./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label49_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a685fcf5-a4b3-4da8-a912-fe5bb5534d29/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a685fcf5-a4b3-4da8-a912-fe5bb5534d29/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a685fcf5-a4b3-4da8-a912-fe5bb5534d29/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a685fcf5-a4b3-4da8-a912-fe5bb5534d29/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label49_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a685fcf5-a4b3-4da8-a912-fe5bb5534d29/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a685fcf5-a4b3-4da8-a912-fe5bb5534d29/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 19252d9b977a1b2caf6b350b292ab440fef944ce ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 06:09:24,395 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 06:09:24,396 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 06:09:24,402 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 06:09:24,402 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 06:09:24,403 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 06:09:24,403 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 06:09:24,404 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 06:09:24,405 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 06:09:24,405 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 06:09:24,406 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 06:09:24,406 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 06:09:24,406 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 06:09:24,407 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 06:09:24,407 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 06:09:24,408 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 06:09:24,408 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 06:09:24,409 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 06:09:24,410 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 06:09:24,411 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 06:09:24,411 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 06:09:24,412 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 06:09:24,413 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 06:09:24,413 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 06:09:24,413 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 06:09:24,413 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 06:09:24,414 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 06:09:24,414 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 06:09:24,415 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 06:09:24,415 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 06:09:24,415 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 06:09:24,416 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 06:09:24,416 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 06:09:24,416 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 06:09:24,417 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 06:09:24,417 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 06:09:24,417 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a685fcf5-a4b3-4da8-a912-fe5bb5534d29/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 06:09:24,424 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 06:09:24,424 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 06:09:24,425 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 06:09:24,425 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 06:09:24,425 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 06:09:24,425 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 06:09:24,425 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 06:09:24,425 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 06:09:24,425 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 06:09:24,426 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 06:09:24,426 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 06:09:24,426 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 06:09:24,426 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 06:09:24,426 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 06:09:24,426 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 06:09:24,427 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 06:09:24,427 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 06:09:24,427 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 06:09:24,427 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 06:09:24,427 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 06:09:24,427 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 06:09:24,427 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 06:09:24,427 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 06:09:24,428 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 06:09:24,428 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 06:09:24,428 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 06:09:24,428 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 06:09:24,428 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 06:09:24,428 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 06:09:24,428 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 06:09:24,428 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 06:09:24,428 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 06:09:24,429 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 06:09:24,429 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 06:09:24,429 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 06:09:24,429 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 06:09:24,429 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_a685fcf5-a4b3-4da8-a912-fe5bb5534d29/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 -> 19252d9b977a1b2caf6b350b292ab440fef944ce [2018-12-09 06:09:24,445 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 06:09:24,453 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 06:09:24,456 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 06:09:24,457 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 06:09:24,458 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 06:09:24,458 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a685fcf5-a4b3-4da8-a912-fe5bb5534d29/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem14_label49_true-unreach-call_false-termination.c [2018-12-09 06:09:24,504 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a685fcf5-a4b3-4da8-a912-fe5bb5534d29/bin-2019/utaipan/data/853c8c947/58505f786605448a86d69b1ca9132128/FLAG1459a5684 [2018-12-09 06:09:24,896 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 06:09:24,896 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a685fcf5-a4b3-4da8-a912-fe5bb5534d29/sv-benchmarks/c/eca-rers2012/Problem14_label49_true-unreach-call_false-termination.c [2018-12-09 06:09:24,903 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a685fcf5-a4b3-4da8-a912-fe5bb5534d29/bin-2019/utaipan/data/853c8c947/58505f786605448a86d69b1ca9132128/FLAG1459a5684 [2018-12-09 06:09:25,243 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a685fcf5-a4b3-4da8-a912-fe5bb5534d29/bin-2019/utaipan/data/853c8c947/58505f786605448a86d69b1ca9132128 [2018-12-09 06:09:25,245 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 06:09:25,246 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 06:09:25,246 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 06:09:25,246 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 06:09:25,249 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 06:09:25,249 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:09:25" (1/1) ... [2018-12-09 06:09:25,251 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53e7e914 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:09:25, skipping insertion in model container [2018-12-09 06:09:25,251 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:09:25" (1/1) ... [2018-12-09 06:09:25,255 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 06:09:25,287 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 06:09:25,491 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 06:09:25,493 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 06:09:25,586 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 06:09:25,595 INFO L195 MainTranslator]: Completed translation [2018-12-09 06:09:25,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:09:25 WrapperNode [2018-12-09 06:09:25,596 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 06:09:25,596 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 06:09:25,596 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 06:09:25,596 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 06:09:25,602 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:09:25" (1/1) ... [2018-12-09 06:09:25,612 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:09:25" (1/1) ... [2018-12-09 06:09:25,616 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 06:09:25,617 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 06:09:25,617 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 06:09:25,617 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 06:09:25,623 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:09:25" (1/1) ... [2018-12-09 06:09:25,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:09:25" (1/1) ... [2018-12-09 06:09:25,626 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:09:25" (1/1) ... [2018-12-09 06:09:25,626 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:09:25" (1/1) ... [2018-12-09 06:09:25,643 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:09:25" (1/1) ... [2018-12-09 06:09:25,650 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:09:25" (1/1) ... [2018-12-09 06:09:25,654 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:09:25" (1/1) ... [2018-12-09 06:09:25,659 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 06:09:25,659 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 06:09:25,659 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 06:09:25,659 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 06:09:25,660 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:09:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a685fcf5-a4b3-4da8-a912-fe5bb5534d29/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 06:09:25,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 06:09:25,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 06:09:25,700 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-09 06:09:25,700 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-09 06:09:25,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 06:09:25,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 06:09:25,700 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 06:09:25,700 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 06:09:26,395 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 06:09:26,395 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-09 06:09:26,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:09:26 BoogieIcfgContainer [2018-12-09 06:09:26,395 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 06:09:26,396 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 06:09:26,396 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 06:09:26,399 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 06:09:26,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 06:09:25" (1/3) ... [2018-12-09 06:09:26,399 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fd1da1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:09:26, skipping insertion in model container [2018-12-09 06:09:26,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:09:25" (2/3) ... [2018-12-09 06:09:26,400 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fd1da1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:09:26, skipping insertion in model container [2018-12-09 06:09:26,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:09:26" (3/3) ... [2018-12-09 06:09:26,401 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label49_true-unreach-call_false-termination.c [2018-12-09 06:09:26,410 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 06:09:26,416 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 06:09:26,430 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 06:09:26,458 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 06:09:26,458 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 06:09:26,458 