./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label55_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_8261855e-2a7e-4cdd-bec8-55689f1a9a6f/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8261855e-2a7e-4cdd-bec8-55689f1a9a6f/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8261855e-2a7e-4cdd-bec8-55689f1a9a6f/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8261855e-2a7e-4cdd-bec8-55689f1a9a6f/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label55_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8261855e-2a7e-4cdd-bec8-55689f1a9a6f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8261855e-2a7e-4cdd-bec8-55689f1a9a6f/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 f7581b03dc5e38c896dc44d57a6d1677c5f9e4cd ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 00:05:16,390 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 00:05:16,391 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 00:05:16,397 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 00:05:16,397 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 00:05:16,398 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 00:05:16,399 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 00:05:16,400 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 00:05:16,400 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 00:05:16,401 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 00:05:16,401 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 00:05:16,401 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 00:05:16,402 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 00:05:16,403 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 00:05:16,403 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 00:05:16,404 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 00:05:16,404 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 00:05:16,405 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 00:05:16,406 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 00:05:16,407 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 00:05:16,407 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 00:05:16,408 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 00:05:16,409 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 00:05:16,409 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 00:05:16,409 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 00:05:16,410 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 00:05:16,410 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 00:05:16,411 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 00:05:16,411 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 00:05:16,412 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 00:05:16,412 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 00:05:16,412 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 00:05:16,412 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 00:05:16,413 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 00:05:16,413 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 00:05:16,413 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 00:05:16,414 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8261855e-2a7e-4cdd-bec8-55689f1a9a6f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 00:05:16,421 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 00:05:16,421 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 00:05:16,421 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 00:05:16,421 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 00:05:16,422 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 00:05:16,422 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 00:05:16,422 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 00:05:16,422 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 00:05:16,422 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 00:05:16,422 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 00:05:16,422 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 00:05:16,422 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 00:05:16,423 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 00:05:16,423 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 00:05:16,423 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 00:05:16,423 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 00:05:16,424 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 00:05:16,424 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 00:05:16,424 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 00:05:16,424 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 00:05:16,424 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 00:05:16,424 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 00:05:16,424 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 00:05:16,424 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 00:05:16,425 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 00:05:16,425 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 00:05:16,425 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 00:05:16,425 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 00:05:16,425 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 00:05:16,425 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 00:05:16,425 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 00:05:16,425 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 00:05:16,426 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 00:05:16,426 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 00:05:16,426 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 00:05:16,426 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 00:05:16,426 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_8261855e-2a7e-4cdd-bec8-55689f1a9a6f/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 -> f7581b03dc5e38c896dc44d57a6d1677c5f9e4cd [2018-12-09 00:05:16,444 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 00:05:16,454 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 00:05:16,456 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 00:05:16,457 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 00:05:16,458 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 00:05:16,458 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8261855e-2a7e-4cdd-bec8-55689f1a9a6f/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label55_true-unreach-call_false-termination.c [2018-12-09 00:05:16,494 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8261855e-2a7e-4cdd-bec8-55689f1a9a6f/bin-2019/utaipan/data/fb9093266/22341f69d2674367a9bfa3a061b36e76/FLAGf426f3c28 [2018-12-09 00:05:16,927 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 00:05:16,928 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8261855e-2a7e-4cdd-bec8-55689f1a9a6f/sv-benchmarks/c/eca-rers2012/Problem02_label55_true-unreach-call_false-termination.c [2018-12-09 00:05:16,935 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8261855e-2a7e-4cdd-bec8-55689f1a9a6f/bin-2019/utaipan/data/fb9093266/22341f69d2674367a9bfa3a061b36e76/FLAGf426f3c28 [2018-12-09 00:05:16,943 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8261855e-2a7e-4cdd-bec8-55689f1a9a6f/bin-2019/utaipan/data/fb9093266/22341f69d2674367a9bfa3a061b36e76 [2018-12-09 00:05:16,945 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 00:05:16,946 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 00:05:16,946 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 00:05:16,946 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 00:05:16,948 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 00:05:16,949 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:05:16" (1/1) ... [2018-12-09 00:05:16,950 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ba821c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:05:16, skipping insertion in model container [2018-12-09 00:05:16,951 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:05:16" (1/1) ... [2018-12-09 00:05:16,955 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 00:05:16,978 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 00:05:17,151 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:05:17,154 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 00:05:17,239 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:05:17,248 INFO L195 MainTranslator]: Completed translation [2018-12-09 00:05:17,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:05:17 WrapperNode [2018-12-09 00:05:17,249 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 00:05:17,249 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 00:05:17,249 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 00:05:17,249 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 00:05:17,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:05:17" (1/1) ... [2018-12-09 00:05:17,262 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:05:17" (1/1) ... [2018-12-09 00:05:17,267 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 00:05:17,267 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 00:05:17,268 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 00:05:17,268 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 00:05:17,273 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:05:17" (1/1) ... [2018-12-09 00:05:17,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:05:17" (1/1) ... [2018-12-09 00:05:17,276 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:05:17" (1/1) ... [2018-12-09 00:05:17,276 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:05:17" (1/1) ... [2018-12-09 00:05:17,291 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:05:17" (1/1) ... [2018-12-09 00:05:17,299 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:05:17" (1/1) ... [2018-12-09 00:05:17,302 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:05:17" (1/1) ... [2018-12-09 00:05:17,305 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 00:05:17,306 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 00:05:17,306 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 00:05:17,306 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 00:05:17,307 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:05:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8261855e-2a7e-4cdd-bec8-55689f1a9a6f/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 00:05:17,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 00:05:17,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 00:05:17,347 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-09 00:05:17,347 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-09 00:05:17,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 00:05:17,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 00:05:17,347 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 00:05:17,348 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 00:05:17,898 