./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label55_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_7a4c60bb-b0b5-4f6c-82bb-82232ac24101/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7a4c60bb-b0b5-4f6c-82bb-82232ac24101/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7a4c60bb-b0b5-4f6c-82bb-82232ac24101/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7a4c60bb-b0b5-4f6c-82bb-82232ac24101/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label55_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7a4c60bb-b0b5-4f6c-82bb-82232ac24101/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7a4c60bb-b0b5-4f6c-82bb-82232ac24101/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 f417b30da230c23217314c0e4434de7c96a84d62 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 11:05:53,275 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:05:53,276 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:05:53,285 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:05:53,285 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:05:53,286 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:05:53,286 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:05:53,288 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:05:53,289 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:05:53,290 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:05:53,290 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:05:53,290 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:05:53,291 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:05:53,292 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:05:53,293 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:05:53,293 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:05:53,294 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:05:53,295 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:05:53,297 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:05:53,298 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:05:53,299 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:05:53,300 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:05:53,302 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:05:53,302 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:05:53,302 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:05:53,303 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:05:53,304 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:05:53,304 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:05:53,305 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:05:53,306 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:05:53,306 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:05:53,306 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:05:53,307 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:05:53,307 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:05:53,307 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:05:53,308 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:05:53,308 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7a4c60bb-b0b5-4f6c-82bb-82232ac24101/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 11:05:53,319 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:05:53,320 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:05:53,320 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:05:53,320 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 11:05:53,320 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 11:05:53,321 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 11:05:53,321 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 11:05:53,321 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 11:05:53,321 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 11:05:53,321 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 11:05:53,321 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 11:05:53,321 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 11:05:53,321 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 11:05:53,322 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:05:53,322 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:05:53,322 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:05:53,322 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:05:53,322 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:05:53,322 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:05:53,323 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:05:53,323 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:05:53,323 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:05:53,323 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:05:53,323 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:05:53,323 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:05:53,323 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:05:53,324 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:05:53,324 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:05:53,324 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 11:05:53,324 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 11:05:53,324 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:05:53,324 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:05:53,324 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:05:53,324 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 11:05:53,324 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:05:53,324 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 11:05:53,324 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 11:05:53,324 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_7a4c60bb-b0b5-4f6c-82bb-82232ac24101/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 -> f417b30da230c23217314c0e4434de7c96a84d62 [2018-11-18 11:05:53,348 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:05:53,356 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:05:53,358 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:05:53,359 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:05:53,360 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:05:53,360 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7a4c60bb-b0b5-4f6c-82bb-82232ac24101/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem16_label55_true-unreach-call.c [2018-11-18 11:05:53,400 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7a4c60bb-b0b5-4f6c-82bb-82232ac24101/bin-2019/utaipan/data/e566e5616/60240d89eb2f4915908c4b9c44f1f235/FLAG8da6afb4c [2018-11-18 11:05:53,872 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:05:53,872 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7a4c60bb-b0b5-4f6c-82bb-82232ac24101/sv-benchmarks/c/eca-rers2012/Problem16_label55_true-unreach-call.c [2018-11-18 11:05:53,884 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7a4c60bb-b0b5-4f6c-82bb-82232ac24101/bin-2019/utaipan/data/e566e5616/60240d89eb2f4915908c4b9c44f1f235/FLAG8da6afb4c [2018-11-18 11:05:54,168 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7a4c60bb-b0b5-4f6c-82bb-82232ac24101/bin-2019/utaipan/data/e566e5616/60240d89eb2f4915908c4b9c44f1f235 [2018-11-18 11:05:54,170 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:05:54,171 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:05:54,172 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:05:54,172 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:05:54,176 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:05:54,177 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:05:54" (1/1) ... [2018-11-18 11:05:54,179 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19f35076 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:05:54, skipping insertion in model container [2018-11-18 11:05:54,179 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:05:54" (1/1) ... [2018-11-18 11:05:54,186 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:05:54,245 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:05:54,675 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:05:54,679 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:05:54,885 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:05:54,901 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:05:54,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:05:54 WrapperNode [2018-11-18 11:05:54,902 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:05:54,903 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:05:54,903 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:05:54,903 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:05:54,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:05:54" (1/1) ... [2018-11-18 11:05:55,013 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:05:54" (1/1) ... [2018-11-18 11:05:55,020 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:05:55,021 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:05:55,021 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:05:55,021 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:05:55,028 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:05:54" (1/1) ... [2018-11-18 11:05:55,028 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:05:54" (1/1) ... [2018-11-18 11:05:55,032 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:05:54" (1/1) ... [2018-11-18 11:05:55,033 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:05:54" (1/1) ... [2018-11-18 11:05:55,069 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:05:54" (1/1) ... [2018-11-18 11:05:55,083 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:05:54" (1/1) ... [2018-11-18 11:05:55,094 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:05:54" (1/1) ... [2018-11-18 11:05:55,105 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:05:55,106 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:05:55,106 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:05:55,106 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:05:55,107 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:05:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7a4c60bb-b0b5-4f6c-82bb-82232ac24101/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 11:05:55,153 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 11:05:55,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 11:05:55,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 11:05:55,154 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-18 11:05:55,154 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-18 11:05:55,154 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 11:05:55,154 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 11:05:55,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:05:55,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:05:55,155 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 11:05:55,155 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 11:05:57,075 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:05:57,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:05:57 BoogieIcfgContainer [2018-11-18 11:05:57,076 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:05:57,076 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 11:05:57,076 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 11:05:57,078 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 11:05:57,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:05:54" (1/3) ... [2018-11-18 11:05:57,079 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ddff736 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:05:57, skipping insertion in model container [2018-11-18 11:05:57,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:05:54" (2/3) ... [2018-11-18 11:05:57,080 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ddff736 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:05:57, skipping insertion in model container [2018-11-18 11:05:57,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:05:57" (3/3) ... [2018-11-18 11:05:57,081 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label55_true-unreach-call.c [2018-11-18 11:05:57,087 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 11:05:57,093 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 11:05:57,106 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 11:05:57,138 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 11:05:57,138 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 11:05:57,138 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 11:05:57,138 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:05:57,138 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:05:57,139 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 11:05:57,139 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:05:57,139 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 11:05:57,161 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states. [2018-11-18 11:05:57,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-18 11:05:57,168 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:05:57,169 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:05:57,171 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:05:57,174 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:05:57,174 INFO L82 PathProgramCache]: Analyzing trace with hash 886904748, now seen corresponding path program 1 times [2018-11-18 11:05:57,176 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:05:57,218 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:05:57,218 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:05:57,218 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:05:57,219 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:05:57,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:05:57,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:05:57,414 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:05:57,414 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 11:05:57,415 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:05:57,419 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 11:05:57,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:05:57,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:05:57,433 INFO L87 Difference]: Start difference. First operand 410 states. Second operand 3 states. [2018-11-18 11:05:58,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:05:58,707 INFO L93 Difference]: Finished difference Result 1156 states and 2144 transitions. [2018-11-18 11:05:58,709 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:05:58,710 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2018-11-18 11:05:58,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:05:58,722 INFO L225 Difference]: With dead ends: 1156 [2018-11-18 11:05:58,722 INFO L226 Difference]: Without dead ends: 744 [2018-11-18 11:05:58,728 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:05:58,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2018-11-18 11:05:58,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 744. [2018-11-18 11:05:58,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2018-11-18 11:05:58,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1353 transitions. [2018-11-18 11:05:58,793 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1353 transitions. Word has length 64 [2018-11-18 11:05:58,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:05:58,794 INFO L480 AbstractCegarLoop]: Abstraction has 744 states and 1353 transitions. [2018-11-18 11:05:58,794 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 11:05:58,794 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1353 transitions. [2018-11-18 11:05:58,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-18 11:05:58,804 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:05:58,804 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:05:58,805 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:05:58,805 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:05:58,805 INFO L82 PathProgramCache]: