./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label12_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_357fb0b3-b7d4-4bf8-8eca-40702394c15b/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_357fb0b3-b7d4-4bf8-8eca-40702394c15b/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_357fb0b3-b7d4-4bf8-8eca-40702394c15b/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_357fb0b3-b7d4-4bf8-8eca-40702394c15b/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label12_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_357fb0b3-b7d4-4bf8-8eca-40702394c15b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_357fb0b3-b7d4-4bf8-8eca-40702394c15b/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 b5c6b8316fe3005137d926d381b455230e5ce2ce ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 12:07:50,127 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:07:50,128 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:07:50,136 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:07:50,136 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:07:50,137 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:07:50,138 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:07:50,139 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:07:50,140 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:07:50,140 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:07:50,141 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:07:50,141 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:07:50,142 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:07:50,142 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:07:50,143 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:07:50,144 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:07:50,144 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:07:50,146 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:07:50,147 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:07:50,148 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:07:50,149 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:07:50,150 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:07:50,151 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:07:50,152 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:07:50,152 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:07:50,152 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:07:50,153 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:07:50,154 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:07:50,154 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:07:50,155 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:07:50,155 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:07:50,156 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:07:50,156 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:07:50,156 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:07:50,156 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:07:50,157 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:07:50,157 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_357fb0b3-b7d4-4bf8-8eca-40702394c15b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 12:07:50,166 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:07:50,166 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:07:50,167 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 12:07:50,167 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 12:07:50,167 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 12:07:50,167 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 12:07:50,167 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 12:07:50,168 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 12:07:50,168 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 12:07:50,168 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 12:07:50,168 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 12:07:50,168 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 12:07:50,168 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 12:07:50,169 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:07:50,169 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:07:50,169 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 12:07:50,169 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:07:50,169 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:07:50,170 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 12:07:50,170 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 12:07:50,170 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 12:07:50,170 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:07:50,170 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:07:50,170 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:07:50,170 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 12:07:50,170 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:07:50,171 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 12:07:50,171 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 12:07:50,171 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 12:07:50,171 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 12:07:50,171 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:07:50,171 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 12:07:50,171 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 12:07:50,172 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 12:07:50,172 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 12:07:50,172 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 12:07:50,172 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 12:07:50,172 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_357fb0b3-b7d4-4bf8-8eca-40702394c15b/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 -> b5c6b8316fe3005137d926d381b455230e5ce2ce [2018-11-18 12:07:50,196 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:07:50,204 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:07:50,206 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:07:50,207 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:07:50,207 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:07:50,208 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_357fb0b3-b7d4-4bf8-8eca-40702394c15b/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem16_label12_true-unreach-call.c [2018-11-18 12:07:50,241 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_357fb0b3-b7d4-4bf8-8eca-40702394c15b/bin-2019/utaipan/data/d3ccb3bc0/f2748eda9e2948e190306720b76e4575/FLAGac48a7c85 [2018-11-18 12:07:50,731 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:07:50,731 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_357fb0b3-b7d4-4bf8-8eca-40702394c15b/sv-benchmarks/c/eca-rers2012/Problem16_label12_true-unreach-call.c [2018-11-18 12:07:50,744 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_357fb0b3-b7d4-4bf8-8eca-40702394c15b/bin-2019/utaipan/data/d3ccb3bc0/f2748eda9e2948e190306720b76e4575/FLAGac48a7c85 [2018-11-18 12:07:51,226 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_357fb0b3-b7d4-4bf8-8eca-40702394c15b/bin-2019/utaipan/data/d3ccb3bc0/f2748eda9e2948e190306720b76e4575 [2018-11-18 12:07:51,228 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:07:51,229 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 12:07:51,229 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:07:51,229 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:07:51,232 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:07:51,232 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:07:51" (1/1) ... [2018-11-18 12:07:51,234 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@788382f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:07:51, skipping insertion in model container [2018-11-18 12:07:51,234 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:07:51" (1/1) ... [2018-11-18 12:07:51,239 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:07:51,291 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:07:51,702 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:07:51,705 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:07:51,889 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:07:51,902 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:07:51,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:07:51 WrapperNode [2018-11-18 12:07:51,903 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:07:51,903 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 12:07:51,903 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 12:07:51,904 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 12:07:51,981 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:07:51" (1/1) ... [2018-11-18 12:07:52,000 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:07:51" (1/1) ... [2018-11-18 12:07:52,007 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 12:07:52,007 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:07:52,007 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:07:52,008 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:07:52,015 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:07:51" (1/1) ... [2018-11-18 12:07:52,016 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:07:51" (1/1) ... [2018-11-18 12:07:52,020 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:07:51" (1/1) ... [2018-11-18 12:07:52,020 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:07:51" (1/1) ... [2018-11-18 12:07:52,054 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:07:51" (1/1) ... [2018-11-18 12:07:52,064 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:07:51" (1/1) ... [2018-11-18 12:07:52,074 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:07:51" (1/1) ... [2018-11-18 12:07:52,085 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:07:52,086 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:07:52,086 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:07:52,086 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:07:52,087 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:07:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_357fb0b3-b7d4-4bf8-8eca-40702394c15b/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 12:07:52,133 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 12:07:52,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 12:07:52,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 12:07:52,133 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-18 12:07:52,133 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-18 12:07:52,133 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 12:07:52,134 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 12:07:52,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:07:52,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:07:52,134 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 12:07:52,134 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 12:07:53,765 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:07:53,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:07:53 BoogieIcfgContainer [2018-11-18 12:07:53,766 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:07:53,766 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 12:07:53,766 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 12:07:53,769 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 12:07:53,769 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 12:07:51" (1/3) ... [2018-11-18 12:07:53,770 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6595987a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:07:53, skipping insertion in model container [2018-11-18 12:07:53,770 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:07:51" (2/3) ... [2018-11-18 12:07:53,770 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6595987a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:07:53, skipping insertion in model container [2018-11-18 12:07:53,770 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:07:53" (3/3) ... [2018-11-18 12:07:53,772 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label12_true-unreach-call.c [2018-11-18 12:07:53,778 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 12:07:53,784 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 12:07:53,793 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 12:07:53,817 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 12:07:53,817 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 12:07:53,817 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 12:07:53,817 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 12:07:53,818 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 12:07:53,818 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 12:07:53,818 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 12:07:53,818 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 12:07:53,838 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states. [2018-11-18 12:07:53,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 12:07:53,843 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:07:53,844 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] [2018-11-18 12:07:53,845 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:07:53,849 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:07:53,849 INFO L82 PathProgramCache]: Analyzing trace with hash 806508676, now seen corresponding path program 1 times [2018-11-18 12:07:53,851 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:07:53,881 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:07:53,881 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:07:53,881 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:07:53,881 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:07:53,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:07:54,043 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 12:07:54,046 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:07:54,047 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 12:07:54,047 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:07:54,052 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 12:07:54,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:07:54,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:07:54,067 INFO L87 Difference]: Start difference. First operand 410 states. Second operand 3 states. [2018-11-18 12:07:55,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:07:55,345 INFO L93 Difference]: Finished difference Result 1156 states and 2144 transitions. [2018-11-18 12:07:55,347 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:07:55,348 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2018-11-18 12:07:55,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:07:55,362 INFO L225 Difference]: With dead ends: 1156 [2018-11-18 12:07:55,362 INFO L226 Difference]: Without dead ends: 744 [2018-11-18 12:07:55,366 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 12:07:55,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2018-11-18 12:07:55,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 744. [2018-11-18 12:07:55,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2018-11-18 12:07:55,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1355 transitions. [2018-11-18 12:07:55,426 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1355 transitions. Word has length 46 [2018-11-18 12:07:55,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:07:55,427 INFO L480 AbstractCegarLoop]: Abstraction has 744 states and 1355 transitions. [2018-11-18 12:07:55,427 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 12:07:55,427 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1355 transitions. [2018-11-18 12:07:55,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-11-18 12:07:55,430 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:07:55,431 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:07:55,431 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:07:55,431 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:07:55,431 INFO L82 PathProgramCache]: Analyzing trace with hash 875777906, now seen corresponding path program 1 times [2018-11-18 12:07:55,431 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:07:55,432 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:07:55,432 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:07:55,432 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:07:55,432 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:07:55,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:07:55,549 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:07:55,549 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:07:55,549 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 12:07:55,549 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:07:55,551 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 12:07:55,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 12:07:55,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 12:07:55,551 INFO L87 Difference]: Start difference. First operand 744 states and 1355 transitions. Second operand 5 states. [2018-11-18 12:07:57,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:07:57,140 INFO L93 Difference]: Finished difference Result 2194 states and 4083 transitions. [2018-11-18 12:07:57,141 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 12:07:57,141 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 116 [2018-11-18 12:07:57,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:07:57,148 INFO L225 Difference]: With dead ends: 2194 [2018-11-18 12:07:57,148 INFO L226 Difference]: Without dead ends: 1456 [2018-11-18 12:07:57,150 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-18 12:07:57,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1456 states. [2018-11-18 12:07:57,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1456 to 1436. [2018-11-18 12:07:57,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1436 states. [2018-11-18 12:07:57,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1436 states to 1436 states and 2550 transitions. [2018-11-18 12:07:57,189 INFO L78 Accepts]: Start accepts. Automaton has 1436 states and 2550 transitions. Word has length 116 [2018-11-18 12:07:57,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:07:57,189 INFO L480 AbstractCegarLoop]: Abstraction has 1436 states and 2550 transitions. [2018-11-18 12:07:57,189 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 12:07:57,189 INFO L276 IsEmpty]: Start isEmpty. Operand 1436 states and 2550 transitions. [2018-11-18 12:07:57,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-11-18 12:07:57,192 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:07:57,193 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:07:57,193 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:07:57,193 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:07:57,193 INFO L82 PathProgramCache]: Analyzing trace with hash -545095373, now seen corresponding path program 1 times [2018-11-18 12:07:57,193 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:07:57,194 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:07:57,194 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:07:57,194 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:07:57,195 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:07:57,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:07:57,331 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:07:57,331 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:07:57,331 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 12:07:57,331 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:07:57,332 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 12:07:57,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 12:07:57,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 12:07:57,332 INFO L87 Difference]: Start difference. First operand 1436 states and 2550 transitions. Second operand 6 states. [2018-11-18 12:07:59,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:07:59,309 INFO L93 Difference]: Finished difference Result 3936 states and 7024 transitions. [2018-11-18 12:07:59,309 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 12:07:59,309 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 145 [2018-11-18 12:07:59,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:07:59,322 INFO L225 Difference]: With dead ends: 3936 [2018-11-18 12:07:59,322 INFO L226 Difference]: Without dead ends: 2506 [2018-11-18 12:07:59,328 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 12:07:59,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2506 states. [2018-11-18 12:07:59,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2506 to 2479. [2018-11-18 12:07:59,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2479 states. [2018-11-18 12:07:59,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2479 states to 2479 states and 3996 transitions. [2018-11-18 12:07:59,386 INFO L78 Accepts]: Start accepts. Automaton has 2479 states and 3996 transitions. Word has length 145 [2018-11-18 12:07:59,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:07:59,387 INFO L480 AbstractCegarLoop]: Abstraction has 2479 states and 3996 transitions. [2018-11-18 12:07:59,387 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 12:07:59,387 INFO L276 IsEmpty]: Start isEmpty. Operand 2479 states and 3996 transitions. [2018-11-18 12:07:59,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-11-18 12:07:59,390 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:07:59,390 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:07:59,390 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:07:59,390 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:07:59,390 INFO L82 PathProgramCache]: Analyzing trace with hash -1167752721, now seen corresponding path program 1 times [2018-11-18 12:07:59,390 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:07:59,391 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:07:59,391 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:07:59,391 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:07:59,391 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:07:59,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:07:59,539 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:07:59,539 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:07:59,539 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 12:07:59,540 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:07:59,540 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 12:07:59,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 12:07:59,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 12:07:59,540 INFO L87 Difference]: Start difference. First operand 2479 states and 3996 transitions. Second operand 6 states. [2018-11-18 12:08:00,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:08:00,705 INFO L93 Difference]: Finished difference Result 6050 states and 9896 transitions. [2018-11-18 12:08:00,705 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 12:08:00,705 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 163 [2018-11-18 12:08:00,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:08:00,718 INFO L225 Difference]: With dead ends: 6050 [2018-11-18 12:08:00,718 INFO L226 Difference]: Without dead ends: 3577 [2018-11-18 12:08:00,726 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 12:08:00,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3577 states. [2018-11-18 12:08:00,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3577 to 3545. [2018-11-18 12:08:00,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3545 states. [2018-11-18 12:08:00,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3545 states to 3545 states and 4965 transitions. [2018-11-18 12:08:00,801 INFO L78 Accepts]: Start accepts. Automaton has 3545 states and 4965 transitions. Word has length 163 [2018-11-18 12:08:00,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:08:00,801 INFO L480 AbstractCegarLoop]: Abstraction has 3545 states and 4965 transitions. [2018-11-18 12:08:00,801 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 12:08:00,801 INFO L276 IsEmpty]: Start isEmpty. Operand 3545 states and 4965 transitions. [2018-11-18 12:08:00,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-11-18 12:08:00,804 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:08:00,804 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:08:00,804 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:08:00,805 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:08:00,805 INFO L82 PathProgramCache]: Analyzing trace with hash -1830344664, now seen corresponding path program 1 times [2018-11-18 12:08:00,805 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:08:00,806 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:08:00,806 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:08:00,806 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:08:00,806 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:08:00,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:08:00,946 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 106 proven. 