./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label24_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f1a8de0d-3ebe-4680-be3f-9754ec0d88a1/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f1a8de0d-3ebe-4680-be3f-9754ec0d88a1/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f1a8de0d-3ebe-4680-be3f-9754ec0d88a1/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f1a8de0d-3ebe-4680-be3f-9754ec0d88a1/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label24_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f1a8de0d-3ebe-4680-be3f-9754ec0d88a1/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f1a8de0d-3ebe-4680-be3f-9754ec0d88a1/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 d443bde2b4ed91a040fe01a253a772dbee49a394 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 12:49:09,086 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:49:09,088 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:49:09,096 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:49:09,096 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:49:09,097 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:49:09,098 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:49:09,099 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:49:09,100 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:49:09,101 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:49:09,102 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:49:09,102 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:49:09,103 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:49:09,104 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:49:09,105 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:49:09,105 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:49:09,106 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:49:09,107 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:49:09,109 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:49:09,110 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:49:09,111 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:49:09,111 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:49:09,113 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:49:09,113 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:49:09,113 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:49:09,114 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:49:09,115 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:49:09,116 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:49:09,116 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:49:09,117 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:49:09,117 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:49:09,118 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:49:09,119 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:49:09,119 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:49:09,119 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:49:09,120 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:49:09,120 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f1a8de0d-3ebe-4680-be3f-9754ec0d88a1/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 12:49:09,131 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:49:09,131 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:49:09,132 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 12:49:09,132 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 12:49:09,132 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 12:49:09,132 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 12:49:09,132 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 12:49:09,132 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 12:49:09,132 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 12:49:09,133 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 12:49:09,133 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 12:49:09,133 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 12:49:09,133 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 12:49:09,134 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:49:09,134 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:49:09,134 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 12:49:09,134 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:49:09,134 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:49:09,134 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 12:49:09,134 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 12:49:09,136 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 12:49:09,136 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:49:09,136 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:49:09,136 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:49:09,136 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 12:49:09,136 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:49:09,137 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 12:49:09,137 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 12:49:09,137 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 12:49:09,137 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 12:49:09,137 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:49:09,137 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 12:49:09,137 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 12:49:09,138 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 12:49:09,138 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 12:49:09,138 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 12:49:09,138 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 12:49:09,138 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_f1a8de0d-3ebe-4680-be3f-9754ec0d88a1/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 -> d443bde2b4ed91a040fe01a253a772dbee49a394 [2018-11-18 12:49:09,163 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:49:09,172 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:49:09,175 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:49:09,176 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:49:09,176 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:49:09,177 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f1a8de0d-3ebe-4680-be3f-9754ec0d88a1/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem03_label24_true-unreach-call.c [2018-11-18 12:49:09,223 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f1a8de0d-3ebe-4680-be3f-9754ec0d88a1/bin-2019/utaipan/data/7f71e2220/d1b2f765e25d417792df78a13c2944c9/FLAGec4afecb3 [2018-11-18 12:49:09,666 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:49:09,667 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f1a8de0d-3ebe-4680-be3f-9754ec0d88a1/sv-benchmarks/c/eca-rers2012/Problem03_label24_true-unreach-call.c [2018-11-18 12:49:09,679 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f1a8de0d-3ebe-4680-be3f-9754ec0d88a1/bin-2019/utaipan/data/7f71e2220/d1b2f765e25d417792df78a13c2944c9/FLAGec4afecb3 [2018-11-18 12:49:09,692 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f1a8de0d-3ebe-4680-be3f-9754ec0d88a1/bin-2019/utaipan/data/7f71e2220/d1b2f765e25d417792df78a13c2944c9 [2018-11-18 12:49:09,694 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:49:09,695 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 12:49:09,696 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:49:09,696 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:49:09,699 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:49:09,700 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:49:09" (1/1) ... [2018-11-18 12:49:09,702 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@788382f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:49:09, skipping insertion in model container [2018-11-18 12:49:09,703 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:49:09" (1/1) ... [2018-11-18 12:49:09,711 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:49:09,767 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:49:10,169 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:49:10,173 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:49:10,363 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:49:10,378 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:49:10,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:49:10 WrapperNode [2018-11-18 12:49:10,379 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:49:10,380 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 12:49:10,380 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 12:49:10,380 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 12:49:10,478 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:49:10" (1/1) ... [2018-11-18 12:49:10,499 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:49:10" (1/1) ... [2018-11-18 12:49:10,506 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 12:49:10,506 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:49:10,506 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:49:10,507 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:49:10,515 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:49:10" (1/1) ... [2018-11-18 12:49:10,515 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:49:10" (1/1) ... [2018-11-18 12:49:10,520 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:49:10" (1/1) ... [2018-11-18 12:49:10,520 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:49:10" (1/1) ... [2018-11-18 12:49:10,552 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:49:10" (1/1) ... [2018-11-18 12:49:10,560 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:49:10" (1/1) ... [2018-11-18 12:49:10,570 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:49:10" (1/1) ... [2018-11-18 12:49:10,579 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:49:10,579 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:49:10,579 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:49:10,579 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:49:10,580 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:49:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f1a8de0d-3ebe-4680-be3f-9754ec0d88a1/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 12:49:10,624 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 12:49:10,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 12:49:10,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 12:49:10,625 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 12:49:10,625 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 12:49:10,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:49:10,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:49:10,625 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 12:49:10,625 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 12:49:12,165 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:49:12,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:49:12 BoogieIcfgContainer [2018-11-18 12:49:12,166 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:49:12,166 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 12:49:12,166 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 12:49:12,169 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 12:49:12,169 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 12:49:09" (1/3) ... [2018-11-18 12:49:12,170 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57750c87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:49:12, skipping insertion in model container [2018-11-18 12:49:12,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:49:10" (2/3) ... [2018-11-18 12:49:12,170 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57750c87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:49:12, skipping insertion in model container [2018-11-18 12:49:12,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:49:12" (3/3) ... [2018-11-18 12:49:12,172 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem03_label24_true-unreach-call.c [2018-11-18 12:49:12,180 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 12:49:12,187 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 12:49:12,200 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 12:49:12,228 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 12:49:12,228 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 12:49:12,229 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 12:49:12,229 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 12:49:12,229 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 12:49:12,229 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 12:49:12,229 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 12:49:12,229 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 12:49:12,249 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states. [2018-11-18 12:49:12,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-18 12:49:12,260 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:49:12,261 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:49:12,262 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:49:12,267 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:49:12,267 INFO L82 PathProgramCache]: Analyzing trace with hash 2097974209, now seen corresponding path program 1 times [2018-11-18 12:49:12,269 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:49:12,311 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:49:12,311 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:49:12,311 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:49:12,311 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:49:12,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:49:12,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:49:12,802 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:49:12,802 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 12:49:12,802 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:49:12,806 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 12:49:12,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:49:12,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:49:12,816 INFO L87 Difference]: Start difference. First operand 312 states. Second operand 3 states. [2018-11-18 12:49:13,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:49:13,497 INFO L93 Difference]: Finished difference Result 844 states and 1489 transitions. [2018-11-18 12:49:13,497 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:49:13,498 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 198 [2018-11-18 12:49:13,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:49:13,511 INFO L225 Difference]: With dead ends: 844 [2018-11-18 12:49:13,511 INFO L226 Difference]: Without dead ends: 530 [2018-11-18 12:49:13,516 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:49:13,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2018-11-18 12:49:13,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 525. [2018-11-18 12:49:13,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 525 states. [2018-11-18 12:49:13,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 865 transitions. [2018-11-18 12:49:13,578 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 865 transitions. Word has length 198 [2018-11-18 12:49:13,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:49:13,579 INFO L480 AbstractCegarLoop]: Abstraction has 525 states and 865 transitions. [2018-11-18 12:49:13,579 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 12:49:13,579 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 865 transitions. [2018-11-18 12:49:13,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-11-18 12:49:13,584 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:49:13,584 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:49:13,584 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:49:13,584 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:49:13,585 INFO L82 PathProgramCache]: Analyzing trace with hash -901742011, now seen corresponding path program 1 times [2018-11-18 12:49:13,585 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:49:13,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:49:13,586 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:49:13,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:49:13,586 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:49:13,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:49:13,814 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:49:13,814 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:49:13,814 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 12:49:13,815 