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 06:09:26,458 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 06:09:26,458 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 06:09:26,458 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 06:09:26,458 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 06:09:26,459 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 06:09:26,478 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2018-12-09 06:09:26,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-09 06:09:26,484 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:09:26,485 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] [2018-12-09 06:09:26,487 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 06:09:26,491 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:09:26,491 INFO L82 PathProgramCache]: Analyzing trace with hash -989018502, now seen corresponding path program 1 times [2018-12-09 06:09:26,493 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 06:09:26,524 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:09:26,524 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:09:26,524 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:09:26,524 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 06:09:26,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:09:26,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:09:26,709 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 06:09:26,709 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 06:09:26,710 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 06:09:26,714 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 06:09:26,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 06:09:26,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-09 06:09:26,727 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 4 states. [2018-12-09 06:09:27,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:09:27,587 INFO L93 Difference]: Finished difference Result 890 states and 1607 transitions. [2018-12-09 06:09:27,588 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 06:09:27,588 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 65 [2018-12-09 06:09:27,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:09:27,598 INFO L225 Difference]: With dead ends: 890 [2018-12-09 06:09:27,598 INFO L226 Difference]: Without dead ends: 554 [2018-12-09 06:09:27,602 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-09 06:09:27,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2018-12-09 06:09:27,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 554. [2018-12-09 06:09:27,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 554 states. [2018-12-09 06:09:27,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 776 transitions. [2018-12-09 06:09:27,644 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 776 transitions. Word has length 65 [2018-12-09 06:09:27,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:09:27,645 INFO L480 AbstractCegarLoop]: Abstraction has 554 states and 776 transitions. [2018-12-09 06:09:27,645 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 06:09:27,645 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 776 transitions. [2018-12-09 06:09:27,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-09 06:09:27,648 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:09:27,649 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-09 06:09:27,649 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 06:09:27,649 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:09:27,650 INFO L82 PathProgramCache]: Analyzing trace with hash -2034317014, now seen corresponding path program 1 times [2018-12-09 06:09:27,650 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 06:09:27,650 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:09:27,650 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:09:27,651 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:09:27,651 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 06:09:27,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:09:27,743 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:09:27,744 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 06:09:27,744 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 06:09:27,744 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 06:09:27,745 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 06:09:27,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 06:09:27,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-09 06:09:27,745 INFO L87 Difference]: Start difference. First operand 554 states and 776 transitions. Second operand 4 states. [2018-12-09 06:09:28,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:09:28,403 INFO L93 Difference]: Finished difference Result 2194 states and 3132 transitions. [2018-12-09 06:09:28,403 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 06:09:28,403 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 177 [2018-12-09 06:09:28,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:09:28,408 INFO L225 Difference]: With dead ends: 2194 [2018-12-09 06:09:28,408 INFO L226 Difference]: Without dead ends: 1646 [2018-12-09 06:09:28,409 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-09 06:09:28,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1646 states. [2018-12-09 06:09:28,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1646 to 1464. [2018-12-09 06:09:28,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1464 states. [2018-12-09 06:09:28,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1464 states to 1464 states and 1994 transitions. [2018-12-09 06:09:28,438 INFO L78 Accepts]: Start accepts. Automaton has 1464 states and 1994 transitions. Word has length 177 [2018-12-09 06:09:28,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:09:28,439 INFO L480 AbstractCegarLoop]: Abstraction has 1464 states and 1994 transitions. [2018-12-09 06:09:28,439 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 06:09:28,439 INFO L276 IsEmpty]: Start isEmpty. Operand 1464 states and 1994 transitions. [2018-12-09 06:09:28,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2018-12-09 06:09:28,442 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:09:28,442 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 06:09:28,443 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 06:09:28,443 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:09:28,443 INFO L82 PathProgramCache]: Analyzing trace with hash -1543638766, now seen corresponding path program 1 times [2018-12-09 06:09:28,443 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 06:09:28,443 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:09:28,443 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:09:28,444 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:09:28,444 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 06:09:28,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:09:28,563 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 197 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:09:28,563 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 06:09:28,563 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 06:09:28,564 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 260 with the following transitions: [2018-12-09 06:09:28,565 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [429], [431], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [550], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [662], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-09 06:09:28,594 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 06:09:28,594 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 06:09:28,833 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 06:09:28,834 INFO L272 AbstractInterpreter]: Visited 116 different actions 116 times. Never merged. Never widened. Performed 1020 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1020 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 24 variables. [2018-12-09 06:09:28,839 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:09:28,839 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 06:09:29,144 INFO L227 lantSequenceWeakener]: Weakened 250 states. On average, predicates are now at 78.13% of their original sizes. [2018-12-09 06:09:29,144 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 06:09:29,166 INFO L418 sIntCurrentIteration]: We unified 258 AI predicates to 258 [2018-12-09 06:09:29,166 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 06:09:29,167 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 06:09:29,167 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-12-09 06:09:29,167 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 06:09:29,167 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 06:09:29,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 06:09:29,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 06:09:29,168 INFO L87 Difference]: Start difference. First operand 1464 states and 1994 transitions. Second operand 6 states. [2018-12-09 06:09:41,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:09:41,914 INFO L93 Difference]: Finished difference Result 3105 states and 4208 transitions. [2018-12-09 06:09:41,914 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 06:09:41,914 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 259 [2018-12-09 06:09:41,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:09:41,919 INFO L225 Difference]: With dead ends: 3105 [2018-12-09 06:09:41,919 INFO L226 Difference]: Without dead ends: 1647 [2018-12-09 06:09:41,921 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 259 GetRequests, 254 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-09 06:09:41,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1647 states. [2018-12-09 06:09:41,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1647 to 1646. [2018-12-09 06:09:41,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1646 states. [2018-12-09 06:09:41,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1646 states to 1646 states and 2183 transitions. [2018-12-09 06:09:41,946 INFO L78 Accepts]: Start accepts. Automaton has 1646 states and 2183 transitions. Word has length 259 [2018-12-09 06:09:41,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:09:41,946 INFO L480 AbstractCegarLoop]: Abstraction has 1646 states and 2183 transitions. [2018-12-09 06:09:41,946 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 06:09:41,946 INFO L276 IsEmpty]: Start isEmpty. Operand 1646 states and 2183 transitions. [2018-12-09 06:09:41,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2018-12-09 06:09:41,949 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:09:41,949 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 06:09:41,950 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 06:09:41,950 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:09:41,950 INFO L82 PathProgramCache]: Analyzing trace with hash 717046090, now seen corresponding path program 1 times [2018-12-09 06:09:41,950 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 06:09:41,950 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:09:41,951 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:09:41,951 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:09:41,951 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 06:09:41,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:09:42,289 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 259 proven. 