./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label49_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_29116937-f9b5-4106-943b-553ece8d7d08/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_29116937-f9b5-4106-943b-553ece8d7d08/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_29116937-f9b5-4106-943b-553ece8d7d08/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_29116937-f9b5-4106-943b-553ece8d7d08/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label49_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_29116937-f9b5-4106-943b-553ece8d7d08/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_29116937-f9b5-4106-943b-553ece8d7d08/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 308ad44d52107ad8f325837cc646defe060ce6d2 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 03:53:34,727 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 03:53:34,729 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 03:53:34,737 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 03:53:34,737 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 03:53:34,738 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 03:53:34,739 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 03:53:34,741 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 03:53:34,742 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 03:53:34,743 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 03:53:34,743 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 03:53:34,743 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 03:53:34,744 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 03:53:34,745 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 03:53:34,746 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 03:53:34,746 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 03:53:34,747 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 03:53:34,748 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 03:53:34,750 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 03:53:34,751 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 03:53:34,752 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 03:53:34,752 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 03:53:34,754 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 03:53:34,754 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 03:53:34,755 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 03:53:34,755 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 03:53:34,756 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 03:53:34,757 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 03:53:34,757 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 03:53:34,758 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 03:53:34,758 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 03:53:34,759 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 03:53:34,759 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 03:53:34,759 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 03:53:34,760 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 03:53:34,760 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 03:53:34,760 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_29116937-f9b5-4106-943b-553ece8d7d08/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 03:53:34,771 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 03:53:34,771 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 03:53:34,772 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 03:53:34,772 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 03:53:34,772 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 03:53:34,772 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 03:53:34,772 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 03:53:34,772 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 03:53:34,773 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 03:53:34,773 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 03:53:34,773 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 03:53:34,773 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 03:53:34,773 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 03:53:34,774 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 03:53:34,774 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 03:53:34,774 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 03:53:34,774 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 03:53:34,774 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 03:53:34,774 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 03:53:34,774 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 03:53:34,775 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 03:53:34,775 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 03:53:34,775 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 03:53:34,775 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 03:53:34,775 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 03:53:34,775 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 03:53:34,775 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 03:53:34,775 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 03:53:34,776 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 03:53:34,776 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 03:53:34,776 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 03:53:34,776 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 03:53:34,776 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 03:53:34,776 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 03:53:34,776 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 03:53:34,776 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 03:53:34,776 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_29116937-f9b5-4106-943b-553ece8d7d08/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 -> 308ad44d52107ad8f325837cc646defe060ce6d2 [2018-12-02 03:53:34,799 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 03:53:34,808 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 03:53:34,811 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 03:53:34,812 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 03:53:34,812 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 03:53:34,813 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_29116937-f9b5-4106-943b-553ece8d7d08/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem16_label49_true-unreach-call.c [2018-12-02 03:53:34,851 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_29116937-f9b5-4106-943b-553ece8d7d08/bin-2019/utaipan/data/4253a5c05/fa2da691cbed43b29f90bb2cc65830bd/FLAGd6473598b [2018-12-02 03:53:35,279 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 03:53:35,279 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_29116937-f9b5-4106-943b-553ece8d7d08/sv-benchmarks/c/eca-rers2012/Problem16_label49_true-unreach-call.c [2018-12-02 03:53:35,289 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_29116937-f9b5-4106-943b-553ece8d7d08/bin-2019/utaipan/data/4253a5c05/fa2da691cbed43b29f90bb2cc65830bd/FLAGd6473598b [2018-12-02 03:53:35,590 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_29116937-f9b5-4106-943b-553ece8d7d08/bin-2019/utaipan/data/4253a5c05/fa2da691cbed43b29f90bb2cc65830bd [2018-12-02 03:53:35,595 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 03:53:35,597 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 03:53:35,599 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 03:53:35,599 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 03:53:35,605 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 03:53:35,606 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:53:35" (1/1) ... [2018-12-02 03:53:35,611 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b314f5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:53:35, skipping insertion in model container [2018-12-02 03:53:35,611 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:53:35" (1/1) ... [2018-12-02 03:53:35,623 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 03:53:35,720 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 03:53:36,025 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 03:53:36,028 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 03:53:36,214 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 03:53:36,224 INFO L195 MainTranslator]: Completed translation [2018-12-02 03:53:36,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:53:36 WrapperNode [2018-12-02 03:53:36,224 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 03:53:36,225 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 03:53:36,225 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 03:53:36,225 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 03:53:36,230 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:53:36" (1/1) ... [2018-12-02 03:53:36,245 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:53:36" (1/1) ... [2018-12-02 03:53:36,249 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 03:53:36,250 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 03:53:36,250 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 03:53:36,250 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 03:53:36,256 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:53:36" (1/1) ... [2018-12-02 03:53:36,257 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:53:36" (1/1) ... [2018-12-02 03:53:36,261 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:53:36" (1/1) ... [2018-12-02 03:53:36,261 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:53:36" (1/1) ... [2018-12-02 03:53:36,287 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:53:36" (1/1) ... [2018-12-02 03:53:36,296 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:53:36" (1/1) ... [2018-12-02 03:53:36,302 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:53:36" (1/1) ... [2018-12-02 03:53:36,309 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 03:53:36,310 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 03:53:36,310 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 03:53:36,310 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 03:53:36,311 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:53:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_29116937-f9b5-4106-943b-553ece8d7d08/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 03:53:36,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 03:53:36,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 03:53:36,342 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-12-02 03:53:36,342 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-12-02 03:53:36,342 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-02 03:53:36,342 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-02 03:53:36,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 03:53:36,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 03:53:36,343 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 03:53:36,343 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 03:53:37,637 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 03:53:37,637 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-02 03:53:37,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:53:37 BoogieIcfgContainer [2018-12-02 03:53:37,638 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 03:53:37,638 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 03:53:37,638 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 03:53:37,640 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 03:53:37,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:53:35" (1/3) ... [2018-12-02 03:53:37,641 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40434b31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:53:37, skipping insertion in model container [2018-12-02 03:53:37,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:53:36" (2/3) ... [2018-12-02 03:53:37,641 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40434b31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:53:37, skipping insertion in model container [2018-12-02 03:53:37,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:53:37" (3/3) ... [2018-12-02 03:53:37,642 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label49_true-unreach-call.c [2018-12-02 03:53:37,648 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 03:53:37,653 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 03:53:37,663 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 03:53:37,685 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 03:53:37,685 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 03:53:37,685 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 03:53:37,685 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 03:53:37,686 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 03:53:37,686 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 03:53:37,686 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 03:53:37,686 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 03:53:37,703 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states. [2018-12-02 03:53:37,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-02 03:53:37,708 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:53:37,708 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 03:53:37,710 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 03:53:37,713 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:53:37,713 INFO L82 PathProgramCache]: Analyzing trace with hash -971896627, now seen corresponding path program 1 times [2018-12-02 03:53:37,715 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 03:53:37,744 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:53:37,744 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:53:37,744 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:53:37,744 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 03:53:37,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:53:37,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:53:37,892 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 03:53:37,892 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 03:53:37,892 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 03:53:37,896 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 03:53:37,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 03:53:37,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-02 03:53:37,906 INFO L87 Difference]: Start difference. First operand 409 states. Second operand 4 states. [2018-12-02 03:53:40,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:53:40,567 INFO L93 Difference]: Finished difference Result 1509 states and 2834 transitions. [2018-12-02 03:53:40,567 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 03:53:40,568 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 66 [2018-12-02 03:53:40,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:53:40,581 INFO L225 Difference]: With dead ends: 1509 [2018-12-02 03:53:40,581 INFO L226 Difference]: Without dead ends: 1019 [2018-12-02 03:53:40,586 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-02 03:53:40,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1019 states. [2018-12-02 03:53:40,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1019 to 682. [2018-12-02 03:53:40,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 682 states. [2018-12-02 03:53:40,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 1148 transitions. [2018-12-02 03:53:40,638 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 1148 transitions. Word has length 66 [2018-12-02 03:53:40,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:53:40,639 INFO L480 AbstractCegarLoop]: Abstraction has 682 states and 1148 transitions. [2018-12-02 03:53:40,639 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 03:53:40,639 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 1148 transitions. [2018-12-02 03:53:40,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-12-02 03:53:40,642 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:53:40,642 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 03:53:40,642 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 03:53:40,642 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:53:40,642 INFO L82 PathProgramCache]: Analyzing trace with hash -653341620, now seen corresponding path program 1 times [2018-12-02 03:53:40,642 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 03:53:40,643 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:53:40,643 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:53:40,643 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:53:40,643 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 03:53:40,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:53:40,770 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:53:40,770 