37 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 12:08:00,946 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:08:00,946 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:08:00,947 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 247 with the following transitions: [2018-11-18 12:08:00,949 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], [447], [449], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 12:08:00,984 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:08:00,985 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:08:01,290 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 12:08:01,291 INFO L272 AbstractInterpreter]: Visited 135 different actions 135 times. Never merged. Never widened. Performed 1263 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1263 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 24 variables. [2018-11-18 12:08:01,296 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:08:01,297 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 12:08:01,629 INFO L227 lantSequenceWeakener]: Weakened 237 states. On average, predicates are now at 77.84% of their original sizes. [2018-11-18 12:08:01,629 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 12:08:01,671 INFO L415 sIntCurrentIteration]: We unified 245 AI predicates to 245 [2018-11-18 12:08:01,671 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 12:08:01,672 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 12:08:01,672 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2018-11-18 12:08:01,672 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:08:01,673 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 12:08:01,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 12:08:01,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 12:08:01,673 INFO L87 Difference]: Start difference. First operand 3545 states and 4965 transitions. Second operand 6 states. [2018-11-18 12:08:20,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:08:20,471 INFO L93 Difference]: Finished difference Result 7424 states and 10344 transitions. [2018-11-18 12:08:20,471 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 12:08:20,471 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 246 [2018-11-18 12:08:20,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:08:20,482 INFO L225 Difference]: With dead ends: 7424 [2018-11-18 12:08:20,482 INFO L226 Difference]: Without dead ends: 3885 [2018-11-18 12:08:20,490 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 246 GetRequests, 241 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 12:08:20,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3885 states. [2018-11-18 12:08:20,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3885 to 3883. [2018-11-18 12:08:20,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3883 states. [2018-11-18 12:08:20,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3883 states to 3883 states and 5311 transitions. [2018-11-18 12:08:20,566 INFO L78 Accepts]: Start accepts. Automaton has 3883 states and 5311 transitions. Word has length 246 [2018-11-18 12:08:20,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:08:20,566 INFO L480 AbstractCegarLoop]: Abstraction has 3883 states and 5311 transitions. [2018-11-18 12:08:20,566 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 12:08:20,566 INFO L276 IsEmpty]: Start isEmpty. Operand 3883 states and 5311 transitions. [2018-11-18 12:08:20,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2018-11-18 12:08:20,571 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:08:20,572 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, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:08:20,572 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:08:20,572 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:08:20,572 INFO L82 PathProgramCache]: Analyzing trace with hash -1010761782, now seen corresponding path program 1 times [2018-11-18 12:08:20,572 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:08:20,573 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:08:20,573 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:08:20,573 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:08:20,574 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:08:20,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:08:20,828 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 189 proven. 115 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-11-18 12:08:20,828 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:08:20,828 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:08:20,828 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 339 with the following transitions: [2018-11-18 12:08:20,829 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], [447], [449], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [760], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 12:08:20,833 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:08:20,833 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:08:21,127 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 12:08:21,128 INFO L272 AbstractInterpreter]: Visited 139 different actions 404 times. Merged at 5 different actions 9 times. Never widened. Performed 4096 root evaluator evaluations with a maximum evaluation depth of 7. Performed 4096 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 12:08:21,130 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:08:21,130 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 12:08:21,475 INFO L227 lantSequenceWeakener]: Weakened 335 states. On average, predicates are now at 80.42% of their original sizes. [2018-11-18 12:08:21,475 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 12:08:21,570 INFO L415 sIntCurrentIteration]: We unified 337 AI predicates to 337 [2018-11-18 12:08:21,571 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 12:08:21,571 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 12:08:21,571 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [7] total 15 [2018-11-18 12:08:21,571 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:08:21,572 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 12:08:21,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 12:08:21,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 12:08:21,572 INFO L87 Difference]: Start difference. First operand 3883 states and 5311 transitions. Second operand 10 states. [2018-11-18 12:09:22,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:09:22,167 INFO L93 Difference]: Finished difference Result 9062 states and 12453 transitions. [2018-11-18 12:09:22,167 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-18 12:09:22,167 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 338 [2018-11-18 12:09:22,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:09:22,185 INFO L225 Difference]: With dead ends: 9062 [2018-11-18 12:09:22,186 INFO L226 Difference]: Without dead ends: 5523 [2018-11-18 12:09:22,199 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 347 GetRequests, 329 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-18 12:09:22,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5523 states. [2018-11-18 12:09:22,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5523 to 5486. [2018-11-18 12:09:22,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5486 states. [2018-11-18 12:09:22,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5486 states to 5486 states and 7100 transitions. [2018-11-18 12:09:22,308 INFO L78 Accepts]: Start accepts. Automaton has 5486 states and 7100 transitions. Word has length 338 [2018-11-18 12:09:22,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:09:22,308 INFO L480 AbstractCegarLoop]: Abstraction has 5486 states and 7100 transitions. [2018-11-18 12:09:22,308 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 12:09:22,308 INFO L276 IsEmpty]: Start isEmpty. Operand 5486 states and 7100 transitions. [2018-11-18 12:09:22,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 487 [2018-11-18 12:09:22,319 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:09:22,319 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:09:22,320 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:09:22,320 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:09:22,320 INFO L82 PathProgramCache]: Analyzing trace with hash -1107811102, now seen corresponding path program 1 times [2018-11-18 12:09:22,320 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:09:22,321 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:09:22,321 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:09:22,321 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:09:22,321 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:09:22,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:09:22,571 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 218 proven. 37 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2018-11-18 12:09:22,571 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:09:22,571 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:09:22,572 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 487 with the following transitions: [2018-11-18 12:09:22,573 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], [447], [449], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [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], [1352], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 12:09:22,578 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:09:22,578 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:09:23,020 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 12:09:23,020 INFO L272 AbstractInterpreter]: Visited 250 different actions 750 times. Merged at 8 different actions 24 times. Never widened. Performed 8441 root evaluator evaluations with a maximum evaluation depth of 18. Performed 8441 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 4 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-18 12:09:23,025 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:09:23,025 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 12:09:23,026 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:09:23,026 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_357fb0b3-b7d4-4bf8-8eca-40702394c15b/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 12:09:23,033 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:09:23,033 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 12:09:23,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:09:23,145 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:09:23,402 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2018-11-18 12:09:23,403 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 12:09:23,508 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2018-11-18 12:09:23,524 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 12:09:23,524 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5] total 7 [2018-11-18 12:09:23,524 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:09:23,525 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 12:09:23,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:09:23,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-18 12:09:23,525 INFO L87 Difference]: Start difference. First operand 5486 states and 7100 transitions. Second operand 3 states. [2018-11-18 12:09:24,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:09:24,443 INFO L93 Difference]: Finished difference Result 10628 states and 13855 transitions. [2018-11-18 12:09:24,444 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:09:24,444 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 486 [2018-11-18 12:09:24,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:09:24,462 INFO L225 Difference]: With dead ends: 10628 [2018-11-18 12:09:24,463 INFO L226 Difference]: Without dead ends: 5486 [2018-11-18 12:09:24,477 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 978 GetRequests, 973 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 12:09:24,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5486 states. [2018-11-18 12:09:24,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5486 to 5486. [2018-11-18 12:09:24,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5486 states. [2018-11-18 12:09:24,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5486 states to 5486 states and 6798 transitions. [2018-11-18 12:09:24,571 INFO L78 Accepts]: Start accepts. Automaton has 5486 states and 6798 transitions. Word has length 486 [2018-11-18 12:09:24,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:09:24,572 INFO L480 AbstractCegarLoop]: Abstraction has 5486 states and 6798 transitions. [2018-11-18 12:09:24,572 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 12:09:24,572 INFO L276 IsEmpty]: Start isEmpty. Operand 5486 states and 6798 transitions. [2018-11-18 12:09:24,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 511 [2018-11-18 12:09:24,584 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:09:24,584 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 12:09:24,585 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:09:24,585 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:09:24,585 INFO L82 PathProgramCache]: Analyzing trace with hash -1522366184, now seen corresponding path program 1 times [2018-11-18 12:09:24,585 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:09:24,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:09:24,586 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:09:24,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:09:24,586 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:09:24,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:09:25,269 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 60 proven. 237 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 12:09:25,269 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:09:25,269 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:09:25,270 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 511 with the following transitions: [2018-11-18 12:09:25,270 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], [447], [449], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [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], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 12:09:25,276 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:09:25,276 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:09:25,560 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 12:09:25,560 INFO L272 AbstractInterpreter]: Visited 248 different actions 743 times. Merged at 7 different actions 21 times. Never widened. Performed 8331 root evaluator evaluations with a maximum evaluation depth of 8. Performed 8331 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Found 3 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-18 12:09:25,566 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:09:25,566 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 12:09:25,832 INFO L227 lantSequenceWeakener]: Weakened 507 states. On average, predicates are now at 80.22% of their original sizes. [2018-11-18 12:09:25,832 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 12:09:25,892 INFO L415 sIntCurrentIteration]: We unified 509 AI predicates to 509 [2018-11-18 12:09:25,892 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 12:09:25,892 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 12:09:25,893 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [5] total 13 [2018-11-18 12:09:25,893 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:09:25,893 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 12:09:25,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 12:09:25,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 12:09:25,894 INFO L87 Difference]: Start difference. First operand 5486 states and 6798 transitions. Second operand 10 states. [2018-11-18 12:09:59,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:09:59,198 INFO L93 Difference]: Finished difference Result 13094 states and 16286 transitions. [2018-11-18 12:09:59,198 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-18 12:09:59,198 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 510 [2018-11-18 12:09:59,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:09:59,211 INFO L225 Difference]: With dead ends: 13094 [2018-11-18 12:09:59,211 INFO L226 Difference]: Without dead ends: 7952 [2018-11-18 12:09:59,221 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 520 GetRequests, 501 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2018-11-18 12:09:59,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7952 states. [2018-11-18 12:09:59,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7952 to 7931. [2018-11-18 12:09:59,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7931 states. [2018-11-18 12:09:59,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7931 states to 7931 states and 9547 transitions. [2018-11-18 12:09:59,337 INFO L78 Accepts]: Start accepts. Automaton has 7931 states and 9547 transitions. Word has length 510 [2018-11-18 12:09:59,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:09:59,338 INFO L480 AbstractCegarLoop]: Abstraction has 7931 states and 9547 transitions. [2018-11-18 12:09:59,338 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 12:09:59,338 INFO L276 IsEmpty]: Start isEmpty. Operand 7931 states and 9547 transitions. [2018-11-18 12:09:59,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 650 [2018-11-18 12:09:59,359 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:09:59,359 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:09:59,359 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:09:59,359 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:09:59,360 INFO L82 PathProgramCache]: Analyzing trace with hash -2068944691, now seen corresponding path program 1 times [2018-11-18 12:09:59,360 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:09:59,360 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:09:59,360 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:09:59,360 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:09:59,360 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:09:59,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:09:59,775 INFO L134 CoverageAnalysis]: Checked inductivity of 868 backedges. 399 proven. 115 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2018-11-18 12:09:59,775 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:09:59,776 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:09:59,776 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 650 with the following transitions: [2018-11-18 12:09:59,776 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], [447], [449], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [860], [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], [1352], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 12:09:59,778 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:09:59,778 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:10:00,174 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 12:10:00,174 INFO L272 AbstractInterpreter]: Visited 251 different actions 1003 times. Merged at 9 different actions 34 times. Widened at 1 different actions 1 times. Performed 11695 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11695 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 7 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-18 12:10:00,177 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:10:00,177 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 12:10:00,177 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:10:00,177 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_357fb0b3-b7d4-4bf8-8eca-40702394c15b/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:10:00,183 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:10:00,183 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 12:10:00,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:10:00,271 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:10:00,483 INFO L134 CoverageAnalysis]: Checked inductivity of 868 backedges. 699 proven. 2 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2018-11-18 12:10:00,483 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 12:10:00,682 INFO L134 CoverageAnalysis]: Checked inductivity of 868 backedges. 399 proven. 