./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label32_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_7a665d26-29cf-4102-9559-32ae54be5dd9/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7a665d26-29cf-4102-9559-32ae54be5dd9/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7a665d26-29cf-4102-9559-32ae54be5dd9/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7a665d26-29cf-4102-9559-32ae54be5dd9/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label32_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7a665d26-29cf-4102-9559-32ae54be5dd9/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7a665d26-29cf-4102-9559-32ae54be5dd9/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 3c0664b7713eb65e7600fbc10e17bb0e628a6c66 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 06:18:31,503 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 06:18:31,504 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 06:18:31,511 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 06:18:31,511 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 06:18:31,512 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 06:18:31,513 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 06:18:31,514 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 06:18:31,515 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 06:18:31,515 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 06:18:31,516 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 06:18:31,516 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 06:18:31,517 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 06:18:31,517 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 06:18:31,518 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 06:18:31,519 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 06:18:31,519 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 06:18:31,520 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 06:18:31,522 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 06:18:31,523 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 06:18:31,523 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 06:18:31,524 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 06:18:31,526 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 06:18:31,526 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 06:18:31,526 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 06:18:31,527 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 06:18:31,528 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 06:18:31,528 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 06:18:31,529 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 06:18:31,530 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 06:18:31,530 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 06:18:31,530 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 06:18:31,530 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 06:18:31,531 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 06:18:31,531 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 06:18:31,532 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 06:18:31,532 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7a665d26-29cf-4102-9559-32ae54be5dd9/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 06:18:31,542 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 06:18:31,542 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 06:18:31,543 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 06:18:31,543 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 06:18:31,543 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 06:18:31,543 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 06:18:31,543 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 06:18:31,543 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 06:18:31,543 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 06:18:31,543 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 06:18:31,543 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 06:18:31,544 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 06:18:31,544 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 06:18:31,544 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 06:18:31,544 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 06:18:31,545 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 06:18:31,545 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 06:18:31,545 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 06:18:31,545 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 06:18:31,545 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 06:18:31,545 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 06:18:31,545 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 06:18:31,546 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 06:18:31,546 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 06:18:31,546 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 06:18:31,546 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 06:18:31,546 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 06:18:31,546 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 06:18:31,546 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 06:18:31,547 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 06:18:31,547 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 06:18:31,547 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 06:18:31,547 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 06:18:31,547 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 06:18:31,547 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 06:18:31,547 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 06:18:31,548 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 06:18:31,548 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_7a665d26-29cf-4102-9559-32ae54be5dd9/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 -> 3c0664b7713eb65e7600fbc10e17bb0e628a6c66 [2018-11-23 06:18:31,572 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 06:18:31,581 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 06:18:31,584 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 06:18:31,585 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 06:18:31,585 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 06:18:31,586 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7a665d26-29cf-4102-9559-32ae54be5dd9/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label32_true-unreach-call_false-termination.c [2018-11-23 06:18:31,626 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7a665d26-29cf-4102-9559-32ae54be5dd9/bin-2019/utaipan/data/297975fc7/84515cfaf1a24cf1b7803d27c3668751/FLAG8c2058c9c [2018-11-23 06:18:32,016 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 06:18:32,017 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7a665d26-29cf-4102-9559-32ae54be5dd9/sv-benchmarks/c/eca-rers2012/Problem02_label32_true-unreach-call_false-termination.c [2018-11-23 06:18:32,026 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7a665d26-29cf-4102-9559-32ae54be5dd9/bin-2019/utaipan/data/297975fc7/84515cfaf1a24cf1b7803d27c3668751/FLAG8c2058c9c [2018-11-23 06:18:32,390 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7a665d26-29cf-4102-9559-32ae54be5dd9/bin-2019/utaipan/data/297975fc7/84515cfaf1a24cf1b7803d27c3668751 [2018-11-23 06:18:32,392 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 06:18:32,393 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 06:18:32,393 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 06:18:32,393 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 06:18:32,395 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 06:18:32,396 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:18:32" (1/1) ... [2018-11-23 06:18:32,398 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6663a739 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:18:32, skipping insertion in model container [2018-11-23 06:18:32,398 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:18:32" (1/1) ... [2018-11-23 06:18:32,404 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 06:18:32,439 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 06:18:32,666 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:18:32,669 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 06:18:32,739 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:18:32,750 INFO L195 MainTranslator]: Completed translation [2018-11-23 06:18:32,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:18:32 WrapperNode [2018-11-23 06:18:32,751 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 06:18:32,751 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 06:18:32,751 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 06:18:32,752 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 06:18:32,801 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:18:32" (1/1) ... [2018-11-23 06:18:32,812 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:18:32" (1/1) ... [2018-11-23 06:18:32,819 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 06:18:32,819 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 