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 03:53:40,770 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 03:53:40,770 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 03:53:40,771 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 03:53:40,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 03:53:40,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 03:53:40,772 INFO L87 Difference]: Start difference. First operand 682 states and 1148 transitions. Second operand 6 states. [2018-12-02 03:53:42,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:53:42,126 INFO L93 Difference]: Finished difference Result 2068 states and 3519 transitions. [2018-12-02 03:53:42,127 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 03:53:42,127 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 136 [2018-12-02 03:53:42,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:53:42,134 INFO L225 Difference]: With dead ends: 2068 [2018-12-02 03:53:42,134 INFO L226 Difference]: Without dead ends: 1392 [2018-12-02 03:53:42,136 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-02 03:53:42,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1392 states. [2018-12-02 03:53:42,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1392 to 1374. [2018-12-02 03:53:42,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1374 states. [2018-12-02 03:53:42,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1374 states to 1374 states and 2217 transitions. [2018-12-02 03:53:42,180 INFO L78 Accepts]: Start accepts. Automaton has 1374 states and 2217 transitions. Word has length 136 [2018-12-02 03:53:42,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:53:42,180 INFO L480 AbstractCegarLoop]: Abstraction has 1374 states and 2217 transitions. [2018-12-02 03:53:42,180 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 03:53:42,181 INFO L276 IsEmpty]: Start isEmpty. Operand 1374 states and 2217 transitions. [2018-12-02 03:53:42,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-12-02 03:53:42,183 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:53:42,183 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 03:53:42,183 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 03:53:42,183 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:53:42,183 INFO L82 PathProgramCache]: Analyzing trace with hash 1932739549, now seen corresponding path program 1 times [2018-12-02 03:53:42,184 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 03:53:42,184 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:53:42,184 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:53:42,184 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:53:42,185 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 03:53:42,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:53:42,276 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:53:42,276 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 03:53:42,276 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 03:53:42,276 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 03:53:42,277 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 03:53:42,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 03:53:42,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 03:53:42,277 INFO L87 Difference]: Start difference. First operand 1374 states and 2217 transitions. Second operand 5 states. [2018-12-02 03:53:43,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:53:43,547 INFO L93 Difference]: Finished difference Result 3463 states and 5603 transitions. [2018-12-02 03:53:43,547 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 03:53:43,547 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 137 [2018-12-02 03:53:43,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:53:43,554 INFO L225 Difference]: With dead ends: 3463 [2018-12-02 03:53:43,554 INFO L226 Difference]: Without dead ends: 2095 [2018-12-02 03:53:43,557 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-02 03:53:43,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2095 states. [2018-12-02 03:53:43,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2095 to 2079. [2018-12-02 03:53:43,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2079 states. [2018-12-02 03:53:43,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2079 states to 2079 states and 2787 transitions. [2018-12-02 03:53:43,599 INFO L78 Accepts]: Start accepts. Automaton has 2079 states and 2787 transitions. Word has length 137 [2018-12-02 03:53:43,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:53:43,600 INFO L480 AbstractCegarLoop]: Abstraction has 2079 states and 2787 transitions. [2018-12-02 03:53:43,600 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 03:53:43,600 INFO L276 IsEmpty]: Start isEmpty. Operand 2079 states and 2787 transitions. [2018-12-02 03:53:43,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-12-02 03:53:43,603 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:53:43,603 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 03:53:43,604 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 03:53:43,604 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:53:43,604 INFO L82 PathProgramCache]: Analyzing trace with hash 1687278437, now seen corresponding path program 1 times [2018-12-02 03:53:43,604 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 03:53:43,604 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:53:43,604 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:53:43,605 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:53:43,605 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 03:53:43,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:53:43,768 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:53:43,768 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 03:53:43,768 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 03:53:43,768 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 03:53:43,769 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 03:53:43,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 03:53:43,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 03:53:43,770 INFO L87 Difference]: Start difference. First operand 2079 states and 2787 transitions. Second operand 6 states. [2018-12-02 03:53:45,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:53:45,177 INFO L93 Difference]: Finished difference Result 6268 states and 8594 transitions. [2018-12-02 03:53:45,177 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 03:53:45,177 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 229 [2018-12-02 03:53:45,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:53:45,192 INFO L225 Difference]: With dead ends: 6268 [2018-12-02 03:53:45,192 INFO L226 Difference]: Without dead ends: 4195 [2018-12-02 03:53:45,197 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-02 03:53:45,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4195 states. [2018-12-02 03:53:45,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4195 to 4157. [2018-12-02 03:53:45,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4157 states. [2018-12-02 03:53:45,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4157 states to 4157 states and 5579 transitions. [2018-12-02 03:53:45,264 INFO L78 Accepts]: Start accepts. Automaton has 4157 states and 5579 transitions. Word has length 229 [2018-12-02 03:53:45,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:53:45,265 INFO L480 AbstractCegarLoop]: Abstraction has 4157 states and 5579 transitions. [2018-12-02 03:53:45,265 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 03:53:45,265 INFO L276 IsEmpty]: Start isEmpty. Operand 4157 states and 5579 transitions. [2018-12-02 03:53:45,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-12-02 03:53:45,267 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:53:45,267 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 03:53:45,267 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 03:53:45,267 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:53:45,268 INFO L82 PathProgramCache]: Analyzing trace with hash 914969597, now seen corresponding path program 1 times [2018-12-02 03:53:45,268 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 03:53:45,268 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:53:45,268 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:53:45,268 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:53:45,268 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 03:53:45,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:53:45,404 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:53:45,404 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 03:53:45,404 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 03:53:45,404 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 03:53:45,405 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 03:53:45,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 03:53:45,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 03:53:45,405 INFO L87 Difference]: Start difference. First operand 4157 states and 5579 transitions. Second operand 6 states. [2018-12-02 03:53:46,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:53:46,816 INFO L93 Difference]: Finished difference Result 10099 states and 13767 transitions. [2018-12-02 03:53:46,816 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 03:53:46,816 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 249 [2018-12-02 03:53:46,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:53:46,838 INFO L225 Difference]: With dead ends: 10099 [2018-12-02 03:53:46,838 INFO L226 Difference]: Without dead ends: 5948 [2018-12-02 03:53:46,845 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-02 03:53:46,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5948 states. [2018-12-02 03:53:46,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5948 to 5913. [2018-12-02 03:53:46,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5913 states. [2018-12-02 03:53:46,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5913 states to 5913 states and 7738 transitions. [2018-12-02 03:53:46,911 INFO L78 Accepts]: Start accepts. Automaton has 5913 states and 7738 transitions. Word has length 249 [2018-12-02 03:53:46,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:53:46,912 INFO L480 AbstractCegarLoop]: Abstraction has 5913 states and 7738 transitions. [2018-12-02 03:53:46,912 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 03:53:46,912 INFO L276 IsEmpty]: Start isEmpty. Operand 5913 states and 7738 transitions. [2018-12-02 03:53:46,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-12-02 03:53:46,914 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:53:46,914 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-02 03:53:46,914 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 03:53:46,914 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:53:46,914 INFO L82 PathProgramCache]: Analyzing trace with hash -532122808, now seen corresponding path program 1 times [2018-12-02 03:53:46,914 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 03:53:46,915 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:53:46,915 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:53:46,915 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:53:46,915 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 03:53:46,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:53:47,132 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 177 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:53:47,132 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 03:53:47,132 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 03:53:47,133 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 266 with the following transitions: [2018-12-02 03:53:47,134 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [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], [603], [611], [615], [617], [620], [628], [636], [644], [652], [660], [668], [673], [676], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 03:53:47,169 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 03:53:47,169 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 03:53:47,413 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 03:53:47,414 INFO L272 AbstractInterpreter]: Visited 134 different actions 134 times. Never merged. Never widened. Performed 1263 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1263 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 24 variables. [2018-12-02 03:53:47,418 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:53:47,418 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 03:53:47,764 INFO L227 lantSequenceWeakener]: Weakened 256 states. On average, predicates are now at 78.13% of their original sizes. [2018-12-02 03:53:47,764 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 03:53:47,790 INFO L418 sIntCurrentIteration]: We unified 264 AI predicates to 264 [2018-12-02 03:53:47,790 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 03:53:47,790 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 03:53:47,791 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 14 [2018-12-02 03:53:47,791 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 03:53:47,791 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 03:53:47,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 03:53:47,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 03:53:47,792 INFO L87 Difference]: Start difference. First operand 5913 states and 7738 transitions. Second operand 6 states. [2018-12-02 03:54:32,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:54:32,013 INFO L93 Difference]: Finished difference Result 12158 states and 15842 transitions. [2018-12-02 03:54:32,013 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 03:54:32,013 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 265 [2018-12-02 03:54:32,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:54:32,023 INFO L225 Difference]: With dead ends: 12158 [2018-12-02 03:54:32,023 INFO L226 Difference]: Without dead ends: 6251 [2018-12-02 03:54:32,027 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 265 GetRequests, 260 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-02 03:54:32,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6251 states. [2018-12-02 03:54:32,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6251 to 6250. [2018-12-02 03:54:32,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6250 states. [2018-12-02 03:54:32,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6250 states to 6250 states and 8084 transitions. [2018-12-02 03:54:32,097 INFO L78 Accepts]: Start accepts. Automaton has 6250 states and 8084 transitions. Word has length 265 [2018-12-02 03:54:32,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:54:32,097 INFO L480 AbstractCegarLoop]: Abstraction has 6250 states and 8084 transitions. [2018-12-02 03:54:32,097 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 03:54:32,098 INFO L276 IsEmpty]: Start isEmpty. Operand 6250 states and 8084 transitions. [2018-12-02 03:54:32,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-12-02 03:54:32,100 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:54:32,100 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 03:54:32,101 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 03:54:32,101 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:54:32,101 INFO L82 PathProgramCache]: Analyzing trace with hash 1268379517, now seen corresponding path program 1 times [2018-12-02 03:54:32,101 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 03:54:32,101 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:54:32,101 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:54:32,101 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:54:32,102 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 03:54:32,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:54:32,233 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 03:54:32,234 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 03:54:32,234 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 03:54:32,234 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 314 with the following transitions: [2018-12-02 03:54:32,234 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [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], [603], [611], [615], [617], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 03:54:32,240 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 03:54:32,240 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 03:54:32,638 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 03:54:32,638 INFO L272 AbstractInterpreter]: Visited 254 different actions 749 times. Merged at 4 different actions 7 times. Never widened. Performed 8785 root evaluator evaluations with a maximum evaluation