161 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 06:09:42,289 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 06:09:42,289 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 06:09:42,289 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 344 with the following transitions: [2018-12-09 06:09:42,289 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [429], [431], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [550], [551], [554], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [662], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-09 06:09:42,291 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 06:09:42,292 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 06:09:42,379 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 06:09:42,379 INFO L272 AbstractInterpreter]: Visited 120 different actions 233 times. Merged at 3 different actions 3 times. Never widened. Performed 2099 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2099 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-09 06:09:42,381 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:09:42,381 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 06:09:42,586 INFO L227 lantSequenceWeakener]: Weakened 340 states. On average, predicates are now at 77.96% of their original sizes. [2018-12-09 06:09:42,587 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 06:09:42,634 INFO L418 sIntCurrentIteration]: We unified 342 AI predicates to 342 [2018-12-09 06:09:42,634 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 06:09:42,634 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 06:09:42,634 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [12] total 20 [2018-12-09 06:09:42,634 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 06:09:42,635 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 06:09:42,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 06:09:42,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 06:09:42,635 INFO L87 Difference]: Start difference. First operand 1646 states and 2183 transitions. Second operand 10 states. [2018-12-09 06:10:05,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:10:05,558 INFO L93 Difference]: Finished difference Result 3684 states and 4880 transitions. [2018-12-09 06:10:05,559 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-09 06:10:05,559 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 343 [2018-12-09 06:10:05,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:10:05,563 INFO L225 Difference]: With dead ends: 3684 [2018-12-09 06:10:05,563 INFO L226 Difference]: Without dead ends: 2226 [2018-12-09 06:10:05,564 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 351 GetRequests, 334 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-12-09 06:10:05,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2226 states. [2018-12-09 06:10:05,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2226 to 2012. [2018-12-09 06:10:05,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2012 states. [2018-12-09 06:10:05,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2012 states to 2012 states and 2607 transitions. [2018-12-09 06:10:05,591 INFO L78 Accepts]: Start accepts. Automaton has 2012 states and 2607 transitions. Word has length 343 [2018-12-09 06:10:05,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:10:05,591 INFO L480 AbstractCegarLoop]: Abstraction has 2012 states and 2607 transitions. [2018-12-09 06:10:05,591 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 06:10:05,591 INFO L276 IsEmpty]: Start isEmpty. Operand 2012 states and 2607 transitions. [2018-12-09 06:10:05,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 395 [2018-12-09 06:10:05,595 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:10:05,595 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 06:10:05,595 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 06:10:05,595 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:10:05,595 INFO L82 PathProgramCache]: Analyzing trace with hash -450068127, now seen corresponding path program 1 times [2018-12-09 06:10:05,596 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 06:10:05,596 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:10:05,596 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:10:05,596 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:10:05,596 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 06:10:05,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:10:06,111 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 185 proven. 267 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 06:10:06,112 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 06:10:06,112 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 06:10:06,112 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 395 with the following transitions: [2018-12-09 06:10:06,112 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [429], [431], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [562], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [658], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [750], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-09 06:10:06,115 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 06:10:06,115 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 06:10:06,277 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 06:10:06,277 INFO L272 AbstractInterpreter]: Visited 142 different actions 278 times. Merged at 4 different actions 4 times. Never widened. Performed 2652 root evaluator evaluations with a maximum evaluation depth of 13. Performed 2652 inverse root evaluator evaluations with a maximum inverse evaluation depth of 13. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-09 06:10:06,288 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:10:06,288 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 06:10:06,528 INFO L227 lantSequenceWeakener]: Weakened 391 states. On average, predicates are now at 77.87% of their original sizes. [2018-12-09 06:10:06,529 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 06:10:06,563 INFO L418 sIntCurrentIteration]: We unified 393 AI predicates to 393 [2018-12-09 06:10:06,563 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 06:10:06,563 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 06:10:06,564 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [14] total 22 [2018-12-09 06:10:06,564 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 06:10:06,564 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 06:10:06,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 06:10:06,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 06:10:06,565 INFO L87 Difference]: Start difference. First operand 2012 states and 2607 transitions. Second operand 10 states. [2018-12-09 06:10:16,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:10:16,417 INFO L93 Difference]: Finished difference Result 4386 states and 5621 transitions. [2018-12-09 06:10:16,417 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-09 06:10:16,417 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 394 [2018-12-09 06:10:16,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:10:16,422 INFO L225 Difference]: With dead ends: 4386 [2018-12-09 06:10:16,422 INFO L226 Difference]: Without dead ends: 2380 [2018-12-09 06:10:16,425 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 401 GetRequests, 385 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-12-09 06:10:16,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2380 states. [2018-12-09 06:10:16,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2380 to 2378. [2018-12-09 06:10:16,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2378 states. [2018-12-09 06:10:16,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2378 states to 2378 states and 2995 transitions. [2018-12-09 06:10:16,462 INFO L78 Accepts]: Start accepts. Automaton has 2378 states and 2995 transitions. Word has length 394 [2018-12-09 06:10:16,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:10:16,463 INFO L480 AbstractCegarLoop]: Abstraction has 2378 states and 2995 transitions. [2018-12-09 06:10:16,463 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 06:10:16,463 INFO L276 IsEmpty]: Start isEmpty. Operand 2378 states and 2995 transitions. [2018-12-09 06:10:16,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2018-12-09 06:10:16,467 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:10:16,468 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 06:10:16,468 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 06:10:16,468 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:10:16,468 INFO L82 PathProgramCache]: Analyzing trace with hash -100424438, now seen corresponding path program 1 times [2018-12-09 06:10:16,468 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 06:10:16,469 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:10:16,469 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:10:16,469 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:10:16,469 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 06:10:16,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:10:16,657 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 310 proven. 124 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-12-09 06:10:16,658 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 06:10:16,658 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 06:10:16,658 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 396 with the following transitions: [2018-12-09 06:10:16,658 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [429], [431], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [659], [662], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-09 06:10:16,660 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 06:10:16,660 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 06:10:19,972 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 06:10:19,972 INFO L272 AbstractInterpreter]: Visited 120 different actions 357 times. Merged at 6 different actions 17 times. Never widened. Performed 3412 root evaluator evaluations with a maximum evaluation depth of 21. Performed 3412 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 3 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-09 06:10:19,974 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:10:19,974 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 06:10:20,561 INFO L227 lantSequenceWeakener]: Weakened 392 states. On average, predicates are now at 80.51% of their original sizes. [2018-12-09 06:10:20,561 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 06:10:20,618 INFO L418 sIntCurrentIteration]: We unified 394 AI predicates to 394 [2018-12-09 06:10:20,618 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 06:10:20,618 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 06:10:20,618 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [7] total 15 [2018-12-09 06:10:20,618 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 06:10:20,619 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 06:10:20,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 06:10:20,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 06:10:20,619 INFO L87 Difference]: Start difference. First operand 2378 states and 2995 transitions. Second operand 10 states. [2018-12-09 06:10:32,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:10:32,734 INFO L93 Difference]: Finished difference Result 5153 states and 6812 transitions. [2018-12-09 06:10:32,734 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-09 06:10:32,734 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 395 [2018-12-09 06:10:32,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:10:32,739 INFO L225 Difference]: With dead ends: 5153 [2018-12-09 06:10:32,739 INFO L226 Difference]: Without dead ends: 3147 [2018-12-09 06:10:32,740 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 405 GetRequests, 386 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2018-12-09 06:10:32,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3147 states. [2018-12-09 06:10:32,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3147 to 3124. [2018-12-09 06:10:32,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3124 states. [2018-12-09 06:10:32,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3124 states to 3124 states and 3931 transitions. [2018-12-09 06:10:32,770 INFO L78 Accepts]: Start accepts. Automaton has 3124 states and 3931 transitions. Word has length 395 [2018-12-09 06:10:32,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:10:32,771 INFO L480 AbstractCegarLoop]: Abstraction has 3124 states and 3931 transitions. [2018-12-09 06:10:32,771 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 06:10:32,771 INFO L276 IsEmpty]: Start isEmpty. Operand 3124 states and 3931 transitions. [2018-12-09 06:10:32,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 480 [2018-12-09 06:10:32,777 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:10:32,777 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 06:10:32,777 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 06:10:32,777 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:10:32,778 INFO L82 PathProgramCache]: Analyzing trace with hash -1844358318, now seen corresponding path program 1 times [2018-12-09 06:10:32,778 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 06:10:32,778 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:10:32,778 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:10:32,779 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:10:32,779 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 06:10:32,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:10:32,927 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 539 proven. 