Analyzing trace with hash -350572761, now seen corresponding path program 1 times [2018-11-18 11:05:58,805 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:05:58,806 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:05:58,806 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:05:58,806 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:05:58,806 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:05:58,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:05:58,963 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:05:58,963 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:05:58,963 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 11:05:58,963 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:05:58,965 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 11:05:58,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 11:05:58,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 11:05:58,965 INFO L87 Difference]: Start difference. First operand 744 states and 1353 transitions. Second operand 6 states. [2018-11-18 11:06:01,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:06:01,314 INFO L93 Difference]: Finished difference Result 2184 states and 3997 transitions. [2018-11-18 11:06:01,314 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 11:06:01,314 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 157 [2018-11-18 11:06:01,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:06:01,322 INFO L225 Difference]: With dead ends: 2184 [2018-11-18 11:06:01,323 INFO L226 Difference]: Without dead ends: 1446 [2018-11-18 11:06:01,325 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 11:06:01,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1446 states. [2018-11-18 11:06:01,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1446 to 1425. [2018-11-18 11:06:01,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1425 states. [2018-11-18 11:06:01,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1425 states to 1425 states and 2267 transitions. [2018-11-18 11:06:01,359 INFO L78 Accepts]: Start accepts. Automaton has 1425 states and 2267 transitions. Word has length 157 [2018-11-18 11:06:01,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:06:01,359 INFO L480 AbstractCegarLoop]: Abstraction has 1425 states and 2267 transitions. [2018-11-18 11:06:01,359 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 11:06:01,359 INFO L276 IsEmpty]: Start isEmpty. Operand 1425 states and 2267 transitions. [2018-11-18 11:06:01,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-11-18 11:06:01,365 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:06:01,366 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:06:01,366 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:06:01,366 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:06:01,366 INFO L82 PathProgramCache]: Analyzing trace with hash -10136240, now seen corresponding path program 1 times [2018-11-18 11:06:01,366 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:06:01,367 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:06:01,367 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:06:01,367 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:06:01,368 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:06:01,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:06:01,535 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 114 proven. 88 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 11:06:01,536 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:06:01,536 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:06:01,537 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 269 with the following transitions: [2018-11-18 11:06:01,538 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [591], [593], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [764], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 11:06:01,573 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:06:01,573 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:06:01,876 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 11:06:01,877 INFO L272 AbstractInterpreter]: Visited 116 different actions 116 times. Never merged. Never widened. Performed 1036 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1036 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 24 variables. [2018-11-18 11:06:01,887 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:06:01,887 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 11:06:02,230 INFO L227 lantSequenceWeakener]: Weakened 259 states. On average, predicates are now at 78.11% of their original sizes. [2018-11-18 11:06:02,231 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 11:06:02,267 INFO L415 sIntCurrentIteration]: We unified 267 AI predicates to 267 [2018-11-18 11:06:02,268 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 11:06:02,268 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 11:06:02,269 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-11-18 11:06:02,269 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:06:02,269 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 11:06:02,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 11:06:02,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 11:06:02,270 INFO L87 Difference]: Start difference. First operand 1425 states and 2267 transitions. Second operand 6 states. [2018-11-18 11:06:26,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:06:26,121 INFO L93 Difference]: Finished difference Result 3184 states and 5088 transitions. [2018-11-18 11:06:26,121 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 11:06:26,121 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 268 [2018-11-18 11:06:26,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:06:26,129 INFO L225 Difference]: With dead ends: 3184 [2018-11-18 11:06:26,129 INFO L226 Difference]: Without dead ends: 1765 [2018-11-18 11:06:26,132 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 268 GetRequests, 263 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-18 11:06:26,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1765 states. [2018-11-18 11:06:26,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1765 to 1763. [2018-11-18 11:06:26,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1763 states. [2018-11-18 11:06:26,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1763 states to 1763 states and 2612 transitions. [2018-11-18 11:06:26,170 INFO L78 Accepts]: Start accepts. Automaton has 1763 states and 2612 transitions. Word has length 268 [2018-11-18 11:06:26,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:06:26,170 INFO L480 AbstractCegarLoop]: Abstraction has 1763 states and 2612 transitions. [2018-11-18 11:06:26,170 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 11:06:26,170 INFO L276 IsEmpty]: Start isEmpty. Operand 1763 states and 2612 transitions. [2018-11-18 11:06:26,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2018-11-18 11:06:26,177 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:06:26,177 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:06:26,177 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:06:26,178 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:06:26,178 INFO L82 PathProgramCache]: Analyzing trace with hash 448622162, now seen corresponding path program 1 times [2018-11-18 11:06:26,178 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:06:26,179 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:06:26,179 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:06:26,179 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:06:26,179 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:06:26,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:06:26,415 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 177 proven. 197 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-11-18 11:06:26,415 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:06:26,415 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:06:26,415 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 361 with the following transitions: [2018-11-18 11:06:26,415 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [591], [593], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [760], [761], [764], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 11:06:26,419 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:06:26,419 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:06:26,680 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 11:06:26,681 INFO L272 AbstractInterpreter]: Visited 120 different actions 347 times. Merged at 5 different actions 9 times. Never widened. Performed 3343 root evaluator evaluations with a maximum evaluation depth of 7. Performed 3343 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-18 11:06:26,691 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:06:26,691 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 11:06:27,101 INFO L227 lantSequenceWeakener]: Weakened 357 states. On average, predicates are now at 80.64% of their original sizes. [2018-11-18 11:06:27,102 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 11:06:27,164 INFO L415 sIntCurrentIteration]: We unified 359 AI predicates to 359 [2018-11-18 11:06:27,164 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 11:06:27,165 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 11:06:27,165 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-18 11:06:27,165 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:06:27,165 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 11:06:27,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 11:06:27,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 11:06:27,166 INFO L87 Difference]: Start difference. First operand 1763 states and 2612 transitions. Second operand 10 states. [2018-11-18 11:07:41,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:07:41,357 INFO L93 Difference]: Finished difference Result 5965 states and 9412 transitions. [2018-11-18 11:07:41,357 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-18 11:07:41,357 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 360 [2018-11-18 11:07:41,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:07:41,366 INFO L225 Difference]: With dead ends: 5965 [2018-11-18 11:07:41,366 INFO L226 Difference]: Without dead ends: 4546 [2018-11-18 11:07:41,370 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 369 GetRequests, 351 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-18 11:07:41,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4546 states. [2018-11-18 11:07:41,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4546 to 4522. [2018-11-18 11:07:41,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4522 states. [2018-11-18 11:07:41,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4522 states to 4522 states and 5610 transitions. [2018-11-18 11:07:41,425 INFO L78 Accepts]: Start accepts. Automaton has 4522 states and 5610 transitions. Word has length 360 [2018-11-18 11:07:41,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:07:41,426 INFO L480 AbstractCegarLoop]: Abstraction has 4522 states and 5610 transitions. [2018-11-18 11:07:41,426 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 11:07:41,426 INFO L276 IsEmpty]: Start isEmpty. Operand 4522 states and 5610 transitions. [2018-11-18 11:07:41,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 518 [2018-11-18 11:07:41,433 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:07:41,434 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:07:41,434 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:07:41,434 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:07:41,434 INFO L82 PathProgramCache]: Analyzing trace with hash -1274457897, now seen corresponding path program 1 times [2018-11-18 11:07:41,434 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:07:41,435 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:07:41,435 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:07:41,435 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:07:41,435 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:07:41,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:07:41,670 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 177 proven. 235 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-11-18 11:07:41,670 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:07:41,670 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:07:41,671 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 518 with the following transitions: [2018-11-18 11:07:41,671 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [591], [593], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [800], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 11:07:41,675 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:07:41,675 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:07:41,844 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 11:07:41,844 INFO L272 AbstractInterpreter]: Visited 249 different actions 492 times. Merged at 5 different actions 5 times. Never widened. Performed 5185 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5185 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-18 11:07:41,847 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:07:41,847 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 11:07:42,160 INFO L227 lantSequenceWeakener]: Weakened 514 states. On average, predicates are now at 77.75% of their original sizes. [2018-11-18 11:07:42,160 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 11:07:42,196 INFO L415 sIntCurrentIteration]: We unified 516 AI predicates to 516 [2018-11-18 11:07:42,197 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 11:07:42,197 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 11:07:42,197 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-18 11:07:42,197 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:07:42,197 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 11:07:42,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 11:07:42,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 11:07:42,198 INFO L87 Difference]: Start difference. First operand 4522 states and 5610 transitions. Second operand 10 states. [2018-11-18 11:08:52,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:08:52,728 INFO L93 Difference]: Finished difference Result 9043 states and 11439 transitions. [2018-11-18 11:08:52,728 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 11:08:52,728 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 517 [2018-11-18 11:08:52,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:08:52,739 INFO L225 Difference]: With dead ends: 9043 [2018-11-18 11:08:52,739 INFO L226 Difference]: Without dead ends: 4865 [2018-11-18 11:08:52,747 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 524 GetRequests, 508 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-11-18 11:08:52,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4865 states. [2018-11-18 11:08:52,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4865 to 4862. [2018-11-18 11:08:52,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4862 states. [2018-11-18 11:08:52,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4862 states to 4862 states and 5966 transitions. [2018-11-18 11:08:52,826 INFO L78 Accepts]: Start accepts. Automaton has 4862 states and 5966 transitions. Word has length 517 [2018-11-18 11:08:52,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:08:52,826 INFO L480 AbstractCegarLoop]: Abstraction has 4862 states and 5966 transitions. [2018-11-18 11:08:52,826 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 11:08:52,826 INFO L276 IsEmpty]: Start isEmpty. Operand 4862 states and 5966 transitions. [2018-11-18 11:08:52,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 610 [2018-11-18 11:08:52,844 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:08:52,844 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:08:52,844 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:08:52,844 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:08:52,845 INFO L82 PathProgramCache]: Analyzing trace with hash 1945286165, now seen corresponding path program 1 times [2018-11-18 11:08:52,845 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:08:52,845 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:08:52,845 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:08:52,845 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:08:52,846 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:08:52,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:08:53,679 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 328 proven. 