115 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2018-11-18 12:10:00,698 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 12:10:00,698 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-18 12:10:00,698 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 12:10:00,699 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 12:10:00,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 12:10:00,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-11-18 12:10:00,699 INFO L87 Difference]: Start difference. First operand 7931 states and 9547 transitions. Second operand 9 states. [2018-11-18 12:10:03,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:10:03,114 INFO L93 Difference]: Finished difference Result 18462 states and 23355 transitions. [2018-11-18 12:10:03,115 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-18 12:10:03,115 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 649 [2018-11-18 12:10:03,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:10:03,139 INFO L225 Difference]: With dead ends: 18462 [2018-11-18 12:10:03,139 INFO L226 Difference]: Without dead ends: 10875 [2018-11-18 12:10:03,155 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1319 GetRequests, 1301 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2018-11-18 12:10:03,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10875 states. [2018-11-18 12:10:03,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10875 to 10157. [2018-11-18 12:10:03,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10157 states. [2018-11-18 12:10:03,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10157 states to 10157 states and 12443 transitions. [2018-11-18 12:10:03,276 INFO L78 Accepts]: Start accepts. Automaton has 10157 states and 12443 transitions. Word has length 649 [2018-11-18 12:10:03,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:10:03,277 INFO L480 AbstractCegarLoop]: Abstraction has 10157 states and 12443 transitions. [2018-11-18 12:10:03,277 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 12:10:03,277 INFO L276 IsEmpty]: Start isEmpty. Operand 10157 states and 12443 transitions. [2018-11-18 12:10:03,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 895 [2018-11-18 12:10:03,291 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:10:03,292 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 12:10:03,292 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:10:03,292 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:10:03,293 INFO L82 PathProgramCache]: Analyzing trace with hash 283515190, now seen corresponding path program 1 times [2018-11-18 12:10:03,293 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:10:03,293 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:10:03,293 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:10:03,293 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:10:03,293 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:10:03,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:10:04,794 INFO L134 CoverageAnalysis]: Checked inductivity of 1434 backedges. 228 proven. 908 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2018-11-18 12:10:04,794 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:10:04,794 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:10:04,795 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 895 with the following transitions: [2018-11-18 12:10:04,795 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], [447], [449], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [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], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [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], [1392], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 12:10:04,798 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:10:04,798 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:10:04,945 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 12:10:04,945 INFO L272 AbstractInterpreter]: Visited 261 different actions 516 times. Merged at 5 different actions 5 times. Never widened. Performed 5491 root evaluator evaluations with a maximum evaluation depth of 9. Performed 5491 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 12:10:04,950 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:10:04,950 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 12:10:05,370 INFO L227 lantSequenceWeakener]: Weakened 891 states. On average, predicates are now at 77.49% of their original sizes. [2018-11-18 12:10:05,370 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 12:10:05,428 INFO L415 sIntCurrentIteration]: We unified 893 AI predicates to 893 [2018-11-18 12:10:05,428 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 12:10:05,428 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 12:10:05,428 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [14] total 22 [2018-11-18 12:10:05,428 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:10:05,429 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 12:10:05,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 12:10:05,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 12:10:05,429 INFO L87 Difference]: Start difference. First operand 10157 states and 12443 transitions. Second operand 10 states. [2018-11-18 12:11:18,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:11:18,636 INFO L93 Difference]: Finished difference Result 20313 states and 24930 transitions. [2018-11-18 12:11:18,636 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 12:11:18,636 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 894 [2018-11-18 12:11:18,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:11:18,669 INFO L225 Difference]: With dead ends: 20313 [2018-11-18 12:11:18,669 INFO L226 Difference]: Without dead ends: 10500 [2018-11-18 12:11:18,691 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 901 GetRequests, 885 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-11-18 12:11:18,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10500 states. [2018-11-18 12:11:18,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10500 to 10497. [2018-11-18 12:11:18,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10497 states. [2018-11-18 12:11:18,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10497 states to 10497 states and 12800 transitions. [2018-11-18 12:11:18,854 INFO L78 Accepts]: Start accepts. Automaton has 10497 states and 12800 transitions. Word has length 894 [2018-11-18 12:11:18,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:11:18,855 INFO L480 AbstractCegarLoop]: Abstraction has 10497 states and 12800 transitions. [2018-11-18 12:11:18,855 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 12:11:18,855 INFO L276 IsEmpty]: Start isEmpty. Operand 10497 states and 12800 transitions. [2018-11-18 12:11:18,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 903 [2018-11-18 12:11:18,875 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:11:18,876 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 12:11:18,876 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:11:18,876 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:11:18,876 INFO L82 PathProgramCache]: Analyzing trace with hash 458120102, now seen corresponding path program 1 times [2018-11-18 12:11:18,876 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:11:18,877 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:11:18,877 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:11:18,877 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:11:18,877 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:11:18,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:11:19,442 INFO L134 CoverageAnalysis]: Checked inductivity of 1442 backedges. 207 proven. 0 refuted. 0 times theorem prover too weak. 1235 trivial. 0 not checked. [2018-11-18 12:11:19,442 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:11:19,443 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 12:11:19,443 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:11:19,443 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 12:11:19,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:11:19,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:11:19,444 INFO L87 Difference]: Start difference. First operand 10497 states and 12800 transitions. Second operand 3 states. [2018-11-18 12:11:20,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:11:20,602 INFO L93 Difference]: Finished difference Result 27014 states and 34597 transitions. [2018-11-18 12:11:20,602 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:11:20,602 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 902 [2018-11-18 12:11:20,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:11:20,661 INFO L225 Difference]: With dead ends: 27014 [2018-11-18 12:11:20,661 INFO L226 Difference]: Without dead ends: 16571 [2018-11-18 12:11:20,705 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:11:20,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16571 states. [2018-11-18 12:11:20,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16571 to 16571. [2018-11-18 12:11:20,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16571 states. [2018-11-18 12:11:20,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16571 states to 16571 states and 18924 transitions. [2018-11-18 12:11:20,955 INFO L78 Accepts]: Start accepts. Automaton has 16571 states and 18924 transitions. Word has length 902 [2018-11-18 12:11:20,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:11:20,955 INFO L480 AbstractCegarLoop]: Abstraction has 16571 states and 18924 transitions. [2018-11-18 12:11:20,956 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 12:11:20,956 INFO L276 IsEmpty]: Start isEmpty. Operand 16571 states and 18924 transitions. [2018-11-18 12:11:20,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 987 [2018-11-18 12:11:20,993 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:11:20,994 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:11:20,994 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:11:20,995 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:11:20,996 INFO L82 PathProgramCache]: Analyzing trace with hash 1399511922, now seen corresponding path program 1 times [2018-11-18 12:11:20,996 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:11:20,996 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:11:20,996 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:11:20,996 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:11:20,997 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:11:21,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:11:21,709 INFO L134 CoverageAnalysis]: Checked inductivity of 1573 backedges. 887 proven. 2 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2018-11-18 12:11:21,709 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:11:21,709 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:11:21,710 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 987 with the following transitions: [2018-11-18 12:11:21,710 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], [447], [449], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [676], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [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], [1393], [1397], [1401], [1405], [1409], [1412], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 12:11:21,713 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:11:21,713 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:11:21,966 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 12:11:21,967 INFO L272 AbstractInterpreter]: Visited 266 different actions 785 times. Merged at 5 different actions 9 times. Never widened. Performed 9199 root evaluator evaluations with a maximum evaluation depth of 9. Performed 9199 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 12:11:21,970 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:11:21,971 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 12:11:22,456 INFO L227 lantSequenceWeakener]: Weakened 983 states. On average, predicates are now at 80.16% of their original sizes. [2018-11-18 12:11:22,456 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 12:11:22,498 INFO L415 sIntCurrentIteration]: We unified 985 AI predicates to 985 [2018-11-18 12:11:22,498 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 12:11:22,498 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 12:11:22,499 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 13 [2018-11-18 12:11:22,499 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:11:22,499 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 12:11:22,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 12:11:22,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 12:11:22,499 INFO L87 Difference]: Start difference. First operand 16571 states and 18924 transitions. Second operand 9 states. [2018-11-18 12:12:48,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:12:48,176 INFO L93 Difference]: Finished difference Result 32476 states and 37216 transitions. [2018-11-18 12:12:48,176 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-18 12:12:48,176 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 986 [2018-11-18 12:12:48,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:12:48,226 INFO L225 Difference]: With dead ends: 32476 [2018-11-18 12:12:48,227 INFO L226 Difference]: Without dead ends: 15498 [2018-11-18 12:12:48,273 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 992 GetRequests, 978 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 12:12:48,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15498 states. [2018-11-18 12:12:48,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15498 to 15488. [2018-11-18 12:12:48,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15488 states. [2018-11-18 12:12:48,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15488 states to 15488 states and 17760 transitions. [2018-11-18 12:12:48,517 INFO L78 Accepts]: Start accepts. Automaton has 15488 states and 17760 transitions. Word has length 986 [2018-11-18 12:12:48,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:12:48,518 INFO L480 AbstractCegarLoop]: Abstraction has 15488 states and 17760 transitions. [2018-11-18 12:12:48,518 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 12:12:48,518 INFO L276 IsEmpty]: Start isEmpty. Operand 15488 states and 17760 transitions. [2018-11-18 12:12:48,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1083 [2018-11-18 12:12:48,536 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:12:48,536 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, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-18 12:12:48,536 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:12:48,536 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:12:48,537 INFO L82 PathProgramCache]: Analyzing trace with hash -951558836, now seen corresponding path program 1 times [2018-11-18 12:12:48,537 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:12:48,537 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:12:48,537 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:12:48,537 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:12:48,537 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:12:48,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:12:49,475 INFO L134 CoverageAnalysis]: Checked inductivity of 2131 backedges. 1025 proven. 2 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2018-11-18 12:12:49,476 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:12:49,476 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:12:49,476 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1083 with the following transitions: [2018-11-18 12:12:49,476 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], [447], [449], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [676], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [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], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1412], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 12:12:49,478 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:12:49,479 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:12:49,917 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 12:12:49,917 INFO L272 AbstractInterpreter]: Visited 268 different actions 1077 times. Merged at 10 different actions 40 times. Widened at 1 different actions 1 times. Performed 12745 root evaluator evaluations with a maximum evaluation depth of 18. Performed 12745 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 12:12:49,919 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:12:49,919 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 12:12:49,919 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:12:49,919 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_357fb0b3-b7d4-4bf8-8eca-40702394c15b/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:12:49,925 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:12:49,925 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 12:12:50,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:12:50,051 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:12:50,464 INFO L134 CoverageAnalysis]: Checked inductivity of 2131 backedges. 1025 proven. 2 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2018-11-18 12:12:50,464 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 12:12:51,046 INFO L134 CoverageAnalysis]: Checked inductivity of 2131 backedges. 1025 proven. 2 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2018-11-18 12:12:51,062 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 12:12:51,063 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-18 12:12:51,063 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 12:12:51,063 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 12:12:51,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 12:12:51,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-11-18 12:12:51,064 INFO L87 Difference]: Start difference. First operand 15488 states and 17760 transitions. Second operand 9 states. [2018-11-18 12:12:53,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:12:53,482 INFO L93 Difference]: Finished difference Result 45647 states and 53523 transitions. [2018-11-18 12:12:53,482 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 12:12:53,482 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1082 [2018-11-18 12:12:53,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:12:53,540 INFO L225 Difference]: With dead ends: 45647 [2018-11-18 12:12:53,540 INFO L226 Difference]: Without dead ends: 26412 [2018-11-18 12:12:53,612 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2179 GetRequests, 2164 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2018-11-18 12:12:53,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26412 states. [2018-11-18 12:12:53,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26412 to 25847. [2018-11-18 12:12:53,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25847 states. [2018-11-18 12:12:53,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25847 states to 25847 states and 28222 transitions. [2018-11-18 12:12:53,938 INFO L78 Accepts]: Start accepts. Automaton has 25847 states and 28222 transitions. Word has length 1082 [2018-11-18 12:12:53,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:12:53,939 INFO L480 AbstractCegarLoop]: Abstraction has 25847 states and 28222 transitions. [2018-11-18 12:12:53,939 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 12:12:53,939 INFO L276 IsEmpty]: Start isEmpty. Operand 25847 states and 28222 transitions. [2018-11-18 12:12:53,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1156 [2018-11-18 12:12:53,951 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:12:53,952 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, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:12:53,952 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:12:53,952 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:12:53,952 INFO L82 PathProgramCache]: Analyzing trace with hash -972115011, now seen corresponding path program 1 times [2018-11-18 12:12:53,952 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:12:53,953 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:12:53,953 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:12:53,953 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:12:53,953 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:12:54,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:12:54,761 INFO L134 CoverageAnalysis]: Checked inductivity of 2131 backedges. 969 proven. 586 refuted. 0 times theorem prover too weak. 576 trivial. 0 not checked. [2018-11-18 12:12:54,761 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:12:54,761 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:12:54,762 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1156 with the following transitions: [2018-11-18 12:12:54,762 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [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], [447], [449], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [676], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [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], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1533], [1537], [1541], [1545], [1549], [1551], [1552], [1556], [1560], [1566], [1570], [1572], [1577], [1578], [1579], [1580], [1581], [1583], [1584] [2018-11-18 12:12:54,766 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:12:54,766 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:12:55,521 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 12:12:55,521 INFO L272 AbstractInterpreter]: Visited 341 different actions 1359 times. Merged at 10 different actions 39 times. Never widened. Performed 16630 root evaluator evaluations with a maximum evaluation depth of 18. Performed 16630 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 12:12:55,523 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:12:55,523 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 12:12:55,524 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:12:55,524 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_357fb0b3-b7d4-4bf8-8eca-40702394c15b/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:12:55,530 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:12:55,530 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 12:12:55,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:12:55,659 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:12:55,982 INFO L134 CoverageAnalysis]: Checked inductivity of 2131 backedges. 249 proven. 0 refuted. 0 times theorem prover too weak. 1882 trivial. 0 not checked. [2018-11-18 12:12:55,982 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 12:12:56,366 INFO L134 CoverageAnalysis]: Checked inductivity of 2131 backedges. 