2 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2018-12-09 06:10:32,927 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 06:10:32,927 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 06:10:32,928 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 480 with the following transitions: [2018-12-09 06:10:32,928 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [429], [431], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [554], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [659], [662], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-09 06:10:32,930 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 06:10:32,930 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 06:10:39,040 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 06:10:39,041 INFO L272 AbstractInterpreter]: Visited 122 different actions 483 times. Merged at 8 different actions 28 times. Never widened. Performed 4567 root evaluator evaluations with a maximum evaluation depth of 21. Performed 4567 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 9 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-09 06:10:39,043 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:10:39,044 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 06:10:39,044 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 06:10:39,044 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a685fcf5-a4b3-4da8-a912-fe5bb5534d29/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 06:10:39,050 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:10:39,050 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 06:10:39,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:10:39,129 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:10:39,244 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 539 proven. 2 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2018-12-09 06:10:39,245 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 06:10:39,431 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 539 proven. 2 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2018-12-09 06:10:39,447 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 06:10:39,447 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-09 06:10:39,447 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 06:10:39,447 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 06:10:39,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 06:10:39,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-12-09 06:10:39,448 INFO L87 Difference]: Start difference. First operand 3124 states and 3931 transitions. Second operand 9 states. [2018-12-09 06:10:41,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:10:41,972 INFO L93 Difference]: Finished difference Result 8068 states and 10957 transitions. [2018-12-09 06:10:41,972 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-12-09 06:10:41,972 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 479 [2018-12-09 06:10:41,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:10:41,985 INFO L225 Difference]: With dead ends: 8068 [2018-12-09 06:10:41,985 INFO L226 Difference]: Without dead ends: 5132 [2018-12-09 06:10:41,988 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1018 GetRequests, 978 SyntacticMatches, 2 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 416 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=323, Invalid=1237, Unknown=0, NotChecked=0, Total=1560 [2018-12-09 06:10:41,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5132 states. [2018-12-09 06:10:42,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5132 to 4362. [2018-12-09 06:10:42,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4362 states. [2018-12-09 06:10:42,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4362 states to 4362 states and 5693 transitions. [2018-12-09 06:10:42,063 INFO L78 Accepts]: Start accepts. Automaton has 4362 states and 5693 transitions. Word has length 479 [2018-12-09 06:10:42,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:10:42,064 INFO L480 AbstractCegarLoop]: Abstraction has 4362 states and 5693 transitions. [2018-12-09 06:10:42,064 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 06:10:42,064 INFO L276 IsEmpty]: Start isEmpty. Operand 4362 states and 5693 transitions. [2018-12-09 06:10:42,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 552 [2018-12-09 06:10:42,068 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:10:42,068 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 06:10:42,068 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 06:10:42,068 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:10:42,068 INFO L82 PathProgramCache]: Analyzing trace with hash 562913078, now seen corresponding path program 1 times [2018-12-09 06:10:42,068 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 06:10:42,069 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:10:42,069 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:10:42,069 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:10:42,069 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 06:10:42,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:10:42,254 INFO L134 CoverageAnalysis]: Checked inductivity of 1159 backedges. 672 proven. 2 refuted. 0 times theorem prover too weak. 485 trivial. 0 not checked. [2018-12-09 06:10:42,254 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 06:10:42,254 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 06:10:42,254 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 552 with the following transitions: [2018-12-09 06:10:42,255 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [429], [431], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [510], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [550], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [659], [662], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-09 06:10:42,256 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 06:10:42,256 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 06:10:46,068 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 06:10:46,069 INFO L272 AbstractInterpreter]: Visited 123 different actions 484 times. Merged at 8 different actions 25 times. Never widened. Performed 4663 root evaluator evaluations with a maximum evaluation depth of 21. Performed 4663 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 8 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-09 06:10:46,071 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:10:46,071 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 06:10:46,071 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 06:10:46,071 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a685fcf5-a4b3-4da8-a912-fe5bb5534d29/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 06:10:46,077 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:10:46,077 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 06:10:46,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:10:46,152 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:10:46,254 INFO L134 CoverageAnalysis]: Checked inductivity of 1159 backedges. 672 proven. 2 refuted. 0 times theorem prover too weak. 485 trivial. 0 not checked. [2018-12-09 06:10:46,254 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 06:10:46,396 INFO L134 CoverageAnalysis]: Checked inductivity of 1159 backedges. 672 proven. 2 refuted. 0 times theorem prover too weak. 485 trivial. 0 not checked. [2018-12-09 06:10:46,410 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 06:10:46,411 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-12-09 06:10:46,411 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 06:10:46,411 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 06:10:46,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 06:10:46,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-12-09 06:10:46,412 INFO L87 Difference]: Start difference. First operand 4362 states and 5693 transitions. Second operand 9 states. [2018-12-09 06:10:47,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:10:47,661 INFO L93 Difference]: Finished difference Result 9468 states and 12979 transitions. [2018-12-09 06:10:47,662 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-09 06:10:47,662 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 551 [2018-12-09 06:10:47,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:10:47,680 INFO L225 Difference]: With dead ends: 9468 [2018-12-09 06:10:47,680 INFO L226 Difference]: Without dead ends: 4892 [2018-12-09 06:10:47,690 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1123 GetRequests, 1105 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=116, Invalid=226, Unknown=0, NotChecked=0, Total=342 [2018-12-09 06:10:47,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4892 states. [2018-12-09 06:10:47,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4892 to 4780. [2018-12-09 06:10:47,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4780 states. [2018-12-09 06:10:47,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4780 states to 4780 states and 6138 transitions. [2018-12-09 06:10:47,758 INFO L78 Accepts]: Start accepts. Automaton has 4780 states and 6138 transitions. Word has length 551 [2018-12-09 06:10:47,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:10:47,758 INFO L480 AbstractCegarLoop]: Abstraction has 4780 states and 6138 transitions. [2018-12-09 06:10:47,758 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 06:10:47,758 INFO L276 IsEmpty]: Start isEmpty. Operand 4780 states and 6138 transitions. [2018-12-09 06:10:47,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 556 [2018-12-09 06:10:47,762 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:10:47,762 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 06:10:47,762 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 06:10:47,762 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:10:47,762 INFO L82 PathProgramCache]: Analyzing trace with hash -933722006, now seen corresponding path program 1 times [2018-12-09 06:10:47,762 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 06:10:47,763 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:10:47,763 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:10:47,763 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:10:47,763 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 06:10:47,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:10:48,326 INFO L134 CoverageAnalysis]: Checked inductivity of 1168 backedges. 602 proven. 411 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2018-12-09 06:10:48,327 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 06:10:48,327 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 06:10:48,327 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 556 with the following transitions: [2018-12-09 06:10:48,327 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [429], [431], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [510], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [562], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [659], [663], [666], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-09 06:10:48,328 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 06:10:48,328 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 06:10:55,407 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 06:10:55,407 INFO L272 AbstractInterpreter]: Visited 124 different actions 494 times. Merged at 9 different actions 31 times. Never widened. Performed 4825 root evaluator evaluations with a maximum evaluation depth of 22. Performed 4825 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 8 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-09 06:10:55,409 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:10:55,409 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 06:10:55,409 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 06:10:55,409 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a685fcf5-a4b3-4da8-a912-fe5bb5534d29/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 06:10:55,415 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:10:55,415 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 06:10:55,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:10:55,477 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:10:55,564 INFO L134 CoverageAnalysis]: Checked inductivity of 1168 backedges. 