./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label13_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e10e0de0-89b0-4938-97db-aded0c5d414e/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e10e0de0-89b0-4938-97db-aded0c5d414e/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e10e0de0-89b0-4938-97db-aded0c5d414e/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e10e0de0-89b0-4938-97db-aded0c5d414e/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label13_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e10e0de0-89b0-4938-97db-aded0c5d414e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e10e0de0-89b0-4938-97db-aded0c5d414e/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 c02679de872b8968623da7b5a7e12653047a8c34 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 12:56:07,670 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:56:07,671 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:56:07,680 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:56:07,680 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:56:07,681 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:56:07,682 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:56:07,684 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:56:07,685 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:56:07,686 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:56:07,686 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:56:07,687 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:56:07,687 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:56:07,688 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:56:07,689 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:56:07,690 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:56:07,690 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:56:07,692 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:56:07,693 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:56:07,695 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:56:07,695 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:56:07,696 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:56:07,698 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:56:07,698 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:56:07,698 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:56:07,699 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:56:07,700 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:56:07,700 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:56:07,702 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:56:07,703 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:56:07,703 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:56:07,703 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:56:07,703 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:56:07,704 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:56:07,704 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:56:07,706 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:56:07,706 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e10e0de0-89b0-4938-97db-aded0c5d414e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 12:56:07,716 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:56:07,716 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:56:07,717 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 12:56:07,717 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 12:56:07,718 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 12:56:07,718 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 12:56:07,718 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 12:56:07,718 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 12:56:07,718 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 12:56:07,718 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 12:56:07,718 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 12:56:07,718 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 12:56:07,719 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 12:56:07,719 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:56:07,719 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:56:07,719 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 12:56:07,720 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:56:07,720 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:56:07,720 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 12:56:07,720 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 12:56:07,720 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 12:56:07,720 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:56:07,720 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:56:07,721 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:56:07,721 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 12:56:07,723 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:56:07,723 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 12:56:07,723 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 12:56:07,723 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 12:56:07,723 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 12:56:07,724 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:56:07,724 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 12:56:07,724 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 12:56:07,724 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 12:56:07,724 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 12:56:07,724 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 12:56:07,724 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 12:56:07,724 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_e10e0de0-89b0-4938-97db-aded0c5d414e/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 -> c02679de872b8968623da7b5a7e12653047a8c34 [2018-11-18 12:56:07,750 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:56:07,759 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:56:07,762 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:56:07,763 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:56:07,764 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:56:07,764 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e10e0de0-89b0-4938-97db-aded0c5d414e/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem10_label13_true-unreach-call.c [2018-11-18 12:56:07,814 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e10e0de0-89b0-4938-97db-aded0c5d414e/bin-2019/utaipan/data/a2536b2dd/7b4dd8a262034900a0adc9f27ad2811d/FLAG0b908305a [2018-11-18 12:56:08,246 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:56:08,247 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e10e0de0-89b0-4938-97db-aded0c5d414e/sv-benchmarks/c/eca-rers2012/Problem10_label13_true-unreach-call.c [2018-11-18 12:56:08,255 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e10e0de0-89b0-4938-97db-aded0c5d414e/bin-2019/utaipan/data/a2536b2dd/7b4dd8a262034900a0adc9f27ad2811d/FLAG0b908305a [2018-11-18 12:56:08,267 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e10e0de0-89b0-4938-97db-aded0c5d414e/bin-2019/utaipan/data/a2536b2dd/7b4dd8a262034900a0adc9f27ad2811d [2018-11-18 12:56:08,270 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:56:08,271 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 12:56:08,272 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:56:08,272 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:56:08,276 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:56:08,276 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:56:08" (1/1) ... [2018-11-18 12:56:08,278 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f8ec8ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:56:08, skipping insertion in model container [2018-11-18 12:56:08,279 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:56:08" (1/1) ... [2018-11-18 12:56:08,286 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:56:08,323 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:56:08,623 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:56:08,626 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:56:08,696 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:56:08,708 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:56:08,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:56:08 WrapperNode [2018-11-18 12:56:08,709 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:56:08,710 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 12:56:08,710 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 12:56:08,710 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 12:56:08,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:56:08" (1/1) ... [2018-11-18 12:56:08,796 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:56:08" (1/1) ... [2018-11-18 12:56:08,802 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 12:56:08,803 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:56:08,803 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:56:08,803 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:56:08,811 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:56:08" (1/1) ... [2018-11-18 12:56:08,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:56:08" (1/1) ... [2018-11-18 12:56:08,815 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:56:08" (1/1) ... [2018-11-18 12:56:08,815 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:56:08" (1/1) ... [2018-11-18 12:56:08,837 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:56:08" (1/1) ... [2018-11-18 12:56:08,848 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:56:08" (1/1) ... [2018-11-18 12:56:08,853 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:56:08" (1/1) ... [2018-11-18 12:56:08,859 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:56:08,859 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:56:08,860 