06:18:32,819 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 06:18:32,819 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 06:18:32,825 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:18:32" (1/1) ... [2018-11-23 06:18:32,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:18:32" (1/1) ... [2018-11-23 06:18:32,828 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:18:32" (1/1) ... [2018-11-23 06:18:32,828 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:18:32" (1/1) ... [2018-11-23 06:18:32,850 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:18:32" (1/1) ... [2018-11-23 06:18:32,860 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:18:32" (1/1) ... [2018-11-23 06:18:32,863 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:18:32" (1/1) ... [2018-11-23 06:18:32,867 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 06:18:32,868 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 06:18:32,868 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 06:18:32,868 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 06:18:32,868 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:18:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7a665d26-29cf-4102-9559-32ae54be5dd9/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 06:18:32,906 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 06:18:32,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 06:18:32,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 06:18:32,907 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 06:18:32,907 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 06:18:32,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 06:18:32,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 06:18:32,907 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 06:18:32,907 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 06:18:33,616 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 06:18:33,616 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 06:18:33,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:18:33 BoogieIcfgContainer [2018-11-23 06:18:33,617 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 06:18:33,617 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 06:18:33,617 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 06:18:33,620 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 06:18:33,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:18:32" (1/3) ... [2018-11-23 06:18:33,621 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@de7c3e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:18:33, skipping insertion in model container [2018-11-23 06:18:33,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:18:32" (2/3) ... [2018-11-23 06:18:33,621 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@de7c3e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:18:33, skipping insertion in model container [2018-11-23 06:18:33,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:18:33" (3/3) ... [2018-11-23 06:18:33,622 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label32_true-unreach-call_false-termination.c [2018-11-23 06:18:33,629 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 06:18:33,634 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 06:18:33,643 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 06:18:33,666 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 06:18:33,666 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 06:18:33,666 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 06:18:33,666 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 06:18:33,666 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 06:18:33,666 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 06:18:33,666 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 06:18:33,666 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 06:18:33,683 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2018-11-23 06:18:33,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-11-23 06:18:33,691 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:18:33,692 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:18:33,694 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:18:33,698 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:18:33,698 INFO L82 PathProgramCache]: Analyzing trace with hash 2002898937, now seen corresponding path program 1 times [2018-11-23 06:18:33,699 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:18:33,728 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:18:33,728 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:18:33,728 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:18:33,729 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:18:33,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:18:33,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:18:33,988 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:18:33,989 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 06:18:33,989 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:18:33,993 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 06:18:34,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 06:18:34,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 06:18:34,003 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2018-11-23 06:18:34,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:18:34,627 INFO L93 Difference]: Finished difference Result 623 states and 1065 transitions. [2018-11-23 06:18:34,628 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 06:18:34,629 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 115 [2018-11-23 06:18:34,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:18:34,638 INFO L225 Difference]: With dead ends: 623 [2018-11-23 06:18:34,638 INFO L226 Difference]: Without dead ends: 385 [2018-11-23 06:18:34,642 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 06:18:34,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2018-11-23 06:18:34,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 381. [2018-11-23 06:18:34,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2018-11-23 06:18:34,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 642 transitions. [2018-11-23 06:18:34,683 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 642 transitions. Word has length 115 [2018-11-23 06:18:34,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:18:34,684 INFO L480 AbstractCegarLoop]: Abstraction has 381 states and 642 transitions. [2018-11-23 06:18:34,685 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 06:18:34,685 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 642 transitions. [2018-11-23 06:18:34,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-23 06:18:34,688 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:18:34,688 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:18:34,691 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:18:34,691 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:18:34,692 INFO L82 PathProgramCache]: Analyzing trace with hash 906357460, now seen corresponding path program 1 times [2018-11-23 06:18:34,692 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:18:34,693 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:18:34,693 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:18:34,693 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:18:34,693 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:18:34,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:18:34,777 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:18:34,777 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:18:34,777 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 06:18:34,778 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:18:34,779 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 06:18:34,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 06:18:34,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 06:18:34,780 INFO L87 Difference]: Start difference. First operand 381 states and 642 transitions. Second operand 6 states. [2018-11-23 06:18:35,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:18:35,429 INFO L93 Difference]: Finished difference Result 1187 states and 2106 transitions. [2018-11-23 06:18:35,431 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 06:18:35,432 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 135 [2018-11-23 06:18:35,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:18:35,436 INFO L225 Difference]: With dead ends: 1187 [2018-11-23 06:18:35,436 INFO L226 Difference]: Without dead ends: 812 [2018-11-23 06:18:35,438 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-23 06:18:35,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 812 states. [2018-11-23 06:18:35,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 812 to 795. [2018-11-23 06:18:35,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 795 states. [2018-11-23 06:18:35,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 795 states and 1286 transitions. [2018-11-23 06:18:35,475 INFO L78 Accepts]: Start accepts. Automaton has 795 states and 1286 transitions. Word has length 135 [2018-11-23 