209 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2018-11-18 11:08:53,680 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:08:53,680 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:08:53,680 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 610 with the following transitions: [2018-11-18 11:08:53,680 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [591], [593], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [760], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [800], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 11:08:53,684 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:08:53,684 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:08:54,025 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 11:08:54,025 INFO L272 AbstractInterpreter]: Visited 251 different actions 992 times. Merged at 7 different actions 24 times. Never widened. Performed 11752 root evaluator evaluations with a maximum evaluation depth of 17. Performed 11752 inverse root evaluator evaluations with a maximum inverse evaluation depth of 17. Found 5 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-18 11:08:54,026 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:08:54,027 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 11:08:54,027 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:08:54,027 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7a4c60bb-b0b5-4f6c-82bb-82232ac24101/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 11:08:54,033 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:08:54,033 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 11:08:54,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:08:54,161 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:08:54,361 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 599 proven. 2 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2018-11-18 11:08:54,362 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 11:08:54,630 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 328 proven. 209 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2018-11-18 11:08:54,646 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 11:08:54,646 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 5, 5] total 19 [2018-11-18 11:08:54,646 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 11:08:54,647 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-18 11:08:54,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-18 11:08:54,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-11-18 11:08:54,648 INFO L87 Difference]: Start difference. First operand 4862 states and 5966 transitions. Second operand 16 states. [2018-11-18 11:09:01,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:09:01,259 INFO L93 Difference]: Finished difference Result 12228 states and 15408 transitions. [2018-11-18 11:09:01,260 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2018-11-18 11:09:01,260 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 609 [2018-11-18 11:09:01,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:09:01,269 INFO L225 Difference]: With dead ends: 12228 [2018-11-18 11:09:01,270 INFO L226 Difference]: Without dead ends: 5554 [2018-11-18 11:09:01,292 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1321 GetRequests, 1255 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1400 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=955, Invalid=3601, Unknown=0, NotChecked=0, Total=4556 [2018-11-18 11:09:01,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5554 states. [2018-11-18 11:09:01,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5554 to 5296. [2018-11-18 11:09:01,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5296 states. [2018-11-18 11:09:01,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5296 states to 5296 states and 5888 transitions. [2018-11-18 11:09:01,375 INFO L78 Accepts]: Start accepts. Automaton has 5296 states and 5888 transitions. Word has length 609 [2018-11-18 11:09:01,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:09:01,375 INFO L480 AbstractCegarLoop]: Abstraction has 5296 states and 5888 transitions. [2018-11-18 11:09:01,375 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-18 11:09:01,375 INFO L276 IsEmpty]: Start isEmpty. Operand 5296 states and 5888 transitions. [2018-11-18 11:09:01,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 743 [2018-11-18 11:09:01,385 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:09:01,386 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:09:01,386 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:09:01,386 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:09:01,386 INFO L82 PathProgramCache]: Analyzing trace with hash 69901598, now seen corresponding path program 1 times [2018-11-18 11:09:01,387 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:09:01,387 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:09:01,387 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:09:01,387 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:09:01,387 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:09:01,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:09:01,777 INFO L134 CoverageAnalysis]: Checked inductivity of 1333 backedges. 307 proven. 679 refuted. 0 times theorem prover too weak. 347 trivial. 0 not checked. [2018-11-18 11:09:01,778 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:09:01,778 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:09:01,778 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 743 with the following transitions: [2018-11-18 11:09:01,778 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [591], [593], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [796], [797], [800], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 11:09:01,781 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:09:01,782 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:09:02,045 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 11:09:02,045 INFO L272 AbstractInterpreter]: Visited 259 different actions 769 times. Merged at 7 different actions 14 times. Never widened. Performed 8980 root evaluator evaluations with a maximum evaluation depth of 10. Performed 8980 inverse root evaluator evaluations with a maximum inverse evaluation depth of 10. Found 3 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-18 11:09:02,051 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:09:02,051 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 11:09:02,399 INFO L227 lantSequenceWeakener]: Weakened 739 states. On average, predicates are now at 80.37% of their original sizes. [2018-11-18 11:09:02,399 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 11:09:02,436 INFO L415 sIntCurrentIteration]: We unified 741 AI predicates to 741 [2018-11-18 11:09:02,436 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 11:09:02,437 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 11:09:02,437 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 13 [2018-11-18 11:09:02,437 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:09:02,437 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 11:09:02,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 11:09:02,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 11:09:02,438 INFO L87 Difference]: Start difference. First operand 5296 states and 5888 transitions. Second operand 9 states. [2018-11-18 11:10:27,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:10:27,370 INFO L93 Difference]: Finished difference Result 11117 states and 12465 transitions. [2018-11-18 11:10:27,371 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-18 11:10:27,371 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 742 [2018-11-18 11:10:27,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:10:27,384 INFO L225 Difference]: With dead ends: 11117 [2018-11-18 11:10:27,384 INFO L226 Difference]: Without dead ends: 6505 [2018-11-18 11:10:27,388 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 748 GetRequests, 734 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-11-18 11:10:27,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6505 states. [2018-11-18 11:10:27,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6505 to 6480. [2018-11-18 11:10:27,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6480 states. [2018-11-18 11:10:27,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6480 states to 6480 states and 7089 transitions. [2018-11-18 11:10:27,483 INFO L78 Accepts]: Start accepts. Automaton has 6480 states and 7089 transitions. Word has length 742 [2018-11-18 11:10:27,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:10:27,484 INFO L480 AbstractCegarLoop]: Abstraction has 6480 states and 7089 transitions. [2018-11-18 11:10:27,484 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 11:10:27,484 INFO L276 IsEmpty]: Start isEmpty. Operand 6480 states and 7089 transitions. [2018-11-18 11:10:27,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 757 [2018-11-18 11:10:27,495 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:10:27,496 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:10:27,496 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:10:27,496 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:10:27,496 INFO L82 PathProgramCache]: Analyzing trace with hash 590265882, now seen corresponding path program 1 times [2018-11-18 11:10:27,496 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:10:27,497 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:10:27,497 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:10:27,497 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:10:27,497 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:10:27,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:28,328 INFO L134 CoverageAnalysis]: Checked inductivity of 1347 backedges. 539 proven. 497 refuted. 0 times theorem prover too weak. 311 trivial. 0 not checked. [2018-11-18 11:10:28,328 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:10:28,328 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:10:28,328 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 757 with the following transitions: [2018-11-18 11:10:28,328 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [591], [593], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [796], [797], [800], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 11:10:28,330 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:10:28,330 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:10:28,717 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 11:10:28,717 INFO L272 AbstractInterpreter]: Visited 260 different actions 1034 times. Merged at 8 different actions 30 times. Never widened. Performed 12338 root evaluator evaluations with a maximum evaluation depth of 18. Performed 12338 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 6 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-18 11:10:28,723 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:10:28,723 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 11:10:28,723 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:10:28,723 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7a4c60bb-b0b5-4f6c-82bb-82232ac24101/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 11:10:28,730 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:10:28,730 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 11:10:28,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:28,833 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:10:29,021 INFO L134 CoverageAnalysis]: Checked inductivity of 1347 backedges. 961 proven. 2 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2018-11-18 11:10:29,021 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 11:10:29,274 INFO L134 CoverageAnalysis]: Checked inductivity of 1347 backedges. 627 proven. 101 refuted. 0 times theorem prover too weak. 619 trivial. 0 not checked. [2018-11-18 11:10:29,290 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 11:10:29,290 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 17 [2018-11-18 11:10:29,290 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 11:10:29,291 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-18 11:10:29,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-18 11:10:29,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2018-11-18 11:10:29,291 INFO L87 Difference]: Start difference. First operand 6480 states and 7089 transitions. Second operand 15 states. [2018-11-18 11:10:34,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:10:34,386 INFO L93 Difference]: Finished difference Result 15313 states and 17071 transitions. [2018-11-18 11:10:34,386 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-11-18 11:10:34,387 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 756 [2018-11-18 11:10:34,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:10:34,405 INFO L225 Difference]: With dead ends: 15313 [2018-11-18 11:10:34,405 INFO L226 Difference]: Without dead ends: 9517 [2018-11-18 11:10:34,413 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1597 GetRequests, 1541 SyntacticMatches, 2 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 918 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=631, Invalid=2449, Unknown=0, NotChecked=0, Total=3080 [2018-11-18 11:10:34,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9517 states. [2018-11-18 11:10:34,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9517 to 8397. [2018-11-18 11:10:34,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8397 states. [2018-11-18 11:10:34,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8397 states to 8397 states and 9118 transitions. [2018-11-18 11:10:34,500 INFO L78 Accepts]: Start accepts. Automaton has 8397 states and 9118 transitions. Word has length 756 [2018-11-18 11:10:34,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:10:34,501 INFO L480 AbstractCegarLoop]: Abstraction has 8397 states and 9118 transitions. [2018-11-18 11:10:34,501 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-18 11:10:34,501 INFO L276 IsEmpty]: Start isEmpty. Operand 8397 states and 9118 transitions. [2018-11-18 11:10:34,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 892 [2018-11-18 11:10:34,510 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:10:34,511 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:10:34,511 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:10:34,511 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:10:34,511 INFO L82 PathProgramCache]: Analyzing trace with hash -1534550673, now seen corresponding path program 1 times [2018-11-18 11:10:34,511 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:10:34,512 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:10:34,512 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:10:34,512 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:10:34,512 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:10:34,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:34,891 INFO L134 CoverageAnalysis]: Checked inductivity of 1506 backedges. 538 proven. 209 refuted. 0 times theorem prover too weak. 759 trivial. 