./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label32_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_eea6cc28-2fb9-424c-80f3-8b6551678846/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_eea6cc28-2fb9-424c-80f3-8b6551678846/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_eea6cc28-2fb9-424c-80f3-8b6551678846/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_eea6cc28-2fb9-424c-80f3-8b6551678846/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label32_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_eea6cc28-2fb9-424c-80f3-8b6551678846/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_eea6cc28-2fb9-424c-80f3-8b6551678846/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3c0664b7713eb65e7600fbc10e17bb0e628a6c66 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 13:18:19,605 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:18:19,606 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:18:19,613 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:18:19,613 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:18:19,614 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:18:19,615 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:18:19,616 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:18:19,616 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:18:19,617 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:18:19,618 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:18:19,618 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:18:19,618 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:18:19,619 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:18:19,620 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:18:19,620 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:18:19,622 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:18:19,623 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:18:19,624 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:18:19,625 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:18:19,625 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:18:19,626 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:18:19,628 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:18:19,628 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:18:19,628 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:18:19,629 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:18:19,630 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:18:19,630 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:18:19,630 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:18:19,631 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:18:19,631 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:18:19,631 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:18:19,631 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:18:19,632 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:18:19,632 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:18:19,632 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:18:19,632 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_eea6cc28-2fb9-424c-80f3-8b6551678846/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 13:18:19,640 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:18:19,641 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:18:19,641 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 13:18:19,641 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 13:18:19,641 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 13:18:19,642 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 13:18:19,642 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 13:18:19,642 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 13:18:19,642 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 13:18:19,642 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 13:18:19,642 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 13:18:19,642 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 13:18:19,643 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 13:18:19,643 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:18:19,643 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:18:19,643 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 13:18:19,643 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:18:19,644 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:18:19,644 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 13:18:19,644 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 13:18:19,644 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 13:18:19,644 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:18:19,644 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:18:19,644 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:18:19,645 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 13:18:19,645 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:18:19,645 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 13:18:19,645 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 13:18:19,645 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 13:18:19,645 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 13:18:19,645 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:18:19,646 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 13:18:19,646 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 13:18:19,646 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 13:18:19,646 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 13:18:19,646 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 13:18:19,646 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 13:18:19,646 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_eea6cc28-2fb9-424c-80f3-8b6551678846/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3c0664b7713eb65e7600fbc10e17bb0e628a6c66 [2018-11-18 13:18:19,672 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:18:19,681 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:18:19,684 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:18:19,685 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:18:19,685 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:18:19,686 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_eea6cc28-2fb9-424c-80f3-8b6551678846/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label32_true-unreach-call_false-termination.c [2018-11-18 13:18:19,729 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_eea6cc28-2fb9-424c-80f3-8b6551678846/bin-2019/utaipan/data/03879f6da/9dff869da6e94a87a87cdad29d2b4ddc/FLAGba5000d61 [2018-11-18 13:18:20,199 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:18:20,200 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_eea6cc28-2fb9-424c-80f3-8b6551678846/sv-benchmarks/c/eca-rers2012/Problem02_label32_true-unreach-call_false-termination.c [2018-11-18 13:18:20,209 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_eea6cc28-2fb9-424c-80f3-8b6551678846/bin-2019/utaipan/data/03879f6da/9dff869da6e94a87a87cdad29d2b4ddc/FLAGba5000d61 [2018-11-18 13:18:20,709 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_eea6cc28-2fb9-424c-80f3-8b6551678846/bin-2019/utaipan/data/03879f6da/9dff869da6e94a87a87cdad29d2b4ddc [2018-11-18 13:18:20,711 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:18:20,712 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 13:18:20,713 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:18:20,713 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:18:20,715 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:18:20,715 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:18:20" (1/1) ... [2018-11-18 13:18:20,717 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@488b2caf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:18:20, skipping insertion in model container [2018-11-18 13:18:20,717 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:18:20" (1/1) ... [2018-11-18 13:18:20,722 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:18:20,755 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:18:20,995 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:18:20,999 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:18:21,063 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:18:21,073 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:18:21,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:18:21 WrapperNode [2018-11-18 13:18:21,074 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:18:21,074 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 13:18:21,074 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 13:18:21,074 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 13:18:21,122 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:18:21" (1/1) ... [2018-11-18 13:18:21,134 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:18:21" (1/1) ... [2018-11-18 13:18:21,140 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 13:18:21,141 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:18:21,141 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:18:21,141 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:18:21,149 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:18:21" (1/1) ... [2018-11-18 