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:56:08,860 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:56:08,860 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:56:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e10e0de0-89b0-4938-97db-aded0c5d414e/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 12:56:08,932 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 12:56:08,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 12:56:08,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 12:56:08,932 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 12:56:08,932 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 12:56:08,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:56:08,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:56:08,933 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 12:56:08,933 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 12:56:10,487 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:56:10,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:56:10 BoogieIcfgContainer [2018-11-18 12:56:10,488 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:56:10,488 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 12:56:10,488 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 12:56:10,492 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 12:56:10,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 12:56:08" (1/3) ... [2018-11-18 12:56:10,493 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@311c143 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:56:10, skipping insertion in model container [2018-11-18 12:56:10,493 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:56:08" (2/3) ... [2018-11-18 12:56:10,493 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@311c143 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:56:10, skipping insertion in model container [2018-11-18 12:56:10,493 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:56:10" (3/3) ... [2018-11-18 12:56:10,495 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label13_true-unreach-call.c [2018-11-18 12:56:10,503 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 12:56:10,512 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 12:56:10,527 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 12:56:10,567 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 12:56:10,568 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 12:56:10,568 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 12:56:10,568 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 12:56:10,568 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 12:56:10,568 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 12:56:10,568 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 12:56:10,568 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 12:56:10,596 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2018-11-18 12:56:10,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-18 12:56:10,609 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:56:10,609 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:56:10,611 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:56:10,616 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:56:10,617 INFO L82 PathProgramCache]: Analyzing trace with hash -1833590460, now seen corresponding path program 1 times [2018-11-18 12:56:10,619 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:56:10,666 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:56:10,666 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:56:10,666 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:56:10,666 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:56:10,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:56:11,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:56:11,015 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:56:11,015 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 12:56:11,016 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:56:11,021 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 12:56:11,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:56:11,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:56:11,035 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 3 states. [2018-11-18 12:56:11,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:56:11,750 INFO L93 Difference]: Finished difference Result 574 states and 992 transitions. [2018-11-18 12:56:11,753 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:56:11,753 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2018-11-18 12:56:11,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:56:11,764 INFO L225 Difference]: With dead ends: 574 [2018-11-18 12:56:11,765 INFO L226 Difference]: Without dead ends: 356 [2018-11-18 12:56:11,768 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:56:11,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2018-11-18 12:56:11,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 356. [2018-11-18 12:56:11,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2018-11-18 12:56:11,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 609 transitions. [2018-11-18 12:56:11,813 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 609 transitions. Word has length 62 [2018-11-18 12:56:11,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:56:11,813 INFO L480 AbstractCegarLoop]: Abstraction has 356 states and 609 transitions. [2018-11-18 12:56:11,814 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 12:56:11,814 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 609 transitions. [2018-11-18 12:56:11,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-11-18 12:56:11,820 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:56:11,820 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:56:11,820 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:56:11,821 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:56:11,821 INFO L82 PathProgramCache]: Analyzing trace with hash -1187218136, now seen corresponding path program 1 times [2018-11-18 12:56:11,821 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:56:11,822 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:56:11,822 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:56:11,822 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:56:11,822 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:56:11,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:56:12,160 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:56:12,161 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:56:12,162 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 12:56:12,162 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:56:12,164 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 12:56:12,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 12:56:12,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 12:56:12,164 INFO L87 Difference]: Start difference. First operand 356 states and 609 transitions. Second operand 5 states. [2018-11-18 12:56:13,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:56:13,702 INFO L93 Difference]: Finished difference Result 1140 states and 2022 transitions. [2018-11-18 12:56:13,704 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 12:56:13,704 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 182 [2018-11-18 12:56:13,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:56:13,710 INFO L225 Difference]: With dead ends: 1140 [2018-11-18 12:56:13,711 INFO L226 Difference]: Without dead ends: 790 [2018-11-18 12:56:13,721 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-18 12:56:13,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2018-11-18 12:56:13,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 784. [2018-11-18 12:56:13,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 784 states. [2018-11-18 12:56:13,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 784 states and 1300 transitions. [2018-11-18 12:56:13,755 INFO L78 Accepts]: Start accepts. Automaton has 784 states and 1300 transitions. Word has length 182 [2018-11-18 12:56:13,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:56:13,756 INFO L480 AbstractCegarLoop]: Abstraction has 784 states and 1300 transitions. [2018-11-18 12:56:13,756 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 12:56:13,756 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 1300 transitions. [2018-11-18 12:56:13,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-11-18 12:56:13,760 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:56:13,761 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:56:13,761 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:56:13,761 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:56:13,761 INFO L82 PathProgramCache]: Analyzing trace with hash 853127875, now seen corresponding path program 1 times [2018-11-18 12:56:13,761 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:56:13,762 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:56:13,762 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:56:13,762 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:56:13,762 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:56:13,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:56:13,979 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:56:13,979 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:56:13,979 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 12:56:13,979 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:56:13,981 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 12:56:13,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 12:56:13,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 12:56:13,982 INFO L87 Difference]: Start difference. First operand 784 states and 1300 transitions. Second operand 6 states. [2018-11-18 12:56:16,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:56:16,333 INFO L93 Difference]: Finished difference Result 1975 states and 3367 transitions. [2018-11-18 12:56:16,334 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 12:56:16,334 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 189 [2018-11-18 12:56:16,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:56:16,340 INFO L225 Difference]: With dead ends: 1975 [2018-11-18 12:56:16,340 INFO L226 Difference]: Without dead ends: 1197 [2018-11-18 12:56:16,344 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 12:56:16,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1197 states. [2018-11-18 12:56:16,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1197 to 1177. [2018-11-18 12:56:16,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1177 states. [2018-11-18 12:56:16,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1177 states to 1177 states and 1754 transitions. [2018-11-18 12:56:16,377 INFO L78 Accepts]: Start accepts. Automaton has 1177 states and 1754 transitions. Word has length 189 [2018-11-18 12:56:16,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:56:16,378 INFO L480 AbstractCegarLoop]: Abstraction has 1177 states and 1754 transitions. [2018-11-18 12:56:16,378 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 12:56:16,378 INFO L276 IsEmpty]: Start isEmpty. Operand 1177 states and 1754 transitions. [2018-11-18 12:56:16,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2018-11-18 12:56:16,384 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:56:16,384 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:56:16,385 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:56:16,385 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:56:16,386 INFO L82 PathProgramCache]: Analyzing trace with hash 751323799, now seen corresponding path program 1 times [2018-11-18 12:56:16,386 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:56:16,387 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:56:16,387 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:56:16,387 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:56:16,387 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:56:16,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:56:16,842 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-11-18 12:56:17,172 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 179 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:56:17,172 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:56:17,172 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:56:17,173 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 254 with the following transitions: [2018-11-18 12:56:17,174 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [397], [399], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [694], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-18 12:56:17,214 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:56:17,214 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:56:18,507 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 12:56:18,509 INFO L272 AbstractInterpreter]: Visited 129 different actions 500 times. Merged at 7 different actions 20 times. Never widened. Performed 5340 root evaluator evaluations with a maximum evaluation depth of 15. Performed 5340 inverse root evaluator evaluations with a maximum inverse evaluation depth of 15. Found 4 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-18 12:56:18,549 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:56:18,550 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 12:56:18,550 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:56:18,551 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e10e0de0-89b0-4938-97db-aded0c5d414e/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:56:18,566 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:56:18,567 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 12:56:18,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:56:18,674 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:56:19,495 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 179 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:56:19,495 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 12:56:19,763 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 179 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:56:19,779 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 12:56:19,780 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 5, 5] total 17 [2018-11-18 12:56:19,780 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 12:56:19,780 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-18 12:56:19,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-18 12:56:19,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2018-11-18 12:56:19,782 INFO L87 Difference]: Start difference. First operand 1177 states and 1754 transitions. Second operand 16 states. [2018-11-18 12:56:24,309 WARN L180 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 19 [2018-11-18 12:56:24,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:56:24,403 INFO L93 Difference]: Finished difference Result 3810 states and 6145 transitions. [2018-11-18 12:56:24,403 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-11-18 12:56:24,403 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 253 [2018-11-18 12:56:24,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:56:24,419 INFO L225 Difference]: With dead ends: 3810 [2018-11-18 12:56:24,420 INFO L226 Difference]: Without dead ends: 2639 [2018-11-18 12:56:24,431 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 571 GetRequests, 517 SyntacticMatches, 3 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 686 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=654, Invalid=2102, Unknown=0, NotChecked=0, Total=2756 [2018-11-18 12:56:24,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2639 states. [2018-11-18 12:56:24,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2639 to 2321. [2018-11-18 12:56:24,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2321 states. [2018-11-18 12:56:24,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2321 states to 2321 states and 3108 transitions. [2018-11-18 12:56:24,508 INFO L78 Accepts]: Start accepts. Automaton has 2321 states and 3108 transitions. Word has length 253 [2018-11-18 12:56:24,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:56:24,509 INFO L480 AbstractCegarLoop]: Abstraction has 2321 states and 3108 transitions. [2018-11-18 12:56:24,509 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-18 12:56:24,510 INFO L276 IsEmpty]: Start isEmpty. Operand 2321 states and 3108 transitions. [2018-11-18 12:56:24,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-11-18 12:56:24,518 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:56:24,518 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:56:24,518 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:56:24,519 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:56:24,519 INFO L82 PathProgramCache]: Analyzing trace with hash 55644656, now seen corresponding path program 1 times [2018-11-18 12:56:24,519 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:56:24,519 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:56:24,520 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:56:24,520 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:56:24,520 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:56:24,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:56:24,981 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2018-11-18 12:56:25,186 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 188 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:56:25,186 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:56:25,186 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:56:25,186 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 269 with the following transitions: [2018-11-18 12:56:25,187 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [397], [399], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [534], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [718], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-18 12:56:25,192 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:56:25,192 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:56:25,483 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 12:56:25,483 INFO L272 AbstractInterpreter]: Visited 135 different actions 268 times. Merged at 7 different actions 10 times. Never widened. Performed 2816 root evaluator evaluations with a maximum evaluation depth of 10. Performed 2816 inverse root evaluator evaluations with a maximum inverse evaluation depth of 10. Found 2 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-18 12:56:25,537 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:56:25,537 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 12:56:25,537 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:56:25,537 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e10e0de0-89b0-4938-97db-aded0c5d414e/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2018-11-18 12:56:25,548 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:56:25,548 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:56:25,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:56:25,629 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:56:26,119 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 188 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:56:26,119 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 12:56:26,365 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-11-18 12:56:26,737 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 188 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:56:26,762 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 12:56:26,762 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-18 12:56:26,762 