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 00:05:17,899 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-09 00:05:17,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:05:17 BoogieIcfgContainer [2018-12-09 00:05:17,899 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 00:05:17,900 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 00:05:17,900 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 00:05:17,903 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 00:05:17,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 12:05:16" (1/3) ... [2018-12-09 00:05:17,903 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e380580 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:05:17, skipping insertion in model container [2018-12-09 00:05:17,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:05:17" (2/3) ... [2018-12-09 00:05:17,904 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e380580 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:05:17, skipping insertion in model container [2018-12-09 00:05:17,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:05:17" (3/3) ... [2018-12-09 00:05:17,905 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label55_true-unreach-call_false-termination.c [2018-12-09 00:05:17,913 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 00:05:17,920 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 00:05:17,933 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 00:05:17,960 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 00:05:17,960 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 00:05:17,960 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 00:05:17,960 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 00:05:17,960 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 00:05:17,960 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 00:05:17,960 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 00:05:17,960 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 00:05:17,976 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2018-12-09 00:05:17,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-09 00:05:17,982 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:05:17,983 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:05:17,984 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:05:17,988 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:05:17,988 INFO L82 PathProgramCache]: Analyzing trace with hash 1666327721, now seen corresponding path program 1 times [2018-12-09 00:05:17,989 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:05:18,018 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:05:18,019 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:05:18,019 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:05:18,019 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:05:18,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:05:18,232 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 00:05:18,234 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:05:18,234 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 00:05:18,234 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:05:18,239 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 00:05:18,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 00:05:18,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 00:05:18,252 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2018-12-09 00:05:18,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:05:18,670 INFO L93 Difference]: Finished difference Result 624 states and 1069 transitions. [2018-12-09 00:05:18,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 00:05:18,671 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 111 [2018-12-09 00:05:18,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:05:18,679 INFO L225 Difference]: With dead ends: 624 [2018-12-09 00:05:18,680 INFO L226 Difference]: Without dead ends: 326 [2018-12-09 00:05:18,683 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 00:05:18,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2018-12-09 00:05:18,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 321. [2018-12-09 00:05:18,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 321 states. [2018-12-09 00:05:18,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 467 transitions. [2018-12-09 00:05:18,717 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 467 transitions. Word has length 111 [2018-12-09 00:05:18,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:05:18,717 INFO L480 AbstractCegarLoop]: Abstraction has 321 states and 467 transitions. [2018-12-09 00:05:18,717 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 00:05:18,717 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 467 transitions. [2018-12-09 00:05:18,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-12-09 00:05:18,721 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:05:18,721 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:05:18,722 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:05:18,722 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:05:18,722 INFO L82 PathProgramCache]: Analyzing trace with hash 2094723630, now seen corresponding path program 1 times [2018-12-09 00:05:18,722 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:05:18,723 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:05:18,723 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:05:18,723 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:05:18,723 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:05:18,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:05:18,813 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:05:18,813 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:05:18,813 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 00:05:18,813 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:05:18,814 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 00:05:18,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 00:05:18,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-09 00:05:18,815 INFO L87 Difference]: Start difference. First operand 321 states and 467 transitions. Second operand 4 states. [2018-12-09 00:05:19,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:05:19,286 INFO L93 Difference]: Finished difference Result 1219 states and 1824 transitions. [2018-12-09 00:05:19,286 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 00:05:19,286 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 119 [2018-12-09 00:05:19,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:05:19,290 INFO L225 Difference]: With dead ends: 1219 [2018-12-09 00:05:19,290 INFO L226 Difference]: Without dead ends: 904 [2018-12-09 00:05:19,291 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 00:05:19,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 904 states. [2018-12-09 00:05:19,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 904 to 755. [2018-12-09 00:05:19,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 755 states. [2018-12-09 00:05:19,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 755 states and 1063 transitions. [2018-12-09 00:05:19,315 INFO L78 Accepts]: Start accepts. Automaton has 755 states and 1063 transitions. Word has length 119 [2018-12-09 00:05:19,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:05:19,315 INFO L480 AbstractCegarLoop]: Abstraction has 755 states and 1063 transitions. [2018-12-09 00:05:19,316 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 00:05:19,316 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 1063 transitions. [2018-12-09 00:05:19,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-09 00:05:19,318 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:05:19,318 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:05:19,319 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:05:19,319 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:05:19,319 INFO L82 PathProgramCache]: Analyzing trace with hash -30959147, now seen corresponding path program 1 times [2018-12-09 00:05:19,319 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:05:19,320 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:05:19,320 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:05:19,320 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:05:19,320 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:05:19,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:05:19,478 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:05:19,478 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:05:19,479 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 00:05:19,479 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:05:19,479 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 00:05:19,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 00:05:19,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-09 00:05:19,480 INFO L87 Difference]: Start difference. First operand 755 states and 1063 transitions. Second operand 5 states. [2018-12-09 00:05:19,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:05:19,792 INFO L93 Difference]: Finished difference Result 1588 states and 2287 transitions. [2018-12-09 00:05:19,792 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 00:05:19,793 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 135 [2018-12-09 00:05:19,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:05:19,795 INFO L225 Difference]: With dead ends: 1588 [2018-12-09 00:05:19,795 INFO L226 Difference]: Without dead ends: 755 [2018-12-09 00:05:19,797 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-09 00:05:19,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 755 states. [2018-12-09 00:05:19,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 755 to 755. [2018-12-09 00:05:19,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 755 states. [2018-12-09 00:05:19,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 755 states and 1049 transitions. [2018-12-09 00:05:19,809 INFO L78 Accepts]: Start accepts. Automaton has 755 states and 1049 transitions. Word has length 135 [2018-12-09 00:05:19,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:05:19,809 INFO L480 AbstractCegarLoop]: Abstraction has 755 states and 1049 transitions. [2018-12-09 00:05:19,809 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 00:05:19,809 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 1049 transitions. [2018-12-09 00:05:19,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-09 00:05:19,811 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:05:19,811 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:05:19,812 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:05:19,812 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:05:19,812 INFO L82 PathProgramCache]: Analyzing trace with hash -906165834, now seen corresponding path program 1 times [2018-12-09 00:05:19,812 