depth of 3. Performed 8785 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-02 03:54:32,641 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:54:32,641 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 03:54:32,823 INFO L227 lantSequenceWeakener]: Weakened 310 states. On average, predicates are now at 80.72% of their original sizes. [2018-12-02 03:54:32,823 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 03:54:32,861 INFO L418 sIntCurrentIteration]: We unified 312 AI predicates to 312 [2018-12-02 03:54:32,861 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 03:54:32,861 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 03:54:32,861 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [4] total 11 [2018-12-02 03:54:32,861 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 03:54:32,861 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 03:54:32,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 03:54:32,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-02 03:54:32,862 INFO L87 Difference]: Start difference. First operand 6250 states and 8084 transitions. Second operand 9 states. [2018-12-02 03:55:28,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:55:28,810 INFO L93 Difference]: Finished difference Result 12502 states and 16225 transitions. [2018-12-02 03:55:28,810 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-02 03:55:28,810 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 313 [2018-12-02 03:55:28,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:55:28,823 INFO L225 Difference]: With dead ends: 12502 [2018-12-02 03:55:28,823 INFO L226 Difference]: Without dead ends: 6595 [2018-12-02 03:55:28,829 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 319 GetRequests, 305 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-12-02 03:55:28,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6595 states. [2018-12-02 03:55:28,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6595 to 6591. [2018-12-02 03:55:28,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6591 states. [2018-12-02 03:55:28,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6591 states to 6591 states and 8457 transitions. [2018-12-02 03:55:28,907 INFO L78 Accepts]: Start accepts. Automaton has 6591 states and 8457 transitions. Word has length 313 [2018-12-02 03:55:28,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:55:28,908 INFO L480 AbstractCegarLoop]: Abstraction has 6591 states and 8457 transitions. [2018-12-02 03:55:28,908 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 03:55:28,908 INFO L276 IsEmpty]: Start isEmpty. Operand 6591 states and 8457 transitions. [2018-12-02 03:55:28,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2018-12-02 03:55:28,911 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:55:28,912 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 03:55:28,912 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 03:55:28,912 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:55:28,912 INFO L82 PathProgramCache]: Analyzing trace with hash 8628896, now seen corresponding path program 1 times [2018-12-02 03:55:28,912 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 03:55:28,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:55:28,913 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:55:28,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:55:28,913 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 03:55:28,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:55:29,069 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 247 proven. 116 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-12-02 03:55:29,069 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 03:55:29,069 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 03:55:29,069 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 357 with the following transitions: [2018-12-02 03:55:29,069 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [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], [603], [611], [615], [617], [620], [628], [636], [644], [652], [660], [668], [673], [676], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [760], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 03:55:29,072 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 03:55:29,072 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 03:55:29,187 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 03:55:29,187 INFO L272 AbstractInterpreter]: Visited 138 different actions 401 times. Merged at 4 different actions 7 times. Never widened. Performed 4088 root evaluator evaluations with a maximum evaluation depth of 7. Performed 4088 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-02 03:55:29,188 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:55:29,188 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 03:55:29,345 INFO L227 lantSequenceWeakener]: Weakened 353 states. On average, predicates are now at 80.67% of their original sizes. [2018-12-02 03:55:29,346 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 03:55:29,389 INFO L418 sIntCurrentIteration]: We unified 355 AI predicates to 355 [2018-12-02 03:55:29,389 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 03:55:29,389 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 03:55:29,389 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [7] total 15 [2018-12-02 03:55:29,389 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 03:55:29,389 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 03:55:29,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 03:55:29,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 03:55:29,390 INFO L87 Difference]: Start difference. First operand 6591 states and 8457 transitions. Second operand 10 states. [2018-12-02 03:56:46,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:56:46,367 INFO L93 Difference]: Finished difference Result 14950 states and 19169 transitions. [2018-12-02 03:56:46,367 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-02 03:56:46,367 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 356 [2018-12-02 03:56:46,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:56:46,379 INFO L225 Difference]: With dead ends: 14950 [2018-12-02 03:56:46,379 INFO L226 Difference]: Without dead ends: 8702 [2018-12-02 03:56:46,384 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 365 GetRequests, 347 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-12-02 03:56:46,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8702 states. [2018-12-02 03:56:46,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8702 to 8665. [2018-12-02 03:56:46,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8665 states. [2018-12-02 03:56:46,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8665 states to 8665 states and 10743 transitions. [2018-12-02 03:56:46,458 INFO L78 Accepts]: Start accepts. Automaton has 8665 states and 10743 transitions. Word has length 356 [2018-12-02 03:56:46,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:56:46,458 INFO L480 AbstractCegarLoop]: Abstraction has 8665 states and 10743 transitions. [2018-12-02 03:56:46,459 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 03:56:46,459 INFO L276 IsEmpty]: Start isEmpty. Operand 8665 states and 10743 transitions. [2018-12-02 03:56:46,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2018-12-02 03:56:46,461 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:56:46,461 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 03:56:46,462 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 03:56:46,462 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:56:46,462 INFO L82 PathProgramCache]: Analyzing trace with hash -1176610783, now seen corresponding path program 1 times [2018-12-02 03:56:46,462 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 03:56:46,462 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:56:46,462 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:56:46,462 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:56:46,462 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 03:56:46,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:56:46,646 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-12-02 03:56:46,646 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 03:56:46,646 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 03:56:46,646 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 471 with the following transitions: [2018-12-02 03:56:46,647 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [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], [603], [611], [615], [617], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1024], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 03:56:46,649 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 03:56:46,649 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 03:56:46,900 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 03:56:46,900 INFO L272 AbstractInterpreter]: Visited 255 different actions 757 times. Merged at 6 different actions 12 times. Never widened. Performed 8913 root evaluator evaluations with a maximum evaluation depth of 15. Performed 8913 inverse root evaluator evaluations with a maximum inverse evaluation depth of 15. Found 3 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-02 03:56:46,901 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:56:46,902 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 03:56:47,126 INFO L227 lantSequenceWeakener]: Weakened 467 states. On average, predicates are now at 80.52% of their original sizes. [2018-12-02 03:56:47,126 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 03:56:47,153 INFO L418 sIntCurrentIteration]: We unified 469 AI predicates to 469 [2018-12-02 03:56:47,153 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 03:56:47,153 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 03:56:47,153 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [4] total 11 [2018-12-02 03:56:47,153 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 03:56:47,154 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 03:56:47,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 03:56:47,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-02 03:56:47,154 INFO L87 Difference]: Start difference. First operand 8665 states and 10743 transitions. Second operand 9 states. [2018-12-02 03:57:03,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:57:03,958 INFO L93 Difference]: Finished difference Result 10385 states and 12713 transitions. [2018-12-02 03:57:03,958 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-02 03:57:03,959 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 470 [2018-12-02 03:57:03,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:57:03,975 INFO L225 Difference]: With dead ends: 10385 [2018-12-02 03:57:03,975 INFO L226 Difference]: Without dead ends: 10383 [2018-12-02 03:57:03,977 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 476 GetRequests, 462 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-12-02 03:57:03,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10383 states. [2018-12-02 03:57:04,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10383 to 10367. [2018-12-02 03:57:04,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10367 states. [2018-12-02 03:57:04,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10367 states to 10367 states and 12694 transitions. [2018-12-02 03:57:04,082 INFO L78 Accepts]: Start accepts. Automaton has 10367 states and 12694 transitions. Word has length 470 [2018-12-02 03:57:04,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:57:04,083 INFO L480 AbstractCegarLoop]: Abstraction has 10367 states and 12694 transitions. [2018-12-02 03:57:04,083 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 03:57:04,083 INFO L276 IsEmpty]: Start isEmpty. Operand 10367 states and 12694 transitions. [2018-12-02 03:57:04,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 505 [2018-12-02 03:57:04,086 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:57:04,086 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 03:57:04,086 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 03:57:04,086 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:57:04,086 INFO L82 PathProgramCache]: Analyzing trace with hash -1331841016, now seen corresponding path program 1 times [2018-12-02 03:57:04,086 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 03:57:04,087 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:57:04,087 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:57:04,087 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:57:04,087 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 03:57:04,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:57:04,423 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 309 proven. 137 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:57:04,423 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 03:57:04,423 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 03:57:04,423 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 505 with the following transitions: [2018-12-02 03:57:04,423 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [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], [603], [611], [615], [617], [620], [628], [636], [644], [652], [660], [668], [673], [676], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 03:57:04,425 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 03:57:04,426 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 03:57:04,719 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 03:57:04,719 INFO L272 AbstractInterpreter]: Visited 249 different actions 742 times. Merged at 7 different actions 17 times. Never widened. Performed 8386 root evaluator evaluations with a maximum evaluation depth of 18. Performed 8386 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 4 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-02 03:57:04,720 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:57:04,721 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 03:57:04,721 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 03:57:04,721 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_29116937-f9b5-4106-943b-553ece8d7d08/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 03:57:04,727 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:57:04,728 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 03:57:04,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:57:04,817 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 03:57:04,932 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2018-12-02 03:57:04,932 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 03:57:05,045 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2018-12-02 03:57:05,061 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-02 03:57:05,062 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [13] total 15 [2018-12-02 03:57:05,062 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 03:57:05,062 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 03:57:05,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 03:57:05,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2018-12-02 03:57:05,062 INFO L87 Difference]: Start difference. First operand 10367 states and 12694 transitions. Second operand 3 states. [2018-12-02 03:57:05,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:57:05,931 INFO L93 Difference]: Finished difference Result 23097 states and 28508 transitions. [2018-12-02 03:57:05,931 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 03:57:05,931 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 504 [2018-12-02 03:57:05,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:57:05,950 INFO L225 Difference]: With dead ends: 23097 [2018-12-02 03:57:05,950 INFO L226 Difference]: Without dead ends: 13073 [2018-12-02 03:57:05,960 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1021 GetRequests, 1008 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2018-12-02 03:57:05,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13073 states. [2018-12-02 03:57:06,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13073 to 13073. [2018-12-02 03:57:06,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13073 states. [2018-12-02 03:57:06,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13073 states to 13073 states and 15703 transitions. [2018-12-02 03:57:06,080 INFO L78 Accepts]: Start accepts. Automaton has 13073 states and 15703 transitions. Word has length 504 [2018-12-02 03:57:06,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:57:06,081 INFO L480 AbstractCegarLoop]: Abstraction has 13073 states and 15703 transitions. [2018-12-02 03:57:06,081 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 03:57:06,081 INFO L276 IsEmpty]: Start isEmpty. Operand 13073 states