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 12:56:26,763 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 12:56:26,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 12:56:26,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-11-18 12:56:26,763 INFO L87 Difference]: Start difference. First operand 2321 states and 3108 transitions. Second operand 9 states. [2018-11-18 12:56:28,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:56:28,180 INFO L93 Difference]: Finished difference Result 6950 states and 10487 transitions. [2018-11-18 12:56:28,183 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-18 12:56:28,183 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 268 [2018-11-18 12:56:28,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:56:28,194 INFO L225 Difference]: With dead ends: 6950 [2018-11-18 12:56:28,194 INFO L226 Difference]: Without dead ends: 1803 [2018-11-18 12:56:28,240 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 557 GetRequests, 539 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2018-11-18 12:56:28,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1803 states. [2018-11-18 12:56:28,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1803 to 1637. [2018-11-18 12:56:28,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1637 states. [2018-11-18 12:56:28,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1637 states to 1637 states and 2042 transitions. [2018-11-18 12:56:28,300 INFO L78 Accepts]: Start accepts. Automaton has 1637 states and 2042 transitions. Word has length 268 [2018-11-18 12:56:28,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:56:28,300 INFO L480 AbstractCegarLoop]: Abstraction has 1637 states and 2042 transitions. [2018-11-18 12:56:28,300 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 12:56:28,300 INFO L276 IsEmpty]: Start isEmpty. Operand 1637 states and 2042 transitions. [2018-11-18 12:56:28,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-11-18 12:56:28,309 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:56:28,310 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:56:28,310 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:56:28,310 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:56:28,310 INFO L82 PathProgramCache]: Analyzing trace with hash 377090236, now seen corresponding path program 1 times [2018-11-18 12:56:28,310 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:56:28,311 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:56:28,311 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:56:28,311 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:56:28,312 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:56:28,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:56:28,552 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 110 proven. 91 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 12:56:28,553 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:56:28,553 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:56:28,553 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 279 with the following transitions: [2018-11-18 12:56:28,553 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [397], [399], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [598], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [694], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-18 12:56:28,557 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:56:28,557 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:56:28,649 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 12:56:28,649 INFO L272 AbstractInterpreter]: Visited 125 different actions 125 times. Never merged. Never widened. Performed 1212 root evaluator evaluations with a maximum evaluation depth of 9. Performed 1212 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Never found a fixpoint. Largest state had 24 variables. [2018-11-18 12:56:28,685 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:56:28,685 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 12:56:29,106 INFO L227 lantSequenceWeakener]: Weakened 269 states. On average, predicates are now at 73.43% of their original sizes. [2018-11-18 12:56:29,109 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 12:56:29,172 INFO L415 sIntCurrentIteration]: We unified 277 AI predicates to 277 [2018-11-18 12:56:29,173 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 12:56:29,174 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 12:56:29,174 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-11-18 12:56:29,174 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:56:29,174 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 12:56:29,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 12:56:29,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 12:56:29,175 INFO L87 Difference]: Start difference. First operand 1637 states and 2042 transitions. Second operand 6 states. [2018-11-18 12:56:37,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:56:37,831 INFO L93 Difference]: Finished difference Result 2990 states and 3753 transitions. [2018-11-18 12:56:37,832 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 12:56:37,832 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 278 [2018-11-18 12:56:37,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:56:37,839 INFO L225 Difference]: With dead ends: 2990 [2018-11-18 12:56:37,839 INFO L226 Difference]: Without dead ends: 1639 [2018-11-18 12:56:37,843 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 278 GetRequests, 273 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-18 12:56:37,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1639 states. [2018-11-18 12:56:37,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1639 to 1637. [2018-11-18 12:56:37,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1637 states. [2018-11-18 12:56:37,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1637 states to 1637 states and 2031 transitions. [2018-11-18 12:56:37,905 INFO L78 Accepts]: Start accepts. Automaton has 1637 states and 2031 transitions. Word has length 278 [2018-11-18 12:56:37,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:56:37,906 INFO L480 AbstractCegarLoop]: Abstraction has 1637 states and 2031 transitions. [2018-11-18 12:56:37,906 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 12:56:37,906 INFO L276 IsEmpty]: Start isEmpty. Operand 1637 states and 2031 transitions. [2018-11-18 12:56:37,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2018-11-18 12:56:37,916 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:56:37,917 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:56:37,917 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:56:37,917 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:56:37,917 INFO L82 PathProgramCache]: Analyzing trace with hash 346724968, now seen corresponding path program 1 times [2018-11-18 12:56:37,918 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:56:37,918 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:56:37,918 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:56:37,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:56:37,919 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:56:37,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:56:38,219 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 111 proven. 46 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-11-18 12:56:38,219 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:56:38,219 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:56:38,220 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 305 with the following transitions: [2018-11-18 12:56:38,220 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [397], [399], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [718], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-18 12:56:38,223 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:56:38,223 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:56:38,372 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 12:56:38,373 INFO L272 AbstractInterpreter]: Visited 134 different actions 262 times. Merged at 5 different actions 5 times. Never widened. Performed 2723 root evaluator evaluations with a maximum evaluation depth of 13. Performed 2723 inverse root evaluator evaluations with a maximum inverse evaluation depth of 13. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-18 12:56:38,393 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:56:38,393 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 12:56:38,655 INFO L227 lantSequenceWeakener]: Weakened 301 states. On average, predicates are now at 78.36% of their original sizes. [2018-11-18 12:56:38,655 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 12:56:39,035 INFO L415 sIntCurrentIteration]: We unified 303 AI predicates to 303 [2018-11-18 12:56:39,035 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 12:56:39,035 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 12:56:39,035 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-18 12:56:39,036 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:56:39,036 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 12:56:39,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 12:56:39,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 12:56:39,036 INFO L87 Difference]: Start difference. First operand 1637 states and 2031 transitions. Second operand 10 states. [2018-11-18 12:56:52,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:56:52,885 INFO L93 Difference]: Finished difference Result 2944 states and 3704 transitions. [2018-11-18 12:56:52,886 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-18 12:56:52,886 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 304 [2018-11-18 12:56:52,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:56:52,890 INFO L225 Difference]: With dead ends: 2944 [2018-11-18 12:56:52,890 INFO