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:49:13,816 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 12:49:13,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:49:13,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:49:13,817 INFO L87 Difference]: Start difference. First operand 525 states and 865 transitions. Second operand 3 states. [2018-11-18 12:49:14,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:49:14,505 INFO L93 Difference]: Finished difference Result 1473 states and 2495 transitions. [2018-11-18 12:49:14,507 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:49:14,507 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 211 [2018-11-18 12:49:14,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:49:14,512 INFO L225 Difference]: With dead ends: 1473 [2018-11-18 12:49:14,512 INFO L226 Difference]: Without dead ends: 954 [2018-11-18 12:49:14,515 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:49:14,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 954 states. [2018-11-18 12:49:14,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 954 to 953. [2018-11-18 12:49:14,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 953 states. [2018-11-18 12:49:14,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 953 states to 953 states and 1483 transitions. [2018-11-18 12:49:14,539 INFO L78 Accepts]: Start accepts. Automaton has 953 states and 1483 transitions. Word has length 211 [2018-11-18 12:49:14,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:49:14,540 INFO L480 AbstractCegarLoop]: Abstraction has 953 states and 1483 transitions. [2018-11-18 12:49:14,540 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 12:49:14,540 INFO L276 IsEmpty]: Start isEmpty. Operand 953 states and 1483 transitions. [2018-11-18 12:49:14,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-11-18 12:49:14,543 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:49:14,544 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:49:14,544 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:49:14,544 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:49:14,544 INFO L82 PathProgramCache]: Analyzing trace with hash -1723298015, now seen corresponding path program 1 times [2018-11-18 12:49:14,545 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:49:14,545 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:49:14,545 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:49:14,545 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:49:14,546 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:49:14,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:49:14,672 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:49:14,672 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:49:14,672 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 12:49:14,673 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:49:14,673 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 12:49:14,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:49:14,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:49:14,674 INFO L87 Difference]: Start difference. First operand 953 states and 1483 transitions. Second operand 3 states. [2018-11-18 12:49:15,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:49:15,276 INFO L93 Difference]: Finished difference Result 2750 states and 4390 transitions. [2018-11-18 12:49:15,276 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:49:15,276 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 213 [2018-11-18 12:49:15,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:49:15,282 INFO L225 Difference]: With dead ends: 2750 [2018-11-18 12:49:15,282 INFO L226 Difference]: Without dead ends: 1803 [2018-11-18 12:49:15,287 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:49:15,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1803 states. [2018-11-18 12:49:15,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1803 to 1786. [2018-11-18 12:49:15,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1786 states. [2018-11-18 12:49:15,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1786 states to 1786 states and 2741 transitions. [2018-11-18 12:49:15,317 INFO L78 Accepts]: Start accepts. Automaton has 1786 states and 2741 transitions. Word has length 213 [2018-11-18 12:49:15,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:49:15,317 INFO L480 AbstractCegarLoop]: Abstraction has 1786 states and 2741 transitions. [2018-11-18 12:49:15,317 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 12:49:15,317 INFO L276 IsEmpty]: Start isEmpty. Operand 1786 states and 2741 transitions. [2018-11-18 12:49:15,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-11-18 12:49:15,321 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:49:15,321 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:49:15,321 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:49:15,322 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:49:15,322 INFO L82 PathProgramCache]: Analyzing trace with hash -989729704, now seen corresponding path program 1 times [2018-11-18 12:49:15,322 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:49:15,323 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:49:15,323 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:49:15,323 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:49:15,323 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:49:15,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:49:15,469 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:49:15,469 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:49:15,469 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 12:49:15,469 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:49:15,470 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 12:49:15,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 12:49:15,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 12:49:15,470 INFO L87 Difference]: Start difference. First operand 1786 states and 2741 transitions. Second operand 6 states. [2018-11-18 12:49:16,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:49:16,423 INFO L93 Difference]: Finished difference Result 5463 states and 9150 transitions. [2018-11-18 12:49:16,423 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 12:49:16,423 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 216 [2018-11-18 12:49:16,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:49:16,439 INFO L225 Difference]: With dead ends: 5463 [2018-11-18 12:49:16,439 INFO L226 Difference]: Without dead ends: 3683 [2018-11-18 12:49:16,444 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 12:49:16,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3683 states. [2018-11-18 12:49:16,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3683 to 3579. [2018-11-18 12:49:16,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3579 states. [2018-11-18 12:49:16,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3579 states to 3579 states and 5617 transitions. [2018-11-18 12:49:16,518 INFO L78 Accepts]: Start accepts. Automaton has 3579 states and 5617 transitions. Word has length 216 [2018-11-18 12:49:16,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:49:16,519 INFO L480 AbstractCegarLoop]: Abstraction has 3579 states and 5617 transitions. [2018-11-18 12:49:16,519 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 12:49:16,519 INFO L276 IsEmpty]: Start isEmpty. Operand 3579 states and 5617 transitions. [2018-11-18 12:49:16,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-11-18 12:49:16,525 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:49:16,526 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:49:16,526 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:49:16,526 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:49:16,526 INFO L82 PathProgramCache]: Analyzing trace with hash -381167688, now seen corresponding path program 1 times [2018-11-18 12:49:16,526 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:49:16,527 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:49:16,527 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:49:16,527 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:49:16,527 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:49:16,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:49:16,621 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 40 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:49:16,621 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:49:16,621 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:49:16,622 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 232 with the following transitions: [2018-11-18 12:49:16,623 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [25], [29], [33], [36], [37], [41], [45], [48], [49], [53], [57], [61], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [905], [913], [921], [929], [937], [945], [953], [961], [969], [977], [985], [993], [1001], [1009], [1017], [1025], [1033], [1041], [1045], [1047], [1157], [1161], [1165], [1171], [1175], [1177], [1182], [1183], [1184], [1186], [1187] [2018-11-18 12:49:16,661 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:49:16,661 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:49:17,410 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 12:49:17,411 INFO L272 AbstractInterpreter]: Visited 199 different actions 199 times. Never merged. Never widened. Performed 4258 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4258 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 88 variables. [2018-11-18 12:49:17,443 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:49:17,443 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 12:49:18,188 INFO L227 lantSequenceWeakener]: Weakened 222 states. On average, predicates are now at 74.09% of their original sizes. [2018-11-18 12:49:18,188 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 12:49:18,365 INFO L415 sIntCurrentIteration]: We unified 230 AI predicates to 230 [2018-11-18 12:49:18,366 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 12:49:18,366 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 12:49:18,366 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [6] total 17 [2018-11-18 12:49:18,367 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:49:18,367 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-18 12:49:18,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-18 12:49:18,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2018-11-18 12:49:18,368 INFO L87 Difference]: Start difference. First operand 3579 states and 5617 transitions. Second operand 13 states. [2018-11-18 12:49:30,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:49:30,012 INFO L93 Difference]: Finished difference Result 7362 states and 11579 transitions. [2018-11-18 12:49:30,012 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 12:49:30,012 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 231 [2018-11-18 12:49:30,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:49:30,020 INFO L225 Difference]: With dead ends: 7362 [2018-11-18 12:49:30,020 INFO L226 Difference]: Without dead ends: 3789 [2018-11-18 12:49:30,025 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 231 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2018-11-18 12:49:30,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3789 states. [2018-11-18 12:49:30,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3789 to 3787. [2018-11-18 12:49:30,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3787 states. [2018-11-18 12:49:30,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3787 states to 3787 states and 5835 transitions. [2018-11-18 12:49:30,075 INFO L78 Accepts]: Start accepts. Automaton has 3787 states and 5835 transitions. Word has length 231 [2018-11-18 12:49:30,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:49:30,075 INFO L480 AbstractCegarLoop]: Abstraction has 3787 states and 5835 transitions. [2018-11-18 12:49:30,075 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-18 12:49:30,075 INFO L276 IsEmpty]: Start isEmpty. Operand 3787 states and 5835 transitions. [2018-11-18 12:49:30,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-11-18 12:49:30,082 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:49:30,082 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:49:30,083 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:49:30,083 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:49:30,083 INFO L82 PathProgramCache]: Analyzing trace with hash -110227371, now seen corresponding path program 1 times [2018-11-18 12:49:30,083 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:49:30,084 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:49:30,084 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:49:30,084 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:49:30,084 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:49:30,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:49:30,206 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 51 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:49:30,207 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:49:30,207 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:49:30,207 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 244 with the following transitions: [2018-11-18 12:49:30,207 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [24], [25], [29], [33], [36], [37], [41], [45], [48], [49], [53], [57], [61], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [905], [913], [921], [929], [937], [945], [953], [961], [969], [977], [985], [993], [1001], [1009], [1017], [1025], [1033], [1041], [1045], [1047], [1157], [1161], [1165], [1171], [1175], [1177], [1182], [1183], [1184], [1186], [1187] [2018-11-18 12:49:30,215 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:49:30,216 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:49:30,730 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 12:49:30,730 INFO L272 AbstractInterpreter]: Visited 203 different actions 400 times. Merged at 5 different actions 5 times. Never widened. Performed 8559 root evaluator evaluations with a maximum evaluation depth of 3. Performed 8559 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 88 variables. [2018-11-18 12:49:30,742 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:49:30,743 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 12:49:31,140 INFO L227 lantSequenceWeakener]: Weakened 240 states. On average, predicates are now at 74.4% of their original sizes. [2018-11-18 12:49:31,140 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 12:49:31,322 INFO L415 sIntCurrentIteration]: We unified 242 AI predicates to 242 [2018-11-18 12:49:31,322 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 12:49:31,323 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 12:49:31,323 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [20] imperfect sequences [10] total 28 [2018-11-18 12:49:31,323 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:49:31,323 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-11-18 12:49:31,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-11-18 12:49:31,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=303, Unknown=0, NotChecked=0, Total=380 [2018-11-18 12:49:31,324 INFO L87 Difference]: Start difference. First operand 3787 states and 5835 transitions. Second operand 20 states. [2018-11-18 12:49:48,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:49:48,664 INFO L93 Difference]: Finished difference Result 7574 states and 11803 transitions. [2018-11-18 12:49:48,664 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 12:49:48,664 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 243 [2018-11-18 12:49:48,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:49:48,676 INFO L225 Difference]: With dead ends: 7574 [2018-11-18 12:49:48,676 INFO L226 Difference]: Without dead ends: 4001 [2018-11-18 12:49:48,684 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 251 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=180, Invalid=632, Unknown=0, NotChecked=0, Total=812 [2018-11-18 12:49:48,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4001 states. [2018-11-18 12:49:48,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4001 to 3998. [2018-11-18 12:49:48,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3998 states. [2018-11-18 12:49:48,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3998 states to 3998 states and 6063 transitions. [2018-11-18 12:49:48,761 INFO L78 Accepts]: Start accepts. Automaton has 3998 states and 6063 transitions. Word has length 243 [2018-11-18 12:49:48,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:49:48,761 INFO L480 AbstractCegarLoop]: Abstraction has 3998 states and 6063 transitions. [2018-11-18 12:49:48,762 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-11-18 12:49:48,762 INFO L276 IsEmpty]: Start isEmpty. Operand 3998 states and 6063 transitions. [2018-11-18 12:49:48,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-11-18 12:49:48,773 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:49:48,773 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:49:48,773 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:49:48,773 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:49:48,774 INFO L82 PathProgramCache]: Analyzing trace with hash -1571694760, now seen corresponding path program 1 times [2018-11-18 12:49:48,774 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:49:48,774 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:49:48,775 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:49:48,775 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:49:48,775 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:49:48,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:49:48,883 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 52 proven. 