249 proven. 0 refuted. 0 times theorem prover too weak. 1882 trivial. 0 not checked. [2018-11-18 12:12:56,382 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 12:12:56,382 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 9 [2018-11-18 12:12:56,382 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:12:56,382 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 12:12:56,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:12:56,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-11-18 12:12:56,383 INFO L87 Difference]: Start difference. First operand 25847 states and 28222 transitions. Second operand 3 states. [2018-11-18 12:12:57,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:12:57,086 INFO L93 Difference]: Finished difference Result 48644 states and 53276 transitions. [2018-11-18 12:12:57,086 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:12:57,086 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1155 [2018-11-18 12:12:57,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:12:57,141 INFO L225 Difference]: With dead ends: 48644 [2018-11-18 12:12:57,141 INFO L226 Difference]: Without dead ends: 25847 [2018-11-18 12:12:57,192 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2324 GetRequests, 2311 SyntacticMatches, 6 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-11-18 12:12:57,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25847 states. [2018-11-18 12:12:57,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25847 to 25563. [2018-11-18 12:12:57,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25563 states. [2018-11-18 12:12:57,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25563 states to 25563 states and 27484 transitions. [2018-11-18 12:12:57,532 INFO L78 Accepts]: Start accepts. Automaton has 25563 states and 27484 transitions. Word has length 1155 [2018-11-18 12:12:57,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:12:57,532 INFO L480 AbstractCegarLoop]: Abstraction has 25563 states and 27484 transitions. [2018-11-18 12:12:57,533 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 12:12:57,533 INFO L276 IsEmpty]: Start isEmpty. Operand 25563 states and 27484 transitions. [2018-11-18 12:12:57,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1310 [2018-11-18 12:12:57,551 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:12:57,552 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:12:57,552 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:12:57,552 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:12:57,552 INFO L82 PathProgramCache]: Analyzing trace with hash -1649059143, now seen corresponding path program 1 times [2018-11-18 12:12:57,552 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:12:57,553 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:12:57,553 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:12:57,553 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:12:57,553 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:12:57,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:12:58,330 INFO L134 CoverageAnalysis]: Checked inductivity of 2953 backedges. 1167 proven. 2 refuted. 0 times theorem prover too weak. 1784 trivial. 0 not checked. [2018-11-18 12:12:58,331 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:12:58,331 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:12:58,331 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1310 with the following transitions: [2018-11-18 12:12:58,331 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], [447], [449], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [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], [1176], [1177], [1181], [1185], [1188], [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], [1488], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 12:12:58,335 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:12:58,335 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:12:59,102 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 12:12:59,102 INFO L272 AbstractInterpreter]: Visited 287 different actions 1151 times. Merged at 10 different actions 38 times. Widened at 1 different actions 1 times. Performed 13793 root evaluator evaluations with a maximum evaluation depth of 22. Performed 13793 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 11 fixpoints after 5 different actions. Largest state had 24 variables. [2018-11-18 12:12:59,103 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:12:59,104 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 12:12:59,104 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:12:59,104 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_357fb0b3-b7d4-4bf8-8eca-40702394c15b/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:12:59,110 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:12:59,110 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 12:12:59,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:12:59,253 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:12:59,837 INFO L134 CoverageAnalysis]: Checked inductivity of 2953 backedges. 1167 proven. 2 refuted. 0 times theorem prover too weak. 1784 trivial. 0 not checked. [2018-11-18 12:12:59,838 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 12:13:00,526 INFO L134 CoverageAnalysis]: Checked inductivity of 2953 backedges. 1167 proven. 2 refuted. 0 times theorem prover too weak. 1784 trivial. 0 not checked. [2018-11-18 12:13:00,542 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 12:13:00,542 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 11 [2018-11-18 12:13:00,542 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 12:13:00,543 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 12:13:00,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 12:13:00,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-11-18 12:13:00,543 INFO L87 Difference]: Start difference. First operand 25563 states and 27484 transitions. Second operand 10 states. [2018-11-18 12:13:02,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:13:02,561 INFO L93 Difference]: Finished difference Result 51224 states and 55223 transitions. [2018-11-18 12:13:02,562 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 12:13:02,562 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 1309 [2018-11-18 12:13:02,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:13:02,616 INFO L225 Difference]: With dead ends: 51224 [2018-11-18 12:13:02,616 INFO L226 Difference]: Without dead ends: 26005 [2018-11-18 12:13:02,654 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2639 GetRequests, 2620 SyntacticMatches, 4 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2018-11-18 12:13:02,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26005 states. [2018-11-18 12:13:02,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26005 to 25692. [2018-11-18 12:13:02,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25692 states. [2018-11-18 12:13:02,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25692 states to 25692 states and 27164 transitions. [2018-11-18 12:13:02,917 INFO L78 Accepts]: Start accepts. Automaton has 25692 states and 27164 transitions. Word has length 1309 [2018-11-18 12:13:02,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:13:02,918 INFO L480 AbstractCegarLoop]: Abstraction has 25692 states and 27164 transitions. [2018-11-18 12:13:02,918 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 12:13:02,918 INFO L276 IsEmpty]: Start isEmpty. Operand 25692 states and 27164 transitions. [2018-11-18 12:13:02,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1335 [2018-11-18 12:13:02,937 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:13:02,937 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, 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, 8, 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, 2, 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] [2018-11-18 12:13:02,937 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:13:02,938 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:13:02,938 INFO L82 PathProgramCache]: Analyzing trace with hash -285473316, now seen corresponding path program 1 times [2018-11-18 12:13:02,938 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:13:02,939 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:13:02,939 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:13:02,939 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:13:02,939 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:13:03,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:13:03,880 INFO L134 CoverageAnalysis]: Checked inductivity of 3929 backedges. 1351 proven. 2 refuted. 0 times theorem prover too weak. 2576 trivial. 0 not checked. [2018-11-18 12:13:03,881 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:13:03,881 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:13:03,881 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1335 with the following transitions: [2018-11-18 12:13:03,881 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], [447], [449], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [776], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1188], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 12:13:03,883 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:13:03,883 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:13:06,991 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 12:13:06,991 INFO L272 AbstractInterpreter]: Visited 255 different actions 1022 times. Merged at 12 different actions 37 times. Never widened. Performed 11925 root evaluator evaluations with a maximum evaluation depth of 22. Performed 11925 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 14 fixpoints after 6 different actions. Largest state had 24 variables. [2018-11-18 12:13:06,992 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:13:06,993 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 12:13:06,993 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:13:06,993 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_357fb0b3-b7d4-4bf8-8eca-40702394c15b/bin-2019/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:13:06,999 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:13:06,999 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 12:13:07,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:13:07,164 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:13:07,715 INFO L134 CoverageAnalysis]: Checked inductivity of 3929 backedges. 1351 proven. 2 refuted. 0 times theorem prover too weak. 2576 trivial. 0 not checked. [2018-11-18 12:13:07,715 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 12:13:08,329 INFO L134 CoverageAnalysis]: Checked inductivity of 3929 backedges. 1351 proven. 2 refuted. 0 times theorem prover too weak. 2576 trivial. 0 not checked. [2018-11-18 12:13:08,345 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 12:13:08,346 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-18 12:13:08,346 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 12:13:08,346 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 12:13:08,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 12:13:08,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-11-18 12:13:08,347 INFO L87 Difference]: Start difference. First operand 25692 states and 27164 transitions. Second operand 9 states. [2018-11-18 12:13:10,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:13:10,818 INFO L93 Difference]: Finished difference Result 55260 states and 59450 transitions. [2018-11-18 12:13:10,818 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-18 12:13:10,818 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1334 [2018-11-18 12:13:10,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:13:10,866 INFO L225 Difference]: With dead ends: 55260 [2018-11-18 12:13:10,866 INFO L226 Difference]: Without dead ends: 25065 [2018-11-18 12:13:10,924 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2695 GetRequests, 2673 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=145, Invalid=317, Unknown=0, NotChecked=0, Total=462 [2018-11-18 12:13:10,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25065 states. [2018-11-18 12:13:11,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25065 to 24490. [2018-11-18 12:13:11,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24490 states. [2018-11-18 12:13:11,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24490 states to 24490 states and 25749 transitions. [2018-11-18 12:13:11,165 INFO L78 Accepts]: Start accepts. Automaton has 24490 states and 25749 transitions. Word has length 1334 [2018-11-18 12:13:11,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:13:11,166 INFO L480 AbstractCegarLoop]: Abstraction has 24490 states and 25749 transitions. [2018-11-18 12:13:11,166 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 12:13:11,166 INFO L276 IsEmpty]: Start isEmpty. Operand 24490 states and 25749 transitions. [2018-11-18 12:13:11,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1432 [2018-11-18 12:13:11,184 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:13:11,185 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, 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, 8, 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 12:13:11,185 INFO L423 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:13:11,185 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:13:11,185 INFO L82 PathProgramCache]: Analyzing trace with hash -951931427, now seen corresponding path program 1 times [2018-11-18 12:13:11,185 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:13:11,186 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:13:11,186 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:13:11,186 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:13:11,186 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:13:11,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:13:11,951 INFO L134 CoverageAnalysis]: Checked inductivity of 3995 backedges. 333 proven. 0 refuted. 0 times theorem prover too weak. 3662 trivial. 0 not checked. [2018-11-18 12:13:11,951 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:13:11,951 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 12:13:11,951 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:13:11,952 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 12:13:11,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 12:13:11,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 12:13:11,952 INFO L87 Difference]: Start difference. First operand 24490 states and 25749 transitions. Second operand 4 states. [2018-11-18 12:13:12,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:13:12,848 INFO L93 Difference]: Finished difference Result 43505 states and 45818 transitions. [2018-11-18 12:13:12,849 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 12:13:12,849 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1431 [2018-11-18 12:13:12,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:13:12,870 INFO L225 Difference]: With dead ends: 43505 [2018-11-18 12:13:12,870 INFO L226 Difference]: Without dead ends: 14541 [2018-11-18 12:13:12,901 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 12:13:12,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14541 states. [2018-11-18 12:13:13,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14541 to 14541. [2018-11-18 12:13:13,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14541 states. [2018-11-18 12:13:13,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14541 states to 14541 states and 15196 transitions. [2018-11-18 12:13:13,041 INFO L78 Accepts]: Start accepts. Automaton has 14541 states and 15196 transitions. Word has length 1431 [2018-11-18 12:13:13,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:13:13,042 INFO L480 AbstractCegarLoop]: Abstraction has 14541 states and 15196 transitions. [2018-11-18 12:13:13,042 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 12:13:13,042 INFO L276 IsEmpty]: Start isEmpty. Operand 14541 states and 15196 transitions. [2018-11-18 12:13:13,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1796 [2018-11-18 12:13:13,068 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:13:13,069 INFO L375 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2018-11-18 12:13:13,069 INFO L423 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:13:13,069 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:13:13,069 INFO L82 PathProgramCache]: Analyzing trace with hash -1534761307, now seen corresponding path program 1 times [2018-11-18 12:13:13,070 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:13:13,070 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:13:13,070 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:13:13,070 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:13:13,070 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:13:13,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:13:14,369 INFO L134 CoverageAnalysis]: Checked inductivity of 6737 backedges. 1692 proven. 198 refuted. 0 times theorem prover too weak. 4847 trivial. 0 not checked. [2018-11-18 12:13:14,369 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:13:14,369 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:13:14,369 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1796 with the following transitions: [2018-11-18 12:13:14,369 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], [447], [449], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [776], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1188], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1216], [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], [1412], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 12:13:14,372 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:13:14,372 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:13:17,530 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 12:13:17,530 INFO L272 AbstractInterpreter]: Visited 272 different actions 1095 times. Merged at 13 different actions 42 times. Never widened. Performed 12904 root evaluator evaluations with a maximum evaluation depth of 22. Performed 12904 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 16 fixpoints after 7 different actions. Largest state had 24 variables. [2018-11-18 12:13:17,534 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:13:17,535 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 12:13:17,535 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:13:17,535 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_357fb0b3-b7d4-4bf8-8eca-40702394c15b/bin-2019/utaipan/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:13:17,542 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:13:17,542 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 12:13:17,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:13:17,731 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:13:18,567 INFO L134 CoverageAnalysis]: Checked inductivity of 6737 backedges. 3033 proven. 2 refuted. 0 times theorem prover too weak. 3702 trivial. 0 not checked. [2018-11-18 12:13:18,567 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 12:13:19,574 INFO L134 CoverageAnalysis]: Checked inductivity of 6737 backedges. 1692 proven. 198 refuted. 0 times theorem prover too weak. 4847 trivial. 0 not checked. [2018-11-18 12:13:19,590 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 12:13:19,590 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-18 12:13:19,590 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 12:13:19,591 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 12:13:19,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 12:13:19,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-11-18 12:13:19,592 INFO L87 Difference]: Start difference. First operand 14541 states and 15196 transitions. Second operand 9 states. [2018-11-18 12:13:20,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:13:20,867 INFO L93 Difference]: Finished difference Result 25872 states and 26919 transitions. [2018-11-18 12:13:20,868 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-18 12:13:20,868 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1795 [2018-11-18 12:13:20,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:13:20,884 INFO L225 Difference]: With dead ends: 25872 [2018-11-18 12:13:20,884 INFO L226 Difference]: Without dead ends: 14057 [2018-11-18 12:13:20,897 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3607 GetRequests, 3591 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2018-11-18 12:13:20,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14057 states. [2018-11-18 12:13:21,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14057 to 14031. [2018-11-18 12:13:21,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14031 states. [2018-11-18 12:13:21,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14031 states to 14031 states and 14364 transitions. [2018-11-18 12:13:21,018 INFO L78 Accepts]: Start accepts. Automaton has 14031 states and 14364 transitions. Word has length 1795 [2018-11-18 12:13:21,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:13:21,018 INFO L480 AbstractCegarLoop]: Abstraction has 14031 states and 14364 transitions. [2018-11-18 12:13:21,018 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 12:13:21,019 INFO L276 IsEmpty]: Start isEmpty. Operand 14031 states and 14364 transitions. [2018-11-18 12:13:21,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1888 [2018-11-18 12:13:21,037 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:13:21,038 INFO L375 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:13:21,038 INFO L423 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:13:21,038 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:13:21,038 INFO L82 PathProgramCache]: Analyzing trace with hash -2100212566, now seen corresponding path program 1 times [2018-11-18 12:13:21,038 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:13:21,039 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:13:21,039 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:13:21,039 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:13:21,039 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:13:21,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:13:24,338 INFO L134 CoverageAnalysis]: Checked inductivity of 6767 backedges. 2480 proven. 1143 refuted. 0 times theorem prover too weak. 3144 trivial. 