13:18:21,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:18:21" (1/1) ... [2018-11-18 13:18:21,152 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:18:21" (1/1) ... [2018-11-18 13:18:21,152 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:18:21" (1/1) ... [2018-11-18 13:18:21,174 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:18:21" (1/1) ... [2018-11-18 13:18:21,182 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:18:21" (1/1) ... [2018-11-18 13:18:21,186 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:18:21" (1/1) ... [2018-11-18 13:18:21,190 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:18:21,191 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:18:21,191 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:18:21,191 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:18:21,192 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:18:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_eea6cc28-2fb9-424c-80f3-8b6551678846/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 13:18:21,229 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 13:18:21,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 13:18:21,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 13:18:21,229 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 13:18:21,230 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 13:18:21,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:18:21,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:18:21,230 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 13:18:21,230 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 13:18:22,176 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:18:22,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:18:22 BoogieIcfgContainer [2018-11-18 13:18:22,177 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:18:22,177 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 13:18:22,178 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 13:18:22,180 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 13:18:22,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 01:18:20" (1/3) ... [2018-11-18 13:18:22,186 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62d02d41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:18:22, skipping insertion in model container [2018-11-18 13:18:22,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:18:21" (2/3) ... [2018-11-18 13:18:22,187 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62d02d41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:18:22, skipping insertion in model container [2018-11-18 13:18:22,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:18:22" (3/3) ... [2018-11-18 13:18:22,189 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label32_true-unreach-call_false-termination.c [2018-11-18 13:18:22,196 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 13:18:22,202 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 13:18:22,215 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 13:18:22,242 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 13:18:22,242 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 13:18:22,242 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 13:18:22,242 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 13:18:22,242 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 13:18:22,243 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 13:18:22,243 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 13:18:22,243 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 13:18:22,256 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-11-18 13:18:22,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-11-18 13:18:22,262 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:18:22,263 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:18:22,264 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:18:22,267 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:18:22,267 INFO L82 PathProgramCache]: Analyzing trace with hash -1069812280, now seen corresponding path program 1 times [2018-11-18 13:18:22,269 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:18:22,303 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:18:22,303 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:18:22,303 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:18:22,304 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:18:22,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:18:22,587 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 13:18:22,589 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:18:22,589 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 13:18:22,589 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:18:22,594 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 13:18:22,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 13:18:22,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:18:22,609 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 3 states. [2018-11-18 13:18:23,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:18:23,166 INFO L93 Difference]: Finished difference Result 626 states and 1068 transitions. [2018-11-18 13:18:23,167 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 13:18:23,168 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 116 [2018-11-18 13:18:23,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:18:23,179 INFO L225 Difference]: With dead ends: 626 [2018-11-18 13:18:23,179 INFO L226 Difference]: Without dead ends: 387 [2018-11-18 13:18:23,182 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:18:23,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2018-11-18 13:18:23,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 383. [2018-11-18 13:18:23,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2018-11-18 13:18:23,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 644 transitions. [2018-11-18 13:18:23,226 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 644 transitions. Word has length 116 [2018-11-18 13:18:23,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:18:23,226 INFO L480 AbstractCegarLoop]: Abstraction has 383 states and 644 transitions. [2018-11-18 13:18:23,227 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 13:18:23,227 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 644 transitions. [2018-11-18 13:18:23,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-18 13:18:23,230 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:18:23,230 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:18:23,230 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:18:23,230 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:18:23,231 INFO L82 PathProgramCache]: Analyzing trace with hash 955548095, now seen corresponding path program 1 times [2018-11-18 13:18:23,231 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:18:23,232 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:18:23,233 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:18:23,233 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:18:23,233 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:18:23,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:18:23,331 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:18:23,331 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:18:23,331 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 13:18:23,331 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:18:23,333 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 13:18:23,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 13:18:23,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 13:18:23,333 INFO L87 Difference]: Start difference. First operand 383 states and 644 transitions. Second operand 6 states. [2018-11-18 13:18:23,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:18:23,946 INFO L93 Difference]: Finished difference Result 1195 states and 2114 transitions. [2018-11-18 13:18:23,948 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 13:18:23,949 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 137 [2018-11-18 13:18:23,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:18:23,952 INFO L225 Difference]: With dead ends: 1195 [2018-11-18 13:18:23,952 INFO L226 Difference]: Without dead ends: 818 [2018-11-18 13:18:23,954 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 13:18:23,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 818 states. [2018-11-18 13:18:23,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 818 to 799. [2018-11-18 13:18:23,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 799 states. [2018-11-18 13:18:23,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 799 states and 1290 transitions. [2018-11-18 13:18:23,984 INFO L78 Accepts]: Start accepts. Automaton has 799 states and 1290 transitions. Word has length 137 [2018-11-18 13:18:23,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:18:23,984 INFO L480 AbstractCegarLoop]: Abstraction has 799 states and 1290 transitions. [2018-11-18 13:18:23,984 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 13:18:23,984 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 1290 transitions. [2018-11-18 