8 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 12:49:48,884 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:49:48,884 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:49:48,884 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 250 with the following transitions: [2018-11-18 12:49:48,885 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [8], [12], [13], [17], [21], [25], [29], [33], [37], [41], [45], [48], [49], [53], [57], [61], [64], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [905], [913], [921], [929], [937], [945], [953], [961], [969], [977], [985], [993], [1001], [1009], [1017], [1025], [1033], [1041], [1045], [1047], [1157], [1161], [1165], [1171], [1175], [1177], [1182], [1183], [1184], [1186], [1187] [2018-11-18 12:49:48,892 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:49:48,893 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:49:49,650 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 12:49:49,650 INFO L272 AbstractInterpreter]: Visited 206 different actions 611 times. Merged at 7 different actions 18 times. Never widened. Performed 13652 root evaluator evaluations with a maximum evaluation depth of 3. Performed 13652 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 3 different actions. Largest state had 88 variables. [2018-11-18 12:49:49,651 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:49:49,652 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 12:49:49,652 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:49:49,652 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f1a8de0d-3ebe-4680-be3f-9754ec0d88a1/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:49:49,660 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:49:49,660 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 12:49:49,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:49:49,796 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:49:49,872 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 58 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 12:49:49,872 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 12:49:49,942 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 52 proven. 8 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 12:49:49,959 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 12:49:49,959 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2018-11-18 12:49:49,959 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 12:49:49,960 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 12:49:49,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 12:49:49,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2018-11-18 12:49:49,961 INFO L87 Difference]: Start difference. First operand 3998 states and 6063 transitions. Second operand 8 states. [2018-11-18 12:49:51,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:49:51,783 INFO L93 Difference]: Finished difference Result 14868 states and 28630 transitions. [2018-11-18 12:49:51,784 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 12:49:51,784 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 249 [2018-11-18 12:49:51,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:49:51,849 INFO L225 Difference]: With dead ends: 14868 [2018-11-18 12:49:51,849 INFO L226 Difference]: Without dead ends: 11295 [2018-11-18 12:49:51,882 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 512 GetRequests, 498 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2018-11-18 12:49:51,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11295 states. [2018-11-18 12:49:52,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11295 to 11053. [2018-11-18 12:49:52,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11053 states. [2018-11-18 12:49:52,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11053 states to 11053 states and 18095 transitions. [2018-11-18 12:49:52,231 INFO L78 Accepts]: Start accepts. Automaton has 11053 states and 18095 transitions. Word has length 249 [2018-11-18 12:49:52,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:49:52,231 INFO L480 AbstractCegarLoop]: Abstraction has 11053 states and 18095 transitions. [2018-11-18 12:49:52,232 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 12:49:52,232 INFO L276 IsEmpty]: Start isEmpty. Operand 11053 states and 18095 transitions. [2018-11-18 12:49:52,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2018-11-18 12:49:52,265 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:49:52,265 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:49:52,266 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:49:52,266 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:49:52,266 INFO L82 PathProgramCache]: Analyzing trace with hash 600539593, now seen corresponding path program 1 times [2018-11-18 12:49:52,266 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:49:52,266 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:49:52,267 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:49:52,267 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:49:52,267 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:49:52,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:49:52,403 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 64 proven. 14 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 12:49:52,403 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:49:52,403 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:49:52,403 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 254 with the following transitions: [2018-11-18 12:49:52,404 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [25], [29], [33], [36], [37], [41], [45], [48], [49], [53], [57], [61], [64], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [905], [913], [921], [929], [937], [945], [953], [961], [969], [977], [985], [993], [1001], [1009], [1017], [1025], [1033], [1041], [1045], [1047], [1157], [1161], [1165], [1171], [1175], [1177], [1182], [1183], [1184], [1186], [1187] [2018-11-18 12:49:52,409 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:49:52,409 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:49:52,858 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 12:49:52,858 INFO L272 AbstractInterpreter]: Visited 204 different actions 400 times. Merged at 4 different actions 4 times. Never widened. Performed 8956 root evaluator evaluations with a maximum evaluation depth of 3. Performed 8956 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 88 variables. [2018-11-18 12:49:52,859 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:49:52,859 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 12:49:52,859 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:49:52,859 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f1a8de0d-3ebe-4680-be3f-9754ec0d88a1/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 [2018-11-18 12:49:52,865 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:49:52,865 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 12:49:52,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:49:52,962 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:49:53,012 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 80 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 12:49:53,012 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 12:49:53,067 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 80 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 12:49:53,083 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 12:49:53,084 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-18 12:49:53,084 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 12:49:53,085 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 12:49:53,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 12:49:53,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2018-11-18 12:49:53,085 INFO L87 Difference]: Start difference. First operand 11053 states and 18095 transitions. Second operand 9 states. [2018-11-18 12:49:56,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:49:56,716 INFO L93 Difference]: Finished difference Result 44386 states and 79660 transitions. [2018-11-18 12:49:56,717 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2018-11-18 12:49:56,717 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 253 [2018-11-18 12:49:56,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:49:56,832 INFO L225 Difference]: With dead ends: 44386 [2018-11-18 12:49:56,833 INFO L226 Difference]: Without dead ends: 33758 [2018-11-18 12:49:56,889 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 599 GetRequests, 544 SyntacticMatches, 2 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 983 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=605, Invalid=2365, Unknown=0, NotChecked=0, Total=2970 [2018-11-18 12:49:56,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33758 states. [2018-11-18 12:49:57,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33758 to 31748. [2018-11-18 12:49:57,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31748 states. [2018-11-18 12:49:57,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31748 states to 31748 states and 47564 transitions. [2018-11-18 12:49:57,789 INFO L78 Accepts]: Start accepts. Automaton has 31748 states and 47564 transitions. Word has length 253 [2018-11-18 12:49:57,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:49:57,789 INFO L480 AbstractCegarLoop]: Abstraction has 31748 states and 47564 transitions. [2018-11-18 12:49:57,789 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 12:49:57,789 INFO L276 IsEmpty]: Start isEmpty. Operand 31748 states and 47564 transitions. [2018-11-18 12:49:57,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2018-11-18 12:49:57,849 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:49:57,849 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:49:57,849 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:49:57,850 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:49:57,850 INFO L82 PathProgramCache]: Analyzing trace with hash -1088454084, now seen corresponding path program 1 times [2018-11-18 12:49:57,850 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:49:57,850 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:49:57,851 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:49:57,851 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:49:57,851 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:49:57,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:49:58,055 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 119 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:49:58,055 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:49:58,055 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:49:58,055 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 304 with the following transitions: [2018-11-18 12:49:58,056 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [25], [29], [33], [37], [41], [45], [49], [53], [57], [61], [64], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [350], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [905], [913], [921], [929], [937], [945], [953], [961], [969], [977], [985], [993], [1001], [1009], [1017], [1025], [1033], [1041], [1045], [1047], [1157], [1161], [1165], [1171], [1175], [1177], [1182], [1183], [1184], [1186], [1187] [2018-11-18 12:49:58,060 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:49:58,060 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:49:58,757 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 12:49:58,757 INFO L272 AbstractInterpreter]: Visited 203 different actions 599 times. Merged at 7 different actions 13 times. Never widened. Performed 13840 root evaluator evaluations with a maximum evaluation depth of 3. Performed 13840 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 1 different actions. Largest state had 88 variables. [2018-11-18 12:49:58,762 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:49:58,763 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 12:49:58,763 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:49:58,763 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f1a8de0d-3ebe-4680-be3f-9754ec0d88a1/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:49:58,775 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:49:58,775 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 12:49:58,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:49:58,884 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:49:58,927 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-18 12:49:58,928 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 12:49:58,996 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-18 12:49:59,011 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 12:49:59,011 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 7 [2018-11-18 12:49:59,012 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:49:59,012 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 12:49:59,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:49:59,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 12:49:59,012 INFO L87 Difference]: Start difference. First operand 31748 states and 47564 transitions. Second operand 3 states. [2018-11-18 12:49:59,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:49:59,949 INFO L93 Difference]: Finished difference Result 83838 states and 129375 transitions. [2018-11-18 12:49:59,949 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:49:59,949 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 303 [2018-11-18 12:49:59,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:50:00,097 INFO L225 Difference]: With dead ends: 83838 [2018-11-18 12:50:00,098 INFO L226 Difference]: Without dead ends: 52304 [2018-11-18 12:50:00,166 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 611 GetRequests, 604 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 12:50:00,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52304 states. [2018-11-18 12:50:00,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52304 to 52227. [2018-11-18 12:50:00,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52227 states. [2018-11-18 12:50:00,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52227 states to 52227 states and 78900 transitions. [2018-11-18 12:50:00,946 INFO L78 Accepts]: Start accepts. Automaton has 52227 states and 78900 transitions. Word has length 303 [2018-11-18 12:50:00,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:50:00,947 INFO L480 AbstractCegarLoop]: Abstraction has 52227 states and 78900 transitions. [2018-11-18 12:50:00,947 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 12:50:00,947 INFO L276 IsEmpty]: Start isEmpty. Operand 52227 states and 78900 transitions. [2018-11-18 12:50:01,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2018-11-18 12:50:01,003 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:50:01,003 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:50:01,003 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:50:01,003 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:50:01,003 INFO L82 PathProgramCache]: Analyzing trace with hash 1272451628, now seen corresponding path program 1 times [2018-11-18 12:50:01,003 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:50:01,004 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:50:01,004 