0 not checked. [2018-11-18 11:10:34,891 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:10:34,891 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:10:34,891 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 892 with the following transitions: [2018-11-18 11:10:34,892 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [591], [593], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [800], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1385], [1389], [1392], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 11:10:34,894 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:10:34,895 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:10:35,133 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 11:10:35,134 INFO L272 AbstractInterpreter]: Visited 261 different actions 770 times. Merged at 5 different actions 9 times. Never widened. Performed 8949 root evaluator evaluations with a maximum evaluation depth of 9. Performed 8949 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-18 11:10:35,139 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:10:35,139 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 11:10:35,562 INFO L227 lantSequenceWeakener]: Weakened 888 states. On average, predicates are now at 80.28% of their original sizes. [2018-11-18 11:10:35,562 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 11:10:35,601 INFO L415 sIntCurrentIteration]: We unified 890 AI predicates to 890 [2018-11-18 11:10:35,601 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 11:10:35,601 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 11:10:35,602 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 13 [2018-11-18 11:10:35,602 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:10:35,602 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 11:10:35,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 11:10:35,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 11:10:35,603 INFO L87 Difference]: Start difference. First operand 8397 states and 9118 transitions. Second operand 9 states. [2018-11-18 11:10:50,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:10:50,095 INFO L93 Difference]: Finished difference Result 16077 states and 17510 transitions. [2018-11-18 11:10:50,095 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-18 11:10:50,095 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 891 [2018-11-18 11:10:50,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:10:50,109 INFO L225 Difference]: With dead ends: 16077 [2018-11-18 11:10:50,110 INFO L226 Difference]: Without dead ends: 8409 [2018-11-18 11:10:50,116 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 897 GetRequests, 883 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-11-18 11:10:50,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8409 states. [2018-11-18 11:10:50,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8409 to 8397. [2018-11-18 11:10:50,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8397 states. [2018-11-18 11:10:50,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8397 states to 8397 states and 9111 transitions. [2018-11-18 11:10:50,209 INFO L78 Accepts]: Start accepts. Automaton has 8397 states and 9111 transitions. Word has length 891 [2018-11-18 11:10:50,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:10:50,210 INFO L480 AbstractCegarLoop]: Abstraction has 8397 states and 9111 transitions. [2018-11-18 11:10:50,210 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 11:10:50,210 INFO L276 IsEmpty]: Start isEmpty. Operand 8397 states and 9111 transitions. [2018-11-18 11:10:50,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 988 [2018-11-18 11:10:50,225 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:10:50,225 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 11:10:50,225 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:10:50,225 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:10:50,226 INFO L82 PathProgramCache]: Analyzing trace with hash -280392715, now seen corresponding path program 1 times [2018-11-18 11:10:50,226 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:10:50,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:10:50,226 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:10:50,227 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:10:50,227 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:10:50,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:50,815 INFO L134 CoverageAnalysis]: Checked inductivity of 2128 backedges. 724 proven. 209 refuted. 0 times theorem prover too weak. 1195 trivial. 0 not checked. [2018-11-18 11:10:50,815 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:10:50,815 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:10:50,815 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 988 with the following transitions: [2018-11-18 11:10:50,815 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [591], [593], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [800], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 11:10:50,818 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:10:50,818 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:10:51,270 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 11:10:51,270 INFO L272 AbstractInterpreter]: Visited 253 different actions 1010 times. Merged at 11 different actions 33 times. Never widened. Performed 11813 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11813 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 11 fixpoints after 5 different actions. Largest state had 24 variables. [2018-11-18 11:10:51,271 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:10:51,271 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 11:10:51,271 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:10:51,271 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7a4c60bb-b0b5-4f6c-82bb-82232ac24101/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 11:10:51,277 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:10:51,277 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 11:10:51,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:51,412 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:10:51,815 INFO L134 CoverageAnalysis]: Checked inductivity of 2128 backedges. 1430 proven. 2 refuted. 0 times theorem prover too weak. 696 trivial. 0 not checked. [2018-11-18 11:10:51,815 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 11:10:52,139 INFO L134 CoverageAnalysis]: Checked inductivity of 2128 backedges. 724 proven. 209 refuted. 0 times theorem prover too weak. 1195 trivial. 0 not checked. [2018-11-18 11:10:52,154 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 11:10:52,155 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-18 11:10:52,155 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 11:10:52,155 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 11:10:52,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 11:10:52,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-11-18 11:10:52,156 INFO L87 Difference]: Start difference. First operand 8397 states and 9111 transitions. Second operand 9 states. [2018-11-18 11:10:54,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:10:54,200 INFO L93 Difference]: Finished difference Result 22644 states and 26685 transitions. [2018-11-18 11:10:54,200 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-18 11:10:54,200 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 987 [2018-11-18 11:10:54,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:10:54,248 INFO L225 Difference]: With dead ends: 22644 [2018-11-18 11:10:54,248 INFO L226 Difference]: Without dead ends: 14976 [2018-11-18 11:10:54,275 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1995 GetRequests, 1977 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2018-11-18 11:10:54,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14976 states. [2018-11-18 11:10:54,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14976 to 14627. [2018-11-18 11:10:54,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14627 states. [2018-11-18 11:10:54,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14627 states to 14627 states and 16546 transitions. [2018-11-18 11:10:54,496 INFO L78 Accepts]: Start accepts. Automaton has 14627 states and 16546 transitions. Word has length 987 [2018-11-18 11:10:54,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:10:54,497 INFO L480 AbstractCegarLoop]: Abstraction has 14627 states and 16546 transitions. [2018-11-18 11:10:54,497 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 11:10:54,497 INFO L276 IsEmpty]: Start isEmpty. Operand 14627 states and 16546 transitions. [2018-11-18 11:10:54,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1406 [2018-11-18 11:10:54,531 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:10:54,532 INFO L375 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:10:54,532 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:10:54,532 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:10:54,532 INFO L82 PathProgramCache]: Analyzing trace with hash -1975952081, now seen corresponding path program 1 times [2018-11-18 11:10:54,533 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:10:54,533 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:10:54,533 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:10:54,533 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:10:54,534 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:10:54,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:55,526 INFO L134 CoverageAnalysis]: Checked inductivity of 3563 backedges. 1005 proven. 250 refuted. 0 times theorem prover too weak. 2308 trivial. 0 not checked. [2018-11-18 11:10:55,526 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:10:55,526 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:10:55,526 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1406 with the following transitions: [2018-11-18 11:10:55,527 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [179], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [311], [313], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [591], [593], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1533], [1537], [1541], [1545], [1549], [1551], [1552], [1556], [1560], [1566], [1570], [1572], [1577], [1578], [1579], [1580], [1581], [1583], [1584] [2018-11-18 11:10:55,529 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:10:55,529 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:10:56,146 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 11:10:56,146 INFO L272 AbstractInterpreter]: Visited 312 different actions 1238 times. Merged at 11 different actions 36 times. Widened at 1 different actions 1 times. Performed 14921 root evaluator evaluations with a maximum evaluation depth of 18. Performed 14921 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 14 fixpoints after 6 different actions. Largest state had 24 variables. [2018-11-18 11:10:56,147 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:10:56,148 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 11:10:56,148 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:10:56,148 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7a4c60bb-b0b5-4f6c-82bb-82232ac24101/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 11:10:56,154 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:10:56,154 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 11:10:56,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:56,312 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:10:56,834 INFO L134 CoverageAnalysis]: Checked inductivity of 3563 backedges. 1828 proven. 0 refuted. 0 times theorem prover too weak. 1735 trivial. 0 not checked. [2018-11-18 11:10:56,834 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 11:10:57,381 INFO L134 CoverageAnalysis]: Checked inductivity of 3563 backedges. 869 proven. 88 refuted. 0 times theorem prover too weak. 2606 trivial. 0 not checked. [2018-11-18 11:10:57,397 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-18 11:10:57,398 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 3] total 8 [2018-11-18 11:10:57,398 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:10:57,398 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 11:10:57,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:10:57,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-11-18 11:10:57,399 INFO L87 Difference]: Start difference. First operand 14627 states and 16546 transitions. Second operand 3 states. [2018-11-18 11:10:58,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:10:58,087 INFO L93 Difference]: Finished difference Result 30902 states and 35880 transitions. [2018-11-18 11:10:58,088 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:10:58,088 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1405 [2018-11-18 11:10:58,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:10:58,125 INFO L225 Difference]: With dead ends: 30902 [2018-11-18 11:10:58,125 INFO L226 Difference]: Without dead ends: 14298 [2018-11-18 11:10:58,158 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2819 GetRequests, 2810 SyntacticMatches, 3 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-11-18 11:10:58,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14298 states. [2018-11-18 11:10:58,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14298 to 14230. [2018-11-18 11:10:58,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14230 states. [2018-11-18 11:10:58,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14230 states to 14230 states and 15811 transitions. [2018-11-18 11:10:58,350 INFO L78 Accepts]: Start accepts. Automaton has 14230 states and 15811 transitions. Word has length 1405 [2018-11-18 11:10:58,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:10:58,351 INFO L480 AbstractCegarLoop]: Abstraction has 14230 states and 15811 transitions. [2018-11-18 11:10:58,351 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 11:10:58,351 INFO L276 IsEmpty]: Start isEmpty. Operand 14230 states and 15811 transitions. [2018-11-18 11:10:58,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1405 [2018-11-18 11:10:58,370 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:10:58,371 INFO L375 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:10:58,371 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:10:58,371 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:10:58,371 INFO L82 PathProgramCache]: Analyzing trace with hash -1396306702, now seen corresponding path program 1 times [2018-11-18 11:10:58,371 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:10:58,372 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:10:58,372 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:10:58,372 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:10:58,372 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:10:58,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:10:59,188 INFO L134 CoverageAnalysis]: Checked inductivity of 3563 backedges. 1005 proven. 250 refuted. 0 times theorem prover too weak. 2308 trivial. 