./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label06_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_bb02e011-1104-42ec-8f8a-62da753e86ab/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_bb02e011-1104-42ec-8f8a-62da753e86ab/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_bb02e011-1104-42ec-8f8a-62da753e86ab/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_bb02e011-1104-42ec-8f8a-62da753e86ab/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label06_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_bb02e011-1104-42ec-8f8a-62da753e86ab/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_bb02e011-1104-42ec-8f8a-62da753e86ab/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 4efbed7cd0f5d77b92597ff02e6d19fa8a62de34 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 03:12:28,308 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 03:12:28,309 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 03:12:28,316 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 03:12:28,317 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 03:12:28,317 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 03:12:28,318 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 03:12:28,319 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 03:12:28,320 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 03:12:28,321 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 03:12:28,321 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 03:12:28,321 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 03:12:28,322 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 03:12:28,323 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 03:12:28,323 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 03:12:28,324 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 03:12:28,325 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 03:12:28,326 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 03:12:28,327 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 03:12:28,328 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 03:12:28,329 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 03:12:28,330 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 03:12:28,331 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 03:12:28,331 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 03:12:28,332 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 03:12:28,332 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 03:12:28,333 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 03:12:28,333 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 03:12:28,334 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 03:12:28,335 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 03:12:28,335 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 03:12:28,335 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 03:12:28,335 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 03:12:28,336 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 03:12:28,336 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 03:12:28,337 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 03:12:28,337 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_bb02e011-1104-42ec-8f8a-62da753e86ab/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 03:12:28,347 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 03:12:28,347 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 03:12:28,348 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 03:12:28,348 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 03:12:28,348 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 03:12:28,348 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 03:12:28,348 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 03:12:28,348 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 03:12:28,348 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 03:12:28,349 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 03:12:28,349 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 03:12:28,349 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 03:12:28,349 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 03:12:28,349 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 03:12:28,349 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 03:12:28,349 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 03:12:28,350 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 03:12:28,350 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 03:12:28,350 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 03:12:28,350 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 03:12:28,350 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 03:12:28,350 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 03:12:28,350 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 03:12:28,350 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 03:12:28,351 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 03:12:28,351 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 03:12:28,351 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 03:12:28,351 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 03:12:28,351 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 03:12:28,351 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 03:12:28,351 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 03:12:28,351 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 03:12:28,351 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 03:12:28,351 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 03:12:28,351 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 03:12:28,352 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 03:12:28,352 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 03:12:28,352 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_bb02e011-1104-42ec-8f8a-62da753e86ab/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 -> 4efbed7cd0f5d77b92597ff02e6d19fa8a62de34 [2018-11-23 03:12:28,373 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 03:12:28,382 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 03:12:28,384 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 03:12:28,385 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 03:12:28,385 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 03:12:28,386 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_bb02e011-1104-42ec-8f8a-62da753e86ab/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label06_true-unreach-call_false-termination.c [2018-11-23 03:12:28,422 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bb02e011-1104-42ec-8f8a-62da753e86ab/bin-2019/utaipan/data/00635917a/55f01b4a8b1c4252b3f7009940f104c9/FLAG0ad37c8e5 [2018-11-23 03:12:28,870 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 03:12:28,871 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_bb02e011-1104-42ec-8f8a-62da753e86ab/sv-benchmarks/c/eca-rers2012/Problem02_label06_true-unreach-call_false-termination.c [2018-11-23 03:12:28,879 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bb02e011-1104-42ec-8f8a-62da753e86ab/bin-2019/utaipan/data/00635917a/55f01b4a8b1c4252b3f7009940f104c9/FLAG0ad37c8e5 [2018-11-23 03:12:28,891 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_bb02e011-1104-42ec-8f8a-62da753e86ab/bin-2019/utaipan/data/00635917a/55f01b4a8b1c4252b3f7009940f104c9 [2018-11-23 03:12:28,893 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 03:12:28,895 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 03:12:28,895 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 03:12:28,895 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 03:12:28,898 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 03:12:28,899 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:12:28" (1/1) ... [2018-11-23 03:12:28,901 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@277df2b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:12:28, skipping insertion in model container [2018-11-23 03:12:28,901 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:12:28" (1/1) ... [2018-11-23 03:12:28,909 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 03:12:28,946 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 03:12:29,186 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:12:29,189 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 03:12:29,252 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:12:29,265 INFO L195 MainTranslator]: Completed translation [2018-11-23 03:12:29,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:12:29 WrapperNode [2018-11-23 03:12:29,266 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 03:12:29,267 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 03:12:29,267 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 03:12:29,267 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 03:12:29,316 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:12:29" (1/1) ... [2018-11-23 03:12:29,328 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:12:29" (1/1) ... [2018-11-23 03:12:29,334 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 03:12:29,335 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 03:12:29,335 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 03:12:29,335 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 03:12:29,343 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:12:29" (1/1) ... [2018-11-23 03:12:29,343 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:12:29" (1/1) ... [2018-11-23 03:12:29,346 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:12:29" (1/1) ... [2018-11-23 03:12:29,347 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:12:29" (1/1) ... [2018-11-23 03:12:29,369 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:12:29" (1/1) ... [2018-11-23 03:12:29,377 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:12:29" (1/1) ... [2018-11-23 03:12:29,381 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:12:29" (1/1) ... [2018-11-23 03:12:29,385 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 03:12:29,386 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 03:12:29,386 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 03:12:29,386 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 03:12:29,387 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:12:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bb02e011-1104-42ec-8f8a-62da753e86ab/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 03:12:29,436 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 03:12:29,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 03:12:29,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 03:12:29,436 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 03:12:29,437 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 03:12:29,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 03:12:29,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 03:12:29,437 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 03:12:29,437 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 03:12:30,163 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 03:12:30,164 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 03:12:30,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:12:30 BoogieIcfgContainer [2018-11-23 03:12:30,164 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 03:12:30,165 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 03:12:30,165 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 03:12:30,168 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 03:12:30,168 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:12:28" (1/3) ... [2018-11-23 03:12:30,168 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21eaecf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:12:30, skipping insertion in model container [2018-11-23 03:12:30,168 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:12:29" (2/3) ... [2018-11-23 03:12:30,169 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21eaecf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:12:30, skipping insertion in model container [2018-11-23 03:12:30,169 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:12:30" (3/3) ... [2018-11-23 03:12:30,170 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label06_true-unreach-call_false-termination.c [2018-11-23 03:12:30,176 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 03:12:30,181 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 03:12:30,190 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 03:12:30,213 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 03:12:30,213 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 03:12:30,214 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 03:12:30,214 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 03:12:30,214 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 03:12:30,214 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 03:12:30,214 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 03:12:30,214 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 03:12:30,231 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2018-11-23 03:12:30,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-11-23 03:12:30,241 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:12:30,242 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:12:30,243 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:12:30,246 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:12:30,247 INFO L82 PathProgramCache]: Analyzing trace with hash -1121979298, now seen corresponding path program 1 times [2018-11-23 03:12:30,248 