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:50:01,004 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:50:01,005 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:50:01,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:01,135 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 163 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:50:01,135 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:50:01,135 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:50:01,135 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 335 with the following transitions: [2018-11-18 12:50:01,135 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [25], [29], [33], [37], [41], [45], [49], [53], [57], [61], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [123], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [436], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [905], [913], [921], [929], [937], [945], [953], [961], [969], [977], [985], [993], [1001], [1009], [1017], [1025], [1033], [1041], [1045], [1047], [1157], [1161], [1165], [1171], [1175], [1177], [1182], [1183], [1184], [1186], [1187] [2018-11-18 12:50:01,139 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:50:01,139 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:50:01,610 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 12:50:01,610 INFO L272 AbstractInterpreter]: Visited 202 different actions 398 times. Merged at 5 different actions 5 times. Never widened. Performed 8636 root evaluator evaluations with a maximum evaluation depth of 3. Performed 8636 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 88 variables. [2018-11-18 12:50:01,618 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:50:01,619 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 12:50:02,347 INFO L227 lantSequenceWeakener]: Weakened 331 states. On average, predicates are now at 74.3% of their original sizes. [2018-11-18 12:50:02,347 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 12:50:02,488 INFO L415 sIntCurrentIteration]: We unified 333 AI predicates to 333 [2018-11-18 12:50:02,489 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 12:50:02,489 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 12:50:02,489 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [6] total 22 [2018-11-18 12:50:02,489 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:50:02,489 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-18 12:50:02,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-18 12:50:02,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2018-11-18 12:50:02,490 INFO L87 Difference]: Start difference. First operand 52227 states and 78900 transitions. Second operand 18 states. [2018-11-18 12:50:15,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:50:15,006 INFO L93 Difference]: Finished difference Result 102972 states and 155063 transitions. [2018-11-18 12:50:15,006 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-18 12:50:15,006 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 334 [2018-11-18 12:50:15,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:50:15,150 INFO L225 Difference]: With dead ends: 102972 [2018-11-18 12:50:15,150 INFO L226 Difference]: Without dead ends: 51365 [2018-11-18 12:50:15,228 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 341 GetRequests, 317 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=151, Invalid=499, Unknown=0, NotChecked=0, Total=650 [2018-11-18 12:50:15,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51365 states. [2018-11-18 12:50:15,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51365 to 51220. [2018-11-18 12:50:15,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51220 states. [2018-11-18 12:50:15,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51220 states to 51220 states and 76476 transitions. [2018-11-18 12:50:15,966 INFO L78 Accepts]: Start accepts. Automaton has 51220 states and 76476 transitions. Word has length 334 [2018-11-18 12:50:15,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:50:15,966 INFO L480 AbstractCegarLoop]: Abstraction has 51220 states and 76476 transitions. [2018-11-18 12:50:15,966 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-18 12:50:15,966 INFO L276 IsEmpty]: Start isEmpty. Operand 51220 states and 76476 transitions. [2018-11-18 12:50:16,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2018-11-18 12:50:16,029 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:50:16,029 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:50:16,030 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:50:16,030 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:50:16,030 INFO L82 PathProgramCache]: Analyzing trace with hash -588881806, now seen corresponding path program 1 times [2018-11-18 12:50:16,030 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:50:16,031 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:50:16,031 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:50:16,031 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:50:16,031 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:50:16,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:16,150 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 191 proven. 100 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2018-11-18 12:50:16,150 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:50:16,151 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:50:16,151 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 372 with the following transitions: [2018-11-18 12:50:16,151 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [25], [29], [33], [37], [41], [45], [49], [53], [57], [61], [64], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [115], [116], [120], [123], [124], [128], [132], [136], [139], [140], [144], [148], [151], [156], [158], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [905], [913], [921], [929], [937], [945], [953], [961], [969], [977], [985], [993], [1001], [1009], [1017], [1025], [1033], [1041], [1045], [1047], [1157], [1161], [1165], [1171], [1175], [1177], [1182], [1183], [1184], [1186], [1187] [2018-11-18 12:50:16,155 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:50:16,155 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:50:17,353 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 12:50:17,353 INFO L272 AbstractInterpreter]: Visited 206 different actions 618 times. Merged at 8 different actions 23 times. Never widened. Performed 13830 root evaluator evaluations with a maximum evaluation depth of 3. Performed 13830 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 5 fixpoints after 3 different actions. Largest state had 88 variables. [2018-11-18 12:50:17,358 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:50:17,359 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 12:50:17,359 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:50:17,359 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f1a8de0d-3ebe-4680-be3f-9754ec0d88a1/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 [2018-11-18 12:50:17,364 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:50:17,365 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 12:50:17,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:17,497 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:50:17,545 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 245 proven. 2 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2018-11-18 12:50:17,545 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 12:50:17,626 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 191 proven. 100 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2018-11-18 12:50:17,643 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 12:50:17,643 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 8 [2018-11-18 12:50:17,643 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 12:50:17,644 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 12:50:17,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 12:50:17,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2018-11-18 12:50:17,644 INFO L87 Difference]: Start difference. First operand 51220 states and 76476 transitions. Second operand 7 states. [2018-11-18 12:50:19,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:50:19,833 INFO L93 Difference]: Finished difference Result 122956 states and 187848 transitions. [2018-11-18 12:50:19,833 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 12:50:19,833 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 371 [2018-11-18 12:50:19,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:50:20,055 INFO L225 Difference]: With dead ends: 122956 [2018-11-18 12:50:20,055 INFO L226 Difference]: Without dead ends: 72377 [2018-11-18 12:50:20,164 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 751 GetRequests, 741 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2018-11-18 12:50:20,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72377 states. [2018-11-18 12:50:21,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72377 to 71476. [2018-11-18 12:50:21,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71476 states. [2018-11-18 12:50:21,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71476 states to 71476 states and 101304 transitions. [2018-11-18 12:50:21,257 INFO L78 Accepts]: Start accepts. Automaton has 71476 states and 101304 transitions. Word has length 371 [2018-11-18 12:50:21,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:50:21,257 INFO L480 AbstractCegarLoop]: Abstraction has 71476 states and 101304 transitions. [2018-11-18 12:50:21,257 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 12:50:21,257 INFO L276 IsEmpty]: Start isEmpty. Operand 71476 states and 101304 transitions. [2018-11-18 12:50:21,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2018-11-18 12:50:21,350 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:50:21,350 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:50:21,350 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:50:21,351 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:50:21,351 INFO L82 PathProgramCache]: Analyzing trace with hash -1570967325, now seen corresponding path program 1 times [2018-11-18 12:50:21,351 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:50:21,351 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:50:21,351 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:50:21,351 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:50:21,351 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:50:21,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:21,605 INFO L134 CoverageAnalysis]: Checked inductivity of 475 backedges. 211 proven. 103 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2018-11-18 12:50:21,605 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:50:21,605 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:50:21,605 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 392 with the following transitions: [2018-11-18 12:50:21,606 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [25], [29], [33], [37], [41], [45], [49], [53], [57], [61], [64], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [115], [116], [120], [123], [124], [128], [132], [136], [140], [144], [148], [151], [156], [158], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [240], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [905], [913], [921], [929], [937], [945], [953], [961], [969], [977], [985], [993], [1001], [1009], [1017], [1025], [1033], [1041], [1045], [1047], [1157], [1161], [1165], [1171], [1175], [1177], [1182], [1183], [1184], [1186], [1187] [2018-11-18 12:50:21,610 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:50:21,610 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:50:23,558 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 12:50:23,558 INFO L272 AbstractInterpreter]: Visited 206 different actions 615 times. Merged at 8 different actions 20 times. Never widened. Performed 13780 root evaluator evaluations with a maximum evaluation depth of 3. Performed 13780 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 5 fixpoints after 2 different actions. Largest state had 88 variables. [2018-11-18 12:50:23,559 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:50:23,559 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 12:50:23,559 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:50:23,559 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f1a8de0d-3ebe-4680-be3f-9754ec0d88a1/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 [2018-11-18 12:50:23,565 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:50:23,565 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 12:50:23,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:23,700 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:50:23,768 INFO L134 CoverageAnalysis]: Checked inductivity of 475 backedges. 328 proven. 10 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2018-11-18 12:50:23,768 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 12:50:23,880 INFO L134 CoverageAnalysis]: Checked inductivity of 475 backedges. 255 proven. 96 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2018-11-18 12:50:23,896 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 12:50:23,896 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-18 12:50:23,896 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 12:50:23,896 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 12:50:23,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 12:50:23,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2018-11-18 12:50:23,897 INFO L87 Difference]: Start difference. First operand 71476 states and 101304 transitions. Second operand 9 states. [2018-11-18 12:50:25,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:50:25,943 INFO L93 Difference]: Finished difference Result 149281 states and 210168 transitions. [2018-11-18 12:50:25,944 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-18 12:50:25,944 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 391 [2018-11-18 12:50:25,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:50:26,100 INFO L225 Difference]: With dead ends: 149281 [2018-11-18 12:50:26,100 INFO L226 Difference]: Without dead ends: 78446 [2018-11-18 12:50:26,208 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 806 GetRequests, 788 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2018-11-18 12:50:26,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78446 states. [2018-11-18 12:50:27,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78446 to 78126. [2018-11-18 12:50:27,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78126 states. [2018-11-18 12:50:27,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78126 states to 78126 states and 103146 transitions. [2018-11-18 12:50:27,145 INFO L78 Accepts]: Start accepts. Automaton has 78126 states and 103146 transitions. Word has length 391 [2018-11-18 12:50:27,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:50:27,145 INFO L480 AbstractCegarLoop]: Abstraction has 78126 states and 103146 transitions. [2018-11-18 12:50:27,145 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 12:50:27,145 INFO L276 IsEmpty]: Start isEmpty. Operand 78126 states and 103146 transitions. [2018-11-18 12:50:27,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2018-11-18 12:50:27,225 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:50:27,225 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:50:27,225 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:50:27,225 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:50:27,225 INFO L82 PathProgramCache]: Analyzing trace with hash 15583462, now seen corresponding path program 1 times [2018-11-18 12:50:27,226 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:50:27,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:50:27,226 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:50:27,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:50:27,226 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:50:27,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:27,494 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 254 proven. 