and 15703 transitions. [2018-12-02 03:57:06,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 555 [2018-12-02 03:57:06,085 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:57:06,085 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 03:57:06,085 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 03:57:06,086 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:57:06,086 INFO L82 PathProgramCache]: Analyzing trace with hash -359000807, now seen corresponding path program 1 times [2018-12-02 03:57:06,086 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 03:57:06,086 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:57:06,086 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:57:06,086 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:57:06,087 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 03:57:06,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:57:06,877 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 355 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:57:06,877 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 03:57:06,877 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 03:57:06,877 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 555 with the following transitions: [2018-12-02 03:57:06,878 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [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], [603], [611], [615], [617], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1392], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 03:57:06,879 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 03:57:06,880 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 03:57:07,024 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 03:57:07,025 INFO L272 AbstractInterpreter]: Visited 257 different actions 508 times. Merged at 4 different actions 4 times. Never widened. Performed 5453 root evaluator evaluations with a maximum evaluation depth of 9. Performed 5453 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-02 03:57:07,027 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:57:07,027 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 03:57:07,349 INFO L227 lantSequenceWeakener]: Weakened 551 states. On average, predicates are now at 77.69% of their original sizes. [2018-12-02 03:57:07,349 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 03:57:07,402 INFO L418 sIntCurrentIteration]: We unified 553 AI predicates to 553 [2018-12-02 03:57:07,402 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 03:57:07,402 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 03:57:07,402 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [14] total 22 [2018-12-02 03:57:07,403 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 03:57:07,403 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 03:57:07,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 03:57:07,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 03:57:07,403 INFO L87 Difference]: Start difference. First operand 13073 states and 15703 transitions. Second operand 10 states. [2018-12-02 03:57:26,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:57:26,944 INFO L93 Difference]: Finished difference Result 26144 states and 31441 transitions. [2018-12-02 03:57:26,944 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-02 03:57:26,944 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 554 [2018-12-02 03:57:26,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:57:26,959 INFO L225 Difference]: With dead ends: 26144 [2018-12-02 03:57:26,959 INFO L226 Difference]: Without dead ends: 13414 [2018-12-02 03:57:26,968 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 561 GetRequests, 545 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-12-02 03:57:26,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13414 states. [2018-12-02 03:57:27,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13414 to 13412. [2018-12-02 03:57:27,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13412 states. [2018-12-02 03:57:27,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13412 states to 13412 states and 16061 transitions. [2018-12-02 03:57:27,083 INFO L78 Accepts]: Start accepts. Automaton has 13412 states and 16061 transitions. Word has length 554 [2018-12-02 03:57:27,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:57:27,084 INFO L480 AbstractCegarLoop]: Abstraction has 13412 states and 16061 transitions. [2018-12-02 03:57:27,084 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 03:57:27,084 INFO L276 IsEmpty]: Start isEmpty. Operand 13412 states and 16061 transitions. [2018-12-02 03:57:27,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 646 [2018-12-02 03:57:27,091 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:57:27,092 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-02 03:57:27,092 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 03:57:27,092 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:57:27,092 INFO L82 PathProgramCache]: Analyzing trace with hash 1577593025, now seen corresponding path program 1 times [2018-12-02 03:57:27,093 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 03:57:27,093 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:57:27,093 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:57:27,093 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:57:27,093 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 03:57:27,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:57:27,846 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 270 proven. 239 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-12-02 03:57:27,846 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 03:57:27,846 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 03:57:27,846 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 646 with the following transitions: [2018-12-02 03:57:27,847 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [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], [603], [611], [615], [617], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [760], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1392], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 03:57:27,849 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 03:57:27,849 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 03:57:28,172 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 03:57:28,172 INFO L272 AbstractInterpreter]: Visited 259 different actions 1036 times. Merged at 7 different actions 33 times. Widened at 1 different actions 1 times. Performed 12399 root evaluator evaluations with a maximum evaluation depth of 9. Performed 12399 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 8 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-02 03:57:28,174 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:57:28,174 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 03:57:28,174 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 03:57:28,174 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_29116937-f9b5-4106-943b-553ece8d7d08/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 03:57:28,180 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:57:28,180 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 03:57:28,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:57:28,252 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 03:57:28,414 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 536 proven. 2 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-02 03:57:28,414 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 03:57:28,655 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 270 proven. 239 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-12-02 03:57:28,670 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 03:57:28,670 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 18 [2018-12-02 03:57:28,670 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 03:57:28,671 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-02 03:57:28,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-02 03:57:28,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=240, Unknown=0, NotChecked=0, Total=306 [2018-12-02 03:57:28,671 INFO L87 Difference]: Start difference. First operand 13412 states and 16061 transitions. Second operand 15 states. [2018-12-02 03:57:35,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:57:35,817 INFO L93 Difference]: Finished difference Result 32570 states and 39917 transitions. [2018-12-02 03:57:35,817 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-12-02 03:57:35,818 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 645 [2018-12-02 03:57:35,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:57:35,838 INFO L225 Difference]: With dead ends: 32570 [2018-12-02 03:57:35,838 INFO L226 Difference]: Without dead ends: 17468 [2018-12-02 03:57:35,853 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1362 GetRequests, 1310 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 762 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=629, Invalid=2233, Unknown=0, NotChecked=0, Total=2862 [2018-12-02 03:57:35,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17468 states. [2018-12-02 03:57:35,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17468 to 13687. [2018-12-02 03:57:35,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13687 states. [2018-12-02 03:57:35,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13687 states to 13687 states and 14929 transitions. [2018-12-02 03:57:35,990 INFO L78 Accepts]: Start accepts. Automaton has 13687 states and 14929 transitions. Word has length 645 [2018-12-02 03:57:35,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:57:35,990 INFO L480 AbstractCegarLoop]: Abstraction has 13687 states and 14929 transitions. [2018-12-02 03:57:35,990 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-02 03:57:35,990 INFO L276 IsEmpty]: Start isEmpty. Operand 13687 states and 14929 transitions. [2018-12-02 03:57:35,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 663 [2018-12-02 03:57:35,995 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:57:35,995 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-02 03:57:35,995 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 03:57:35,995 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:57:35,995 INFO L82 PathProgramCache]: Analyzing trace with hash -1967344282, now seen corresponding path program 1 times [2018-12-02 03:57:35,995 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 03:57:35,996 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:57:35,996 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:57:35,996 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:57:35,996 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 03:57:36,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:57:36,198 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2018-12-02 03:57:36,198 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 03:57:36,198 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 03:57:36,198 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 03:57:36,199 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 03:57:36,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 03:57:36,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-02 03:57:36,199 INFO L87 Difference]: Start difference. First operand 13687 states and 14929 transitions. Second operand 4 states. [2018-12-02 03:57:37,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:57:37,173 INFO L93 Difference]: Finished difference Result 29066 states and 32051 transitions. [2018-12-02 03:57:37,174 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 03:57:37,174 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 662 [2018-12-02 03:57:37,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:57:37,196 INFO L225 Difference]: With dead ends: 29066 [2018-12-02 03:57:37,196 INFO L226 Difference]: Without dead ends: 16061 [2018-12-02 03:57:37,208 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-02 03:57:37,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16061 states. [2018-12-02 03:57:37,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16061 to 15046. [2018-12-02 03:57:37,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15046 states. [2018-12-02 03:57:37,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15046 states to 15046 states and 16525 transitions. [2018-12-02 03:57:37,349 INFO L78 Accepts]: Start accepts. Automaton has 15046 states and 16525 transitions. Word has length 662 [2018-12-02 03:57:37,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:57:37,350 INFO L480 AbstractCegarLoop]: Abstraction has 15046 states and 16525 transitions. [2018-12-02 03:57:37,350 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 03:57:37,350 INFO L276 IsEmpty]: Start isEmpty. Operand 15046 states and 16525 transitions. [2018-12-02 03:57:37,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 884 [2018-12-02 03:57:37,358 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:57:37,358 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 03:57:37,358 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 03:57:37,358 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:57:37,358 INFO L82 PathProgramCache]: Analyzing trace with hash -2055921906, now seen corresponding path program 1 times [2018-12-02 03:57:37,359 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 03:57:37,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:57:37,359 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:57:37,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:57:37,359 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 03:57:37,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:57:38,120 INFO L134 CoverageAnalysis]: Checked inductivity of 2000 backedges. 609 proven. 721 refuted. 0 times theorem prover too weak. 670 trivial. 0 not checked. [2018-12-02 03:57:38,120 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 03:57:38,120 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 03:57:38,120 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 884 with the following transitions: [2018-12-02 03:57:38,120 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [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], [603], [611], [615], [617], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [796], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [857], [860], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 03:57:38,122 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 03:57:38,122 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 03:57:38,662 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 03:57:38,662 INFO L272 AbstractInterpreter]: Visited 260 different actions 1296 times. Merged at 10 different actions 39 times. Widened at 1 different actions 1 times. Performed 15811 root evaluator evaluations with a maximum evaluation depth of 18. Performed 15811 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 12 fixpoints after 4 different actions. Largest state had 24 variables. [2018-12-02 03:57:38,664 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:57:38,664 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 03:57:38,664 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 03:57:38,664 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_29116937-f9b5-4106-943b-553ece8d7d08/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 03:57:38,670 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:57:38,670 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 03:57:38,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:57:38,772 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 03:57:38,979 INFO L134 CoverageAnalysis]: Checked inductivity of 2000 backedges. 1445 proven. 2 refuted. 0 times theorem prover too weak. 553 trivial. 0 not checked. [2018-12-02 03:57:38,979 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 03:57:39,266 INFO L134 CoverageAnalysis]: Checked inductivity of 2000 backedges. 712 proven. 223 refuted. 0 times theorem prover too weak. 1065 trivial. 