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:12:30,278 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:12:30,278 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:12:30,278 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:12:30,278 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:12:30,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:12:30,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:12:30,598 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:12:30,599 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 03:12:30,599 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:12:30,604 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 03:12:30,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 03:12:30,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 03:12:30,618 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2018-11-23 03:12:31,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:12:31,143 INFO L93 Difference]: Finished difference Result 618 states and 1056 transitions. [2018-11-23 03:12:31,144 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 03:12:31,144 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 146 [2018-11-23 03:12:31,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:12:31,153 INFO L225 Difference]: With dead ends: 618 [2018-11-23 03:12:31,153 INFO L226 Difference]: Without dead ends: 380 [2018-11-23 03:12:31,156 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 03:12:31,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2018-11-23 03:12:31,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 380. [2018-11-23 03:12:31,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 380 states. [2018-11-23 03:12:31,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 606 transitions. [2018-11-23 03:12:31,194 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 606 transitions. Word has length 146 [2018-11-23 03:12:31,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:12:31,195 INFO L480 AbstractCegarLoop]: Abstraction has 380 states and 606 transitions. [2018-11-23 03:12:31,195 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 03:12:31,195 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 606 transitions. [2018-11-23 03:12:31,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-23 03:12:31,199 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:12:31,199 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:12:31,203 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:12:31,203 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:12:31,203 INFO L82 PathProgramCache]: Analyzing trace with hash -74166087, now seen corresponding path program 1 times [2018-11-23 03:12:31,203 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:12:31,204 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:12:31,204 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:12:31,204 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:12:31,205 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:12:31,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:12:31,401 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:12:31,402 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:12:31,402 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 03:12:31,402 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:12:31,403 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 03:12:31,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 03:12:31,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 03:12:31,404 INFO L87 Difference]: Start difference. First operand 380 states and 606 transitions. Second operand 5 states. [2018-11-23 03:12:31,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:12:31,912 INFO L93 Difference]: Finished difference Result 898 states and 1492 transitions. [2018-11-23 03:12:31,912 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 03:12:31,912 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 154 [2018-11-23 03:12:31,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:12:31,915 INFO L225 Difference]: With dead ends: 898 [2018-11-23 03:12:31,915 INFO L226 Difference]: Without dead ends: 379 [2018-11-23 03:12:31,917 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 03:12:31,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2018-11-23 03:12:31,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 379. [2018-11-23 03:12:31,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2018-11-23 03:12:31,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 600 transitions. [2018-11-23 03:12:31,933 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 600 transitions. Word has length 154 [2018-11-23 03:12:31,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:12:31,933 INFO L480 AbstractCegarLoop]: Abstraction has 379 states and 600 transitions. [2018-11-23 03:12:31,933 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 03:12:31,934 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 600 transitions. [2018-11-23 03:12:31,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-23 03:12:31,936 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:12:31,936 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:12:31,936 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:12:31,936 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:12:31,936 INFO L82 PathProgramCache]: Analyzing trace with hash 742954861, now seen corresponding path program 1 times [2018-11-23 03:12:31,937 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:12:31,937 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:12:31,937 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:12:31,938 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:12:31,938 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:12:31,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:12:32,112 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:12:32,112 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:12:32,112 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 03:12:32,112 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:12:32,113 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 03:12:32,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 03:12:32,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 03:12:32,113 INFO L87 Difference]: Start difference. First operand 379 states and 600 transitions. Second operand 5 states. [2018-11-23 03:12:32,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:12:32,610 INFO L93 Difference]: Finished difference Result 896 states and 1477 transitions. [2018-11-23 03:12:32,613 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 03:12:32,613 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 160 [2018-11-23 03:12:32,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:12:32,615 INFO L225 Difference]: With dead ends: 896 [2018-11-23 03:12:32,615 INFO L226 Difference]: Without dead ends: 378 [2018-11-23 03:12:32,617 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 03:12:32,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2018-11-23 03:12:32,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 378. [2018-11-23 03:12:32,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 378 states. [2018-11-23 03:12:32,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 592 transitions. [2018-11-23 03:12:32,629 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 592 transitions. Word has length 160 [2018-11-23 03:12:32,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:12:32,629 INFO L480 AbstractCegarLoop]: Abstraction has 378 states and 592 transitions. [2018-11-23 03:12:32,629 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 03:12:32,629 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 592 transitions. [2018-11-23 03:12:32,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-23 03:12:32,632 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:12:32,632 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:12:32,633 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:12:32,633 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:12:32,633 INFO L82 PathProgramCache]: Analyzing trace with hash -1806866058, now seen corresponding path program 1 times [2018-11-23 03:12:32,633 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:12:32,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:12:32,634 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:12:32,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:12:32,634 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:12:32,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:12:32,739 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:12:32,740 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:12:32,740 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 03:12:32,740 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:12:32,740 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 03:12:32,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 03:12:32,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 03:12:32,741 INFO L87 Difference]: Start difference. First operand 378 states and 592 transitions. Second operand 6 states. [2018-11-23 03:12:33,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:12:33,517 INFO L93 Difference]: Finished difference Result 1186 states and 1935 transitions. [2018-11-23 03:12:33,518 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 03:12:33,518 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 168 [2018-11-23 03:12:33,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:12:33,521 INFO L225 Difference]: With dead ends: 1186 [2018-11-23 03:12:33,522 INFO L226 Difference]: Without dead ends: 814 [2018-11-23 03:12:33,526 INFO L631 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 [2018-11-23 03:12:33,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 814 states. [2018-11-23 03:12:33,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 814 to 803. [2018-11-23 03:12:33,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 803 states. [2018-11-23 03:12:33,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 803 states and 1204 transitions. [2018-11-23 03:12:33,553 INFO L78 Accepts]: Start accepts. Automaton has 803 states and 1204 transitions. Word has length 168 [2018-11-23 03:12:33,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:12:33,554 INFO L480 AbstractCegarLoop]: Abstraction has 803 states and 1204 transitions. [2018-11-23 03:12:33,554 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 03:12:33,554 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 1204 transitions. [2018-11-23 03:12:33,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-23 03:12:33,557 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:12:33,557 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:12:33,557 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:12:33,557 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:12:33,557 INFO L82 PathProgramCache]: Analyzing trace with hash -1446244430, now seen corresponding path program 1 times [2018-11-23 03:12:33,557 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:12:33,558 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:12:33,558 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:12:33,558 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:12:33,558 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:12:33,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:12:33,704 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:12:33,704 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:12:33,704 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 03:12:33,705 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:12:33,705 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 03:12:33,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 03:12:33,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 03:12:33,705 INFO L87 Difference]: Start difference. First operand 803 states and 1204 transitions. Second operand 5 states. [2018-11-23 03:12:34,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:12:34,227 INFO L93 Difference]: Finished difference Result 1744 states and 2660 transitions. [2018-11-23 03:12:34,227 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 03:12:34,227 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 170 [2018-11-23 03:12:34,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:12:34,230 INFO L225 Difference]: With dead ends: 1744 [2018-11-23 03:12:34,230 INFO L226 Difference]: Without dead ends: 800 [2018-11-23 03:12:34,232 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 03:12:34,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2018-11-23 03:12:34,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 800. [2018-11-23 03:12:34,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 800 states. [2018-11-23 03:12:34,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 800 states and 1186 transitions. [2018-11-23 03:12:34,249 INFO L78 Accepts]: Start accepts. Automaton has 800 states and 1186 transitions. Word has length 170 [2018-11-23 03:12:34,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:12:34,249 INFO L480 AbstractCegarLoop]: Abstraction has 800 states and 1186 transitions. [2018-11-23 03:12:34,249 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 03:12:34,249 INFO L276 IsEmpty]: Start isEmpty. Operand 800 states and 1186 transitions. [2018-11-23 03:12:34,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-23 03:12:34,251 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:12:34,251 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:12:34,252 