./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label24_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_48789734-139d-43d6-97ee-fb2f07c164de/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_48789734-139d-43d6-97ee-fb2f07c164de/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_48789734-139d-43d6-97ee-fb2f07c164de/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_48789734-139d-43d6-97ee-fb2f07c164de/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label24_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_48789734-139d-43d6-97ee-fb2f07c164de/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_48789734-139d-43d6-97ee-fb2f07c164de/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 9e33d836f8934c877c20909309a7ec4eabef1480 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 22:09:27,222 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 22:09:27,223 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 22:09:27,229 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 22:09:27,229 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 22:09:27,230 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 22:09:27,230 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 22:09:27,231 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 22:09:27,232 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 22:09:27,233 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 22:09:27,233 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 22:09:27,233 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 22:09:27,234 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 22:09:27,235 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 22:09:27,235 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 22:09:27,236 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 22:09:27,236 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 22:09:27,237 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 22:09:27,238 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 22:09:27,239 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 22:09:27,240 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 22:09:27,240 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 22:09:27,242 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 22:09:27,242 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 22:09:27,242 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 22:09:27,242 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 22:09:27,243 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 22:09:27,243 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 22:09:27,244 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 22:09:27,244 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 22:09:27,244 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 22:09:27,245 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 22:09:27,245 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 22:09:27,245 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 22:09:27,246 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 22:09:27,246 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 22:09:27,246 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_48789734-139d-43d6-97ee-fb2f07c164de/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-01 22:09:27,254 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 22:09:27,254 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 22:09:27,254 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 22:09:27,254 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-01 22:09:27,255 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-01 22:09:27,255 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-01 22:09:27,255 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-01 22:09:27,255 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-01 22:09:27,255 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-01 22:09:27,255 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-01 22:09:27,255 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-01 22:09:27,255 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-01 22:09:27,256 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-01 22:09:27,256 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 22:09:27,256 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 22:09:27,256 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 22:09:27,256 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 22:09:27,257 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 22:09:27,257 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 22:09:27,257 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 22:09:27,257 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 22:09:27,257 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 22:09:27,257 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 22:09:27,257 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 22:09:27,258 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 22:09:27,258 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-01 22:09:27,258 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 22:09:27,258 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-01 22:09:27,258 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 22:09:27,258 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 22:09:27,258 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 22:09:27,258 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 22:09:27,259 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-01 22:09:27,259 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 22:09:27,259 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 22:09:27,259 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-01 22:09:27,259 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_48789734-139d-43d6-97ee-fb2f07c164de/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 -> 9e33d836f8934c877c20909309a7ec4eabef1480 [2018-12-01 22:09:27,277 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 22:09:27,284 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 22:09:27,286 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 22:09:27,286 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 22:09:27,287 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 22:09:27,287 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_48789734-139d-43d6-97ee-fb2f07c164de/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem16_label24_true-unreach-call.c [2018-12-01 22:09:27,321 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_48789734-139d-43d6-97ee-fb2f07c164de/bin-2019/utaipan/data/8bb0497eb/8adc9d2c2ed149ffa625dcc8bd0026ce/FLAGd796e9913 [2018-12-01 22:09:27,829 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 22:09:27,829 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_48789734-139d-43d6-97ee-fb2f07c164de/sv-benchmarks/c/eca-rers2012/Problem16_label24_true-unreach-call.c [2018-12-01 22:09:27,838 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_48789734-139d-43d6-97ee-fb2f07c164de/bin-2019/utaipan/data/8bb0497eb/8adc9d2c2ed149ffa625dcc8bd0026ce/FLAGd796e9913 [2018-12-01 22:09:27,847 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_48789734-139d-43d6-97ee-fb2f07c164de/bin-2019/utaipan/data/8bb0497eb/8adc9d2c2ed149ffa625dcc8bd0026ce [2018-12-01 22:09:27,849 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 22:09:27,850 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 22:09:27,850 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 22:09:27,850 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 22:09:27,852 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 22:09:27,853 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 10:09:27" (1/1) ... [2018-12-01 22:09:27,855 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@484c0a6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:09:27, skipping insertion in model container [2018-12-01 22:09:27,855 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 10:09:27" (1/1) ... [2018-12-01 22:09:27,859 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 22:09:27,894 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 22:09:28,231 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 22:09:28,235 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 22:09:28,400 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 22:09:28,409 INFO L195 MainTranslator]: Completed translation [2018-12-01 22:09:28,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:09:28 WrapperNode [2018-12-01 22:09:28,410 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 22:09:28,410 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 22:09:28,411 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 22:09:28,411 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 22:09:28,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:09:28" (1/1) ... [2018-12-01 22:09:28,431 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:09:28" (1/1) ... [2018-12-01 22:09:28,435 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 22:09:28,436 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 22:09:28,436 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 22:09:28,436 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 22:09:28,442 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:09:28" (1/1) ... [2018-12-01 22:09:28,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:09:28" (1/1) ... [2018-12-01 22:09:28,447 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:09:28" (1/1) ... [2018-12-01 22:09:28,448 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:09:28" (1/1) ... [2018-12-01 22:09:28,471 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:09:28" (1/1) ... [2018-12-01 22:09:28,479 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:09:28" (1/1) ... [2018-12-01 22:09:28,486 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:09:28" (1/1) ... [2018-12-01 22:09:28,494 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 22:09:28,495 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 22:09:28,495 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 22:09:28,495 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 22:09:28,496 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:09:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_48789734-139d-43d6-97ee-fb2f07c164de/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 [2018-12-01 22:09:28,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-01 22:09:28,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-01 22:09:28,537 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-12-01 22:09:28,537 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-12-01 22:09:28,537 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-01 22:09:28,537 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-01 22:09:28,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 22:09:28,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 22:09:28,537 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-01 22:09:28,538 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-01 22:09:29,819 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 22:09:29,819 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-01 22:09:29,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:09:29 BoogieIcfgContainer [2018-12-01 22:09:29,820 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 22:09:29,820 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-01 22:09:29,820 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-01 22:09:29,822 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-01 22:09:29,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 10:09:27" (1/3) ... [2018-12-01 22:09:29,823 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@250e760f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 10:09:29, skipping insertion in model container [2018-12-01 22:09:29,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:09:28" (2/3) ... [2018-12-01 22:09:29,823 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@250e760f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 10:09:29, skipping insertion in model container [2018-12-01 22:09:29,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:09:29" (3/3) ... [2018-12-01 22:09:29,824 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label24_true-unreach-call.c [2018-12-01 22:09:29,830 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-01 22:09:29,835 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-01 22:09:29,846 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-01 22:09:29,867 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-01 22:09:29,867 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-01 22:09:29,868 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-01 22:09:29,868 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-01 22:09:29,868 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-01 22:09:29,868 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-01 22:09:29,868 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-01 22:09:29,868 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-01 22:09:29,885 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states. [2018-12-01 22:09:29,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-01 22:09:29,889 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:09:29,890 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] [2018-12-01 22:09:29,891 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:09:29,894 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:09:29,895 INFO L82 PathProgramCache]: Analyzing trace with hash 272014893, now seen corresponding path program 1 times [2018-12-01 22:09:29,896 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:09:29,925 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:09:29,926 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:09:29,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:09:29,926 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:09:29,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:09:30,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:09:30,072 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:09:30,073 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 22:09:30,073 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:09:30,077 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 22:09:30,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 22:09:30,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 22:09:30,091 INFO L87 Difference]: Start difference. First operand 409 states. Second operand 3 states. [2018-12-01 22:09:31,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:09:31,207 INFO L93 Difference]: Finished difference Result 1153 states and 2141 transitions. [2018-12-01 22:09:31,208 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 22:09:31,208 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2018-12-01 22:09:31,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:09:31,218 INFO L225 Difference]: With dead ends: 1153 [2018-12-01 22:09:31,218 INFO L226 Difference]: Without dead ends: 682 [2018-12-01 22:09:31,222 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 22:09:31,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2018-12-01 22:09:31,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 682. [2018-12-01 22:09:31,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 682 states. [2018-12-01 22:09:31,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 1166 transitions. [2018-12-01 22:09:31,270 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 1166 transitions. Word has length 58 [2018-12-01 22:09:31,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:09:31,270 INFO L480 AbstractCegarLoop]: Abstraction has 682 states and 1166 transitions. [2018-12-01 22:09:31,270 