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:05:19,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:05:19,813 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:05:19,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:05:19,813 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:05:19,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:05:19,866 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 40 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 00:05:19,866 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 00:05:19,867 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 00:05:19,867 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 158 with the following transitions: [2018-12-09 00:05:19,869 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [13], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [567], [569], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 00:05:19,901 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 00:05:19,901 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 00:05:20,191 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 00:05:20,192 INFO L272 AbstractInterpreter]: Visited 112 different actions 112 times. Never merged. Never widened. Performed 1239 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1239 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 38 variables. [2018-12-09 00:05:20,198 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:05:20,198 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 00:05:20,409 INFO L227 lantSequenceWeakener]: Weakened 148 states. On average, predicates are now at 80.82% of their original sizes. [2018-12-09 00:05:20,410 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 00:05:20,456 INFO L418 sIntCurrentIteration]: We unified 156 AI predicates to 156 [2018-12-09 00:05:20,457 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 00:05:20,457 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 00:05:20,457 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2018-12-09 00:05:20,457 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:05:20,458 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 00:05:20,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 00:05:20,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-12-09 00:05:20,458 INFO L87 Difference]: Start difference. First operand 755 states and 1049 transitions. Second operand 7 states. [2018-12-09 00:05:21,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:05:21,870 INFO L93 Difference]: Finished difference Result 1652 states and 2304 transitions. [2018-12-09 00:05:21,870 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 00:05:21,871 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 157 [2018-12-09 00:05:21,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:05:21,873 INFO L225 Difference]: With dead ends: 1652 [2018-12-09 00:05:21,873 INFO L226 Difference]: Without dead ends: 903 [2018-12-09 00:05:21,875 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 157 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-12-09 00:05:21,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 903 states. [2018-12-09 00:05:21,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 903 to 901. [2018-12-09 00:05:21,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 901 states. [2018-12-09 00:05:21,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 901 states to 901 states and 1207 transitions. [2018-12-09 00:05:21,893 INFO L78 Accepts]: Start accepts. Automaton has 901 states and 1207 transitions. Word has length 157 [2018-12-09 00:05:21,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:05:21,894 INFO L480 AbstractCegarLoop]: Abstraction has 901 states and 1207 transitions. [2018-12-09 00:05:21,894 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 00:05:21,894 INFO L276 IsEmpty]: Start isEmpty. Operand 901 states and 1207 transitions. [2018-12-09 00:05:21,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-09 00:05:21,897 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:05:21,897 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:05:21,897 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:05:21,897 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:05:21,897 INFO L82 PathProgramCache]: Analyzing trace with hash 1631553380, now seen corresponding path program 1 times [2018-12-09 00:05:21,897 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:05:21,898 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:05:21,898 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:05:21,899 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:05:21,899 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:05:21,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:05:21,990 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 44 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:05:21,990 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 00:05:21,990 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 00:05:21,990 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 161 with the following transitions: [2018-12-09 00:05:21,991 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [567], [569], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 00:05:21,993 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 00:05:21,993 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 00:05:22,212 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 00:05:22,212 INFO L272 AbstractInterpreter]: Visited 115 different actions 337 times. Merged at 6 different actions 12 times. Never widened. Performed 3937 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3937 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-12-09 00:05:22,218 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:05:22,218 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 00:05:22,412 INFO L227 lantSequenceWeakener]: Weakened 157 states. On average, predicates are now at 84.29% of their original sizes. [2018-12-09 00:05:22,412 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 00:05:22,462 INFO L418 sIntCurrentIteration]: We unified 159 AI predicates to 159 [2018-12-09 00:05:22,462 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 00:05:22,463 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 00:05:22,463 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [10] total 18 [2018-12-09 00:05:22,463 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:05:22,463 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 00:05:22,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 00:05:22,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 00:05:22,464 INFO L87 Difference]: Start difference. First operand 901 states and 1207 transitions. Second operand 10 states. [2018-12-09 00:05:25,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:05:25,530 INFO L93 Difference]: Finished difference Result 2981 states and 4133 transitions. [2018-12-09 00:05:25,531 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-09 00:05:25,531 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 160 [2018-12-09 00:05:25,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:05:25,535 INFO L225 Difference]: With dead ends: 2981 [2018-12-09 00:05:25,535 INFO L226 Difference]: Without dead ends: 2086 [2018-12-09 00:05:25,536 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 170 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2018-12-09 00:05:25,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2086 states. [2018-12-09 00:05:25,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2086 to 2076. [2018-12-09 00:05:25,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2076 states. [2018-12-09 00:05:25,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2076 states to 2076 states and 2694 transitions. [2018-12-09 00:05:25,563 INFO L78 Accepts]: Start accepts. Automaton has 2076 states and 2694 transitions. Word has length 160 [2018-12-09 00:05:25,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:05:25,564 INFO L480 AbstractCegarLoop]: Abstraction has 2076 states and 2694 transitions. [2018-12-09 00:05:25,564 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 00:05:25,564 INFO L276 IsEmpty]: Start isEmpty. Operand 2076 states and 2694 transitions. [2018-12-09 00:05:25,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-12-09 00:05:25,567 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:05:25,567 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:05:25,567 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:05:25,568 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:05:25,568 INFO L82 PathProgramCache]: Analyzing trace with hash 2023957546, now seen corresponding path program 1 times [2018-12-09 00:05:25,568 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:05:25,568 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:05:25,569 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:05:25,569 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:05:25,569 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:05:25,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:05:25,627 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 60 proven. 25 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-09 00:05:25,627 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 00:05:25,628 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 00:05:25,628 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 175 with the following transitions: [2018-12-09 00:05:25,628 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [13], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [567], [569], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 00:05:25,630 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 00:05:25,631 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 00:05:25,810 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 00:05:25,810 INFO L272 AbstractInterpreter]: Visited 118 different actions 464 times. Merged at 7 different actions 25 times. Never widened. Performed 5449 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5449 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 6 fixpoints after 3 different actions. Largest state had 38 variables. [2018-12-09 00:05:25,812 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:05:25,812 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 00:05:25,812 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 00:05:25,813 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8261855e-2a7e-4cdd-bec8-55689f1a9a6f/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 00:05:25,819 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:05:25,819 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 00:05:25,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:05:25,870 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 00:05:25,911 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 62 proven. 