0 not checked. [2018-12-02 03:57:39,281 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 03:57:39,282 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 17 [2018-12-02 03:57:39,282 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 03:57:39,282 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-02 03:57:39,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-02 03:57:39,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2018-12-02 03:57:39,283 INFO L87 Difference]: Start difference. First operand 15046 states and 16525 transitions. Second operand 15 states. [2018-12-02 03:57:43,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:57:43,145 INFO L93 Difference]: Finished difference Result 30839 states and 34009 transitions. [2018-12-02 03:57:43,145 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2018-12-02 03:57:43,146 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 883 [2018-12-02 03:57:43,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:57:43,175 INFO L225 Difference]: With dead ends: 30839 [2018-12-02 03:57:43,176 INFO L226 Difference]: Without dead ends: 16475 [2018-12-02 03:57:43,185 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1854 GetRequests, 1796 SyntacticMatches, 2 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 966 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=661, Invalid=2645, Unknown=0, NotChecked=0, Total=3306 [2018-12-02 03:57:43,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16475 states. [2018-12-02 03:57:43,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16475 to 16078. [2018-12-02 03:57:43,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16078 states. [2018-12-02 03:57:43,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16078 states to 16078 states and 17358 transitions. [2018-12-02 03:57:43,329 INFO L78 Accepts]: Start accepts. Automaton has 16078 states and 17358 transitions. Word has length 883 [2018-12-02 03:57:43,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:57:43,329 INFO L480 AbstractCegarLoop]: Abstraction has 16078 states and 17358 transitions. [2018-12-02 03:57:43,329 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-02 03:57:43,329 INFO L276 IsEmpty]: Start isEmpty. Operand 16078 states and 17358 transitions. [2018-12-02 03:57:43,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1330 [2018-12-02 03:57:43,344 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:57:43,344 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-02 03:57:43,344 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 03:57:43,344 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:57:43,344 INFO L82 PathProgramCache]: Analyzing trace with hash -1733531007, now seen corresponding path program 1 times [2018-12-02 03:57:43,344 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 03:57:43,345 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:57:43,345 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:57:43,345 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:57:43,345 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 03:57:43,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:57:43,966 INFO L134 CoverageAnalysis]: Checked inductivity of 3248 backedges. 866 proven. 228 refuted. 0 times theorem prover too weak. 2154 trivial. 0 not checked. [2018-12-02 03:57:43,966 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 03:57:43,966 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 03:57:43,967 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1330 with the following transitions: [2018-12-02 03:57:43,967 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [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], [603], [611], [615], [617], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1256], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 03:57:43,969 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 03:57:43,969 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 03:57:44,734 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 03:57:44,734 INFO L272 AbstractInterpreter]: Visited 287 different actions 1156 times. Merged at 10 different actions 40 times. Widened at 1 different actions 1 times. Performed 13922 root evaluator evaluations with a maximum evaluation depth of 22. Performed 13922 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 13 fixpoints after 5 different actions. Largest state had 24 variables. [2018-12-02 03:57:44,739 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:57:44,739 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 03:57:44,739 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 03:57:44,739 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_29116937-f9b5-4106-943b-553ece8d7d08/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 03:57:44,785 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:57:44,785 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 03:57:44,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:57:44,916 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 03:57:45,323 INFO L134 CoverageAnalysis]: Checked inductivity of 3248 backedges. 2232 proven. 2 refuted. 0 times theorem prover too weak. 1014 trivial. 0 not checked. [2018-12-02 03:57:45,323 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 03:57:45,891 INFO L134 CoverageAnalysis]: Checked inductivity of 3248 backedges. 866 proven. 228 refuted. 0 times theorem prover too weak. 2154 trivial. 0 not checked. [2018-12-02 03:57:45,906 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 03:57:45,907 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-02 03:57:45,907 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 03:57:45,908 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 03:57:45,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 03:57:45,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-12-02 03:57:45,908 INFO L87 Difference]: Start difference. First operand 16078 states and 17358 transitions. Second operand 9 states. [2018-12-02 03:57:47,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:57:47,422 INFO L93 Difference]: Finished difference Result 31486 states and 34044 transitions. [2018-12-02 03:57:47,422 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-02 03:57:47,422 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1329 [2018-12-02 03:57:47,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:57:47,440 INFO L225 Difference]: With dead ends: 31486 [2018-12-02 03:57:47,440 INFO L226 Difference]: Without dead ends: 16090 [2018-12-02 03:57:47,452 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2675 GetRequests, 2659 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2018-12-02 03:57:47,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16090 states. [2018-12-02 03:57:47,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16090 to 14728. [2018-12-02 03:57:47,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14728 states. [2018-12-02 03:57:47,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14728 states to 14728 states and 15679 transitions. [2018-12-02 03:57:47,586 INFO L78 Accepts]: Start accepts. Automaton has 14728 states and 15679 transitions. Word has length 1329 [2018-12-02 03:57:47,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:57:47,586 INFO L480 AbstractCegarLoop]: Abstraction has 14728 states and 15679 transitions. [2018-12-02 03:57:47,586 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 03:57:47,587 INFO L276 IsEmpty]: Start isEmpty. Operand 14728 states and 15679 transitions. [2018-12-02 03:57:47,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1331 [2018-12-02 03:57:47,601 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:57:47,601 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-02 03:57:47,601 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 03:57:47,602 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:57:47,602 INFO L82 PathProgramCache]: Analyzing trace with hash -908609506, now seen corresponding path program 1 times [2018-12-02 03:57:47,602 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 03:57:47,603 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:57:47,603 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:57:47,603 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:57:47,603 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 03:57:47,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:57:48,552 INFO L134 CoverageAnalysis]: Checked inductivity of 3254 backedges. 1800 proven. 664 refuted. 0 times theorem prover too weak. 790 trivial. 0 not checked. [2018-12-02 03:57:48,552 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 03:57:48,552 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 03:57:48,552 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1331 with the following transitions: [2018-12-02 03:57:48,552 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [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], [603], [611], [615], [617], [620], [628], [636], [644], [652], [660], [668], [673], [676], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1256], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 03:57:48,555 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 03:57:48,555 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 03:57:49,328 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 03:57:49,328 INFO L272 AbstractInterpreter]: Visited 287 different actions 1156 times. Merged at 10 different actions 40 times. Widened at 1 different actions 1 times. Performed 13883 root evaluator evaluations with a maximum evaluation depth of 22. Performed 13883 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 13 fixpoints after 5 different actions. Largest state had 24 variables. [2018-12-02 03:57:49,329 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:57:49,329 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 03:57:49,329 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 03:57:49,329 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_29116937-f9b5-4106-943b-553ece8d7d08/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 03:57:49,336 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:57:49,336 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 03:57:49,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:57:49,468 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 03:57:49,854 INFO L134 CoverageAnalysis]: Checked inductivity of 3254 backedges. 431 proven. 0 refuted. 0 times theorem prover too weak. 2823 trivial. 0 not checked. [2018-12-02 03:57:49,854 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 03:57:50,306 INFO L134 CoverageAnalysis]: Checked inductivity of 3254 backedges. 431 proven. 0 refuted. 0 times theorem prover too weak. 2823 trivial. 0 not checked. [2018-12-02 03:57:50,322 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-02 03:57:50,323 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 9 [2018-12-02 03:57:50,323 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 03:57:50,323 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 03:57:50,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 03:57:50,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-12-02 03:57:50,323 INFO L87 Difference]: Start difference. First operand 14728 states and 15679 transitions. Second operand 3 states. [2018-12-02 03:57:50,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:57:50,898 INFO L93 Difference]: Finished difference Result 29783 states and 31770 transitions. [2018-12-02 03:57:50,899 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 03:57:50,899 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1330 [2018-12-02 03:57:50,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:57:50,900 INFO L225 Difference]: With dead ends: 29783 [2018-12-02 03:57:50,900 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 03:57:50,920 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2674 GetRequests, 2662 SyntacticMatches, 5 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-12-02 03:57:50,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 03:57:50,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 03:57:50,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 03:57:50,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 03:57:50,920 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1330 [2018-12-02 03:57:50,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:57:50,921 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 03:57:50,921 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 03:57:50,921 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 03:57:50,921 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 03:57:50,923 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 03:57:50,947 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 03:57:51,105 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 261 [2018-12-02 03:57:51,137 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 03:57:51,138 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 03:57:51,138 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 03:57:51,166 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 03:57:51,232 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 03:57:51,233 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 03:57:51,336 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 03:57:51,506 WARN L180 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 312 [2018-12-02 03:57:52,024 WARN L180 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 48 [2018-12-02 03:57:52,713 WARN L180 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 88 [2018-12-02 03:57:53,633 WARN L180 SmtUtils]: Spent 914.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 82 [2018-12-02 03:57:54,681 WARN L180 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 334 DAG size of output: 105 [2018-12-02 03:57:55,360 WARN L180 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 48 [2018-12-02 03:57:55,361 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 03:57:55,361 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a16~0)| ~a16~0) (= |old(~a15~0)| ~a15~0) (= |old(~a12~0)| ~a12~0)) [2018-12-02 03:57:55,361 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 03:57:55,361 INFO L448 ceAbstractionStarter]: For program point L1497(lines 1497 1763) no Hoare annotation was computed. [2018-12-02 03:57:55,361 INFO L448 ceAbstractionStarter]: For program point calculate_output2EXIT(lines 1494 1765) no Hoare annotation was computed. [2018-12-02 03:57:55,361 INFO L448 ceAbstractionStarter]: For program point L1687(lines 1687 1763) no Hoare annotation was computed. [2018-12-02 03:57:55,362 INFO L448 ceAbstractionStarter]: For program point L1704(lines 1704 1763) no Hoare annotation was computed. [2018-12-02 03:57:55,362 INFO L448 ceAbstractionStarter]: For program point L1638(lines 1638 1763) no Hoare annotation was computed. [2018-12-02 03:57:55,362 INFO L448 ceAbstractionStarter]: For program point L1663(lines 1663 1763) no Hoare annotation was computed. [2018-12-02 03:57:55,362 INFO L448 ceAbstractionStarter]: For program point L1597(lines 1597 1763) no Hoare annotation was computed. [2018-12-02 03:57:55,362 INFO L448 ceAbstractionStarter]: For program point L1721(lines 1721 1763) no Hoare annotation was computed. [2018-12-02 03:57:55,362 INFO L448 ceAbstractionStarter]: For program point L1622(lines 1622 1763) no Hoare annotation was computed. [2018-12-02 03:57:55,362 INFO L448 ceAbstractionStarter]: For program point L1746(lines 1746 1763) no Hoare annotation was computed. [2018-12-02 03:57:55,362 INFO L448 ceAbstractionStarter]: For program point L1515(lines 1515 1763) no Hoare annotation was computed. [2018-12-02 03:57:55,362 INFO L448 ceAbstractionStarter]: For program point L1573(lines 1573 1763) no Hoare annotation was computed. [2018-12-02 03:57:55,362 INFO L448 ceAbstractionStarter]: For program point L1540(lines 1540 1763) no Hoare annotation was computed. [2018-12-02 03:57:55,362 INFO L448 ceAbstractionStarter]: For program point L1656(lines 1656 1763) no Hoare annotation was computed. [2018-12-02 03:57:55,362 INFO L448 ceAbstractionStarter]: For program point L1739(lines 1739 1763) no Hoare annotation was computed. [2018-12-02 03:57:55,362 INFO L448 ceAbstractionStarter]: For program point L1566(lines 1566 1763) no Hoare annotation was computed. [2018-12-02 03:57:55,362 INFO L448 ceAbstractionStarter]: For program point L1591(lines 1591 1763) no Hoare annotation was computed. [2018-12-02 03:57:55,362 INFO L448 ceAbstractionStarter]: For program point L1715(lines 1715 1763) no Hoare annotation was computed. [2018-12-02 03:57:55,362 INFO L448 ceAbstractionStarter]: For program point L1682(lines 1682 1763) no Hoare annotation was computed. [2018-12-02 03:57:55,362 INFO L448 ceAbstractionStarter]: For program point L1616(lines 1616 1763) no Hoare annotation was computed. [2018-12-02 03:57:55,362 INFO L448 ceAbstractionStarter]: For program point L1699(lines 1699 1763) no Hoare annotation was computed. [2018-12-02 03:57:55,362 INFO L448 ceAbstractionStarter]: For program point L1633(lines 1633 1763) no Hoare annotation was computed. [2018-12-02 03:57:55,362 INFO L448 ceAbstractionStarter]: For program point L1534(lines 1534 1763) no Hoare annotation was computed. [2018-12-02 03:57:55,362 INFO L448 ceAbstractionStarter]: For program point L1757(lines 1757 1763) no Hoare annotation was computed. [2018-12-02 03:57:55,362 INFO L448 ceAbstractionStarter]: For program point L1559(lines 1559 1763) no Hoare annotation was computed. [2018-12-02 