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 22:09:31,270 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 1166 transitions. [2018-12-01 22:09:31,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-12-01 22:09:31,273 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:09:31,274 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:09:31,274 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:09:31,274 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:09:31,274 INFO L82 PathProgramCache]: Analyzing trace with hash 614033461, now seen corresponding path program 1 times [2018-12-01 22:09:31,274 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:09:31,275 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:09:31,275 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:09:31,275 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:09:31,275 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:09:31,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:09:31,407 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:09:31,407 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:09:31,407 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-01 22:09:31,407 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:09:31,408 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-01 22:09:31,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-01 22:09:31,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-01 22:09:31,409 INFO L87 Difference]: Start difference. First operand 682 states and 1166 transitions. Second operand 6 states. [2018-12-01 22:09:32,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:09:32,628 INFO L93 Difference]: Finished difference Result 1733 states and 2953 transitions. [2018-12-01 22:09:32,628 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-01 22:09:32,628 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 165 [2018-12-01 22:09:32,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:09:32,635 INFO L225 Difference]: With dead ends: 1733 [2018-12-01 22:09:32,635 INFO L226 Difference]: Without dead ends: 1057 [2018-12-01 22:09:32,637 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 [2018-12-01 22:09:32,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1057 states. [2018-12-01 22:09:32,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1057 to 1039. [2018-12-01 22:09:32,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1039 states. [2018-12-01 22:09:32,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 1039 states and 1701 transitions. [2018-12-01 22:09:32,667 INFO L78 Accepts]: Start accepts. Automaton has 1039 states and 1701 transitions. Word has length 165 [2018-12-01 22:09:32,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:09:32,667 INFO L480 AbstractCegarLoop]: Abstraction has 1039 states and 1701 transitions. [2018-12-01 22:09:32,667 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-01 22:09:32,667 INFO L276 IsEmpty]: Start isEmpty. Operand 1039 states and 1701 transitions. [2018-12-01 22:09:32,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-12-01 22:09:32,670 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:09:32,670 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:09:32,670 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:09:32,670 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:09:32,670 INFO L82 PathProgramCache]: Analyzing trace with hash -560455332, now seen corresponding path program 1 times [2018-12-01 22:09:32,670 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:09:32,671 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:09:32,671 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:09:32,671 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:09:32,671 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:09:32,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:09:32,781 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:09:32,782 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:09:32,782 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-01 22:09:32,782 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:09:32,782 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-01 22:09:32,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-01 22:09:32,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-01 22:09:32,783 INFO L87 Difference]: Start difference. First operand 1039 states and 1701 transitions. Second operand 6 states. [2018-12-01 22:09:34,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:09:34,061 INFO L93 Difference]: Finished difference Result 3130 states and 5158 transitions. [2018-12-01 22:09:34,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-01 22:09:34,061 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 168 [2018-12-01 22:09:34,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:09:34,066 INFO L225 Difference]: With dead ends: 3130 [2018-12-01 22:09:34,066 INFO L226 Difference]: Without dead ends: 2097 [2018-12-01 22:09:34,068 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 [2018-12-01 22:09:34,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2097 states. [2018-12-01 22:09:34,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2097 to 2081. [2018-12-01 22:09:34,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2081 states. [2018-12-01 22:09:34,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2081 states to 2081 states and 3125 transitions. [2018-12-01 22:09:34,094 INFO L78 Accepts]: Start accepts. Automaton has 2081 states and 3125 transitions. Word has length 168 [2018-12-01 22:09:34,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:09:34,094 INFO L480 AbstractCegarLoop]: Abstraction has 2081 states and 3125 transitions. [2018-12-01 22:09:34,094 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-01 22:09:34,094 INFO L276 IsEmpty]: Start isEmpty. Operand 2081 states and 3125 transitions. [2018-12-01 22:09:34,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-12-01 22:09:34,097 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:09:34,097 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:09:34,097 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:09:34,097 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:09:34,097 INFO L82 PathProgramCache]: Analyzing trace with hash -1600135980, now seen corresponding path program 1 times [2018-12-01 22:09:34,097 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:09:34,098 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:09:34,098 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:09:34,098 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:09:34,098 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:09:34,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:09:34,213 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 102 proven. 106 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 22:09:34,213 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:09:34,213 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-01 22:09:34,214 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 284 with the following transitions: [2018-12-01 22:09:34,215 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], [551], [553], [556], [564], [572], [580], [588], [596], [604], [612], [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], [836], [837], [841], [845], [849], [853], [856], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-01 22:09:34,240 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-01 22:09:34,240 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-01 22:09:34,474 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-01 22:09:34,475 INFO L272 AbstractInterpreter]: Visited 120 different actions 120 times. Never merged. Never widened. Performed 1095 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1095 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 24 variables. [2018-12-01 22:09:34,479 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:09:34,479 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-01 22:09:34,759 INFO L227 lantSequenceWeakener]: Weakened 274 states. On average, predicates are now at 77.94% of their original sizes. [2018-12-01 22:09:34,759 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-01 22:09:34,779 INFO L418 sIntCurrentIteration]: We unified 282 AI predicates to 282 [2018-12-01 22:09:34,779 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-01 22:09:34,779 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-01 22:09:34,779 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-12-01 22:09:34,780 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:09:34,780 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-01 22:09:34,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-01 22:09:34,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-01 22:09:34,780 INFO L87 Difference]: Start difference. First operand 2081 states and 3125 transitions. Second operand 6 states. [2018-12-01 22:09:54,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:09:54,875 INFO L93 Difference]: Finished difference Result 4494 states and 6706 transitions. [2018-12-01 22:09:54,875 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-01 22:09:54,875 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 283 [2018-12-01 22:09:54,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:09:54,882 INFO L225 Difference]: With dead ends: 4494 [2018-12-01 22:09:54,882 INFO L226 Difference]: Without dead ends: 2419 [2018-12-01 22:09:54,885 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 283 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-01 22:09:54,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2419 states. [2018-12-01 22:09:54,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2419 to 2418. [2018-12-01 22:09:54,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2418 states. [2018-12-01 22:09:54,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2418 states to 2418 states and 3469 transitions. [2018-12-01 22:09:54,926 INFO L78 Accepts]: Start accepts. Automaton has 2418 states and 3469 transitions. Word has length 283 [2018-12-01 22:09:54,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:09:54,927 INFO L480 AbstractCegarLoop]: Abstraction has 2418 states and 3469 transitions. [2018-12-01 22:09:54,927 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-01 22:09:54,927 INFO L276 IsEmpty]: Start isEmpty. Operand 2418 states and 3469 transitions. [2018-12-01 22:09:54,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2018-12-01 22:09:54,930 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:09:54,930 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:09:54,930 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:09:54,930 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:09:54,931 INFO L82 PathProgramCache]: Analyzing trace with hash 152460972, now seen corresponding path program 1 times [2018-12-01 22:09:54,931 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:09:54,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:09:54,931 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:09:54,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:09:54,931 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:09:54,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:09:55,053 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 246 proven. 110 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-12-01 22:09:55,054 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:09:55,054 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-01 22:09:55,054 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 375 with the following transitions: [2018-12-01 22:09:55,054 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], [551], [553], [556], [564], [572], [580], [588], [596], [604], [612], [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], [836], [837], [841], [845], [849], [853], [856], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-01 22:09:55,056 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-01 22:09:55,056 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-01 22:09:55,224 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-01 22:09:55,224 INFO L272 AbstractInterpreter]: Visited 124 different actions 359 times. Merged at 4 different actions 7 times. Never widened. Performed 3526 root evaluator evaluations with a maximum evaluation depth of 7. Performed 3526 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-01 22:09:55,231 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:09:55,232 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-01 22:09:55,504 INFO L227 lantSequenceWeakener]: Weakened 371 states. On average, predicates are now at 80.53% of their original sizes. [2018-12-01 22:09:55,504 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-01 22:09:55,550 INFO L418 sIntCurrentIteration]: We unified 373 AI predicates to 373 [2018-12-01 22:09:55,550 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-01 22:09:55,550 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-01 22:09:55,550 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-01 22:09:55,550 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:09:55,551 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-01 22:09:55,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-01 22:09:55,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-01 22:09:55,551 INFO L87 Difference]: Start difference. First operand 2418 states and 3469 transitions. Second operand 10 states. [2018-12-01 22:11:14,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:11:14,509 INFO L93 Difference]: Finished difference Result 5891 states and 8540 transitions. [2018-12-01 22:11:14,509 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-01 22:11:14,509 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 374 [2018-12-01 22:11:14,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:11:14,516 INFO L225 Difference]: With dead ends: 5891 [2018-12-01 22:11:14,516 INFO L226 Difference]: Without dead ends: 3816 [2018-12-01 22:11:14,518 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 383 GetRequests, 365 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-12-01 22:11:14,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3816 states. [2018-12-01 22:11:14,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3816 to 3458. [2018-12-01 22:11:14,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3458 states. [2018-12-01 22:11:14,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3458 states to 3458 states and 4617 transitions. [2018-12-01 22:11:14,568 INFO L78 Accepts]: Start accepts. Automaton has 3458 states and 4617 transitions. Word has length 374 [2018-12-01 22:11:14,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:11:14,568 INFO L480 AbstractCegarLoop]: Abstraction has 3458 states and 4617 transitions. [2018-12-01 22:11:14,568 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-01 22:11:14,568 INFO L276 IsEmpty]: Start isEmpty. Operand 3458 states and 4617 transitions. [2018-12-01 22:11:14,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 523 [2018-12-01 22:11:14,574 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:11:14,575 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, 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, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:11:14,575 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:11:14,575 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:11:14,575 INFO L82 PathProgramCache]: Analyzing trace with hash 817472020, now seen corresponding path program 1 times [2018-12-01 22:11:14,575 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:11:14,576 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:11:14,576 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:11:14,576 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:11:14,576 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:11:14,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:11:15,104 INFO L134 CoverageAnalysis]: Checked inductivity of 488 backedges. 