2 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-12-09 00:05:25,911 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 00:05:25,972 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 77 proven. 10 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-09 00:05:25,997 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 00:05:25,997 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 13 [2018-12-09 00:05:25,997 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 00:05:25,998 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-09 00:05:25,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-09 00:05:25,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2018-12-09 00:05:25,998 INFO L87 Difference]: Start difference. First operand 2076 states and 2694 transitions. Second operand 11 states. [2018-12-09 00:05:27,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:05:27,169 INFO L93 Difference]: Finished difference Result 5278 states and 7297 transitions. [2018-12-09 00:05:27,170 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-12-09 00:05:27,170 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 174 [2018-12-09 00:05:27,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:05:27,177 INFO L225 Difference]: With dead ends: 5278 [2018-12-09 00:05:27,177 INFO L226 Difference]: Without dead ends: 3208 [2018-12-09 00:05:27,180 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 391 GetRequests, 360 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 198 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=277, Invalid=715, Unknown=0, NotChecked=0, Total=992 [2018-12-09 00:05:27,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3208 states. [2018-12-09 00:05:27,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3208 to 3135. [2018-12-09 00:05:27,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3135 states. [2018-12-09 00:05:27,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3135 states to 3135 states and 3848 transitions. [2018-12-09 00:05:27,226 INFO L78 Accepts]: Start accepts. Automaton has 3135 states and 3848 transitions. Word has length 174 [2018-12-09 00:05:27,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:05:27,226 INFO L480 AbstractCegarLoop]: Abstraction has 3135 states and 3848 transitions. [2018-12-09 00:05:27,226 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-09 00:05:27,226 INFO L276 IsEmpty]: Start isEmpty. Operand 3135 states and 3848 transitions. [2018-12-09 00:05:27,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-09 00:05:27,230 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:05:27,230 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:05:27,231 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:05:27,231 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:05:27,231 INFO L82 PathProgramCache]: Analyzing trace with hash 696055040, now seen corresponding path program 1 times [2018-12-09 00:05:27,231 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:05:27,231 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:05:27,231 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:05:27,231 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:05:27,231 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:05:27,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:05:27,305 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 89 proven. 17 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 00:05:27,305 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 00:05:27,305 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 00:05:27,305 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 188 with the following transitions: [2018-12-09 00:05:27,305 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [151], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [567], [569], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 00:05:27,307 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 00:05:27,307 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 00:05:27,453 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 00:05:27,453 INFO L272 AbstractInterpreter]: Visited 117 different actions 352 times. Merged at 7 different actions 23 times. Never widened. Performed 4244 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4244 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 5 fixpoints after 3 different actions. Largest state had 38 variables. [2018-12-09 00:05:27,458 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:05:27,458 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 00:05:27,458 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 00:05:27,458 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8261855e-2a7e-4cdd-bec8-55689f1a9a6f/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 00:05:27,465 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:05:27,466 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 00:05:27,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:05:27,513 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 00:05:27,571 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 103 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 00:05:27,571 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 00:05:27,631 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 103 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 00:05:27,654 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 00:05:27,654 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-12-09 00:05:27,654 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 00:05:27,655 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-09 00:05:27,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-09 00:05:27,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2018-12-09 00:05:27,655 INFO L87 Difference]: Start difference. First operand 3135 states and 3848 transitions. Second operand 11 states. [2018-12-09 00:05:30,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:05:30,025 INFO L93 Difference]: Finished difference Result 9056 states and 11447 transitions. [2018-12-09 00:05:30,025 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-12-09 00:05:30,025 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 187 [2018-12-09 00:05:30,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:05:30,035 INFO L225 Difference]: With dead ends: 9056 [2018-12-09 00:05:30,036 INFO L226 Difference]: Without dead ends: 5182 [2018-12-09 00:05:30,041 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 417 GetRequests, 384 SyntacticMatches, 4 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=222, Invalid=708, Unknown=0, NotChecked=0, Total=930 [2018-12-09 00:05:30,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5182 states. [2018-12-09 00:05:30,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5182 to 4746. [2018-12-09 00:05:30,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4746 states. [2018-12-09 00:05:30,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4746 states to 4746 states and 5354 transitions. [2018-12-09 00:05:30,119 INFO L78 Accepts]: Start accepts. Automaton has 4746 states and 5354 transitions. Word has length 187 [2018-12-09 00:05:30,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:05:30,120 INFO L480 AbstractCegarLoop]: Abstraction has 4746 states and 5354 transitions. [2018-12-09 00:05:30,120 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-09 00:05:30,120 INFO L276 IsEmpty]: Start isEmpty. Operand 4746 states and 5354 transitions. [2018-12-09 00:05:30,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-12-09 00:05:30,129 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:05:30,129 INFO L402 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:05:30,129 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:05:30,130 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:05:30,130 INFO L82 PathProgramCache]: Analyzing trace with hash 14683724, now seen corresponding path program 1 times [2018-12-09 00:05:30,130 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:05:30,130 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:05:30,130 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:05:30,131 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:05:30,131 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:05:30,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:05:30,208 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 108 proven. 54 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-09 00:05:30,208 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 00:05:30,208 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 00:05:30,208 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 217 with the following transitions: [2018-12-09 00:05:30,208 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [99], [100], [104], [108], [112], [115], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [567], [569], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 00:05:30,210 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 00:05:30,210 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 00:05:30,454 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 00:05:30,454 INFO L272 AbstractInterpreter]: Visited 118 different actions 469 times. Merged at 8 different actions 30 times. Widened at 1 different actions 1 times. Performed 5522 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5522 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 7 fixpoints after 3 different actions. Largest state had 38 variables. [2018-12-09 00:05:30,456 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:05:30,457 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 00:05:30,457 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 00:05:30,457 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8261855e-2a7e-4cdd-bec8-55689f1a9a6f/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 00:05:30,462 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:05:30,462 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 00:05:30,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:05:30,505 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 00:05:30,527 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 110 proven. 2 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2018-12-09 00:05:30,527 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 00:05:30,582 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 108 proven. 