0 not checked. [2018-11-18 12:13:24,338 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:13:24,338 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:13:24,339 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1888 with the following transitions: [2018-11-18 12:13:24,339 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [173], [179], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [447], [449], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [776], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1188], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1256], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1533], [1537], [1541], [1545], [1549], [1551], [1552], [1556], [1560], [1566], [1570], [1572], [1577], [1578], [1579], [1580], [1581], [1583], [1584] [2018-11-18 12:13:24,342 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:13:24,342 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:13:27,477 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 12:13:27,477 INFO L272 AbstractInterpreter]: Visited 354 different actions 1412 times. Merged at 13 different actions 40 times. Never widened. Performed 17338 root evaluator evaluations with a maximum evaluation depth of 22. Performed 17338 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 16 fixpoints after 8 different actions. Largest state had 24 variables. [2018-11-18 12:13:27,482 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:13:27,482 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 12:13:27,483 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:13:27,483 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_357fb0b3-b7d4-4bf8-8eca-40702394c15b/bin-2019/utaipan/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:13:27,488 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:13:27,489 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 12:13:27,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:13:27,720 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:13:28,818 INFO L134 CoverageAnalysis]: Checked inductivity of 6767 backedges. 4751 proven. 6 refuted. 0 times theorem prover too weak. 2010 trivial. 0 not checked. [2018-11-18 12:13:28,819 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 12:13:30,740 INFO L134 CoverageAnalysis]: Checked inductivity of 6767 backedges. 1683 proven. 853 refuted. 0 times theorem prover too weak. 4231 trivial. 0 not checked. [2018-11-18 12:13:30,756 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 12:13:30,756 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 8, 8] total 25 [2018-11-18 12:13:30,756 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 12:13:30,757 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-11-18 12:13:30,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-11-18 12:13:30,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=505, Unknown=0, NotChecked=0, Total=600 [2018-11-18 12:13:30,758 INFO L87 Difference]: Start difference. First operand 14031 states and 14364 transitions. Second operand 20 states. [2018-11-18 12:13:38,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:13:38,028 INFO L93 Difference]: Finished difference Result 25981 states and 26686 transitions. [2018-11-18 12:13:38,028 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2018-11-18 12:13:38,028 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 1887 [2018-11-18 12:13:38,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:13:38,043 INFO L225 Difference]: With dead ends: 25981 [2018-11-18 12:13:38,043 INFO L226 Difference]: Without dead ends: 15366 [2018-11-18 12:13:38,051 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3895 GetRequests, 3811 SyntacticMatches, 2 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1896 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1295, Invalid=5677, Unknown=0, NotChecked=0, Total=6972 [2018-11-18 12:13:38,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15366 states. [2018-11-18 12:13:38,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15366 to 14721. [2018-11-18 12:13:38,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14721 states. [2018-11-18 12:13:38,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14721 states to 14721 states and 15048 transitions. [2018-11-18 12:13:38,163 INFO L78 Accepts]: Start accepts. Automaton has 14721 states and 15048 transitions. Word has length 1887 [2018-11-18 12:13:38,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:13:38,163 INFO L480 AbstractCegarLoop]: Abstraction has 14721 states and 15048 transitions. [2018-11-18 12:13:38,163 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-11-18 12:13:38,163 INFO L276 IsEmpty]: Start isEmpty. Operand 14721 states and 15048 transitions. [2018-11-18 12:13:38,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2009 [2018-11-18 12:13:38,186 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:13:38,186 INFO L375 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 6, 6, 6, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:13:38,187 INFO L423 AbstractCegarLoop]: === Iteration 20 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:13:38,187 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:13:38,187 INFO L82 PathProgramCache]: Analyzing trace with hash -705596860, now seen corresponding path program 1 times [2018-11-18 12:13:38,187 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:13:38,187 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:13:38,187 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:13:38,188 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:13:38,188 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:13:38,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:13:40,457 INFO L134 CoverageAnalysis]: Checked inductivity of 7642 backedges. 1287 proven. 885 refuted. 0 times theorem prover too weak. 5470 trivial. 0 not checked. [2018-11-18 12:13:40,457 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:13:40,457 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:13:40,457 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 2009 with the following transitions: [2018-11-18 12:13:40,457 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], [447], [449], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [680], [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], [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], [1056], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1188], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1216], [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], [1412], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 12:13:40,460 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:13:40,460 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:13:41,352 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 12:13:41,353 INFO L272 AbstractInterpreter]: Visited 291 different actions 1168 times. Merged at 12 different actions 39 times. Widened at 1 different actions 1 times. Performed 13999 root evaluator evaluations with a maximum evaluation depth of 22. Performed 13999 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 15 fixpoints after 8 different actions. Largest state had 24 variables. [2018-11-18 12:13:41,354 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:13:41,354 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 12:13:41,354 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:13:41,354 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_357fb0b3-b7d4-4bf8-8eca-40702394c15b/bin-2019/utaipan/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:13:41,361 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:13:41,362 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 12:13:41,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:13:41,567 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:13:42,888 INFO L134 CoverageAnalysis]: Checked inductivity of 7642 backedges. 5053 proven. 2 refuted. 0 times theorem prover too weak. 2587 trivial. 0 not checked. [2018-11-18 12:13:42,888 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 12:13:45,882 INFO L134 CoverageAnalysis]: Checked inductivity of 7642 backedges. 1287 proven. 885 refuted. 0 times theorem prover too weak. 5470 trivial. 0 not checked. [2018-11-18 12:13:45,899 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 12:13:45,899 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-11-18 12:13:45,899 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 12:13:45,900 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-18 12:13:45,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-18 12:13:45,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2018-11-18 12:13:45,901 INFO L87 Difference]: Start difference. First operand 14721 states and 15048 transitions. Second operand 11 states. [2018-11-18 12:13:48,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:13:48,329 INFO L93 Difference]: Finished difference Result 26057 states and 26679 transitions. [2018-11-18 12:13:48,330 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-11-18 12:13:48,330 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 2008 [2018-11-18 12:13:48,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:13:48,347 INFO L225 Difference]: With dead ends: 26057 [2018-11-18 12:13:48,347 INFO L226 Difference]: Without dead ends: 14752 [2018-11-18 12:13:48,356 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4058 GetRequests, 4028 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=210, Invalid=660, Unknown=0, NotChecked=0, Total=870 [2018-11-18 12:13:48,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14752 states. [2018-11-18 12:13:48,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14752 to 14379. [2018-11-18 12:13:48,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14379 states. [2018-11-18 12:13:48,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14379 states to 14379 states and 14672 transitions. [2018-11-18 12:13:48,470 INFO L78 Accepts]: Start accepts. Automaton has 14379 states and 14672 transitions. Word has length 2008 [2018-11-18 12:13:48,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:13:48,471 INFO L480 AbstractCegarLoop]: Abstraction has 14379 states and 14672 transitions. [2018-11-18 12:13:48,471 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-18 12:13:48,471 INFO L276 IsEmpty]: Start isEmpty. Operand 14379 states and 14672 transitions. [2018-11-18 12:13:48,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2251 [2018-11-18 12:13:48,497 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:13:48,498 INFO L375 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:13:48,498 INFO L423 AbstractCegarLoop]: === Iteration 21 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:13:48,498 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:13:48,498 INFO L82 PathProgramCache]: Analyzing trace with hash -1331937096, now seen corresponding path program 1 times [2018-11-18 12:13:48,499 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:13:48,499 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:13:48,499 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:13:48,499 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:13:48,499 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:13:48,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:13:56,010 INFO L134 CoverageAnalysis]: Checked inductivity of 9812 backedges. 1258 proven. 6082 refuted. 0 times theorem prover too weak. 2472 trivial. 0 not checked. [2018-11-18 12:13:56,010 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:13:56,010 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:13:56,010 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 2251 with the following transitions: [2018-11-18 12:13:56,010 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], [447], [449], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [676], [677], [680], [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], [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], [1056], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1188], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1216], [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], [1396], [1397], [1401], [1405], [1409], [1412], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 12:13:56,013 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:13:56,013 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:13:56,900 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 12:13:56,900 INFO L272 AbstractInterpreter]: Visited 293 different actions 1179 times. Merged at 12 different actions 42 times. Widened at 1 different actions 1 times. Performed 14192 root evaluator evaluations with a maximum evaluation depth of 22. Performed 14192 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 18 fixpoints after 11 different actions. Largest state had 24 variables. [2018-11-18 12:13:56,910 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:13:56,911 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 12:13:56,911 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:13:56,911 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_357fb0b3-b7d4-4bf8-8eca-40702394c15b/bin-2019/utaipan/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:13:56,918 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:13:56,918 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 12:13:57,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:13:57,194 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:13:58,621 INFO L134 CoverageAnalysis]: Checked inductivity of 9812 backedges. 5409 proven. 2 refuted. 0 times theorem prover too weak. 4401 trivial. 0 not checked. [2018-11-18 12:13:58,622 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 12:14:00,472 INFO L134 CoverageAnalysis]: Checked inductivity of 9812 backedges. 1034 proven. 749 refuted. 0 times theorem prover too weak. 8029 trivial. 0 not checked. [2018-11-18 12:14:00,488 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 12:14:00,489 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 5, 5] total 30 [2018-11-18 12:14:00,489 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 12:14:00,490 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-11-18 12:14:00,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-11-18 12:14:00,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=742, Unknown=0, NotChecked=0, Total=870 [2018-11-18 12:14:00,490 INFO L87 Difference]: Start difference. First operand 14379 states and 14672 transitions. Second operand 28 states. [2018-11-18 12:14:10,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:14:10,841 INFO L93 Difference]: Finished difference Result 29179 states and 29883 transitions. [2018-11-18 12:14:10,842 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2018-11-18 12:14:10,842 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 2250 [2018-11-18 12:14:10,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:14:10,843 INFO L225 Difference]: With dead ends: 29179 [2018-11-18 12:14:10,843 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 12:14:10,866 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4647 GetRequests, 4549 SyntacticMatches, 7 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2828 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=1286, Invalid=7270, Unknown=0, NotChecked=0, Total=8556 [2018-11-18 12:14:10,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 12:14:10,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 12:14:10,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 12:14:10,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 12:14:10,867 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 2250 [2018-11-18 12:14:10,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:14:10,868 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 12:14:10,868 INFO L481 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-11-18 12:14:10,868 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 12:14:10,868 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 12:14:10,876 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 12:14:10,925 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:10,934 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:11,019 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:11,042 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:11,043 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:11,061 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:11,072 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:11,079 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:11,085 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:11,105 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:11,106 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:11,106 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:11,127 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:11,140 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:11,160 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:11,162 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:11,165 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:11,167 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:11,179 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:11,180 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:11,184 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:11,188 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:11,193 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:11,195 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:11,196 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:11,208 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:11,217 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:11,219 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:11,222 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:11,225 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:11,227 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:11,240 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:11,241 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:11,241 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:11,246 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:11,253 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:11,265 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:11,293 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:11,330 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:11,332 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:11,340 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:11,352 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:11,380 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:11,386 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:11,390 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:11,406 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:11,410 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:11,438 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:11,443 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:11,453 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:11,474 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:11,500 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:11,506 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:11,510 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:11,517 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:11,521 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:11,535 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:11,554 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:11,556 WARN L180 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 501 DAG size of output: 362 [2018-11-18 12:14:11,590 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:11,601 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:11,651 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:11,987 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:12,029 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:12,104 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:12,125 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:12,147 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:12,151 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:12,151 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:12,156 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:12,168 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:12,191 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:12,211 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:12,257 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:12,257 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:12,289 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:12,349 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:12,349 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:12,364 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:12,364 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:12,711 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:12,715 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:12,751 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:12,752 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:12,843 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:12,868 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:12,890 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:12,897 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:12,910 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:12,998 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:13,013 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:13,052 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:13,063 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:13,155 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:13,225 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:13,242 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:13,243 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:13,386 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:13,405 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:13,406 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:13,414 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:13,421 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:13,427 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:13,430 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:13,440 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:13,440 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:13,440 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:13,485 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:13,499 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:13,504 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:13,524 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:13,524 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:13,531 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:13,541 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:13,546 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:13,547 