261 proven. 123 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-01 22:11:15,104 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:11:15,104 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-01 22:11:15,105 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 523 with the following transitions: [2018-12-01 22:11:15,105 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], [551], [553], [556], [564], [572], [580], [588], [596], [604], [612], [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], [836], [837], [841], [845], [849], [853], [856], [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], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-01 22:11:15,111 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-01 22:11:15,111 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-01 22:11:15,257 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-01 22:11:15,257 INFO L272 AbstractInterpreter]: Visited 248 different actions 490 times. Merged at 4 different actions 4 times. Never widened. Performed 5197 root evaluator evaluations with a maximum evaluation depth of 10. Performed 5197 inverse root evaluator evaluations with a maximum inverse evaluation depth of 10. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-01 22:11:15,259 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:11:15,259 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-01 22:11:15,520 INFO L227 lantSequenceWeakener]: Weakened 519 states. On average, predicates are now at 77.66% of their original sizes. [2018-12-01 22:11:15,520 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-01 22:11:15,567 INFO L418 sIntCurrentIteration]: We unified 521 AI predicates to 521 [2018-12-01 22:11:15,567 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-01 22:11:15,567 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-01 22:11:15,567 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [8] total 16 [2018-12-01 22:11:15,567 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:11:15,568 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-01 22:11:15,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-01 22:11:15,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-01 22:11:15,568 INFO L87 Difference]: Start difference. First operand 3458 states and 4617 transitions. Second operand 10 states. [2018-12-01 22:12:33,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:12:33,556 INFO L93 Difference]: Finished difference Result 6914 states and 9354 transitions. [2018-12-01 22:12:33,556 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-01 22:12:33,557 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 522 [2018-12-01 22:12:33,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:12:33,565 INFO L225 Difference]: With dead ends: 6914 [2018-12-01 22:12:33,565 INFO L226 Difference]: Without dead ends: 3799 [2018-12-01 22:12:33,569 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 529 GetRequests, 513 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-12-01 22:12:33,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3799 states. [2018-12-01 22:12:33,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3799 to 3797. [2018-12-01 22:12:33,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3797 states. [2018-12-01 22:12:33,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3797 states to 3797 states and 4972 transitions. [2018-12-01 22:12:33,630 INFO L78 Accepts]: Start accepts. Automaton has 3797 states and 4972 transitions. Word has length 522 [2018-12-01 22:12:33,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:12:33,631 INFO L480 AbstractCegarLoop]: Abstraction has 3797 states and 4972 transitions. [2018-12-01 22:12:33,631 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-01 22:12:33,631 INFO L276 IsEmpty]: Start isEmpty. Operand 3797 states and 4972 transitions. [2018-12-01 22:12:33,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 614 [2018-12-01 22:12:33,635 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:12:33,635 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:12:33,635 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:12:33,636 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:12:33,636 INFO L82 PathProgramCache]: Analyzing trace with hash -930753220, now seen corresponding path program 1 times [2018-12-01 22:12:33,636 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:12:33,636 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:12:33,637 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:12:33,637 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:12:33,637 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:12:33,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:12:34,449 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 301 proven. 223 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2018-12-01 22:12:34,450 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:12:34,450 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-01 22:12:34,450 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 614 with the following transitions: [2018-12-01 22:12:34,450 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], [551], [553], [556], [564], [572], [580], [588], [596], [604], [612], [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], [836], [837], [841], [845], [849], [853], [856], [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], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-01 22:12:34,454 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-01 22:12:34,454 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-01 22:12:34,909 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-01 22:12:34,909 INFO L272 AbstractInterpreter]: Visited 250 different actions 1240 times. Merged at 8 different actions 33 times. Never widened. Performed 15013 root evaluator evaluations with a maximum evaluation depth of 17. Performed 15013 inverse root evaluator evaluations with a maximum inverse evaluation depth of 17. Found 9 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-01 22:12:34,910 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:12:34,911 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-01 22:12:34,911 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:12:34,911 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_48789734-139d-43d6-97ee-fb2f07c164de/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 [2018-12-01 22:12:34,918 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:12:34,918 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-01 22:12:35,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:12:35,033 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 22:12:35,226 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 596 proven. 2 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2018-12-01 22:12:35,226 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-01 22:12:35,486 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 301 proven. 223 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2018-12-01 22:12:35,502 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-01 22:12:35,502 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 18 [2018-12-01 22:12:35,502 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-01 22:12:35,503 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-01 22:12:35,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-01 22:12:35,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=240, Unknown=0, NotChecked=0, Total=306 [2018-12-01 22:12:35,503 INFO L87 Difference]: Start difference. First operand 3797 states and 4972 transitions. Second operand 15 states. [2018-12-01 22:12:41,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:12:41,656 INFO L93 Difference]: Finished difference Result 7883 states and 10624 transitions. [2018-12-01 22:12:41,657 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-12-01 22:12:41,657 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 613 [2018-12-01 22:12:41,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:12:41,666 INFO L225 Difference]: With dead ends: 7883 [2018-12-01 22:12:41,666 INFO L226 Difference]: Without dead ends: 4229 [2018-12-01 22:12:41,672 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1298 GetRequests, 1246 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 770 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=629, Invalid=2233, Unknown=0, NotChecked=0, Total=2862 [2018-12-01 22:12:41,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4229 states. [2018-12-01 22:12:41,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4229 to 3458. [2018-12-01 22:12:41,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3458 states. [2018-12-01 22:12:41,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3458 states to 3458 states and 3819 transitions. [2018-12-01 22:12:41,728 INFO L78 Accepts]: Start accepts. Automaton has 3458 states and 3819 transitions. Word has length 613 [2018-12-01 22:12:41,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:12:41,728 INFO L480 AbstractCegarLoop]: Abstraction has 3458 states and 3819 transitions. [2018-12-01 22:12:41,728 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-01 22:12:41,728 INFO L276 IsEmpty]: Start isEmpty. Operand 3458 states and 3819 transitions. [2018-12-01 22:12:41,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 631 [2018-12-01 22:12:41,733 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:12:41,734 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:12:41,734 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:12:41,734 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:12:41,735 INFO L82 PathProgramCache]: Analyzing trace with hash -1941236255, now seen corresponding path program 1 times [2018-12-01 22:12:41,735 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:12:41,735 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:12:41,735 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:12:41,735 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:12:41,736 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:12:41,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:12:42,039 INFO L134 CoverageAnalysis]: Checked inductivity of 839 backedges. 214 proven. 389 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2018-12-01 22:12:42,039 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:12:42,039 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-01 22:12:42,039 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 631 with the following transitions: [2018-12-01 22:12:42,040 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], [551], [553], [556], [564], [572], [580], [588], [596], [604], [612], [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], [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] [2018-12-01 22:12:42,042 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-01 22:12:42,042 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-01 22:12:42,269 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-01 22:12:42,269 INFO L272 AbstractInterpreter]: Visited 257 different actions 765 times. Merged at 6 different actions 14 times. Never widened. Performed 8985 root evaluator evaluations with a maximum evaluation depth of 10. Performed 8985 inverse root evaluator evaluations with a maximum inverse evaluation depth of 10. Found 3 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-01 22:12:42,271 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:12:42,271 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-01 22:12:42,570 INFO L227 lantSequenceWeakener]: Weakened 627 states. On average, predicates are now at 80.36% of their original sizes. [2018-12-01 22:12:42,570 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-01 22:12:42,609 INFO L418 sIntCurrentIteration]: We unified 629 AI predicates to 629 [2018-12-01 22:12:42,609 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-01 22:12:42,609 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-01 22:12:42,609 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 13 [2018-12-01 22:12:42,610 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:12:42,610 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-01 22:12:42,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-01 22:12:42,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-01 22:12:42,610 INFO L87 Difference]: Start difference. First operand 3458 states and 3819 transitions. Second operand 9 states. [2018-12-01 22:14:04,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:14:04,479 INFO L93 Difference]: Finished difference Result 6941 states and 7731 transitions. [2018-12-01 22:14:04,480 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-01 22:14:04,480 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 630 [2018-12-01 22:14:04,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:14:04,485 INFO L225 Difference]: With dead ends: 6941 [2018-12-01 22:14:04,485 INFO L226 Difference]: Without dead ends: 4165 [2018-12-01 22:14:04,487 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 636 GetRequests, 622 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-12-01 22:14:04,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4165 states. [2018-12-01 22:14:04,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4165 to 3475. [2018-12-01 22:14:04,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3475 states. [2018-12-01 22:14:04,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3475 states to 3475 states and 3813 transitions. [2018-12-01 22:14:04,520 INFO L78 Accepts]: Start accepts. Automaton has 3475 states and 3813 transitions. Word has length 630 [2018-12-01 22:14:04,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:14:04,521 INFO L480 AbstractCegarLoop]: Abstraction has 3475 states and 3813 transitions. [2018-12-01 22:14:04,521 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-01 22:14:04,521 INFO L276 IsEmpty]: Start isEmpty. Operand 3475 states and 3813 transitions. [2018-12-01 22:14:04,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 760 [2018-12-01 22:14:04,526 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:14:04,526 INFO L402 BasicCegarLoop]: trace histogram [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, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:14:04,526 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:14:04,526 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:14:04,527 INFO L82 PathProgramCache]: Analyzing trace with hash -1312029333, now seen corresponding path program 1 times [2018-12-01 22:14:04,527 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:14:04,527 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:14:04,527 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:14:04,527 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:14:04,528 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:14:04,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:14:05,254 INFO L134 CoverageAnalysis]: Checked inductivity of 1344 backedges. 502 proven. 