58 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-11-18 12:50:27,495 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:50:27,495 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:50:27,495 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 425 with the following transitions: [2018-11-18 12:50:27,495 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [25], [29], [33], [37], [41], [45], [49], [53], [57], [61], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [127], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [240], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [562], [567], [569], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [905], [913], [921], [929], [937], [945], [953], [961], [969], [977], [985], [993], [1001], [1009], [1017], [1025], [1033], [1041], [1045], [1047], [1157], [1161], [1165], [1171], [1175], [1177], [1182], [1183], [1184], [1186], [1187] [2018-11-18 12:50:27,498 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:50:27,499 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:50:28,039 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 12:50:28,039 INFO L272 AbstractInterpreter]: Visited 204 different actions 406 times. Merged at 7 different actions 10 times. Never widened. Performed 9040 root evaluator evaluations with a maximum evaluation depth of 3. Performed 9040 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 2 fixpoints after 2 different actions. Largest state had 88 variables. [2018-11-18 12:50:28,042 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:50:28,043 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 12:50:28,043 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:50:28,043 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f1a8de0d-3ebe-4680-be3f-9754ec0d88a1/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 [2018-11-18 12:50:28,050 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:50:28,050 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 12:50:28,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:28,178 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:50:28,246 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 221 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2018-11-18 12:50:28,246 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 12:50:28,333 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 221 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2018-11-18 12:50:28,349 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 12:50:28,349 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 8 [2018-11-18 12:50:28,349 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:50:28,349 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 12:50:28,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:50:28,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-18 12:50:28,350 INFO L87 Difference]: Start difference. First operand 78126 states and 103146 transitions. Second operand 3 states. [2018-11-18 12:50:29,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:50:29,720 INFO L93 Difference]: Finished difference Result 160477 states and 213730 transitions. [2018-11-18 12:50:29,720 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:50:29,720 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 424 [2018-11-18 12:50:29,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:50:29,912 INFO L225 Difference]: With dead ends: 160477 [2018-11-18 12:50:29,912 INFO L226 Difference]: Without dead ends: 83122 [2018-11-18 12:50:30,026 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 853 GetRequests, 847 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-18 12:50:30,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83122 states. [2018-11-18 12:50:30,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83122 to 82974. [2018-11-18 12:50:30,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82974 states. [2018-11-18 12:50:31,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82974 states to 82974 states and 110092 transitions. [2018-11-18 12:50:31,089 INFO L78 Accepts]: Start accepts. Automaton has 82974 states and 110092 transitions. Word has length 424 [2018-11-18 12:50:31,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:50:31,090 INFO L480 AbstractCegarLoop]: Abstraction has 82974 states and 110092 transitions. [2018-11-18 12:50:31,090 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 12:50:31,090 INFO L276 IsEmpty]: Start isEmpty. Operand 82974 states and 110092 transitions. [2018-11-18 12:50:31,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 500 [2018-11-18 12:50:31,223 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:50:31,223 INFO L375 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:50:31,224 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:50:31,224 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:50:31,224 INFO L82 PathProgramCache]: Analyzing trace with hash 867587049, now seen corresponding path program 1 times [2018-11-18 12:50:31,224 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:50:31,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:50:31,224 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:50:31,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:50:31,224 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:50:31,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:31,443 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 398 proven. 2 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-11-18 12:50:31,444 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:50:31,444 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:50:31,444 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 500 with the following transitions: [2018-11-18 12:50:31,444 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [25], [29], [33], [37], [41], [45], [49], [53], [57], [61], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [123], [124], [128], [132], [136], [139], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [437], [441], [445], [449], [453], [457], [460], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [519], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [905], [913], [921], [929], [937], [945], [953], [961], [969], [977], [985], [993], [1001], [1009], [1017], [1025], [1033], [1041], [1045], [1047], [1157], [1161], [1165], [1171], [1175], [1177], [1182], [1183], [1184], [1186], [1187] [2018-11-18 12:50:31,448 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:50:31,448 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:50:32,324 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 12:50:32,324 INFO L272 AbstractInterpreter]: Visited 205 different actions 621 times. Merged at 9 different actions 30 times. Widened at 1 different actions 1 times. Performed 13887 root evaluator evaluations with a maximum evaluation depth of 3. Performed 13887 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 5 fixpoints after 3 different actions. Largest state had 88 variables. [2018-11-18 12:50:32,325 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:50:32,326 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 12:50:32,326 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:50:32,326 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f1a8de0d-3ebe-4680-be3f-9754ec0d88a1/bin-2019/utaipan/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:50:32,332 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:50:32,332 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 12:50:32,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:32,475 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:50:32,556 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 398 proven. 2 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-11-18 12:50:32,557 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 12:50:32,666 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 398 proven. 2 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-11-18 12:50:32,682 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 12:50:32,683 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 7 [2018-11-18 12:50:32,683 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 12:50:32,683 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 12:50:32,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 12:50:32,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-18 12:50:32,684 INFO L87 Difference]: Start difference. First operand 82974 states and 110092 transitions. Second operand 6 states. [2018-11-18 12:50:34,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:50:34,534 INFO L93 Difference]: Finished difference Result 155178 states and 208403 transitions. [2018-11-18 12:50:34,535 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 12:50:34,535 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 499 [2018-11-18 12:50:34,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:50:34,536 INFO L225 Difference]: With dead ends: 155178 [2018-11-18 12:50:34,536 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 12:50:34,753 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1009 GetRequests, 999 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2018-11-18 12:50:34,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 12:50:34,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 12:50:34,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 12:50:34,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 12:50:34,754 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 499 [2018-11-18 12:50:34,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:50:34,754 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 12:50:34,754 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 12:50:34,754 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 12:50:34,754 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 12:50:34,757 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 12:50:35,453 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:35,455 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:35,457 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:35,473 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:35,487 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:35,498 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:35,501 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:35,502 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:35,512 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:35,513 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:35,556 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:35,563 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:35,572 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:35,575 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:35,599 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:35,604 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:35,636 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:35,642 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:35,645 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:35,649 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:35,683 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:35,710 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:35,722 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:35,746 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:35,769 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:35,857 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:35,883 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:36,066 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:36,079 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:36,104 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:36,111 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:36,399 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:36,409 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:36,427 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:36,436 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:36,446 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:36,466 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:36,573 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:36,595 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:36,663 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:36,675 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:36,687 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:36,757 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:36,782 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:36,916 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:37,099 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:37,253 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:37,306 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:37,544 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:37,636 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:37,704 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:37,716 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:38,918 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:39,257 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:39,699 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:39,897 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:40,889 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:40,902 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:41,056 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:41,829 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:42,737 WARN L180 SmtUtils]: Spent 7.38 s on a formula simplification. DAG size of input: 1503 DAG size of output: 1222 [2018-11-18 12:50:42,852 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:42,853 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:42,854 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:42,861 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:42,871 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:42,878 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:42,880 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:42,880 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:42,888 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:42,889 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:42,926 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:42,930 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:42,936 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:42,938 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:42,957 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:42,961 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:42,985 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:42,990 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:42,993 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:42,996 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:43,024 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:43,046 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:43,056 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:43,076 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:43,095 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:43,164 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:43,186 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:43,220 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:43,230 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:43,250 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:43,256 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:43,624 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:43,632 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:43,648 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:43,657 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:43,665 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:43,682 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:43,778 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:43,799 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:43,863 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:43,875 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:43,886 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:43,953 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:43,977 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:44,109 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:44,152 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:44,298 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:44,353 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:44,539 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:44,643 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:44,709 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:44,721 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:45,989 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:46,359 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:46,808 