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:13,549 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:13,554 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:13,563 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:13,564 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:13,589 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:13,596 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:13,603 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:13,605 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:13,609 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:13,616 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:13,616 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:13,616 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:13,620 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:13,652 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:13,690 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:13,699 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:13,713 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:13,736 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:13,753 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:13,760 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:13,773 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:13,780 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:13,791 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:13,810 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:13,817 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:13,825 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:13,833 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:14:13,858 WARN L180 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 424 [2018-11-18 12:14:15,120 WARN L180 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 342 DAG size of output: 105 [2018-11-18 12:14:17,349 WARN L180 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 463 DAG size of output: 120 [2018-11-18 12:14:19,294 WARN L180 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 411 DAG size of output: 119 [2018-11-18 12:14:22,273 WARN L180 SmtUtils]: Spent 2.97 s on a formula simplification. DAG size of input: 464 DAG size of output: 150 [2018-11-18 12:14:23,739 WARN L180 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 411 DAG size of output: 108 [2018-11-18 12:14:23,749 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 12:14:23,749 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a16~0)| ~a16~0) (= ~a18~0 |old(~a18~0)|) (= |old(~a15~0)| ~a15~0) (= |old(~a12~0)| ~a12~0)) [2018-11-18 12:14:23,749 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 12:14:23,749 INFO L425 ceAbstractionStarter]: For program point L1497(lines 1497 1763) no Hoare annotation was computed. [2018-11-18 12:14:23,749 INFO L425 ceAbstractionStarter]: For program point calculate_output2EXIT(lines 1494 1765) no Hoare annotation was computed. [2018-11-18 12:14:23,749 INFO L425 ceAbstractionStarter]: For program point L1687(lines 1687 1763) no Hoare annotation was computed. [2018-11-18 12:14:23,749 INFO L425 ceAbstractionStarter]: For program point L1704(lines 1704 1763) no Hoare annotation was computed. [2018-11-18 12:14:23,749 INFO L425 ceAbstractionStarter]: For program point L1638(lines 1638 1763) no Hoare annotation was computed. [2018-11-18 12:14:23,749 INFO L425 ceAbstractionStarter]: For program point L1663(lines 1663 1763) no Hoare annotation was computed. [2018-11-18 12:14:23,749 INFO L425 ceAbstractionStarter]: For program point L1597(lines 1597 1763) no Hoare annotation was computed. [2018-11-18 12:14:23,750 INFO L425 ceAbstractionStarter]: For program point L1721(lines 1721 1763) no Hoare annotation was computed. [2018-11-18 12:14:23,750 INFO L425 ceAbstractionStarter]: For program point L1622(lines 1622 1763) no Hoare annotation was computed. [2018-11-18 12:14:23,750 INFO L425 ceAbstractionStarter]: For program point L1746(lines 1746 1763) no Hoare annotation was computed. [2018-11-18 12:14:23,750 INFO L425 ceAbstractionStarter]: For program point L1515(lines 1515 1763) no Hoare annotation was computed. [2018-11-18 12:14:23,750 INFO L425 ceAbstractionStarter]: For program point L1573(lines 1573 1763) no Hoare annotation was computed. [2018-11-18 12:14:23,750 INFO L425 ceAbstractionStarter]: For program point L1540(lines 1540 1763) no Hoare annotation was computed. [2018-11-18 12:14:23,750 INFO L425 ceAbstractionStarter]: For program point L1656(lines 1656 1763) no Hoare annotation was computed. [2018-11-18 12:14:23,750 INFO L425 ceAbstractionStarter]: For program point L1739(lines 1739 1763) no Hoare annotation was computed. [2018-11-18 12:14:23,750 INFO L425 ceAbstractionStarter]: For program point L1566(lines 1566 1763) no Hoare annotation was computed. [2018-11-18 12:14:23,750 INFO L425 ceAbstractionStarter]: For program point L1591(lines 1591 1763) no Hoare annotation was computed. [2018-11-18 12:14:23,750 INFO L425 ceAbstractionStarter]: For program point L1715(lines 1715 1763) no Hoare annotation was computed. [2018-11-18 12:14:23,750 INFO L425 ceAbstractionStarter]: For program point L1682(lines 1682 1763) no Hoare annotation was computed. [2018-11-18 12:14:23,750 INFO L425 ceAbstractionStarter]: For program point L1616(lines 1616 1763) no Hoare annotation was computed. [2018-11-18 12:14:23,750 INFO L425 ceAbstractionStarter]: For program point L1699(lines 1699 1763) no Hoare annotation was computed. [2018-11-18 12:14:23,750 INFO L425 ceAbstractionStarter]: For program point L1633(lines 1633 1763) no Hoare annotation was computed. [2018-11-18 12:14:23,750 INFO L425 ceAbstractionStarter]: For program point L1534(lines 1534 1763) no Hoare annotation was computed. [2018-11-18 12:14:23,750 INFO L425 ceAbstractionStarter]: For program point L1757(lines 1757 1763) no Hoare annotation was computed. [2018-11-18 12:14:23,750 INFO L425 ceAbstractionStarter]: For program point L1559(lines 1559 1763) no Hoare annotation was computed. [2018-11-18 12:14:23,751 INFO L425 ceAbstractionStarter]: For program point L1675(lines 1675 1763) no Hoare annotation was computed. [2018-11-18 12:14:23,751 INFO L425 ceAbstractionStarter]: For program point L1609(lines 1609 1763) no Hoare annotation was computed. [2018-11-18 12:14:23,751 INFO L425 ceAbstractionStarter]: For program point L1510(lines 1510 1763) no Hoare annotation was computed. [2018-11-18 12:14:23,751 INFO L425 ceAbstractionStarter]: For program point L1733(lines 1733 1763) no Hoare annotation was computed. [2018-11-18 12:14:23,751 INFO L421 ceAbstractionStarter]: At program point calculate_output2ENTRY(lines 1494 1765) the Hoare annotation is: (let ((.cse12 (= 8 |old(~a12~0)|))) (let ((.cse17 (= |old(~a15~0)| ~a15~0)) (.cse23 (= ~a16~0 |old(~a16~0)|)) (.cse18 (= ~a18~0 |old(~a18~0)|)) (.cse20 (= |old(~a12~0)| ~a12~0)) (.cse4 (not .cse12)) (.cse0 (not (= 3 |old(~a15~0)|))) (.cse1 (not (= 11 |old(~a16~0)|))) (.cse10 (= 4 |old(~a15~0)|))) (let ((.cse21 (not (= 10 |old(~a16~0)|))) (.cse6 (not .cse10)) (.cse11 (< |old(~a16~0)| 12)) (.cse19 (= ~a16~0 10)) (.cse22 (not (= |old(~a16~0)| 10))) (.cse9 (and (or .cse0 .cse4 .cse1) (or .cse0 (= 0 |old(~a18~0)|) (= 0 |old(~a12~0)|) .cse1))) (.cse2 (and .cse17 .cse23 .cse18 .cse20)) (.cse3 (not (= 8 |old(~a16~0)|))) (.cse7 (< |old(~a12~0)| 6)) (.cse13 (and (= |old(~a16~0)| ~a16~0) .cse17 .cse20)) (.cse16 (not (= 5 |old(~a12~0)|))) (.cse14 (<= (+ ~a18~0 156) 0)) (.cse8 (not (= 9 |old(~a16~0)|))) (.cse15 (< 0 (+ |old(~a18~0)| 156)))) (and (or (or .cse0 .cse1) .cse2 (not (= 9 |old(~a12~0)|))) (or .cse2 (or .cse3 .cse4) (forall ((v_prenex_3 Int)) (let ((.cse5 (* 5 (div (* 10 v_prenex_3) (- 5))))) (or (< |old(~a18~0)| (div .cse5 5)) (< .cse5 5) (< 0 (+ v_prenex_3 79)))))) (or .cse6 .cse7 .cse2 .cse8) (or .cse9 .cse4 .cse2) (or .cse2 .cse10 .cse7 .cse11) (or .cse3 .cse10 .cse12 .cse13) (or .cse3 .cse10 .cse14 .cse15) (or .cse6 .cse3 .cse7 .cse2) (or .cse2 (or .cse0 (not (= 7 |old(~a12~0)|)) .cse1)) (or .cse6 .cse16 .cse2 .cse8) (or .cse6 (and .cse17 .cse18 .cse19 .cse20) .cse21 (< 7 |old(~a12~0)|)) (or .cse0 .cse16 .cse21 .cse14 .cse15) (or .cse0 .cse16 (and .cse17 (= 9 ~a16~0) .cse20) .cse8) (or (or .cse0 .cse16) (and .cse17 .cse19 .cse20) .cse22) (or .cse6 .cse2 .cse3 .cse16) (or .cse0 .cse16 .cse2 .cse11) (or .cse16 .cse9 (and .cse23 .cse18 (= ~a12~0 5) .cse17)) (or .cse10 .cse7 .cse14 .cse15 .cse22) (or .cse10 (and .cse19 .cse17 .cse20) .cse7 .cse22) (or .cse7 .cse14 .cse8 .cse15) (or .cse9 .cse2 (not (= 6 |old(~a12~0)|))) (or .cse3 .cse13 .cse10 .cse15) (or .cse7 .cse13 .cse8) (or .cse0 .cse16 .cse14 .cse8 .cse15))))) [2018-11-18 12:14:23,751 INFO L425 ceAbstractionStarter]: For program point L1527(lines 1527 1763) no Hoare annotation was computed. [2018-11-18 12:14:23,751 INFO L425 ceAbstractionStarter]: For program point L1651(lines 1651 1763) no Hoare annotation was computed. [2018-11-18 12:14:23,751 INFO L425 ceAbstractionStarter]: For program point L1585(lines 1585 1763) no Hoare annotation was computed. [2018-11-18 12:14:23,751 INFO L425 ceAbstractionStarter]: For program point L1709(lines 1709 1763) no Hoare annotation was computed. [2018-11-18 12:14:23,752 INFO L425 ceAbstractionStarter]: For program point L1503(lines 1503 1763) no Hoare annotation was computed. [2018-11-18 12:14:23,752 INFO L425 ceAbstractionStarter]: For program point L1693(lines 1693 1763) no Hoare annotation was computed. [2018-11-18 12:14:23,752 INFO L425 ceAbstractionStarter]: For program point L1553(lines 1553 1763) no Hoare annotation was computed. [2018-11-18 12:14:23,752 INFO L425 ceAbstractionStarter]: For program point calculate_output2FINAL(lines 1494 1765) no Hoare annotation was computed. [2018-11-18 12:14:23,752 INFO L425 ceAbstractionStarter]: For program point L1669(lines 1669 1763) no Hoare annotation was computed. [2018-11-18 12:14:23,752 INFO L425 ceAbstractionStarter]: For program point L1603(lines 1603 1763) no Hoare annotation was computed. [2018-11-18 12:14:23,752 INFO L425 ceAbstractionStarter]: For program point L1727(lines 1727 1763) no Hoare annotation was computed. [2018-11-18 12:14:23,752 INFO L425 ceAbstractionStarter]: For program point L1628(lines 1628 1763) no Hoare annotation was computed. [2018-11-18 12:14:23,752 INFO L425 ceAbstractionStarter]: For program point L1752(lines 1752 1763) no Hoare annotation was computed. [2018-11-18 12:14:23,752 INFO L425 ceAbstractionStarter]: For program point L1521(lines 1521 1763) no Hoare annotation was computed. [2018-11-18 12:14:23,752 INFO L425 ceAbstractionStarter]: For program point L1645(lines 1645 1763) no Hoare annotation was computed. [2018-11-18 12:14:23,752 INFO L425 ceAbstractionStarter]: For program point L1579(lines 1579 1763) no Hoare annotation was computed. [2018-11-18 12:14:23,752 INFO L425 ceAbstractionStarter]: For program point L1546(lines 1546 1763) no Hoare annotation was computed. [2018-11-18 12:14:23,752 INFO L425 ceAbstractionStarter]: For program point L894(lines 894 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,752 INFO L425 ceAbstractionStarter]: For program point L828(lines 828 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,753 INFO L425 ceAbstractionStarter]: For program point L696(lines 696 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,753 INFO L425 ceAbstractionStarter]: For program point L1291(lines 1291 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,753 INFO L425 ceAbstractionStarter]: For program point L168-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:14:23,753 INFO L425 ceAbstractionStarter]: For program point L102-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:14:23,753 INFO L425 ceAbstractionStarter]: For program point L36-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:14:23,753 INFO L425 ceAbstractionStarter]: For program point L961(lines 961 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,753 INFO L425 ceAbstractionStarter]: For program point L763(lines 763 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,753 INFO L425 ceAbstractionStarter]: For program point L631(lines 631 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,753 INFO L425 ceAbstractionStarter]: For program point L367(lines 367 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,753 INFO L425 ceAbstractionStarter]: For program point L1358(lines 1358 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,753 INFO L425 ceAbstractionStarter]: For program point L235(lines 235 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,753 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-18 12:14:23,753 INFO L425 ceAbstractionStarter]: For program point L1160(lines 1160 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,753 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-18 12:14:23,753 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 124) no Hoare annotation was computed. [2018-11-18 12:14:23,754 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-18 12:14:23,754 INFO L421 ceAbstractionStarter]: At program point L1491(line 1491) the Hoare annotation is: (let ((.cse9 (= 8 |old(~a12~0)|)) (.cse30 (+ ~a18~0 156))) (let ((.cse3 (<= .cse30 0)) (.cse29 (= |old(~a16~0)| ~a16~0)) (.cse15 (= 4 |old(~a15~0)|)) (.cse10 (= |old(~a15~0)| ~a15~0)) (.cse17 (not (= calculate_output_~input 0))) (.cse26 (= ~a16~0 |old(~a16~0)|)) (.cse11 (= ~a18~0 |old(~a18~0)|)) (.cse13 (= |old(~a12~0)| ~a12~0)) (.cse19 (not .cse9)) (.cse0 (not (= 3 |old(~a15~0)|))) (.cse28 (not (= 11 |old(~a16~0)|)))) (let ((.cse6 (< |old(~a16~0)| 12)) (.cse12 (= ~a16~0 10)) (.cse4 (not (= 10 |old(~a16~0)|))) (.cse23 (and (or .cse0 .cse19 .cse28) (or .cse0 (= 0 |old(~a18~0)|) .cse28))) (.cse7 (and .cse10 .cse17 .cse26 .cse11 .cse13)) (.cse24 (< 0 .cse30)) (.cse8 (not .cse15)) (.cse18 (and .cse10 .cse26 .cse11 .cse13)) (.cse27 (= 6 |old(~a12~0)|)) (.cse14 (not (= 8 |old(~a16~0)|))) (.cse20 (and .cse3 (not (= ~a12~0 6)) (= 8 ~a16~0) (not (= ~a15~0 4)) .cse29 .cse10 .cse13)) (.cse5 (< 0 (+ |old(~a18~0)| 156))) (.cse25 (< |old(~a12~0)| 6)) (.cse16 (and .cse29 .cse10 .cse13)) (.cse22 (not (= 9 |old(~a16~0)|))) (.cse1 (not (= 5 |old(~a12~0)|))) (.cse2 (= |calculate_output_#in~input| 0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse6 .cse2 .cse7) (or .cse8 .cse9 (< 8 |old(~a12~0)|) .cse4 (and .cse10 .cse11 .cse12 .cse13)) (or .cse14 .cse15 .cse9 .cse16) (or .cse14 .cse2 (or .cse0 .cse1) .cse17) (or .cse14 .cse18 .cse19 .cse20 (forall ((v_prenex_3 Int)) (let ((.cse21 (* 5 (div (* 10 v_prenex_3) (- 5))))) (or (< |old(~a18~0)| (div .cse21 5)) (< .cse21 5) (< 0 (+ v_prenex_3 79)))))) (or .cse0 .cse1 .cse3 .cse2 .cse22 .cse5) (or .cse19 .cse2 .cse23 (or (not (= calculate_output_~input 3)) .cse24)) (or .cse25 .cse3 .cse22 .cse5) (or .cse3 .cse15 .cse25 .cse4 .cse5) (or .cse0 .cse1 .cse2 (and .cse10 .cse17 .cse12 .cse13) .cse4) (or .cse15 .cse25 .cse6 .cse18) (or (and .cse12 .cse10 .cse13) .cse15 .cse25 .cse4) (or .cse1 .cse2 (and .cse3 .cse10 (= ~a16~0 11) .cse17 .cse13) (and .cse17 .cse26 .cse11 (= ~a12~0 5) .cse10) .cse23) (or .cse8 .cse18 .cse25 .cse22) (or .cse7 (or .cse2 .cse23 (not .cse27))) (or (or .cse0 (not (= 7 |old(~a12~0)|)) .cse28 .cse2) .cse7) (or .cse19 .cse2 .cse23 .cse7) (or .cse8 .cse14 .cse18 .cse25) (or (or .cse0 .cse28 .cse2) (and .cse10 .cse26 .cse17 .cse11 .cse13) (not (= 9 |old(~a12~0)|))) (or .cse0 .cse1 .cse2 (and .cse10 (= 9 ~a16~0) .cse17 .cse13) .cse22) (or (and .cse10 .cse26 .cse11 (or (not (= calculate_output_~input 4)) .cse24) .cse13) (or .cse8 .cse1 .cse22)) (or .cse8 .cse14 .cse1 .cse18) (or .cse14 .cse15 .cse3 .cse5) (or .cse27 .cse14 .cse20 .cse15 .cse5) (or .cse25 .cse16 .cse22) (or .cse0 .cse1 (<= 0 (+ ~a18~0 87)) .cse28 .cse2 (not (= (+ |old(~a18~0)| 87) 0))))))) [2018-11-18 12:14:23,754 INFO L425 ceAbstractionStarter]: For program point L434(lines 434 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,754 INFO L425 ceAbstractionStarter]: For program point L1491-1(line 1491) no Hoare annotation was computed. [2018-11-18 12:14:23,754 INFO L425 ceAbstractionStarter]: For program point L1227(lines 1227 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,754 INFO L425 ceAbstractionStarter]: For program point L567(lines 567 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,754 INFO L425 ceAbstractionStarter]: For program point L501(lines 501 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,754 INFO L425 ceAbstractionStarter]: For program point L303(lines 303 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,755 INFO L425 ceAbstractionStarter]: For program point L171-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:14:23,755 INFO L425 ceAbstractionStarter]: For program point L105-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:14:23,755 INFO L425 ceAbstractionStarter]: For program point L39-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:14:23,755 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-18 12:14:23,755 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-18 12:14:23,755 INFO L425 ceAbstractionStarter]: For program point L1097(lines 1097 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,755 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-18 12:14:23,755 INFO L425 ceAbstractionStarter]: For program point L1031(lines 1031 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,755 INFO L425 ceAbstractionStarter]: For program point L899(lines 899 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,755 INFO L425 ceAbstractionStarter]: For program point L1428(lines 1428 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,755 INFO L425 ceAbstractionStarter]: For program point L834(lines 834 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,755 INFO L425 ceAbstractionStarter]: For program point L636(lines 636 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,755 INFO L425 ceAbstractionStarter]: For program point L1297(lines 1297 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,755 INFO L425 ceAbstractionStarter]: For program point L240(lines 240 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,755 INFO L425 ceAbstractionStarter]: For program point L174-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:14:23,755 INFO L425 ceAbstractionStarter]: For program point L108-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:14:23,755 INFO L425 ceAbstractionStarter]: For program point L42-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:14:23,755 INFO L425 ceAbstractionStarter]: For program point L967(lines 967 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,756 INFO L425 ceAbstractionStarter]: For program point L769(lines 769 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,756 INFO L425 ceAbstractionStarter]: For program point L703(lines 703 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,756 INFO L425 ceAbstractionStarter]: For program point L373(lines 373 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,756 INFO L425 ceAbstractionStarter]: For program point L1364(lines 1364 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,756 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-18 12:14:23,756 INFO L425 ceAbstractionStarter]: For program point L1166(lines 1166 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,756 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-18 12:14:23,756 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-18 12:14:23,756 INFO L425 ceAbstractionStarter]: For program point L440(lines 440 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,756 INFO L425 ceAbstractionStarter]: For program point L573(lines 573 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,756 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,756 INFO L425 ceAbstractionStarter]: For program point L1234(lines 1234 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,756 INFO L425 ceAbstractionStarter]: For program point L177-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:14:23,756 INFO L425 ceAbstractionStarter]: For program point L111-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:14:23,756 INFO L425 ceAbstractionStarter]: For program point L45-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:14:23,756 INFO L425 ceAbstractionStarter]: For program point L1036(lines 1036 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,756 INFO L425 ceAbstractionStarter]: For program point L706(lines 706 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,756 INFO L425 ceAbstractionStarter]: For program point L508(lines 508 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,756 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-18 12:14:23,756 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-18 12:14:23,756 INFO L425 ceAbstractionStarter]: For program point L1103(lines 1103 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,756 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-18 12:14:23,756 INFO L425 ceAbstractionStarter]: For program point L905(lines 905 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,756 INFO L425 ceAbstractionStarter]: For program point L641(lines 641 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,756 INFO L425 ceAbstractionStarter]: For program point L443(lines 443 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,756 INFO L425 ceAbstractionStarter]: For program point L1434(lines 1434 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,756 INFO L425 ceAbstractionStarter]: For program point L840(lines 840 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,757 INFO L425 ceAbstractionStarter]: For program point L1303(lines 1303 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,757 INFO L425 ceAbstractionStarter]: For program point L246(lines 246 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,757 INFO L425 ceAbstractionStarter]: For program point L180-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:14:23,757 INFO L425 ceAbstractionStarter]: For program point L114-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:14:23,757 INFO L425 ceAbstractionStarter]: For program point L48-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:14:23,757 INFO L425 ceAbstractionStarter]: For program point L775(lines 775 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,757 INFO L425 ceAbstractionStarter]: For program point L1370(lines 1370 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,757 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-18 12:14:23,757 INFO L425 ceAbstractionStarter]: For program point L1172(lines 1172 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,757 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-18 12:14:23,757 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-18 12:14:23,757 INFO L425 ceAbstractionStarter]: For program point L974(lines 974 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,757 INFO L425 ceAbstractionStarter]: For program point L578(lines 578 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,757 