0 not checked. [2018-11-18 11:10:59,188 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:10:59,188 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:10:59,188 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1405 with the following transitions: [2018-11-18 11:10:59,189 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [179], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [591], [593], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1533], [1537], [1541], [1545], [1549], [1551], [1552], [1556], [1560], [1566], [1570], [1572], [1577], [1578], [1579], [1580], [1581], [1583], [1584] [2018-11-18 11:10:59,191 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:10:59,192 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:10:59,880 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 11:10:59,880 INFO L272 AbstractInterpreter]: Visited 310 different actions 1232 times. Merged at 11 different actions 36 times. Widened at 1 different actions 1 times. Performed 14900 root evaluator evaluations with a maximum evaluation depth of 18. Performed 14900 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 12 fixpoints after 5 different actions. Largest state had 24 variables. [2018-11-18 11:10:59,883 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:10:59,883 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 11:10:59,883 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:10:59,883 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7a4c60bb-b0b5-4f6c-82bb-82232ac24101/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 11:10:59,889 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:10:59,889 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 11:11:00,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:00,047 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:11:00,595 INFO L134 CoverageAnalysis]: Checked inductivity of 3563 backedges. 2337 proven. 2 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2018-11-18 11:11:00,595 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 11:11:01,222 INFO L134 CoverageAnalysis]: Checked inductivity of 3563 backedges. 1005 proven. 250 refuted. 0 times theorem prover too weak. 2308 trivial. 0 not checked. [2018-11-18 11:11:01,238 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 11:11:01,238 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 11 [2018-11-18 11:11:01,238 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 11:11:01,239 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 11:11:01,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 11:11:01,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-11-18 11:11:01,239 INFO L87 Difference]: Start difference. First operand 14230 states and 15811 transitions. Second operand 10 states. [2018-11-18 11:11:03,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:11:03,293 INFO L93 Difference]: Finished difference Result 29208 states and 32926 transitions. [2018-11-18 11:11:03,294 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 11:11:03,294 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 1404 [2018-11-18 11:11:03,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:11:03,321 INFO L225 Difference]: With dead ends: 29208 [2018-11-18 11:11:03,321 INFO L226 Difference]: Without dead ends: 15707 [2018-11-18 11:11:03,346 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2839 GetRequests, 2815 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=139, Invalid=323, Unknown=0, NotChecked=0, Total=462 [2018-11-18 11:11:03,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15707 states. [2018-11-18 11:11:03,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15707 to 15698. [2018-11-18 11:11:03,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15698 states. [2018-11-18 11:11:03,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15698 states to 15698 states and 17409 transitions. [2018-11-18 11:11:03,515 INFO L78 Accepts]: Start accepts. Automaton has 15698 states and 17409 transitions. Word has length 1404 [2018-11-18 11:11:03,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:11:03,516 INFO L480 AbstractCegarLoop]: Abstraction has 15698 states and 17409 transitions. [2018-11-18 11:11:03,516 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 11:11:03,516 INFO L276 IsEmpty]: Start isEmpty. Operand 15698 states and 17409 transitions. [2018-11-18 11:11:03,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1424 [2018-11-18 11:11:03,535 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:11:03,535 INFO L375 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:11:03,536 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:11:03,536 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:11:03,536 INFO L82 PathProgramCache]: Analyzing trace with hash -1366939855, now seen corresponding path program 1 times [2018-11-18 11:11:03,536 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:11:03,537 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:11:03,537 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:11:03,537 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:11:03,537 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:11:03,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:04,196 INFO L134 CoverageAnalysis]: Checked inductivity of 3957 backedges. 477 proven. 0 refuted. 0 times theorem prover too weak. 3480 trivial. 0 not checked. [2018-11-18 11:11:04,196 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:11:04,196 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 11:11:04,196 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:11:04,197 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 11:11:04,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 11:11:04,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 11:11:04,198 INFO L87 Difference]: Start difference. First operand 15698 states and 17409 transitions. Second operand 4 states. [2018-11-18 11:11:05,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:11:05,290 INFO L93 Difference]: Finished difference Result 30884 states and 34154 transitions. [2018-11-18 11:11:05,290 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 11:11:05,290 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1423 [2018-11-18 11:11:05,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:11:05,292 INFO L225 Difference]: With dead ends: 30884 [2018-11-18 11:11:05,292 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 11:11:05,341 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 11:11:05,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 11:11:05,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 11:11:05,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 11:11:05,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 11:11:05,342 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1423 [2018-11-18 11:11:05,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:11:05,343 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 11:11:05,343 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 11:11:05,343 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 11:11:05,343 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 11:11:05,347 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 11:11:05,365 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:11:05,376 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:11:05,380 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:11:05,397 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:11:05,410 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:11:05,415 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:11:05,511 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:11:05,536 WARN L180 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 187 [2018-11-18 11:11:06,474 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:11:06,490 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:11:06,590 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 216 [2018-11-18 11:11:06,863 WARN L180 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 31 [2018-11-18 11:11:07,281 WARN L180 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 77 [2018-11-18 11:11:07,799 WARN L180 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 76 [2018-11-18 11:11:08,858 WARN L180 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 278 DAG size of output: 94 [2018-11-18 11:11:09,151 WARN L180 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 31 [2018-11-18 11:11:09,157 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 11:11:09,157 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a16~0)| ~a16~0) (= ~a15~0 |old(~a15~0)|) (= |old(~a12~0)| ~a12~0)) [2018-11-18 11:11:09,157 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 11:11:09,157 INFO L425 ceAbstractionStarter]: For program point L1497(lines 1497 1763) no Hoare annotation was computed. [2018-11-18 11:11:09,157 INFO L425 ceAbstractionStarter]: For program point calculate_output2EXIT(lines 1494 1765) no Hoare annotation was computed. [2018-11-18 11:11:09,157 INFO L425 ceAbstractionStarter]: For program point L1687(lines 1687 1763) no Hoare annotation was computed. [2018-11-18 11:11:09,158 INFO L425 ceAbstractionStarter]: For program point L1704(lines 1704 1763) no Hoare annotation was computed. [2018-11-18 11:11:09,158 INFO L425 ceAbstractionStarter]: For program point L1638(lines 1638 1763) no Hoare annotation was computed. [2018-11-18 11:11:09,158 INFO L425 ceAbstractionStarter]: For program point L1663(lines 1663 1763) no Hoare annotation was computed. [2018-11-18 11:11:09,158 INFO L425 ceAbstractionStarter]: For program point L1597(lines 1597 1763) no Hoare annotation was computed. [2018-11-18 11:11:09,158 INFO L425 ceAbstractionStarter]: For program point L1721(lines 1721 1763) no Hoare annotation was computed. [2018-11-18 11:11:09,158 INFO L425 ceAbstractionStarter]: For program point L1622(lines 1622 1763) no Hoare annotation was computed. [2018-11-18 11:11:09,158 INFO L425 ceAbstractionStarter]: For program point L1746(lines 1746 1763) no Hoare annotation was computed. [2018-11-18 11:11:09,158 INFO L425 ceAbstractionStarter]: For program point L1515(lines 1515 1763) no Hoare annotation was computed. [2018-11-18 11:11:09,158 INFO L425 ceAbstractionStarter]: For program point L1573(lines 1573 1763) no Hoare annotation was computed. [2018-11-18 11:11:09,158 INFO L425 ceAbstractionStarter]: For program point L1540(lines 1540 1763) no Hoare annotation was computed. [2018-11-18 11:11:09,158 INFO L425 ceAbstractionStarter]: For program point L1656(lines 1656 1763) no Hoare annotation was computed. [2018-11-18 11:11:09,158 INFO L425 ceAbstractionStarter]: For program point L1739(lines 1739 1763) no Hoare annotation was computed. [2018-11-18 11:11:09,158 INFO L425 ceAbstractionStarter]: For program point L1566(lines 1566 1763) no Hoare annotation was computed. [2018-11-18 11:11:09,158 INFO L425 ceAbstractionStarter]: For program point L1591(lines 1591 1763) no Hoare annotation was computed. [2018-11-18 11:11:09,158 INFO L425 ceAbstractionStarter]: For program point L1715(lines 1715 1763) no Hoare annotation was computed. [2018-11-18 11:11:09,158 INFO L425 ceAbstractionStarter]: For program point L1682(lines 1682 1763) no Hoare annotation was computed. [2018-11-18 11:11:09,158 INFO L425 ceAbstractionStarter]: For program point L1616(lines 1616 1763) no Hoare annotation was computed. [2018-11-18 11:11:09,158 INFO L425 ceAbstractionStarter]: For program point L1699(lines 1699 1763) no Hoare annotation was computed. [2018-11-18 11:11:09,158 INFO L425 ceAbstractionStarter]: For program point L1633(lines 1633 1763) no Hoare annotation was computed. [2018-11-18 11:11:09,158 INFO L425 ceAbstractionStarter]: For program point L1534(lines 1534 1763) no Hoare annotation was computed. [2018-11-18 11:11:09,158 INFO L425 ceAbstractionStarter]: For program point L1757(lines 1757 1763) no Hoare annotation was computed. [2018-11-18 11:11:09,158 INFO L425 ceAbstractionStarter]: For program point L1559(lines 1559 1763) no Hoare annotation was computed. [2018-11-18 11:11:09,158 INFO L425 ceAbstractionStarter]: For program point L1675(lines 1675 1763) no Hoare annotation was computed. [2018-11-18 11:11:09,158 INFO L425 ceAbstractionStarter]: For program point L1609(lines 1609 1763) no Hoare annotation was computed. [2018-11-18 11:11:09,158 INFO L425 ceAbstractionStarter]: For program point L1510(lines 1510 1763) no Hoare annotation was computed. [2018-11-18 11:11:09,158 INFO L425 ceAbstractionStarter]: For program point L1733(lines 1733 1763) no Hoare annotation was computed. [2018-11-18 11:11:09,159 INFO L421 ceAbstractionStarter]: At program point calculate_output2ENTRY(lines 1494 1765) the Hoare annotation is: (let ((.cse4 (not (= 3 |old(~a15~0)|))) (.cse5 (not (= (+ |old(~a18~0)| 87) 0))) (.cse6 (not (= 11 |old(~a16~0)|)))) (let ((.cse0 (= (+ ~a18~0 87) 0)) (.cse3 (< 134 ~a18~0)) (.cse1 (let ((.cse8 (not (= 5 |old(~a12~0)|)))) (and (or (not (= 8 |old(~a16~0)|)) .cse4 .cse8) (or .cse4 .cse8 .cse5 .cse6)))) (.cse2 (<= (+ ~a18~0 156) 0)) (.cse7 (and (= |old(~a16~0)| ~a16~0) (= ~a15~0 |old(~a15~0)|) (= |old(~a12~0)| ~a12~0)))) (and (or (or (= ~a16~0 8) .cse0) .cse1) (or .cse1 (< 0 (+ |old(~a18~0)| 156)) (or .cse2 .cse3)) (or (or .cse4 .cse5 (not (= 6 |old(~a12~0)|))) .cse0 .cse6) (or .cse1 (<= |old(~a18~0)| 134) .cse3) (or (< 3 |old(~a15~0)|) (not (= 8 |old(~a12~0)|)) .cse7) (or .cse7 (< 7 |old(~a12~0)|)) (or .cse1 (<= (+ |old(~a18~0)| 79) 0) (or .cse2 (< 0 (+ ~a18~0 79)))) (or (= 10 |old(~a16~0)|) .cse7)))) [2018-11-18 11:11:09,159 INFO L425 ceAbstractionStarter]: For program point L1527(lines 1527 1763) no Hoare annotation was computed. [2018-11-18 11:11:09,159 INFO L425 ceAbstractionStarter]: For program point L1651(lines 1651 1763) no Hoare annotation was computed. [2018-11-18 11:11:09,159 INFO L425 ceAbstractionStarter]: For program point L1585(lines 1585 1763) no Hoare annotation was computed. [2018-11-18 11:11:09,159 INFO L425 ceAbstractionStarter]: For program point L1709(lines 1709 1763) no Hoare annotation was computed. [2018-11-18 11:11:09,159 INFO L425 ceAbstractionStarter]: For program point L1503(lines 1503 1763) no Hoare annotation was computed. [2018-11-18 11:11:09,159 INFO L425 ceAbstractionStarter]: For program point L1693(lines 1693 1763) no Hoare annotation was computed. [2018-11-18 11:11:09,159 INFO L425 ceAbstractionStarter]: For program point L1553(lines 1553 1763) no Hoare annotation was computed. [2018-11-18 11:11:09,159 INFO L425 ceAbstractionStarter]: For program point calculate_output2FINAL(lines 1494 1765) no Hoare annotation was computed. [2018-11-18 11:11:09,159 INFO L425 ceAbstractionStarter]: For program point L1669(lines 1669 1763) no Hoare annotation was computed. [2018-11-18 11:11:09,159 INFO L425 ceAbstractionStarter]: For program point L1603(lines 1603 1763) no Hoare annotation was computed. [2018-11-18 11:11:09,159 INFO L425 ceAbstractionStarter]: For program point L1727(lines 1727 1763) no Hoare annotation was computed. [2018-11-18 11:11:09,159 INFO L425 ceAbstractionStarter]: For program point L1628(lines 1628 1763) no Hoare annotation was computed. [2018-11-18 11:11:09,159 INFO L425 ceAbstractionStarter]: For program point L1752(lines 1752 1763) no Hoare annotation was computed. [2018-11-18 11:11:09,159 INFO L425 ceAbstractionStarter]: For program point L1521(lines 1521 1763) no Hoare annotation was computed. [2018-11-18 11:11:09,159 INFO L425 ceAbstractionStarter]: For program point L1645(lines 1645 1763) no Hoare annotation was computed. [2018-11-18 11:11:09,159 INFO L425 ceAbstractionStarter]: For program point L1579(lines 1579 1763) no Hoare annotation was computed. [2018-11-18 11:11:09,159 INFO L425 ceAbstractionStarter]: For program point L1546(lines 1546 1763) no Hoare annotation was computed. [2018-11-18 11:11:09,159 INFO L425 ceAbstractionStarter]: For program point L894(lines 894 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,159 INFO L425 ceAbstractionStarter]: For program point L828(lines 828 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,159 INFO L425 ceAbstractionStarter]: For program point L696(lines 696 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,159 INFO L425 ceAbstractionStarter]: For program point L1291(lines 1291 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,159 INFO L425 ceAbstractionStarter]: For program point L168-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:11:09,160 INFO L425 ceAbstractionStarter]: For program point L102-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:11:09,160 INFO L425 ceAbstractionStarter]: For program point L36-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:11:09,160 INFO L425 ceAbstractionStarter]: For program point L961(lines 961 