13:18:23,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-18 13:18:23,992 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:18:23,992 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:18:23,992 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:18:23,992 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:18:23,993 INFO L82 PathProgramCache]: Analyzing trace with hash -2005464109, now seen corresponding path program 1 times [2018-11-18 13:18:23,993 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:18:23,994 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:18:23,994 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:18:23,994 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:18:23,994 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:18:24,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:18:24,145 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 13:18:24,146 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:18:24,146 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:18:24,146 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 139 with the following transitions: [2018-11-18 13:18:24,148 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [56], [61], [63], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [599], [601], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 13:18:24,174 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:18:24,174 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:18:24,476 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 13:18:24,477 INFO L272 AbstractInterpreter]: Visited 116 different actions 116 times. Never merged. Never widened. Performed 1279 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1279 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 38 variables. [2018-11-18 13:18:24,495 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:18:24,495 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 13:18:24,745 INFO L227 lantSequenceWeakener]: Weakened 130 states. On average, predicates are now at 80.92% of their original sizes. [2018-11-18 13:18:24,745 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 13:18:24,779 INFO L415 sIntCurrentIteration]: We unified 137 AI predicates to 137 [2018-11-18 13:18:24,779 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 13:18:24,780 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 13:18:24,780 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [4] total 8 [2018-11-18 13:18:24,780 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:18:24,781 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 13:18:24,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 13:18:24,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 13:18:24,781 INFO L87 Difference]: Start difference. First operand 799 states and 1290 transitions. Second operand 6 states. [2018-11-18 13:18:27,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:18:27,119 INFO L93 Difference]: Finished difference Result 1742 states and 2813 transitions. [2018-11-18 13:18:27,119 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 13:18:27,120 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 138 [2018-11-18 13:18:27,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:18:27,124 INFO L225 Difference]: With dead ends: 1742 [2018-11-18 13:18:27,124 INFO L226 Difference]: Without dead ends: 949 [2018-11-18 13:18:27,126 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 138 GetRequests, 133 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 13:18:27,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 949 states. [2018-11-18 13:18:27,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 949 to 946. [2018-11-18 13:18:27,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 946 states. [2018-11-18 13:18:27,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946 states to 946 states and 1448 transitions. [2018-11-18 13:18:27,157 INFO L78 Accepts]: Start accepts. Automaton has 946 states and 1448 transitions. Word has length 138 [2018-11-18 13:18:27,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:18:27,157 INFO L480 AbstractCegarLoop]: Abstraction has 946 states and 1448 transitions. [2018-11-18 13:18:27,157 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 13:18:27,157 INFO L276 IsEmpty]: Start isEmpty. Operand 946 states and 1448 transitions. [2018-11-18 13:18:27,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-11-18 13:18:27,161 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:18:27,162 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:18:27,163 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:18:27,163 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:18:27,163 INFO L82 PathProgramCache]: Analyzing trace with hash 227513460, now seen corresponding path program 1 times [2018-11-18 13:18:27,163 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:18:27,164 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:18:27,164 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:18:27,164 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:18:27,164 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:18:27,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:18:27,262 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:18:27,262 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:18:27,262 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:18:27,263 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 149 with the following transitions: [2018-11-18 13:18:27,263 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [56], [61], [63], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [599], [601], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 13:18:27,268 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:18:27,269 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:18:27,578 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 13:18:27,578 INFO L272 AbstractInterpreter]: Visited 120 different actions 234 times. Merged at 5 different actions 5 times. Never widened. Performed 2557 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2557 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-11-18 13:18:27,581 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:18:27,581 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 13:18:27,782 INFO L227 lantSequenceWeakener]: Weakened 143 states. On average, predicates are now at 80.97% of their original sizes. [2018-11-18 13:18:27,782 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 13:18:27,864 INFO L415 sIntCurrentIteration]: We unified 147 AI predicates to 147 [2018-11-18 13:18:27,864 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 13:18:27,864 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 13:18:27,864 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-18 13:18:27,864 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:18:27,865 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 13:18:27,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 13:18:27,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 13:18:27,865 INFO L87 Difference]: Start difference. First operand 946 states and 1448 transitions. Second operand 10 states. [2018-11-18 13:18:31,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:18:31,412 INFO L93 Difference]: Finished difference Result 2185 states and 3368 transitions. [2018-11-18 13:18:31,412 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-18 13:18:31,412 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 148 [2018-11-18 13:18:31,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:18:31,415 INFO L225 Difference]: With dead ends: 2185 [2018-11-18 13:18:31,415 INFO L226 Difference]: Without dead ends: 1245 [2018-11-18 13:18:31,417 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 157 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-18 13:18:31,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1245 states. [2018-11-18 13:18:31,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1245 to 1241. [2018-11-18 13:18:31,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1241 states. [2018-11-18 13:18:31,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1241 states to 1241 states and 1787 transitions. [2018-11-18 13:18:31,439 INFO L78 Accepts]: Start accepts. Automaton has 1241 states and 1787 transitions. Word has length 148 [2018-11-18 13:18:31,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:18:31,439 INFO L480 AbstractCegarLoop]: Abstraction has 1241 states and 1787 transitions. [2018-11-18 13:18:31,439 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 13:18:31,439 INFO L276 IsEmpty]: Start isEmpty. Operand 1241 states and 1787 transitions. [2018-11-18 13:18:31,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-11-18 13:18:31,442 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:18:31,442 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:18:31,442 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:18:31,442 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:18:31,442 INFO L82 PathProgramCache]: Analyzing trace with hash 480198918, now seen corresponding path program 1 times [2018-11-18 13:18:31,443 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:18:31,443 