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,757 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,757 INFO L425 ceAbstractionStarter]: For program point L183-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:14:23,757 INFO L425 ceAbstractionStarter]: For program point L117-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:14:23,757 INFO L425 ceAbstractionStarter]: For program point L51-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:14:23,757 INFO L425 ceAbstractionStarter]: For program point L1042(lines 1042 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,757 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:14:23,757 INFO L425 ceAbstractionStarter]: For program point L778(lines 778 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,757 INFO L425 ceAbstractionStarter]: For program point L712(lines 712 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,757 INFO L425 ceAbstractionStarter]: For program point L1241(lines 1241 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,757 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-18 12:14:23,758 INFO L425 ceAbstractionStarter]: For program point L1175(lines 1175 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,758 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-18 12:14:23,758 INFO L425 ceAbstractionStarter]: For program point L1109(lines 1109 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,758 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-18 12:14:23,758 INFO L425 ceAbstractionStarter]: For program point L515(lines 515 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,758 INFO L425 ceAbstractionStarter]: For program point L449(lines 449 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,758 INFO L425 ceAbstractionStarter]: For program point L1440(lines 1440 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,758 INFO L425 ceAbstractionStarter]: For program point L912(lines 912 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,758 INFO L425 ceAbstractionStarter]: For program point L846(lines 846 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,758 INFO L425 ceAbstractionStarter]: For program point L648(lines 648 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,758 INFO L425 ceAbstractionStarter]: For program point L1375(lines 1375 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,758 INFO L425 ceAbstractionStarter]: For program point L1309(lines 1309 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,758 INFO L425 ceAbstractionStarter]: For program point L252(lines 252 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,758 INFO L425 ceAbstractionStarter]: For program point L186-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:14:23,758 INFO L425 ceAbstractionStarter]: For program point L120-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:14:23,758 INFO L425 ceAbstractionStarter]: For program point L54-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:14:23,758 INFO L425 ceAbstractionStarter]: For program point L979(lines 979 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,758 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-18 12:14:23,758 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-18 12:14:23,758 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-18 12:14:23,758 INFO L425 ceAbstractionStarter]: For program point L584(lines 584 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,758 INFO L425 ceAbstractionStarter]: For program point L386(lines 386 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,758 INFO L425 ceAbstractionStarter]: For program point L717(lines 717 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,759 INFO L425 ceAbstractionStarter]: For program point L321(lines 321 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,759 INFO L425 ceAbstractionStarter]: For program point L189-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:14:23,759 INFO L425 ceAbstractionStarter]: For program point L123-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:14:23,759 INFO L425 ceAbstractionStarter]: For program point L1114(lines 1114 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,759 INFO L425 ceAbstractionStarter]: For program point L57-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:14:23,759 INFO L425 ceAbstractionStarter]: For program point L1048(lines 1048 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,759 INFO L425 ceAbstractionStarter]: For program point L784(lines 784 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,759 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,759 INFO L425 ceAbstractionStarter]: For program point L1247(lines 1247 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,759 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-18 12:14:23,759 INFO L425 ceAbstractionStarter]: For program point L1181(lines 1181 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,759 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-18 12:14:23,759 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-18 12:14:23,759 INFO L425 ceAbstractionStarter]: For program point L917(lines 917 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,759 INFO L425 ceAbstractionStarter]: For program point L851(lines 851 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,759 INFO L425 ceAbstractionStarter]: For program point L521(lines 521 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,759 INFO L425 ceAbstractionStarter]: For program point L1446(lines 1446 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,759 INFO L425 ceAbstractionStarter]: For program point L1314(lines 1314 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,759 INFO L425 ceAbstractionStarter]: For program point L257(lines 257 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,759 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 23 1492) the Hoare annotation is: (let ((.cse18 (= 8 |old(~a12~0)|))) (let ((.cse20 (not .cse18)) (.cse10 (not (= 3 |old(~a15~0)|))) (.cse11 (not (= 11 |old(~a16~0)|))) (.cse8 (= |old(~a15~0)| ~a15~0)) (.cse6 (= ~a16~0 |old(~a16~0)|)) (.cse7 (= ~a18~0 |old(~a18~0)|)) (.cse23 (= |old(~a12~0)| ~a12~0)) (.cse15 (= 4 |old(~a15~0)|))) (let ((.cse16 (< |old(~a16~0)| 12)) (.cse0 (not .cse15)) (.cse2 (and .cse8 .cse6 .cse7 .cse23)) (.cse9 (and (or .cse10 .cse20 .cse11) (or .cse10 (= 0 |old(~a18~0)|) .cse11))) (.cse17 (not (= 8 |old(~a16~0)|))) (.cse19 (and (= |old(~a16~0)| ~a16~0) .cse8 .cse23)) (.cse12 (<= (+ ~a18~0 156) 0)) (.cse14 (< 0 (+ |old(~a18~0)| 156))) (.cse4 (not (= 5 |old(~a12~0)|))) (.cse5 (= |calculate_output_#in~input| 0)) (.cse3 (not (= 9 |old(~a16~0)|))) (.cse1 (< |old(~a12~0)| 6)) (.cse22 (= ~a16~0 10)) (.cse13 (not (= 10 |old(~a16~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 (and .cse6 .cse7 (= ~a12~0 5) .cse8) .cse9) (or (or .cse10 (not (= 7 |old(~a12~0)|)) .cse11 .cse5) .cse2) (or .cse10 .cse4 .cse12 .cse5 .cse13 .cse14) (or .cse2 .cse15 .cse1 .cse16) (or .cse17 .cse15 .cse18 .cse19) (or .cse10 .cse4 .cse2 .cse16 .cse5) (or .cse17 .cse15 .cse12 .cse14) (or (or .cse10 .cse11 .cse5) (not (= 9 |old(~a12~0)|)) .cse2) (or .cse0 .cse17 .cse1 .cse2) (or .cse20 .cse5 .cse9 .cse2) (or .cse17 (forall ((v_prenex_3 Int)) (let ((.cse21 (* 5 (div (* 10 v_prenex_3) (- 5))))) (or (< |old(~a18~0)| (div .cse21 5)) (< .cse21 5) (< 0 (+ v_prenex_3 79))))) .cse20 .cse2) (or .cse10 .cse4 (and .cse8 .cse22 .cse23) .cse5 .cse13) (or .cse0 (and .cse8 .cse7 .cse22 .cse23) .cse13 (< 7 |old(~a12~0)|)) (or .cse10 .cse4 .cse12 .cse5 .cse3 .cse14) (or .cse0 .cse2 .cse17 .cse4) (or .cse2 (or .cse0 .cse4 .cse3)) (or .cse1 .cse12 .cse3 .cse14) (or .cse1 .cse19 .cse3) (or .cse2 (or .cse5 .cse9 (not (= 6 |old(~a12~0)|)))) (or .cse17 .cse19 .cse15 .cse14) (or .cse12 .cse15 .cse1 .cse13 .cse14) (or .cse10 .cse4 (and .cse8 (= 9 ~a16~0) .cse23) .cse5 .cse3) (or .cse15 .cse1 (and .cse22 .cse8 .cse23) .cse13))))) [2018-11-18 12:14:23,759 INFO L425 ceAbstractionStarter]: For program point L1381(lines 1381 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,760 INFO L425 ceAbstractionStarter]: For program point L192-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:14:23,760 INFO L425 ceAbstractionStarter]: For program point L126-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:14:23,760 INFO L425 ceAbstractionStarter]: For program point L60-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:14:23,760 INFO L425 ceAbstractionStarter]: For program point L655(lines 655 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,760 INFO L425 ceAbstractionStarter]: For program point L589(lines 589 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,760 INFO L425 ceAbstractionStarter]: For program point L457(lines 457 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,760 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,760 INFO L425 ceAbstractionStarter]: For program point L1250(lines 1250 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,760 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-18 12:14:23,760 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-18 12:14:23,760 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-18 12:14:23,760 INFO L425 ceAbstractionStarter]: For program point L986(lines 986 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,760 INFO L425 ceAbstractionStarter]: For program point L1449(lines 1449 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,760 INFO L425 ceAbstractionStarter]: For program point L789(lines 789 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,760 INFO L425 ceAbstractionStarter]: For program point L723(lines 723 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,760 INFO L425 ceAbstractionStarter]: For program point L327(lines 327 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,760 INFO L425 ceAbstractionStarter]: For program point L195-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:14:23,760 INFO L425 ceAbstractionStarter]: For program point L129-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:14:23,760 INFO L425 ceAbstractionStarter]: For program point L1120(lines 1120 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,760 INFO L425 ceAbstractionStarter]: For program point L63-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:14:23,760 INFO L425 ceAbstractionStarter]: For program point L922(lines 922 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,760 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,760 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-18 12:14:23,760 INFO L425 ceAbstractionStarter]: For program point L1187(lines 1187 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,760 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-18 12:14:23,760 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-18 12:14:23,761 INFO L425 ceAbstractionStarter]: For program point L1055(lines 1055 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,761 INFO L425 ceAbstractionStarter]: For program point L857(lines 857 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,761 INFO L425 ceAbstractionStarter]: For program point L527(lines 527 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,761 INFO L425 ceAbstractionStarter]: For program point L1386(lines 1386 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,761 INFO L425 ceAbstractionStarter]: For program point L594(lines 594 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,761 INFO L425 ceAbstractionStarter]: For program point L1321(lines 1321 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,761 INFO L425 ceAbstractionStarter]: For program point L198-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:14:23,761 INFO L425 ceAbstractionStarter]: For program point L132-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:14:23,761 INFO L425 ceAbstractionStarter]: For program point L66-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:14:23,761 INFO L425 ceAbstractionStarter]: For program point L661(lines 661 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,761 INFO L425 ceAbstractionStarter]: For program point L463(lines 463 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,761 INFO L425 ceAbstractionStarter]: For program point L1256(lines 1256 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,761 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-18 12:14:23,761 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-18 12:14:23,761 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-18 12:14:23,761 INFO L425 ceAbstractionStarter]: For program point L728(lines 728 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,761 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,761 INFO L425 ceAbstractionStarter]: For program point L1125(lines 1125 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,761 INFO L425 ceAbstractionStarter]: For program point L993(lines 993 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,761 INFO L425 ceAbstractionStarter]: For program point L1456(lines 1456 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,761 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,761 INFO L425 ceAbstractionStarter]: For program point L201-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:14:23,761 INFO L425 ceAbstractionStarter]: For program point L135-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:14:23,761 INFO L425 ceAbstractionStarter]: For program point L69-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:14:23,761 INFO L425 ceAbstractionStarter]: For program point L796(lines 796 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,761 INFO L425 ceAbstractionStarter]: For program point L664(lines 664 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,761 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,762 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-18 12:14:23,762 INFO L425 ceAbstractionStarter]: For program point L1193(lines 1193 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,762 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-18 12:14:23,762 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-18 12:14:23,762 INFO L425 ceAbstractionStarter]: For program point L1061(lines 1061 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,762 INFO L425 ceAbstractionStarter]: For program point L929(lines 929 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,762 INFO L425 ceAbstractionStarter]: For program point L863(lines 863 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,762 INFO L425 ceAbstractionStarter]: For program point L533(lines 533 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,762 INFO L425 ceAbstractionStarter]: For program point L1392(lines 1392 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,762 INFO L425 ceAbstractionStarter]: For program point L600(lines 600 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,762 INFO L425 ceAbstractionStarter]: For program point L1327(lines 1327 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,762 INFO L425 ceAbstractionStarter]: For program point L204-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:14:23,762 INFO L425 ceAbstractionStarter]: For program point L138-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:14:23,762 INFO L425 ceAbstractionStarter]: For program point L72-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:14:23,762 INFO L425 ceAbstractionStarter]: For program point L469(lines 469 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,762 INFO L425 ceAbstractionStarter]: For program point L1262(lines 1262 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,762 INFO L425 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2018-11-18 12:14:23,762 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-18 12:14:23,762 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-18 12:14:23,762 INFO L425 ceAbstractionStarter]: For program point L734(lines 734 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,762 INFO L425 ceAbstractionStarter]: For program point L1461(lines 1461 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,762 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,762 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,762 INFO L425 ceAbstractionStarter]: For program point L1131(lines 1131 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,762 INFO L425 ceAbstractionStarter]: For program point L999(lines 999 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,763 INFO L425 ceAbstractionStarter]: For program point L141-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:14:23,763 INFO L425 ceAbstractionStarter]: For program point L75-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:14:23,763 INFO L425 ceAbstractionStarter]: For program point L802(lines 802 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,763 INFO L425 ceAbstractionStarter]: For program point L670(lines 670 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,763 INFO L425 ceAbstractionStarter]: For program point L538(lines 538 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,763 INFO L425 ceAbstractionStarter]: For program point L1397(lines 1397 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,763 INFO L425 ceAbstractionStarter]: For program point L274(lines 274 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,763 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-18 12:14:23,763 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-18 12:14:23,763 INFO L425 ceAbstractionStarter]: For program point L1067(lines 1067 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,763 INFO L425 ceAbstractionStarter]: For program point L935(lines 935 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,763 INFO L425 ceAbstractionStarter]: For program point L869(lines 869 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,763 INFO L425 ceAbstractionStarter]: For program point L1200(lines 1200 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,763 INFO L425 ceAbstractionStarter]: For program point L606(lines 606 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,763 INFO L425 ceAbstractionStarter]: For program point L1267(lines 1267 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,763 INFO L425 ceAbstractionStarter]: For program point L144-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:14:23,763 INFO L425 ceAbstractionStarter]: For program point L78-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:14:23,763 INFO L425 ceAbstractionStarter]: For program point L1466(lines 1466 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,763 INFO L425 ceAbstractionStarter]: For program point L1334(lines 1334 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,763 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-18 12:14:23,763 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-18 12:14:23,763 INFO L425 ceAbstractionStarter]: For program point L476(lines 476 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,763 INFO L425 ceAbstractionStarter]: For program point L1137(lines 1137 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,763 INFO L425 ceAbstractionStarter]: For program point L1005(lines 1005 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,763 INFO L425 ceAbstractionStarter]: For program point L741(lines 741 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,763 INFO L425 ceAbstractionStarter]: For program point L543(lines 543 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,764 INFO L425 ceAbstractionStarter]: For program point L411(lines 411 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,764 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,764 INFO L425 ceAbstractionStarter]: For program point L279(lines 279 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,764 INFO L425 ceAbstractionStarter]: For program point L213(lines 213 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,764 INFO L425 ceAbstractionStarter]: For program point L147-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:14:23,764 INFO L425 ceAbstractionStarter]: For program point L81-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:14:23,764 INFO L425 ceAbstractionStarter]: For program point L808(lines 808 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,764 INFO L425 ceAbstractionStarter]: For program point L1403(lines 1403 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,764 INFO L425 ceAbstractionStarter]: For program point L1205(lines 1205 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,764 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-18 12:14:23,764 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-18 12:14:23,764 INFO L425 ceAbstractionStarter]: For program point L1073(lines 1073 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,764 INFO L425 ceAbstractionStarter]: For program point L875(lines 875 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,764 INFO L425 ceAbstractionStarter]: For program point L677(lines 677 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,764 INFO L425 ceAbstractionStarter]: For program point L942(lines 942 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,764 INFO L425 ceAbstractionStarter]: For program point L612(lines 612 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,764 INFO L425 ceAbstractionStarter]: For program point L150-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:14:23,764 INFO L425 ceAbstractionStarter]: For program point L84-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:14:23,764 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:14:23,764 INFO L425 ceAbstractionStarter]: For program point L1472(lines 1472 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,764 INFO L425 ceAbstractionStarter]: For program point L1274(lines 1274 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,764 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-18 12:14:23,764 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-18 12:14:23,764 INFO L425 ceAbstractionStarter]: For program point L746(lines 746 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,764 INFO L425 ceAbstractionStarter]: For program point L680(lines 680 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,764 INFO L425 ceAbstractionStarter]: For program point L548(lines 548 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,764 INFO L425 ceAbstractionStarter]: For program point L350(lines 350 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,764 INFO L425 ceAbstractionStarter]: For program point L1341(lines 1341 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,765 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,765 INFO L425 ceAbstractionStarter]: For program point L1143(lines 1143 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,765 INFO L425 ceAbstractionStarter]: For program point L1011(lines 1011 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,765 INFO L425 ceAbstractionStarter]: For