06:18:35,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:18:35,475 INFO L480 AbstractCegarLoop]: Abstraction has 795 states and 1286 transitions. [2018-11-23 06:18:35,475 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 06:18:35,475 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 1286 transitions. [2018-11-23 06:18:35,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-23 06:18:35,479 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:18:35,479 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:18:35,480 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:18:35,480 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:18:35,480 INFO L82 PathProgramCache]: Analyzing trace with hash -1019013890, now seen corresponding path program 1 times [2018-11-23 06:18:35,480 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:18:35,481 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:18:35,481 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:18:35,481 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:18:35,481 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:18:35,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:18:35,634 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 06:18:35,634 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:18:35,634 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 06:18:35,635 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 137 with the following transitions: [2018-11-23 06:18:35,637 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [56], [61], [63], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [599], [601], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 06:18:35,668 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 06:18:35,668 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 06:18:36,015 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 06:18:36,016 INFO L272 AbstractInterpreter]: Visited 115 different actions 115 times. Never merged. Never widened. Performed 1279 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1279 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 38 variables. [2018-11-23 06:18:36,028 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:18:36,029 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 06:18:36,340 INFO L227 lantSequenceWeakener]: Weakened 128 states. On average, predicates are now at 80.89% of their original sizes. [2018-11-23 06:18:36,341 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 06:18:36,385 INFO L415 sIntCurrentIteration]: We unified 135 AI predicates to 135 [2018-11-23 06:18:36,386 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 06:18:36,387 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 06:18:36,387 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [4] total 8 [2018-11-23 06:18:36,388 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:18:36,388 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 06:18:36,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 06:18:36,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 06:18:36,389 INFO L87 Difference]: Start difference. First operand 795 states and 1286 transitions. Second operand 6 states. [2018-11-23 06:18:39,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:18:39,189 INFO L93 Difference]: Finished difference Result 1732 states and 2803 transitions. [2018-11-23 06:18:39,190 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 06:18:39,190 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 136 [2018-11-23 06:18:39,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:18:39,193 INFO L225 Difference]: With dead ends: 1732 [2018-11-23 06:18:39,193 INFO L226 Difference]: Without dead ends: 943 [2018-11-23 06:18:39,195 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 136 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-23 06:18:39,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 943 states. [2018-11-23 06:18:39,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 943 to 941. [2018-11-23 06:18:39,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 941 states. [2018-11-23 06:18:39,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 941 states to 941 states and 1443 transitions. [2018-11-23 06:18:39,216 INFO L78 Accepts]: Start accepts. Automaton has 941 states and 1443 transitions. Word has length 136 [2018-11-23 06:18:39,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:18:39,216 INFO L480 AbstractCegarLoop]: Abstraction has 941 states and 1443 transitions. [2018-11-23 06:18:39,216 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 06:18:39,217 INFO L276 IsEmpty]: Start isEmpty. Operand 941 states and 1443 transitions. [2018-11-23 06:18:39,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-11-23 06:18:39,219 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:18:39,219 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:18:39,219 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:18:39,220 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:18:39,220 INFO L82 PathProgramCache]: Analyzing trace with hash 259543279, now seen corresponding path program 1 times [2018-11-23 06:18:39,220 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:18:39,221 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:18:39,221 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:18:39,221 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:18:39,221 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:18:39,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:18:39,288 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 29 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:18:39,288 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:18:39,288 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 06:18:39,288 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 146 with the following transitions: [2018-11-23 06:18:39,289 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [56], [61], [63], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [599], [601], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 06:18:39,293 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 06:18:39,293 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 06:18:39,439 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 06:18:39,439 INFO L272 AbstractInterpreter]: Visited 119 different actions 232 times. Merged at 4 different actions 4 times. Never widened. Performed 2557 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2557 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-11-23 06:18:39,448 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:18:39,448 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 06:18:39,647 INFO L227 lantSequenceWeakener]: Weakened 140 states. On average, predicates are now at 80.92% of their original sizes. [2018-11-23 06:18:39,647 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 06:18:39,708 INFO L415 sIntCurrentIteration]: We unified 144 AI predicates to 144 [2018-11-23 06:18:39,708 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 06:18:39,709 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 06:18:39,709 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-23 06:18:39,709 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:18:39,709 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 06:18:39,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 06:18:39,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 06:18:39,710 INFO L87 Difference]: Start difference. First operand 941 states and 1443 transitions. Second operand 10 states. [2018-11-23 06:18:42,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:18:42,475 INFO L93 Difference]: Finished difference Result 2172 states and 3355 transitions. [2018-11-23 06:18:42,475 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-23 06:18:42,475 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 145 [2018-11-23 06:18:42,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:18:42,478 INFO L225 Difference]: With dead ends: 2172 [2018-11-23 06:18:42,479 INFO L226 Difference]: Without dead ends: 1237 [2018-11-23 06:18:42,480 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 154 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-23 06:18:42,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1237 states. [2018-11-23 06:18:42,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1237 to 1234. [2018-11-23 06:18:42,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1234 states. [2018-11-23 06:18:42,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1234 states to 1234 states and 1780 transitions. [2018-11-23 06:18:42,502 INFO L78 Accepts]: Start accepts. Automaton has 1234 states and 1780 transitions. Word has length 145 [2018-11-23 06:18:42,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:18:42,502 INFO L480 AbstractCegarLoop]: Abstraction has 1234 states and 1780 transitions. [2018-11-23 06:18:42,502 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 06:18:42,502 INFO L276 IsEmpty]: Start isEmpty. Operand 1234 states and 1780 transitions. [2018-11-23 06:18:42,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-11-23 06:18:42,505 