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:18:31,443 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:18:31,443 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:18:31,444 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:18:31,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:18:31,518 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 39 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:18:31,518 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:18:31,518 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:18:31,518 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 152 with the following transitions: [2018-11-18 13:18:31,518 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [45], [50], [52], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [599], [601], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 13:18:31,521 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:18:31,521 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:18:31,616 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 13:18:31,617 INFO L272 AbstractInterpreter]: Visited 120 different actions 234 times. Merged at 5 different actions 5 times. Never widened. Performed 2633 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2633 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-11-18 13:18:31,618 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:18:31,618 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 13:18:31,776 INFO L227 lantSequenceWeakener]: Weakened 146 states. On average, predicates are now at 82.56% of their original sizes. [2018-11-18 13:18:31,776 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 13:18:31,846 INFO L415 sIntCurrentIteration]: We unified 150 AI predicates to 150 [2018-11-18 13:18:31,846 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 13:18:31,847 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 13:18:31,847 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-18 13:18:31,847 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:18:31,847 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 13:18:31,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 13:18:31,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 13:18:31,848 INFO L87 Difference]: Start difference. First operand 1241 states and 1787 transitions. Second operand 10 states. [2018-11-18 13:18:35,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:18:35,012 INFO L93 Difference]: Finished difference Result 3143 states and 4767 transitions. [2018-11-18 13:18:35,012 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-18 13:18:35,013 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 151 [2018-11-18 13:18:35,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:18:35,020 INFO L225 Difference]: With dead ends: 3143 [2018-11-18 13:18:35,020 INFO L226 Difference]: Without dead ends: 1908 [2018-11-18 13:18:35,024 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 160 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-18 13:18:35,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1908 states. [2018-11-18 13:18:35,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1908 to 1898. [2018-11-18 13:18:35,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1898 states. [2018-11-18 13:18:35,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1898 states to 1898 states and 2581 transitions. [2018-11-18 13:18:35,063 INFO L78 Accepts]: Start accepts. Automaton has 1898 states and 2581 transitions. Word has length 151 [2018-11-18 13:18:35,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:18:35,063 INFO L480 AbstractCegarLoop]: Abstraction has 1898 states and 2581 transitions. [2018-11-18 13:18:35,063 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 13:18:35,063 INFO L276 IsEmpty]: Start isEmpty. Operand 1898 states and 2581 transitions. [2018-11-18 13:18:35,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-18 13:18:35,068 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:18:35,068 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:18:35,068 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:18:35,068 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:18:35,068 INFO L82 PathProgramCache]: Analyzing trace with hash -649462196, now seen corresponding path program 1 times [2018-11-18 13:18:35,068 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:18:35,069 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:18:35,069 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:18:35,069 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:18:35,069 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:18:35,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:18:35,143 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 58 proven. 15 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-18 13:18:35,143 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:18:35,143 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:18:35,143 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 171 with the following transitions: [2018-11-18 13:18:35,144 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [45], [50], [52], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [599], [601], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 13:18:35,147 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:18:35,147 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:18:35,475 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 13:18:35,476 INFO L272 AbstractInterpreter]: Visited 122 different actions 484 times. Merged at 8 different actions 29 times. Never widened. Performed 5469 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5469 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 8 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-18 13:18:35,477 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:18:35,478 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 13:18:35,593 INFO L227 lantSequenceWeakener]: Weakened 165 states. On average, predicates are now at 84.43% of their original sizes. [2018-11-18 13:18:35,593 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 13:18:35,647 INFO L415 sIntCurrentIteration]: We unified 169 AI predicates to 169 [2018-11-18 13:18:35,647 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 13:18:35,647 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 13:18:35,647 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 13 [2018-11-18 13:18:35,647 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:18:35,648 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 13:18:35,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 13:18:35,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 13:18:35,648 INFO L87 Difference]: Start difference. First operand 1898 states and 2581 transitions. Second operand 9 states. [2018-11-18 13:18:38,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:18:38,377 INFO L93 Difference]: Finished difference Result 4781 states and 6816 transitions. [2018-11-18 13:18:38,377 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-18 13:18:38,378 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 170 [2018-11-18 13:18:38,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:18:38,385 INFO L225 Difference]: With dead ends: 4781 [2018-11-18 13:18:38,386 INFO L226 Difference]: Without dead ends: 2889 [2018-11-18 13:18:38,390 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 179 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=89, Invalid=253, Unknown=0, NotChecked=0, Total=342 [2018-11-18 13:18:38,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2889 states. [2018-11-18 13:18:38,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2889 to 2832. [2018-11-18 13:18:38,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2832 states. [2018-11-18 13:18:38,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2832 states to 2832 states and 3722 transitions. [2018-11-18 13:18:38,511 INFO L78 Accepts]: Start accepts. Automaton has 2832 states and 3722 transitions. Word has length 170 [2018-11-18 13:18:38,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:18:38,511 INFO L480 AbstractCegarLoop]: Abstraction has 2832 states and 3722 transitions. [2018-11-18 13:18:38,511 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 13:18:38,511 INFO L276 IsEmpty]: Start isEmpty. Operand 2832 states and 3722 transitions. [2018-11-18 13:18:38,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-11-18 13:18:38,516 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:18:38,516 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:18:38,516 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:18:38,517 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:18:38,517 INFO L82 PathProgramCache]: Analyzing trace with hash -1989210908, now seen corresponding path program 1 times [2018-11-18 13:18:38,517 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:18:38,518 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:18:38,518 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:18:38,518 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:18:38,518 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:18:38,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:18:38,596 