54 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-09 00:05:30,597 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 00:05:30,597 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-09 00:05:30,597 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 00:05:30,597 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 00:05:30,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 00:05:30,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-12-09 00:05:30,598 INFO L87 Difference]: Start difference. First operand 4746 states and 5354 transitions. Second operand 9 states. [2018-12-09 00:05:31,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:05:31,017 INFO L93 Difference]: Finished difference Result 9819 states and 11225 transitions. [2018-12-09 00:05:31,017 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 00:05:31,017 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 216 [2018-12-09 00:05:31,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:05:31,030 INFO L225 Difference]: With dead ends: 9819 [2018-12-09 00:05:31,030 INFO L226 Difference]: Without dead ends: 5223 [2018-12-09 00:05:31,037 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 445 GetRequests, 431 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2018-12-09 00:05:31,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5223 states. [2018-12-09 00:05:31,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5223 to 5216. [2018-12-09 00:05:31,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5216 states. [2018-12-09 00:05:31,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5216 states to 5216 states and 5922 transitions. [2018-12-09 00:05:31,095 INFO L78 Accepts]: Start accepts. Automaton has 5216 states and 5922 transitions. Word has length 216 [2018-12-09 00:05:31,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:05:31,095 INFO L480 AbstractCegarLoop]: Abstraction has 5216 states and 5922 transitions. [2018-12-09 00:05:31,095 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 00:05:31,096 INFO L276 IsEmpty]: Start isEmpty. Operand 5216 states and 5922 transitions. [2018-12-09 00:05:31,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-12-09 00:05:31,102 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:05:31,102 INFO L402 BasicCegarLoop]: trace histogram [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, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:05:31,103 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:05:31,103 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:05:31,103 INFO L82 PathProgramCache]: Analyzing trace with hash 917846228, now seen corresponding path program 1 times [2018-12-09 00:05:31,103 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:05:31,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:05:31,104 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:05:31,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:05:31,104 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:05:31,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:05:31,181 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 116 proven. 54 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-12-09 00:05:31,181 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 00:05:31,181 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 00:05:31,182 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 221 with the following transitions: [2018-12-09 00:05:31,182 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [99], [100], [104], [108], [112], [115], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [567], [569], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 00:05:31,183 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 00:05:31,183 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 00:05:31,324 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 00:05:31,324 INFO L272 AbstractInterpreter]: Visited 118 different actions 352 times. Merged at 8 different actions 20 times. Never widened. Performed 4146 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4146 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 6 fixpoints after 2 different actions. Largest state had 38 variables. [2018-12-09 00:05:31,326 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:05:31,326 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 00:05:31,326 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 00:05:31,326 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8261855e-2a7e-4cdd-bec8-55689f1a9a6f/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 00:05:31,331 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:05:31,332 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 00:05:31,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:05:31,372 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 00:05:31,413 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 174 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-09 00:05:31,413 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 00:05:31,490 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 174 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-09 00:05:31,505 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 00:05:31,505 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-09 00:05:31,505 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 00:05:31,505 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 00:05:31,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 00:05:31,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2018-12-09 00:05:31,506 INFO L87 Difference]: Start difference. First operand 5216 states and 5922 transitions. Second operand 9 states. [2018-12-09 00:05:32,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:05:32,727 INFO L93 Difference]: Finished difference Result 10742 states and 12266 transitions. [2018-12-09 00:05:32,727 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-12-09 00:05:32,727 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 220 [2018-12-09 00:05:32,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:05:32,736 INFO L225 Difference]: With dead ends: 10742 [2018-12-09 00:05:32,736 INFO L226 Difference]: Without dead ends: 5524 [2018-12-09 00:05:32,743 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 499 GetRequests, 459 SyntacticMatches, 2 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 379 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=338, Invalid=1222, Unknown=0, NotChecked=0, Total=1560 [2018-12-09 00:05:32,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5524 states. [2018-12-09 00:05:32,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5524 to 5071. [2018-12-09 00:05:32,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5071 states. [2018-12-09 00:05:32,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5071 states to 5071 states and 5470 transitions. [2018-12-09 00:05:32,803 INFO L78 Accepts]: Start accepts. Automaton has 5071 states and 5470 transitions. Word has length 220 [2018-12-09 00:05:32,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:05:32,803 INFO L480 AbstractCegarLoop]: Abstraction has 5071 states and 5470 transitions. [2018-12-09 00:05:32,803 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 00:05:32,804 INFO L276 IsEmpty]: Start isEmpty. Operand 5071 states and 5470 transitions. [2018-12-09 00:05:32,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-12-09 00:05:32,808 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:05:32,808 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:05:32,808 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:05:32,808 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:05:32,808 INFO L82 PathProgramCache]: Analyzing trace with hash -170246894, now seen corresponding path program 1 times [2018-12-09 00:05:32,808 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:05:32,809 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:05:32,809 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:05:32,809 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:05:32,809 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:05:32,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:05:32,863 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 137 proven. 30 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-12-09 00:05:32,864 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 00:05:32,864 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 00:05:32,864 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 226 with the following transitions: [2018-12-09 00:05:32,864 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [25], [26], [30], [34], [37], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [151], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [567], [569], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 00:05:32,865 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 00:05:32,865 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 00:05:33,056 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 00:05:33,056 INFO L272 AbstractInterpreter]: Visited 119 different actions 480 times. Merged at 8 different actions 37 times. Widened at 1 different actions 1 times. Performed 5738 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5738 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 13 fixpoints after 4 different actions. Largest state had 38 variables. [2018-12-09 00:05:33,062 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:05:33,062 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 00:05:33,062 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 00:05:33,062 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8261855e-2a7e-4cdd-bec8-55689f1a9a6f/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 00:05:33,070 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:05:33,071 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 00:05:33,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:05:33,121 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 00:05:33,185 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 179 proven. 2 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-12-09 00:05:33,185 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 00:05:33,263 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 179 proven. 