program point L483(lines 483 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,765 INFO L425 ceAbstractionStarter]: For program point L417(lines 417 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,765 INFO L425 ceAbstractionStarter]: For program point L285(lines 285 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,765 INFO L425 ceAbstractionStarter]: For program point L153-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:14:23,765 INFO L425 ceAbstractionStarter]: For program point L87-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:14:23,765 INFO L425 ceAbstractionStarter]: For program point L1409(lines 1409 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,765 INFO L425 ceAbstractionStarter]: For program point L1211(lines 1211 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,765 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-18 12:14:23,765 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-18 12:14:23,765 INFO L425 ceAbstractionStarter]: For program point L1079(lines 1079 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,765 INFO L425 ceAbstractionStarter]: For program point L815(lines 815 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,765 INFO L425 ceAbstractionStarter]: For program point L948(lines 948 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,765 INFO L425 ceAbstractionStarter]: For program point L882(lines 882 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,765 INFO L425 ceAbstractionStarter]: For program point L618(lines 618 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,765 INFO L425 ceAbstractionStarter]: For program point L1477(lines 1477 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,765 INFO L425 ceAbstractionStarter]: For program point L156-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:14:23,765 INFO L425 ceAbstractionStarter]: For program point L90-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:14:23,765 INFO L425 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2018-11-18 12:14:23,765 INFO L425 ceAbstractionStarter]: For program point L24-2(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:14:23,765 INFO L425 ceAbstractionStarter]: For program point L1280(lines 1280 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,765 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,765 INFO L425 ceAbstractionStarter]: For program point L1214(lines 1214 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,765 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-18 12:14:23,765 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-18 12:14:23,765 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-18 12:14:23,766 INFO L425 ceAbstractionStarter]: For program point L752(lines 752 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,766 INFO L425 ceAbstractionStarter]: For program point L686(lines 686 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,766 INFO L425 ceAbstractionStarter]: For program point L554(lines 554 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,766 INFO L425 ceAbstractionStarter]: For program point L356(lines 356 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,766 INFO L425 ceAbstractionStarter]: For program point L1347(lines 1347 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,766 INFO L425 ceAbstractionStarter]: For program point L290(lines 290 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,766 INFO L425 ceAbstractionStarter]: For program point L1149(lines 1149 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,766 INFO L425 ceAbstractionStarter]: For program point L489(lines 489 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,766 INFO L425 ceAbstractionStarter]: For program point L159-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:14:23,766 INFO L425 ceAbstractionStarter]: For program point L93-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:14:23,766 INFO L425 ceAbstractionStarter]: For program point L27-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:14:23,766 INFO L425 ceAbstractionStarter]: For program point L1018(lines 1018 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,766 INFO L425 ceAbstractionStarter]: For program point L424(lines 424 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,766 INFO L425 ceAbstractionStarter]: For program point L1415(lines 1415 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,766 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-18 12:14:23,766 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-18 12:14:23,766 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-18 12:14:23,766 INFO L425 ceAbstractionStarter]: For program point L1086(lines 1086 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,766 INFO L425 ceAbstractionStarter]: For program point L954(lines 954 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,766 INFO L425 ceAbstractionStarter]: For program point L888(lines 888 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,766 INFO L425 ceAbstractionStarter]: For program point L822(lines 822 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,766 INFO L425 ceAbstractionStarter]: For program point L624(lines 624 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,766 INFO L425 ceAbstractionStarter]: For program point L162-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:14:23,766 INFO L425 ceAbstractionStarter]: For program point L96-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:14:23,766 INFO L425 ceAbstractionStarter]: For program point L30-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:14:23,766 INFO L425 ceAbstractionStarter]: For program point L691(lines 691 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,766 INFO L425 ceAbstractionStarter]: For program point L1484(lines 1484 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,767 INFO L425 ceAbstractionStarter]: For program point L427(lines 427 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,767 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,767 INFO L425 ceAbstractionStarter]: For program point L1286(lines 1286 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,767 INFO L425 ceAbstractionStarter]: For program point L229(lines 229 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,767 INFO L425 ceAbstractionStarter]: For program point L1220(lines 1220 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,767 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-18 12:14:23,767 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-18 12:14:23,767 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-18 12:14:23,767 INFO L425 ceAbstractionStarter]: For program point L758(lines 758 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,767 INFO L425 ceAbstractionStarter]: For program point L560(lines 560 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,767 INFO L425 ceAbstractionStarter]: For program point L1353(lines 1353 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,767 INFO L425 ceAbstractionStarter]: For program point L1155(lines 1155 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,767 INFO L425 ceAbstractionStarter]: For program point L495(lines 495 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,767 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,767 INFO L425 ceAbstractionStarter]: For program point L165-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:14:23,767 INFO L425 ceAbstractionStarter]: For program point L99-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:14:23,767 INFO L425 ceAbstractionStarter]: For program point L33-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:14:23,767 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-18 12:14:23,767 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-18 12:14:23,767 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-18 12:14:23,768 INFO L425 ceAbstractionStarter]: For program point L1025(lines 1025 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,768 INFO L425 ceAbstractionStarter]: For program point L1422(lines 1422 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,768 INFO L425 ceAbstractionStarter]: For program point L1092(lines 1092 1490) no Hoare annotation was computed. [2018-11-18 12:14:23,768 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 12:14:23,768 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (let ((.cse0 (+ ~a18~0 87))) (and (<= .cse0 0) (<= 0 .cse0) (= ~a16~0 11) (= 3 ~a15~0) (= ~a12~0 5))) [2018-11-18 12:14:23,768 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 12:14:23,768 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 12:14:23,768 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)|)) (not (= 11 |old(~a16~0)|)) (let ((.cse0 (+ ~a18~0 87))) (and (<= .cse0 0) (<= 0 .cse0) (= ~a16~0 |old(~a16~0)|) (= 3 ~a15~0) (= |old(~a12~0)| ~a12~0))) (not (= (+ |old(~a18~0)| 87) 0))) [2018-11-18 12:14:23,768 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 1767 1783) no Hoare annotation was computed. [2018-11-18 12:14:23,768 INFO L421 ceAbstractionStarter]: At program point L1781(line 1781) the Hoare annotation is: (let ((.cse19 (= ~a16~0 11)) (.cse11 (= ~a15~0 3)) (.cse8 (= ~a12~0 8))) (let ((.cse5 (= 5 ~a12~0)) (.cse15 (<= (+ ~a18~0 156) 0)) (.cse6 (= 8 ~a16~0)) (.cse4 (= 4 ~a15~0)) (.cse14 (+ |old(~a18~0)| 87)) (.cse10 (<= 12 ~a16~0)) (.cse7 (not (= ~a15~0 4))) (.cse1 (<= 6 ~a12~0)) (.cse9 (= ~a16~0 10)) (.cse18 (= |old(~a15~0)| ~a15~0)) (.cse17 (= 6 ~a12~0)) (.cse13 (<= |old(~a18~0)| ~a18~0)) (.cse3 (or (and .cse19 .cse11 (not (= ~a18~0 0))) (and .cse19 .cse11 .cse8))) (.cse0 (= 9 ~a16~0)) (.cse2 (not (= main_~input~0 0))) (.cse12 (= ~a12~0 5))) (or (and .cse0 .cse1) (and (= 8 ~a12~0) .cse2 .cse3) (not (= 11 |old(~a16~0)|)) (and .cse4 .cse5 .cse0) (and .cse6 .cse7 (not .cse8)) (not (= 3 |old(~a15~0)|)) (and .cse4 (<= ~a12~0 7) .cse9) (and (and .cse10 (not (= ~a12~0 6)) .cse7) .cse1) (and .cse2 .cse11 .cse12 .cse9) (and .cse6 .cse5) (and .cse2 .cse13 .cse3 (= |old(~a12~0)| ~a12~0)) (not (= 5 |old(~a12~0)|)) (< 0 .cse14) (and .cse15 .cse6 .cse7) (and .cse3 .cse15 .cse2 .cse12) (and .cse6 (exists ((v_prenex_3 Int)) (let ((.cse16 (* 5 (div (* 10 v_prenex_3) (- 5))))) (and (<= (+ v_prenex_3 79) 0) (<= 5 .cse16) (<= (div .cse16 5) ~a18~0)))) .cse1) (and (and .cse10 .cse17) .cse18) (and .cse6 .cse4 .cse1) (and (and .cse2 .cse19 .cse11) (= ~a12~0 9)) (< .cse14 0) (and .cse10 .cse2 .cse11 .cse12) (and (and .cse7 .cse1) .cse9) (and .cse2 (= 7 ~a12~0) .cse18 (= ~a16~0 |old(~a16~0)|)) (and .cse2 .cse17 .cse13 .cse3) (and .cse0 .cse2 .cse11 .cse12)))) [2018-11-18 12:14:23,769 INFO L425 ceAbstractionStarter]: For program point L1781-1(line 1781) no Hoare annotation was computed. [2018-11-18 12:14:23,769 INFO L425 ceAbstractionStarter]: For program point L1778(line 1778) no Hoare annotation was computed. [2018-11-18 12:14:23,769 INFO L425 ceAbstractionStarter]: For program point L1773-1(lines 1773 1782) no Hoare annotation was computed. [2018-11-18 12:14:23,769 INFO L421 ceAbstractionStarter]: At program point L1773-3(lines 1773 1782) the Hoare annotation is: (let ((.cse9 (= ~a12~0 8)) (.cse2 (= ~a16~0 11)) (.cse4 (= ~a15~0 3)) (.cse21 (= ~a12~0 5))) (let ((.cse19 (and (not (= ~a16~0 0)) .cse4 (not (= ~a16~0 12)) .cse21)) (.cse20 (or (and .cse2 .cse4 .cse9) (and .cse2 .cse4 (not (= ~a12~0 0)) (not (= ~a18~0 0)))))) (let ((.cse3 (not (= ~a12~0 6))) (.cse6 (= 5 ~a12~0)) (.cse0 (= 9 ~a16~0)) (.cse7 (= 8 ~a16~0)) (.cse5 (= 4 ~a15~0)) (.cse14 (+ |old(~a18~0)| 87)) (.cse17 (= 6 ~a12~0)) (.cse12 (<= |old(~a18~0)| ~a18~0)) (.cse8 (not (= ~a15~0 4))) (.cse1 (<= 6 ~a12~0)) (.cse15 (<= (+ ~a18~0 156) 0)) (.cse13 (and .cse19 .cse20)) (.cse11 (<= 12 ~a16~0)) (.cse10 (= ~a16~0 10)) (.cse18 (= |old(~a15~0)| ~a15~0))) (or (and .cse0 .cse1) (and (and .cse2 .cse3 .cse4) (<= ~a12~0 8) .cse1) (not (= 11 |old(~a16~0)|)) (and .cse5 .cse6 .cse0) (and .cse7 .cse8 (not .cse9)) (not (= 3 |old(~a15~0)|)) (and .cse5 (<= ~a12~0 7) .cse10) (and (and .cse11 .cse3 .cse8) .cse1) (and .cse12 .cse13) (and .cse7 .cse6) (not (= 5 |old(~a12~0)|)) (< 0 .cse14) (and .cse15 .cse7 .cse8) (and .cse7 (exists ((v_prenex_3 Int)) (let ((.cse16 (* 5 (div (* 10 v_prenex_3) (- 5))))) (and (<= (+ v_prenex_3 79) 0) (<= 5 .cse16) (<= (div .cse16 5) ~a18~0)))) .cse1) (and (and .cse11 .cse17) .cse18) (and .cse0 .cse19) (and .cse7 .cse5 .cse1) (< .cse14 0) (and .cse17 .cse20 .cse12) (and (and .cse8 .cse1) .cse10) (and .cse15 .cse13) (and .cse11 (and .cse4 .cse21)) (and .cse19 .cse10) (and .cse18 (= ~a16~0 |old(~a16~0)|) (= ~a12~0 9)))))) [2018-11-18 12:14:23,769 INFO L425 ceAbstractionStarter]: For program point L1773-4(lines 1767 1783) no Hoare annotation was computed. [2018-11-18 12:14:23,773 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] [2018-11-18 12:14:23,774 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] [2018-11-18 12:14:23,774 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] [2018-11-18 12:14:23,780 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] [2018-11-18 12:14:23,781 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] [2018-11-18 12:14:23,781 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] [2018-11-18 12:14:23,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 12:14:23 BoogieIcfgContainer [2018-11-18 12:14:23,785 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 12:14:23,786 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:14:23,786 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:14:23,786 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:14:23,786 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:07:53" (3/4) ... [2018-11-18 12:14:23,789 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 12:14:23,794 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 12:14:23,794 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output2 [2018-11-18 12:14:23,794 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 12:14:23,795 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 12:14:23,813 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-18 12:14:23,814 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 12:14:23,839 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((((9 == a16 && 6 <= a12) || ((((a16 == 11 && !(a12 == 6)) && a15 == 3) && a12 <= 8) && 6 <= a12)) || !(11 == \old(a16))) || ((4 == a15 && 5 == a12) && 9 == a16)) || ((8 == a16 && !(a15 == 4)) && !(a12 == 8))) || !(3 == \old(a15))) || ((4 == a15 && a12 <= 7) && a16 == 10)) || (((12 <= a16 && !(a12 == 6)) && !(a15 == 4)) && 6 <= a12)) || (\old(a18) <= a18 && (((!(a16 == 0) && a15 == 3) && !(a16 == 12)) && a12 == 5) && (((a16 == 11 && a15 == 3) && a12 == 8) || (((a16 == 11 && a15 == 3) && !(a12 == 0)) && !(a18 == 0))))) || (8 == a16 && 5 == a12)) || !(5 == \old(a12))) || 0 < \old(a18) + 87) || ((a18 + 156 <= 0 && 8 == a16) && !(a15 == 4))) || ((8 == a16 && (\exists v_prenex_3 : int :: (v_prenex_3 + 79 <= 0 && 5 <= 5 * (10 * v_prenex_3 / -5)) && 5 * (10 * v_prenex_3 / -5) / 5 <= a18)) && 6 <= a12)) || ((12 <= a16 && 6 == a12) && \old(a15) == a15)) || (9 == a16 && ((!(a16 == 0) && a15 == 3) && !(a16 == 12)) && a12 == 5)) || ((8 == a16 && 4 == a15) && 6 <= a12)) || \old(a18) + 87 < 0) || ((6 == a12 && (((a16 == 11 && a15 == 3) && a12 == 8) || (((a16 == 11 && a15 == 3) && !(a12 == 0)) && !(a18 == 0)))) && \old(a18) <= a18)) || ((!(a15 == 4) && 6 <= a12) && a16 == 10)) || (a18 + 156 <= 0 && (((!(a16 == 0) && a15 == 3) && !(a16 == 12)) && a12 == 5) && (((a16 == 11 && a15 == 3) && a12 == 8) || (((a16 == 11 && a15 == 3) && !(a12 == 0)) && !(a18 == 0))))) || (12 <= a16 && a15 == 3 && a12 == 5)) || ((((!(a16 == 0) && a15 == 3) && !(a16 == 12)) && a12 == 5) && a16 == 10)) || ((\old(a15) == a15 && a16 == \old(a16)) && a12 == 9) [2018-11-18 12:14:23,969 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_357fb0b3-b7d4-4bf8-8eca-40702394c15b/bin-2019/utaipan/witness.graphml [2018-11-18 12:14:23,969 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:14:23,969 INFO L168 Benchmark]: Toolchain (without parser) took 392741.19 ms. Allocated memory was 1.0 GB in the beginning and 5.4 GB in the end (delta: 4.4 GB). Free memory was 943.0 MB in the beginning and 1.8 GB in the end (delta: -905.8 MB). Peak memory consumption was 3.5 GB. Max. memory is 11.5 GB. [2018-11-18 12:14:23,970 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:14:23,970 INFO L168 Benchmark]: CACSL2BoogieTranslator took 673.80 ms. Allocated memory is still 1.0 GB. Free memory was 943.0 MB in the beginning and 870.5 MB in the end (delta: 72.5 MB). Peak memory consumption was 72.5 MB. Max. memory is 11.5 GB. [2018-11-18 12:14:23,970 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 870.5 MB in the beginning and 1.2 GB in the end (delta: -281.4 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-11-18 12:14:23,970 INFO L168 Benchmark]: Boogie Preprocessor took 77.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 11.5 GB. [2018-11-18 12:14:23,971 INFO L168 Benchmark]: RCFGBuilder took 1680.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 896.2 MB in the end (delta: 244.3 MB). Peak memory consumption was 244.3 MB. Max. memory is 11.5 GB. [2018-11-18 12:14:23,971 INFO L168 Benchmark]: TraceAbstraction took 390019.27 ms. Allocated memory was 1.2 GB in the beginning and 5.4 GB in the end (delta: 4.2 GB). Free memory was 896.2 MB in the beginning and 1.9 GB in the end (delta: -1.0 GB). Peak memory consumption was 4.8 GB. Max. memory is 11.5 GB. [2018-11-18 12:14:23,971 INFO L168 Benchmark]: Witness Printer took 183.13 ms. Allocated memory is still 5.4 GB. Free memory was 1.9 GB in the beginning and 1.8 GB in the end (delta: 80.4 MB). Peak memory consumption was 80.4 MB. Max. memory is 11.5 GB. [2018-11-18 12:14:23,973 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 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 673.80 ms. Allocated memory is still 1.0 GB. Free memory was 943.0 MB in the beginning and 870.5 MB in the end (delta: 72.5 MB). Peak memory consumption was 72.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 103.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 870.5 MB in the beginning and 1.2 GB in the end (delta: -281.4 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 77.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1680.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 896.2 MB in the end (delta: 244.3 MB). Peak memory consumption was 244.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 390019.27 ms. Allocated memory was 1.2 GB in the beginning and 5.4 GB in the end (delta: 4.2 GB). Free memory was 896.2 MB in the beginning and 1.9 GB in the end (delta: -1.0 GB). Peak memory consumption was 4.8 GB. Max. memory is 11.5 GB. * Witness Printer took 183.13 ms. Allocated memory is still 5.4 GB. Free memory was 1.9 GB in the beginning and 1.8 GB in the end (delta: 80.4 MB). Peak memory consumption was 80.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 124]: 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 [2018-11-18 12:14:23,975 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] [2018-11-18 12:14:23,976 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] [2018-11-18 12:14:23,976 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] [2018-11-18 12:14:23,977 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] [2018-11-18 12:14:23,977 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] [2018-11-18 12:14:23,977 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_3,QUANTIFIED] Derived loop invariant: (((((((((((((((((((((((9 == a16 && 6 <= a12) || ((((a16 == 11 && !(a12 == 6)) && a15 == 3) && a12 <= 8) && 6 <= a12)) || !(11 == \old(a16))) || ((4 == a15 && 5 == a12) && 9 == a16)) || ((8 == a16 && !(a15 == 4)) && !(a12 == 8))) || !(3 == \old(a15))) || ((4 == a15 && a12 <= 7) && a16 == 10)) || (((12 <= a16 && !(a12 == 6)) && !(a15 == 4)) && 6 <= a12)) || (\old(a18) <= a18 && (((!(a16 == 0) && a15 == 3) && !(a16 == 12)) && a12 == 5) && (((a16 == 11 && a15 == 3) && a12 == 8) || (((a16 == 11 && a15 == 3) && !(a12 == 0)) && !(a18 == 0))))) || (8 == a16 && 5 == a12)) || !(5 == \old(a12))) || 0 < \old(a18) + 87) || ((a18 + 156 <= 0 && 8 == a16) && !(a15 == 4))) || ((8 == a16 && (\exists v_prenex_3 : int :: (v_prenex_3 + 79 <= 0 && 5 <= 5 * (10 * v_prenex_3 / -5)) && 5 * (10 * v_prenex_3 / -5) / 5 <= a18)) && 6 <= a12)) || ((12 <= a16 && 6 == a12) && \old(a15) == a15)) || (9 == a16 && ((!(a16 == 0) && a15 == 3) && !(a16 == 12)) && a12 == 5)) || ((8 == a16 && 4 == a15) && 6 <= a12)) || \old(a18) + 87 < 0) || ((6 == a12 && (((a16 == 11 && a15 == 3) && a12 == 8) || (((a16 == 11 && a15 == 3) && !(a12 == 0)) && !(a18 == 0)))) && \old(a18) <= a18)) || ((!(a15 == 4) && 6 <= a12) && a16 == 10)) || (a18 + 156 <= 0 && (((!(a16 == 0) && a15 == 3) && !(a16 == 12)) && a12 == 5) && (((a16 == 11 && a15 == 3) && a12 == 8) || (((a16 == 11 && a15 == 3) && !(a12 == 0)) && !(a18 == 0))))) || (12 <= a16 && a15 == 3 && a12 == 5)) || ((((!(a16 == 0) && a15 == 3) && !(a16 == 12)) && a12 == 5) && a16 == 10)) || ((\old(a15) == a15 && a16 == \old(a16)) && a12 == 9) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 410 locations, 1 error locations. SAFE Result, 389.9s OverallTime, 21 OverallIterations, 13 TraceHistogramMax, 312.9s AutomataDifference, 0.0s DeadEndRemovalTime, 12.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 4951 SDtfs, 42289 SDslu, 5296 SDs, 0 SdLazy, 83936 SolverSat, 8633 SolverUnsat, 35 SolverUnknown, 0 SolverNotchecked, 279.3s Time, PredicateUnifierStatistics: 10 DeclaredPredicates, 31391 GetRequests, 30970 SyntacticMatches, 32 SemanticMatches, 389 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5310 ImplicationChecksByTransitivity, 5.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25847occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 15.4s AbstIntTime, 15 AbstIntIterations, 5 AbstIntStrong, 0.9981229933399681 AbsIntWeakeningRatio, 0.057931963624115866 AbsIntAvgWeakeningVarsNumRemoved, 15.96497137083193 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 3.0s AutomataMinimizationTime, 21 MinimizatonAttempts, 3651 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 2794 PreInvPairs, 5858 NumberOfFragments, 3075 HoareAnnotationTreeSize, 2794 FomulaSimplifications, 95476 FormulaSimplificationTreeSizeReduction, 2.9s HoareSimplificationTime, 9 FomulaSimplificationsInter, 72904 FormulaSimplificationTreeSizeReductionInter, 9.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.6s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 22.3s InterpolantComputationTime, 33687 NumberOfCodeBlocks, 33687 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 47601 ConstructedInterpolants, 7 QuantifiedInterpolants, 222332042 SizeOfPredicates, 9 NumberOfNonLiveVariables, 18022 ConjunctsInSsa, 50 ConjunctsInUnsatCore, 41 InterpolantComputations, 10 PerfectInterpolantSequences, 126254/139431 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...