L226 Difference]: Without dead ends: 1593 [2018-11-18 12:56:52,893 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 314 GetRequests, 295 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2018-11-18 12:56:52,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1593 states. [2018-11-18 12:56:52,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1593 to 1532. [2018-11-18 12:56:52,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1532 states. [2018-11-18 12:56:52,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1532 states to 1532 states and 1752 transitions. [2018-11-18 12:56:52,925 INFO L78 Accepts]: Start accepts. Automaton has 1532 states and 1752 transitions. Word has length 304 [2018-11-18 12:56:52,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:56:52,926 INFO L480 AbstractCegarLoop]: Abstraction has 1532 states and 1752 transitions. [2018-11-18 12:56:52,926 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 12:56:52,927 INFO L276 IsEmpty]: Start isEmpty. Operand 1532 states and 1752 transitions. [2018-11-18 12:56:52,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2018-11-18 12:56:52,935 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:56:52,935 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:56:52,935 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:56:52,935 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:56:52,935 INFO L82 PathProgramCache]: Analyzing trace with hash 1201621420, now seen corresponding path program 1 times [2018-11-18 12:56:52,936 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:56:52,936 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:56:52,936 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:56:52,936 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:56:52,936 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:56:52,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:56:53,649 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 309 proven. 128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:56:53,650 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:56:53,650 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:56:53,650 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 377 with the following transitions: [2018-11-18 12:56:53,650 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [397], [399], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [526], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [679], [683], [687], [691], [694], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-18 12:56:53,652 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:56:53,652 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:56:53,919 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 12:56:53,919 INFO L272 AbstractInterpreter]: Visited 130 different actions 392 times. Merged at 8 different actions 26 times. Never widened. Performed 4180 root evaluator evaluations with a maximum evaluation depth of 15. Performed 4180 inverse root evaluator evaluations with a maximum inverse evaluation depth of 15. Found 5 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-18 12:56:53,925 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:56:53,925 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 12:56:53,926 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:56:53,926 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e10e0de0-89b0-4938-97db-aded0c5d414e/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:56:53,932 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:56:53,932 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 12:56:53,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:56:54,004 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:57:05,670 WARN L180 SmtUtils]: Spent 11.47 s on a formula simplification. DAG size of input: 90 DAG size of output: 47 [2018-11-18 12:57:05,890 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 379 proven. 2 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-18 12:57:05,890 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 12:57:06,627 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:06,662 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 26 [2018-11-18 12:57:06,838 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:06,873 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:06,909 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:06,958 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:07,027 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:07,078 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:07,119 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:07,192 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:07,231 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:07,283 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:07,349 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:07,417 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:07,460 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:07,510 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:07,552 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:07,589 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:07,625 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:07,663 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:07,721 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:07,759 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:07,797 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:07,884 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:07,933 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:07,984 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:08,022 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:08,059 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:08,096 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:08,164 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:08,399 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:08,498 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:08,535 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:08,573 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:08,613 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:08,651 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:08,697 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:08,736 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:08,790 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:08,840 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:08,879 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:08,919 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:08,959 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:09,003 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:09,067 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:09,120 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:09,200 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:09,408 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:09,453 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:09,500 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:09,543 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:09,579 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:09,619 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:09,656 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:09,692 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:09,737 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:09,774 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:09,811 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:09,848 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:09,896 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:09,935 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:09,973 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:10,022 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:10,106 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:10,155 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:10,202 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:10,249 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:10,299 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:10,346 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:10,579 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:10,668 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:10,714 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:10,762 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:10,810 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:10,859 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:10,906 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:10,954 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:11,005 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:11,051 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:11,099 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:11,154 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:11,212 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:11,264 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:11,320 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:11,368 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:11,414 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:11,463 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:11,508 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:11,571 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:11,618 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:11,666 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:11,716 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:11,767 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:11,815 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:11,860 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:11,974 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:12,018 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:12,062 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:12,102 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:12,144 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:12,188 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:12,231 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:12,273 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:12,313 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:12,355 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:12,699 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:12,839 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:12,874 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:12,910 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:12,944 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 12:57:13,408 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 171 proven. 