511 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2018-12-01 22:14:05,254 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:14:05,254 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-01 22:14:05,254 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 760 with the following transitions: [2018-12-01 22:14:05,255 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], [551], [553], [556], [564], [572], [580], [588], [596], [604], [612], [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], [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] [2018-12-01 22:14:05,257 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-01 22:14:05,257 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-01 22:14:05,751 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-01 22:14:05,751 INFO L272 AbstractInterpreter]: Visited 259 different actions 1290 times. Merged at 9 different actions 38 times. Widened at 1 different actions 1 times. Performed 15757 root evaluator evaluations with a maximum evaluation depth of 18. Performed 15757 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 11 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-01 22:14:05,754 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:14:05,754 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-01 22:14:05,754 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:14:05,754 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_48789734-139d-43d6-97ee-fb2f07c164de/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 [2018-12-01 22:14:05,760 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:14:05,760 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-01 22:14:05,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:14:05,844 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 22:14:06,009 INFO L134 CoverageAnalysis]: Checked inductivity of 1344 backedges. 967 proven. 2 refuted. 0 times theorem prover too weak. 375 trivial. 0 not checked. [2018-12-01 22:14:06,009 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-01 22:14:06,240 INFO L134 CoverageAnalysis]: Checked inductivity of 1344 backedges. 601 proven. 110 refuted. 0 times theorem prover too weak. 633 trivial. 0 not checked. [2018-12-01 22:14:06,255 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-01 22:14:06,256 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 17 [2018-12-01 22:14:06,256 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-01 22:14:06,256 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-01 22:14:06,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-01 22:14:06,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2018-12-01 22:14:06,257 INFO L87 Difference]: Start difference. First operand 3475 states and 3813 transitions. Second operand 15 states. [2018-12-01 22:14:10,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:14:10,081 INFO L93 Difference]: Finished difference Result 8749 states and 9850 transitions. [2018-12-01 22:14:10,082 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-12-01 22:14:10,082 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 759 [2018-12-01 22:14:10,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:14:10,090 INFO L225 Difference]: With dead ends: 8749 [2018-12-01 22:14:10,091 INFO L226 Difference]: Without dead ends: 5956 [2018-12-01 22:14:10,093 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1605 GetRequests, 1548 SyntacticMatches, 2 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 921 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=628, Invalid=2564, Unknown=0, NotChecked=0, Total=3192 [2018-12-01 22:14:10,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5956 states. [2018-12-01 22:14:10,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5956 to 5533. [2018-12-01 22:14:10,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5533 states. [2018-12-01 22:14:10,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5533 states to 5533 states and 6064 transitions. [2018-12-01 22:14:10,142 INFO L78 Accepts]: Start accepts. Automaton has 5533 states and 6064 transitions. Word has length 759 [2018-12-01 22:14:10,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:14:10,143 INFO L480 AbstractCegarLoop]: Abstraction has 5533 states and 6064 transitions. [2018-12-01 22:14:10,143 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-01 22:14:10,143 INFO L276 IsEmpty]: Start isEmpty. Operand 5533 states and 6064 transitions. [2018-12-01 22:14:10,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1086 [2018-12-01 22:14:10,150 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:14:10,151 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-01 22:14:10,151 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:14:10,151 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:14:10,151 INFO L82 PathProgramCache]: Analyzing trace with hash -1603625557, now seen corresponding path program 1 times [2018-12-01 22:14:10,151 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:14:10,152 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:14:10,152 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:14:10,152 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:14:10,152 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:14:10,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:14:10,642 INFO L134 CoverageAnalysis]: Checked inductivity of 2675 backedges. 810 proven. 223 refuted. 0 times theorem prover too weak. 1642 trivial. 0 not checked. [2018-12-01 22:14:10,642 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:14:10,643 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-01 22:14:10,643 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1086 with the following transitions: [2018-12-01 22:14:10,643 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], [551], [553], [556], [564], [572], [580], [588], [596], [604], [612], [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], [836], [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], [964], [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], [1288], [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] [2018-12-01 22:14:10,645 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-01 22:14:10,645 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-01 22:14:11,075 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-01 22:14:11,076 INFO L272 AbstractInterpreter]: Visited 253 different actions 1020 times. Merged at 11 different actions 40 times. Widened at 1 different actions 1 times. Performed 11967 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11967 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 13 fixpoints after 4 different actions. Largest state had 24 variables. [2018-12-01 22:14:11,077 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:14:11,077 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-01 22:14:11,077 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:14:11,077 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_48789734-139d-43d6-97ee-fb2f07c164de/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 [2018-12-01 22:14:11,083 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:14:11,083 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-01 22:14:11,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:14:11,205 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 22:14:11,504 INFO L134 CoverageAnalysis]: Checked inductivity of 2675 backedges. 1780 proven. 2 refuted. 0 times theorem prover too weak. 893 trivial. 0 not checked. [2018-12-01 22:14:11,504 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-01 22:14:11,921 INFO L134 CoverageAnalysis]: Checked inductivity of 2675 backedges. 810 proven. 223 refuted. 0 times theorem prover too weak. 1642 trivial. 0 not checked. [2018-12-01 22:14:11,937 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-01 22:14:11,938 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-01 22:14:11,938 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-01 22:14:11,938 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-01 22:14:11,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-01 22:14:11,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-12-01 22:14:11,939 INFO L87 Difference]: Start difference. First operand 5533 states and 6064 transitions. Second operand 9 states. [2018-12-01 22:14:13,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:14:13,356 INFO L93 Difference]: Finished difference Result 12122 states and 13488 transitions. [2018-12-01 22:14:13,356 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-01 22:14:13,356 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1085 [2018-12-01 22:14:13,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:14:13,366 INFO L225 Difference]: With dead ends: 12122 [2018-12-01 22:14:13,366 INFO L226 Difference]: Without dead ends: 7271 [2018-12-01 22:14:13,370 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2187 GetRequests, 2171 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2018-12-01 22:14:13,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7271 states. [2018-12-01 22:14:13,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7271 to 6903. [2018-12-01 22:14:13,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6903 states. [2018-12-01 22:14:13,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6903 states to 6903 states and 7510 transitions. [2018-12-01 22:14:13,427 INFO L78 Accepts]: Start accepts. Automaton has 6903 states and 7510 transitions. Word has length 1085 [2018-12-01 22:14:13,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:14:13,427 INFO L480 AbstractCegarLoop]: Abstraction has 6903 states and 7510 transitions. [2018-12-01 22:14:13,427 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-01 22:14:13,428 INFO L276 IsEmpty]: Start isEmpty. Operand 6903 states and 7510 transitions. [2018-12-01 22:14:13,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1087 [2018-12-01 22:14:13,439 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:14:13,439 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, 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, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-01 22:14:13,439 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:14:13,440 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:14:13,440 INFO L82 PathProgramCache]: Analyzing trace with hash 1769539528, now seen corresponding path program 1 times [2018-12-01 22:14:13,440 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:14:13,440 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:14:13,441 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:14:13,441 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:14:13,441 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:14:13,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:14:13,961 INFO L134 CoverageAnalysis]: Checked inductivity of 2681 backedges. 985 proven. 110 refuted. 0 times theorem prover too weak. 1586 trivial. 0 not checked. [2018-12-01 22:14:13,961 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:14:13,961 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-01 22:14:13,961 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1087 with the following transitions: [2018-12-01 22:14:13,962 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], [551], [553], [556], [564], [572], [580], [588], [596], [604], [612], [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], [836], [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], [964], [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], [1288], [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] [2018-12-01 22:14:13,964 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-01 22:14:13,964 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-01 22:14:14,402 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-01 22:14:14,402 INFO L272 AbstractInterpreter]: Visited 253 different actions 1017 times. Merged at 11 different actions 37 times. Never widened. Performed 11914 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11914 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 13 fixpoints after 4 different actions. Largest state had 24 variables. [2018-12-01 22:14:14,403 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:14:14,403 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-01 22:14:14,403 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:14:14,403 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_48789734-139d-43d6-97ee-fb2f07c164de/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 [2018-12-01 22:14:14,410 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:14:14,410 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-01 22:14:14,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:14:14,526 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 22:14:14,878 INFO L134 CoverageAnalysis]: Checked inductivity of 2681 backedges. 1533 proven. 2 refuted. 0 times theorem prover too weak. 1146 trivial. 0 not checked. [2018-12-01 22:14:14,878 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-01 22:14:15,288 INFO L134 CoverageAnalysis]: Checked inductivity of 2681 backedges. 985 proven. 110 refuted. 0 times theorem prover too weak. 1586 trivial. 0 not checked. [2018-12-01 22:14:15,303 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-01 22:14:15,304 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-01 22:14:15,304 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-01 22:14:15,304 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-01 22:14:15,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-01 22:14:15,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-12-01 22:14:15,305 INFO L87 Difference]: Start difference. First operand 6903 states and 7510 transitions. Second operand 9 states. [2018-12-01 22:14:17,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:14:17,404 INFO L93 Difference]: Finished difference Result 15681 states and 17891 transitions. [2018-12-01 22:14:17,405 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-01 22:14:17,405 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1086 [2018-12-01 22:14:17,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:14:17,423 INFO L225 Difference]: With dead ends: 15681 [2018-12-01 22:14:17,423 INFO L226 Difference]: Without dead ends: 9460 [2018-12-01 22:14:17,431 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2200 GetRequests, 2178 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=145, Invalid=317, Unknown=0, NotChecked=0, Total=462 [2018-12-01 22:14:17,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9460 states. [2018-12-01 22:14:17,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9460 to 8728. [2018-12-01 22:14:17,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8728 states. [2018-12-01 22:14:17,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8728 states to 8728 states and 9638 transitions. [2018-12-01 22:14:17,540 INFO L78 Accepts]: Start accepts. Automaton has 8728 states and 9638 transitions. Word has length 1086 [2018-12-01 22:14:17,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:14:17,540 INFO L480 AbstractCegarLoop]: Abstraction has 8728 states and 9638 transitions. [2018-12-01 22:14:17,541 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-01 22:14:17,541 INFO L276 IsEmpty]: Start isEmpty. Operand 8728 states and 9638 transitions. [2018-12-01 22:14:17,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1097 [2018-12-01 22:14:17,556 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:14:17,556 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, 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, 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, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:14:17,556 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:14:17,556 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:14:17,557 INFO L82 PathProgramCache]: Analyzing trace with hash 858810887, now seen corresponding path program 1 times [2018-12-01 22:14:17,557 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:14:17,557 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:14:17,557 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:14:17,557 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:14:17,558 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:14:17,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:14:18,159 INFO L134 CoverageAnalysis]: Checked inductivity of 2411 backedges. 884 proven. 