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,160 INFO L425 ceAbstractionStarter]: For program point L763(lines 763 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,160 INFO L425 ceAbstractionStarter]: For program point L631(lines 631 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,160 INFO L425 ceAbstractionStarter]: For program point L367(lines 367 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,160 INFO L425 ceAbstractionStarter]: For program point L1358(lines 1358 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,160 INFO L425 ceAbstractionStarter]: For program point L235(lines 235 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,160 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-18 11:11:09,160 INFO L425 ceAbstractionStarter]: For program point L1160(lines 1160 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,160 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-18 11:11:09,160 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-18 11:11:09,160 INFO L421 ceAbstractionStarter]: At program point L1491(line 1491) the Hoare annotation is: (let ((.cse5 (not (= 3 |old(~a15~0)|))) (.cse10 (not (= 5 |old(~a12~0)|))) (.cse7 (not (= (+ |old(~a18~0)| 87) 0))) (.cse6 (not (= 11 |old(~a16~0)|)))) (let ((.cse2 (< 0 (+ ~a18~0 79))) (.cse4 (and (= |old(~a16~0)| ~a16~0) (= ~a15~0 |old(~a15~0)|) (= |old(~a12~0)| ~a12~0))) (.cse0 (and (or (not (= 8 |old(~a16~0)|)) .cse5 .cse10) (or .cse5 .cse10 .cse7 .cse6))) (.cse1 (<= (+ ~a18~0 156) 0)) (.cse9 (< 134 ~a18~0)) (.cse11 (not (= calculate_output_~input 0))) (.cse8 (= (+ ~a18~0 87) 0)) (.cse3 (= |calculate_output_#in~input| 0))) (and (or .cse0 (or .cse1 .cse2) (<= (+ |old(~a18~0)| 79) 0) .cse3) (or (not (= 11 ~a16~0)) (not (= calculate_output_~input 3)) (not (= 7 |old(~a12~0)|)) (not (= ~a15~0 3)) .cse2) (or (< 3 |old(~a15~0)|) (not (= 8 |old(~a12~0)|)) .cse4) (or .cse4 (< 7 |old(~a12~0)|)) (or .cse4 (= 10 |old(~a16~0)|)) (or .cse3 (or .cse5 (not (= 6 |old(~a12~0)|)) .cse6) .cse7 .cse8) (or .cse9 .cse0 (<= |old(~a18~0)| 134) .cse3) (or .cse0 (< 0 (+ |old(~a18~0)| 156)) (or .cse1 .cse9) .cse3) (or .cse5 .cse10 (= 0 |old(~a16~0)|) .cse3 .cse11) (or .cse11 (or .cse5 (= 0 |old(~a12~0)|) .cse6 .cse3)) (or .cse8 (or .cse5 .cse10 .cse7 .cse6 .cse3))))) [2018-11-18 11:11:09,160 INFO L425 ceAbstractionStarter]: For program point L434(lines 434 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,160 INFO L425 ceAbstractionStarter]: For program point L1491-1(line 1491) no Hoare annotation was computed. [2018-11-18 11:11:09,160 INFO L425 ceAbstractionStarter]: For program point L1227(lines 1227 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,160 INFO L425 ceAbstractionStarter]: For program point L567(lines 567 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,160 INFO L425 ceAbstractionStarter]: For program point L501(lines 501 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,160 INFO L425 ceAbstractionStarter]: For program point L303(lines 303 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,161 INFO L425 ceAbstractionStarter]: For program point L171-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:11:09,161 INFO L425 ceAbstractionStarter]: For program point L105-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:11:09,161 INFO L425 ceAbstractionStarter]: For program point L39-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:11:09,161 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-18 11:11:09,161 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-18 11:11:09,161 INFO L425 ceAbstractionStarter]: For program point L1097(lines 1097 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,161 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-18 11:11:09,161 INFO L425 ceAbstractionStarter]: For program point L1031(lines 1031 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,161 INFO L425 ceAbstractionStarter]: For program point L899(lines 899 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,161 INFO L425 ceAbstractionStarter]: For program point L1428(lines 1428 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,161 INFO L425 ceAbstractionStarter]: For program point L834(lines 834 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,161 INFO L425 ceAbstractionStarter]: For program point L636(lines 636 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,161 INFO L425 ceAbstractionStarter]: For program point L1297(lines 1297 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,161 INFO L425 ceAbstractionStarter]: For program point L240(lines 240 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,162 INFO L425 ceAbstractionStarter]: For program point L174-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:11:09,162 INFO L425 ceAbstractionStarter]: For program point L108-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:11:09,162 INFO L425 ceAbstractionStarter]: For program point L42-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:11:09,162 INFO L425 ceAbstractionStarter]: For program point L967(lines 967 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,162 INFO L425 ceAbstractionStarter]: For program point L769(lines 769 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,162 INFO L425 ceAbstractionStarter]: For program point L703(lines 703 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,162 INFO L425 ceAbstractionStarter]: For program point L373(lines 373 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,162 INFO L425 ceAbstractionStarter]: For program point L1364(lines 1364 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,162 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-18 11:11:09,162 INFO L425 ceAbstractionStarter]: For program point L1166(lines 1166 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,162 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-18 11:11:09,162 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-18 11:11:09,162 INFO L425 ceAbstractionStarter]: For program point L440(lines 440 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,162 INFO L425 ceAbstractionStarter]: For program point L573(lines 573 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,163 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,163 INFO L425 ceAbstractionStarter]: For program point L1234(lines 1234 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,163 INFO L425 ceAbstractionStarter]: For program point L177-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:11:09,163 INFO L425 ceAbstractionStarter]: For program point L111-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:11:09,163 INFO L425 ceAbstractionStarter]: For program point L45-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:11:09,163 INFO L425 ceAbstractionStarter]: For program point L1036(lines 1036 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,163 INFO L425 ceAbstractionStarter]: For program point L706(lines 706 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,163 INFO L425 ceAbstractionStarter]: For program point L508(lines 508 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,163 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-18 11:11:09,163 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-18 11:11:09,163 INFO L425 ceAbstractionStarter]: For program point L1103(lines 1103 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,163 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-18 11:11:09,163 INFO L425 ceAbstractionStarter]: For program point L905(lines 905 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,163 INFO L425 ceAbstractionStarter]: For program point L641(lines 641 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,163 INFO L425 ceAbstractionStarter]: For program point L443(lines 443 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,164 INFO L425 ceAbstractionStarter]: For program point L1434(lines 1434 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,164 INFO L425 ceAbstractionStarter]: For program point L840(lines 840 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,164 INFO L425 ceAbstractionStarter]: For program point L1303(lines 1303 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,164 INFO L425 ceAbstractionStarter]: For program point L246(lines 246 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,164 INFO L425 ceAbstractionStarter]: For program point L180-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:11:09,164 INFO L425 ceAbstractionStarter]: For program point L114-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:11:09,164 INFO L425 ceAbstractionStarter]: For program point L48-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:11:09,164 INFO L425 ceAbstractionStarter]: For program point L775(lines 775 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,164 INFO L425 ceAbstractionStarter]: For program point L1370(lines 1370 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,164 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-18 11:11:09,164 INFO L425 ceAbstractionStarter]: For program point L1172(lines 1172 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,164 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-18 11:11:09,164 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-18 11:11:09,164 INFO L425 ceAbstractionStarter]: For program point L974(lines 974 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,165 INFO L425 ceAbstractionStarter]: For program point L578(lines 578 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,165 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,165 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,165 INFO L425 ceAbstractionStarter]: For program point L183-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:11:09,165 INFO L425 ceAbstractionStarter]: For program point L117-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:11:09,165 INFO L425 ceAbstractionStarter]: For program point L51-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:11:09,165 INFO L425 ceAbstractionStarter]: For program point L1042(lines 1042 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,165 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:11:09,165 INFO L425 ceAbstractionStarter]: For program point L778(lines 778 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,165 INFO L425 ceAbstractionStarter]: For program point L712(lines 712 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,165 INFO L425 ceAbstractionStarter]: For program point L1241(lines 1241 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,165 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-18 11:11:09,165 INFO L425 ceAbstractionStarter]: For program point L1175(lines 1175 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,165 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-18 11:11:09,165 INFO L425 ceAbstractionStarter]: For program point L1109(lines 1109 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,166 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-18 11:11:09,166 INFO L425 ceAbstractionStarter]: For program point L515(lines 515 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,166 INFO L425 ceAbstractionStarter]: For program point L449(lines 449 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,166 INFO L425 ceAbstractionStarter]: For program point L1440(lines 1440 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,166 INFO L425 ceAbstractionStarter]: For program point L912(lines 912 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,166 INFO L425 ceAbstractionStarter]: For program point L846(lines 846 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,166 INFO L425 ceAbstractionStarter]: For program point L648(lines 648 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,166 INFO L425 ceAbstractionStarter]: For program point L1375(lines 1375 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,166 INFO L425 ceAbstractionStarter]: For program point L1309(lines 1309 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,166 INFO L425 ceAbstractionStarter]: For program point L252(lines 252 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,166 INFO L425 ceAbstractionStarter]: For program point L186-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:11:09,166 INFO L425 ceAbstractionStarter]: For program point L120-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:11:09,166 INFO L425 ceAbstractionStarter]: For program point L54-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:11:09,166 INFO L425 ceAbstractionStarter]: For program point L979(lines 979 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,166 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-18 11:11:09,166 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-18 11:11:09,166 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-18 11:11:09,166 INFO L425 ceAbstractionStarter]: For program point L584(lines 584 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,166 INFO L425 ceAbstractionStarter]: For program point L386(lines 386 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,166 INFO L425 ceAbstractionStarter]: For program point L717(lines 717 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,166 INFO L425 ceAbstractionStarter]: For program point L321(lines 321 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,166 INFO L425 ceAbstractionStarter]: For program point L189-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:11:09,167 INFO L425 ceAbstractionStarter]: For program point L123-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:11:09,167 INFO L425 ceAbstractionStarter]: For program point L1114(lines 1114 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,167 INFO L425 ceAbstractionStarter]: For program point L57-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:11:09,167 INFO L425 ceAbstractionStarter]: For program point L1048(lines 1048 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,167 INFO L425 ceAbstractionStarter]: For program point L784(lines 784 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,167 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,167 INFO L425 ceAbstractionStarter]: For program point L1247(lines 1247 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,167 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-18 11:11:09,167 INFO L425 ceAbstractionStarter]: For program point L1181(lines 1181 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,167 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-18 11:11:09,167 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-18 11:11:09,167 INFO L425 ceAbstractionStarter]: For program point L917(lines 917 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,167 INFO L425 ceAbstractionStarter]: For program point L851(lines 851 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,167 INFO L425 ceAbstractionStarter]: For program point L521(lines 521 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,167 INFO L425 ceAbstractionStarter]: For program point L1446(lines 1446 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,167 INFO L425 ceAbstractionStarter]: For program point L1314(lines 1314 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,167 INFO L425 ceAbstractionStarter]: For program point L257(lines 257 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,167 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 23 1492) the Hoare annotation is: (let ((.cse6 (not (= 3 |old(~a15~0)|))) (.cse9 (not (= 5 |old(~a12~0)|))) (.cse8 (not (= (+ |old(~a18~0)| 87) 0))) (.cse7 (not (= 11 |old(~a16~0)|)))) (let ((.cse2 (<= (+ ~a18~0 156) 0)) (.cse4 (< 134 ~a18~0)) (.cse1 (and (or (not (= 8 |old(~a16~0)|)) .cse6 .cse9) (or .cse6 .cse9 .cse8 .cse7))) (.cse0 (and (= |old(~a16~0)| ~a16~0) (= ~a15~0 |old(~a15~0)|) (= |old(~a12~0)| ~a12~0))) (.cse5 (= (+ ~a18~0 87) 0)) (.cse3 (= |calculate_output_#in~input| 0))) (and (or .cse0 (< 3 |old(~a15~0)|) (not (= 8 |old(~a12~0)|))) (or .cse1 (or .cse2 (< 0 (+ ~a18~0 79))) (<= (+ |old(~a18~0)| 79) 0) .cse3) (or .cse1 (<= |old(~a18~0)| 134) .cse4 .cse3) (or (or .cse2 .cse4) .cse1 (< 0 (+ |old(~a18~0)| 156)) .cse3) (or .cse0 (< 7 |old(~a12~0)|)) (or .cse5 .cse3 (or .cse6 (not (= 6 |old(~a12~0)|)) .cse7) .cse8) (or (= 10 |old(~a16~0)|) .cse0) (or .cse5 (or .cse6 .cse9 .cse8 .cse7 .cse3))))) [2018-11-18 11:11:09,167 INFO L425 ceAbstractionStarter]: For program point L1381(lines 1381 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,167 INFO L425 ceAbstractionStarter]: For program point L192-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:11:09,167 INFO L425 ceAbstractionStarter]: For program point L126-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:11:09,167 INFO L425 ceAbstractionStarter]: For program point L60-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:11:09,168 INFO L425 ceAbstractionStarter]: For program point L655(lines 655 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,168 INFO L425 ceAbstractionStarter]: For program point L589(lines 589 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,168 INFO L425 ceAbstractionStarter]: For program point L457(lines 457 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,168 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,168 INFO L425 ceAbstractionStarter]: For program point L1250(lines 1250 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,168 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-18 11:11:09,168 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-18 11:11:09,168 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-18 11:11:09,168 INFO L425 ceAbstractionStarter]: For program point L986(lines 986 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,168 INFO L425 ceAbstractionStarter]: For program point L1449(lines 1449 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,168 INFO L425 ceAbstractionStarter]: For program point L789(lines 789 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,168 INFO L425 ceAbstractionStarter]: For program point L723(lines 723 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,168 INFO L425 ceAbstractionStarter]: For program point L327(lines 327 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,168 INFO L425 ceAbstractionStarter]: For program point L195-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:11:09,168 INFO L425 ceAbstractionStarter]: For program point L129-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:11:09,168 INFO L425 ceAbstractionStarter]: For program point L1120(lines 1120 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,168 INFO L425 ceAbstractionStarter]: For program point L63-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:11:09,168 INFO L425 ceAbstractionStarter]: For program point L922(lines 922 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,168 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,168 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-18 11:11:09,168 INFO L425 ceAbstractionStarter]: For program point L1187(lines 1187 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,168 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-18 11:11:09,168 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-18 11:11:09,168 INFO L425 ceAbstractionStarter]: For program point L1055(lines 1055 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,168 INFO L425 ceAbstractionStarter]: For program point L857(lines 857 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,168 INFO L425 ceAbstractionStarter]: For program point L527(lines 527 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,169 INFO L425 ceAbstractionStarter]: For program point L1386(lines 1386 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,169 INFO L425 ceAbstractionStarter]: For program point L594(lines 594 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,169 INFO L425 ceAbstractionStarter]: For program point L1321(lines 1321 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,169 INFO L425 ceAbstractionStarter]: For program point L198-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:11:09,169 INFO L425 ceAbstractionStarter]: For program point L132-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:11:09,169 INFO L425 ceAbstractionStarter]: For program point L66-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:11:09,169 INFO L425 ceAbstractionStarter]: For program point L661(lines 661 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,169 INFO L425 ceAbstractionStarter]: For program point L463(lines 463 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,169 INFO L425 ceAbstractionStarter]: For program point L1256(lines 1256 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,169 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-18 11:11:09,169 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-18 11:11:09,169 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-18 11:11:09,169 INFO L425 ceAbstractionStarter]: For program point L728(lines 728 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,169 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,169 INFO L425 ceAbstractionStarter]: For program point L1125(lines 1125 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,169 INFO L425 ceAbstractionStarter]: For program point L993(lines 993 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,169 INFO L425 ceAbstractionStarter]: For program point L1456(lines 1456 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,169 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,169 INFO L425 ceAbstractionStarter]: For program point L201-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:11:09,169 INFO L425 ceAbstractionStarter]: For program point L135-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:11:09,169 INFO L425 ceAbstractionStarter]: For program point L69-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:11:09,169 INFO L425 ceAbstractionStarter]: For program point L796(lines 796 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,169 INFO L425 ceAbstractionStarter]: For program point L664(lines 664 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,169 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,169 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-18 11:11:09,169 INFO L425 ceAbstractionStarter]: For program point L1193(lines 1193 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,169 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-18 11:11:09,170 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-18 11:11:09,170 INFO L425 ceAbstractionStarter]: For program point L1061(lines 1061 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,170 INFO L425 ceAbstractionStarter]: For program point L929(lines 929 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,170 INFO L425 ceAbstractionStarter]: For program point L863(lines 863 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,170 INFO L425 ceAbstractionStarter]: For program point L533(lines 533 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,170 INFO L425 ceAbstractionStarter]: For program point L1392(lines 1392 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,170 INFO L425 ceAbstractionStarter]: For program point L600(lines 600 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,170 INFO L425 ceAbstractionStarter]: For program point L1327(lines 1327 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,170 INFO L425 ceAbstractionStarter]: For program point L204-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:11:09,170 INFO L425 ceAbstractionStarter]: For program point L138-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:11:09,170 INFO L425 ceAbstractionStarter]: For program point L72-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:11:09,170 INFO L425 ceAbstractionStarter]: For program point L469(lines 469 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,170 INFO L425 ceAbstractionStarter]: For program point L1262(lines 1262 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,170 INFO L425 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2018-11-18 11:11:09,170 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-18 11:11:09,170 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-18 11:11:09,170 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 178) no Hoare annotation was computed. [2018-11-18 11:11:09,171 INFO L425 ceAbstractionStarter]: For program point L734(lines 734 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,171 INFO L425 ceAbstractionStarter]: For program point L1461(lines 1461 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,171 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,171 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,171 INFO L425 ceAbstractionStarter]: For program point L1131(lines 1131 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,171 INFO L425 ceAbstractionStarter]: For program point L999(lines 999 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,171 INFO L425 ceAbstractionStarter]: For program point L141-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:11:09,171 INFO L425 ceAbstractionStarter]: For program point L75-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:11:09,171 INFO L425 ceAbstractionStarter]: For program point L802(lines 802 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,171 INFO L425 ceAbstractionStarter]: For program point L670(lines 670 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,171 INFO L425 ceAbstractionStarter]: For program point L538(lines 538 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,171 INFO L425 ceAbstractionStarter]: For program point L1397(lines 1397 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,171 INFO L425 ceAbstractionStarter]: For program point L274(lines 274 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,171 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-18 11:11:09,172 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-18 11:11:09,172 INFO L425 ceAbstractionStarter]: For program point L1067(lines 1067 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,172 INFO L425 ceAbstractionStarter]: For program point L935(lines 935 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,172 INFO L425 ceAbstractionStarter]: For program point L869(lines 869 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,172 INFO L425 ceAbstractionStarter]: For program point L1200(lines 1200 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,172 INFO L425 ceAbstractionStarter]: For program point L606(lines 606 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,172 INFO L425 ceAbstractionStarter]: For program point L1267(lines 1267 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,172 INFO L425 ceAbstractionStarter]: For program point L144-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:11:09,172 INFO L425 ceAbstractionStarter]: For program point L78-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:11:09,172 INFO L425 ceAbstractionStarter]: For program point L1466(lines 1466 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,172 INFO L425 ceAbstractionStarter]: For program point L1334(lines 1334 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,172 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-18 11:11:09,172 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-18 11:11:09,172 INFO L425 ceAbstractionStarter]: For program point L476(lines 476 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,172 INFO L425 ceAbstractionStarter]: For program point L1137(lines 1137 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,173 INFO L425 ceAbstractionStarter]: For program point L1005(lines 1005 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,173 INFO L425 ceAbstractionStarter]: For program point L741(lines 741 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,173 INFO L425 ceAbstractionStarter]: For program point L543(lines 543 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,173 INFO L425 ceAbstractionStarter]: For program point L411(lines 411 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,173 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,173 INFO L425 ceAbstractionStarter]: For program point L279(lines 279 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,173 INFO L425 ceAbstractionStarter]: For program point L213(lines 213 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,173 INFO L425 ceAbstractionStarter]: For program point L147-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:11:09,173 INFO L425 ceAbstractionStarter]: For program point L81-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:11:09,173 INFO L425 ceAbstractionStarter]: For program point L808(lines 808 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,173 INFO L425 ceAbstractionStarter]: For program point L1403(lines 1403 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,173 INFO L425 ceAbstractionStarter]: For program point L1205(lines 1205 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,173 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-18 11:11:09,173 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-18 11:11:09,173 INFO L425 ceAbstractionStarter]: For program point L1073(lines 1073 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,174 INFO L425 ceAbstractionStarter]: For program point L875(lines 875 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,174 INFO L425 ceAbstractionStarter]: For program point L677(lines 677 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,174 INFO L425 ceAbstractionStarter]: For program point L942(lines 942 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,174 INFO L425 ceAbstractionStarter]: For program point L612(lines 612 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,174 INFO L425 ceAbstractionStarter]: For program point L150-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:11:09,174 INFO L425 ceAbstractionStarter]: For program point L84-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:11:09,174 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:11:09,174 INFO L425 ceAbstractionStarter]: For program point L1472(lines 1472 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,174 INFO L425 ceAbstractionStarter]: For program point L1274(lines 1274 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,174 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-18 11:11:09,174 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-18 11:11:09,174 INFO L425 ceAbstractionStarter]: For program point L746(lines 746 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,174 INFO L425 ceAbstractionStarter]: For program point L680(lines 680 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,174 INFO L425 ceAbstractionStarter]: For program point L548(lines 548 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,174 INFO L425 ceAbstractionStarter]: For program point L350(lines 350 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,175 INFO L425 ceAbstractionStarter]: For program point L1341(lines 1341 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,175 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,175 INFO L425 ceAbstractionStarter]: For program point L1143(lines 1143 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,175 INFO L425 ceAbstractionStarter]: For program point L1011(lines 1011 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,175 INFO L425 ceAbstractionStarter]: For program point L483(lines 483 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,175 INFO L425 ceAbstractionStarter]: For program point L417(lines 417 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,175 INFO L425 ceAbstractionStarter]: For program point L285(lines 285 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,175 INFO L425 ceAbstractionStarter]: For program point L153-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:11:09,175 INFO L425 ceAbstractionStarter]: For program point L87-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:11:09,175 