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:47,011 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:47,967 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:47,979 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:48,144 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:48,869 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:50:49,796 WARN L180 SmtUtils]: Spent 7.06 s on a formula simplification. DAG size of input: 1494 DAG size of output: 1214 [2018-11-18 12:50:50,032 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 128 [2018-11-18 12:50:52,698 WARN L180 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 592 DAG size of output: 201 [2018-11-18 12:51:03,604 WARN L180 SmtUtils]: Spent 10.88 s on a formula simplification. DAG size of input: 1192 DAG size of output: 138 [2018-11-18 12:51:14,640 WARN L180 SmtUtils]: Spent 11.03 s on a formula simplification. DAG size of input: 1183 DAG size of output: 138 [2018-11-18 12:51:14,642 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 12:51:14,642 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= |old(~a22~0)| ~a22~0) (= ~a27~0 |old(~a27~0)|) (= |old(~a3~0)| ~a3~0) (= ~a5~0 |old(~a5~0)|) (= ~a6~0 |old(~a6~0)|) (= ~a26~0 |old(~a26~0)|)) [2018-11-18 12:51:14,642 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 12:51:14,642 INFO L425 ceAbstractionStarter]: For program point L498(lines 498 511) no Hoare annotation was computed. [2018-11-18 12:51:14,642 INFO L425 ceAbstractionStarter]: For program point L498-2(lines 498 511) no Hoare annotation was computed. [2018-11-18 12:51:14,642 INFO L425 ceAbstractionStarter]: For program point L1423(lines 1423 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,642 INFO L425 ceAbstractionStarter]: For program point L366(lines 366 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,642 INFO L425 ceAbstractionStarter]: For program point L1622-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 12:51:14,643 INFO L425 ceAbstractionStarter]: For program point L1556-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 12:51:14,643 INFO L425 ceAbstractionStarter]: For program point L1490-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 12:51:14,643 INFO L425 ceAbstractionStarter]: For program point L301(lines 301 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,643 INFO L425 ceAbstractionStarter]: For program point L1226(lines 1226 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,643 INFO L425 ceAbstractionStarter]: For program point L1623(line 1623) no Hoare annotation was computed. [2018-11-18 12:51:14,643 INFO L425 ceAbstractionStarter]: For program point L566(lines 566 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,643 INFO L425 ceAbstractionStarter]: For program point L1557(line 1557) no Hoare annotation was computed. [2018-11-18 12:51:14,643 INFO L425 ceAbstractionStarter]: For program point L1491(line 1491) no Hoare annotation was computed. [2018-11-18 12:51:14,643 INFO L425 ceAbstractionStarter]: For program point L434(lines 434 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,643 INFO L425 ceAbstractionStarter]: For program point L1359(lines 1359 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,643 INFO L425 ceAbstractionStarter]: For program point L1095(lines 1095 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,643 INFO L425 ceAbstractionStarter]: For program point L633(lines 633 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,643 INFO L425 ceAbstractionStarter]: For program point L1360(lines 1360 1379) no Hoare annotation was computed. [2018-11-18 12:51:14,643 INFO L425 ceAbstractionStarter]: For program point L1360-2(lines 1360 1379) no Hoare annotation was computed. [2018-11-18 12:51:14,643 INFO L425 ceAbstractionStarter]: For program point L1162(lines 1162 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,643 INFO L425 ceAbstractionStarter]: For program point L105(lines 105 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,643 INFO L425 ceAbstractionStarter]: For program point L1625-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 12:51:14,643 INFO L425 ceAbstractionStarter]: For program point L1559-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 12:51:14,643 INFO L425 ceAbstractionStarter]: For program point L1493-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 12:51:14,643 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,643 INFO L425 ceAbstractionStarter]: For program point L172(lines 172 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,643 INFO L425 ceAbstractionStarter]: For program point L1031(lines 1031 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,643 INFO L425 ceAbstractionStarter]: For program point L899(lines 899 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,643 INFO L425 ceAbstractionStarter]: For program point L701(lines 701 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,643 INFO L425 ceAbstractionStarter]: For program point L1626(line 1626) no Hoare annotation was computed. [2018-11-18 12:51:14,644 INFO L425 ceAbstractionStarter]: For program point L1560(line 1560) no Hoare annotation was computed. [2018-11-18 12:51:14,644 INFO L425 ceAbstractionStarter]: For program point L1494(line 1494) no Hoare annotation was computed. [2018-11-18 12:51:14,644 INFO L425 ceAbstractionStarter]: For program point L966(lines 966 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,644 INFO L425 ceAbstractionStarter]: For program point L769(lines 769 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,644 INFO L425 ceAbstractionStarter]: For program point L1628-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 12:51:14,644 INFO L425 ceAbstractionStarter]: For program point L1562-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 12:51:14,644 INFO L425 ceAbstractionStarter]: For program point L1496-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 12:51:14,644 INFO L425 ceAbstractionStarter]: For program point L836(lines 836 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,644 INFO L425 ceAbstractionStarter]: For program point L1629(line 1629) no Hoare annotation was computed. [2018-11-18 12:51:14,644 INFO L425 ceAbstractionStarter]: For program point L1563(line 1563) no Hoare annotation was computed. [2018-11-18 12:51:14,644 INFO L425 ceAbstractionStarter]: For program point L1497(line 1497) no Hoare annotation was computed. [2018-11-18 12:51:14,644 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1608) no Hoare annotation was computed. [2018-11-18 12:51:14,644 INFO L425 ceAbstractionStarter]: For program point L441(lines 441 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,644 INFO L425 ceAbstractionStarter]: For program point L1432(lines 1432 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,644 INFO L425 ceAbstractionStarter]: For program point L574(lines 574 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,644 INFO L425 ceAbstractionStarter]: For program point L1631-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 12:51:14,644 INFO L425 ceAbstractionStarter]: For program point L1565-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 12:51:14,644 INFO L425 ceAbstractionStarter]: For program point L1499-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 12:51:14,644 INFO L425 ceAbstractionStarter]: For program point L1632(line 1632) no Hoare annotation was computed. [2018-11-18 12:51:14,644 INFO L425 ceAbstractionStarter]: For program point L1566(line 1566) no Hoare annotation was computed. [2018-11-18 12:51:14,644 INFO L425 ceAbstractionStarter]: For program point L1500(line 1500) no Hoare annotation was computed. [2018-11-18 12:51:14,644 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,644 INFO L425 ceAbstractionStarter]: For program point L1104(lines 1104 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,644 INFO L425 ceAbstractionStarter]: For program point L1038(lines 1038 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,644 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 395) no Hoare annotation was computed. [2018-11-18 12:51:14,645 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,645 INFO L425 ceAbstractionStarter]: For program point L378-2(lines 378 395) no Hoare annotation was computed. [2018-11-18 12:51:14,645 INFO L425 ceAbstractionStarter]: For program point L1237(lines 1237 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,645 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,645 INFO L425 ceAbstractionStarter]: For program point L1039(lines 1039 1059) no Hoare annotation was computed. [2018-11-18 12:51:14,645 INFO L425 ceAbstractionStarter]: For program point L1039-2(lines 1039 1059) no Hoare annotation was computed. [2018-11-18 12:51:14,645 INFO L425 ceAbstractionStarter]: For program point L907(lines 907 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,645 INFO L425 ceAbstractionStarter]: For program point L709(lines 709 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,645 INFO L425 ceAbstractionStarter]: For program point L643(lines 643 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,645 INFO L425 ceAbstractionStarter]: For program point L1634-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 12:51:14,645 INFO L425 ceAbstractionStarter]: For program point L1568-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 12:51:14,645 INFO L425 ceAbstractionStarter]: For program point L1502-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 12:51:14,645 INFO L425 ceAbstractionStarter]: For program point L181(lines 181 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,645 INFO L425 ceAbstractionStarter]: For program point L710(lines 710 731) no Hoare annotation was computed. [2018-11-18 12:51:14,645 INFO L425 ceAbstractionStarter]: For program point L710-2(lines 710 731) no Hoare annotation was computed. [2018-11-18 12:51:14,645 INFO L425 ceAbstractionStarter]: For program point L1635(line 1635) no Hoare annotation was computed. [2018-11-18 12:51:14,645 INFO L425 ceAbstractionStarter]: For program point L1569(line 1569) no Hoare annotation was computed. [2018-11-18 12:51:14,645 INFO L425 ceAbstractionStarter]: For program point L1503(line 1503) no Hoare annotation was computed. [2018-11-18 12:51:14,645 INFO L425 ceAbstractionStarter]: For program point L1305(lines 1305 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,645 INFO L425 ceAbstractionStarter]: For program point L248(lines 248 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,645 INFO L425 ceAbstractionStarter]: For program point L1173(lines 1173 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,645 INFO L425 ceAbstractionStarter]: For program point L975(lines 975 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,645 INFO L425 ceAbstractionStarter]: For program point L777(lines 777 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,645 INFO L425 ceAbstractionStarter]: For program point L513(lines 513 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,645 INFO L425 ceAbstractionStarter]: For program point L844(lines 844 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,646 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 54 1650) no Hoare annotation was computed. [2018-11-18 12:51:14,646 INFO L425 ceAbstractionStarter]: For program point L1637-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 12:51:14,646 INFO L425 ceAbstractionStarter]: For program point L1571-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 12:51:14,646 INFO L425 ceAbstractionStarter]: For program point L1505-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 12:51:14,646 INFO L425 ceAbstractionStarter]: For program point L1638(line 1638) no Hoare annotation was computed. [2018-11-18 12:51:14,646 INFO L425 ceAbstractionStarter]: For program point L1572(line 1572) no Hoare annotation was computed. [2018-11-18 12:51:14,646 INFO L425 ceAbstractionStarter]: For program point L1506(line 1506) no Hoare annotation was computed. [2018-11-18 12:51:14,646 INFO L425 ceAbstractionStarter]: For program point L450(lines 450 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,646 INFO L425 ceAbstractionStarter]: For program point L583(lines 583 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,646 INFO L425 ceAbstractionStarter]: For program point L1640-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 12:51:14,646 INFO L425 ceAbstractionStarter]: For program point L1574-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 12:51:14,646 INFO L425 ceAbstractionStarter]: For program point L1508-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 12:51:14,646 INFO L425 ceAbstractionStarter]: For program point L1442(lines 1442 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,646 INFO L425 ceAbstractionStarter]: For program point L319(lines 319 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,646 INFO L425 ceAbstractionStarter]: For program point L1112(lines 1112 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,646 INFO L425 ceAbstractionStarter]: For program point L55(lines 55 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,646 INFO L425 ceAbstractionStarter]: For program point L1641(line 1641) no Hoare annotation was computed. [2018-11-18 12:51:14,646 INFO L425 ceAbstractionStarter]: For program point L1575(line 1575) no Hoare annotation was computed. [2018-11-18 12:51:14,646 INFO L425 ceAbstractionStarter]: For program point L1509(line 1509) no Hoare annotation was computed. [2018-11-18 12:51:14,646 INFO L425 ceAbstractionStarter]: For program point L56(lines 56 71) no Hoare annotation was computed. [2018-11-18 12:51:14,646 INFO L425 ceAbstractionStarter]: For program point L56-2(lines 56 71) no Hoare annotation was computed. [2018-11-18 12:51:14,646 INFO L425 ceAbstractionStarter]: For program point L784(lines 784 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,646 INFO L425 ceAbstractionStarter]: For program point L1643-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 12:51:14,646 INFO L425 ceAbstractionStarter]: For program point L1577-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 12:51:14,646 INFO L425 ceAbstractionStarter]: For program point L1511-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 12:51:14,646 INFO L425 ceAbstractionStarter]: For program point L1313(lines 1313 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,647 INFO L425 ceAbstractionStarter]: For program point L983(lines 983 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,647 INFO L425 ceAbstractionStarter]: For program point L917(lines 917 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,647 INFO L425 ceAbstractionStarter]: For program point L653(lines 653 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,647 INFO L425 ceAbstractionStarter]: For program point L1644(line 1644) no Hoare annotation was computed. [2018-11-18 12:51:14,647 INFO L425 ceAbstractionStarter]: For program point L1578(line 1578) no Hoare annotation was computed. [2018-11-18 12:51:14,647 INFO L425 ceAbstractionStarter]: For program point L1512(line 1512) no Hoare annotation was computed. [2018-11-18 12:51:14,647 INFO L425 ceAbstractionStarter]: For program point L257(lines 257 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,647 INFO L425 ceAbstractionStarter]: For program point L191(lines 191 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,647 INFO L425 ceAbstractionStarter]: For program point L1182(lines 1182 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,647 INFO L425 ceAbstractionStarter]: For program point L918(lines 918 935) no Hoare annotation was computed. [2018-11-18 12:51:14,647 INFO L425 ceAbstractionStarter]: For program point L918-2(lines 918 935) no Hoare annotation was computed. [2018-11-18 12:51:14,647 INFO L425 ceAbstractionStarter]: For program point L522(lines 522 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,647 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 54 1650) the Hoare annotation is: (let ((.cse5 (= 1 |old(~a12~0)|)) (.cse25 (= ~a12~0 |old(~a12~0)|)) (.cse18 (= ~a6~0 |old(~a6~0)|)) (.cse19 (= ~a26~0 |old(~a26~0)|)) (.cse20 (= |old(~a22~0)| ~a22~0)) (.cse26 (= ~a27~0 |old(~a27~0)|)) (.cse21 (= |old(~a3~0)| ~a3~0)) (.cse13 (= 1 ~a11~0)) (.cse22 (= ~a5~0 |old(~a5~0)|)) (.cse24 (= 1 ~a12~0))) (let ((.cse7 (and .cse18 .cse19 .cse20 .cse26 .cse21 .cse13 .cse22 .cse24)) (.cse6 (and .cse25 .cse20 .cse26 .cse21 .cse22 .cse18 .cse19)) (.cse12 (and .cse25 .cse18 .cse19 .cse20 .cse26 .cse21 .cse13 .cse22)) (.cse1 (and .cse20 .cse26 .cse21 .cse22 .cse18 .cse24 .cse19)) (.cse17 (= |old(~a6~0)| |old(~a22~0)|)) (.cse15 (and .cse18 .cse19 .cse20 .cse26 .cse21 .cse22 .cse24)) (.cse14 (< |old(~a3~0)| 2)) (.cse23 (= 1 ~a27~0)) (.cse43 (not (= 1 |old(~a10~0)|))) (.cse44 (not (= 1 |old(~a22~0)|))) (.cse46 (not (= 1 |old(~a16~0)|))) (.cse47 (not (= 1 ~a18~0))) (.cse28 (= ~a4~0 1)) (.cse30 (= ~a16~0 1)) (.cse31 (= ~a15~0 1)) (.cse32 (= ~a0~0 1)) (.cse33 (= ~a17~0 0)) (.cse34 (= ~a20~0 0)) (.cse35 (= ~a25~0 0)) (.cse36 (= ~a23~0 0)) (.cse37 (= ~a1~0 1)) (.cse38 (= ~a29~0 1)) (.cse39 (= ~a14~0 0)) (.cse27 (= ~a19~0 0)) (.cse29 (= ~a8~0 0)) (.cse40 (= ~a7~0 0)) (.cse41 (= ~a10~0 1)) (.cse42 (= ~a2~0 0)) (.cse48 (not (= 0 |old(~a26~0)|))) (.cse49 (not (= 1 |old(~a1~0)|))) (.cse50 (not (= 0 |old(~a2~0)|))) (.cse52 (not (= 0 |old(~a25~0)|))) (.cse4 (not (= 1 |old(~a6~0)|))) (.cse0 (not .cse5)) (.cse53 (not (= 0 |old(~a7~0)|))) (.cse54 (not (= 1 |old(~a15~0)|))) (.cse55 (not (= 0 |old(~a20~0)|))) (.cse56 (not (= 0 |old(~a23~0)|))) (.cse57 (not (= 1 |old(~a0~0)|))) (.cse58 (not (= 0 |old(~a19~0)|))) (.cse59 (not (= 1 |old(~a29~0)|))) (.cse60 (= |calculate_output_#in~input| 0)) (.cse61 (not (= 0 |old(~a8~0)|))) (.cse62 (not (= 0 |old(~a14~0)|))) (.cse63 (not (= 0 |old(~a17~0)|))) (.cse64 (not (= 1 |old(~a4~0)|))) (.cse9 (not (= 0 |old(~a3~0)|))) (.cse3 (< 0 |old(~a27~0)|)) (.cse8 (< 0 |old(~a6~0)|)) (.cse2 (not (= 1 |old(~a5~0)|))) (.cse10 (not (= 1 |old(~a26~0)|))) (.cse11 (not (= 1 |old(~a11~0)|))) (.cse16 (not (= 1 |old(~a27~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse5 .cse6 .cse4) (or .cse7 .cse0 .cse8 .cse9 .cse2 .cse10 .cse11) (or .cse12 .cse8 .cse2 .cse10 .cse5 .cse11) (or .cse0 .cse8 .cse7 .cse2 .cse10 .cse3 .cse11) (or .cse0 .cse9 .cse2 .cse11 .cse4 .cse7) (or .cse13 .cse2 .cse5 .cse11 .cse4) (or .cse13 .cse2 .cse11 .cse14 .cse4) (or .cse0 .cse9 .cse2 .cse10 .cse15 .cse4) (or .cse13 .cse2 .cse10 .cse11 .cse16 .cse4) (or .cse0 .cse8 .cse2 .cse14 .cse1) (or .cse8 .cse6 .cse2 .cse5 .cse17) (or .cse8 .cse9 .cse13 .cse2 .cse5 .cse11) (or .cse0 (and .