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 83 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 13:18:38,596 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:18:38,596 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:18:38,596 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 176 with the following transitions: [2018-11-18 13:18:38,597 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [56], [61], [63], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [599], [601], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 13:18:38,599 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:18:38,599 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:18:38,750 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 13:18:38,750 INFO L272 AbstractInterpreter]: Visited 124 different actions 363 times. Merged at 8 different actions 19 times. Never widened. Performed 4302 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4302 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 1 different actions. Largest state had 38 variables. [2018-11-18 13:18:38,761 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:18:38,762 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 13:18:38,762 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:18:38,762 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_eea6cc28-2fb9-424c-80f3-8b6551678846/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 13:18:38,774 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:18:38,774 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 13:18:38,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:18:38,832 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:18:38,896 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 83 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 13:18:38,896 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 13:18:38,973 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 83 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 13:18:38,991 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 13:18:38,991 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-18 13:18:38,991 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 13:18:38,992 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 13:18:38,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 13:18:38,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-11-18 13:18:38,992 INFO L87 Difference]: Start difference. First operand 2832 states and 3722 transitions. Second operand 9 states. [2018-11-18 13:18:40,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:18:40,546 INFO L93 Difference]: Finished difference Result 9913 states and 14051 transitions. [2018-11-18 13:18:40,549 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-18 13:18:40,549 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 175 [2018-11-18 13:18:40,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:18:40,559 INFO L225 Difference]: With dead ends: 9913 [2018-11-18 13:18:40,560 INFO L226 Difference]: Without dead ends: 5218 [2018-11-18 13:18:40,572 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 377 GetRequests, 355 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=136, Invalid=370, Unknown=0, NotChecked=0, Total=506 [2018-11-18 13:18:40,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5218 states. [2018-11-18 13:18:40,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5218 to 5171. [2018-11-18 13:18:40,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5171 states. [2018-11-18 13:18:40,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5171 states to 5171 states and 6263 transitions. [2018-11-18 13:18:40,666 INFO L78 Accepts]: Start accepts. Automaton has 5171 states and 6263 transitions. Word has length 175 [2018-11-18 13:18:40,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:18:40,666 INFO L480 AbstractCegarLoop]: Abstraction has 5171 states and 6263 transitions. [2018-11-18 13:18:40,666 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 13:18:40,666 INFO L276 IsEmpty]: Start isEmpty. Operand 5171 states and 6263 transitions. [2018-11-18 13:18:40,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-11-18 13:18:40,678 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:18:40,679 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:18:40,679 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:18:40,679 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:18:40,679 INFO L82 PathProgramCache]: Analyzing trace with hash 243668093, now seen corresponding path program 1 times [2018-11-18 13:18:40,679 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:18:40,680 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:18:40,680 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:18:40,680 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:18:40,680 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:18:40,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:18:40,773 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 150 proven. 30 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2018-11-18 13:18:40,774 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:18:40,774 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:18:40,774 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 259 with the following transitions: [2018-11-18 13:18:40,774 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [56], [61], [63], [64], [68], [72], [76], [79], [80], [84], [88], [92], [96], [99], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [155], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [599], [601], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 13:18:40,777 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:18:40,777 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:18:41,042 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 13:18:41,043 INFO L272 AbstractInterpreter]: Visited 126 different actions 497 times. Merged at 9 different actions 32 times. Never widened. Performed 5661 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5661 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 9 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-18 13:18:41,044 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:18:41,044 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 13:18:41,250 INFO L227 lantSequenceWeakener]: Weakened 235 states. On average, predicates are now at 86.8% of their original sizes. [2018-11-18 13:18:41,250 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 13:18:41,417 INFO L415 sIntCurrentIteration]: We unified 257 AI predicates to 257 [2018-11-18 13:18:41,417 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 13:18:41,417 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 13:18:41,417 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [6] total 22 [2018-11-18 13:18:41,418 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:18:41,418 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-18 13:18:41,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-18 13:18:41,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2018-11-18 13:18:41,418 INFO L87 Difference]: Start difference. First operand 5171 states and 6263 transitions. Second operand 18 states. [2018-11-18 13:18:46,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:18:46,791 INFO L93 Difference]: Finished difference Result 7934 states and 9654 transitions. [2018-11-18 13:18:46,791 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-11-18 13:18:46,791 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 258 [2018-11-18 13:18:46,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:18:46,791 INFO L225 Difference]: With dead ends: 7934 [2018-11-18 13:18:46,791 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 13:18:46,801 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 275 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=228, Invalid=1032, Unknown=0, NotChecked=0, Total=1260 [2018-11-18 13:18:46,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 13:18:46,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 13:18:46,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 13:18:46,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 13:18:46,802 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 258 [2018-11-18 13:18:46,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:18:46,802 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 13:18:46,802 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-18 13:18:46,802 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 13:18:46,802 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 13:18:46,805 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 13:18:46,880 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:18:46,888 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:18:46,890 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:18:46,896 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:18:46,903 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:18:46,905 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:18:46,910 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:18:47,758 WARN