2 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-12-09 00:05:33,278 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 00:05:33,278 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-12-09 00:05:33,278 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 00:05:33,279 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 00:05:33,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 00:05:33,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2018-12-09 00:05:33,279 INFO L87 Difference]: Start difference. First operand 5071 states and 5470 transitions. Second operand 9 states. [2018-12-09 00:05:34,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:05:34,112 INFO L93 Difference]: Finished difference Result 6565 states and 7081 transitions. [2018-12-09 00:05:34,112 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-09 00:05:34,112 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 225 [2018-12-09 00:05:34,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:05:34,112 INFO L225 Difference]: With dead ends: 6565 [2018-12-09 00:05:34,112 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 00:05:34,120 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 479 GetRequests, 456 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=145, Invalid=407, Unknown=0, NotChecked=0, Total=552 [2018-12-09 00:05:34,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 00:05:34,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 00:05:34,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 00:05:34,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 00:05:34,120 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 225 [2018-12-09 00:05:34,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:05:34,120 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 00:05:34,121 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 00:05:34,121 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 00:05:34,121 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 00:05:34,124 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 00:05:34,239 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:05:34,249 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:05:34,250 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:05:34,254 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:05:34,256 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:05:34,269 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:05:34,279 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:05:34,297 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:05:34,303 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:05:34,315 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:05:34,325 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:05:35,280 WARN L180 SmtUtils]: Spent 875.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 105 [2018-12-09 00:05:35,827 WARN L180 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 82 [2018-12-09 00:05:36,266 WARN L180 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 82 [2018-12-09 00:05:36,268 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 00:05:36,268 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a19~0)| ~a19~0) (= ~a11~0 |old(~a11~0)|) (= |old(~a17~0)| ~a17~0) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|)) [2018-12-09 00:05:36,268 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 00:05:36,268 INFO L448 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:05:36,268 INFO L448 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:05:36,268 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:05:36,269 INFO L448 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:05:36,269 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:05:36,269 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-12-09 00:05:36,269 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-12-09 00:05:36,269 INFO L448 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-12-09 00:05:36,269 INFO L448 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-12-09 00:05:36,269 INFO L448 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-12-09 00:05:36,269 INFO L448 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-12-09 00:05:36,269 INFO L448 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-12-09 00:05:36,269 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-12-09 00:05:36,269 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-12-09 00:05:36,269 INFO L448 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-12-09 00:05:36,269 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-12-09 00:05:36,269 INFO L448 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-12-09 00:05:36,270 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-12-09 00:05:36,270 INFO L448 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:05:36,270 INFO L448 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:05:36,270 INFO L448 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:05:36,270 INFO L448 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:05:36,270 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-12-09 00:05:36,270 INFO L448 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:05:36,270 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-12-09 00:05:36,270 INFO L448 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-12-09 00:05:36,270 INFO L448 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-12-09 00:05:36,270 INFO L448 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-12-09 00:05:36,270 INFO L448 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-12-09 00:05:36,270 INFO L448 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-12-09 00:05:36,271 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-12-09 00:05:36,271 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-12-09 00:05:36,271 INFO L448 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-12-09 00:05:36,271 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-12-09 00:05:36,271 INFO L448 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-12-09 00:05:36,271 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-12-09 00:05:36,271 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-12-09 00:05:36,271 INFO L448 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-12-09 00:05:36,271 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-12-09 00:05:36,271 INFO L448 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:05:36,271 INFO L448 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:05:36,271 INFO L448 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:05:36,271 INFO L448 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:05:36,271 INFO L448 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:05:36,272 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-12-09 00:05:36,272 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-12-09 00:05:36,272 INFO L448 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-12-09 00:05:36,272 INFO L448 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-12-09 00:05:36,272 INFO L448 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-12-09 00:05:36,272 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-12-09 00:05:36,272 INFO L448 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-12-09 00:05:36,272 INFO L448 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-12-09 00:05:36,272 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-12-09 00:05:36,272 INFO L448 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-12-09 00:05:36,272 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-12-09 00:05:36,272 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:05:36,272 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:05:36,272 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:05:36,272 INFO L448 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:05:36,273 INFO L448 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:05:36,273 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-12-09 00:05:36,273 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-12-09 00:05:36,273 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-12-09 00:05:36,273 INFO L448 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-12-09 00:05:36,273 INFO L448 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-12-09 00:05:36,273 INFO L448 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-12-09 00:05:36,273 INFO L448 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-12-09 00:05:36,273 INFO L448 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-12-09 00:05:36,273 INFO L448 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-12-09 00:05:36,273 INFO L448 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-12-09 00:05:36,273 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-12-09 00:05:36,273 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-12-09 00:05:36,273 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-12-09 00:05:36,273 INFO L448 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:05:36,273 INFO L448 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:05:36,273 INFO L448 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:05:36,274 INFO L448 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:05:36,274 INFO L448 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:05:36,274 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-12-09 00:05:36,274 INFO L448 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-12-09 00:05:36,274 INFO L448 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-12-09 00:05:36,274 INFO L448 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-12-09 00:05:36,274 INFO L448 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-12-09 00:05:36,274 INFO L448 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-12-09 00:05:36,274 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-12-09 00:05:36,274 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-12-09 00:05:36,274 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 487) no Hoare annotation was computed. [2018-12-09 00:05:36,274 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-12-09 00:05:36,274 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-12-09 00:05:36,274 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-12-09 00:05:36,274 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-12-09 00:05:36,274 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-12-09 00:05:36,274 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-12-09 00:05:36,274 INFO L448 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-12-09 00:05:36,274 INFO L448 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-12-09 00:05:36,274 INFO L448 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:05:36,274 INFO L448 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:05:36,274 INFO L448 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:05:36,274 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:05:36,274 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-12-09 00:05:36,275 INFO L448 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:05:36,275 INFO L448 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-12-09 00:05:36,275 INFO L448 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:05:36,275 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-12-09 00:05:36,275 INFO L448 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-12-09 00:05:36,275 INFO L448 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-12-09 00:05:36,275 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:05:36,275 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:05:36,275 INFO L448 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-12-09 00:05:36,275 INFO L448 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-12-09 00:05:36,275 INFO L448 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-12-09 00:05:36,275 INFO L448 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-12-09 00:05:36,275 INFO L448 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-12-09 