110 refuted. 0 times theorem prover too weak. 1417 trivial. 0 not checked. [2018-12-01 22:14:18,159 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:14:18,160 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-01 22:14:18,160 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1097 with the following transitions: [2018-12-01 22:14:18,160 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], [551], [553], [556], [564], [572], [580], [588], [596], [604], [612], [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], [836], [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], [964], [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], [1176], [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], [1288], [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] [2018-12-01 22:14:18,162 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-01 22:14:18,162 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-01 22:14:18,660 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-01 22:14:18,660 INFO L272 AbstractInterpreter]: Visited 252 different actions 1008 times. Merged at 10 different actions 32 times. Never widened. Performed 11823 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11823 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 11 fixpoints after 5 different actions. Largest state had 24 variables. [2018-12-01 22:14:18,661 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:14:18,661 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-01 22:14:18,661 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:14:18,661 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_48789734-139d-43d6-97ee-fb2f07c164de/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 [2018-12-01 22:14:18,668 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:14:18,668 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-01 22:14:18,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:14:18,783 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 22:14:19,094 INFO L134 CoverageAnalysis]: Checked inductivity of 2411 backedges. 1366 proven. 2 refuted. 0 times theorem prover too weak. 1043 trivial. 0 not checked. [2018-12-01 22:14:19,094 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-01 22:14:19,515 INFO L134 CoverageAnalysis]: Checked inductivity of 2411 backedges. 884 proven. 110 refuted. 0 times theorem prover too weak. 1417 trivial. 0 not checked. [2018-12-01 22:14:19,530 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-01 22:14:19,531 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 11 [2018-12-01 22:14:19,531 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-01 22:14:19,531 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-01 22:14:19,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-01 22:14:19,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-12-01 22:14:19,532 INFO L87 Difference]: Start difference. First operand 8728 states and 9638 transitions. Second operand 10 states. [2018-12-01 22:14:20,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:14:20,841 INFO L93 Difference]: Finished difference Result 16373 states and 18107 transitions. [2018-12-01 22:14:20,841 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-01 22:14:20,841 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 1096 [2018-12-01 22:14:20,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:14:20,854 INFO L225 Difference]: With dead ends: 16373 [2018-12-01 22:14:20,854 INFO L226 Difference]: Without dead ends: 8664 [2018-12-01 22:14:20,863 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2223 GetRequests, 2199 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=139, Invalid=323, Unknown=0, NotChecked=0, Total=462 [2018-12-01 22:14:20,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8664 states. [2018-12-01 22:14:20,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8664 to 8299. [2018-12-01 22:14:20,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8299 states. [2018-12-01 22:14:20,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8299 states to 8299 states and 8920 transitions. [2018-12-01 22:14:20,932 INFO L78 Accepts]: Start accepts. Automaton has 8299 states and 8920 transitions. Word has length 1096 [2018-12-01 22:14:20,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:14:20,933 INFO L480 AbstractCegarLoop]: Abstraction has 8299 states and 8920 transitions. [2018-12-01 22:14:20,933 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-01 22:14:20,933 INFO L276 IsEmpty]: Start isEmpty. Operand 8299 states and 8920 transitions. [2018-12-01 22:14:20,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1118 [2018-12-01 22:14:20,941 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:14:20,941 INFO L402 BasicCegarLoop]: trace histogram [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, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:14:20,941 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:14:20,942 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:14:20,942 INFO L82 PathProgramCache]: Analyzing trace with hash -2086071539, now seen corresponding path program 1 times [2018-12-01 22:14:20,942 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:14:20,942 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:14:20,942 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:14:20,942 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:14:20,942 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:14:20,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:14:21,665 INFO L134 CoverageAnalysis]: Checked inductivity of 2041 backedges. 982 proven. 604 refuted. 0 times theorem prover too weak. 455 trivial. 0 not checked. [2018-12-01 22:14:21,665 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:14:21,665 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-01 22:14:21,666 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1118 with the following transitions: [2018-12-01 22:14:21,666 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], [551], [553], [556], [564], [572], [580], [588], [596], [604], [612], [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], [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], [1176], [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], [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] [2018-12-01 22:14:21,668 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-01 22:14:21,668 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-01 22:14:22,422 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-01 22:14:22,422 INFO L272 AbstractInterpreter]: Visited 285 different actions 1141 times. Merged at 8 different actions 33 times. Widened at 1 different actions 1 times. Performed 13761 root evaluator evaluations with a maximum evaluation depth of 22. Performed 13761 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 10 fixpoints after 5 different actions. Largest state had 24 variables. [2018-12-01 22:14:22,423 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:14:22,423 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-01 22:14:22,423 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:14:22,423 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_48789734-139d-43d6-97ee-fb2f07c164de/bin-2019/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-01 22:14:22,429 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:14:22,429 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-01 22:14:22,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:14:22,547 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 22:14:22,839 INFO L134 CoverageAnalysis]: Checked inductivity of 2041 backedges. 267 proven. 0 refuted. 0 times theorem prover too weak. 1774 trivial. 0 not checked. [2018-12-01 22:14:22,839 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-01 22:14:23,162 INFO L134 CoverageAnalysis]: Checked inductivity of 2041 backedges. 267 proven. 0 refuted. 0 times theorem prover too weak. 1774 trivial. 0 not checked. [2018-12-01 22:14:23,178 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-01 22:14:23,178 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 9 [2018-12-01 22:14:23,178 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:14:23,178 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 22:14:23,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 22:14:23,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-12-01 22:14:23,179 INFO L87 Difference]: Start difference. First operand 8299 states and 8920 transitions. Second operand 3 states. [2018-12-01 22:14:23,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:14:23,730 INFO L93 Difference]: Finished difference Result 15914 states and 17147 transitions. [2018-12-01 22:14:23,730 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 22:14:23,730 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1117 [2018-12-01 22:14:23,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:14:23,731 INFO L225 Difference]: With dead ends: 15914 [2018-12-01 22:14:23,731 INFO L226 Difference]: Without dead ends: 0 [2018-12-01 22:14:23,740 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2246 GetRequests, 2235 SyntacticMatches, 4 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-12-01 22:14:23,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-01 22:14:23,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-01 22:14:23,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-01 22:14:23,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-01 22:14:23,740 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1117 [2018-12-01 22:14:23,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:14:23,740 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-01 22:14:23,741 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 22:14:23,741 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-01 22:14:23,741 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 22:14:23,743 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-01 22:14:23,765 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:14:23,805 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:14:23,807 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:14:23,809 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:14:23,820 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:14:23,828 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:14:23,838 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:14:23,845 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:14:23,847 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:14:23,852 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 201 [2018-12-01 22:14:24,026 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:14:24,028 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:14:24,033 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:14:24,038 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:14:24,064 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:14:24,067 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:14:24,092 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:14:24,425 WARN L180 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 44 [2018-12-01 22:14:24,924 WARN L180 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 91 [2018-12-01 22:14:25,597 WARN L180 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 63 [2018-12-01 22:14:26,722 WARN L180 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 247 DAG size of output: 89 [2018-12-01 22:14:27,552 WARN L180 SmtUtils]: Spent 814.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 41 [2018-12-01 22:14:27,553 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-01 22:14:27,553 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)) [2018-12-01 22:14:27,553 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-01 22:14:27,553 INFO L448 ceAbstractionStarter]: For program point L1497(lines 1497 1763) no Hoare annotation was computed. [2018-12-01 22:14:27,553 INFO L448 ceAbstractionStarter]: For program point calculate_output2EXIT(lines 1494 1765) no Hoare annotation was computed. [2018-12-01 22:14:27,553 INFO L448 ceAbstractionStarter]: For program point L1687(lines 1687 1763) no Hoare annotation was computed. [2018-12-01 22:14:27,553 INFO L448 ceAbstractionStarter]: For program point L1704(lines 1704 1763) no Hoare annotation was computed. [2018-12-01 22:14:27,553 INFO L448 ceAbstractionStarter]: For program point L1638(lines 1638 1763) no Hoare annotation was computed. [2018-12-01 22:14:27,553 INFO L448 ceAbstractionStarter]: For program point L1663(lines 1663 1763) no Hoare annotation was computed. [2018-12-01 22:14:27,554 INFO L448 ceAbstractionStarter]: For program point L1597(lines 1597 1763) no Hoare annotation was computed. [2018-12-01 22:14:27,554 INFO L448 ceAbstractionStarter]: For program point L1721(lines 1721 1763) no Hoare annotation was computed. [2018-12-01 22:14:27,554 INFO L448 ceAbstractionStarter]: For program point L1622(lines 1622 1763) no Hoare annotation was computed. [2018-12-01 22:14:27,554 INFO L448 ceAbstractionStarter]: For program point L1746(lines 1746 1763) no Hoare annotation was computed. [2018-12-01 22:14:27,554 INFO L448 ceAbstractionStarter]: For program point L1515(lines 1515 1763) no Hoare annotation was computed. [2018-12-01 22:14:27,554 INFO L448 ceAbstractionStarter]: For program point L1573(lines 1573 1763) no Hoare annotation was computed. [2018-12-01 22:14:27,554 INFO L448 ceAbstractionStarter]: For program point L1540(lines 1540 1763) no Hoare annotation was computed. [2018-12-01 22:14:27,554 INFO L448 ceAbstractionStarter]: For program point L1656(lines 1656 1763) no Hoare annotation was computed. [2018-12-01 22:14:27,554 INFO L448 ceAbstractionStarter]: For program point L1739(lines 1739 1763) no Hoare annotation was computed. [2018-12-01 22:14:27,554 INFO L448 ceAbstractionStarter]: For program point L1566(lines 1566 1763) no Hoare annotation was computed. [2018-12-01 22:14:27,554 INFO L448 ceAbstractionStarter]: For program point L1591(lines 1591 1763) no Hoare annotation was computed. [2018-12-01 22:14:27,554 INFO L448 ceAbstractionStarter]: For program point L1715(lines 1715 1763) no Hoare annotation was computed. [2018-12-01 22:14:27,554 INFO L448 ceAbstractionStarter]: For program point L1682(lines 1682 1763) no Hoare annotation was computed. [2018-12-01 22:14:27,554 INFO L448 ceAbstractionStarter]: For program point L1616(lines 1616 1763) no Hoare annotation was computed. [2018-12-01 22:14:27,554 INFO L448 ceAbstractionStarter]: For program point L1699(lines 1699 1763) no Hoare annotation was computed. [2018-12-01 22:14:27,554 INFO L448 ceAbstractionStarter]: For program point L1633(lines 1633 1763) no Hoare annotation was computed. [2018-12-01 22:14:27,554 INFO L448 ceAbstractionStarter]: For program point L1534(lines 1534 1763) no Hoare annotation was computed. [2018-12-01 22:14:27,554 INFO L448 ceAbstractionStarter]: For program point L1757(lines 1757 1763) no Hoare annotation was computed. [2018-12-01 22:14:27,554 INFO L448 ceAbstractionStarter]: For program point L1559(lines 1559 1763) no Hoare annotation was computed. [2018-12-01 22:14:27,554 INFO L448 ceAbstractionStarter]: For program point L1675(lines 1675 1763) no Hoare annotation was computed. [2018-12-01 22:14:27,554 INFO L448 ceAbstractionStarter]: For program point L1609(lines 1609 1763) no Hoare annotation was computed. [2018-12-01 22:14:27,554 INFO L448 ceAbstractionStarter]: For program point L1510(lines 1510 1763) no Hoare annotation was computed. [2018-12-01 22:14:27,554 INFO L448 ceAbstractionStarter]: For program point L1733(lines 1733 1763) no Hoare annotation was computed. [2018-12-01 22:14:27,555 INFO L444 ceAbstractionStarter]: At program point calculate_output2ENTRY(lines 1494 1765) the Hoare annotation is: (let ((.cse10 (= |old(~a16~0)| ~a16~0)) (.cse11 (= |old(~a15~0)| ~a15~0)) (.cse12 (= |old(~a12~0)| ~a12~0)) (.cse9 (= 3 |old(~a15~0)|)) (.cse8 (= 5 |old(~a12~0)|))) (let ((.cse0 (and .cse9 .cse8 (= 8 |old(~a16~0)|))) (.cse5 (and .cse10 .cse11 .cse12)) (.cse6 (< |old(~a15~0)| 4)) (.cse4 (= 4 |old(~a15~0)|)) (.cse3 (and (and .cse10 .cse11) .cse12)) (.cse1 (not .cse9)) (.cse2 (not .cse8))) (and (or (or .cse0 (or .cse1 .cse2)) .cse3) (or (or .cse0 (= 9 |old(~a16~0)|) .cse4) .cse5) (or .cse5 (< 7 |old(~a12~0)|) .cse6) (or (= 10 |old(~a16~0)|) .cse5 .cse6) (or (or (< |old(~a12~0)| 7) .cse4) .cse3) (or (let ((.cse7 (not (= (+ |old(~a18~0)| 87) 0)))) (and (or .cse1 .cse7 (not (= 6 |old(~a12~0)|))) (or .cse1 .cse2 .cse7))) (not (= 11 |old(~a16~0)|)) (= (+ ~a18~0 87) 0))))) [2018-12-01 22:14:27,555 INFO L448 ceAbstractionStarter]: For program point L1527(lines 1527 1763) no Hoare annotation was computed. [2018-12-01 22:14:27,555 INFO L448 ceAbstractionStarter]: For program point L1651(lines 1651 1763) no Hoare annotation was computed. [2018-12-01 22:14:27,555 INFO L448 ceAbstractionStarter]: For program point L1585(lines 1585 1763) no Hoare annotation was computed. [2018-12-01 22:14:27,555 INFO L448 ceAbstractionStarter]: For program point L1709(lines 1709 1763) no Hoare annotation was computed. [2018-12-01 22:14:27,555 INFO L448 ceAbstractionStarter]: For program point L1503(lines 1503 1763) no Hoare annotation was computed. [2018-12-01 22:14:27,555 INFO L448 ceAbstractionStarter]: For program point L1693(lines 1693 1763) no Hoare annotation was computed. [2018-12-01 22:14:27,555 INFO L448 ceAbstractionStarter]: For program point L1553(lines 1553 1763) no Hoare annotation was computed. [2018-12-01 22:14:27,555 INFO L448 ceAbstractionStarter]: For program point calculate_output2FINAL(lines 1494 1765) no Hoare annotation was computed. [2018-12-01 22:14:27,555 INFO L448 ceAbstractionStarter]: For program point L1669(lines 1669 1763) no Hoare annotation was computed. [2018-12-01 22:14:27,555 INFO L448 ceAbstractionStarter]: For program point L1603(lines 1603 1763) no Hoare annotation was computed. [2018-12-01 22:14:27,555 INFO L448 ceAbstractionStarter]: For program point L1727(lines 1727 1763) no Hoare annotation was computed. [2018-12-01 22:14:27,555 INFO L448 ceAbstractionStarter]: For program point L1628(lines 1628 1763) no Hoare annotation was computed. [2018-12-01 22:14:27,555 INFO L448 ceAbstractionStarter]: For program point L1752(lines 1752 1763) no Hoare annotation was computed. [2018-12-01 22:14:27,555 INFO L448 ceAbstractionStarter]: For program point L1521(lines 1521 1763) no Hoare annotation was computed. [2018-12-01 22:14:27,555 INFO L448 ceAbstractionStarter]: For program point L1645(lines 1645 1763) no Hoare annotation was computed. [2018-12-01 22:14:27,555 INFO L448 ceAbstractionStarter]: For program point L1579(lines 1579 1763) no Hoare annotation was computed. [2018-12-01 22:14:27,555 INFO L448 ceAbstractionStarter]: For program point L1546(lines 1546 1763) no Hoare annotation was computed. [2018-12-01 22:14:27,555 INFO L448 ceAbstractionStarter]: For program point L894(lines 894 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,555 INFO L448 ceAbstractionStarter]: For program point L828(lines 828 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,555 INFO L448 ceAbstractionStarter]: For program point L696(lines 696 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,555 INFO L448 ceAbstractionStarter]: For program point L1291(lines 1291 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,555 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:14:27,555 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:14:27,556 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:14:27,556 INFO L448 ceAbstractionStarter]: For program point L961(lines 961 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,556 INFO L448 ceAbstractionStarter]: For program point L763(lines 763 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,556 INFO L448 ceAbstractionStarter]: For program point L631(lines 631 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,556 INFO L448 ceAbstractionStarter]: For program point L367(lines 367 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,556 INFO L448 ceAbstractionStarter]: For program point L1358(lines 1358 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,556 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,556 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-12-01 22:14:27,556 INFO L448 ceAbstractionStarter]: For program point L1160(lines 1160 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,556 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-12-01 22:14:27,556 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-12-01 22:14:27,556 INFO L444 ceAbstractionStarter]: At program point L1491(line 1491) the Hoare annotation is: (let ((.cse9 (= |old(~a16~0)| ~a16~0)) (.cse10 (= |old(~a15~0)| ~a15~0)) (.cse1 (= |old(~a12~0)| ~a12~0))) (let ((.cse0 (not (= calculate_output_~input 0))) (.cse4 (= |calculate_output_#in~input| 0)) (.cse2 (not (= 3 |old(~a15~0)|))) (.cse3 (not (= 5 |old(~a12~0)|))) (.cse5 (not (= 11 |old(~a16~0)|))) (.cse8 (and .cse9 .cse10 .cse1)) (.cse6 (or (= 9 |old(~a16~0)|) (= 4 |old(~a15~0)|)))) (and (or (and .cse0 (= ~a16~0 |old(~a16~0)|) (= ~a15~0 |old(~a15~0)|) .cse1) (or .cse2 .cse3 (= 0 |old(~a16~0)|) .cse4)) (or .cse0 (or .cse2 (= 0 |old(~a12~0)|) .cse4) .cse5) (or .cse6 (let ((.cse7 (not (= ~a15~0 3)))) (and (or (not (= 11 ~a16~0)) (not (= calculate_output_~input 3)) (not (= 7 |old(~a12~0)|)) .cse7 (< 0 (+ ~a18~0 79))) (or (not (= 5 ~a12~0)) (not (= 8 ~a16~0)) .cse7)))) (or .cse4 (and (or .cse2 (not (= 6 |old(~a12~0)|)) .cse5) (or .cse2 .cse3 .cse5)) (not (= (+ |old(~a18~0)| 87) 0)) (= (+ ~a18~0 87) 0)) (or .cse8 (< 7 |old(~a12~0)|) (< |old(~a15~0)| 4)) (or (< |old(~a12~0)| 7) (= 10 |old(~a16~0)|) .cse8) (or (and (and .cse9 .cse10) .cse1) .cse6)))) [2018-12-01 22:14:27,556 INFO L448 ceAbstractionStarter]: For program point L434(lines 434 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,556 INFO L448 ceAbstractionStarter]: For program point L1491-1(line 1491) no Hoare annotation was computed. [2018-12-01 22:14:27,556 INFO L448 ceAbstractionStarter]: For program point L1227(lines 1227 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,556 INFO L448 ceAbstractionStarter]: For program point L567(lines 567 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,556 INFO L448 ceAbstractionStarter]: For program point L501(lines 501 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,556 INFO L448 ceAbstractionStarter]: For program point L303(lines 303 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,556 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:14:27,556 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:14:27,556 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:14:27,556 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-12-01 22:14:27,556 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-12-01 22:14:27,557 INFO L448 ceAbstractionStarter]: For program point L1097(lines 1097 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,557 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-12-01 22:14:27,557 INFO L448 ceAbstractionStarter]: For program point L1031(lines 1031 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,557 INFO L448 ceAbstractionStarter]: For program point L899(lines 899 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,557 INFO L448 ceAbstractionStarter]: For program point L1428(lines 1428 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,557 INFO L448 ceAbstractionStarter]: For program point L834(lines 834 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,557 INFO L448 ceAbstractionStarter]: For program point L636(lines 636 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,557 INFO L448 ceAbstractionStarter]: For program point L1297(lines 1297 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,557 INFO L448 ceAbstractionStarter]: For program point L240(lines 240 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,557 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:14:27,557 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:14:27,557 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:14:27,557 INFO L448 ceAbstractionStarter]: For program point L967(lines 967 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,557 INFO L448 ceAbstractionStarter]: For program point L769(lines 769 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,557 INFO L448 ceAbstractionStarter]: For program point L703(lines 703 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,557 INFO L448 ceAbstractionStarter]: For program point L373(lines 373 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,557 INFO L448 ceAbstractionStarter]: For program point L1364(lines 1364 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,557 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-12-01 22:14:27,557 INFO L448 ceAbstractionStarter]: For program point L1166(lines 1166 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,557 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-12-01 22:14:27,557 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-12-01 22:14:27,557 INFO L448 ceAbstractionStarter]: For program point L440(lines 440 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,557 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,557 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,557 INFO L448 ceAbstractionStarter]: For program point L1234(lines 1234 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,557 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:14:27,558 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:14:27,558 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:14:27,558 INFO L448 ceAbstractionStarter]: For program point L1036(lines 1036 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,558 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,558 INFO L448 ceAbstractionStarter]: For program point L508(lines 508 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,558 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-12-01 22:14:27,558 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-12-01 22:14:27,558 INFO L448 ceAbstractionStarter]: For program point L1103(lines 1103 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,558 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-12-01 22:14:27,558 INFO L448 ceAbstractionStarter]: For program point L905(lines 905 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,558 INFO L448 ceAbstractionStarter]: For program point L641(lines 641 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,558 INFO L448 ceAbstractionStarter]: For program point L443(lines 443 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,558 INFO L448 ceAbstractionStarter]: For program point L1434(lines 1434 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,558 INFO L448 ceAbstractionStarter]: For program point L840(lines 840 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,558 INFO L448 ceAbstractionStarter]: For program point L1303(lines 1303 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,558 INFO L448 ceAbstractionStarter]: For program point L246(lines 246 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,558 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:14:27,558 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:14:27,558 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:14:27,558 INFO L448 ceAbstractionStarter]: For program point L775(lines 775 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,558 INFO L448 ceAbstractionStarter]: For program point L1370(lines 1370 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,558 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-12-01 22:14:27,558 INFO L448 ceAbstractionStarter]: For program point L1172(lines 1172 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,558 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-12-01 22:14:27,558 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-12-01 22:14:27,558 INFO L448 ceAbstractionStarter]: For program point L974(lines 974 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,559 INFO L448 ceAbstractionStarter]: For program point L578(lines 578 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,559 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,559 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,559 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:14:27,559 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:14:27,559 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:14:27,559 INFO L448 ceAbstractionStarter]: For program point L1042(lines 1042 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,559 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:14:27,559 INFO L448 ceAbstractionStarter]: For program point L778(lines 778 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,559 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,559 INFO L448 ceAbstractionStarter]: For program point L1241(lines 1241 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,559 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-12-01 22:14:27,559 INFO L448 ceAbstractionStarter]: For program point L1175(lines 1175 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,559 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-12-01 22:14:27,559 INFO L448 ceAbstractionStarter]: For program point L1109(lines 1109 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,559 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-12-01 22:14:27,559 INFO L448 ceAbstractionStarter]: For program point L515(lines 515 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,559 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,559 INFO L448 ceAbstractionStarter]: For program point L1440(lines 1440 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,559 INFO L448 ceAbstractionStarter]: For program point L912(lines 912 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,559 INFO L448 ceAbstractionStarter]: For program point L846(lines 846 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,559 INFO L448 ceAbstractionStarter]: For program point L648(lines 648 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,559 INFO L448 ceAbstractionStarter]: For program point L1375(lines 1375 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,560 INFO L448 ceAbstractionStarter]: For program point L1309(lines 1309 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,560 INFO L448 ceAbstractionStarter]: For program point L252(lines 252 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,560 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:14:27,560 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:14:27,560 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:14:27,560 INFO L448 ceAbstractionStarter]: For program point L979(lines 979 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,560 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-12-01 22:14:27,560 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-12-01 22:14:27,560 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-12-01 22:14:27,560 INFO L448 ceAbstractionStarter]: For program point L584(lines 584 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,560 INFO L448 ceAbstractionStarter]: For program point L386(lines 386 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,560 INFO L448 ceAbstractionStarter]: For program point L717(lines 717 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,560 INFO L448 ceAbstractionStarter]: For program point L321(lines 321 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,560 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:14:27,560 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:14:27,560 INFO L448 ceAbstractionStarter]: For program point L1114(lines 1114 