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:12:34,252 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:12:34,252 INFO L82 PathProgramCache]: Analyzing trace with hash 1864889838, now seen corresponding path program 1 times [2018-11-23 03:12:34,252 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:12:34,253 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:12:34,253 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:12:34,253 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:12:34,253 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:12:34,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:12:34,363 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:12:34,363 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:12:34,363 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 03:12:34,363 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:12:34,364 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 03:12:34,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 03:12:34,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 03:12:34,364 INFO L87 Difference]: Start difference. First operand 800 states and 1186 transitions. Second operand 5 states. [2018-11-23 03:12:34,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:12:34,785 INFO L93 Difference]: Finished difference Result 1738 states and 2621 transitions. [2018-11-23 03:12:34,786 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 03:12:34,786 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 172 [2018-11-23 03:12:34,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:12:34,790 INFO L225 Difference]: With dead ends: 1738 [2018-11-23 03:12:34,791 INFO L226 Difference]: Without dead ends: 797 [2018-11-23 03:12:34,793 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 03:12:34,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 797 states. [2018-11-23 03:12:34,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 797 to 797. [2018-11-23 03:12:34,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 797 states. [2018-11-23 03:12:34,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 797 states and 1165 transitions. [2018-11-23 03:12:34,814 INFO L78 Accepts]: Start accepts. Automaton has 797 states and 1165 transitions. Word has length 172 [2018-11-23 03:12:34,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:12:34,814 INFO L480 AbstractCegarLoop]: Abstraction has 797 states and 1165 transitions. [2018-11-23 03:12:34,814 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 03:12:34,814 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 1165 transitions. [2018-11-23 03:12:34,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-23 03:12:34,817 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:12:34,818 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:12:34,818 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:12:34,818 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:12:34,818 INFO L82 PathProgramCache]: Analyzing trace with hash 1412924006, now seen corresponding path program 1 times [2018-11-23 03:12:34,818 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:12:34,819 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:12:34,819 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:12:34,819 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:12:34,819 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:12:34,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:12:34,935 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:12:34,935 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:12:34,935 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 03:12:34,935 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:12:34,935 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 03:12:34,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 03:12:34,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 03:12:34,936 INFO L87 Difference]: Start difference. First operand 797 states and 1165 transitions. Second operand 6 states. [2018-11-23 03:12:35,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:12:35,499 INFO L93 Difference]: Finished difference Result 2367 states and 3607 transitions. [2018-11-23 03:12:35,500 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 03:12:35,500 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 176 [2018-11-23 03:12:35,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:12:35,506 INFO L225 Difference]: With dead ends: 2367 [2018-11-23 03:12:35,506 INFO L226 Difference]: Without dead ends: 1576 [2018-11-23 03:12:35,510 INFO L631 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 [2018-11-23 03:12:35,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1576 states. [2018-11-23 03:12:35,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1576 to 1550. [2018-11-23 03:12:35,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1550 states. [2018-11-23 03:12:35,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1550 states to 1550 states and 2217 transitions. [2018-11-23 03:12:35,546 INFO L78 Accepts]: Start accepts. Automaton has 1550 states and 2217 transitions. Word has length 176 [2018-11-23 03:12:35,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:12:35,547 INFO L480 AbstractCegarLoop]: Abstraction has 1550 states and 2217 transitions. [2018-11-23 03:12:35,547 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 03:12:35,547 INFO L276 IsEmpty]: Start isEmpty. Operand 1550 states and 2217 transitions. [2018-11-23 03:12:35,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-11-23 03:12:35,551 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:12:35,551 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:12:35,551 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:12:35,552 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:12:35,552 INFO L82 PathProgramCache]: Analyzing trace with hash -788488225, now seen corresponding path program 1 times [2018-11-23 03:12:35,552 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:12:35,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:12:35,553 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:12:35,553 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:12:35,553 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:12:35,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:12:35,691 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 25 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:12:35,692 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:12:35,692 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 03:12:35,692 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 182 with the following transitions: [2018-11-23 03:12:35,694 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [811], [819], [827], [835], [843], [847], [849], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 03:12:35,732 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 03:12:35,732 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 03:12:36,493 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 03:12:36,494 INFO L272 AbstractInterpreter]: Visited 151 different actions 446 times. Merged at 6 different actions 15 times. Never widened. Performed 5207 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5207 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-23 03:12:36,523 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:12:36,524 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 03:12:36,524 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:12:36,524 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bb02e011-1104-42ec-8f8a-62da753e86ab/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 03:12:36,537 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:12:36,538 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 03:12:36,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:12:36,604 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 03:12:36,656 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 03:12:36,657 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 03:12:36,734 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 03:12:36,759 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-23 03:12:36,759 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 8 [2018-11-23 03:12:36,759 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:12:36,760 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 03:12:36,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 03:12:36,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-11-23 03:12:36,761 INFO L87 Difference]: Start difference. First operand 1550 states and 2217 transitions. Second operand 3 states. [2018-11-23 03:12:37,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:12:37,174 INFO L93 Difference]: Finished difference Result 4541 states and 6633 transitions. [2018-11-23 03:12:37,174 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 03:12:37,174 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 181 [2018-11-23 03:12:37,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:12:37,181 INFO L225 Difference]: With dead ends: 4541 [2018-11-23 03:12:37,181 INFO L226 Difference]: Without dead ends: 2997 [2018-11-23 03:12:37,185 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 373 GetRequests, 364 SyntacticMatches, 3 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-11-23 03:12:37,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2997 states. [2018-11-23 03:12:37,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2997 to 2992. [2018-11-23 03:12:37,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2992 states. [2018-11-23 03:12:37,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2992 states to 2992 states and 3976 transitions. [2018-11-23 03:12:37,225 INFO L78 Accepts]: Start accepts. Automaton has 2992 states and 3976 transitions. Word has length 181 [2018-11-23 03:12:37,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:12:37,225 INFO L480 AbstractCegarLoop]: Abstraction has 2992 states and 3976 transitions. [2018-11-23 03:12:37,225 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 03:12:37,225 INFO L276 IsEmpty]: Start isEmpty. Operand 2992 states and 3976 transitions. [2018-11-23 03:12:37,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-11-23 03:12:37,230 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:12:37,230 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-23 03:12:37,230 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:12:37,230 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:12:37,230 INFO L82 PathProgramCache]: Analyzing trace with hash -1479656218, now seen corresponding path program 1 times [2018-11-23 03:12:37,231 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:12:37,231 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:12:37,231 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:12:37,231 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:12:37,231 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:12:37,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:12:37,310 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 86 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:12:37,311 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:12:37,311 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 03:12:37,311 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 211 with the following transitions: [2018-11-23 03:12:37,311 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [107], [108], [112], [116], [120], [123], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [811], [819], [827], [835], [843], [847], [849], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 03:12:37,316 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 03:12:37,316 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 03:12:37,571 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 03:12:37,571 INFO L272 AbstractInterpreter]: Visited 150 different actions 294 times. Merged at 4 different actions 4 times. Never widened. Performed 3255 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3255 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-11-23 03:12:37,586 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:12:37,587 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 03:12:37,902 INFO L227 lantSequenceWeakener]: Weakened 207 states. On average, predicates are now at 82.92% of their original sizes. [2018-11-23 03:12:37,902 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 03:12:37,977 INFO L415 sIntCurrentIteration]: We unified 209 AI predicates to 209 [2018-11-23 03:12:37,977 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 03:12:37,977 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 03:12:37,978 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-23 03:12:37,978 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:12:37,978 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 03:12:37,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 03:12:37,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 03:12:37,980 INFO L87 Difference]: Start difference. First operand 2992 states and 3976 transitions. Second operand 10 states. [2018-11-23 03:12:41,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:12:41,926 INFO L93 Difference]: Finished difference Result 6786 states and 9064 transitions. [2018-11-23 03:12:41,926 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-23 03:12:41,926 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 210 [2018-11-23 03:12:41,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:12:41,934 