INFO L425 ceAbstractionStarter]: For program point L1409(lines 1409 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,175 INFO L425 ceAbstractionStarter]: For program point L1211(lines 1211 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,175 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-18 11:11:09,175 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-18 11:11:09,175 INFO L425 ceAbstractionStarter]: For program point L1079(lines 1079 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,175 INFO L425 ceAbstractionStarter]: For program point L815(lines 815 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,176 INFO L425 ceAbstractionStarter]: For program point L948(lines 948 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,176 INFO L425 ceAbstractionStarter]: For program point L882(lines 882 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,176 INFO L425 ceAbstractionStarter]: For program point L618(lines 618 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,176 INFO L425 ceAbstractionStarter]: For program point L1477(lines 1477 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,176 INFO L425 ceAbstractionStarter]: For program point L156-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:11:09,176 INFO L425 ceAbstractionStarter]: For program point L90-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:11:09,176 INFO L425 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2018-11-18 11:11:09,176 INFO L425 ceAbstractionStarter]: For program point L24-2(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:11:09,176 INFO L425 ceAbstractionStarter]: For program point L1280(lines 1280 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,176 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,176 INFO L425 ceAbstractionStarter]: For program point L1214(lines 1214 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,176 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-18 11:11:09,176 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-18 11:11:09,176 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-18 11:11:09,176 INFO L425 ceAbstractionStarter]: For program point L752(lines 752 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,177 INFO L425 ceAbstractionStarter]: For program point L686(lines 686 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,177 INFO L425 ceAbstractionStarter]: For program point L554(lines 554 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,177 INFO L425 ceAbstractionStarter]: For program point L356(lines 356 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,177 INFO L425 ceAbstractionStarter]: For program point L1347(lines 1347 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,177 INFO L425 ceAbstractionStarter]: For program point L290(lines 290 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,177 INFO L425 ceAbstractionStarter]: For program point L1149(lines 1149 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,177 INFO L425 ceAbstractionStarter]: For program point L489(lines 489 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,177 INFO L425 ceAbstractionStarter]: For program point L159-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:11:09,177 INFO L425 ceAbstractionStarter]: For program point L93-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:11:09,177 INFO L425 ceAbstractionStarter]: For program point L27-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:11:09,177 INFO L425 ceAbstractionStarter]: For program point L1018(lines 1018 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,177 INFO L425 ceAbstractionStarter]: For program point L424(lines 424 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,177 INFO L425 ceAbstractionStarter]: For program point L1415(lines 1415 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,177 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-18 11:11:09,177 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-18 11:11:09,178 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-18 11:11:09,178 INFO L425 ceAbstractionStarter]: For program point L1086(lines 1086 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,178 INFO L425 ceAbstractionStarter]: For program point L954(lines 954 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,178 INFO L425 ceAbstractionStarter]: For program point L888(lines 888 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,178 INFO L425 ceAbstractionStarter]: For program point L822(lines 822 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,178 INFO L425 ceAbstractionStarter]: For program point L624(lines 624 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,178 INFO L425 ceAbstractionStarter]: For program point L162-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:11:09,178 INFO L425 ceAbstractionStarter]: For program point L96-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:11:09,178 INFO L425 ceAbstractionStarter]: For program point L30-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:11:09,178 INFO L425 ceAbstractionStarter]: For program point L691(lines 691 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,178 INFO L425 ceAbstractionStarter]: For program point L1484(lines 1484 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,178 INFO L425 ceAbstractionStarter]: For program point L427(lines 427 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,178 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,178 INFO L425 ceAbstractionStarter]: For program point L1286(lines 1286 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,179 INFO L425 ceAbstractionStarter]: For program point L229(lines 229 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,179 INFO L425 ceAbstractionStarter]: For program point L1220(lines 1220 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,179 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-18 11:11:09,179 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-18 11:11:09,179 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-18 11:11:09,179 INFO L425 ceAbstractionStarter]: For program point L758(lines 758 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,179 INFO L425 ceAbstractionStarter]: For program point L560(lines 560 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,179 INFO L425 ceAbstractionStarter]: For program point L1353(lines 1353 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,179 INFO L425 ceAbstractionStarter]: For program point L1155(lines 1155 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,179 INFO L425 ceAbstractionStarter]: For program point L495(lines 495 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,179 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,179 INFO L425 ceAbstractionStarter]: For program point L165-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:11:09,179 INFO L425 ceAbstractionStarter]: For program point L99-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:11:09,179 INFO L425 ceAbstractionStarter]: For program point L33-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:11:09,180 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-18 11:11:09,180 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-18 11:11:09,180 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-18 11:11:09,180 INFO L425 ceAbstractionStarter]: For program point L1025(lines 1025 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,180 INFO L425 ceAbstractionStarter]: For program point L1422(lines 1422 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,180 INFO L425 ceAbstractionStarter]: For program point L1092(lines 1092 1490) no Hoare annotation was computed. [2018-11-18 11:11:09,180 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 11:11:09,180 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a16~0 11) (= 3 ~a15~0) (= ~a12~0 5) (= (+ ~a18~0 87) 0)) [2018-11-18 11:11:09,180 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 11:11:09,180 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 11:11:09,180 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 1767 1783) the Hoare annotation is: (or (not (= 3 |old(~a15~0)|)) (not (= 5 |old(~a12~0)|)) (and (= (+ ~a18~0 87) 0) (= ~a16~0 |old(~a16~0)|) (= 3 ~a15~0) (= |old(~a12~0)| ~a12~0)) (not (= (+ |old(~a18~0)| 87) 0)) (not (= 11 |old(~a16~0)|))) [2018-11-18 11:11:09,181 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 1767 1783) no Hoare annotation was computed. [2018-11-18 11:11:09,181 INFO L421 ceAbstractionStarter]: At program point L1781(line 1781) the Hoare annotation is: (or (not (= 11 |old(~a16~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (<= ~a12~0 7) (not (= 3 |old(~a15~0)|)) (not (= ~a16~0 10)) (not (= 5 |old(~a12~0)|)) (and (= 8 ~a12~0) (<= ~a15~0 3))) [2018-11-18 11:11:09,181 INFO L425 ceAbstractionStarter]: For program point L1781-1(line 1781) no Hoare annotation was computed. [2018-11-18 11:11:09,181 INFO L425 ceAbstractionStarter]: For program point L1778(line 1778) no Hoare annotation was computed. [2018-11-18 11:11:09,181 INFO L425 ceAbstractionStarter]: For program point L1773-1(lines 1773 1782) no Hoare annotation was computed. [2018-11-18 11:11:09,181 INFO L421 ceAbstractionStarter]: At program point L1773-3(lines 1773 1782) the Hoare annotation is: (or (not (= 11 |old(~a16~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (<= ~a12~0 7) (not (= 3 |old(~a15~0)|)) (not (= ~a16~0 10)) (not (= 5 |old(~a12~0)|)) (and (= 8 ~a12~0) (<= ~a15~0 3))) [2018-11-18 11:11:09,181 INFO L425 ceAbstractionStarter]: For program point L1773-4(lines 1767 1783) no Hoare annotation was computed. [2018-11-18 11:11:09,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 11:11:09 BoogieIcfgContainer [2018-11-18 11:11:09,190 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 11:11:09,190 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:11:09,190 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:11:09,190 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:11:09,191 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:05:57" (3/4) ... [2018-11-18 11:11:09,194 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 11:11:09,199 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 11:11:09,199 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output2 [2018-11-18 11:11:09,199 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 11:11:09,199 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 11:11:09,218 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-18 11:11:09,219 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 11:11:09,245 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(11 == \old(a16)) || !(\old(a18) + 87 == 0)) || a12 <= 7) || !(3 == \old(a15))) || !(a16 == 10)) || !(5 == \old(a12))) || (8 == a12 && a15 <= 3) [2018-11-18 11:11:09,358 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7a4c60bb-b0b5-4f6c-82bb-82232ac24101/bin-2019/utaipan/witness.graphml [2018-11-18 11:11:09,359 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:11:09,359 INFO L168 Benchmark]: Toolchain (without parser) took 315188.64 ms. Allocated memory was 1.0 GB in the beginning and 5.4 GB in the end (delta: 4.4 GB). Free memory was 955.0 MB in the beginning and 2.7 GB in the end (delta: -1.8 GB). Peak memory consumption was 2.6 GB. Max. memory is 11.5 GB. [2018-11-18 11:11:09,360 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:11:09,360 INFO L168 Benchmark]: CACSL2BoogieTranslator took 730.25 ms. Allocated memory is still 1.0 GB. Free memory was 955.0 MB in the beginning and 878.6 MB in the end (delta: 76.4 MB). Peak memory consumption was 76.4 MB. Max. memory is 11.5 GB. [2018-11-18 11:11:09,360 INFO L168 Benchmark]: Boogie Procedure Inliner took 117.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 878.6 MB in the beginning and 1.1 GB in the end (delta: -251.6 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:11:09,360 INFO L168 Benchmark]: Boogie Preprocessor took 84.81 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: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2018-11-18 11:11:09,361 INFO L168 Benchmark]: RCFGBuilder took 1969.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -11.5 MB). Peak memory consumption was 253.0 MB. Max. memory is 11.5 GB. [2018-11-18 11:11:09,361 INFO L168 Benchmark]: TraceAbstraction took 312113.57 ms. Allocated memory was 1.2 GB in the beginning and 5.4 GB in the end (delta: 4.2 GB). Free memory was 1.1 GB in the beginning and 2.8 GB in the end (delta: -1.7 GB). Peak memory consumption was 2.6 GB. Max. memory is 11.5 GB. [2018-11-18 11:11:09,361 INFO L168 Benchmark]: Witness Printer took 168.50 ms. Allocated memory is still 5.4 GB. Free memory was 2.8 GB in the beginning and 2.7 GB in the end (delta: 78.8 MB). Peak memory consumption was 78.8 MB. Max. memory is 11.5 GB. [2018-11-18 11:11:09,363 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 730.25 ms. Allocated memory is still 1.0 GB. Free memory was 955.0 MB in the beginning and 878.6 MB in the end (delta: 76.4 MB). Peak memory consumption was 76.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 117.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 878.6 MB in the beginning and 1.1 GB in the end (delta: -251.6 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 84.81 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: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1969.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -11.5 MB). Peak memory consumption was 253.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 312113.57 ms. Allocated memory was 1.2 GB in the beginning and 5.4 GB in the end (delta: 4.2 GB). Free memory was 1.1 GB in the beginning and 2.8 GB in the end (delta: -1.7 GB). Peak memory consumption was 2.6 GB. Max. memory is 11.5 GB. * Witness Printer took 168.50 ms. Allocated memory is still 5.4 GB. Free memory was 2.8 GB in the beginning and 2.7 GB in the end (delta: 78.8 MB). Peak memory consumption was 78.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 178]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1773]: Loop Invariant Derived loop invariant: (((((!(11 == \old(a16)) || !(\old(a18) + 87 == 0)) || a12 <= 7) || !(3 == \old(a15))) || !(a16 == 10)) || !(5 == \old(a12))) || (8 == a12 && a15 <= 3) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 410 locations, 1 error locations. SAFE Result, 312.0s OverallTime, 13 OverallIterations, 9 TraceHistogramMax, 289.6s AutomataDifference, 0.0s DeadEndRemovalTime, 3.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 2711 SDtfs, 31025 SDslu, 3262 SDs, 0 SdLazy, 44781 SolverSat, 8947 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 264.6s Time, PredicateUnifierStatistics: 10 DeclaredPredicates, 13397 GetRequests, 13144 SyntacticMatches, 13 SemanticMatches, 240 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2598 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15698occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 3.8s AbstIntTime, 10 AbstIntIterations, 5 AbstIntStrong, 0.9978703309661116 AbsIntWeakeningRatio, 0.06419040750090155 AbsIntAvgWeakeningVarsNumRemoved, 15.835196538045437 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 13 MinimizatonAttempts, 1891 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 894 PreInvPairs, 2310 NumberOfFragments, 955 HoareAnnotationTreeSize, 894 FomulaSimplifications, 29381 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 9 FomulaSimplificationsInter, 37413 FormulaSimplificationTreeSizeReductionInter, 2.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 6.2s InterpolantComputationTime, 14744 NumberOfCodeBlocks, 14744 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 19882 ConstructedInterpolants, 0 QuantifiedInterpolants, 39321107 SizeOfPredicates, 2 NumberOfNonLiveVariables, 6885 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 23 InterpolantComputations, 4 PerfectInterpolantSequences, 38566/42254 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...