261 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 12:57:13,424 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 12:57:13,424 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 8, 8] total 28 [2018-11-18 12:57:13,424 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 12:57:13,425 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-11-18 12:57:13,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-11-18 12:57:13,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=655, Unknown=0, NotChecked=0, Total=756 [2018-11-18 12:57:13,426 INFO L87 Difference]: Start difference. First operand 1532 states and 1752 transitions. Second operand 23 states. [2018-11-18 12:57:15,417 WARN L180 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 38 [2018-11-18 12:57:22,022 WARN L180 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 41 [2018-11-18 12:57:33,232 WARN L180 SmtUtils]: Spent 10.96 s on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2018-11-18 12:57:37,437 WARN L180 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 45 [2018-11-18 12:57:48,607 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 41 [2018-11-18 12:57:49,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:57:49,064 INFO L93 Difference]: Finished difference Result 5730 states and 7679 transitions. [2018-11-18 12:57:49,064 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2018-11-18 12:57:49,064 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 376 [2018-11-18 12:57:49,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:57:49,065 INFO L225 Difference]: With dead ends: 5730 [2018-11-18 12:57:49,065 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 12:57:49,077 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 899 GetRequests, 651 SyntacticMatches, 113 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8811 ImplicationChecksByTransitivity, 33.8s TimeCoverageRelationStatistics Valid=2760, Invalid=15872, Unknown=0, NotChecked=0, Total=18632 [2018-11-18 12:57:49,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 12:57:49,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 12:57:49,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 12:57:49,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 12:57:49,078 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 376 [2018-11-18 12:57:49,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:57:49,078 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 12:57:49,079 INFO L481 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-11-18 12:57:49,079 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 12:57:49,079 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 12:57:49,086 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 12:57:49,290 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:57:49,294 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:57:49,295 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:57:49,354 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:57:49,384 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:57:49,387 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:57:49,401 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:57:49,408 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:57:49,443 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:57:49,446 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:57:49,459 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:57:49,506 WARN L180 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 155 [2018-11-18 12:57:49,512 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:57:49,515 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:57:49,592 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:57:49,606 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:57:49,612 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:57:49,629 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:57:49,640 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:57:49,672 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:57:49,692 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:57:49,741 WARN L180 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 150 [2018-11-18 12:57:50,177 WARN L180 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 15 [2018-11-18 12:57:50,383 WARN L180 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 27 [2018-11-18 12:57:50,903 WARN L180 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 43 [2018-11-18 12:57:51,153 WARN L180 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 40 [2018-11-18 12:57:51,389 WARN L180 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 44 [2018-11-18 12:57:51,390 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 12:57:51,391 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a19~0 |old(~a19~0)|) (= |old(~a10~0)| ~a10~0) (= ~a1~0 |old(~a1~0)|)) [2018-11-18 12:57:51,391 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 12:57:51,391 INFO L425 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-11-18 12:57:51,391 INFO L425 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:57:51,391 INFO L425 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:57:51,391 INFO L425 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:57:51,391 INFO L425 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:57:51,391 INFO L425 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:57:51,391 INFO L425 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:57:51,391 INFO L425 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-11-18 12:57:51,391 INFO L425 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-11-18 12:57:51,391 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-18 12:57:51,392 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-18 12:57:51,392 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-18 12:57:51,392 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-18 12:57:51,392 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-18 12:57:51,392 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-18 12:57:51,392 INFO L425 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-11-18 12:57:51,392 INFO L425 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-11-18 12:57:51,392 INFO L425 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-11-18 12:57:51,392 INFO L425 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:57:51,392 INFO L425 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:57:51,392 INFO L425 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:57:51,392 INFO L425 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:57:51,392 INFO L425 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:57:51,392 INFO L425 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-11-18 12:57:51,392 INFO L425 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-11-18 12:57:51,392 INFO L425 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-11-18 12:57:51,393 INFO L425 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-11-18 12:57:51,393 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-18 12:57:51,393 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-18 12:57:51,393 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-18 12:57:51,393 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-18 12:57:51,393 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-18 12:57:51,393 INFO L425 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-11-18 12:57:51,393 INFO L425 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-11-18 12:57:51,393 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 169) no Hoare annotation was computed. [2018-11-18 12:57:51,393 INFO L425 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-11-18 12:57:51,393 INFO L425 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-11-18 12:57:51,393 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-11-18 12:57:51,393 INFO L425 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:57:51,393 INFO L425 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:57:51,393 INFO L425 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:57:51,394 INFO L425 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:57:51,394 INFO L425 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:57:51,394 INFO L425 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-11-18 12:57:51,394 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-18 12:57:51,394 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-18 12:57:51,394 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-18 12:57:51,394 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-18 12:57:51,394 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-18 12:57:51,394 INFO L425 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-11-18 12:57:51,394 INFO L425 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-11-18 12:57:51,394 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-11-18 12:57:51,394 INFO L425 