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:18:42,505 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:18:42,505 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:18:42,505 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:18:42,505 INFO L82 PathProgramCache]: Analyzing trace with hash 1037393739, now seen corresponding path program 1 times [2018-11-23 06:18:42,505 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:18:42,506 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:18:42,506 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:18:42,506 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:18:42,506 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:18:42,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:18:42,573 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 36 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:18:42,573 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:18:42,573 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 06:18:42,573 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 149 with the following transitions: [2018-11-23 06:18:42,573 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [45], [50], [52], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [599], [601], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 06:18:42,576 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 06:18:42,577 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 06:18:42,669 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 06:18:42,669 INFO L272 AbstractInterpreter]: Visited 119 different actions 232 times. Merged at 4 different actions 4 times. Never widened. Performed 2633 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2633 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-11-23 06:18:42,672 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:18:42,672 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 06:18:42,777 INFO L227 lantSequenceWeakener]: Weakened 143 states. On average, predicates are now at 82.54% of their original sizes. [2018-11-23 06:18:42,778 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 06:18:42,830 INFO L415 sIntCurrentIteration]: We unified 147 AI predicates to 147 [2018-11-23 06:18:42,830 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 06:18:42,830 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 06:18:42,831 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-23 06:18:42,831 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:18:42,831 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 06:18:42,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 06:18:42,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 06:18:42,832 INFO L87 Difference]: Start difference. First operand 1234 states and 1780 transitions. Second operand 10 states. [2018-11-23 06:18:46,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:18:46,148 INFO L93 Difference]: Finished difference Result 3123 states and 4747 transitions. [2018-11-23 06:18:46,148 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-23 06:18:46,148 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 148 [2018-11-23 06:18:46,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:18:46,155 INFO L225 Difference]: With dead ends: 3123 [2018-11-23 06:18:46,156 INFO L226 Difference]: Without dead ends: 1895 [2018-11-23 06:18:46,159 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 157 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-23 06:18:46,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1895 states. [2018-11-23 06:18:46,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1895 to 1887. [2018-11-23 06:18:46,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1887 states. [2018-11-23 06:18:46,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1887 states to 1887 states and 2570 transitions. [2018-11-23 06:18:46,198 INFO L78 Accepts]: Start accepts. Automaton has 1887 states and 2570 transitions. Word has length 148 [2018-11-23 06:18:46,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:18:46,199 INFO L480 AbstractCegarLoop]: Abstraction has 1887 states and 2570 transitions. [2018-11-23 06:18:46,199 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 06:18:46,199 INFO L276 IsEmpty]: Start isEmpty. Operand 1887 states and 2570 transitions. [2018-11-23 06:18:46,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-11-23 06:18:46,204 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:18:46,204 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:18:46,204 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:18:46,204 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:18:46,204 INFO L82 PathProgramCache]: Analyzing trace with hash -349928271, now seen corresponding path program 1 times [2018-11-23 06:18:46,205 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:18:46,205 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:18:46,205 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:18:46,205 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:18:46,206 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:18:46,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:18:46,270 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 51 proven. 15 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-23 06:18:46,270 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:18:46,270 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 06:18:46,270 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 166 with the following transitions: [2018-11-23 06:18:46,271 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [45], [50], [52], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [599], [601], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 06:18:46,273 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 06:18:46,273 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 06:18:46,492 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 06:18:46,492 INFO L272 AbstractInterpreter]: Visited 121 different actions 485 times. Merged at 7 different actions 31 times. Widened at 1 different actions 1 times. Performed 5537 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5537 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 8 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-23 06:18:46,496 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:18:46,496 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 06:18:46,600 INFO L227 lantSequenceWeakener]: Weakened 160 states. On average, predicates are now at 84.63% of their original sizes. [2018-11-23 06:18:46,601 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 06:18:46,648 INFO L415 sIntCurrentIteration]: We unified 164 AI predicates to 164 [2018-11-23 06:18:46,648 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 06:18:46,648 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 06:18:46,648 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 13 [2018-11-23 06:18:46,648 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:18:46,649 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 06:18:46,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 06:18:46,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 06:18:46,649 INFO L87 Difference]: Start difference. First operand 1887 states and 2570 transitions. Second operand 9 states. [2018-11-23 06:18:48,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:18:48,640 INFO L93 Difference]: Finished difference Result 4713 states and 6722 transitions. [2018-11-23 06:18:48,641 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-23 06:18:48,641 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 165 [2018-11-23 06:18:48,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:18:48,648 INFO L225 Difference]: With dead ends: 4713 [2018-11-23 06:18:48,648 INFO L226 Difference]: Without dead ends: 2832 [2018-11-23 06:18:48,653 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 175 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=96, Invalid=284, Unknown=0, NotChecked=0, Total=380 [2018-11-23 06:18:48,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2832 states. [2018-11-23 06:18:48,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2832 to 2807. [2018-11-23 06:18:48,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2807 states. [2018-11-23 06:18:48,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2807 states to 2807 states and 3692 transitions. [2018-11-23 06:18:48,697 INFO L78 Accepts]: Start accepts. Automaton has 2807 states and 3692 transitions. Word has length 165 [2018-11-23 06:18:48,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:18:48,697 INFO L480 AbstractCegarLoop]: Abstraction has 2807 states and 3692 transitions. [2018-11-23 06:18:48,697 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 06:18:48,697 INFO L276 IsEmpty]: Start isEmpty. Operand 2807 states and 3692 transitions. [2018-11-23 06:18:48,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-11-23 06:18:48,702 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:18:48,702 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:18:48,702 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:18:48,702 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:18:48,702 