03:57:55,362 INFO L448 ceAbstractionStarter]: For program point L1675(lines 1675 1763) no Hoare annotation was computed. [2018-12-02 03:57:55,362 INFO L448 ceAbstractionStarter]: For program point L1609(lines 1609 1763) no Hoare annotation was computed. [2018-12-02 03:57:55,363 INFO L448 ceAbstractionStarter]: For program point L1510(lines 1510 1763) no Hoare annotation was computed. [2018-12-02 03:57:55,363 INFO L448 ceAbstractionStarter]: For program point L1733(lines 1733 1763) no Hoare annotation was computed. [2018-12-02 03:57:55,363 INFO L444 ceAbstractionStarter]: At program point calculate_output2ENTRY(lines 1494 1765) the Hoare annotation is: (let ((.cse18 (= |old(~a16~0)| ~a16~0)) (.cse17 (= 3 |old(~a15~0)|)) (.cse16 (= 5 |old(~a12~0)|)) (.cse20 (= |old(~a15~0)| ~a15~0)) (.cse19 (= |old(~a12~0)| ~a12~0)) (.cse4 (= 12 |old(~a16~0)|))) (let ((.cse1 (not .cse4)) (.cse6 (< 0 (+ |old(~a18~0)| 79))) (.cse7 (<= (+ ~a18~0 79) 0)) (.cse12 (not (= 8 |old(~a12~0)|))) (.cse2 (and .cse20 (= ~a16~0 |old(~a16~0)|) .cse19)) (.cse10 (= 6 |old(~a12~0)|)) (.cse9 (< |old(~a12~0)| 9)) (.cse0 (= 4 |old(~a15~0)|)) (.cse5 (= 10 |old(~a16~0)|)) (.cse8 (< 6 |old(~a12~0)|)) (.cse3 (and .cse17 .cse16 (= 8 |old(~a16~0)|))) (.cse11 (and .cse18 .cse20 .cse19))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse6 .cse7) (or .cse8 .cse3 .cse4 .cse6 .cse7) (or .cse4 .cse9 .cse5 .cse6 .cse2) (or (or .cse10 .cse0 .cse1 .cse6) .cse7) (or .cse4 .cse11 .cse12 .cse5) (or .cse11 (or .cse0 .cse12)) (or .cse3 .cse4 .cse5 .cse2 (< 7 |old(~a12~0)|)) (or .cse9 .cse2 (< 8 |old(~a16~0)|)) (or (= (+ ~a18~0 87) 0) (let ((.cse13 (not .cse17)) (.cse14 (not (= (+ |old(~a18~0)| 87) 0))) (.cse15 (not (= 11 |old(~a16~0)|)))) (and (or .cse13 .cse14 (not .cse10) .cse15) (or .cse13 (not .cse16) .cse14 .cse15)))) (or (and .cse18 (= ~a15~0 |old(~a15~0)|) .cse19) (or .cse9 .cse0) .cse5) (or .cse8 .cse3 .cse4 .cse11)))) [2018-12-02 03:57:55,363 INFO L448 ceAbstractionStarter]: For program point L1527(lines 1527 1763) no Hoare annotation was computed. [2018-12-02 03:57:55,363 INFO L448 ceAbstractionStarter]: For program point L1651(lines 1651 1763) no Hoare annotation was computed. [2018-12-02 03:57:55,363 INFO L448 ceAbstractionStarter]: For program point L1585(lines 1585 1763) no Hoare annotation was computed. [2018-12-02 03:57:55,363 INFO L448 ceAbstractionStarter]: For program point L1709(lines 1709 1763) no Hoare annotation was computed. [2018-12-02 03:57:55,363 INFO L448 ceAbstractionStarter]: For program point L1503(lines 1503 1763) no Hoare annotation was computed. [2018-12-02 03:57:55,363 INFO L448 ceAbstractionStarter]: For program point L1693(lines 1693 1763) no Hoare annotation was computed. [2018-12-02 03:57:55,363 INFO L448 ceAbstractionStarter]: For program point L1553(lines 1553 1763) no Hoare annotation was computed. [2018-12-02 03:57:55,363 INFO L448 ceAbstractionStarter]: For program point calculate_output2FINAL(lines 1494 1765) no Hoare annotation was computed. [2018-12-02 03:57:55,363 INFO L448 ceAbstractionStarter]: For program point L1669(lines 1669 1763) no Hoare annotation was computed. [2018-12-02 03:57:55,363 INFO L448 ceAbstractionStarter]: For program point L1603(lines 1603 1763) no Hoare annotation was computed. [2018-12-02 03:57:55,363 INFO L448 ceAbstractionStarter]: For program point L1727(lines 1727 1763) no Hoare annotation was computed. [2018-12-02 03:57:55,363 INFO L448 ceAbstractionStarter]: For program point L1628(lines 1628 1763) no Hoare annotation was computed. [2018-12-02 03:57:55,363 INFO L448 ceAbstractionStarter]: For program point L1752(lines 1752 1763) no Hoare annotation was computed. [2018-12-02 03:57:55,363 INFO L448 ceAbstractionStarter]: For program point L1521(lines 1521 1763) no Hoare annotation was computed. [2018-12-02 03:57:55,363 INFO L448 ceAbstractionStarter]: For program point L1645(lines 1645 1763) no Hoare annotation was computed. [2018-12-02 03:57:55,363 INFO L448 ceAbstractionStarter]: For program point L1579(lines 1579 1763) no Hoare annotation was computed. [2018-12-02 03:57:55,363 INFO L448 ceAbstractionStarter]: For program point L1546(lines 1546 1763) no Hoare annotation was computed. [2018-12-02 03:57:55,363 INFO L448 ceAbstractionStarter]: For program point L894(lines 894 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,364 INFO L448 ceAbstractionStarter]: For program point L828(lines 828 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,364 INFO L448 ceAbstractionStarter]: For program point L696(lines 696 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,364 INFO L448 ceAbstractionStarter]: For program point L1291(lines 1291 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,364 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 03:57:55,364 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 03:57:55,364 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 03:57:55,364 INFO L448 ceAbstractionStarter]: For program point L961(lines 961 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,364 INFO L448 ceAbstractionStarter]: For program point L763(lines 763 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,364 INFO L448 ceAbstractionStarter]: For program point L631(lines 631 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,364 INFO L448 ceAbstractionStarter]: For program point L367(lines 367 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,364 INFO L448 ceAbstractionStarter]: For program point L1358(lines 1358 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,364 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,364 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-12-02 03:57:55,364 INFO L448 ceAbstractionStarter]: For program point L1160(lines 1160 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,364 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-12-02 03:57:55,364 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-12-02 03:57:55,364 INFO L444 ceAbstractionStarter]: At program point L1491(line 1491) the Hoare annotation is: (let ((.cse13 (= |old(~a16~0)| ~a16~0)) (.cse20 (= |old(~a15~0)| ~a15~0)) (.cse21 (= ~a16~0 |old(~a16~0)|)) (.cse14 (= |old(~a12~0)| ~a12~0)) (.cse19 (+ ~a18~0 79))) (let ((.cse1 (< 8 |old(~a16~0)|)) (.cse7 (= (+ ~a18~0 87) 0)) (.cse6 (not (= (+ |old(~a18~0)| 87) 0))) (.cse8 (not (= ~a15~0 3))) (.cse18 (not (= 7 |old(~a12~0)|))) (.cse17 (= 6 |old(~a12~0)|)) (.cse12 (<= .cse19 0)) (.cse3 (not (= 5 |old(~a12~0)|))) (.cse0 (and .cse20 .cse21 .cse14)) (.cse9 (< 6 |old(~a12~0)|)) (.cse22 (not (= calculate_output_~input 0))) (.cse2 (not (= 3 |old(~a15~0)|))) (.cse4 (not (= 11 |old(~a16~0)|))) (.cse11 (< 0 (+ |old(~a18~0)| 79))) (.cse5 (= |calculate_output_#in~input| 0)) (.cse16 (= 4 |old(~a15~0)|)) (.cse10 (= 12 |old(~a16~0)|)) (.cse23 (not (= 8 |old(~a12~0)|))) (.cse15 (= 10 |old(~a16~0)|)) (.cse24 (and .cse13 .cse20 .cse14))) (and (or .cse0 .cse1) (or (or .cse2 .cse3 .cse4 .cse5 .cse6) .cse7) (or (or (not (= 5 ~a12~0)) (not (= 8 ~a16~0)) .cse8) .cse1) (or .cse9 .cse10 .cse11 .cse12) (or (and .cse13 (= ~a15~0 |old(~a15~0)|) .cse14) .cse15 .cse16) (or .cse9 .cse10 .cse0) (or .cse7 .cse5 (or .cse2 (not .cse17) .cse4) .cse6) (or .cse10 (and (or (not (= 11 ~a16~0)) (not (= calculate_output_~input 3)) .cse18 .cse8 (< 0 .cse19)) .cse20 .cse21 .cse14) .cse15 (< 7 |old(~a12~0)|)) (or .cse22 .cse18 (or .cse2 .cse5) .cse4) (or .cse10 .cse15 .cse12 .cse11) (or (or .cse17 .cse16 (not .cse10) .cse11) .cse12) (or .cse22 (or .cse2 .cse3 (= 0 |old(~a16~0)|) .cse5)) (or .cse10 .cse15 .cse11 .cse0) (or .cse9 .cse22 (or .cse2 (= 0 |old(~a12~0)|) .cse4 .cse11 .cse5)) (or (or .cse16 .cse23) .cse24) (or .cse10 .cse23 .cse15 .cse24)))) [2018-12-02 03:57:55,364 INFO L448 ceAbstractionStarter]: For program point L434(lines 434 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,364 INFO L448 ceAbstractionStarter]: For program point L1491-1(line 1491) no Hoare annotation was computed. [2018-12-02 03:57:55,364 INFO L448 ceAbstractionStarter]: For program point L1227(lines 1227 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,364 INFO L448 ceAbstractionStarter]: For program point L567(lines 567 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,364 INFO L448 ceAbstractionStarter]: For program point L501(lines 501 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,365 INFO L448 ceAbstractionStarter]: For program point L303(lines 303 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,365 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 03:57:55,365 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 03:57:55,365 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 03:57:55,365 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-12-02 03:57:55,365 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-12-02 03:57:55,365 INFO L448 ceAbstractionStarter]: For program point L1097(lines 1097 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,365 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-12-02 03:57:55,365 INFO L448 ceAbstractionStarter]: For program point L1031(lines 1031 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,365 INFO L448 ceAbstractionStarter]: For program point L899(lines 899 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,365 INFO L448 ceAbstractionStarter]: For program point L1428(lines 1428 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,365 INFO L448 ceAbstractionStarter]: For program point L834(lines 834 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,365 INFO L448 ceAbstractionStarter]: For program point L636(lines 636 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,365 INFO L448 ceAbstractionStarter]: For program point L1297(lines 1297 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,365 INFO L448 ceAbstractionStarter]: For program point L240(lines 240 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,365 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 03:57:55,365 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 03:57:55,365 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 03:57:55,365 INFO L448 ceAbstractionStarter]: For program point L967(lines 967 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,365 INFO L448 ceAbstractionStarter]: For program point L769(lines 769 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,365 INFO L448 ceAbstractionStarter]: For program point L703(lines 703 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,365 INFO L448 ceAbstractionStarter]: For program point L373(lines 373 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,365 INFO L448 ceAbstractionStarter]: For program point L1364(lines 1364 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,365 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-12-02 03:57:55,365 INFO L448 ceAbstractionStarter]: For program point L1166(lines 1166 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,365 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-12-02 03:57:55,366 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-12-02 03:57:55,366 INFO L448 ceAbstractionStarter]: For program point L440(lines 440 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,366 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,366 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,366 INFO L448 ceAbstractionStarter]: For program point L1234(lines 1234 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,366 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 03:57:55,366 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 03:57:55,366 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 03:57:55,366 INFO L448 ceAbstractionStarter]: For program point L1036(lines 1036 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,366 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,366 INFO L448 ceAbstractionStarter]: For program point L508(lines 508 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,366 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-12-02 03:57:55,366 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-12-02 03:57:55,366 INFO L448 ceAbstractionStarter]: For program point L1103(lines 1103 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,366 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-12-02 03:57:55,366 INFO L448 ceAbstractionStarter]: For program point L905(lines 905 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,366 INFO L448 ceAbstractionStarter]: For program point L641(lines 641 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,366 INFO L448 ceAbstractionStarter]: For program point L443(lines 443 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,366 INFO L448 ceAbstractionStarter]: For program point L1434(lines 1434 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,366 INFO L448 ceAbstractionStarter]: For program point L840(lines 840 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,366 INFO L448 ceAbstractionStarter]: For program point L1303(lines 1303 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,366 INFO L448 ceAbstractionStarter]: For program point L246(lines 246 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,366 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 03:57:55,366 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 03:57:55,366 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 03:57:55,367 INFO L448 ceAbstractionStarter]: For program point L775(lines 775 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,367 INFO L448 ceAbstractionStarter]: For program point L1370(lines 1370 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,367 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-12-02 03:57:55,367 INFO L448 ceAbstractionStarter]: For program point L1172(lines 1172 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,367 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-12-02 03:57:55,367 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-12-02 03:57:55,367 INFO L448 ceAbstractionStarter]: For program point L974(lines 974 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,367 INFO L448 ceAbstractionStarter]: For program point L578(lines 578 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,367 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,367 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,367 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 03:57:55,367 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 03:57:55,367 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 03:57:55,367 INFO L448 ceAbstractionStarter]: For program point L1042(lines 1042 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,367 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 23 1492) no Hoare annotation was computed. [2018-12-02 03:57:55,367 INFO L448 ceAbstractionStarter]: For program point L778(lines 778 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,367 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,367 INFO L448 ceAbstractionStarter]: For program point L1241(lines 1241 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,367 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-12-02 03:57:55,367 INFO L448 ceAbstractionStarter]: For program point L1175(lines 1175 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,367 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-12-02 03:57:55,367 INFO L448 ceAbstractionStarter]: For program point L1109(lines 1109 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,367 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-12-02 03:57:55,367 INFO L448 ceAbstractionStarter]: For program point L515(lines 515 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,367 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,367 INFO L448 ceAbstractionStarter]: For program point L1440(lines 1440 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,368 INFO L448 ceAbstractionStarter]: For program point L912(lines 912 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,368 INFO L448 ceAbstractionStarter]: For program point L846(lines 846 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,368 INFO L448 ceAbstractionStarter]: For program point L648(lines 648 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,368 INFO L448 ceAbstractionStarter]: For program point L1375(lines 1375 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,368 INFO L448 ceAbstractionStarter]: For program point L1309(lines 1309 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,368 INFO L448 ceAbstractionStarter]: For program point L252(lines 252 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,368 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 03:57:55,368 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 03:57:55,368 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 03:57:55,368 INFO L448 ceAbstractionStarter]: For program point L979(lines 979 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,368 