302 proven. 0 refuted. 0 times theorem prover too weak. 866 trivial. 0 not checked. [2018-12-09 06:10:55,564 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 06:10:55,662 INFO L134 CoverageAnalysis]: Checked inductivity of 1168 backedges. 302 proven. 0 refuted. 0 times theorem prover too weak. 866 trivial. 0 not checked. [2018-12-09 06:10:55,677 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-09 06:10:55,678 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [14] total 16 [2018-12-09 06:10:55,678 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 06:10:55,678 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 06:10:55,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 06:10:55,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2018-12-09 06:10:55,678 INFO L87 Difference]: Start difference. First operand 4780 states and 6138 transitions. Second operand 3 states. [2018-12-09 06:10:56,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:10:56,257 INFO L93 Difference]: Finished difference Result 11050 states and 14505 transitions. [2018-12-09 06:10:56,257 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 06:10:56,258 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 555 [2018-12-09 06:10:56,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:10:56,271 INFO L225 Difference]: With dead ends: 11050 [2018-12-09 06:10:56,271 INFO L226 Difference]: Without dead ends: 6458 [2018-12-09 06:10:56,278 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1125 GetRequests, 1111 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2018-12-09 06:10:56,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6458 states. [2018-12-09 06:10:56,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6458 to 5902. [2018-12-09 06:10:56,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5902 states. [2018-12-09 06:10:56,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5902 states to 5902 states and 7514 transitions. [2018-12-09 06:10:56,343 INFO L78 Accepts]: Start accepts. Automaton has 5902 states and 7514 transitions. Word has length 555 [2018-12-09 06:10:56,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:10:56,344 INFO L480 AbstractCegarLoop]: Abstraction has 5902 states and 7514 transitions. [2018-12-09 06:10:56,344 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 06:10:56,344 INFO L276 IsEmpty]: Start isEmpty. Operand 5902 states and 7514 transitions. [2018-12-09 06:10:56,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 564 [2018-12-09 06:10:56,348 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:10:56,348 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 06:10:56,348 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 06:10:56,349 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:10:56,349 INFO L82 PathProgramCache]: Analyzing trace with hash -2072652706, now seen corresponding path program 1 times [2018-12-09 06:10:56,349 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 06:10:56,349 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:10:56,349 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:10:56,350 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:10:56,350 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 06:10:56,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:10:56,859 INFO L134 CoverageAnalysis]: Checked inductivity of 1195 backedges. 587 proven. 429 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-12-09 06:10:56,859 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 06:10:56,859 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 06:10:56,859 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 564 with the following transitions: [2018-12-09 06:10:56,859 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [429], [431], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [510], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [598], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [659], [662], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-09 06:10:56,860 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 06:10:56,860 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 06:11:00,763 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 06:11:00,763 INFO L272 AbstractInterpreter]: Visited 123 different actions 491 times. Merged at 9 different actions 32 times. Never widened. Performed 4737 root evaluator evaluations with a maximum evaluation depth of 21. Performed 4737 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 8 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-09 06:11:00,765 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:11:00,765 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 06:11:00,765 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 06:11:00,765 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a685fcf5-a4b3-4da8-a912-fe5bb5534d29/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 06:11:00,771 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:11:00,771 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 06:11:00,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:11:00,842 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:11:00,961 INFO L134 CoverageAnalysis]: Checked inductivity of 1195 backedges. 684 proven. 2 refuted. 0 times theorem prover too weak. 509 trivial. 0 not checked. [2018-12-09 06:11:00,961 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 06:11:01,125 INFO L134 CoverageAnalysis]: Checked inductivity of 1195 backedges. 684 proven. 2 refuted. 0 times theorem prover too weak. 509 trivial. 0 not checked. [2018-12-09 06:11:01,140 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 06:11:01,140 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 5, 5] total 19 [2018-12-09 06:11:01,140 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 06:11:01,141 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-12-09 06:11:01,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-12-09 06:11:01,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=273, Unknown=0, NotChecked=0, Total=342 [2018-12-09 06:11:01,141 INFO L87 Difference]: Start difference. First operand 5902 states and 7514 transitions. Second operand 17 states. [2018-12-09 06:11:02,689 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 30 [2018-12-09 06:11:03,243 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 30 [2018-12-09 06:11:03,957 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 32 [2018-12-09 06:11:04,180 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 23 [2018-12-09 06:11:05,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:11:05,942 INFO L93 Difference]: Finished difference Result 10489 states and 13976 transitions. [2018-12-09 06:11:05,942 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-12-09 06:11:05,942 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 563 [2018-12-09 06:11:05,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:11:05,954 INFO L225 Difference]: With dead ends: 10489 [2018-12-09 06:11:05,954 INFO L226 Difference]: Without dead ends: 3943 [2018-12-09 06:11:05,969 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1203 GetRequests, 1143 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1046 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=792, Invalid=2868, Unknown=0, NotChecked=0, Total=3660 [2018-12-09 06:11:05,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3943 states. [2018-12-09 06:11:06,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3943 to 3756. [2018-12-09 06:11:06,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3756 states. [2018-12-09 06:11:06,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3756 states to 3756 states and 4051 transitions. [2018-12-09 06:11:06,013 INFO L78 Accepts]: Start accepts. Automaton has 3756 states and 4051 transitions. Word has length 563 [2018-12-09 06:11:06,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:11:06,013 INFO L480 AbstractCegarLoop]: Abstraction has 3756 states and 4051 transitions. [2018-12-09 06:11:06,013 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-12-09 06:11:06,013 INFO L276 IsEmpty]: Start isEmpty. Operand 3756 states and 4051 transitions. [2018-12-09 06:11:06,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 746 [2018-12-09 06:11:06,018 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:11:06,018 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 06:11:06,018 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 06:11:06,018 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:11:06,018 INFO L82 PathProgramCache]: Analyzing trace with hash 180184218, now seen corresponding path program 1 times [2018-12-09 06:11:06,018 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 06:11:06,019 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:11:06,019 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:11:06,019 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:11:06,019 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 06:11:06,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:11:06,469 INFO L134 CoverageAnalysis]: Checked inductivity of 1434 backedges. 526 proven. 280 refuted. 0 times theorem prover too weak. 628 trivial. 0 not checked. [2018-12-09 06:11:06,469 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 06:11:06,469 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 06:11:06,469 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 746 with the following transitions: [2018-12-09 06:11:06,469 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [429], [431], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [638], [639], [643], [647], [651], [654], [655], [658], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [791], [795], [799], [803], [807], [811], [815], [819], [823], [827], [831], [835], [839], [843], [847], [851], [855], [859], [863], [867], [871], [875], [879], [883], [887], [891], [895], [899], [903], [907], [911], [915], [919], [923], [926], [927], [931], [934], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-09 06:11:06,471 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 06:11:06,471 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 06:11:10,380 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 06:11:10,380 INFO L272 AbstractInterpreter]: Visited 191 different actions 765 times. Merged at 9 different actions 34 times. Widened at 1 different actions 2 times. Performed 8396 root evaluator evaluations with a maximum evaluation depth of 21. Performed 8396 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 9 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-09 06:11:10,382 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:11:10,382 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 06:11:10,382 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 06:11:10,382 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a685fcf5-a4b3-4da8-a912-fe5bb5534d29/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 06:11:10,388 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:11:10,388 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 06:11:10,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:11:10,465 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:11:10,618 INFO L134 CoverageAnalysis]: Checked inductivity of 1434 backedges. 717 proven. 2 refuted. 0 times theorem prover too weak. 715 trivial. 0 not checked. [2018-12-09 06:11:10,618 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 06:11:10,856 INFO L134 CoverageAnalysis]: Checked inductivity of 1434 backedges. 717 proven. 2 refuted. 0 times theorem prover too weak. 715 trivial. 