INFO L82 PathProgramCache]: Analyzing trace with hash 1836776895, now seen corresponding path program 1 times [2018-11-23 06:18:48,702 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:18:48,703 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:18:48,703 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:18:48,703 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:18:48,704 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:18:48,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:18:48,785 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 78 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 06:18:48,785 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:18:48,785 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 06:18:48,785 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 172 with the following transitions: [2018-11-23 06:18:48,786 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [56], [61], [63], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [599], [601], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 06:18:48,789 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 06:18:48,789 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 06:18:48,996 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 06:18:48,996 INFO L272 AbstractInterpreter]: Visited 123 different actions 360 times. Merged at 7 different actions 17 times. Never widened. Performed 4308 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4308 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-23 06:18:49,000 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:18:49,001 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 06:18:49,001 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:18:49,001 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7a665d26-29cf-4102-9559-32ae54be5dd9/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 06:18:49,010 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:18:49,011 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 06:18:49,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:18:49,103 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:18:49,263 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 78 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 06:18:49,263 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 06:18:49,421 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 78 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 06:18:49,453 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 06:18:49,453 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-23 06:18:49,453 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 06:18:49,454 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 06:18:49,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 06:18:49,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-11-23 06:18:49,454 INFO L87 Difference]: Start difference. First operand 2807 states and 3692 transitions. Second operand 9 states. [2018-11-23 06:18:51,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:18:51,163 INFO L93 Difference]: Finished difference Result 9836 states and 13954 transitions. [2018-11-23 06:18:51,163 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-23 06:18:51,163 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 171 [2018-11-23 06:18:51,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:18:51,180 INFO L225 Difference]: With dead ends: 9836 [2018-11-23 06:18:51,180 INFO L226 Difference]: Without dead ends: 5175 [2018-11-23 06:18:51,196 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 369 GetRequests, 347 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=370, Unknown=0, NotChecked=0, Total=506 [2018-11-23 06:18:51,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5175 states. [2018-11-23 06:18:51,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5175 to 5128. [2018-11-23 06:18:51,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5128 states. [2018-11-23 06:18:51,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5128 states to 5128 states and 6206 transitions. [2018-11-23 06:18:51,299 INFO L78 Accepts]: Start accepts. Automaton has 5128 states and 6206 transitions. Word has length 171 [2018-11-23 06:18:51,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:18:51,299 INFO L480 AbstractCegarLoop]: Abstraction has 5128 states and 6206 transitions. [2018-11-23 06:18:51,299 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 06:18:51,299 INFO L276 IsEmpty]: Start isEmpty. Operand 5128 states and 6206 transitions. [2018-11-23 06:18:51,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-11-23 06:18:51,312 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:18:51,312 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2018-11-23 06:18:51,312 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:18:51,313 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:18:51,313 INFO L82 PathProgramCache]: Analyzing trace with hash 722405864, now seen corresponding path program 1 times [2018-11-23 06:18:51,313 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:18:51,313 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:18:51,314 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:18:51,314 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:18:51,314 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:18:51,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:18:51,418 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 139 proven. 30 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2018-11-23 06:18:51,418 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:18:51,418 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 06:18:51,418 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 252 with the following transitions: [2018-11-23 06:18:51,418 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [56], [61], [63], [64], [68], [72], [76], [79], [80], [84], [88], [92], [96], [99], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [155], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [599], [601], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 06:18:51,421 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 06:18:51,421 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 06:18:51,735 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 06:18:51,735 INFO L272 AbstractInterpreter]: Visited 125 different actions 494 times. Merged at 8 different actions 30 times. Never widened. Performed 5670 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5670 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 9 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-23 06:18:51,740 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:18:51,741 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 06:18:51,962 INFO L227 lantSequenceWeakener]: Weakened 229 states. On average, predicates are now at 86.77% of their original sizes. [2018-11-23 06:18:51,962 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 06:18:52,168 INFO L415 sIntCurrentIteration]: We unified 250 AI predicates to 250 [2018-11-23 06:18:52,168 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 06:18:52,168 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 06:18:52,168 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [6] total 22 [2018-11-23 06:18:52,169 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:18:52,169 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-23 06:18:52,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-23 06:18:52,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2018-11-23 06:18:52,170 INFO L87 Difference]: Start difference. First operand 5128 states and 6206 transitions. Second operand 18 states. [2018-11-23 06:18:58,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:18:58,453 INFO L93 Difference]: Finished difference Result 7865 states and 9568 transitions. [2018-11-23 06:18:58,453 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-11-23 06:18:58,453 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 251 [2018-11-23 06:18:58,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:18:58,453 INFO L225 Difference]: With dead ends: 7865 [2018-11-23 06:18:58,453 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 06:18:58,463 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 268 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=228, Invalid=1032, Unknown=0, NotChecked=0, Total=1260 [2018-11-23 06:18:58,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 06:18:58,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 06:18:58,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 06:18:58,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 06:18:58,465 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 251 [2018-11-23 06:18:58,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:18:58,465 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 06:18:58,465 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-23 06:18:58,465 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 06:18:58,465 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 06:18:58,471 