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-11-18 12:57:51,394 INFO L425 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:57:51,394 INFO L425 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:57:51,394 INFO L425 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:57:51,394 INFO L425 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:57:51,395 INFO L425 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:57:51,395 INFO L425 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-11-18 12:57:51,395 INFO L425 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-11-18 12:57:51,395 INFO L425 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-11-18 12:57:51,395 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-18 12:57:51,395 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-18 12:57:51,395 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-18 12:57:51,395 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-18 12:57:51,395 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-18 12:57:51,395 INFO L425 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-11-18 12:57:51,395 INFO L425 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-11-18 12:57:51,395 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-11-18 12:57:51,395 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-11-18 12:57:51,395 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-11-18 12:57:51,395 INFO L425 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:57:51,395 INFO L425 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:57:51,396 INFO L425 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:57:51,396 INFO L425 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:57:51,396 INFO L425 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:57:51,396 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-18 12:57:51,396 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-18 12:57:51,396 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-18 12:57:51,396 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-18 12:57:51,396 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-18 12:57:51,396 INFO L425 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-11-18 12:57:51,396 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-11-18 12:57:51,396 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-11-18 12:57:51,396 INFO L425 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-11-18 12:57:51,396 INFO L425 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:57:51,396 INFO L425 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:57:51,396 INFO L425 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:57:51,396 INFO L425 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:57:51,397 INFO L425 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:57:51,397 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:57:51,397 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:57:51,397 INFO L425 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-11-18 12:57:51,397 INFO L425 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-11-18 12:57:51,397 INFO L425 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-11-18 12:57:51,397 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-11-18 12:57:51,397 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-18 12:57:51,397 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-18 12:57:51,397 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-18 12:57:51,397 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-18 12:57:51,397 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-18 12:57:51,397 INFO L425 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-11-18 12:57:51,397 INFO L425 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-11-18 12:57:51,397 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-11-18 12:57:51,397 INFO L425 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-11-18 12:57:51,398 INFO L425 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:57:51,398 INFO L425 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:57:51,398 INFO L425 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:57:51,398 INFO L425 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:57:51,398 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-11-18 12:57:51,398 INFO L425 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:57:51,398 INFO L425 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:57:51,398 INFO L425 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-11-18 12:57:51,398 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-11-18 12:57:51,398 INFO L425 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-11-18 12:57:51,398 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-18 12:57:51,398 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-18 12:57:51,398 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-18 12:57:51,398 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-18 12:57:51,398 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-18 12:57:51,398 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-18 12:57:51,399 INFO L425 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-11-18 12:57:51,399 INFO L425 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-11-18 12:57:51,399 INFO L425 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-11-18 12:57:51,399 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-11-18 12:57:51,399 INFO L425 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:57:51,399 INFO L425 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:57:51,399 INFO L425 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:57:51,399 INFO L425 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:57:51,399 INFO L425 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:57:51,399 INFO L425 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:57:51,399 INFO L425 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-11-18 12:57:51,399 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-11-18 12:57:51,399 INFO L425 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-11-18 12:57:51,399 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-18 12:57:51,399 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-18 12:57:51,399 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-18 12:57:51,400 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-18 12:57:51,400 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-18 12:57:51,400 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-18 12:57:51,400 INFO L425 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-11-18 12:57:51,400 INFO L425 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-11-18 12:57:51,400 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse6 (= ~a19~0 |old(~a19~0)|)) (.cse7 (= |old(~a10~0)| ~a10~0)) (.cse5 (= ~a1~0 |old(~a1~0)|))) (let ((.cse2 (< 2 |old(~a10~0)|)) (.cse8 (= 6 |old(~a19~0)|)) (.cse9 (< 8 |old(~a19~0)|)) (.cse0 (not (= 14 ~a4~0))) (.cse1 (not (= 0 ~a12~0))) (.cse3 (and .cse6 .cse7 .cse5)) (.cse4 (= 1 |old(~a10~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (and .cse5 .cse6 .cse7) .cse0 .cse1 (not (= 9 |old(~a19~0)|)) (= |calculate_output_#in~input| 0)) (or .cse3 .cse0 .cse1 .cse8 .cse2) (or .cse9 .cse0 .cse1 .cse8 .cse3) (or .cse9 .cse0 .cse1 .cse3 (< 33 |old(~a1~0)|) .cse4)))) [2018-11-18 12:57:51,400 INFO L425 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-11-18 12:57:51,400 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-11-18 12:57:51,400 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-11-18 12:57:51,400 INFO L425 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:57:51,400 INFO L425 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:57:51,400 INFO L425 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:57:51,400 INFO L425 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:57:51,401 INFO L425 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:57:51,401 INFO L425 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:57:51,401 INFO L425 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-11-18 12:57:51,401 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-18 12:57:51,401 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-18 12:57:51,401 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-18 12:57:51,401 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-18 12:57:51,401 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-18 12:57:51,401 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-18 12:57:51,401 INFO L425 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-11-18 12:57:51,401 INFO L425 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-11-18 12:57:51,401 INFO L425 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-11-18 12:57:51,401 INFO L425 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-11-18 12:57:51,401 INFO L425 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-11-18 12:57:51,401 INFO L425 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-11-18 12:57:51,401 INFO L425 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:57:51,401 INFO L425 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:57:51,402 INFO L425 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:57:51,402 INFO L425 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:57:51,402 INFO L425 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:57:51,402 INFO L425 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:57:51,402 INFO L425 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-11-18 12:57:51,402 INFO L425 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-11-18 12:57:51,402 INFO L425 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-11-18 12:57:51,402 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-18 12:57:51,402 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-18 12:57:51,402 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-18 12:57:51,402 