0 not checked. [2018-12-09 06:11:10,871 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 06:11:10,872 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 11 [2018-12-09 06:11:10,872 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 06:11:10,872 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 06:11:10,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 06:11:10,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-12-09 06:11:10,873 INFO L87 Difference]: Start difference. First operand 3756 states and 4051 transitions. Second operand 10 states. [2018-12-09 06:11:11,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:11:11,808 INFO L93 Difference]: Finished difference Result 9214 states and 10157 transitions. [2018-12-09 06:11:11,808 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-12-09 06:11:11,808 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 745 [2018-12-09 06:11:11,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:11:11,815 INFO L225 Difference]: With dead ends: 9214 [2018-12-09 06:11:11,815 INFO L226 Difference]: Without dead ends: 5264 [2018-12-09 06:11:11,820 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1534 GetRequests, 1502 SyntacticMatches, 5 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=202, Invalid=610, Unknown=0, NotChecked=0, Total=812 [2018-12-09 06:11:11,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5264 states. [2018-12-09 06:11:11,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5264 to 5262. [2018-12-09 06:11:11,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5262 states. [2018-12-09 06:11:11,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5262 states to 5262 states and 5641 transitions. [2018-12-09 06:11:11,870 INFO L78 Accepts]: Start accepts. Automaton has 5262 states and 5641 transitions. Word has length 745 [2018-12-09 06:11:11,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:11:11,871 INFO L480 AbstractCegarLoop]: Abstraction has 5262 states and 5641 transitions. [2018-12-09 06:11:11,871 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 06:11:11,871 INFO L276 IsEmpty]: Start isEmpty. Operand 5262 states and 5641 transitions. [2018-12-09 06:11:11,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 963 [2018-12-09 06:11:11,878 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:11:11,878 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 06:11:11,878 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 06:11:11,878 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:11:11,879 INFO L82 PathProgramCache]: Analyzing trace with hash 447625649, now seen corresponding path program 1 times [2018-12-09 06:11:11,879 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 06:11:11,879 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:11:11,879 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:11:11,879 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:11:11,879 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 06:11:11,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:11:12,268 INFO L134 CoverageAnalysis]: Checked inductivity of 2663 backedges. 1063 proven. 57 refuted. 0 times theorem prover too weak. 1543 trivial. 0 not checked. [2018-12-09 06:11:12,268 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 06:11:12,268 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 06:11:12,268 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 963 with the following transitions: [2018-12-09 06:11:12,269 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [429], [431], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [534], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [659], [663], [667], [671], [675], [679], [683], [686], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [791], [794], [795], [799], [803], [807], [811], [815], [819], [823], [827], [831], [835], [839], [843], [847], [851], [854], [855], [859], [863], [867], [871], [875], [879], [883], [887], [891], [895], [899], [903], [907], [911], [915], [919], [923], [927], [931], [934], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-09 06:11:12,270 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 06:11:12,271 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 06:11:16,168 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 06:11:16,168 INFO L272 AbstractInterpreter]: Visited 193 different actions 775 times. Merged at 9 different actions 36 times. Widened at 1 different actions 2 times. Performed 8545 root evaluator evaluations with a maximum evaluation depth of 21. Performed 8545 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 12 fixpoints after 6 different actions. Largest state had 24 variables. [2018-12-09 06:11:16,170 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:11:16,170 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 06:11:16,170 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 06:11:16,170 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a685fcf5-a4b3-4da8-a912-fe5bb5534d29/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 [2018-12-09 06:11:16,175 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:11:16,176 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 06:11:16,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:11:16,286 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:11:16,526 INFO L134 CoverageAnalysis]: Checked inductivity of 2663 backedges. 1809 proven. 2 refuted. 0 times theorem prover too weak. 852 trivial. 0 not checked. [2018-12-09 06:11:16,527 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 06:11:16,912 INFO L134 CoverageAnalysis]: Checked inductivity of 2663 backedges. 940 proven. 221 refuted. 0 times theorem prover too weak. 1502 trivial. 0 not checked. [2018-12-09 06:11:16,927 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 06:11:16,928 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5, 5] total 9 [2018-12-09 06:11:16,928 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 06:11:16,929 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 06:11:16,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 06:11:16,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-12-09 06:11:16,929 INFO L87 Difference]: Start difference. First operand 5262 states and 5641 transitions. Second operand 7 states. [2018-12-09 06:11:17,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:11:17,401 INFO L93 Difference]: Finished difference Result 9174 states and 9752 transitions. [2018-12-09 06:11:17,401 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-09 06:11:17,401 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 962 [2018-12-09 06:11:17,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:11:17,402 INFO L225 Difference]: With dead ends: 9174 [2018-12-09 06:11:17,402 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 06:11:17,409 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1939 GetRequests, 1925 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2018-12-09 06:11:17,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 06:11:17,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 06:11:17,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 06:11:17,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 06:11:17,409 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 962 [2018-12-09 06:11:17,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:11:17,410 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 06:11:17,410 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 06:11:17,410 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 06:11:17,410 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 06:11:17,414 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 06:11:17,535 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:11:17,573 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:11:17,600 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:11:17,610 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:11:17,658 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:11:17,659 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 216 [2018-12-09 06:11:17,703 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:11:17,714 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:11:17,759 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:11:17,760 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 204 [2018-12-09 06:11:18,433 WARN L180 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 77 [2018-12-09 06:11:18,890 WARN L180 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 65 [2018-12-09 06:11:19,346 WARN L180 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 69 [2018-12-09 06:11:19,347 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 06:11:19,347 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (= |old(~a15~0)| ~a15~0) (= |old(~a12~0)| ~a12~0)) [2018-12-09 06:11:19,347 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 06:11:19,348 INFO L448 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2018-12-09 06:11:19,348 INFO L448 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2018-12-09 06:11:19,348 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 06:11:19,348 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 06:11:19,348 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 06:11:19,348 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2018-12-09 06:11:19,348 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-12-09 06:11:19,348 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-12-09 06:11:19,348 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-12-09 06:11:19,348 INFO L448 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2018-12-09 06:11:19,348 INFO L448 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2018-12-09 06:11:19,348 INFO L448 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2018-12-09 06:11:19,348 INFO L448 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2018-12-09 06:11:19,348 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 06:11:19,348 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 06:11:19,348 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 06:11:19,348 INFO L448 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2018-12-09 06:11:19,348 INFO L448 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2018-12-09 06:11:19,348 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-12-09 06:11:19,348 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-12-09 06:11:19,348 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-12-09 06:11:19,348 INFO L448 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2018-12-09 06:11:19,348 INFO L448 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2018-12-09 06:11:19,349 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2018-12-09 06:11:19,349 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 06:11:19,349 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 06:11:19,349 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 06:11:19,349 INFO L448 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2018-12-09 06:11:19,349 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-12-09 06:11:19,349 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-12-09 06:11:19,349 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-12-09 06:11:19,349 INFO L448 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2018-12-09 06:11:19,349 INFO L448 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2018-12-09 06:11:19,349 INFO L448 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2018-12-09 06:11:19,349 INFO L448 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2018-12-09 06:11:19,349 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2018-12-09 06:11:19,349 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 06:11:19,349 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 06:11:19,349 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 06:11:19,349 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2018-12-09 06:11:19,349 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-12-09 06:11:19,349 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-12-09 06:11:19,349 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-12-09 06:11:19,349 INFO L448 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2018-12-09 06:11:19,349 INFO L448 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2018-12-09 06:11:19,349 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2018-12-09 06:11:19,349 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 06:11:19,349 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 06:11:19,349 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 06:11:19,350 INFO L448 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2018-12-09 06:11:19,350 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-12-09 06:11:19,350 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-12-09 06:11:19,350 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-12-09 06:11:19,350 INFO L448 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2018-12-09 06:11:19,350 INFO L448 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2018-12-09 06:11:19,350 INFO L448 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2018-12-09 06:11:19,350 INFO L448 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2018-12-09 06:11:19,350 INFO L448 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2018-12-09 06:11:19,350 