INFO L225 Difference]: With dead ends: 6786 [2018-11-23 03:12:41,935 INFO L226 Difference]: Without dead ends: 3800 [2018-11-23 03:12:41,940 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 219 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-23 03:12:41,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3800 states. [2018-11-23 03:12:41,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3800 to 3731. [2018-11-23 03:12:41,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3731 states. [2018-11-23 03:12:41,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3731 states to 3731 states and 4824 transitions. [2018-11-23 03:12:41,985 INFO L78 Accepts]: Start accepts. Automaton has 3731 states and 4824 transitions. Word has length 210 [2018-11-23 03:12:41,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:12:41,985 INFO L480 AbstractCegarLoop]: Abstraction has 3731 states and 4824 transitions. [2018-11-23 03:12:41,985 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 03:12:41,985 INFO L276 IsEmpty]: Start isEmpty. Operand 3731 states and 4824 transitions. [2018-11-23 03:12:41,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2018-11-23 03:12:41,990 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:12:41,991 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 03:12:41,991 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:12:41,991 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:12:41,991 INFO L82 PathProgramCache]: Analyzing trace with hash 1161638674, now seen corresponding path program 1 times [2018-11-23 03:12:41,991 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:12:41,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:12:41,992 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:12:41,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:12:41,992 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:12:42,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:12:42,110 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 03:12:42,110 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:12:42,111 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 03:12:42,111 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 229 with the following transitions: [2018-11-23 03:12:42,111 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [312], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [811], [819], [827], [835], [843], [847], [849], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 03:12:42,116 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 03:12:42,116 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 03:12:42,317 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 03:12:42,317 INFO L272 AbstractInterpreter]: Visited 150 different actions 443 times. Merged at 6 different actions 13 times. Never widened. Performed 4997 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4997 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-23 03:12:42,318 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:12:42,318 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 03:12:42,637 INFO L227 lantSequenceWeakener]: Weakened 225 states. On average, predicates are now at 84.87% of their original sizes. [2018-11-23 03:12:42,638 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 03:12:42,700 INFO L415 sIntCurrentIteration]: We unified 227 AI predicates to 227 [2018-11-23 03:12:42,700 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 03:12:42,700 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 03:12:42,700 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [8] total 15 [2018-11-23 03:12:42,700 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:12:42,701 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 03:12:42,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 03:12:42,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 03:12:42,701 INFO L87 Difference]: Start difference. First operand 3731 states and 4824 transitions. Second operand 9 states. [2018-11-23 03:12:45,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:12:45,000 INFO L93 Difference]: Finished difference Result 8906 states and 11803 transitions. [2018-11-23 03:12:45,000 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-23 03:12:45,000 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 228 [2018-11-23 03:12:45,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:12:45,011 INFO L225 Difference]: With dead ends: 8906 [2018-11-23 03:12:45,011 INFO L226 Difference]: Without dead ends: 5181 [2018-11-23 03:12:45,017 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 235 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-11-23 03:12:45,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5181 states. [2018-11-23 03:12:45,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5181 to 5138. [2018-11-23 03:12:45,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5138 states. [2018-11-23 03:12:45,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5138 states to 5138 states and 6507 transitions. [2018-11-23 03:12:45,079 INFO L78 Accepts]: Start accepts. Automaton has 5138 states and 6507 transitions. Word has length 228 [2018-11-23 03:12:45,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:12:45,080 INFO L480 AbstractCegarLoop]: Abstraction has 5138 states and 6507 transitions. [2018-11-23 03:12:45,080 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 03:12:45,080 INFO L276 IsEmpty]: Start isEmpty. Operand 5138 states and 6507 transitions. [2018-11-23 03:12:45,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-11-23 03:12:45,085 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:12:45,086 INFO L402 BasicCegarLoop]: trace histogram [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, 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] [2018-11-23 03:12:45,086 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:12:45,086 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:12:45,086 INFO L82 PathProgramCache]: Analyzing trace with hash -153103276, now seen corresponding path program 1 times [2018-11-23 03:12:45,086 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:12:45,087 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:12:45,087 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:12:45,087 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:12:45,087 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:12:45,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:12:45,173 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 97 proven. 53 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 03:12:45,174 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:12:45,174 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 03:12:45,174 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 250 with the following transitions: [2018-11-23 03:12:45,174 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [202], [205], [209], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [811], [819], [827], [835], [843], [847], [849], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 03:12:45,177 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 03:12:45,178 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 03:12:45,515 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 03:12:45,515 INFO L272 AbstractInterpreter]: Visited 153 different actions 600 times. Merged at 7 different actions 22 times. Never widened. Performed 6914 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6914 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 6 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-23 03:12:45,516 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:12:45,516 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 03:12:45,693 INFO L227 lantSequenceWeakener]: Weakened 246 states. On average, predicates are now at 86.98% of their original sizes. [2018-11-23 03:12:45,694 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 03:12:45,736 INFO L415 sIntCurrentIteration]: We unified 248 AI predicates to 248 [2018-11-23 03:12:45,736 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 03:12:45,736 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 03:12:45,736 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [10] total 20 [2018-11-23 03:12:45,736 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:12:45,737 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-23 03:12:45,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-23 03:12:45,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2018-11-23 03:12:45,737 INFO L87 Difference]: Start difference. First operand 5138 states and 6507 transitions. Second operand 12 states. [2018-11-23 03:12:50,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:12:50,034 INFO L93 Difference]: Finished difference Result 11836 states and 14771 transitions. [2018-11-23 03:12:50,034 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-11-23 03:12:50,035 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 249 [2018-11-23 03:12:50,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:12:50,051 INFO L225 Difference]: With dead ends: 11836 [2018-11-23 03:12:50,051 INFO L226 Difference]: Without dead ends: 6406 [2018-11-23 03:12:50,061 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 267 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 182 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=221, Invalid=709, Unknown=0, NotChecked=0, Total=930 [2018-11-23 03:12:50,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6406 states. [2018-11-23 03:12:50,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6406 to 6305. [2018-11-23 03:12:50,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6305 states. [2018-11-23 03:12:50,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6305 states to 6305 states and 7452 transitions. [2018-11-23 03:12:50,170 INFO L78 Accepts]: Start accepts. Automaton has 6305 states and 7452 transitions. Word has length 249 [2018-11-23 03:12:50,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:12:50,171 INFO L480 AbstractCegarLoop]: Abstraction has 6305 states and 7452 transitions. [2018-11-23 03:12:50,171 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-23 03:12:50,171 INFO L276 IsEmpty]: Start isEmpty. Operand 6305 states and 7452 transitions. [2018-11-23 03:12:50,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-11-23 03:12:50,181 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:12:50,181 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:12:50,182 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:12:50,182 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:12:50,182 INFO L82 PathProgramCache]: Analyzing trace with hash -499769692, now seen corresponding path program 1 times [2018-11-23 03:12:50,182 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:12:50,183 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:12:50,183 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:12:50,183 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:12:50,183 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:12:50,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:12:50,389 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 116 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:12:50,389 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:12:50,389 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 03:12:50,390 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 252 with the following transitions: [2018-11-23 03:12:50,390 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [301], [306], [308], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [811], [819], [827], [835], [843], [847], [849], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 03:12:50,393 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 03:12:50,393 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 03:12:50,636 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 03:12:50,636 INFO L272 AbstractInterpreter]: Visited 154 different actions 453 times. Merged at 7 different actions 17 times. Never widened. Performed 5265 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5265 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-23 03:12:50,638 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:12:50,638 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 03:12:50,638 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:12:50,639 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bb02e011-1104-42ec-8f8a-62da753e86ab/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 03:12:50,740 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:12:50,740 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 03:12:50,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:12:50,794 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 03:12:50,844 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 130 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 03:12:50,844 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 03:12:50,914 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 130 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 03:12:50,929 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 03:12:50,929 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 16 [2018-11-23 03:12:50,929 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 03:12:50,929 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-23 03:12:50,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-23 03:12:50,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2018-11-23 03:12:50,930 INFO L87 Difference]: Start difference. First