00:05:36,275 INFO L448 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-12-09 00:05:36,275 INFO L448 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-12-09 00:05:36,275 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-12-09 00:05:36,275 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-12-09 00:05:36,275 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-12-09 00:05:36,275 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-12-09 00:05:36,275 INFO L448 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:05:36,275 INFO L448 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:05:36,275 INFO L448 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:05:36,275 INFO L448 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:05:36,275 INFO L448 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:05:36,276 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:05:36,276 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-12-09 00:05:36,276 INFO L448 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-12-09 00:05:36,276 INFO L448 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-12-09 00:05:36,276 INFO L448 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-12-09 00:05:36,276 INFO L448 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-12-09 00:05:36,276 INFO L448 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-12-09 00:05:36,276 INFO L448 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-12-09 00:05:36,276 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-12-09 00:05:36,276 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-12-09 00:05:36,276 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-12-09 00:05:36,276 INFO L448 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-12-09 00:05:36,276 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:05:36,276 INFO L448 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:05:36,276 INFO L448 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:05:36,277 INFO L448 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:05:36,277 INFO L448 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:05:36,277 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:05:36,277 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-12-09 00:05:36,277 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-12-09 00:05:36,277 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-12-09 00:05:36,277 INFO L448 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-12-09 00:05:36,277 INFO L448 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-12-09 00:05:36,277 INFO L448 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-12-09 00:05:36,277 INFO L448 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-12-09 00:05:36,277 INFO L448 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-12-09 00:05:36,277 INFO L448 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-12-09 00:05:36,277 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-12-09 00:05:36,277 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-12-09 00:05:36,278 INFO L448 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-12-09 00:05:36,278 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-12-09 00:05:36,278 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-12-09 00:05:36,278 INFO L448 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:05:36,278 INFO L448 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:05:36,278 INFO L448 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:05:36,278 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse7 (= 1 |old(~a25~0)|)) (.cse12 (= 10 |old(~a28~0)|))) (let ((.cse30 (not .cse12)) (.cse15 (not .cse7)) (.cse0 (not (= 1 ~a21~0))) (.cse26 (not (= 1 |old(~a19~0)|))) (.cse11 (= 0 |old(~a28~0)|)) (.cse8 (not (= 0 |old(~a11~0)|))) (.cse32 (= |old(~a17~0)| ~a17~0)) (.cse31 (= 1 ~a11~0)) (.cse21 (= |old(~a19~0)| ~a19~0)) (.cse28 (= ~a11~0 0)) (.cse25 (= ~a17~0 8)) (.cse29 (= ~a28~0 |old(~a28~0)|)) (.cse22 (= ~a25~0 |old(~a25~0)|))) (let ((.cse14 (and .cse21 .cse28 .cse25 .cse29 .cse22)) (.cse18 (< |old(~a19~0)| 1)) (.cse2 (< |old(~a17~0)| 8)) (.cse17 (not (= 9 |old(~a28~0)|))) (.cse6 (and .cse32 .cse21 .cse31 .cse29 .cse22)) (.cse4 (< 8 |old(~a17~0)|)) (.cse24 (= |old(~a28~0)| ~a28~0)) (.cse19 (and .cse21 .cse32 (= |old(~a25~0)| ~a25~0) .cse29)) (.cse20 (< 7 |old(~a17~0)|)) (.cse10 (< 10 |old(~a28~0)|)) (.cse16 (and (or .cse0 .cse30 .cse15 .cse8 (not (= 0 |old(~a19~0)|))) (or .cse0 .cse26 .cse11 .cse8))) (.cse27 (= ~a19~0 1)) (.cse23 (= ~a11~0 |old(~a11~0)|)) (.cse1 (< 7 |old(~a28~0)|)) (.cse3 (< 0 |old(~a19~0)|)) (.cse9 (= |calculate_output_#in~input| 0)) (.cse13 (not (= 8 |old(~a17~0)|))) (.cse5 (not (= 1 |old(~a11~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (or .cse0 .cse8 .cse9 .cse7 .cse10 .cse11 .cse12 .cse13 .cse3 .cse14) (or .cse15 .cse9 .cse14 .cse16 .cse13) (or .cse0 .cse2 .cse15 .cse17 .cse6 .cse4 .cse5 .cse18) (or .cse0 .cse12 .cse19 .cse18 .cse20) (or .cse0 .cse17 .cse19 .cse20) (or (and .cse21 .cse22 .cse23 .cse24 .cse25) .cse9 .cse16 .cse17 .cse13) (or .cse0 (not (= |old(~a19~0)| 1)) .cse2 .cse17 .cse6 .cse4 .cse5) (or .cse0 (not (= 7 |old(~a28~0)|)) .cse8 .cse9 .cse26 .cse13 (and .cse27 .cse22 .cse23 .cse24 .cse25) (not (= 0 |old(~a25~0)|))) (or .cse0 (= 8 |old(~a28~0)|) .cse19 .cse20 .cse7) (or .cse10 (or .cse16 .cse13 .cse9 .cse7) (< |old(~a28~0)| 10) (and (and .cse28 .cse27 .cse25 .cse29) .cse22)) (or (and (and .cse21 .cse25 .cse29 .cse22) .cse23) (or .cse0 .cse1 .cse11 .cse8 .cse13 .cse3 .cse9)) (or .cse0 .cse30 .cse15 .cse26 (and .cse31 (= 1 ~a25~0) (= 8 ~a17~0) (= 1 ~a19~0) (= 10 ~a28~0)) .cse13 .cse5))))) [2018-12-09 00:05:36,278 INFO L448 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:05:36,278 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:05:36,278 INFO L448 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:05:36,279 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-12-09 00:05:36,279 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-12-09 00:05:36,279 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-12-09 00:05:36,279 INFO L448 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-12-09 00:05:36,279 INFO L448 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-12-09 00:05:36,279 INFO L448 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-12-09 00:05:36,279 INFO L448 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-12-09 00:05:36,279 INFO L448 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-12-09 00:05:36,279 INFO L448 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-12-09 00:05:36,279 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-12-09 00:05:36,279 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-12-09 00:05:36,279 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-12-09 00:05:36,279 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-12-09 00:05:36,279 INFO L448 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:05:36,280 INFO L448 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:05:36,280 INFO L448 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:05:36,280 INFO L448 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:05:36,280 INFO L448 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:05:36,280 INFO L448 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:05:36,280 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-12-09 00:05:36,280 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-12-09 00:05:36,280 INFO L448 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-12-09 00:05:36,280 INFO L448 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-12-09 00:05:36,280 INFO L448 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-12-09 00:05:36,280 INFO L448 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-12-09 00:05:36,280 INFO L448 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-12-09 00:05:36,280 INFO L448 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-12-09 00:05:36,280 INFO L448 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-12-09 00:05:36,281 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-12-09 00:05:36,281 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-12-09 00:05:36,281 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-12-09 00:05:36,281 INFO L448 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-12-09 00:05:36,281 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-12-09 00:05:36,281 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-12-09 00:05:36,281 INFO L448 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-12-09 00:05:36,281 INFO L448 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:05:36,281 INFO L448 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:05:36,281 INFO L448 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:05:36,281 INFO L448 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:05:36,281 INFO L448 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 00:05:36,281 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-12-09 00:05:36,281 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-12-09 00:05:36,282 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-12-09 00:05:36,282 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-12-09 00:05:36,282 INFO L448 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-12-09 00:05:36,282 INFO L448 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-12-09 00:05:36,282 INFO L448 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-12-09 00:05:36,282 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-12-09 00:05:36,282 INFO L448 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-12-09 00:05:36,282 INFO L448 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-12-09 00:05:36,282 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-12-09 00:05:36,282 INFO L448 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-12-09 00:05:36,282 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-12-09 00:05:36,282 INFO L448 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-12-09 00:05:36,282 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-12-09 00:05:36,282 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-12-09 00:05:36,282 INFO L448 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-12-09 00:05:36,283 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-12-09 00:05:36,283 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-12-09 00:05:36,283 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 00:05:36,283 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a21~0 1)) [2018-12-09 00:05:36,283 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 00:05:36,283 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 00:05:36,283 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a11~0)|)) (and (= ~a11~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|)) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|))) [2018-12-09 00:05:36,283 INFO