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-18 12:57:51,402 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-18 12:57:51,402 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-18 12:57:51,402 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-11-18 12:57:51,402 INFO L425 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-11-18 12:57:51,402 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-11-18 12:57:51,403 INFO L425 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:57:51,403 INFO L425 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:57:51,403 INFO L425 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:57:51,403 INFO L425 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:57:51,403 INFO L425 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:57:51,403 INFO L425 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:57:51,403 INFO L425 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-11-18 12:57:51,403 INFO L425 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-11-18 12:57:51,403 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-11-18 12:57:51,403 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-18 12:57:51,403 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-18 12:57:51,403 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-18 12:57:51,403 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-18 12:57:51,403 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-18 12:57:51,403 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-18 12:57:51,403 INFO L425 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-11-18 12:57:51,404 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-11-18 12:57:51,404 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-11-18 12:57:51,404 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 12:57:51,404 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a10~0 0) (= ~a12~0 0) (= ~a1~0 23) (= ~a4~0 14) (= 9 ~a19~0)) [2018-11-18 12:57:51,404 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 12:57:51,404 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 12:57:51,404 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (and (= ~a1~0 23) (= ~a19~0 |old(~a19~0)|) (= |old(~a10~0)| ~a10~0)) (not (= 14 ~a4~0)) (not (= 0 ~a12~0)) (not (= 9 |old(~a19~0)|)) (not (= 23 |old(~a1~0)|)) (not (= 0 |old(~a10~0)|))) [2018-11-18 12:57:51,404 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2018-11-18 12:57:51,404 INFO L421 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (let ((.cse1 (<= ~a19~0 8)) (.cse2 (not (= ~a10~0 1))) (.cse0 (not (= ~a19~0 6))) (.cse3 (<= ~a10~0 2))) (or (not (= 23 |old(~a1~0)|)) (and .cse0 .cse1) (not (= 0 ~a12~0)) (not (= 0 |old(~a10~0)|)) (and .cse1 (<= ~a1~0 33) .cse2) (not (= 9 |old(~a19~0)|)) (not (= 14 ~a4~0)) (and .cse3 .cse2) (and .cse0 .cse3) (and (not (= main_~input~0 0)) (= 9 ~a19~0)))) [2018-11-18 12:57:51,404 INFO L425 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2018-11-18 12:57:51,404 INFO L425 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-11-18 12:57:51,404 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 582 591) no Hoare annotation was computed. [2018-11-18 12:57:51,405 INFO L421 ceAbstractionStarter]: At program point L582-3(lines 582 591) the Hoare annotation is: (let ((.cse1 (<= ~a19~0 8)) (.cse2 (not (= ~a10~0 1))) (.cse0 (not (= ~a19~0 6))) (.cse3 (<= ~a10~0 2))) (or (not (= 23 |old(~a1~0)|)) (and .cse0 .cse1) (not (= 0 ~a12~0)) (not (= 0 |old(~a10~0)|)) (and .cse1 (<= ~a1~0 33) .cse2) (not (= 9 |old(~a19~0)|)) (not (= 14 ~a4~0)) (= 9 ~a19~0) (and .cse3 .cse2) (and .cse0 .cse3))) [2018-11-18 12:57:51,405 INFO L425 ceAbstractionStarter]: For program point L582-4(lines 576 592) no Hoare annotation was computed. [2018-11-18 12:57:51,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 12:57:51 BoogieIcfgContainer [2018-11-18 12:57:51,419 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 12:57:51,419 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:57:51,419 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:57:51,419 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:57:51,420 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:56:10" (3/4) ... [2018-11-18 12:57:51,423 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 12:57:51,427 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 12:57:51,427 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 12:57:51,428 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 12:57:51,436 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 12:57:51,437 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 12:57:51,459 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(23 == \old(a1)) || (!(a19 == 6) && a19 <= 8)) || !(0 == a12)) || !(0 == \old(a10))) || ((a19 <= 8 && a1 <= 33) && !(a10 == 1))) || !(9 == \old(a19))) || !(14 == a4)) || 9 == a19) || (a10 <= 2 && !(a10 == 1))) || (!(a19 == 6) && a10 <= 2) [2018-11-18 12:57:51,543 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e10e0de0-89b0-4938-97db-aded0c5d414e/bin-2019/utaipan/witness.graphml [2018-11-18 12:57:51,544 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:57:51,545 INFO L168 Benchmark]: Toolchain (without parser) took 103274.57 ms. Allocated memory was 1.0 GB in the beginning and 5.0 GB in the end (delta: 4.0 GB). Free memory was 951.7 MB in the beginning and 4.5 GB in the end (delta: -3.5 GB). Peak memory consumption was 427.2 MB. Max. memory is 11.5 GB. [2018-11-18 12:57:51,545 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:57:51,545 INFO L168 Benchmark]: CACSL2BoogieTranslator took 437.50 ms. Allocated memory is still 1.0 GB. Free memory was 951.7 MB in the beginning and 914.2 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-18 12:57:51,546 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 914.2 MB in the beginning and 1.1 GB in the end (delta: -209.5 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2018-11-18 12:57:51,546 INFO L168 Benchmark]: Boogie Preprocessor took 56.68 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-18 12:57:51,546 INFO L168 Benchmark]: RCFGBuilder took 1628.27 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: 102.9 MB). Peak memory consumption was 102.9 MB. Max. memory is 11.5 GB. [2018-11-18 12:57:51,546 INFO L168 Benchmark]: TraceAbstraction took 100930.58 ms. Allocated memory was 1.2 GB in the beginning and 5.0 GB in the end (delta: 3.8 GB). Free memory was 1.0 GB in the beginning and 4.6 GB in the end (delta: -3.6 GB). Peak memory consumption was 3.7 GB. Max. memory is 11.5 GB. [2018-11-18 12:57:51,549 INFO L168 Benchmark]: Witness Printer took 124.89 ms. Allocated memory is still 5.0 GB. Free memory was 4.6 GB in the beginning and 4.5 GB in the end (delta: 81.1 MB). Peak memory consumption was 81.1 MB. Max. memory is 11.5 GB. [2018-11-18 12:57:51,551 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 437.50 ms. Allocated memory is still 1.0 GB. Free memory was 951.7 MB in the beginning and 914.2 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 92.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 914.2 MB in the beginning and 1.1 GB in the end (delta: -209.5 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 56.68 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1628.27 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: 102.9 MB). Peak memory consumption was 102.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 100930.58 ms. Allocated memory was 1.2 GB in the beginning and 5.0 GB in the end (delta: 3.8 GB). Free memory was 1.0 GB in the beginning and 4.6 GB in the end (delta: -3.6 GB). Peak memory consumption was 3.7 GB. Max. memory is 11.5 GB. * Witness Printer took 124.89 ms. Allocated memory is still 5.0 GB. Free memory was 4.6 GB in the beginning and 4.5 GB in the end (delta: 81.1 MB). Peak memory consumption was 81.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 169]: 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: 582]: Loop Invariant Derived loop invariant: ((((((((!(23 == \old(a1)) || (!(a19 == 6) && a19 <= 8)) || !(0 == a12)) || !(0 == \old(a10))) || ((a19 <= 8 && a1 <= 33) && !(a10 == 1))) || !(9 == \old(a19))) || !(14 == a4)) || 9 == a19) || (a10 <= 2 && !(a10 == 1))) || (!(a19 == 6) && a10 <= 2) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 216 locations, 1 error locations. SAFE Result, 100.8s OverallTime, 8 OverallIterations, 4 TraceHistogramMax, 68.9s AutomataDifference, 0.0s DeadEndRemovalTime, 2.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 735 SDtfs, 16695 SDslu, 1594 SDs, 0 SdLazy, 20792 SolverSat, 5451 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 42.7s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 2643 GetRequests, 2282 SyntacticMatches, 121 SemanticMatches, 240 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9613 ImplicationChecksByTransitivity, 38.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2321occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.3s AbstIntTime, 5 AbstIntIterations, 2 AbstIntStrong, 0.997624411311024 AbsIntWeakeningRatio, 0.0896551724137931 AbsIntAvgWeakeningVarsNumRemoved, 14.555172413793104 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 573 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 155 PreInvPairs, 337 NumberOfFragments, 316 HoareAnnotationTreeSize, 155 FomulaSimplifications, 31841 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 7 FomulaSimplificationsInter, 12156 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 24.4s InterpolantComputationTime, 2809 NumberOfCodeBlocks, 2809 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 3692 ConstructedInterpolants, 126 QuantifiedInterpolants, 8934693 SizeOfPredicates, 2 NumberOfNonLiveVariables, 1459 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 14 InterpolantComputations, 3 PerfectInterpolantSequences, 2426/2966 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...