L180 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 82 [2018-11-18 13:18:47,990 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 52 [2018-11-18 13:18:47,992 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 13:18:47,992 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a17~0 |old(~a17~0)|) (= ~a11~0 |old(~a11~0)|) (= |old(~a25~0)| ~a25~0)) [2018-11-18 13:18:47,992 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 13:18:47,992 INFO L425 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:18:47,992 INFO L425 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:18:47,992 INFO L425 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:18:47,992 INFO L425 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:18:47,992 INFO L425 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:18:47,992 INFO L425 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-11-18 13:18:47,992 INFO L425 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-11-18 13:18:47,992 INFO L425 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-18 13:18:47,992 INFO L425 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-18 13:18:47,993 INFO L425 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-11-18 13:18:47,993 INFO L425 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-18 13:18:47,993 INFO L425 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-11-18 13:18:47,993 INFO L425 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-11-18 13:18:47,993 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-11-18 13:18:47,993 INFO L425 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-11-18 13:18:47,993 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-18 13:18:47,993 INFO L425 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-11-18 13:18:47,993 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-11-18 13:18:47,993 INFO L425 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:18:47,993 INFO L425 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:18:47,993 INFO L425 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:18:47,993 INFO L425 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:18:47,993 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-18 13:18:47,993 INFO L425 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:18:47,993 INFO L425 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-11-18 13:18:47,993 INFO L425 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-18 13:18:47,993 INFO L425 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-18 13:18:47,993 INFO L425 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-18 13:18:47,993 INFO L425 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-18 13:18:47,993 INFO L425 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-18 13:18:47,993 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-11-18 13:18:47,994 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-18 13:18:47,994 INFO L425 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-11-18 13:18:47,994 INFO L425 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-11-18 13:18:47,994 INFO L425 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-11-18 13:18:47,994 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-11-18 13:18:47,994 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-11-18 13:18:47,994 INFO L425 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-11-18 13:18:47,994 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-11-18 13:18:47,994 INFO L425 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:18:47,994 INFO L425 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:18:47,994 INFO L425 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:18:47,994 INFO L425 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:18:47,994 INFO L425 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:18:47,994 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-11-18 13:18:47,994 INFO L425 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-11-18 13:18:47,994 INFO L425 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-11-18 13:18:47,994 INFO L425 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-18 13:18:47,994 INFO L425 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-18 13:18:47,994 INFO L425 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-18 13:18:47,995 INFO L425 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-18 13:18:47,995 INFO L425 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-18 13:18:47,995 INFO L425 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-11-18 13:18:47,995 INFO L425 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-11-18 13:18:47,995 INFO L425 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-11-18 13:18:47,995 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 499) no Hoare annotation was computed. [2018-11-18 13:18:47,995 INFO L425 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:18:47,995 INFO L425 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:18:47,995 INFO L425 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:18:47,995 INFO L425 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:18:47,995 INFO L425 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:18:47,995 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-11-18 13:18:47,996 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-11-18 13:18:47,996 INFO L425 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-11-18 13:18:47,996 INFO L425 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-18 13:18:47,996 INFO L425 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-18 13:18:47,996 INFO L425 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-11-18 13:18:47,996 INFO L425 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-18 13:18:47,996 INFO L425 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-11-18 13:18:47,996 INFO L425 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-18 13:18:47,996 INFO L425 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-11-18 13:18:47,996 INFO L425 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-11-18 13:18:47,996 INFO L425 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-11-18 13:18:47,996 INFO L425 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-11-18 13:18:47,996 INFO L425 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:18:47,997 INFO L425 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:18:47,997 INFO L425 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:18:47,997 INFO L425 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:18:47,997 INFO L425 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:18:47,997 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-11-18 13:18:47,997 INFO L425 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-18 13:18:47,997 INFO L425 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-11-18 13:18:47,997 INFO L425 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-11-18 13:18:47,997 INFO L425 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-18 13:18:47,997 INFO L425 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-18 13:18:47,997 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-11-18 13:18:47,997 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-11-18 13:18:47,998 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-11-18 13:18:47,998 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-11-18 13:18:47,998 INFO L425 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-11-18 13:18:47,998 INFO L425 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-11-18 13:18:47,998 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-11-18 13:18:47,998 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-18 13:18:47,998 INFO L425 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-11-18 13:18:47,998 INFO L425 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-11-18 13:18:47,998 INFO L425 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:18:47,998 INFO L425 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:18:47,998 INFO L425 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:18:47,998 INFO L425 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:18:47,998 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-11-18 13:18:47,999 INFO L425 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:18:47,999 INFO L425 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-11-18 13:18:47,999 INFO L425 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:18:47,999 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-18 13:18:47,999 INFO L425 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-11-18 13:18:47,999 INFO L425 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-11-18 13:18:47,999 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:18:47,999 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:18:47,999 INFO L425 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-18 13:18:47,999 INFO L425 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-18 13:18:47,999 INFO L425 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-11-18 13:18:47,999 INFO L425 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-18 13:18:47,999 INFO L425 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-18 