L444 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse9 (not (= ~a28~0 0))) (.cse11 (= ~a19~0 1)) (.cse8 (= ~a11~0 0)) (.cse10 (= ~a17~0 8)) (.cse18 (= ~a25~0 1)) (.cse17 (= 10 ~a28~0))) (let ((.cse0 (not .cse17)) (.cse2 (<= 1 ~a19~0)) (.cse12 (<= ~a17~0 8)) (.cse5 (<= ~a19~0 0)) (.cse14 (<= ~a28~0 7)) (.cse7 (<= ~a28~0 10)) (.cse1 (<= ~a17~0 7)) (.cse6 (not .cse18)) (.cse15 (= 1 ~a11~0)) (.cse3 (= 1 ~a25~0)) (.cse16 (not (= main_~input~0 0))) (.cse13 (= 9 ~a28~0)) (.cse4 (or (and .cse8 .cse9 .cse10 .cse11) (and (= ~a28~0 10) (= ~a19~0 0) .cse8 .cse10 .cse18)))) (or (not (= 1 ~a21~0)) (and .cse0 .cse1 .cse2) (and .cse3 (and .cse0 .cse4)) (not (= 7 |old(~a28~0)|)) (and .cse0 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse8 .cse11 (= ~a28~0 |old(~a28~0)|) .cse12 (= ~a25~0 |old(~a25~0)|)) (not (= 0 |old(~a11~0)|)) (and .cse1 .cse13) (and .cse5 .cse14 (not .cse3) .cse15 .cse12) (and .cse3 .cse2 .cse15 .cse13 .cse12) (not (= 0 |old(~a25~0)|)) (and (= |old(~a19~0)| ~a19~0) .cse15 (and .cse13 .cse12)) (and .cse5 .cse14 .cse8 .cse9 .cse10) (and .cse7 (and .cse16 (<= 10 ~a28~0) .cse4)) (and .cse1 (and .cse6 (not (= ~a28~0 8)))) (not (= 1 |old(~a19~0)|)) (and .cse15 .cse3 (= 8 ~a17~0) (= 1 ~a19~0) .cse17) (not (= 8 |old(~a17~0)|)) (and .cse16 .cse13 .cse4)))) [2018-12-09 00:05:36,283 INFO L448 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2018-12-09 00:05:36,283 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-12-09 00:05:36,284 INFO L444 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse19 (= ~a25~0 1)) (.cse3 (= ~a19~0 1)) (.cse18 (= 10 ~a28~0))) (let ((.cse8 (<= ~a28~0 7)) (.cse0 (not .cse18)) (.cse7 (<= ~a19~0 0)) (.cse10 (not (= ~a28~0 0))) (.cse2 (<= 1 ~a19~0)) (.cse5 (= ~a11~0 |old(~a11~0)|)) (.cse4 (not (= main_~input~0 0))) (.cse15 (or (and (= ~a28~0 10) (= ~a19~0 0) .cse19) .cse3)) (.cse9 (= ~a11~0 0)) (.cse6 (= ~a17~0 8)) (.cse17 (<= ~a28~0 10)) (.cse11 (= 9 ~a28~0)) (.cse14 (<= ~a17~0 8)) (.cse1 (<= ~a17~0 7)) (.cse16 (not .cse19)) (.cse13 (= 1 ~a11~0)) (.cse12 (= 1 ~a25~0))) (or (not (= 1 ~a21~0)) (and .cse0 .cse1 .cse2) (not (= 7 |old(~a28~0)|)) (and .cse3 (= ~a25~0 |old(~a25~0)|) .cse4 .cse5 (= |old(~a28~0)| ~a28~0) .cse6) (and .cse4 .cse7 .cse8 .cse9 .cse10 .cse6) (not (= 0 |old(~a11~0)|)) (and .cse1 .cse11) (and .cse7 .cse8 (not .cse12) .cse13 .cse14) (and .cse4 .cse15 .cse12 .cse9 .cse10 .cse6) (and .cse0 .cse4 .cse7 .cse16 .cse17 .cse9 .cse10 .cse6) (and .cse12 .cse2 .cse13 .cse11 .cse14) (and (and .cse4 .cse15 .cse11 .cse14) .cse5) (and (and .cse4 .cse15 (<= 10 ~a28~0) .cse9 .cse6) .cse17) (not (= 0 |old(~a25~0)|)) (and (= |old(~a19~0)| ~a19~0) .cse13 (and .cse11 .cse14)) (and .cse1 (and .cse16 (not (= ~a28~0 8)))) (not (= 1 |old(~a19~0)|)) (and .cse13 .cse12 (= 8 ~a17~0) (= 1 ~a19~0) .cse18) (not (= 8 |old(~a17~0)|))))) [2018-12-09 00:05:36,284 INFO L448 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-12-09 00:05:36,284 INFO L448 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-12-09 00:05:36,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 12:05:36 BoogieIcfgContainer [2018-12-09 00:05:36,294 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 00:05:36,295 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 00:05:36,295 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 00:05:36,295 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 00:05:36,295 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:05:17" (3/4) ... [2018-12-09 00:05:36,298 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 00:05:36,303 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 00:05:36,303 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-09 00:05:36,303 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 00:05:36,311 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-09 00:05:36,312 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 00:05:36,330 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((!(1 == a21) || ((!(10 == a28) && a17 <= 7) && 1 <= a19)) || (1 == a25 && !(10 == a28) && ((((a11 == 0 && !(a28 == 0)) && a17 == 8) && a19 == 1) || ((((a28 == 10 && a19 == 0) && a11 == 0) && a17 == 8) && a25 == 1)))) || !(7 == \old(a28))) || ((((((!(10 == a28) && a19 <= 0) && !(a25 == 1)) && a28 <= 10) && a11 == 0) && !(a28 == 0)) && a17 == 8)) || ((((a11 == 0 && a19 == 1) && a28 == \old(a28)) && a17 <= 8) && a25 == \old(a25))) || !(0 == \old(a11))) || (a17 <= 7 && 9 == a28)) || ((((a19 <= 0 && a28 <= 7) && !(1 == a25)) && 1 == a11) && a17 <= 8)) || ((((1 == a25 && 1 <= a19) && 1 == a11) && 9 == a28) && a17 <= 8)) || !(0 == \old(a25))) || ((\old(a19) == a19 && 1 == a11) && 9 == a28 && a17 <= 8)) || ((((a19 <= 0 && a28 <= 7) && a11 == 0) && !(a28 == 0)) && a17 == 8)) || (a28 <= 10 && (!(input == 0) && 10 <= a28) && ((((a11 == 0 && !(a28 == 0)) && a17 == 8) && a19 == 1) || ((((a28 == 10 && a19 == 0) && a11 == 0) && a17 == 8) && a25 == 1)))) || (a17 <= 7 && !(a25 == 1) && !(a28 == 8))) || !(1 == \old(a19))) || ((((1 == a11 && 1 == a25) && 8 == a17) && 1 == a19) && 10 == a28)) || !(8 == \old(a17))) || ((!(input == 0) && 9 == a28) && ((((a11 == 0 && !(a28 == 0)) && a17 == 8) && a19 == 1) || ((((a28 == 10 && a19 == 0) && a11 == 0) && a17 == 8) && a25 == 1))) [2018-12-09 00:05:36,380 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8261855e-2a7e-4cdd-bec8-55689f1a9a6f/bin-2019/utaipan/witness.graphml [2018-12-09 00:05:36,380 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 00:05:36,381 INFO L168 Benchmark]: Toolchain (without parser) took 19435.35 ms. Allocated memory was 1.0 GB in the beginning and 2.0 GB in the end (delta: 983.6 MB). Free memory was 948.1 MB in the beginning and 1.7 GB in the end (delta: -724.8 MB). Peak memory consumption was 258.8 MB. Max. memory is 11.5 GB. [2018-12-09 00:05:36,381 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:05:36,381 INFO L168 Benchmark]: CACSL2BoogieTranslator took 302.64 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -160.8 MB). Peak memory consumption was 44.2 MB. Max. memory is 11.5 GB. [2018-12-09 00:05:36,381 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.12 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 00:05:36,382 INFO L168 Benchmark]: Boogie Preprocessor took 38.13 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:05:36,382 INFO L168 Benchmark]: RCFGBuilder took 593.30 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 999.2 MB in the end (delta: 104.3 MB). Peak memory consumption was 104.3 MB. Max. memory is 11.5 GB. [2018-12-09 00:05:36,382 INFO L168 Benchmark]: TraceAbstraction took 18394.85 ms. Allocated memory was 1.1 GB in the beginning and 2.0 GB in the end (delta: 863.0 MB). Free memory was 999.2 MB in the beginning and 1.7 GB in the end (delta: -695.5 MB). Peak memory consumption was 895.9 MB. Max. memory is 11.5 GB. [2018-12-09 00:05:36,382 INFO L168 Benchmark]: Witness Printer took 85.29 ms. Allocated memory is still 2.0 GB. Free memory was 1.7 GB in the beginning and 1.7 GB in the end (delta: 21.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. [2018-12-09 00:05:36,383 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 302.64 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -160.8 MB). Peak memory consumption was 44.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.12 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. * Boogie Preprocessor took 38.13 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 593.30 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 999.2 MB in the end (delta: 104.3 MB). Peak memory consumption was 104.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 18394.85 ms. Allocated memory was 1.1 GB in the beginning and 2.0 GB in the end (delta: 863.0 MB). Free memory was 999.2 MB in the beginning and 1.7 GB in the end (delta: -695.5 MB). Peak memory consumption was 895.9 MB. Max. memory is 11.5 GB. * Witness Printer took 85.29 ms. Allocated memory is still 2.0 GB. Free memory was 1.7 GB in the beginning and 1.7 GB in the end (delta: 21.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 487]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((((((((((((!(1 == a21) || ((!(10 == a28) && a17 <= 7) && 1 <= a19)) || (1 == a25 && !(10 == a28) && ((((a11 == 0 && !(a28 == 0)) && a17 == 8) && a19 == 1) || ((((a28 == 10 && a19 == 0) && a11 == 0) && a17 == 8) && a25 == 1)))) || !(7 == \old(a28))) || ((((((!(10 == a28) && a19 <= 0) && !(a25 == 1)) && a28 <= 10) && a11 == 0) && !(a28 == 0)) && a17 == 8)) || ((((a11 == 0 && a19 == 1) && a28 == \old(a28)) && a17 <= 8) && a25 == \old(a25))) || !(0 == \old(a11))) || (a17 <= 7 && 9 == a28)) || ((((a19 <= 0 && a28 <= 7) && !(1 == a25)) && 1 == a11) && a17 <= 8)) || ((((1 == a25 && 1 <= a19) && 1 == a11) && 9 == a28) && a17 <= 8)) || !(0 == \old(a25))) || ((\old(a19) == a19 && 1 == a11) && 9 == a28 && a17 <= 8)) || ((((a19 <= 0 && a28 <= 7) && a11 == 0) && !(a28 == 0)) && a17 == 8)) || (a28 <= 10 && (!(input == 0) && 10 <= a28) && ((((a11 == 0 && !(a28 == 0)) && a17 == 8) && a19 == 1) || ((((a28 == 10 && a19 == 0) && a11 == 0) && a17 == 8) && a25 == 1)))) || (a17 <= 7 && !(a25 == 1) && !(a28 == 8))) || !(1 == \old(a19))) || ((((1 == a11 && 1 == a25) && 8 == a17) && 1 == a19) && 10 == a28)) || !(8 == \old(a17))) || ((!(input == 0) && 9 == a28) && ((((a11 == 0 && !(a28 == 0)) && a17 == 8) && a19 == 1) || ((((a28 == 10 && a19 == 0) && a11 == 0) && a17 == 8) && a25 == 1))) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. SAFE Result, 18.3s OverallTime, 10 OverallIterations, 6 TraceHistogramMax, 11.8s AutomataDifference, 0.0s DeadEndRemovalTime, 2.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 689 SDtfs, 9658 SDslu, 1042 SDs, 0 SdLazy, 14818 SolverSat, 2192 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.8s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 2576 GetRequests, 2402 SyntacticMatches, 12 SemanticMatches, 162 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 926 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5216occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.4s AbstIntTime, 7 AbstIntIterations, 2 AbstIntStrong, 0.9973366396834819 AbsIntWeakeningRatio, 0.2126984126984127 AbsIntAvgWeakeningVarsNumRemoved, 25.892063492063492 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 1135 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 179 PreInvPairs, 237 NumberOfFragments, 1258 HoareAnnotationTreeSize, 179 FomulaSimplifications, 4138 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 7404 FormulaSimplificationTreeSizeReductionInter, 1.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 2726 NumberOfCodeBlocks, 2726 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 3728 ConstructedInterpolants, 0 QuantifiedInterpolants, 1433796 SizeOfPredicates, 3 NumberOfNonLiveVariables, 2738 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 20 InterpolantComputations, 3 PerfectInterpolantSequences, 2518/2796 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...