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,560 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:14:27,560 INFO L448 ceAbstractionStarter]: For program point L1048(lines 1048 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,560 INFO L448 ceAbstractionStarter]: For program point L784(lines 784 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,560 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,560 INFO L448 ceAbstractionStarter]: For program point L1247(lines 1247 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,560 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-12-01 22:14:27,560 INFO L448 ceAbstractionStarter]: For program point L1181(lines 1181 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,560 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-12-01 22:14:27,560 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-12-01 22:14:27,560 INFO L448 ceAbstractionStarter]: For program point L917(lines 917 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,560 INFO L448 ceAbstractionStarter]: For program point L851(lines 851 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,561 INFO L448 ceAbstractionStarter]: For program point L521(lines 521 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,561 INFO L448 ceAbstractionStarter]: For program point L1446(lines 1446 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,561 INFO L448 ceAbstractionStarter]: For program point L1314(lines 1314 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,561 INFO L448 ceAbstractionStarter]: For program point L257(lines 257 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,561 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 23 1492) the Hoare annotation is: (let ((.cse5 (not (= 3 |old(~a15~0)|))) (.cse6 (not (= 5 |old(~a12~0)|))) (.cse7 (not (= (+ |old(~a18~0)| 87) 0))) (.cse8 (not (= 11 |old(~a16~0)|))) (.cse10 (= |old(~a16~0)| ~a16~0)) (.cse11 (= |old(~a15~0)| ~a15~0)) (.cse12 (= |old(~a12~0)| ~a12~0))) (let ((.cse3 (= 9 |old(~a16~0)|)) (.cse9 (= (+ ~a18~0 87) 0)) (.cse13 (= 10 |old(~a16~0)|)) (.cse4 (and .cse10 .cse11 .cse12)) (.cse1 (<= (+ ~a18~0 156) 0)) (.cse0 (and (or (not (= 8 |old(~a16~0)|)) .cse5 .cse6) (or .cse5 .cse6 .cse7 .cse8))) (.cse2 (= |calculate_output_#in~input| 0))) (and (or .cse0 (or .cse1 (< 0 (+ ~a18~0 79))) (<= (+ |old(~a18~0)| 79) 0) .cse2) (or .cse3 .cse4 (< 7 |old(~a12~0)|)) (or .cse4 (or .cse3 (= 4 |old(~a15~0)|))) (or (or .cse5 .cse6 .cse7 .cse8 .cse2) .cse9) (or .cse2 .cse9 (or .cse5 (not (= 6 |old(~a12~0)|)) .cse8) .cse7) (or (and (and .cse10 .cse11) .cse12) (or (< |old(~a12~0)| 7) .cse13)) (or .cse13 .cse4 (< |old(~a15~0)| 4)) (or (and (= ~a16~0 |old(~a16~0)|) (= ~a15~0 |old(~a15~0)|) .cse12) (or .cse5 .cse6 .cse2)) (or (or .cse1 (< 134 ~a18~0)) .cse0 (and (<= |old(~a18~0)| 134) (< 0 (+ |old(~a18~0)| 156))) .cse2)))) [2018-12-01 22:14:27,561 INFO L448 ceAbstractionStarter]: For program point L1381(lines 1381 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,561 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:14:27,561 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:14:27,561 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:14:27,561 INFO L448 ceAbstractionStarter]: For program point L655(lines 655 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,561 INFO L448 ceAbstractionStarter]: For program point L589(lines 589 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,561 INFO L448 ceAbstractionStarter]: For program point L457(lines 457 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,561 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,561 INFO L448 ceAbstractionStarter]: For program point L1250(lines 1250 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,561 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-12-01 22:14:27,561 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-12-01 22:14:27,561 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-12-01 22:14:27,561 INFO L448 ceAbstractionStarter]: For program point L986(lines 986 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,561 INFO L448 ceAbstractionStarter]: For program point L1449(lines 1449 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,561 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,561 INFO L448 ceAbstractionStarter]: For program point L723(lines 723 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,561 INFO L448 ceAbstractionStarter]: For program point L327(lines 327 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,561 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:14:27,562 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:14:27,562 INFO L448 ceAbstractionStarter]: For program point L1120(lines 1120 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,562 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:14:27,562 INFO L448 ceAbstractionStarter]: For program point L922(lines 922 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,562 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,562 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-12-01 22:14:27,562 INFO L448 ceAbstractionStarter]: For program point L1187(lines 1187 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,562 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-01 22:14:27,562 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-12-01 22:14:27,562 INFO L448 ceAbstractionStarter]: For program point L1055(lines 1055 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,562 INFO L448 ceAbstractionStarter]: For program point L857(lines 857 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,562 INFO L448 ceAbstractionStarter]: For program point L527(lines 527 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,562 INFO L448 ceAbstractionStarter]: For program point L1386(lines 1386 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,562 INFO L448 ceAbstractionStarter]: For program point L594(lines 594 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,562 INFO L448 ceAbstractionStarter]: For program point L1321(lines 1321 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,562 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:14:27,562 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:14:27,562 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:14:27,562 INFO L448 ceAbstractionStarter]: For program point L661(lines 661 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,562 INFO L448 ceAbstractionStarter]: For program point L463(lines 463 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,562 INFO L448 ceAbstractionStarter]: For program point L1256(lines 1256 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,562 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-12-01 22:14:27,562 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-12-01 22:14:27,562 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-12-01 22:14:27,562 INFO L448 ceAbstractionStarter]: For program point L728(lines 728 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,562 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,563 INFO L448 ceAbstractionStarter]: For program point L1125(lines 1125 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,563 INFO L448 ceAbstractionStarter]: For program point L993(lines 993 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,563 INFO L448 ceAbstractionStarter]: For program point L1456(lines 1456 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,563 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,563 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:14:27,563 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:14:27,563 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:14:27,563 INFO L448 ceAbstractionStarter]: For program point L796(lines 796 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,563 INFO L448 ceAbstractionStarter]: For program point L664(lines 664 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,563 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,563 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-12-01 22:14:27,563 INFO L448 ceAbstractionStarter]: For program point L1193(lines 1193 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,563 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-12-01 22:14:27,563 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-12-01 22:14:27,563 INFO L448 ceAbstractionStarter]: For program point L1061(lines 1061 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,563 INFO L448 ceAbstractionStarter]: For program point L929(lines 929 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,563 INFO L448 ceAbstractionStarter]: For program point L863(lines 863 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,563 INFO L448 ceAbstractionStarter]: For program point L533(lines 533 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,563 INFO L448 ceAbstractionStarter]: For program point L1392(lines 1392 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,563 INFO L448 ceAbstractionStarter]: For program point L600(lines 600 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,563 INFO L448 ceAbstractionStarter]: For program point L1327(lines 1327 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,563 INFO L448 ceAbstractionStarter]: For program point L204-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:14:27,563 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:14:27,563 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:14:27,563 INFO L448 ceAbstractionStarter]: For program point L469(lines 469 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,564 INFO L448 ceAbstractionStarter]: For program point L1262(lines 1262 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,564 INFO L448 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2018-12-01 22:14:27,564 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-01 22:14:27,564 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-12-01 22:14:27,564 INFO L448 ceAbstractionStarter]: For program point L734(lines 734 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,564 INFO L448 ceAbstractionStarter]: For program point L1461(lines 1461 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,564 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,564 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,564 INFO L448 ceAbstractionStarter]: For program point L1131(lines 1131 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,564 INFO L448 ceAbstractionStarter]: For program point L999(lines 999 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,564 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:14:27,564 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:14:27,564 INFO L448 ceAbstractionStarter]: For program point L802(lines 802 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,564 INFO L448 ceAbstractionStarter]: For program point L670(lines 670 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,564 INFO L448 ceAbstractionStarter]: For program point L538(lines 538 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,564 INFO L448 ceAbstractionStarter]: For program point L1397(lines 1397 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,564 INFO L448 ceAbstractionStarter]: For program point L274(lines 274 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,564 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-12-01 22:14:27,564 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-12-01 22:14:27,564 INFO L448 ceAbstractionStarter]: For program point L1067(lines 1067 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,564 INFO L448 ceAbstractionStarter]: For program point L935(lines 935 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,564 INFO L448 ceAbstractionStarter]: For program point L869(lines 869 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,564 INFO L448 ceAbstractionStarter]: For program point L1200(lines 1200 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,564 INFO L448 ceAbstractionStarter]: For program point L606(lines 606 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,564 INFO L448 ceAbstractionStarter]: For program point L1267(lines 1267 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,565 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:14:27,565 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:14:27,565 INFO L448 ceAbstractionStarter]: For program point L1466(lines 1466 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,565 INFO L448 ceAbstractionStarter]: For program point L1334(lines 1334 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,565 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-12-01 22:14:27,565 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-12-01 22:14:27,565 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,565 INFO L448 ceAbstractionStarter]: For program point L1137(lines 1137 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,565 INFO L448 ceAbstractionStarter]: For program point L1005(lines 1005 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,565 INFO L448 ceAbstractionStarter]: For program point L741(lines 741 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,565 INFO L448 ceAbstractionStarter]: For program point L543(lines 543 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,565 INFO L448 ceAbstractionStarter]: For program point L411(lines 411 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,565 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,565 INFO L448 ceAbstractionStarter]: For program point L279(lines 279 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,565 INFO L448 ceAbstractionStarter]: For program point L213(lines 213 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,565 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:14:27,565 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:14:27,565 INFO L448 ceAbstractionStarter]: For program point L808(lines 808 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,565 INFO L448 ceAbstractionStarter]: For program point L1403(lines 1403 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,565 INFO L448 ceAbstractionStarter]: For program point L1205(lines 1205 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,565 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-12-01 22:14:27,565 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-12-01 22:14:27,565 INFO L448 ceAbstractionStarter]: For program point L1073(lines 1073 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,566 INFO L448 ceAbstractionStarter]: For program point L875(lines 875 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,566 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,566 INFO L448 ceAbstractionStarter]: For program point L942(lines 942 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,566 INFO L448 ceAbstractionStarter]: For program point L612(lines 612 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,566 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:14:27,566 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:14:27,566 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:14:27,566 INFO L448 ceAbstractionStarter]: For program point L1472(lines 1472 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,566 INFO L448 ceAbstractionStarter]: For program point L1274(lines 1274 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,566 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-12-01 22:14:27,566 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-12-01 22:14:27,566 INFO L448 ceAbstractionStarter]: For program point L746(lines 746 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,566 INFO L448 ceAbstractionStarter]: For program point L680(lines 680 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,566 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,566 INFO L448 ceAbstractionStarter]: For program point L350(lines 350 