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-12-02 03:57:55,368 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-12-02 03:57:55,368 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-12-02 03:57:55,368 INFO L448 ceAbstractionStarter]: For program point L584(lines 584 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,368 INFO L448 ceAbstractionStarter]: For program point L386(lines 386 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,368 INFO L448 ceAbstractionStarter]: For program point L717(lines 717 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,368 INFO L448 ceAbstractionStarter]: For program point L321(lines 321 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,368 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 03:57:55,368 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 03:57:55,368 INFO L448 ceAbstractionStarter]: For program point L1114(lines 1114 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,368 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 03:57:55,368 INFO L448 ceAbstractionStarter]: For program point L1048(lines 1048 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,368 INFO L448 ceAbstractionStarter]: For program point L784(lines 784 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,368 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,368 INFO L448 ceAbstractionStarter]: For program point L1247(lines 1247 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,368 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-12-02 03:57:55,368 INFO L448 ceAbstractionStarter]: For program point L1181(lines 1181 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,369 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-12-02 03:57:55,369 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-12-02 03:57:55,369 INFO L448 ceAbstractionStarter]: For program point L917(lines 917 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,369 INFO L448 ceAbstractionStarter]: For program point L851(lines 851 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,369 INFO L448 ceAbstractionStarter]: For program point L521(lines 521 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,369 INFO L448 ceAbstractionStarter]: For program point L1446(lines 1446 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,369 INFO L448 ceAbstractionStarter]: For program point L1314(lines 1314 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,369 INFO L448 ceAbstractionStarter]: For program point L257(lines 257 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,369 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 23 1492) the Hoare annotation is: (let ((.cse15 (+ |old(~a18~0)| 79)) (.cse16 (+ ~a18~0 79))) (let ((.cse1 (= (+ ~a18~0 87) 0)) (.cse5 (not (= 11 |old(~a16~0)|))) (.cse6 (not (= (+ |old(~a18~0)| 87) 0))) (.cse4 (= 6 |old(~a12~0)|)) (.cse12 (= 4 |old(~a15~0)|)) (.cse13 (not (= 8 |old(~a12~0)|))) (.cse10 (= 10 |old(~a16~0)|)) (.cse0 (and (= |old(~a16~0)| ~a16~0) (= |old(~a15~0)| ~a15~0) (= |old(~a12~0)| ~a12~0))) (.cse14 (< 6 |old(~a12~0)|)) (.cse8 (= 12 |old(~a16~0)|)) (.cse9 (<= .cse16 0)) (.cse11 (< 0 .cse15)) (.cse3 (not (= 3 |old(~a15~0)|))) (.cse7 (not (= 5 |old(~a12~0)|))) (.cse2 (= |calculate_output_#in~input| 0))) (and (or (< 8 |old(~a16~0)|) .cse0) (or .cse1 .cse2 (or .cse3 (not .cse4) .cse5) .cse6) (or .cse1 (or .cse3 .cse7 .cse5 .cse2 .cse6)) (or .cse8 .cse9 .cse10 .cse11) (or (or .cse4 .cse12 (not .cse8) .cse11) .cse9) (or .cse8 .cse0 .cse13 .cse10) (or .cse0 .cse10 .cse12) (or .cse8 .cse10 .cse0 (< 7 |old(~a12~0)|)) (or .cse14 .cse8 .cse0) (or (or .cse12 .cse13) .cse0) (or .cse8 .cse10 .cse11 .cse0) (or .cse14 .cse8 .cse9 .cse11) (or (or (not (= 8 |old(~a16~0)|)) .cse3 .cse7) (and (<= .cse15 0) (< 0 (+ |old(~a18~0)| 156))) .cse2 (or (<= (+ ~a18~0 156) 0) (< 0 .cse16)))))) [2018-12-02 03:57:55,369 INFO L448 ceAbstractionStarter]: For program point L1381(lines 1381 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,369 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 03:57:55,369 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 03:57:55,369 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 03:57:55,369 INFO L448 ceAbstractionStarter]: For program point L655(lines 655 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,369 INFO L448 ceAbstractionStarter]: For program point L589(lines 589 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,369 INFO L448 ceAbstractionStarter]: For program point L457(lines 457 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,369 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,369 INFO L448 ceAbstractionStarter]: For program point L1250(lines 1250 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,369 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-12-02 03:57:55,369 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-12-02 03:57:55,369 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-12-02 03:57:55,369 INFO L448 ceAbstractionStarter]: For program point L986(lines 986 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,369 INFO L448 ceAbstractionStarter]: For program point L1449(lines 1449 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,370 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,370 INFO L448 ceAbstractionStarter]: For program point L723(lines 723 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,370 INFO L448 ceAbstractionStarter]: For program point L327(lines 327 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,370 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 03:57:55,370 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 03:57:55,370 INFO L448 ceAbstractionStarter]: For program point L1120(lines 1120 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,370 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 03:57:55,370 INFO L448 ceAbstractionStarter]: For program point L922(lines 922 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,370 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,370 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-12-02 03:57:55,370 INFO L448 ceAbstractionStarter]: For program point L1187(lines 1187 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,370 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-02 03:57:55,370 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-12-02 03:57:55,370 INFO L448 ceAbstractionStarter]: For program point L1055(lines 1055 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,370 INFO L448 ceAbstractionStarter]: For program point L857(lines 857 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,370 INFO L448 ceAbstractionStarter]: For program point L527(lines 527 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,370 INFO L448 ceAbstractionStarter]: For program point L1386(lines 1386 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,370 INFO L448 ceAbstractionStarter]: For program point L594(lines 594 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,370 INFO L448 ceAbstractionStarter]: For program point L1321(lines 1321 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,370 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 03:57:55,370 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 03:57:55,370 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 03:57:55,370 INFO L448 ceAbstractionStarter]: For program point L661(lines 661 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,370 INFO L448 ceAbstractionStarter]: For program point L463(lines 463 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,370 INFO L448 ceAbstractionStarter]: For program point L1256(lines 1256 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,370 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-12-02 03:57:55,370 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-12-02 03:57:55,371 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-12-02 03:57:55,371 INFO L448 ceAbstractionStarter]: For program point L728(lines 728 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,371 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 187) no Hoare annotation was computed. [2018-12-02 03:57:55,371 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,371 INFO L448 ceAbstractionStarter]: For program point L1125(lines 1125 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,371 INFO L448 ceAbstractionStarter]: For program point L993(lines 993 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,371 INFO L448 ceAbstractionStarter]: For program point L1456(lines 1456 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,371 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,371 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 03:57:55,371 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 03:57:55,371 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 03:57:55,371 INFO L448 ceAbstractionStarter]: For program point L796(lines 796 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,371 INFO L448 ceAbstractionStarter]: For program point L664(lines 664 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,371 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,371 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-12-02 03:57:55,371 INFO L448 ceAbstractionStarter]: For program point L1193(lines 1193 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,371 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-12-02 03:57:55,371 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-12-02 03:57:55,371 INFO L448 ceAbstractionStarter]: For program point L1061(lines 1061 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,371 INFO L448 ceAbstractionStarter]: For program point L929(lines 929 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,371 INFO L448 ceAbstractionStarter]: For program point L863(lines 863 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,371 INFO L448 ceAbstractionStarter]: For program point L533(lines 533 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,371 INFO L448 ceAbstractionStarter]: For program point L1392(lines 1392 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,371 INFO L448 ceAbstractionStarter]: For program point L600(lines 600 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,372 INFO L448 ceAbstractionStarter]: For program point L1327(lines 1327 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,372 INFO L448 ceAbstractionStarter]: For program point L204-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 03:57:55,372 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 03:57:55,372 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 03:57:55,372 INFO L448 ceAbstractionStarter]: For program point L469(lines 469 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,372 INFO L448 ceAbstractionStarter]: For program point L1262(lines 1262 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,372 INFO L448 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2018-12-02 03:57:55,372 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-02 03:57:55,372 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-12-02 03:57:55,372 INFO L448 ceAbstractionStarter]: For program point L734(lines 734 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,372 INFO L448 ceAbstractionStarter]: For program point L1461(lines 1461 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,372 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,372 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,372 INFO L448 ceAbstractionStarter]: For program point L1131(lines 1131 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,372 INFO L448 ceAbstractionStarter]: For program point L999(lines 999 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,372 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 03:57:55,372 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 03:57:55,372 INFO L448 ceAbstractionStarter]: For program point L802(lines 802 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,372 INFO L448 ceAbstractionStarter]: For program point L670(lines 670 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,372 INFO L448 ceAbstractionStarter]: For program point L538(lines 538 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,372 INFO L448 ceAbstractionStarter]: For program point L1397(lines 1397 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,372 INFO L448 ceAbstractionStarter]: For program point L274(lines 274 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,372 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-12-02 03:57:55,372 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-12-02 03:57:55,372 INFO L448 ceAbstractionStarter]: For program point L1067(lines 1067 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,373 INFO L448 ceAbstractionStarter]: For program point L935(lines 935 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,373 INFO L448 ceAbstractionStarter]: For program point L869(lines 869 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,373 INFO L448 ceAbstractionStarter]: For program point L1200(lines 1200 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,373 INFO L448 ceAbstractionStarter]: For program point L606(lines 606 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,373 INFO L448 ceAbstractionStarter]: For program point L1267(lines 1267 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,373 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 03:57:55,373 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 03:57:55,373 INFO L448 ceAbstractionStarter]: For program point L1466(lines 1466 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,373 INFO L448 ceAbstractionStarter]: For program point L1334(lines 1334 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,373 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-12-02 03:57:55,373 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-12-02 03:57:55,373 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,373 INFO L448 ceAbstractionStarter]: For program point L1137(lines 1137 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,373 INFO L448 ceAbstractionStarter]: For program point L1005(lines 1005 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,373 INFO L448 ceAbstractionStarter]: For program point L741(lines 741 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,373 INFO L448 ceAbstractionStarter]: For program point L543(lines 543 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,373 INFO L448 ceAbstractionStarter]: For program point L411(lines 411 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,373 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,373 INFO L448 ceAbstractionStarter]: For program point L279(lines 279 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,373 INFO L448 ceAbstractionStarter]: For program point L213(lines 213 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,373 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 03:57:55,373 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 03:57:55,373 INFO L448 ceAbstractionStarter]: For program point L808(lines 808 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,373 INFO L448 ceAbstractionStarter]: For program point L1403(lines 1403 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,373 INFO L448 ceAbstractionStarter]: For program point L1205(lines 1205 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,373 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-12-02 03:57:55,374 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-12-02 03:57:55,374 INFO L448 ceAbstractionStarter]: For program point L1073(lines 1073 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,374 INFO L448 ceAbstractionStarter]: For program point L875(lines 875 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,374 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,374 INFO L448 ceAbstractionStarter]: For program point L942(lines 942 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,374 INFO L448 ceAbstractionStarter]: For program point L612(lines 612 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,374 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 03:57:55,374 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 03:57:55,374 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 23 1492) no Hoare annotation was computed. [2018-12-02 03:57:55,374 INFO L448 ceAbstractionStarter]: For program point L1472(lines 1472 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,374 INFO L448 ceAbstractionStarter]: For program point L1274(lines 1274 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,374 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-12-02 03:57:55,374 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-12-02 03:57:55,374 INFO L448 ceAbstractionStarter]: For program point L746(lines 746 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,374 INFO L448 ceAbstractionStarter]: For program