operand 6305 states and 7452 transitions. Second operand 15 states. [2018-11-23 03:12:52,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:12:52,201 INFO L93 Difference]: Finished difference Result 11938 states and 14395 transitions. [2018-11-23 03:12:52,201 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-23 03:12:52,201 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 251 [2018-11-23 03:12:52,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:12:52,211 INFO L225 Difference]: With dead ends: 11938 [2018-11-23 03:12:52,211 INFO L226 Difference]: Without dead ends: 4250 [2018-11-23 03:12:52,223 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 538 GetRequests, 509 SyntacticMatches, 3 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=222, Invalid=534, Unknown=0, NotChecked=0, Total=756 [2018-11-23 03:12:52,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4250 states. [2018-11-23 03:12:52,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4250 to 4221. [2018-11-23 03:12:52,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4221 states. [2018-11-23 03:12:52,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4221 states to 4221 states and 4893 transitions. [2018-11-23 03:12:52,296 INFO L78 Accepts]: Start accepts. Automaton has 4221 states and 4893 transitions. Word has length 251 [2018-11-23 03:12:52,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:12:52,296 INFO L480 AbstractCegarLoop]: Abstraction has 4221 states and 4893 transitions. [2018-11-23 03:12:52,296 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-23 03:12:52,296 INFO L276 IsEmpty]: Start isEmpty. Operand 4221 states and 4893 transitions. [2018-11-23 03:12:52,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2018-11-23 03:12:52,303 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:12:52,304 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:12:52,304 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:12:52,304 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:12:52,304 INFO L82 PathProgramCache]: Analyzing trace with hash -1641491959, now seen corresponding path program 1 times [2018-11-23 03:12:52,304 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:12:52,305 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:12:52,305 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:12:52,305 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:12:52,305 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:12:52,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:12:52,532 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 247 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:12:52,532 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:12:52,532 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 03:12:52,533 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 310 with the following transitions: [2018-11-23 03:12:52,533 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [236], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [301], [306], [308], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [811], [819], [827], [835], [843], [847], [849], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 03:12:52,535 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 03:12:52,535 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 03:12:52,897 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 03:12:52,897 INFO L272 AbstractInterpreter]: Visited 154 different actions 607 times. Merged at 7 different actions 28 times. Widened at 1 different actions 1 times. Performed 7076 root evaluator evaluations with a maximum evaluation depth of 3. Performed 7076 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 6 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-23 03:12:52,899 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:12:52,899 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 03:12:52,899 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:12:52,899 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bb02e011-1104-42ec-8f8a-62da753e86ab/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 [2018-11-23 03:12:52,905 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:12:52,905 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 03:12:52,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:12:52,953 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 03:12:53,049 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 246 proven. 2 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-23 03:12:53,050 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 03:12:53,222 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 246 proven. 2 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-23 03:12:53,237 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 03:12:53,237 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 5] total 15 [2018-11-23 03:12:53,237 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 03:12:53,237 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-23 03:12:53,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-23 03:12:53,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2018-11-23 03:12:53,238 INFO L87 Difference]: Start difference. First operand 4221 states and 4893 transitions. Second operand 13 states. [2018-11-23 03:12:54,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:12:54,919 INFO L93 Difference]: Finished difference Result 9460 states and 11037 transitions. [2018-11-23 03:12:54,920 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-11-23 03:12:54,920 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 309 [2018-11-23 03:12:54,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:12:54,931 INFO L225 Difference]: With dead ends: 9460 [2018-11-23 03:12:54,931 INFO L226 Difference]: Without dead ends: 4970 [2018-11-23 03:12:54,938 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 674 GetRequests, 636 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 350 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=326, Invalid=1156, Unknown=0, NotChecked=0, Total=1482 [2018-11-23 03:12:54,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4970 states. [2018-11-23 03:12:55,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4970 to 4701. [2018-11-23 03:12:55,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4701 states. [2018-11-23 03:12:55,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4701 states to 4701 states and 5196 transitions. [2018-11-23 03:12:55,012 INFO L78 Accepts]: Start accepts. Automaton has 4701 states and 5196 transitions. Word has length 309 [2018-11-23 03:12:55,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:12:55,012 INFO L480 AbstractCegarLoop]: Abstraction has 4701 states and 5196 transitions. [2018-11-23 03:12:55,012 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-23 03:12:55,012 INFO L276 IsEmpty]: Start isEmpty. Operand 4701 states and 5196 transitions. [2018-11-23 03:12:55,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2018-11-23 03:12:55,019 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:12:55,019 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:12:55,020 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:12:55,020 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:12:55,020 INFO L82 PathProgramCache]: Analyzing trace with hash -1816964365, now seen corresponding path program 1 times [2018-11-23 03:12:55,020 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:12:55,020 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:12:55,021 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:12:55,021 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:12:55,021 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:12:55,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:12:55,624 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 291 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:12:55,625 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:12:55,625 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 03:12:55,625 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 345 with the following transitions: [2018-11-23 03:12:55,625 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [198], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [301], [306], [308], [309], [313], [317], [321], [325], [329], [333], [344], [348], [351], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [811], [819], [827], [835], [843], [847], [849], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 03:12:55,627 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 03:12:55,627 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 03:12:55,877 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 03:12:55,877 INFO L272 AbstractInterpreter]: Visited 154 different actions 602 times. Merged at 7 different actions 23 times. Never widened. Performed 6743 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6743 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 6 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-23 03:12:55,878 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:12:55,878 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 03:12:55,878 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:12:55,878 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bb02e011-1104-42ec-8f8a-62da753e86ab/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 [2018-11-23 03:12:55,884 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:12:55,884 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 03:12:55,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:12:55,933 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 03:12:56,156 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 307 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-23 03:12:56,156 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 03:12:56,359 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 307 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-23 03:12:56,374 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 03:12:56,374 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 7, 8] total 23 [2018-11-23 03:12:56,374 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 03:12:56,374 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-23 03:12:56,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-23 03:12:56,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=421, Unknown=0, NotChecked=0, Total=506 [2018-11-23 03:12:56,375 INFO L87 Difference]: Start difference. First operand 4701 states and 5196 transitions. Second operand 19 states. [2018-11-23 03:12:58,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:12:58,270 INFO L93 Difference]: Finished difference Result 9205 states and 10200 transitions. [2018-11-23 03:12:58,271 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-11-23 03:12:58,271 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 344 [2018-11-23 03:12:58,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:12:58,280 INFO L225 Difference]: With dead ends: 9205 [2018-11-23 03:12:58,280 INFO L226 Difference]: Without dead ends: 4946 [2018-11-23 03:12:58,285 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 736 GetRequests, 688 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 534 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=553, Invalid=1897, Unknown=0, NotChecked=0, Total=2450 [2018-11-23 03:12:58,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4946 states. [2018-11-23 03:12:58,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4946 to 4705. [2018-11-23 03:12:58,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4705 states. [2018-11-23 03:12:58,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4705 states to 4705 states and 5158 transitions. [2018-11-23 03:12:58,358 INFO L78 Accepts]: Start accepts. Automaton has 4705 states and 5158 transitions. Word has length 344 [2018-11-23 03:12:58,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:12:58,359 INFO L480 AbstractCegarLoop]: Abstraction has 4705 states and 5158 transitions. [2018-11-23 03:12:58,359 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-23 03:12:58,359 INFO L276 IsEmpty]: Start isEmpty. Operand 4705 states and 5158 transitions. [2018-11-23 03:12:58,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2018-11-23 03:12:58,366 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:12:58,366 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-23 03:12:58,366 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:12:58,366 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:12:58,366 INFO L82 PathProgramCache]: Analyzing trace with hash -1707995725, now seen corresponding path program 1 times [2018-11-23 03:12:58,366 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:12:58,367 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:12:58,367 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:12:58,367 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:12:58,367 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:12:58,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:12:58,524 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 255 proven. 