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24) .cse2 .cse10 .cse16 .cse4) (or .cse8 .cse2 .cse3 .cse12 .cse5 .cse11 .cse14) (or .cse8 .cse2 .cse10 .cse3 (and .cse25 .cse18 .cse19 .cse20 .cse26 .cse21 .cse22) .cse5) (or .cse0 .cse2 .cse1 .cse14 .cse4) (or .cse13 .cse2 .cse3 .cse11 .cse4) (or .cse8 .cse2 .cse5 .cse11 .cse17 .cse13) (or (and (and .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 (= ~a11~0 0) .cse33 .cse34 .cse35 .cse36 .cse37 .cse38 .cse39) .cse40 .cse41 .cse42) (let ((.cse45 (not (= 0 |old(~a11~0)|))) (.cse51 (not (= 0 |old(~a12~0)|)))) (and (or .cse43 .cse44 .cse45 .cse46 .cse47 .cse48 .cse49 .cse50 .cse51 .cse52 .cse53 .cse16) (or .cse43 (not (= 0 |old(~a27~0)|)) .cse44 .cse45 .cse46 .cse47 .cse48 .cse49 .cse50 .cse51 .cse52 .cse53))) (not (= 0 |old(~a6~0)|)) .cse54 .cse55 .cse56 .cse57 .cse58 .cse59 .cse60 .cse61 .cse62 (not (= 1 |old(~a3~0)|)) .cse63 .cse2 .cse64) (or .cse0 .cse8 .cse9 .cse15 .cse2 .cse3) (or .cse8 .cse9 .cse2 .cse5 (and .cse25 .cse20 .cse26 .cse22 .cse18 (= 0 ~a3~0) .cse19)) (or .cse48 .cse8 .cse2 .cse47 (and .cse25 .cse18 (= ~a26~0 0) .cse20 .cse21 (= ~a27~0 1) .cse13 .cse22) .cse5 .cse11 .cse16 .cse14) (or .cse8 .cse2 .cse10 (and .cse25 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23) .cse16) (or (or .cse43 .cse44 .cse46 .cse47 (not (= 2 |old(~a3~0)|))) (and (and .cse28 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36 .cse37 .cse38 .cse39) .cse27 .cse29 .cse40 .cse41 .cse42) .cse48 .cse49 .cse50 .cse52 .cse4 .cse0 .cse53 .cse54 .cse55 .cse56 .cse57 .cse58 .cse59 .cse60 .cse11 .cse16 .cse61 .cse62 .cse63 .cse2 .cse64) (or .cse13 .cse8 .cse9 .cse2 .cse3 .cse11) (or .cse13 .cse8 .cse2 .cse10 .cse11 .cse16)))) [2018-11-18 12:51:14,647 INFO L425 ceAbstractionStarter]: For program point L1381(lines 1381 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,647 INFO L425 ceAbstractionStarter]: For program point L1249(lines 1249 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,647 INFO L425 ceAbstractionStarter]: For program point L192(lines 192 211) no Hoare annotation was computed. [2018-11-18 12:51:14,648 INFO L425 ceAbstractionStarter]: For program point L126(lines 126 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,648 INFO L425 ceAbstractionStarter]: For program point L192-2(lines 192 211) no Hoare annotation was computed. [2018-11-18 12:51:14,648 INFO L425 ceAbstractionStarter]: For program point L853(lines 853 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,648 INFO L425 ceAbstractionStarter]: For program point L1646-1(lines 1646 1648) no Hoare annotation was computed. [2018-11-18 12:51:14,648 INFO L425 ceAbstractionStarter]: For program point L1580-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 12:51:14,648 INFO L425 ceAbstractionStarter]: For program point L1514-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 12:51:14,648 INFO L425 ceAbstractionStarter]: For program point L1382(lines 1382 1400) no Hoare annotation was computed. [2018-11-18 12:51:14,648 INFO L425 ceAbstractionStarter]: For program point L1382-2(lines 1382 1400) no Hoare annotation was computed. [2018-11-18 12:51:14,648 INFO L425 ceAbstractionStarter]: For program point L1250(lines 1250 1272) no Hoare annotation was computed. [2018-11-18 12:51:14,648 INFO L425 ceAbstractionStarter]: For program point L1250-2(lines 1250 1272) no Hoare annotation was computed. [2018-11-18 12:51:14,648 INFO L425 ceAbstractionStarter]: For program point L1647(line 1647) no Hoare annotation was computed. [2018-11-18 12:51:14,648 INFO L425 ceAbstractionStarter]: For program point L1581(line 1581) no Hoare annotation was computed. [2018-11-18 12:51:14,648 INFO L425 ceAbstractionStarter]: For program point L1515(line 1515) no Hoare annotation was computed. [2018-11-18 12:51:14,648 INFO L425 ceAbstractionStarter]: For program point L458(lines 458 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,648 INFO L425 ceAbstractionStarter]: For program point L1120(lines 1120 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,648 INFO L425 ceAbstractionStarter]: For program point L658(lines 658 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,648 INFO L425 ceAbstractionStarter]: For program point L592(lines 592 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,648 INFO L425 ceAbstractionStarter]: For program point L1583-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 12:51:14,648 INFO L425 ceAbstractionStarter]: For program point L1517-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 12:51:14,648 INFO L425 ceAbstractionStarter]: For program point L1584(line 1584) no Hoare annotation was computed. [2018-11-18 12:51:14,648 INFO L425 ceAbstractionStarter]: For program point L1518(line 1518) no Hoare annotation was computed. [2018-11-18 12:51:14,648 INFO L425 ceAbstractionStarter]: For program point L1452(lines 1452 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,648 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,648 INFO L425 ceAbstractionStarter]: For program point L1321(lines 1321 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,648 INFO L425 ceAbstractionStarter]: For program point L529(lines 529 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,648 INFO L425 ceAbstractionStarter]: For program point L1586-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 12:51:14,649 INFO L425 ceAbstractionStarter]: For program point L1520-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 12:51:14,649 INFO L425 ceAbstractionStarter]: For program point L397(lines 397 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,649 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,649 INFO L425 ceAbstractionStarter]: For program point L1190(lines 1190 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,649 INFO L425 ceAbstractionStarter]: For program point L1587(line 1587) no Hoare annotation was computed. [2018-11-18 12:51:14,649 INFO L425 ceAbstractionStarter]: For program point L1521(line 1521) no Hoare annotation was computed. [2018-11-18 12:51:14,649 INFO L425 ceAbstractionStarter]: For program point L795(lines 795 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,649 INFO L425 ceAbstractionStarter]: For program point L135(lines 135 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,649 INFO L425 ceAbstractionStarter]: For program point L994(lines 994 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,649 INFO L425 ceAbstractionStarter]: For program point L1589-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 12:51:14,649 INFO L425 ceAbstractionStarter]: For program point L1523-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 12:51:14,649 INFO L425 ceAbstractionStarter]: For program point L1127(lines 1127 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,649 INFO L425 ceAbstractionStarter]: For program point L1061(lines 1061 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,649 INFO L425 ceAbstractionStarter]: For program point L863(lines 863 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,649 INFO L425 ceAbstractionStarter]: For program point L665(lines 665 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,649 INFO L425 ceAbstractionStarter]: For program point L1590(line 1590) no Hoare annotation was computed. [2018-11-18 12:51:14,649 INFO L425 ceAbstractionStarter]: For program point L1524(line 1524) no Hoare annotation was computed. [2018-11-18 12:51:14,649 INFO L425 ceAbstractionStarter]: For program point L467(lines 467 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,649 INFO L425 ceAbstractionStarter]: For program point L1326(lines 1326 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,649 INFO L425 ceAbstractionStarter]: For program point L468(lines 468 478) no Hoare annotation was computed. [2018-11-18 12:51:14,649 INFO L425 ceAbstractionStarter]: For program point L468-2(lines 468 478) no Hoare annotation was computed. [2018-11-18 12:51:14,649 INFO L425 ceAbstractionStarter]: For program point L733(lines 733 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,649 INFO L425 ceAbstractionStarter]: For program point L1592-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 12:51:14,649 INFO L425 ceAbstractionStarter]: For program point L1526-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 12:51:14,649 INFO L425 ceAbstractionStarter]: For program point L1460(lines 1460 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,649 INFO L425 ceAbstractionStarter]: For program point L73(lines 73 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,649 INFO L425 ceAbstractionStarter]: For program point L1593(line 1593) no Hoare annotation was computed. [2018-11-18 12:51:14,650 INFO L425 ceAbstractionStarter]: For program point L1527(line 1527) no Hoare annotation was computed. [2018-11-18 12:51:14,650 INFO L425 ceAbstractionStarter]: For program point L603(lines 603 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,650 INFO L425 ceAbstractionStarter]: For program point L405(lines 405 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,650 INFO L425 ceAbstractionStarter]: For program point L339(lines 339 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,650 INFO L425 ceAbstractionStarter]: For program point L1132(lines 1132 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,650 INFO L425 ceAbstractionStarter]: For program point L1066(lines 1066 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,650 INFO L425 ceAbstractionStarter]: For program point L868(lines 868 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,650 INFO L425 ceAbstractionStarter]: For program point L1595-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 12:51:14,650 INFO L425 ceAbstractionStarter]: For program point L1529-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 12:51:14,650 INFO L425 ceAbstractionStarter]: For program point L869(lines 869 887) no Hoare annotation was computed. [2018-11-18 12:51:14,650 INFO L425 ceAbstractionStarter]: For program point L869-2(lines 869 887) no Hoare annotation was computed. [2018-11-18 12:51:14,650 INFO L425 ceAbstractionStarter]: For program point L1596(line 1596) no Hoare annotation was computed. [2018-11-18 12:51:14,650 INFO L425 ceAbstractionStarter]: For program point L539(lines 539 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,650 INFO L425 ceAbstractionStarter]: For program point L1530(line 1530) no Hoare annotation was computed. [2018-11-18 12:51:14,650 INFO L425 ceAbstractionStarter]: For program point L1200(lines 1200 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,650 INFO L425 ceAbstractionStarter]: For program point L804(lines 804 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,650 INFO L425 ceAbstractionStarter]: For program point L276(lines 276 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,650 INFO L425 ceAbstractionStarter]: For program point L1003(lines 1003 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,650 INFO L425 ceAbstractionStarter]: For program point L937(lines 937 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,650 INFO L425 ceAbstractionStarter]: For program point L1598-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 12:51:14,650 INFO L425 ceAbstractionStarter]: For program point L1532-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 12:51:14,650 INFO L425 ceAbstractionStarter]: For program point L1466(lines 1466 1468) no Hoare annotation was computed. [2018-11-18 12:51:14,650 INFO L425 ceAbstractionStarter]: For program point L1466-2(lines 54 1650) no Hoare annotation was computed. [2018-11-18 12:51:14,650 INFO L425 ceAbstractionStarter]: For program point L1599(line 1599) no Hoare annotation was computed. [2018-11-18 12:51:14,650 INFO L425 ceAbstractionStarter]: For program point L1533(line 1533) no Hoare annotation was computed. [2018-11-18 12:51:14,650 INFO L425 ceAbstractionStarter]: For program point L1467(line 1467) no Hoare annotation was computed. [2018-11-18 12:51:14,651 INFO L425 ceAbstractionStarter]: For program point L146(lines 146 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,651 INFO L425 ceAbstractionStarter]: For program point L675(lines 675 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,651 INFO L425 ceAbstractionStarter]: For program point L1402(lines 1402 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,651 INFO L425 ceAbstractionStarter]: For program point L1336(lines 1336 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,651 INFO L425 ceAbstractionStarter]: For program point L213(lines 213 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,651 INFO L425 ceAbstractionStarter]: For program point L1601-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 12:51:14,651 INFO L425 ceAbstractionStarter]: For program point L1535-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 12:51:14,651 INFO L425 ceAbstractionStarter]: For program point L1469-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 12:51:14,651 INFO L425 ceAbstractionStarter]: For program point L1403(lines 1403 1421) no Hoare annotation was computed. [2018-11-18 12:51:14,651 INFO L425 ceAbstractionStarter]: For program point L1403-2(lines 1403 1421) no Hoare annotation was computed. [2018-11-18 12:51:14,651 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,651 INFO L425 ceAbstractionStarter]: For program point L743(lines 743 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,651 INFO L425 ceAbstractionStarter]: For program point L1602(line 1602) no Hoare annotation was computed. [2018-11-18 12:51:14,651 INFO L425 ceAbstractionStarter]: For program point L1536(line 1536) no Hoare annotation was computed. [2018-11-18 12:51:14,651 INFO L425 ceAbstractionStarter]: For program point L1470(line 1470) no Hoare annotation was computed. [2018-11-18 12:51:14,651 INFO L425 ceAbstractionStarter]: For program point L1074(lines 1074 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,651 INFO L425 ceAbstractionStarter]: For program point L546(lines 546 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,651 INFO L425 ceAbstractionStarter]: For program point L480(lines 480 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,651 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,651 INFO L425 ceAbstractionStarter]: For program point L348(lines 348 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,652 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 54 1650) no Hoare annotation was computed. [2018-11-18 12:51:14,652 INFO L425 ceAbstractionStarter]: For program point L1604-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 12:51:14,652 INFO L425 ceAbstractionStarter]: For program point L1538-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 12:51:14,652 INFO L425 