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 06:18:58,543 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:18:58,546 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:18:58,555 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:18:58,567 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:18:58,569 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:18:58,577 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:18:58,590 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:18:59,308 WARN L180 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 82 [2018-11-23 06:18:59,454 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 52 [2018-11-23 06:18:59,538 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 06:18:59,538 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a17~0 |old(~a17~0)|) (= ~a11~0 |old(~a11~0)|) (= |old(~a25~0)| ~a25~0)) [2018-11-23 06:18:59,538 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 06:18:59,538 INFO L448 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:18:59,538 INFO L448 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:18:59,538 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:18:59,538 INFO L448 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:18:59,538 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:18:59,538 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-11-23 06:18:59,538 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-11-23 06:18:59,538 INFO L448 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-23 06:18:59,538 INFO L448 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-23 06:18:59,538 INFO L448 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-11-23 06:18:59,538 INFO L448 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-23 06:18:59,538 INFO L448 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-11-23 06:18:59,538 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-11-23 06:18:59,538 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-11-23 06:18:59,539 INFO L448 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-11-23 06:18:59,539 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-23 06:18:59,539 INFO L448 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-11-23 06:18:59,539 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-11-23 06:18:59,539 INFO L448 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:18:59,539 INFO L448 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:18:59,539 INFO L448 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:18:59,539 INFO L448 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:18:59,539 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-23 06:18:59,539 INFO L448 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:18:59,539 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-11-23 06:18:59,539 INFO L448 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-23 06:18:59,539 INFO L448 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-23 06:18:59,539 INFO L448 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-23 06:18:59,539 INFO L448 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-23 06:18:59,539 INFO L448 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-23 06:18:59,539 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-11-23 06:18:59,539 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-23 06:18:59,539 INFO L448 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-11-23 06:18:59,539 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-11-23 06:18:59,539 INFO L448 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-11-23 06:18:59,540 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-11-23 06:18:59,540 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-11-23 06:18:59,540 INFO L448 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-11-23 06:18:59,540 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-11-23 06:18:59,540 INFO L448 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:18:59,540 INFO L448 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:18:59,540 INFO L448 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:18:59,540 INFO L448 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:18:59,540 INFO L448 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:18:59,540 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-11-23 06:18:59,540 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-11-23 06:18:59,540 INFO L448 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-11-23 06:18:59,540 INFO L448 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-23 06:18:59,540 INFO L448 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-23 06:18:59,540 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-23 06:18:59,540 INFO L448 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-23 06:18:59,540 INFO L448 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-23 06:18:59,540 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-11-23 06:18:59,540 INFO L448 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-11-23 06:18:59,540 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-11-23 06:18:59,540 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:18:59,540 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:18:59,540 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:18:59,541 INFO L448 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:18:59,541 INFO L448 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:18:59,541 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-11-23 06:18:59,541 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-11-23 06:18:59,541 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-11-23 06:18:59,541 INFO L448 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-23 06:18:59,541 INFO L448 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-23 06:18:59,541 INFO L448 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-11-23 06:18:59,541 INFO L448 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-23 06:18:59,541 INFO L448 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-11-23 06:18:59,541 INFO L448 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-23 06:18:59,541 INFO L448 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-11-23 06:18:59,541 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-11-23 06:18:59,541 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-11-23 06:18:59,541 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-11-23 06:18:59,541 INFO L448 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:18:59,541 INFO L448 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:18:59,541 INFO L448 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:18:59,541 INFO L448 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:18:59,541 INFO L448 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:18:59,541 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-11-23 06:18:59,541 INFO L448 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-23 06:18:59,541 INFO L448 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-11-23 06:18:59,541 INFO L448 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-11-23 06:18:59,541 INFO L448 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-23 06:18:59,542 INFO L448 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-23 06:18:59,542 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-11-23 06:18:59,542 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-11-23 06:18:59,542 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-11-23 06:18:59,542 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-11-23 06:18:59,542 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-11-23 06:18:59,542 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-11-23 06:18:59,542 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-11-23 06:18:59,542 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-23 06:18:59,542 INFO L448 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-11-23 06:18:59,542 INFO L448 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-11-23 06:18:59,542 INFO L448 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:18:59,542 INFO L448 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:18:59,542 INFO L448 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:18:59,542 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:18:59,542 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-11-23 06:18:59,542 INFO L448 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:18:59,542 INFO L448 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-11-23 06:18:59,542 INFO L448 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:18:59,542 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-23 06:18:59,542 INFO L448 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-11-23 06:18:59,542 INFO L448 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-11-23 06:18:59,542 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:18:59,542 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:18:59,543 INFO L448 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-23 06:18:59,543 INFO L448 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-23 06:18:59,543 INFO L448 