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,567 INFO L448 ceAbstractionStarter]: For program point L1341(lines 1341 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,567 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,567 INFO L448 ceAbstractionStarter]: For program point L1143(lines 1143 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,567 INFO L448 ceAbstractionStarter]: For program point L1011(lines 1011 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,567 INFO L448 ceAbstractionStarter]: For program point L483(lines 483 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,567 INFO L448 ceAbstractionStarter]: For program point L417(lines 417 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,567 INFO L448 ceAbstractionStarter]: For program point L285(lines 285 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,567 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:14:27,567 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:14:27,567 INFO L448 ceAbstractionStarter]: For program point L1409(lines 1409 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,567 INFO L448 ceAbstractionStarter]: For program point L1211(lines 1211 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,567 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-01 22:14:27,567 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-12-01 22:14:27,567 INFO L448 ceAbstractionStarter]: For program point L1079(lines 1079 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,567 INFO L448 ceAbstractionStarter]: For program point L815(lines 815 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,567 INFO L448 ceAbstractionStarter]: For program point L948(lines 948 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,568 INFO L448 ceAbstractionStarter]: For program point L882(lines 882 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,568 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 163) no Hoare annotation was computed. [2018-12-01 22:14:27,568 INFO L448 ceAbstractionStarter]: For program point L618(lines 618 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,568 INFO L448 ceAbstractionStarter]: For program point L1477(lines 1477 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,568 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:14:27,568 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:14:27,568 INFO L448 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2018-12-01 22:14:27,568 INFO L448 ceAbstractionStarter]: For program point L24-2(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:14:27,568 INFO L448 ceAbstractionStarter]: For program point L1280(lines 1280 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,568 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,568 INFO L448 ceAbstractionStarter]: For program point L1214(lines 1214 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,568 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-12-01 22:14:27,568 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-12-01 22:14:27,568 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-12-01 22:14:27,568 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,569 INFO L448 ceAbstractionStarter]: For program point L686(lines 686 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,569 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,569 INFO L448 ceAbstractionStarter]: For program point L356(lines 356 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,569 INFO L448 ceAbstractionStarter]: For program point L1347(lines 1347 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,569 INFO L448 ceAbstractionStarter]: For program point L290(lines 290 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,569 INFO L448 ceAbstractionStarter]: For program point L1149(lines 1149 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,569 INFO L448 ceAbstractionStarter]: For program point L489(lines 489 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,569 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:14:27,569 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:14:27,569 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:14:27,569 INFO L448 ceAbstractionStarter]: For program point L1018(lines 1018 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,569 INFO L448 ceAbstractionStarter]: For program point L424(lines 424 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,569 INFO L448 ceAbstractionStarter]: For program point L1415(lines 1415 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,569 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-12-01 22:14:27,569 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-12-01 22:14:27,570 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-12-01 22:14:27,570 INFO L448 ceAbstractionStarter]: For program point L1086(lines 1086 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,570 INFO L448 ceAbstractionStarter]: For program point L954(lines 954 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,570 INFO L448 ceAbstractionStarter]: For program point L888(lines 888 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,570 INFO L448 ceAbstractionStarter]: For program point L822(lines 822 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,570 INFO L448 ceAbstractionStarter]: For program point L624(lines 624 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,570 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:14:27,570 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:14:27,570 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:14:27,570 INFO L448 ceAbstractionStarter]: For program point L691(lines 691 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,570 INFO L448 ceAbstractionStarter]: For program point L1484(lines 1484 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,570 INFO L448 ceAbstractionStarter]: For program point L427(lines 427 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,570 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,570 INFO L448 ceAbstractionStarter]: For program point L1286(lines 1286 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,570 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,571 INFO L448 ceAbstractionStarter]: For program point L1220(lines 1220 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,571 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-12-01 22:14:27,571 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-12-01 22:14:27,571 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-12-01 22:14:27,571 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,571 INFO L448 ceAbstractionStarter]: For program point L560(lines 560 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,571 INFO L448 ceAbstractionStarter]: For program point L1353(lines 1353 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,571 INFO L448 ceAbstractionStarter]: For program point L1155(lines 1155 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,571 INFO L448 ceAbstractionStarter]: For program point L495(lines 495 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,571 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,571 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:14:27,571 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:14:27,571 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:14:27,571 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-12-01 22:14:27,572 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-12-01 22:14:27,572 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-12-01 22:14:27,572 INFO L448 ceAbstractionStarter]: For program point L1025(lines 1025 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,572 INFO L448 ceAbstractionStarter]: For program point L1422(lines 1422 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,572 INFO L448 ceAbstractionStarter]: For program point L1092(lines 1092 1490) no Hoare annotation was computed. [2018-12-01 22:14:27,572 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-01 22:14:27,572 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)) [2018-12-01 22:14:27,572 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-01 22:14:27,572 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-01 22:14:27,572 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 (= (+ |old(~a18~0)| 87) 0)) (and (= (+ ~a18~0 87) 0) (= ~a16~0 |old(~a16~0)|) (= 3 ~a15~0) (= |old(~a12~0)| ~a12~0)) (not (= 11 |old(~a16~0)|))) [2018-12-01 22:14:27,572 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 1767 1783) no Hoare annotation was computed. [2018-12-01 22:14:27,572 INFO L444 ceAbstractionStarter]: At program point L1781(line 1781) the Hoare annotation is: (or (not (= 11 |old(~a16~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (and (<= 7 ~a12~0) (not (= ~a15~0 4))) (and (not (= ~a16~0 9)) (<= ~a12~0 7)) (not (= 3 |old(~a15~0)|)) (not (= 5 |old(~a12~0)|)) (and (not (= main_~input~0 0)) (= ~a15~0 3) (= ~a12~0 5)) (and (not (= ~a16~0 10)) (<= 4 ~a15~0))) [2018-12-01 22:14:27,573 INFO L448 ceAbstractionStarter]: For program point L1781-1(line 1781) no Hoare annotation was computed. [2018-12-01 22:14:27,573 INFO L448 ceAbstractionStarter]: For program point L1778(line 1778) no Hoare annotation was computed. [2018-12-01 22:14:27,573 INFO L444 ceAbstractionStarter]: At program point L1773-2(lines 1773 1782) the Hoare annotation is: (or (and (= ~a15~0 3) (= ~a12~0 5)) (not (= 11 |old(~a16~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (and (<= 7 ~a12~0) (not (= ~a15~0 4))) (and (not (= ~a16~0 9)) (<= ~a12~0 7)) (not (= 3 |old(~a15~0)|)) (not (= 5 |old(~a12~0)|)) (and (not (= ~a16~0 10)) (<= 4 ~a15~0))) [2018-12-01 22:14:27,573 INFO L448 ceAbstractionStarter]: For program point L1773-3(lines 1767 1783) no Hoare annotation was computed. [2018-12-01 22:14:27,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 10:14:27 BoogieIcfgContainer [2018-12-01 22:14:27,582 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-01 22:14:27,583 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 22:14:27,583 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 22:14:27,583 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 22:14:27,583 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:09:29" (3/4) ... [2018-12-01 22:14:27,586 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 22:14:27,591 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-01 22:14:27,591 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output2 [2018-12-01 22:14:27,591 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-01 22:14:27,592 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-01 22:14:27,607 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-12-01 22:14:27,609 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-01 22:14:27,632 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((a15 == 3 && a12 == 5) || !(11 == \old(a16))) || !(\old(a18) + 87 == 0)) || (7 <= a12 && !(a15 == 4))) || (!(a16 == 9) && a12 <= 7)) || !(3 == \old(a15))) || !(5 == \old(a12))) || (!(a16 == 10) && 4 <= a15) [2018-12-01 22:14:27,725 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_48789734-139d-43d6-97ee-fb2f07c164de/bin-2019/utaipan/witness.graphml [2018-12-01 22:14:27,726 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 22:14:27,726 INFO L168 Benchmark]: Toolchain (without parser) took 299877.12 ms. Allocated memory was 1.0 GB in the beginning and 5.2 GB in the end (delta: 4.2 GB). Free memory was 950.6 MB in the beginning and 4.0 GB in the end (delta: -3.1 GB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-12-01 22:14:27,727 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 22:14:27,727 INFO L168 Benchmark]: CACSL2BoogieTranslator took 559.97 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -114.7 MB). Peak memory consumption was 73.3 MB. Max. memory is 11.5 GB. [2018-12-01 22:14:27,727 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.96 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. [2018-12-01 22:14:27,728 INFO L168 Benchmark]: Boogie Preprocessor took 58.97 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. [2018-12-01 22:14:27,728 INFO L168 Benchmark]: RCFGBuilder took 1324.99 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 803.4 MB in the end (delta: 247.3 MB). Peak memory consumption was 247.3 MB. Max. memory is 11.5 GB. [2018-12-01 22:14:27,728 INFO L168 Benchmark]: TraceAbstraction took 297761.96 ms. Allocated memory was 1.1 GB in the beginning and 5.2 GB in the end (delta: 4.1 GB). Free memory was 803.4 MB in the beginning and 4.1 GB in the end (delta: -3.3 GB). Peak memory consumption was 4.1 GB. Max. memory is 11.5 GB. [2018-12-01 22:14:27,728 INFO L168 Benchmark]: Witness Printer took 143.00 ms. Allocated memory is still 5.2 GB. Free memory was 4.1 GB in the beginning and 4.0 GB in the end (delta: 79.3 MB). Peak memory consumption was 79.3 MB. Max. memory is 11.5 GB. [2018-12-01 22:14:27,729 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 559.97 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -114.7 MB). Peak memory consumption was 73.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.96 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 58.97 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1324.99 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 803.4 MB in the end (delta: 247.3 MB). Peak memory consumption was 247.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 297761.96 ms. Allocated memory was 1.1 GB in the beginning and 5.2 GB in the end (delta: 4.1 GB). Free memory was 803.4 MB in the beginning and 4.1 GB in the end (delta: -3.3 GB). Peak memory consumption was 4.1 GB. Max. memory is 11.5 GB. * Witness Printer took 143.00 ms. Allocated memory is still 5.2 GB. Free memory was 4.1 GB in the beginning and 4.0 GB in the end (delta: 79.3 MB). Peak memory consumption was 79.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 163]: 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: (((((((a15 == 3 && a12 == 5) || !(11 == \old(a16))) || !(\old(a18) + 87 == 0)) || (7 <= a12 && !(a15 == 4))) || (!(a16 == 9) && a12 <= 7)) || !(3 == \old(a15))) || !(5 == \old(a12))) || (!(a16 == 10) && 4 <= a15) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 409 locations, 1 error locations. SAFE Result, 297.7s OverallTime, 13 OverallIterations, 8 TraceHistogramMax, 278.0s AutomataDifference, 0.0s DeadEndRemovalTime, 3.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 1761 SDtfs, 25946 SDslu, 1313 SDs, 0 SdLazy, 32858 SolverSat, 6821 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 256.8s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 13615 GetRequests, 13361 SyntacticMatches, 18 SemanticMatches, 236 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2012 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8728occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 3.9s AbstIntTime, 10 AbstIntIterations, 4 AbstIntStrong, 0.9977965681615608 AbsIntWeakeningRatio, 0.07091412742382272 AbsIntAvgWeakeningVarsNumRemoved, 16.062049861495844 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 13 MinimizatonAttempts, 3744 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 527 PreInvPairs, 620 NumberOfFragments, 781 HoareAnnotationTreeSize, 527 FomulaSimplifications, 34939 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 9 FomulaSimplificationsInter, 29143 FormulaSimplificationTreeSizeReductionInter, 3.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 5.3s InterpolantComputationTime, 13712 NumberOfCodeBlocks, 13712 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 19443 ConstructedInterpolants, 0 QuantifiedInterpolants, 39935444 SizeOfPredicates, 3 NumberOfNonLiveVariables, 7730 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 25 InterpolantComputations, 5 PerfectInterpolantSequences, 34683/37978 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...