point L680(lines 680 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,374 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,374 INFO L448 ceAbstractionStarter]: For program point L350(lines 350 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,374 INFO L448 ceAbstractionStarter]: For program point L1341(lines 1341 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,374 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,374 INFO L448 ceAbstractionStarter]: For program point L1143(lines 1143 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,374 INFO L448 ceAbstractionStarter]: For program point L1011(lines 1011 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,374 INFO L448 ceAbstractionStarter]: For program point L483(lines 483 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,374 INFO L448 ceAbstractionStarter]: For program point L417(lines 417 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,374 INFO L448 ceAbstractionStarter]: For program point L285(lines 285 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,374 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 03:57:55,374 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 03:57:55,375 INFO L448 ceAbstractionStarter]: For program point L1409(lines 1409 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,375 INFO L448 ceAbstractionStarter]: For program point L1211(lines 1211 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,375 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-02 03:57:55,375 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-12-02 03:57:55,375 INFO L448 ceAbstractionStarter]: For program point L1079(lines 1079 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,375 INFO L448 ceAbstractionStarter]: For program point L815(lines 815 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,375 INFO L448 ceAbstractionStarter]: For program point L948(lines 948 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,375 INFO L448 ceAbstractionStarter]: For program point L882(lines 882 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,375 INFO L448 ceAbstractionStarter]: For program point L618(lines 618 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,375 INFO L448 ceAbstractionStarter]: For program point L1477(lines 1477 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,375 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 03:57:55,375 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 03:57:55,375 INFO L448 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2018-12-02 03:57:55,375 INFO L448 ceAbstractionStarter]: For program point L24-2(lines 23 1492) no Hoare annotation was computed. [2018-12-02 03:57:55,375 INFO L448 ceAbstractionStarter]: For program point L1280(lines 1280 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,375 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,375 INFO L448 ceAbstractionStarter]: For program point L1214(lines 1214 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,375 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-12-02 03:57:55,375 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-12-02 03:57:55,375 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-12-02 03:57:55,375 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,375 INFO L448 ceAbstractionStarter]: For program point L686(lines 686 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,375 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,375 INFO L448 ceAbstractionStarter]: For program point L356(lines 356 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,375 INFO L448 ceAbstractionStarter]: For program point L1347(lines 1347 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,375 INFO L448 ceAbstractionStarter]: For program point L290(lines 290 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,376 INFO L448 ceAbstractionStarter]: For program point L1149(lines 1149 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,376 INFO L448 ceAbstractionStarter]: For program point L489(lines 489 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,376 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 03:57:55,376 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 03:57:55,376 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 03:57:55,376 INFO L448 ceAbstractionStarter]: For program point L1018(lines 1018 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,376 INFO L448 ceAbstractionStarter]: For program point L424(lines 424 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,376 INFO L448 ceAbstractionStarter]: For program point L1415(lines 1415 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,376 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-12-02 03:57:55,376 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-12-02 03:57:55,376 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-12-02 03:57:55,376 INFO L448 ceAbstractionStarter]: For program point L1086(lines 1086 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,376 INFO L448 ceAbstractionStarter]: For program point L954(lines 954 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,376 INFO L448 ceAbstractionStarter]: For program point L888(lines 888 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,376 INFO L448 ceAbstractionStarter]: For program point L822(lines 822 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,376 INFO L448 ceAbstractionStarter]: For program point L624(lines 624 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,376 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 03:57:55,376 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 03:57:55,376 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 03:57:55,376 INFO L448 ceAbstractionStarter]: For program point L691(lines 691 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,376 INFO L448 ceAbstractionStarter]: For program point L1484(lines 1484 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,376 INFO L448 ceAbstractionStarter]: For program point L427(lines 427 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,376 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,376 INFO L448 ceAbstractionStarter]: For program point L1286(lines 1286 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,376 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,376 INFO L448 ceAbstractionStarter]: For program point L1220(lines 1220 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,376 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-12-02 03:57:55,377 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-12-02 03:57:55,377 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-12-02 03:57:55,377 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,377 INFO L448 ceAbstractionStarter]: For program point L560(lines 560 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,377 INFO L448 ceAbstractionStarter]: For program point L1353(lines 1353 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,377 INFO L448 ceAbstractionStarter]: For program point L1155(lines 1155 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,377 INFO L448 ceAbstractionStarter]: For program point L495(lines 495 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,377 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,377 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 03:57:55,377 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 03:57:55,377 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 03:57:55,377 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-12-02 03:57:55,377 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-12-02 03:57:55,377 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-12-02 03:57:55,377 INFO L448 ceAbstractionStarter]: For program point L1025(lines 1025 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,377 INFO L448 ceAbstractionStarter]: For program point L1422(lines 1422 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,377 INFO L448 ceAbstractionStarter]: For program point L1092(lines 1092 1490) no Hoare annotation was computed. [2018-12-02 03:57:55,377 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 03:57:55,377 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a16~0 11) (= 3 ~a15~0) (= ~a12~0 5) (= (+ ~a18~0 87) 0)) [2018-12-02 03:57:55,377 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 03:57:55,377 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 03:57:55,377 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 1767 1783) the Hoare annotation is: (or (not (= 3 |old(~a15~0)|)) (not (= 5 |old(~a12~0)|)) (not (= 11 |old(~a16~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (and (= (+ ~a18~0 87) 0) (= ~a16~0 |old(~a16~0)|) (= 3 ~a15~0) (= |old(~a12~0)| ~a12~0))) [2018-12-02 03:57:55,377 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 1767 1783) no Hoare annotation was computed. [2018-12-02 03:57:55,378 INFO L444 ceAbstractionStarter]: At program point L1781(line 1781) the Hoare annotation is: (let ((.cse0 (= 8 ~a12~0)) (.cse1 (not (= ~a16~0 12))) (.cse3 (not (= ~a15~0 4))) (.cse2 (not (= 10 ~a16~0)))) (or (not (= 11 |old(~a16~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (not (= 3 |old(~a15~0)|)) (and .cse0 .cse1 .cse2) (and .cse1 (<= ~a12~0 6)) (and .cse1 (<= ~a12~0 7) .cse2) (<= ~a16~0 8) (not (= 5 |old(~a12~0)|)) (and .cse0 .cse3) (and (<= (+ ~a18~0 79) 0) .cse1 .cse2) (and .cse3 .cse2))) [2018-12-02 03:57:55,378 INFO L448 ceAbstractionStarter]: For program point L1781-1(line 1781) no Hoare annotation was computed. [2018-12-02 03:57:55,378 INFO L448 ceAbstractionStarter]: For program point L1778(line 1778) no Hoare annotation was computed. [2018-12-02 03:57:55,378 INFO L444 ceAbstractionStarter]: At program point L1773-2(lines 1773 1782) the Hoare annotation is: (let ((.cse0 (= 8 ~a12~0)) (.cse3 (not (= ~a15~0 4))) (.cse1 (not (= ~a16~0 12))) (.cse2 (not (= 10 ~a16~0)))) (or (not (= 11 |old(~a16~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (not (= 3 |old(~a15~0)|)) (and .cse0 .cse1 .cse2) (and .cse1 (<= ~a12~0 6)) (and .cse2 .cse3) (and .cse1 (<= ~a12~0 7) .cse2) (<= ~a16~0 8) (not (= 5 |old(~a12~0)|)) (and .cse0 .cse3) (and (<= (+ ~a18~0 79) 0) .cse1 .cse2))) [2018-12-02 03:57:55,378 INFO L448 ceAbstractionStarter]: For program point L1773-3(lines 1767 1783) no Hoare annotation was computed. [2018-12-02 03:57:55,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:57:55 BoogieIcfgContainer [2018-12-02 03:57:55,385 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 03:57:55,385 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 03:57:55,385 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 03:57:55,385 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 03:57:55,385 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:53:37" (3/4) ... [2018-12-02 03:57:55,388 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 03:57:55,392 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 03:57:55,392 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output2 [2018-12-02 03:57:55,392 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-02 03:57:55,392 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 03:57:55,410 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-12-02 03:57:55,411 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-02 03:57:55,438 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(11 == \old(a16)) || !(\old(a18) + 87 == 0)) || !(3 == \old(a15))) || ((8 == a12 && !(a16 == 12)) && !(10 == a16))) || (!(a16 == 12) && a12 <= 6)) || (!(10 == a16) && !(a15 == 4))) || ((!(a16 == 12) && a12 <= 7) && !(10 == a16))) || a16 <= 8) || !(5 == \old(a12))) || (8 == a12 && !(a15 == 4))) || ((a18 + 79 <= 0 && !(a16 == 12)) && !(10 == a16)) [2018-12-02 03:57:55,541 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_29116937-f9b5-4106-943b-553ece8d7d08/bin-2019/utaipan/witness.graphml [2018-12-02 03:57:55,541 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 03:57:55,542 INFO L168 Benchmark]: Toolchain (without parser) took 259946.18 ms. Allocated memory was 1.0 GB in the beginning and 5.2 GB in the end (delta: 4.2 GB). Free memory was 945.9 MB in the beginning and 4.7 GB in the end (delta: -3.7 GB). Peak memory consumption was 444.7 MB. Max. memory is 11.5 GB. [2018-12-02 03:57:55,542 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 03:57:55,542 INFO L168 Benchmark]: CACSL2BoogieTranslator took 625.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 945.9 MB in the beginning and 1.1 GB in the end (delta: -163.5 MB). Peak memory consumption was 73.2 MB. Max. memory is 11.5 GB. [2018-12-02 03:57:55,542 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.61 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-12-02 03:57:55,543 INFO L168 Benchmark]: Boogie Preprocessor took 59.81 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-12-02 03:57:55,543 INFO L168 Benchmark]: RCFGBuilder took 1327.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 849.5 MB in the end (delta: 246.2 MB). Peak memory consumption was 246.2 MB. Max. memory is 11.5 GB. [2018-12-02 03:57:55,543 INFO L168 Benchmark]: TraceAbstraction took 257746.51 ms. Allocated memory was 1.2 GB in the beginning and 5.2 GB in the end (delta: 4.0 GB). Free memory was 849.5 MB in the beginning and 4.7 GB in the end (delta: -3.9 GB). Peak memory consumption was 3.8 GB. Max. memory is 11.5 GB. [2018-12-02 03:57:55,543 INFO L168 Benchmark]: Witness Printer took 156.22 ms. Allocated memory is still 5.2 GB. Free memory was 4.7 GB in the beginning and 4.7 GB in the end (delta: 75.7 MB). Peak memory consumption was 75.7 MB. Max. memory is 11.5 GB. [2018-12-02 03:57:55,544 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 625.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 945.9 MB in the beginning and 1.1 GB in the end (delta: -163.5 MB). Peak memory consumption was 73.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.61 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 59.81 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1327.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 849.5 MB in the end (delta: 246.2 MB). Peak memory consumption was 246.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 257746.51 ms. Allocated memory was 1.2 GB in the beginning and 5.2 GB in the end (delta: 4.0 GB). Free memory was 849.5 MB in the beginning and 4.7 GB in the end (delta: -3.9 GB). Peak memory consumption was 3.8 GB. Max. memory is 11.5 GB. * Witness Printer took 156.22 ms. Allocated memory is still 5.2 GB. Free memory was 4.7 GB in the beginning and 4.7 GB in the end (delta: 75.7 MB). Peak memory consumption was 75.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 187]: 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: 1773]: Loop Invariant Derived loop invariant: (((((((((!(11 == \old(a16)) || !(\old(a18) + 87 == 0)) || !(3 == \old(a15))) || ((8 == a12 && !(a16 == 12)) && !(10 == a16))) || (!(a16 == 12) && a12 <= 6)) || (!(10 == a16) && !(a15 == 4))) || ((!(a16 == 12) && a12 <= 7) && !(10 == a16))) || a16 <= 8) || !(5 == \old(a12))) || (8 == a12 && !(a15 == 4))) || ((a18 + 79 <= 0 && !(a16 == 12)) && !(10 == a16)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 409 locations, 1 error locations. SAFE Result, 257.6s OverallTime, 16 OverallIterations, 8 TraceHistogramMax, 236.9s AutomataDifference, 0.0s DeadEndRemovalTime, 4.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 2508 SDtfs, 26090 SDslu, 1290 SDs, 0 SdLazy, 31806 SolverSat, 6545 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 213.6s Time, PredicateUnifierStatistics: 10 DeclaredPredicates, 11622 GetRequests, 11369 SyntacticMatches, 13 SemanticMatches, 240 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1983 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16078occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 3.9s AbstIntTime, 10 AbstIntIterations, 5 AbstIntStrong, 0.9981499325808565 AbsIntWeakeningRatio, 0.06656426011264721 AbsIntAvgWeakeningVarsNumRemoved, 16.127496159754223 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.3s AutomataMinimizationTime, 16 MinimizatonAttempts, 7059 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 1218 PreInvPairs, 1392 NumberOfFragments, 1195 HoareAnnotationTreeSize, 1218 FomulaSimplifications, 74172 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 9 FomulaSimplificationsInter, 58047 FormulaSimplificationTreeSizeReductionInter, 3.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 4.9s InterpolantComputationTime, 12819 NumberOfCodeBlocks, 12819 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 17484 ConstructedInterpolants, 0 QuantifiedInterpolants, 39401317 SizeOfPredicates, 5 NumberOfNonLiveVariables, 6237 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 26 InterpolantComputations, 10 PerfectInterpolantSequences, 27803/30785 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...