13:18:48,000 INFO L425 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-11-18 13:18:48,000 INFO L425 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-11-18 13:18:48,000 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-11-18 13:18:48,000 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-11-18 13:18:48,000 INFO L425 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-11-18 13:18:48,000 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-11-18 13:18:48,000 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:18:48,000 INFO L425 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:18:48,000 INFO L425 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:18:48,000 INFO L425 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:18:48,000 INFO L425 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:18:48,000 INFO L425 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:18:48,000 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-11-18 13:18:48,001 INFO L425 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-18 13:18:48,001 INFO L425 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-18 13:18:48,001 INFO L425 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-18 13:18:48,001 INFO L425 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-18 13:18:48,001 INFO L425 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-18 13:18:48,001 INFO L425 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-18 13:18:48,001 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-11-18 13:18:48,001 INFO L425 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-11-18 13:18:48,001 INFO L425 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-11-18 13:18:48,001 INFO L425 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-11-18 13:18:48,001 INFO L425 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:18:48,001 INFO L425 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:18:48,001 INFO L425 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:18:48,001 INFO L425 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:18:48,001 INFO L425 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:18:48,001 INFO L425 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:18:48,001 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-11-18 13:18:48,001 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-11-18 13:18:48,001 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-11-18 13:18:48,001 INFO L425 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-11-18 13:18:48,001 INFO L425 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-18 13:18:48,001 INFO L425 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-11-18 13:18:48,001 INFO L425 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-11-18 13:18:48,002 INFO L425 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-18 13:18:48,002 INFO L425 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-18 13:18:48,002 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-11-18 13:18:48,002 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-11-18 13:18:48,002 INFO L425 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-11-18 13:18:48,002 INFO L425 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-11-18 13:18:48,002 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-11-18 13:18:48,002 INFO L425 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:18:48,002 INFO L425 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:18:48,002 INFO L425 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:18:48,002 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse10 (= 8 |old(~a28~0)|))) (let ((.cse1 (= 1 |old(~a11~0)|)) (.cse2 (= ~a28~0 8)) (.cse0 (not (= 1 ~a21~0))) (.cse3 (not .cse10))) (let ((.cse6 (not (= 0 |old(~a25~0)|))) (.cse7 (not (= 0 |old(~a11~0)|))) (.cse18 (and (or .cse0 (not (= 7 |old(~a28~0)|))) (or .cse0 .cse3))) (.cse8 (= ~a28~0 7)) (.cse12 (= ~a11~0 |old(~a11~0)|)) (.cse13 (not .cse2)) (.cse11 (<= ~a17~0 |old(~a17~0)|)) (.cse15 (< 7 |old(~a17~0)|)) (.cse16 (= 1 |old(~a25~0)|)) (.cse22 (not (= ~a28~0 0))) (.cse19 (= 1 ~a11~0)) (.cse20 (= ~a17~0 8)) (.cse14 (= |old(~a25~0)| ~a25~0)) (.cse21 (not .cse1)) (.cse9 (not (= 1 |old(~a19~0)|))) (.cse17 (= 0 |old(~a28~0)|)) (.cse4 (not (= 8 |old(~a17~0)|))) (.cse5 (= |calculate_output_#in~input| 0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or (or .cse0 (not (= 10 |old(~a28~0)|))) .cse7 .cse5 (or .cse8 (= ~a28~0 10)) .cse9 .cse4 .cse6) (or .cse10 (and .cse11 .cse12 .cse13 .cse14) .cse15) (or (or .cse0 (not (= 11 |old(~a28~0)|)) (not .cse16)) .cse9 .cse7 .cse4 .cse5 (= ~a28~0 11)) (or .cse0 .cse9 .cse17 .cse10 .cse4 .cse5 .cse13) (or .cse18 (and .cse19 .cse20 .cse14 .cse8) .cse10 .cse4 .cse5 .cse21) (or .cse1 .cse18 (and .cse12 (or .cse2 .cse8) .cse20 .cse14) .cse4 .cse5) (or .cse0 .cse1 .cse17 .cse10 (and .cse12 .cse22 .cse13 .cse20 .cse14) .cse4 .cse5) (or (and .cse11 .cse19 .cse14) .cse21 .cse15 .cse16) (or .cse0 .cse9 .cse17 .cse4 (and .cse22 .cse19 .cse20 .cse14) .cse5 .cse21) (or .cse0 (= ~a19~0 1) .cse9 .cse17 .cse4 .cse5))))) [2018-11-18 13:18:48,002 INFO L425 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:18:48,002 INFO L425 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:18:48,002 INFO L425 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:18:48,002 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-11-18 13:18:48,002 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-11-18 13:18:48,002 INFO L425 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-11-18 13:18:48,002 INFO L425 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-11-18 13:18:48,002 INFO L425 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-18 13:18:48,003 INFO L425 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-18 13:18:48,003 INFO L425 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-11-18 13:18:48,003 INFO L425 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-18 13:18:48,003 INFO L425 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-11-18 13:18:48,003 INFO L425 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-11-18 13:18:48,003 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-11-18 13:18:48,003 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-11-18 13:18:48,003 INFO L425 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-11-18 13:18:48,003 INFO L425 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:18:48,003 INFO L425 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:18:48,003 INFO L425 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:18:48,003 INFO L425 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:18:48,003 INFO L425 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:18:48,003 INFO L425 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:18:48,003 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-11-18 13:18:48,003 INFO L425 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-11-18 13:18:48,003 INFO L425 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-18 13:18:48,003 INFO L425 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-11-18 13:18:48,003 INFO L425 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-11-18 13:18:48,003 INFO L425 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-11-18 13:18:48,003 INFO L425 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-18 13:18:48,003 INFO L425 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-11-18 13:18:48,003 INFO L425 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-11-18 13:18:48,003 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-11-18 13:18:48,004 INFO L425 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-11-18 13:18:48,004 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-11-18 13:18:48,004 INFO L425 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-11-18 13:18:48,004 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-11-18 13:18:48,004 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-11-18 13:18:48,004 INFO L425 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-11-18 13:18:48,004 INFO L425 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:18:48,004 INFO L425 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:18:48,004 INFO L425 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:18:48,004 INFO L425 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:18:48,004 INFO L425 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:18:48,004 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-11-18 13:18:48,004 INFO L425 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-11-18 13:18:48,004 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-11-18 13:18:48,004 INFO L425 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-11-18 13:18:48,004 INFO L425 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-18 13:18:48,004 INFO L425 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-18 13:18:48,004 INFO L425 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-18 13:18:48,004 INFO L425 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-18 13:18:48,004 INFO L425 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-18 13:18:48,004 INFO L425 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-18 13:18:48,004 