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 06:11:19,350 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 06:11:19,350 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 06:11:19,350 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2018-12-09 06:11:19,350 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2018-12-09 06:11:19,350 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-12-09 06:11:19,350 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-12-09 06:11:19,350 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-12-09 06:11:19,350 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2018-12-09 06:11:19,350 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2018-12-09 06:11:19,350 INFO L448 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2018-12-09 06:11:19,350 INFO L448 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2018-12-09 06:11:19,350 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 06:11:19,350 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 06:11:19,350 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 06:11:19,350 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-12-09 06:11:19,350 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-12-09 06:11:19,351 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-12-09 06:11:19,351 INFO L448 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2018-12-09 06:11:19,351 INFO L448 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2018-12-09 06:11:19,351 INFO L448 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2018-12-09 06:11:19,351 INFO L448 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2018-12-09 06:11:19,351 INFO L448 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2018-12-09 06:11:19,351 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 06:11:19,351 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 06:11:19,351 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 06:11:19,351 INFO L448 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2018-12-09 06:11:19,351 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2018-12-09 06:11:19,351 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-12-09 06:11:19,351 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-12-09 06:11:19,351 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-12-09 06:11:19,351 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2018-12-09 06:11:19,351 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse14 (= |old(~a12~0)| ~a12~0)) (.cse0 (<= ~a12~0 |old(~a12~0)|)) (.cse11 (= ~a24~0 |old(~a24~0)|)) (.cse12 (= ~a21~0 |old(~a21~0)|)) (.cse1 (= |old(~a15~0)| ~a15~0))) (let ((.cse5 (< 76 |old(~a12~0)|)) (.cse10 (not (= 5 |old(~a15~0)|))) (.cse17 (< |old(~a21~0)| 10)) (.cse9 (= 10 |old(~a21~0)|)) (.cse18 (< 11 |old(~a12~0)|)) (.cse21 (and .cse0 .cse11 .cse12 .cse1)) (.cse20 (< 7 |old(~a15~0)|)) (.cse2 (= 6 |old(~a21~0)|)) (.cse4 (and .cse12 .cse1 (= ~a24~0 1) .cse14)) (.cse3 (= 0 |old(~a21~0)|)) (.cse13 (< 8 |old(~a21~0)|)) (.cse7 (not (= 8 |old(~a15~0)|))) (.cse8 (= |calculate_output_#in~input| 0)) (.cse16 (and .cse11 .cse12 .cse1 .cse14)) (.cse15 (not (= 9 |old(~a15~0)|))) (.cse19 (< |old(~a12~0)| 81)) (.cse6 (not (= 1 |old(~a24~0)|)))) (and (or (not (= 6 |old(~a15~0)|)) (and .cse0 .cse1)) (or .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (or .cse6 .cse10 (and (and .cse0 (= 5 ~a15~0)) .cse11 .cse12)) (or .cse5 .cse13 (and .cse11 .cse12 (= ~a15~0 |old(~a15~0)|) .cse14) .cse10) (or .cse15 .cse16 .cse17 .cse6 .cse18) (or .cse16 .cse19 .cse13 .cse6 .cse20) (or .cse2 .cse21 .cse6 .cse20) (or .cse18 .cse17 .cse6 .cse7 .cse4 .cse8) (or (or (not .cse9) .cse7) .cse4 .cse19 .cse6 .cse8) (or .cse18 .cse21 .cse6 .cse20) (or .cse2 .cse15 .cse13 .cse6 .cse16) (or .cse4 .cse3 .cse19 .cse13 .cse6 .cse7 .cse8) (or .cse16 .cse15 .cse19 .cse6)))) [2018-12-09 06:11:19,351 INFO L448 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2018-12-09 06:11:19,351 INFO L448 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2018-12-09 06:11:19,351 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 06:11:19,351 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 06:11:19,351 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 06:11:19,352 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-12-09 06:11:19,352 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-12-09 06:11:19,352 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-12-09 06:11:19,352 INFO L448 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2018-12-09 06:11:19,352 INFO L448 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2018-12-09 06:11:19,352 INFO L448 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2018-12-09 06:11:19,352 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2018-12-09 06:11:19,352 INFO L448 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2018-12-09 06:11:19,352 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 06:11:19,352 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 06:11:19,352 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 06:11:19,352 INFO L448 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2018-12-09 06:11:19,352 INFO L448 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2018-12-09 06:11:19,352 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-12-09 06:11:19,352 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-09 06:11:19,352 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-12-09 06:11:19,352 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2018-12-09 06:11:19,352 INFO L448 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2018-12-09 06:11:19,352 INFO L448 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2018-12-09 06:11:19,352 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 06:11:19,352 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 06:11:19,352 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 06:11:19,352 INFO L448 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2018-12-09 06:11:19,352 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-12-09 06:11:19,352 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-12-09 06:11:19,353 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-12-09 06:11:19,353 INFO L448 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2018-12-09 06:11:19,353 INFO L448 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2018-12-09 06:11:19,353 INFO L448 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2018-12-09 06:11:19,353 INFO L448 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2018-12-09 06:11:19,353 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 06:11:19,353 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 06:11:19,353 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 06:11:19,353 INFO L448 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2018-12-09 06:11:19,353 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-12-09 06:11:19,353 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-12-09 06:11:19,353 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-12-09 06:11:19,353 INFO L448 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2018-12-09 06:11:19,353 INFO L448 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2018-12-09 06:11:19,353 INFO L448 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2018-12-09 06:11:19,353 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2018-12-09 06:11:19,353 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 06:11:19,353 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 06:11:19,353 INFO L448 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2018-12-09 06:11:19,353 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-09 06:11:19,353 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-12-09 06:11:19,353 INFO L448 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2018-12-09 06:11:19,353 INFO L448 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2018-12-09 06:11:19,353 INFO L448 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2018-12-09 06:11:19,353 INFO L448 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2018-12-09 06:11:19,354 INFO L448 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2018-12-09 06:11:19,354 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 06:11:19,354 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 06:11:19,354 INFO L448 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2018-12-09 06:11:19,354 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-12-09 06:11:19,354 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-12-09 06:11:19,354 INFO L448 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2018-12-09 06:11:19,354 INFO L448 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2018-12-09 06:11:19,354 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2018-12-09 06:11:19,354 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 06:11:19,354 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 06:11:19,354 INFO L448 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2018-12-09 06:11:19,354 INFO L448 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2018-12-09 06:11:19,354 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-12-09 06:11:19,354 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-12-09 06:11:19,354 INFO L448 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2018-12-09 06:11:19,354 INFO L448 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2018-12-09 06:11:19,354 INFO L448 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2018-12-09 06:11:19,354 INFO L448 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2018-12-09 06:11:19,354 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 06:11:19,354 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 06:11:19,354 INFO L448 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2018-12-09 06:11:19,354 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2018-12-09 06:11:19,354 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-12-09 06:11:19,354 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-12-09 06:11:19,354 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2018-12-09 06:11:19,355 INFO L448 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2018-12-09 06:11:19,355 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2018-12-09 06:11:19,355 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 06:11:19,355 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 06:11:19,355 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2018-12-09 06:11:19,355 INFO L448 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2018-12-09 06:11:19,355 INFO L448 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2018-12-09 06:11:19,355 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-12-09 06:11:19,355 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-12-09 06:11:19,355 INFO L448 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2018-12-09 06:11:19,355 INFO L448 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2018-12-09 06:11:19,355 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 06:11:19,355 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 06:11:19,355 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-12-09 06:11:19,355 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2018-12-09 06:11:19,355 INFO L448 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2018-12-09 06:11:19,355 INFO L448 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2018-12-09 06:11:19,355 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2018-12-09 06:11:19,355 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-09 06:11:19,355 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-12-09 06:11:19,355 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-12-09 06:11:19,355 INFO L448 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2018-12-09 06:11:19,355 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2018-12-09 06:11:19,355 INFO L448 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2018-12-09 06:11:19,355 INFO L448 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2018-12-09 06:11:19,355 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 06:11:19,355 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 06:11:19,356 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 06:11:19,356 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2018-12-09 06:11:19,356 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-12-09 06:11:19,356 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-12-09 06:11:19,356 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-12-09 