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-11-23 06:18:59,543 INFO L448 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-23 06:18:59,543 INFO L448 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-23 06:18:59,543 INFO L448 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-11-23 06:18:59,543 INFO L448 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-11-23 06:18:59,543 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-11-23 06:18:59,543 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-11-23 06:18:59,543 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-11-23 06:18:59,543 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-11-23 06:18:59,543 INFO L448 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:18:59,543 INFO L448 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:18:59,543 INFO L448 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:18:59,543 INFO L448 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:18:59,543 INFO L448 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:18:59,544 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:18:59,544 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-11-23 06:18:59,544 INFO L448 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-23 06:18:59,544 INFO L448 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-23 06:18:59,544 INFO L448 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-23 06:18:59,544 INFO L448 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-23 06:18:59,544 INFO L448 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-23 06:18:59,544 INFO L448 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-23 06:18:59,544 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-11-23 06:18:59,544 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-11-23 06:18:59,544 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-11-23 06:18:59,544 INFO L448 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-11-23 06:18:59,544 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:18:59,544 INFO L448 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:18:59,545 INFO L448 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:18:59,545 INFO L448 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:18:59,545 INFO L448 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:18:59,545 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:18:59,545 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-11-23 06:18:59,545 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-11-23 06:18:59,545 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-11-23 06:18:59,545 INFO L448 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-11-23 06:18:59,545 INFO L448 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-23 06:18:59,545 INFO L448 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-11-23 06:18:59,545 INFO L448 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-11-23 06:18:59,545 INFO L448 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-23 06:18:59,545 INFO L448 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-23 06:18:59,545 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-11-23 06:18:59,546 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-11-23 06:18:59,546 INFO L448 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-11-23 06:18:59,546 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-11-23 06:18:59,546 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-11-23 06:18:59,546 INFO L448 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:18:59,546 INFO L448 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:18:59,546 INFO L448 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:18:59,546 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse10 (= 8 |old(~a28~0)|))) (let ((.cse1 (= 1 |old(~a11~0)|)) (.cse2 (= ~a28~0 8)) (.cse0 (not (= 1 ~a21~0))) (.cse3 (not .cse10))) (let ((.cse6 (not (= 0 |old(~a25~0)|))) (.cse7 (not (= 0 |old(~a11~0)|))) (.cse18 (and (or .cse0 (not (= 7 |old(~a28~0)|))) (or .cse0 .cse3))) (.cse8 (= ~a28~0 7)) (.cse12 (= ~a11~0 |old(~a11~0)|)) (.cse13 (not .cse2)) (.cse11 (<= ~a17~0 |old(~a17~0)|)) (.cse15 (< 7 |old(~a17~0)|)) (.cse16 (= 1 |old(~a25~0)|)) (.cse22 (not (= ~a28~0 0))) (.cse19 (= 1 ~a11~0)) (.cse20 (= ~a17~0 8)) (.cse14 (= |old(~a25~0)| ~a25~0)) (.cse21 (not .cse1)) (.cse9 (not (= 1 |old(~a19~0)|))) (.cse17 (= 0 |old(~a28~0)|)) (.cse4 (not (= 8 |old(~a17~0)|))) (.cse5 (= |calculate_output_#in~input| 0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or (or .cse0 (not (= 10 |old(~a28~0)|))) .cse7 .cse5 (or .cse8 (= ~a28~0 10)) .cse9 .cse4 .cse6) (or .cse10 (and .cse11 .cse12 .cse13 .cse14) .cse15) (or (or .cse0 (not (= 11 |old(~a28~0)|)) (not .cse16)) .cse9 .cse7 .cse4 .cse5 (= ~a28~0 11)) (or .cse0 .cse9 .cse17 .cse10 .cse4 .cse5 .cse13) (or .cse18 (and .cse19 .cse20 .cse14 .cse8) .cse10 .cse4 .cse5 .cse21) (or .cse1 .cse18 (and .cse12 (or .cse2 .cse8) .cse20 .cse14) .cse4 .cse5) (or .cse0 .cse1 .cse17 .cse10 (and .cse12 .cse22 .cse13 .cse20 .cse14) .cse4 .cse5) (or (and .cse11 .cse19 .cse14) .cse21 .cse15 .cse16) (or .cse0 .cse9 .cse17 .cse4 (and .cse22 .cse19 .cse20 .cse14) .cse5 .cse21) (or .cse0 (= ~a19~0 1) .cse9 .cse17 .cse4 .cse5))))) [2018-11-23 06:18:59,546 INFO L448 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:18:59,546 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:18:59,547 INFO L448 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:18:59,547 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 499) no Hoare annotation was computed. [2018-11-23 06:18:59,547 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-11-23 06:18:59,547 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-11-23 06:18:59,547 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-11-23 06:18:59,547 INFO L448 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-11-23 06:18:59,547 INFO L448 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-23 06:18:59,547 INFO L448 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-23 06:18:59,547 INFO L448 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-11-23 06:18:59,547 INFO L448 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-23 06:18:59,547 INFO L448 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-11-23 06:18:59,547 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-11-23 06:18:59,547 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-11-23 06:18:59,548 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-11-23 06:18:59,548 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-11-23 06:18:59,548 INFO L448 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:18:59,548 INFO L448 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:18:59,548 INFO L448 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:18:59,548 INFO L448 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:18:59,548 INFO L448 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:18:59,548 INFO L448 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:18:59,548 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-11-23 06:18:59,548 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-11-23 06:18:59,548 INFO L448 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-23 06:18:59,548 INFO L448 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-11-23 06:18:59,548 INFO L448 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-11-23 06:18:59,548 INFO L448 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-11-23 06:18:59,549 INFO L448 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-23 06:18:59,549 INFO L448 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-11-23 06:18:59,549 INFO L448 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-11-23 06:18:59,549 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-11-23 06:18:59,549 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-11-23 06:18:59,549 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-11-23 06:18:59,549 INFO L448 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-11-23 06:18:59,549 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-11-23 06:18:59,549 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-11-23 06:18:59,549 INFO L448 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-11-23 06:18:59,549 INFO L448 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:18:59,549 INFO L448 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:18:59,549 INFO L448 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:18:59,549 INFO L448 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:18:59,550 INFO L448 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:18:59,550 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-11-23 06:18:59,550 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-11-23 06:18:59,550 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-11-23 06:18:59,550 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-11-23 06:18:59,550 INFO L448 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-23 06:18:59,550 INFO L448 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-23 06:18:59,550 INFO L448 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-23 06:18:59,550 