INFO L425 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-11-18 13:18:48,004 INFO L425 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-11-18 13:18:48,004 INFO L425 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-11-18 13:18:48,005 INFO L425 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-11-18 13:18:48,005 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-11-18 13:18:48,005 INFO L425 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-11-18 13:18:48,005 INFO L425 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-11-18 13:18:48,005 INFO L425 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-11-18 13:18:48,005 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-11-18 13:18:48,005 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 13:18:48,005 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a21~0 1)) [2018-11-18 13:18:48,005 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 13:18:48,005 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 13:18:48,005 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 1 |old(~a19~0)|)) (and (= ~a11~0 |old(~a11~0)|) (= ~a17~0 8) (= |old(~a25~0)| ~a25~0) (= ~a19~0 1) (= ~a28~0 7)) (not (= 0 |old(~a11~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|))) [2018-11-18 13:18:48,005 INFO L425 ceAbstractionStarter]: For program point L606-1(lines 606 616) no Hoare annotation was computed. [2018-11-18 13:18:48,005 INFO L421 ceAbstractionStarter]: At program point L606-3(lines 606 616) the Hoare annotation is: (let ((.cse0 (not (= main_~input~0 0))) (.cse5 (<= ~a17~0 7)) (.cse3 (= ~a28~0 7)) (.cse1 (not (= ~a28~0 0))) (.cse4 (= 1 ~a11~0)) (.cse2 (= ~a17~0 8)) (.cse6 (= ~a19~0 1))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and .cse0 (= ~a11~0 |old(~a11~0)|) .cse1 .cse2) (not (= 0 |old(~a11~0)|)) (and .cse0 .cse3 .cse4 .cse2) (and .cse5 (not (= ~a25~0 1)) .cse4) (and .cse5 (not (= ~a28~0 8))) (and .cse2 .cse6 .cse3 (and (= ~a11~0 0) (= ~a25~0 0))) (not (= 1 |old(~a19~0)|)) (and .cse1 .cse4 .cse2 .cse6) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)))) [2018-11-18 13:18:48,005 INFO L425 ceAbstractionStarter]: For program point L606-4(lines 600 617) no Hoare annotation was computed. [2018-11-18 13:18:48,005 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-11-18 13:18:48,005 INFO L421 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse4 (<= ~a17~0 7)) (.cse0 (not (= main_~input~0 0))) (.cse1 (not (= ~a28~0 0))) (.cse3 (= 1 ~a11~0)) (.cse2 (= ~a17~0 8))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and .cse0 (= ~a11~0 |old(~a11~0)|) .cse1 .cse2) (not (= 0 |old(~a11~0)|)) (and .cse0 (= ~a28~0 7) .cse3 .cse2) (and .cse4 (not (= ~a25~0 1)) .cse3) (and .cse4 (not (= ~a28~0 8))) (not (= 1 |old(~a19~0)|)) (and .cse0 .cse1 .cse3 .cse2 (= ~a19~0 1)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)))) [2018-11-18 13:18:48,005 INFO L425 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-18 13:18:48,006 INFO L425 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-11-18 13:18:48,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 01:18:48 BoogieIcfgContainer [2018-11-18 13:18:48,017 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 13:18:48,018 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 13:18:48,018 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 13:18:48,018 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 13:18:48,018 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:18:22" (3/4) ... [2018-11-18 13:18:48,021 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 13:18:48,025 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 13:18:48,026 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 13:18:48,026 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 13:18:48,035 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 13:18:48,036 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 13:18:48,054 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(1 == a21) || !(7 == \old(a28))) || (((!(input == 0) && a11 == \old(a11)) && !(a28 == 0)) && a17 == 8)) || !(0 == \old(a11))) || (((!(input == 0) && a28 == 7) && 1 == a11) && a17 == 8)) || ((a17 <= 7 && !(a25 == 1)) && 1 == a11)) || (a17 <= 7 && !(a28 == 8))) || (((a17 == 8 && a19 == 1) && a28 == 7) && a11 == 0 && a25 == 0)) || !(1 == \old(a19))) || (((!(a28 == 0) && 1 == a11) && a17 == 8) && a19 == 1)) || !(8 == \old(a17))) || !(0 == \old(a25)) [2018-11-18 13:18:48,124 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_eea6cc28-2fb9-424c-80f3-8b6551678846/bin-2019/utaipan/witness.graphml [2018-11-18 13:18:48,124 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 13:18:48,125 INFO L168 Benchmark]: Toolchain (without parser) took 27413.57 ms. Allocated memory was 1.0 GB in the beginning and 2.8 GB in the end (delta: 1.8 GB). Free memory was 954.4 MB in the beginning and 2.3 GB in the end (delta: -1.4 GB). Peak memory consumption was 372.1 MB. Max. memory is 11.5 GB. [2018-11-18 13:18:48,126 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:18:48,126 INFO L168 Benchmark]: CACSL2BoogieTranslator took 361.49 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 924.9 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-11-18 13:18:48,126 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 924.9 MB in the beginning and 1.1 GB in the end (delta: -213.3 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2018-11-18 13:18:48,127 INFO L168 Benchmark]: Boogie Preprocessor took 49.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 13:18:48,127 INFO L168 Benchmark]: RCFGBuilder took 986.21 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: 95.2 MB). Peak memory consumption was 95.2 MB. Max. memory is 11.5 GB. [2018-11-18 13:18:48,128 INFO L168 Benchmark]: TraceAbstraction took 25839.81 ms. Allocated memory was 1.2 GB in the beginning and 2.8 GB in the end (delta: 1.6 GB). Free memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. [2018-11-18 13:18:48,129 INFO L168 Benchmark]: Witness Printer took 106.94 ms. Allocated memory is still 2.8 GB. Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: 252.6 kB). Peak memory consumption was 252.6 kB. Max. memory is 11.5 GB. [2018-11-18 13:18:48,130 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 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 361.49 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 924.9 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 66.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 924.9 MB in the beginning and 1.1 GB in the end (delta: -213.3 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 49.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 986.21 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: 95.2 MB). Peak memory consumption was 95.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 25839.81 ms. Allocated memory was 1.2 GB in the beginning and 2.8 GB in the end (delta: 1.6 GB). Free memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. * Witness Printer took 106.94 ms. Allocated memory is still 2.8 GB. Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: 252.6 kB). Peak memory consumption was 252.6 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 499]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((((((!(1 == a21) || !(7 == \old(a28))) || (((!(input == 0) && a11 == \old(a11)) && !(a28 == 0)) && a17 == 8)) || !(0 == \old(a11))) || (((!(input == 0) && a28 == 7) && 1 == a11) && a17 == 8)) || ((a17 <= 7 && !(a25 == 1)) && 1 == a11)) || (a17 <= 7 && !(a28 == 8))) || (((a17 == 8 && a19 == 1) && a28 == 7) && a11 == 0 && a25 == 0)) || !(1 == \old(a19))) || (((!(a28 == 0) && 1 == a11) && a17 == 8) && a19 == 1)) || !(8 == \old(a17))) || !(0 == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. SAFE Result, 25.7s OverallTime, 8 OverallIterations, 7 TraceHistogramMax, 19.9s AutomataDifference, 0.0s DeadEndRemovalTime, 1.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 1335 SDtfs, 6920 SDslu, 2152 SDs, 0 SdLazy, 10845 SolverSat, 2159 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.3s Time, PredicateUnifierStatistics: 10 DeclaredPredicates, 1301 GetRequests, 1176 SyntacticMatches, 4 SemanticMatches, 121 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 483 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5171occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.5s AbstIntTime, 6 AbstIntIterations, 5 AbstIntStrong, 0.9963687776541614 AbsIntWeakeningRatio, 0.23255813953488372 AbsIntAvgWeakeningVarsNumRemoved, 25.236046511627908 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 144 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 110 PreInvPairs, 169 NumberOfFragments, 623 HoareAnnotationTreeSize, 110 FomulaSimplifications, 4872 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2334 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1468 NumberOfCodeBlocks, 1468 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1633 ConstructedInterpolants, 0 QuantifiedInterpolants, 472226 SizeOfPredicates, 1 NumberOfNonLiveVariables, 473 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 10 InterpolantComputations, 2 PerfectInterpolantSequences, 794/862 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...