19 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2018-11-23 03:12:58,524 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:12:58,524 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 03:12:58,524 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 351 with the following transitions: [2018-11-23 03:12:58,524 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [45], [50], [52], [53], [56], [61], [63], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [236], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [301], [306], [308], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [811], [819], [827], [835], [843], [847], [849], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 03:12:58,526 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 03:12:58,527 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 03:12:58,854 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 03:12:58,854 INFO L272 AbstractInterpreter]: Visited 160 different actions 632 times. Merged at 9 different actions 37 times. Never widened. Performed 7234 root evaluator evaluations with a maximum evaluation depth of 3. Performed 7234 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 10 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-23 03:12:58,859 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:12:58,859 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 03:12:58,859 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:12:58,859 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bb02e011-1104-42ec-8f8a-62da753e86ab/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 [2018-11-23 03:12:58,865 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:12:58,865 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 03:12:58,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:12:58,940 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 03:12:58,995 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 307 proven. 2 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2018-11-23 03:12:58,995 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 03:12:59,059 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 255 proven. 19 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2018-11-23 03:12:59,074 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 03:12:59,074 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 8 [2018-11-23 03:12:59,074 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 03:12:59,075 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 03:12:59,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 03:12:59,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2018-11-23 03:12:59,075 INFO L87 Difference]: Start difference. First operand 4705 states and 5158 transitions. Second operand 7 states. [2018-11-23 03:12:59,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:12:59,436 INFO L93 Difference]: Finished difference Result 7294 states and 8057 transitions. [2018-11-23 03:12:59,437 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 03:12:59,437 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 350 [2018-11-23 03:12:59,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:12:59,442 INFO L225 Difference]: With dead ends: 7294 [2018-11-23 03:12:59,442 INFO L226 Difference]: Without dead ends: 4089 [2018-11-23 03:12:59,445 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 709 GetRequests, 699 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2018-11-23 03:12:59,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4089 states. [2018-11-23 03:12:59,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4089 to 4043. [2018-11-23 03:12:59,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4043 states. [2018-11-23 03:12:59,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4043 states to 4043 states and 4404 transitions. [2018-11-23 03:12:59,487 INFO L78 Accepts]: Start accepts. Automaton has 4043 states and 4404 transitions. Word has length 350 [2018-11-23 03:12:59,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:12:59,487 INFO L480 AbstractCegarLoop]: Abstraction has 4043 states and 4404 transitions. [2018-11-23 03:12:59,487 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 03:12:59,487 INFO L276 IsEmpty]: Start isEmpty. Operand 4043 states and 4404 transitions. [2018-11-23 03:12:59,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2018-11-23 03:12:59,494 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:12:59,494 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:12:59,494 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:12:59,495 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:12:59,495 INFO L82 PathProgramCache]: Analyzing trace with hash 724273390, now seen corresponding path program 1 times [2018-11-23 03:12:59,495 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:12:59,495 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:12:59,495 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:12:59,496 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:12:59,496 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:12:59,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:13:00,468 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 86 proven. 327 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 03:13:00,468 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:13:00,468 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 03:13:00,468 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 366 with the following transitions: [2018-11-23 03:13:00,468 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [56], [61], [63], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [198], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [301], [306], [308], [309], [313], [317], [321], [325], [329], [333], [344], [348], [351], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [811], [819], [827], [835], [843], [847], [849], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 03:13:00,470 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 03:13:00,470 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 03:13:00,705 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 03:13:00,706 INFO L272 AbstractInterpreter]: Visited 157 different actions 619 times. Merged at 8 different actions 32 times. Widened at 1 different actions 1 times. Performed 6866 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6866 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 8 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-23 03:13:00,707 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:13:00,707 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 03:13:00,707 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:13:00,707 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bb02e011-1104-42ec-8f8a-62da753e86ab/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 [2018-11-23 03:13:00,713 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:13:00,714 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 03:13:00,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:13:00,776 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 03:13:00,852 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 345 proven. 2 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-23 03:13:00,852 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 03:13:01,008 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 345 proven. 2 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-23 03:13:01,023 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 03:13:01,023 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 5, 5] total 29 [2018-11-23 03:13:01,023 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 03:13:01,024 INFO L459 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-11-23 03:13:01,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-11-23 03:13:01,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=704, Unknown=0, NotChecked=0, Total=812 [2018-11-23 03:13:01,025 INFO L87 Difference]: Start difference. First operand 4043 states and 4404 transitions. Second operand 27 states. [2018-11-23 03:13:05,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:13:05,815 INFO L93 Difference]: Finished difference Result 7674 states and 8430 transitions. [2018-11-23 03:13:05,816 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2018-11-23 03:13:05,816 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 365 [2018-11-23 03:13:05,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:13:05,816 INFO L225 Difference]: With dead ends: 7674 [2018-11-23 03:13:05,816 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 03:13:05,826 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 840 GetRequests, 755 SyntacticMatches, 6 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1817 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=1262, Invalid=5218, Unknown=0, NotChecked=0, Total=6480 [2018-11-23 03:13:05,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 03:13:05,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 03:13:05,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 03:13:05,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 03:13:05,828 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 365 [2018-11-23 03:13:05,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:13:05,828 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 03:13:05,828 INFO L481 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-11-23 03:13:05,828 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 03:13:05,828 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 03:13:05,834 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 03:13:06,051 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:13:06,063 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:13:06,065 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:13:06,107 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:13:06,125 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:13:06,134 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:13:06,167 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:13:06,177 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:13:06,189 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:13:06,199 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:13:06,309 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:13:06,347 WARN L180 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 202 [2018-11-23 03:13:06,353 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:13:06,381 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:13:06,392 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:13:06,502 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:13:06,546 WARN L180 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 164 [2018-11-23 03:13:07,915 WARN L180 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 216 DAG size of output: 96 [2018-11-23 03:13:08,514 WARN L180 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 74 [2018-11-23 03:13:09,025 WARN L180 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 75 [2018-11-23 03:13:09,027 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 03:13:09,027 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a11~0)| ~a11~0) (= ~a17~0 |old(~a17~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|)) [2018-11-23 03:13:09,027 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 03:13:09,027 INFO L448 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:13:09,027 INFO L448 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:13:09,027 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:13:09,027 INFO L448 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:13:09,027 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:13:09,027 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-11-23 03:13:09,027 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-11-23 03:13:09,028 INFO L448 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-23 03:13:09,028 INFO L448 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-23 03:13:09,028 INFO L448 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-11-23 03:13:09,028 INFO L448 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-23 03:13:09,028 INFO L448 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-11-23 03:13:09,028 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-11-23 03:13:09,028 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-11-23 03:13:09,028 INFO L448 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-11-23 03:13:09,028 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-23 03:13:09,028 INFO L448 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-11-23 03:13:09,028 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-11-23 03:13:09,028 INFO L448 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:13:09,028 INFO L448 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:13:09,028 INFO L448 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:13:09,028 INFO L448 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:13:09,028 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-23 03:13:09,028 INFO L448 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:13:09,029 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-11-23 03:13:09,029 INFO L448 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-23 03:13:09,029 INFO L448 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-23 03:13:09,029 INFO L448 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-23 03:13:09,029 INFO L448 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-23 03:13:09,029 INFO L448 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-23 03:13:09,029 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-11-23 03:13:09,029 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-23 03:13:09,029 INFO L448 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-11-23 03:13:09,029 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-11-23 03:13:09,029 INFO L448 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-11-23 