06:11:19,356 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2018-12-09 06:11:19,356 INFO L448 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2018-12-09 06:11:19,356 INFO L448 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2018-12-09 06:11:19,356 INFO L448 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2018-12-09 06:11:19,356 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 06:11:19,356 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 06:11:19,356 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 06:11:19,356 INFO L448 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2018-12-09 06:11:19,356 INFO L448 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2018-12-09 06:11:19,356 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-12-09 06:11:19,356 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-12-09 06:11:19,356 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-12-09 06:11:19,356 INFO L448 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2018-12-09 06:11:19,356 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2018-12-09 06:11:19,356 INFO L448 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2018-12-09 06:11:19,356 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 06:11:19,356 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 06:11:19,356 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 06:11:19,356 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2018-12-09 06:11:19,356 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-12-09 06:11:19,356 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-12-09 06:11:19,357 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-12-09 06:11:19,357 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2018-12-09 06:11:19,357 INFO L448 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2018-12-09 06:11:19,357 INFO L448 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2018-12-09 06:11:19,357 INFO L448 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2018-12-09 06:11:19,357 INFO L448 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2018-12-09 06:11:19,357 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 06:11:19,357 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 06:11:19,357 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 06:11:19,357 INFO L448 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2018-12-09 06:11:19,357 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-12-09 06:11:19,357 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-12-09 06:11:19,357 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-12-09 06:11:19,357 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 181) no Hoare annotation was computed. [2018-12-09 06:11:19,357 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2018-12-09 06:11:19,357 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 06:11:19,357 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a15~0 8) (= (+ ~a12~0 49) 0) (= ~a24~0 1) (= ~a21~0 7)) [2018-12-09 06:11:19,357 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 06:11:19,357 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 06:11:19,357 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (and (= |old(~a15~0)| ~a15~0) (= ~a24~0 1) (= ~a21~0 7) (= |old(~a12~0)| ~a12~0)) (not (= 7 |old(~a21~0)|)) (not (= 1 |old(~a24~0)|)) (not (= 8 |old(~a15~0)|)) (not (= 0 (+ |old(~a12~0)| 49)))) [2018-12-09 06:11:19,357 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2018-12-09 06:11:19,358 INFO L444 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (let ((.cse10 (not (= main_~input~0 0))) (.cse11 (= ~a15~0 8)) (.cse12 (= ~a24~0 1))) (let ((.cse2 (= 9 ~a15~0)) (.cse4 (and (not (= ~a21~0 0)) .cse10 .cse11 .cse12)) (.cse0 (<= 81 ~a12~0)) (.cse8 (<= ~a15~0 7)) (.cse7 (not (= 6 ~a21~0))) (.cse6 (<= ~a12~0 11)) (.cse5 (<= 10 ~a21~0)) (.cse1 (= 1 ~a24~0)) (.cse9 (<= ~a12~0 76)) (.cse13 (= 5 ~a15~0)) (.cse3 (<= ~a21~0 8))) (or (and .cse0 .cse1 .cse2) (not (= 8 |old(~a15~0)|)) (and .cse0 .cse3 .cse4) (and .cse1 .cse5 .cse6 .cse2) (and .cse1 .cse3 .cse2 .cse7) (and .cse0 .cse1 .cse8) (and .cse9 (not (= 10 ~a21~0)) .cse4 .cse7) (not (= 7 |old(~a21~0)|)) (not (= 0 (+ |old(~a12~0)| 49))) (and .cse0 (and .cse10 (and .cse11 (= ~a21~0 10)) .cse12)) (and .cse1 .cse8 .cse6) (and .cse1 .cse8 .cse7) (and (and .cse10 .cse11 .cse6) .cse5 (= ~a24~0 |old(~a24~0)|)) (= 6 ~a15~0) (and .cse13 .cse1) (and .cse9 .cse13 .cse3) (not (= 1 |old(~a24~0)|))))) [2018-12-09 06:11:19,358 INFO L448 ceAbstractionStarter]: For program point L888-1(line 888) no Hoare annotation was computed. [2018-12-09 06:11:19,358 INFO L448 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2018-12-09 06:11:19,358 INFO L444 ceAbstractionStarter]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse0 (= ~a15~0 8)) (.cse9 (= ~a24~0 1))) (let ((.cse2 (<= 10 ~a21~0)) (.cse5 (= 9 ~a15~0)) (.cse1 (<= ~a12~0 11)) (.cse8 (<= ~a15~0 7)) (.cse7 (not (= 6 ~a21~0))) (.cse3 (<= 81 ~a12~0)) (.cse11 (and (not (= ~a21~0 0)) .cse0 .cse9)) (.cse4 (= 1 ~a24~0)) (.cse10 (<= ~a12~0 76)) (.cse12 (= 5 ~a15~0)) (.cse6 (<= ~a21~0 8))) (or (and (and .cse0 .cse1) .cse2 (= ~a24~0 |old(~a24~0)|)) (and .cse3 .cse4 .cse5) (not (= 8 |old(~a15~0)|)) (and .cse4 .cse2 .cse1 .cse5) (and .cse4 .cse6 .cse5 .cse7) (and .cse3 .cse4 .cse8) (not (= 7 |old(~a21~0)|)) (not (= 0 (+ |old(~a12~0)| 49))) (and .cse4 .cse8 .cse1) (and .cse4 .cse8 .cse7) (and .cse3 (and .cse0 .cse9 (= ~a21~0 10))) (and .cse10 (not (= 10 ~a21~0)) .cse11 .cse7) (= 6 ~a15~0) (and .cse3 .cse6 .cse11) (and .cse12 .cse4) (and .cse10 .cse12 .cse6) (not (= 1 |old(~a24~0)|))))) [2018-12-09 06:11:19,358 INFO L448 ceAbstractionStarter]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2018-12-09 06:11:19,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 06:11:19 BoogieIcfgContainer [2018-12-09 06:11:19,365 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 06:11:19,365 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 06:11:19,365 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 06:11:19,365 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 06:11:19,366 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:09:26" (3/4) ... [2018-12-09 06:11:19,368 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 06:11:19,372 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 06:11:19,372 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-09 06:11:19,372 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 06:11:19,379 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-09 06:11:19,380 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 06:11:19,400 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((a15 == 8 && a12 <= 11) && 10 <= a21) && a24 == \old(a24)) || ((81 <= a12 && 1 == a24) && 9 == a15)) || !(8 == \old(a15))) || (((1 == a24 && 10 <= a21) && a12 <= 11) && 9 == a15)) || (((1 == a24 && a21 <= 8) && 9 == a15) && !(6 == a21))) || ((81 <= a12 && 1 == a24) && a15 <= 7)) || !(7 == \old(a21))) || !(0 == \old(a12) + 49)) || ((1 == a24 && a15 <= 7) && a12 <= 11)) || ((1 == a24 && a15 <= 7) && !(6 == a21))) || (81 <= a12 && (a15 == 8 && a24 == 1) && a21 == 10)) || (((a12 <= 76 && !(10 == a21)) && (!(a21 == 0) && a15 == 8) && a24 == 1) && !(6 == a21))) || 6 == a15) || ((81 <= a12 && a21 <= 8) && (!(a21 == 0) && a15 == 8) && a24 == 1)) || (5 == a15 && 1 == a24)) || ((a12 <= 76 && 5 == a15) && a21 <= 8)) || !(1 == \old(a24)) [2018-12-09 06:11:19,494 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a685fcf5-a4b3-4da8-a912-fe5bb5534d29/bin-2019/utaipan/witness.graphml [2018-12-09 06:11:19,494 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 06:11:19,495 INFO L168 Benchmark]: Toolchain (without parser) took 114249.85 ms. Allocated memory was 1.0 GB in the beginning and 3.2 GB in the end (delta: 2.2 GB). Free memory was 941.6 MB in the beginning and 1.5 GB in the end (delta: -579.9 MB). Peak memory consumption was 1.6 GB. Max. memory is 11.5 GB. [2018-12-09 06:11:19,496 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 06:11:19,496 INFO L168 Benchmark]: CACSL2BoogieTranslator took 349.58 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.9 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -147.1 MB). Peak memory consumption was 47.0 MB. Max. memory is 11.5 GB. [2018-12-09 06:11:19,496 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.18 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 06:11:19,496 INFO L168 Benchmark]: Boogie Preprocessor took 42.19 ms. Allocated memory is still 1.1 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. [2018-12-09 06:11:19,497 INFO L168 Benchmark]: RCFGBuilder took 736.48 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 958.5 MB in the end (delta: 122.2 MB). Peak memory consumption was 122.2 MB. Max. memory is 11.5 GB. [2018-12-09 06:11:19,497 INFO L168 Benchmark]: TraceAbstraction took 112968.96 ms. Allocated memory was 1.1 GB in the beginning and 3.2 GB in the end (delta: 2.1 GB). Free memory was 958.5 MB in the beginning and 1.5 GB in the end (delta: -563.0 MB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. [2018-12-09 06:11:19,497 INFO L168 Benchmark]: Witness Printer took 129.24 ms. Allocated memory is still 3.2 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 06:11:19,498 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 349.58 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.9 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -147.1 MB). Peak memory consumption was 47.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.18 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 42.19 ms. Allocated memory is still 1.1 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 736.48 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 958.5 MB in the end (delta: 122.2 MB). Peak memory consumption was 122.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 112968.96 ms. Allocated memory was 1.1 GB in the beginning and 3.2 GB in the end (delta: 2.1 GB). Free memory was 958.5 MB in the beginning and 1.5 GB in the end (delta: -563.0 MB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. * Witness Printer took 129.24 ms. Allocated memory is still 3.2 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 181]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: ((((((((((((((((((a15 == 8 && a12 <= 11) && 10 <= a21) && a24 == \old(a24)) || ((81 <= a12 && 1 == a24) && 9 == a15)) || !(8 == \old(a15))) || (((1 == a24 && 10 <= a21) && a12 <= 11) && 9 == a15)) || (((1 == a24 && a21 <= 8) && 9 == a15) && !(6 == a21))) || ((81 <= a12 && 1 == a24) && a15 <= 7)) || !(7 == \old(a21))) || !(0 == \old(a12) + 49)) || ((1 == a24 && a15 <= 7) && a12 <= 11)) || ((1 == a24 && a15 <= 7) && !(6 == a21))) || (81 <= a12 && (a15 == 8 && a24 == 1) && a21 == 10)) || (((a12 <= 76 && !(10 == a21)) && (!(a21 == 0) && a15 == 8) && a24 == 1) && !(6 == a21))) || 6 == a15) || ((81 <= a12 && a21 <= 8) && (!(a21 == 0) && a15 == 8) && a24 == 1)) || (5 == a15 && 1 == a24)) || ((a12 <= 76 && 5 == a15) && a21 <= 8)) || !(1 == \old(a24)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. SAFE Result, 112.9s OverallTime, 12 OverallIterations, 8 TraceHistogramMax, 69.8s AutomataDifference, 0.0s DeadEndRemovalTime, 1.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 1071 SDtfs, 11777 SDslu, 968 SDs, 0 SdLazy, 18136 SolverSat, 3520 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 59.2s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 9369 GetRequests, 9130 SyntacticMatches, 11 SemanticMatches, 228 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1884 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5902occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 32.5s AbstIntTime, 10 AbstIntIterations, 4 AbstIntStrong, 0.9973934407848386 AbsIntWeakeningRatio, 0.08795962509012256 AbsIntAvgWeakeningVarsNumRemoved, 16.21917808219178 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 2049 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 370 PreInvPairs, 506 NumberOfFragments, 799 HoareAnnotationTreeSize, 370 FomulaSimplifications, 19566 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 13155 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 9343 NumberOfCodeBlocks, 9343 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 13174 ConstructedInterpolants, 0 QuantifiedInterpolants, 23735512 SizeOfPredicates, 3 NumberOfNonLiveVariables, 5675 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 24 InterpolantComputations, 4 PerfectInterpolantSequences, 24958/26932 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...