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-23 06:18:59,550 INFO L448 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-23 06:18:59,550 INFO L448 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-23 06:18:59,550 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-11-23 06:18:59,550 INFO L448 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-11-23 06:18:59,550 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-11-23 06:18:59,551 INFO L448 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-11-23 06:18:59,551 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-11-23 06:18:59,551 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-11-23 06:18:59,551 INFO L448 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-11-23 06:18:59,551 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-11-23 06:18:59,551 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-11-23 06:18:59,551 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 06:18:59,551 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a21~0 1)) [2018-11-23 06:18:59,551 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 06:18:59,551 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 06:18:59,551 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 (= 1 |old(~a19~0)|)) (and (= ~a11~0 |old(~a11~0)|) (= ~a17~0 8) (= |old(~a25~0)| ~a25~0) (= ~a19~0 1) (= ~a28~0 7)) (not (= 0 |old(~a11~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|))) [2018-11-23 06:18:59,552 INFO L444 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse0 (not (= main_~input~0 0))) (.cse5 (<= ~a17~0 7)) (.cse3 (= ~a28~0 7)) (.cse1 (not (= ~a28~0 0))) (.cse4 (= 1 ~a11~0)) (.cse2 (= ~a17~0 8)) (.cse6 (= ~a19~0 1))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and .cse0 (= ~a11~0 |old(~a11~0)|) .cse1 .cse2) (not (= 0 |old(~a11~0)|)) (and .cse0 .cse3 .cse4 .cse2) (and .cse5 (not (= ~a25~0 1)) .cse4) (and .cse5 (not (= ~a28~0 8))) (and .cse2 .cse6 .cse3 (and (= ~a11~0 0) (= ~a25~0 0))) (not (= 1 |old(~a19~0)|)) (and .cse1 .cse4 .cse2 .cse6) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)))) [2018-11-23 06:18:59,552 INFO L448 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2018-11-23 06:18:59,552 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-11-23 06:18:59,552 INFO L444 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse4 (<= ~a17~0 7)) (.cse0 (not (= main_~input~0 0))) (.cse1 (not (= ~a28~0 0))) (.cse3 (= 1 ~a11~0)) (.cse2 (= ~a17~0 8))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and .cse0 (= ~a11~0 |old(~a11~0)|) .cse1 .cse2) (not (= 0 |old(~a11~0)|)) (and .cse0 (= ~a28~0 7) .cse3 .cse2) (and .cse4 (not (= ~a25~0 1)) .cse3) (and .cse4 (not (= ~a28~0 8))) (not (= 1 |old(~a19~0)|)) (and .cse0 .cse1 .cse3 .cse2 (= ~a19~0 1)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)))) [2018-11-23 06:18:59,552 INFO L448 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-23 06:18:59,552 INFO L448 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-11-23 06:18:59,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 06:18:59 BoogieIcfgContainer [2018-11-23 06:18:59,561 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 06:18:59,561 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 06:18:59,562 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 06:18:59,562 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 06:18:59,562 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:18:33" (3/4) ... [2018-11-23 06:18:59,565 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 06:18:59,569 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 06:18:59,569 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 06:18:59,569 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 06:18:59,583 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 06:18:59,583 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 06:18:59,602 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(1 == a21) || !(7 == \old(a28))) || (((!(input == 0) && a11 == \old(a11)) && !(a28 == 0)) && a17 == 8)) || !(0 == \old(a11))) || (((!(input == 0) && a28 == 7) && 1 == a11) && a17 == 8)) || ((a17 <= 7 && !(a25 == 1)) && 1 == a11)) || (a17 <= 7 && !(a28 == 8))) || (((a17 == 8 && a19 == 1) && a28 == 7) && a11 == 0 && a25 == 0)) || !(1 == \old(a19))) || (((!(a28 == 0) && 1 == a11) && a17 == 8) && a19 == 1)) || !(8 == \old(a17))) || !(0 == \old(a25)) [2018-11-23 06:18:59,665 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7a665d26-29cf-4102-9559-32ae54be5dd9/bin-2019/utaipan/witness.graphml [2018-11-23 06:18:59,665 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 06:18:59,666 INFO L168 Benchmark]: Toolchain (without parser) took 27273.72 ms. Allocated memory was 1.0 GB in the beginning and 2.7 GB in the end (delta: 1.7 GB). Free memory was 955.5 MB in the beginning and 1.9 GB in the end (delta: -964.9 MB). Peak memory consumption was 731.2 MB. Max. memory is 11.5 GB. [2018-11-23 06:18:59,667 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 06:18:59,667 INFO L168 Benchmark]: CACSL2BoogieTranslator took 357.94 ms. Allocated memory is still 1.0 GB. Free memory was 955.5 MB in the beginning and 920.5 MB in the end (delta: 35.0 MB). Peak memory consumption was 35.0 MB. Max. memory is 11.5 GB. [2018-11-23 06:18:59,667 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 920.5 MB in the beginning and 1.1 GB in the end (delta: -209.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2018-11-23 06:18:59,667 INFO L168 Benchmark]: Boogie Preprocessor took 48.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 06:18:59,667 INFO L168 Benchmark]: RCFGBuilder took 749.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 99.0 MB). Peak memory consumption was 99.0 MB. Max. memory is 11.5 GB. [2018-11-23 06:18:59,668 INFO L168 Benchmark]: TraceAbstraction took 25943.91 ms. Allocated memory was 1.2 GB in the beginning and 2.7 GB in the end (delta: 1.6 GB). Free memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: -897.3 MB). Peak memory consumption was 664.5 MB. Max. memory is 11.5 GB. [2018-11-23 06:18:59,670 INFO L168 Benchmark]: Witness Printer took 103.85 ms. Allocated memory is still 2.7 GB. Free memory is still 1.9 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 06:18:59,672 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 357.94 ms. Allocated memory is still 1.0 GB. Free memory was 955.5 MB in the beginning and 920.5 MB in the end (delta: 35.0 MB). Peak memory consumption was 35.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 67.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 920.5 MB in the beginning and 1.1 GB in the end (delta: -209.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 749.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 99.0 MB). Peak memory consumption was 99.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 25943.91 ms. Allocated memory was 1.2 GB in the beginning and 2.7 GB in the end (delta: 1.6 GB). Free memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: -897.3 MB). Peak memory consumption was 664.5 MB. Max. memory is 11.5 GB. * Witness Printer took 103.85 ms. Allocated memory is still 2.7 GB. Free memory is still 1.9 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 499]: 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) || !(7 == \old(a28))) || (((!(input == 0) && a11 == \old(a11)) && !(a28 == 0)) && a17 == 8)) || !(0 == \old(a11))) || (((!(input == 0) && a28 == 7) && 1 == a11) && a17 == 8)) || ((a17 <= 7 && !(a25 == 1)) && 1 == a11)) || (a17 <= 7 && !(a28 == 8))) || (((a17 == 8 && a19 == 1) && a28 == 7) && a11 == 0 && a25 == 0)) || !(1 == \old(a19))) || (((!(a28 == 0) && 1 == a11) && a17 == 8) && a19 == 1)) || !(8 == \old(a17))) || !(0 == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. SAFE Result, 25.8s OverallTime, 8 OverallIterations, 7 TraceHistogramMax, 20.2s AutomataDifference, 0.0s DeadEndRemovalTime, 1.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1311 SDtfs, 7456 SDslu, 1884 SDs, 0 SdLazy, 11181 SolverSat, 2209 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.6s Time, PredicateUnifierStatistics: 10 DeclaredPredicates, 1274 GetRequests, 1148 SyntacticMatches, 4 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 490 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5128occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.4s AbstIntTime, 6 AbstIntIterations, 5 AbstIntStrong, 0.9962907873609999 AbsIntWeakeningRatio, 0.23809523809523808 AbsIntAvgWeakeningVarsNumRemoved, 25.554761904761904 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 106 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 110 PreInvPairs, 169 NumberOfFragments, 623 HoareAnnotationTreeSize, 110 FomulaSimplifications, 4872 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2334 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1437 NumberOfCodeBlocks, 1437 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1598 ConstructedInterpolants, 0 QuantifiedInterpolants, 452538 SizeOfPredicates, 1 NumberOfNonLiveVariables, 469 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 10 InterpolantComputations, 2 PerfectInterpolantSequences, 737/805 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...