03:13:09,029 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-11-23 03:13:09,029 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-11-23 03:13:09,029 INFO L448 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-11-23 03:13:09,029 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-11-23 03:13:09,029 INFO L448 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:13:09,030 INFO L448 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:13:09,030 INFO L448 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:13:09,030 INFO L448 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:13:09,030 INFO L448 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:13:09,030 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-11-23 03:13:09,030 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-11-23 03:13:09,030 INFO L448 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-11-23 03:13:09,030 INFO L448 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-23 03:13:09,030 INFO L448 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-23 03:13:09,030 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-23 03:13:09,030 INFO L448 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-23 03:13:09,030 INFO L448 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-23 03:13:09,030 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-11-23 03:13:09,030 INFO L448 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-11-23 03:13:09,030 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-11-23 03:13:09,030 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:13:09,031 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:13:09,031 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:13:09,031 INFO L448 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:13:09,031 INFO L448 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:13:09,031 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-11-23 03:13:09,031 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-11-23 03:13:09,031 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-11-23 03:13:09,031 INFO L448 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-23 03:13:09,031 INFO L448 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-23 03:13:09,031 INFO L448 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-11-23 03:13:09,031 INFO L448 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-23 03:13:09,031 INFO L448 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-11-23 03:13:09,031 INFO L448 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-23 03:13:09,031 INFO L448 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-11-23 03:13:09,031 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-11-23 03:13:09,031 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-11-23 03:13:09,031 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-11-23 03:13:09,032 INFO L448 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:13:09,032 INFO L448 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:13:09,032 INFO L448 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:13:09,032 INFO L448 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:13:09,032 INFO L448 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:13:09,032 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-11-23 03:13:09,032 INFO L448 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-23 03:13:09,032 INFO L448 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-11-23 03:13:09,032 INFO L448 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-11-23 03:13:09,032 INFO L448 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-23 03:13:09,032 INFO L448 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-23 03:13:09,032 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 592) no Hoare annotation was computed. [2018-11-23 03:13:09,032 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-11-23 03:13:09,032 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-11-23 03:13:09,032 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-11-23 03:13:09,033 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-11-23 03:13:09,033 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-11-23 03:13:09,033 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-11-23 03:13:09,033 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-11-23 03:13:09,033 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-23 03:13:09,033 INFO L448 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-11-23 03:13:09,033 INFO L448 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-11-23 03:13:09,033 INFO L448 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:13:09,033 INFO L448 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:13:09,033 INFO L448 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:13:09,033 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:13:09,033 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-11-23 03:13:09,033 INFO L448 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:13:09,033 INFO L448 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-11-23 03:13:09,034 INFO L448 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:13:09,034 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-23 03:13:09,034 INFO L448 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-11-23 03:13:09,034 INFO L448 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-11-23 03:13:09,034 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:13:09,034 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:13:09,034 INFO L448 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-23 03:13:09,034 INFO L448 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-23 03:13:09,034 INFO L448 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-11-23 03:13:09,034 INFO L448 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-23 03:13:09,034 INFO L448 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-23 03:13:09,034 INFO L448 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-11-23 03:13:09,034 INFO L448 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-11-23 03:13:09,034 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-11-23 03:13:09,034 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-11-23 03:13:09,034 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-11-23 03:13:09,035 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-11-23 03:13:09,035 INFO L448 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:13:09,035 INFO L448 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:13:09,035 INFO L448 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:13:09,035 INFO L448 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:13:09,035 INFO L448 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:13:09,035 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:13:09,035 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-11-23 03:13:09,035 INFO L448 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-23 03:13:09,035 INFO L448 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-23 03:13:09,035 INFO L448 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-23 03:13:09,035 INFO L448 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-23 03:13:09,035 INFO L448 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-23 03:13:09,035 INFO L448 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-23 03:13:09,035 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-11-23 03:13:09,035 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-11-23 03:13:09,036 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-11-23 03:13:09,036 INFO L448 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-11-23 03:13:09,036 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:13:09,036 INFO L448 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:13:09,036 INFO L448 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:13:09,036 INFO L448 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:13:09,036 INFO L448 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:13:09,036 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:13:09,036 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-11-23 03:13:09,036 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-11-23 03:13:09,036 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-11-23 03:13:09,036 INFO L448 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-11-23 03:13:09,036 INFO L448 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-23 03:13:09,036 INFO L448 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-11-23 03:13:09,036 INFO L448 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-11-23 03:13:09,036 INFO L448 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-23 03:13:09,036 INFO L448 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-23 03:13:09,037 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-11-23 03:13:09,037 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-11-23 03:13:09,037 INFO L448 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-11-23 03:13:09,037 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-11-23 03:13:09,037 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-11-23 03:13:09,037 INFO L448 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:13:09,037 INFO L448 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:13:09,037 INFO L448 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:13:09,037 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse15 (= 1 |old(~a19~0)|)) (.cse20 (= 1 |old(~a25~0)|))) (let ((.cse7 (not .cse20)) (.cse0 (not (= 1 ~a21~0))) (.cse8 (not .cse15)) (.cse27 (= 0 |old(~a28~0)|)) (.cse12 (not (= 8 |old(~a17~0)|))) (.cse28 (= |old(~a11~0)| ~a11~0)) (.cse9 (= ~a17~0 8)) (.cse29 (= ~a19~0 |old(~a19~0)|)) (.cse30 (= ~a28~0 |old(~a28~0)|)) (.cse1 (= 1 |old(~a11~0)|)) (.cse11 (= ~a11~0 1))) (let ((.cse2 (not .cse11)) (.cse22 (= |old(~a28~0)| ~a28~0)) (.cse18 (= 8 ~a17~0)) (.cse21 (= 9 |old(~a28~0)|)) (.cse14 (not .cse1)) (.cse16 (= 7 ~a28~0)) (.cse17 (= 1 ~a11~0)) (.cse23 (= 7 ~a17~0)) (.cse19 (= 1 ~a19~0)) (.cse24 (= |old(~a25~0)| ~a25~0)) (.cse5 (not (= 7 |old(~a17~0)|))) (.cse6 (not (= 7 |old(~a28~0)|))) (.cse3 (= |old(~a17~0)| |old(~a28~0)|)) (.cse10 (= ~a25~0 1)) (.cse25 (not (= 10 |old(~a28~0)|))) (.cse4 (< 0 |old(~a19~0)|)) (.cse26 (and .cse28 .cse9 .cse29 .cse30 (= ~a25~0 |old(~a25~0)|))) (.cse13 (= |calculate_output_#in~input| 0)) (.cse31 (and (or .cse0 .cse7 .cse27 .cse12) (or .cse0 .cse8 .cse27 (not (= 0 |old(~a11~0)|)) .cse12)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse6 .cse7 .cse8 (and .cse9 (= ~a19~0 1) (= ~a28~0 7) .cse10 .cse11) .cse12 .cse13 .cse14) (or .cse15 .cse0 .cse6 .cse12 (and .cse16 (not .cse10) .cse17 .cse18 (not .cse19)) .cse14 .cse20) (or .cse0 .cse1 .cse3 .cse21 (and .cse22 .cse23 .cse24 .cse2) .cse20 .cse5) (or (and .cse17 .cse18 .cse19 .cse24 (= 10 ~a28~0)) .cse0 .cse25 .cse7 .cse8 .cse12 .cse14) (or .cse0 .cse1 .cse26 (not (= 8 |old(~a28~0)|)) .cse12 .cse4 .cse13 .cse20) (or .cse0 .cse3 .cse4 (and .cse22 (<= ~a19~0 0) .cse23 .cse24) .cse5) (or .cse0 .cse7 .cse8 .cse12 (and .cse17 (= 1 ~a25~0) (= 9 ~a28~0) .cse18 .cse19) (not .cse21) .cse14) (or .cse0 .cse6 .cse7 .cse8 .cse14 (and .cse16 .cse17 .cse23 .cse19 .cse24) .cse5) (or (or .cse0 .cse6 .cse1 .cse4 .cse13 .cse20) .cse12 .cse26) (or .cse0 .cse26 .cse8 .cse27 .cse3 .cse12 .cse13 .cse20) (or .cse13 (and .cse28 (and .cse9 .cse10) .cse29 .cse30) .cse1 .cse25 .cse31 .cse4) (or .cse7 .cse26 .cse13 .cse1 .cse8 .cse31))))) [2018-11-23 03:13:09,038 INFO L448 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:13:09,038 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:13:09,038 INFO L448 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:13:09,038 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-11-23 03:13:09,038 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-11-23 03:13:09,038 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-11-23 03:13:09,038 INFO L448 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-11-23 03:13:09,038 INFO L448 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-23 03:13:09,038 INFO L448 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-23 03:13:09,038 INFO L448 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-11-23 03:13:09,038 INFO L448 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-23 03:13:09,038 INFO L448 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-11-23 03:13:09,038 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-11-23 03:13:09,038 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-11-23 03:13:09,038 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-11-23 03:13:09,038 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-11-23 03:13:09,039 INFO L448 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:13:09,039 INFO L448 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:13:09,039 INFO L448 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:13:09,039 INFO L448 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:13:09,039 INFO L448 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:13:09,039 INFO L448 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:13:09,039 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-11-23 03:13:09,039 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-11-23 03:13:09,039 INFO L448 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-23 03:13:09,039 INFO L448 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-11-23 03:13:09,039 INFO L448 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-11-23 03:13:09,039 INFO L448 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-11-23 03:13:09,039 INFO L448 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-23 03:13:09,039 INFO L448 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-11-23 03:13:09,039 INFO L448 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-11-23 03:13:09,039 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-11-23 03:13:09,039 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-11-23 03:13:09,040 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-11-23 03:13:09,040 INFO L448 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-11-23 03:13:09,040 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-11-23 03:13:09,040 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-11-23 03:13:09,040 INFO L448 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-11-23 03:13:09,040 INFO L448 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:13:09,040 INFO L448 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:13:09,040 INFO L448 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:13:09,040 INFO L448 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:13:09,040 INFO L448 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 03:13:09,040 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-11-23 03:13:09,040 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-11-23 03:13:09,040 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-11-23 03:13:09,040 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-11-23 03:13:09,040 INFO L448 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-23 03:13:09,040 INFO L448 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-23 03:13:09,040 INFO L448 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-23 03:13:09,041 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-23 03:13:09,041 INFO L448 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-23 03:13:09,041 INFO L448 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-23 03:13:09,041 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-11-23 03:13:09,041 INFO L448 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-11-23 03:13:09,041 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-11-23 03:13:09,041 INFO L448 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-11-23 03:13:09,041 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-11-23 03:13:09,041 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-11-23 03:13:09,041 INFO L448 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-11-23 03:13:09,041 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-11-23 03:13:09,041 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-11-23 03:13:09,041 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 03:13:09,041 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a21~0 1)) [2018-11-23 03:13:09,041 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 03:13:09,042 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 03:13:09,042 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a11~0)|)) (and (= ~a11~0 0) (= ~a25~0 |old(~a25~0)|) (= |old(~a28~0)| ~a28~0) (= ~a17~0 8) (= ~a19~0 |old(~a19~0)|)) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|))) [2018-11-23 03:13:09,042 INFO L444 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse15 (= ~a19~0 1)) (.cse6 (not (= ~a28~0 0))) (.cse7 (= ~a17~0 8)) (.cse16 (= ~a25~0 1)) (.cse12 (= 1 ~a25~0))) (let ((.cse3 (= 10 ~a28~0)) (.cse0 (<= ~a19~0 0)) (.cse14 (not .cse12)) (.cse9 (= 7 ~a28~0)) (.cse10 (= 1 ~a11~0)) (.cse13 (= 8 ~a17~0)) (.cse5 (not (= ~a28~0 ~a17~0))) (.cse4 (not .cse16)) (.cse11 (= 7 ~a17~0)) (.cse1 (let ((.cse17 (= ~a21~0 1))) (or (and (= ~a11~0 0) .cse6 .cse7 .cse15 .cse17) (and .cse6 .cse7 .cse17 .cse16)))) (.cse2 (not (= ~a11~0 1))) (.cse8 (= 1 ~a19~0))) (or (not (= 1 ~a21~0)) (and (and .cse0 .cse1 .cse2) .cse3) (and .cse4 .cse5 .cse6 .cse7 .cse8) (not (= 0 |old(~a11~0)|)) (and .cse9 .cse10 .cse11 .cse12 .cse8) (and (= 9 ~a28~0) .cse13 .cse8) (and .cse0 .cse5 .cse11) (and (and .cse0 .cse9 .cse14) .cse13) (not (= 1 |old(~a19~0)|)) (and .cse13 .cse8 .cse3) (not (= 7 |old(~a28~0)|)) (and .cse0 .cse2 (= 8 ~a28~0) .cse14 .cse13) (and .cse9 .cse4 .cse10 .cse13) (and .cse5 .cse4 .cse11 .cse2 (not (= ~a28~0 9))) (and .cse7 .cse15 (= ~a28~0 7)) (not (= 0 |old(~a25~0)|)) (not (= |old(~a17~0)| 8)) (and (and .cse1 .cse2) .cse16 .cse8)))) [2018-11-23 03:13:09,042 INFO L448 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2018-11-23 03:13:09,042 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-11-23 03:13:09,042 INFO L444 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse3 (= 1 ~a25~0)) (.cse15 (= ~a19~0 1)) (.cse16 (not (= ~a28~0 0))) (.cse14 (= ~a17~0 8)) (.cse10 (= ~a25~0 1))) (let ((.cse8 (= 10 ~a28~0)) (.cse12 (let ((.cse18 (= ~a21~0 1))) (or (and (= ~a11~0 0) .cse16 .cse14 .cse15 .cse18) (and .cse16 .cse14 .cse18 .cse10)))) (.cse1 (= 1 ~a11~0)) (.cse5 (= 8 ~a17~0)) (.cse4 (= 1 ~a19~0)) (.cse2 (= 7 ~a17~0)) (.cse13 (not .cse10)) (.cse7 (not (= ~a28~0 ~a17~0))) (.cse11 (not (= ~a11~0 1))) (.cse9 (not (= main_~input~0 0))) (.cse6 (<= ~a19~0 0)) (.cse0 (= 7 ~a28~0)) (.cse17 (not .cse3))) (or (not (= 1 ~a21~0)) (not (= 0 |old(~a11~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse3 (= 9 ~a28~0) .cse5 .cse4) (and .cse6 .cse7 .cse2) (not (= 1 |old(~a19~0)|)) (and .cse1 .cse3 .cse5 .cse4 .cse8) (not (= 7 |old(~a28~0)|)) (and .cse9 .cse10 .cse11 .cse4 .cse12) (and .cse9 .cse6 .cse8 .cse11 .cse12) (and .cse0 .cse13 .cse1 .cse5 (not .cse4)) (and .cse7 .cse13 .cse2 .cse11 (not (= ~a28~0 9))) (not (= 0 |old(~a25~0)|)) (and .cse9 .cse14 .cse15 (= ~a28~0 7)) (and .cse9 .cse13 .cse7 .cse16 .cse14 .cse15) (and .cse9 .cse6 .cse11 (= 8 ~a28~0) .cse17 .cse14) (not (= |old(~a17~0)| 8)) (and .cse9 .cse6 .cse0 .cse17 .cse14)))) [2018-11-23 03:13:09,042 INFO L448 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-23 03:13:09,042 INFO L448 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-11-23 03:13:09,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:13:09 BoogieIcfgContainer [2018-11-23 03:13:09,053 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 03:13:09,053 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 03:13:09,053 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 03:13:09,053 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 03:13:09,054 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:12:30" (3/4) ... [2018-11-23 03:13:09,057 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 03:13:09,062 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 03:13:09,062 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 03:13:09,062 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 03:13:09,071 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 03:13:09,072 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 03:13:09,102 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((!(1 == a21) || (((a19 <= 0 && (((((a11 == 0 && !(a28 == 0)) && a17 == 8) && a19 == 1) && a21 == 1) || (((!(a28 == 0) && a17 == 8) && a21 == 1) && a25 == 1))) && !(a11 == 1)) && 10 == a28)) || ((((!(a25 == 1) && !(a28 == a17)) && !(a28 == 0)) && a17 == 8) && 1 == a19)) || !(0 == \old(a11))) || ((((7 == a28 && 1 == a11) && 7 == a17) && 1 == a25) && 1 == a19)) || ((9 == a28 && 8 == a17) && 1 == a19)) || ((a19 <= 0 && !(a28 == a17)) && 7 == a17)) || (((a19 <= 0 && 7 == a28) && !(1 == a25)) && 8 == a17)) || !(1 == \old(a19))) || ((8 == a17 && 1 == a19) && 10 == a28)) || !(7 == \old(a28))) || ((((a19 <= 0 && !(a11 == 1)) && 8 == a28) && !(1 == a25)) && 8 == a17)) || (((7 == a28 && !(a25 == 1)) && 1 == a11) && 8 == a17)) || ((((!(a28 == a17) && !(a25 == 1)) && 7 == a17) && !(a11 == 1)) && !(a28 == 9))) || ((a17 == 8 && a19 == 1) && a28 == 7)) || !(0 == \old(a25))) || !(\old(a17) == 8)) || ((((((((a11 == 0 && !(a28 == 0)) && a17 == 8) && a19 == 1) && a21 == 1) || (((!(a28 == 0) && a17 == 8) && a21 == 1) && a25 == 1)) && !(a11 == 1)) && a25 == 1) && 1 == a19) [2018-11-23 03:13:09,172 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_bb02e011-1104-42ec-8f8a-62da753e86ab/bin-2019/utaipan/witness.graphml [2018-11-23 03:13:09,172 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 03:13:09,172 INFO L168 Benchmark]: Toolchain (without parser) took 40278.65 ms. Allocated memory was 1.0 GB in the beginning and 2.9 GB in the end (delta: 1.9 GB). Free memory was 956.6 MB in the beginning and 2.5 GB in the end (delta: -1.5 GB). Peak memory consumption was 349.3 MB. Max. memory is 11.5 GB. [2018-11-23 03:13:09,173 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 03:13:09,173 INFO L168 Benchmark]: CACSL2BoogieTranslator took 370.94 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 924.2 MB in the end (delta: 32.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. [2018-11-23 03:13:09,173 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 924.2 MB in the beginning and 1.1 GB in the end (delta: -211.4 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2018-11-23 03:13:09,174 INFO L168 Benchmark]: Boogie Preprocessor took 50.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 03:13:09,174 INFO L168 Benchmark]: RCFGBuilder took 778.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 104.4 MB). Peak memory consumption was 104.4 MB. Max. memory is 11.5 GB. [2018-11-23 03:13:09,174 INFO L168 Benchmark]: TraceAbstraction took 38888.04 ms. Allocated memory was 1.2 GB in the beginning and 2.9 GB in the end (delta: 1.8 GB). Free memory was 1.0 GB in the beginning and 2.5 GB in the end (delta: -1.5 GB). Peak memory consumption was 2.0 GB. Max. memory is 11.5 GB. [2018-11-23 03:13:09,174 INFO L168 Benchmark]: Witness Printer took 118.62 ms. Allocated memory is still 2.9 GB. Free memory was 2.5 GB in the beginning and 2.5 GB in the end (delta: 38.0 MB). Peak memory consumption was 38.0 MB. Max. memory is 11.5 GB. [2018-11-23 03:13:09,176 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 370.94 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 924.2 MB in the end (delta: 32.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 68.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 924.2 MB in the beginning and 1.1 GB in the end (delta: -211.4 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 50.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 778.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 104.4 MB). Peak memory consumption was 104.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 38888.04 ms. Allocated memory was 1.2 GB in the beginning and 2.9 GB in the end (delta: 1.8 GB). Free memory was 1.0 GB in the beginning and 2.5 GB in the end (delta: -1.5 GB). Peak memory consumption was 2.0 GB. Max. memory is 11.5 GB. * Witness Printer took 118.62 ms. Allocated memory is still 2.9 GB. Free memory was 2.5 GB in the beginning and 2.5 GB in the end (delta: 38.0 MB). Peak memory consumption was 38.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 592]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((((((((((((!(1 == a21) || (((a19 <= 0 && (((((a11 == 0 && !(a28 == 0)) && a17 == 8) && a19 == 1) && a21 == 1) || (((!(a28 == 0) && a17 == 8) && a21 == 1) && a25 == 1))) && !(a11 == 1)) && 10 == a28)) || ((((!(a25 == 1) && !(a28 == a17)) && !(a28 == 0)) && a17 == 8) && 1 == a19)) || !(0 == \old(a11))) || ((((7 == a28 && 1 == a11) && 7 == a17) && 1 == a25) && 1 == a19)) || ((9 == a28 && 8 == a17) && 1 == a19)) || ((a19 <= 0 && !(a28 == a17)) && 7 == a17)) || (((a19 <= 0 && 7 == a28) && !(1 == a25)) && 8 == a17)) || !(1 == \old(a19))) || ((8 == a17 && 1 == a19) && 10 == a28)) || !(7 == \old(a28))) || ((((a19 <= 0 && !(a11 == 1)) && 8 == a28) && !(1 == a25)) && 8 == a17)) || (((7 == a28 && !(a25 == 1)) && 1 == a11) && 8 == a17)) || ((((!(a28 == a17) && !(a25 == 1)) && 7 == a17) && !(a11 == 1)) && !(a28 == 9))) || ((a17 == 8 && a19 == 1) && a28 == 7)) || !(0 == \old(a25))) || !(\old(a17) == 8)) || ((((((((a11 == 0 && !(a28 == 0)) && a17 == 8) && a19 == 1) && a21 == 1) || (((!(a28 == 0) && a17 == 8) && a21 == 1) && a25 == 1)) && !(a11 == 1)) && a25 == 1) && 1 == a19) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. SAFE Result, 38.8s OverallTime, 16 OverallIterations, 6 TraceHistogramMax, 24.9s AutomataDifference, 0.0s DeadEndRemovalTime, 3.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 2091 SDtfs, 20306 SDslu, 3343 SDs, 0 SdLazy, 27456 SolverSat, 3920 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.4s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 4646 GetRequests, 4332 SyntacticMatches, 21 SemanticMatches, 293 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3157 ImplicationChecksByTransitivity, 4.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6305occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 3.0s AbstIntTime, 9 AbstIntIterations, 3 AbstIntStrong, 0.9975148561127198 AbsIntWeakeningRatio, 0.15789473684210525 AbsIntAvgWeakeningVarsNumRemoved, 25.646198830409357 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 16 MinimizatonAttempts, 840 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 283 PreInvPairs, 397 NumberOfFragments, 1185 HoareAnnotationTreeSize, 283 FomulaSimplifications, 15851 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 7 FomulaSimplificationsInter, 16789 FormulaSimplificationTreeSizeReductionInter, 2.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 5433 NumberOfCodeBlocks, 5433 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 7205 ConstructedInterpolants, 0 QuantifiedInterpolants, 11306259 SizeOfPredicates, 20 NumberOfNonLiveVariables, 3687 ConjunctsInSsa, 44 ConjunctsInUnsatCore, 28 InterpolantComputations, 9 PerfectInterpolantSequences, 4850/5516 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...