ceAbstractionStarter]: For program point L1472-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 12:51:14,652 INFO L425 ceAbstractionStarter]: For program point L1274(lines 1274 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,652 INFO L425 ceAbstractionStarter]: For program point L1142(lines 1142 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,652 INFO L425 ceAbstractionStarter]: For program point L614(lines 614 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,652 INFO L425 ceAbstractionStarter]: For program point L1605(line 1605) no Hoare annotation was computed. [2018-11-18 12:51:14,652 INFO L425 ceAbstractionStarter]: For program point L1539(line 1539) no Hoare annotation was computed. [2018-11-18 12:51:14,652 INFO L425 ceAbstractionStarter]: For program point L1473(line 1473) no Hoare annotation was computed. [2018-11-18 12:51:14,652 INFO L425 ceAbstractionStarter]: For program point L284(lines 284 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,652 INFO L425 ceAbstractionStarter]: For program point L1011(lines 1011 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,652 INFO L425 ceAbstractionStarter]: For program point L813(lines 813 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,652 INFO L425 ceAbstractionStarter]: For program point L1210(lines 1210 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,652 INFO L425 ceAbstractionStarter]: For program point L1607-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 12:51:14,653 INFO L425 ceAbstractionStarter]: For program point L1541-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 12:51:14,653 INFO L425 ceAbstractionStarter]: For program point L1475-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 12:51:14,653 INFO L425 ceAbstractionStarter]: For program point L1211(lines 1211 1224) no Hoare annotation was computed. [2018-11-18 12:51:14,653 INFO L425 ceAbstractionStarter]: For program point L1211-2(lines 1211 1224) no Hoare annotation was computed. [2018-11-18 12:51:14,653 INFO L425 ceAbstractionStarter]: For program point L947(lines 947 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,653 INFO L425 ceAbstractionStarter]: For program point L1608(line 1608) no Hoare annotation was computed. [2018-11-18 12:51:14,653 INFO L425 ceAbstractionStarter]: For program point L1542(line 1542) no Hoare annotation was computed. [2018-11-18 12:51:14,653 INFO L425 ceAbstractionStarter]: For program point L1476(line 1476) no Hoare annotation was computed. [2018-11-18 12:51:14,653 INFO L425 ceAbstractionStarter]: For program point L1344(lines 1344 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,653 INFO L425 ceAbstractionStarter]: For program point L155(lines 155 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,653 INFO L425 ceAbstractionStarter]: For program point L89(lines 89 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,653 INFO L425 ceAbstractionStarter]: For program point L684(lines 684 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,653 INFO L425 ceAbstractionStarter]: For program point L222(lines 222 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,653 INFO L425 ceAbstractionStarter]: For program point L685(lines 685 699) no Hoare annotation was computed. [2018-11-18 12:51:14,654 INFO L425 ceAbstractionStarter]: For program point L685-2(lines 685 699) no Hoare annotation was computed. [2018-11-18 12:51:14,654 INFO L425 ceAbstractionStarter]: For program point L1610-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 12:51:14,654 INFO L425 ceAbstractionStarter]: For program point L1544-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 12:51:14,654 INFO L425 ceAbstractionStarter]: For program point L1478-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 12:51:14,654 INFO L425 ceAbstractionStarter]: For program point L1611(line 1611) no Hoare annotation was computed. [2018-11-18 12:51:14,654 INFO L425 ceAbstractionStarter]: For program point L1545(line 1545) no Hoare annotation was computed. [2018-11-18 12:51:14,654 INFO L425 ceAbstractionStarter]: For program point L488(lines 488 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,654 INFO L425 ceAbstractionStarter]: For program point L1479(line 1479) no Hoare annotation was computed. [2018-11-18 12:51:14,654 INFO L425 ceAbstractionStarter]: For program point L422(lines 422 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,654 INFO L425 ceAbstractionStarter]: For program point L356(lines 356 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,654 INFO L425 ceAbstractionStarter]: For program point L753(lines 753 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,654 INFO L425 ceAbstractionStarter]: For program point L622(lines 622 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,654 INFO L425 ceAbstractionStarter]: For program point L556(lines 556 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,654 INFO L425 ceAbstractionStarter]: For program point L1613-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 12:51:14,654 INFO L425 ceAbstractionStarter]: For program point L1547-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 12:51:14,655 INFO L425 ceAbstractionStarter]: For program point L1481-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 12:51:14,655 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,655 INFO L425 ceAbstractionStarter]: For program point L1283(lines 1283 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,655 INFO L425 ceAbstractionStarter]: For program point L1614(line 1614) no Hoare annotation was computed. [2018-11-18 12:51:14,655 INFO L425 ceAbstractionStarter]: For program point L1548(line 1548) no Hoare annotation was computed. [2018-11-18 12:51:14,655 INFO L425 ceAbstractionStarter]: For program point L1482(line 1482) no Hoare annotation was computed. [2018-11-18 12:51:14,655 INFO L425 ceAbstractionStarter]: For program point L1350(lines 1350 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,655 INFO L425 ceAbstractionStarter]: For program point L1284(lines 1284 1303) no Hoare annotation was computed. [2018-11-18 12:51:14,655 INFO L425 ceAbstractionStarter]: For program point L1284-2(lines 1284 1303) no Hoare annotation was computed. [2018-11-18 12:51:14,655 INFO L425 ceAbstractionStarter]: For program point L1152(lines 1152 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,655 INFO L425 ceAbstractionStarter]: For program point L95(lines 95 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,655 INFO L425 ceAbstractionStarter]: For program point L1086(lines 1086 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,655 INFO L425 ceAbstractionStarter]: For program point L1021(lines 1021 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,656 INFO L425 ceAbstractionStarter]: For program point L955(lines 955 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,656 INFO L425 ceAbstractionStarter]: For program point L889(lines 889 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,656 INFO L425 ceAbstractionStarter]: For program point L1616-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 12:51:14,656 INFO L425 ceAbstractionStarter]: For program point L1550-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 12:51:14,656 INFO L425 ceAbstractionStarter]: For program point L1484-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 12:51:14,656 INFO L425 ceAbstractionStarter]: For program point L1617(line 1617) no Hoare annotation was computed. [2018-11-18 12:51:14,656 INFO L425 ceAbstractionStarter]: For program point L1551(line 1551) no Hoare annotation was computed. [2018-11-18 12:51:14,656 INFO L425 ceAbstractionStarter]: For program point L1485(line 1485) no Hoare annotation was computed. [2018-11-18 12:51:14,656 INFO L425 ceAbstractionStarter]: For program point L164(lines 164 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,656 INFO L425 ceAbstractionStarter]: For program point L825(lines 825 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,656 INFO L425 ceAbstractionStarter]: For program point L1619-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 12:51:14,656 INFO L425 ceAbstractionStarter]: For program point L1553-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 12:51:14,656 INFO L425 ceAbstractionStarter]: For program point L1487-1(lines 54 1650) no Hoare annotation was computed. [2018-11-18 12:51:14,656 INFO L425 ceAbstractionStarter]: For program point L761(lines 761 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,657 INFO L425 ceAbstractionStarter]: For program point L1620(line 1620) no Hoare annotation was computed. [2018-11-18 12:51:14,657 INFO L425 ceAbstractionStarter]: For program point L1554(line 1554) no Hoare annotation was computed. [2018-11-18 12:51:14,657 INFO L425 ceAbstractionStarter]: For program point L497(lines 497 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,657 INFO L425 ceAbstractionStarter]: For program point L1488(line 1488) no Hoare annotation was computed. [2018-11-18 12:51:14,657 INFO L425 ceAbstractionStarter]: For program point L233(lines 233 1465) no Hoare annotation was computed. [2018-11-18 12:51:14,657 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 12:51:14,657 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a12~0 0) (= ~a4~0 1) (= ~a16~0 1) (= ~a15~0 1) (= ~a0~0 1) (= ~a26~0 0) (= ~a11~0 0) (= ~a17~0 0) (= ~a20~0 0) (= ~a25~0 0) (= ~a27~0 1) (= ~a23~0 0) (= ~a22~0 1) (= ~a1~0 1) (= ~a29~0 1) (= ~a6~0 0) (= ~a14~0 0) (= ~a3~0 1) (= ~a19~0 0) (= ~a18~0 1) (= ~a8~0 0) (= ~a5~0 1) (= ~a7~0 0) (= ~a10~0 1) (= ~a2~0 0)) [2018-11-18 12:51:14,657 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 12:51:14,657 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 12:51:14,657 INFO L425 ceAbstractionStarter]: For program point L1666-1(line 1666) no Hoare annotation was computed. [2018-11-18 12:51:14,657 INFO L425 ceAbstractionStarter]: For program point L1663(line 1663) no Hoare annotation was computed. [2018-11-18 12:51:14,657 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 1652 1669) the Hoare annotation is: (or (or (not (= 1 |old(~a10~0)|)) (not (= 1 |old(~a22~0)|)) (not (= 0 |old(~a11~0)|)) (not (= 1 |old(~a16~0)|)) (not (= 1 ~a18~0)) (not (= 0 |old(~a26~0)|)) (not (= 1 |old(~a1~0)|)) (not (= 0 |old(~a2~0)|)) (not (= 0 |old(~a12~0)|)) (not (= 0 |old(~a25~0)|)) (not (= 0 |old(~a7~0)|))) (not (= 0 |old(~a6~0)|)) (not (= 1 |old(~a15~0)|)) (not (= 0 |old(~a20~0)|)) (not (= 0 |old(~a23~0)|)) (not (= 1 |old(~a0~0)|)) (not (= 0 |old(~a19~0)|)) (not (= 1 |old(~a29~0)|)) (not (= 1 |old(~a27~0)|)) (not (= 0 |old(~a8~0)|)) (and (= ~a12~0 0) (= ~a4~0 1) (= ~a16~0 1) (= ~a15~0 1) (= ~a0~0 1) (= ~a26~0 0) (= ~a11~0 0) (= ~a17~0 0) (= ~a20~0 0) (= ~a25~0 0) (= ~a27~0 1) (= ~a23~0 0) (= ~a22~0 1) (= ~a1~0 1) (= ~a29~0 1) (= ~a14~0 0) (= ~a19~0 0) (= ~a8~0 0) (= ~a6~0 |old(~a6~0)|) (= ~a5~0 1) (= ~a7~0 0) (= ~a10~0 1) (= |old(~a3~0)| ~a3~0) (= ~a2~0 0)) (not (= 0 |old(~a14~0)|)) (not (= 1 |old(~a3~0)|)) (not (= 0 |old(~a17~0)|)) (not (= 1 |old(~a5~0)|)) (not (= 1 |old(~a4~0)|))) [2018-11-18 12:51:14,657 INFO L425 ceAbstractionStarter]: For program point L1658-1(lines 1658 1668) no Hoare annotation was computed. [2018-11-18 12:51:14,657 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 1652 1669) no Hoare annotation was computed. [2018-11-18 12:51:14,658 INFO L421 ceAbstractionStarter]: At program point L1658-3(lines 1658 1668) the Hoare annotation is: (let ((.cse6 (<= ~a6~0 0)) (.cse2 (= 1 ~a11~0)) (.cse5 (not (= ~a12~0 1)))) (let ((.cse3 (= 0 ~a3~0)) (.cse0 (= 1 ~a6~0)) (.cse8 (<= 2 ~a3~0)) (.cse10 (and .cse6 .cse2 .cse5 (or (not (= 1 |old(~a26~0)|)) (not (= |old(~a5~0)| 1))))) (.cse7 (<= ~a27~0 0)) (.cse1 (= ~a5~0 |old(~a5~0)|)) (.cse11 (= 1 ~a27~0)) (.cse9 (= 1 ~a5~0)) (.cse4 (= 1 ~a26~0))) (or (and .cse0 .cse1 (and .cse2 .cse3)) (and .cse0 (and .cse1 .cse3 .cse4)) (and .cse0 .cse1 .cse5) (and (and .cse6 .cse5 (not (= ~a22~0 ~a6~0))) .cse1) (and .cse0 .cse1 .cse7) (and .cse6 .cse1 .cse3 .cse7) (not (= 1 |old(~a27~0)|)) (and .cse6 .cse8 .cse1 (= 1 ~a12~0)) (and (and .cse6 .cse9 .cse5 .cse4) .cse7) (and (and .cse10 (= ~a27~0 1) (= ~a26~0 0)) .cse8 .cse1) (and (and .cse6 .cse5 .cse3) .cse1) (or (not (= 1 |old(~a10~0)|)) (not (= 1 |old(~a22~0)|)) (not (= 0 |old(~a11~0)|)) (not (= 1 |old(~a16~0)|)) (not (= 1 ~a18~0)) (not (= 0 |old(~a26~0)|)) (not (= 1 |old(~a1~0)|)) (not (= 0 |old(~a12~0)|)) (not (= 0 |old(~a25~0)|)) (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a15~0)|)) (not (= 0 |old(~a20~0)|)) (not (= 0 |old(~a23~0)|)) (not (= 1 |old(~a0~0)|)) (not (= 0 |old(~a19~0)|)) (not (= 1 |old(~a29~0)|)) (not (= 0 |old(~a8~0)|)) (not (= 1 |old(~a3~0)|)) (not (= 0 |old(~a17~0)|)) (not (= 1 |old(~a5~0)|)) (not (= 1 |old(~a4~0)|))) (and (and .cse6 (and .cse2 .cse3 .cse4)) .cse1) (and .cse0 .cse1 .cse11 .cse4) (not (= 0 |old(~a6~0)|)) (not (= 0 |old(~a14~0)|)) (and .cse8 .cse0 .cse1) (and (and .cse6 .cse9 .cse2 .cse4) .cse7) (and .cse8 .cse1 (and .cse10 .cse7)) (not (= 0 |old(~a2~0)|)) (and .cse6 .cse1 .cse11 .cse4) (and .cse6 .cse9 .cse2 .cse5 .cse4)))) [2018-11-18 12:51:14,658 INFO L425 ceAbstractionStarter]: For program point L1658-4(lines 1652 1669) no Hoare annotation was computed. [2018-11-18 12:51:14,658 INFO L421 ceAbstractionStarter]: At program point L1666(line 1666) the Hoare annotation is: (let ((.cse6 (<= ~a6~0 0)) (.cse2 (= 1 ~a11~0)) (.cse5 (not (= ~a12~0 1)))) (let ((.cse3 (= 0 ~a3~0)) (.cse0 (= 1 ~a6~0)) (.cse8 (<= 2 ~a3~0)) (.cse10 (and .cse6 .cse2 .cse5 (or (not (= 1 |old(~a26~0)|)) (not (= |old(~a5~0)| 1))))) (.cse7 (<= ~a27~0 0)) (.cse1 (= ~a5~0 |old(~a5~0)|)) (.cse11 (= 1 ~a27~0)) (.cse9 (= 1 ~a5~0)) (.cse4 (= 1 ~a26~0))) (or (and .cse0 .cse1 (and .cse2 .cse3)) (and .cse0 (and .cse1 .cse3 .cse4)) (and .cse0 .cse1 .cse5) (and (and .cse6 .cse5 (not (= ~a22~0 ~a6~0))) .cse1) (and .cse0 .cse1 .cse7) (and .cse6 .cse1 .cse3 .cse7) (not (= 1 |old(~a27~0)|)) (and .cse6 .cse8 .cse1 (= 1 ~a12~0)) (and (and .cse6 .cse9 .cse5 .cse4) .cse7) (and (and .cse10 (= ~a27~0 1) (= ~a26~0 0)) .cse8 .cse1) (and (and .cse6 .cse5 .cse3) .cse1) (or (not (= 1 |old(~a10~0)|)) (not (= 1 |old(~a22~0)|)) (not (= 0 |old(~a11~0)|)) (not (= 1 |old(~a16~0)|)) (not (= 1 ~a18~0)) (not (= 0 |old(~a26~0)|)) (not (= 1 |old(~a1~0)|)) (not (= 0 |old(~a12~0)|)) (not (= 0 |old(~a25~0)|)) (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a15~0)|)) (not (= 0 |old(~a20~0)|)) (not (= 0 |old(~a23~0)|)) (not (= 1 |old(~a0~0)|)) (not (= 0 |old(~a19~0)|)) (not (= 1 |old(~a29~0)|)) (not (= 0 |old(~a8~0)|)) (not (= 1 |old(~a3~0)|)) (not (= 0 |old(~a17~0)|)) (not (= 1 |old(~a5~0)|)) (not (= 1 |old(~a4~0)|))) (and (and .cse6 (and .cse2 .cse3 .cse4)) .cse1) (and .cse0 .cse1 .cse11 .cse4) (not (= 0 |old(~a6~0)|)) (not (= 0 |old(~a14~0)|)) (and .cse8 .cse0 .cse1) (and (and .cse6 .cse9 .cse2 .cse4) .cse7) (and .cse8 .cse1 (and .cse10 .cse7)) (not (= 0 |old(~a2~0)|)) (and .cse6 .cse1 .cse11 .cse4) (and .cse6 .cse9 .cse2 .cse5 .cse4)))) [2018-11-18 12:51:14,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 12:51:14 BoogieIcfgContainer [2018-11-18 12:51:14,673 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 12:51:14,673 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:51:14,673 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:51:14,674 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:51:14,674 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:49:12" (3/4) ... [2018-11-18 12:51:14,677 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 12:51:14,681 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 12:51:14,682 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 12:51:14,682 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 12:51:14,700 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 12:51:14,702 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 12:51:14,723 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((1 == a6 && a5 == \old(a5)) && 1 == a11 && 0 == a3) || (1 == a6 && (a5 == \old(a5) && 0 == a3) && 1 == a26)) || ((1 == a6 && a5 == \old(a5)) && !(a12 == 1))) || (((a6 <= 0 && !(a12 == 1)) && !(a22 == a6)) && a5 == \old(a5))) || ((1 == a6 && a5 == \old(a5)) && a27 <= 0)) || (((a6 <= 0 && a5 == \old(a5)) && 0 == a3) && a27 <= 0)) || !(1 == \old(a27))) || (((a6 <= 0 && 2 <= a3) && a5 == \old(a5)) && 1 == a12)) || ((((a6 <= 0 && 1 == a5) && !(a12 == 1)) && 1 == a26) && a27 <= 0)) || (((((((a6 <= 0 && 1 == a11) && !(a12 == 1)) && (!(1 == \old(a26)) || !(\old(a5) == 1))) && a27 == 1) && a26 == 0) && 2 <= a3) && a5 == \old(a5))) || (((a6 <= 0 && !(a12 == 1)) && 0 == a3) && a5 == \old(a5))) || (((((((((((((((((((!(1 == \old(a10)) || !(1 == \old(a22))) || !(0 == \old(a11))) || !(1 == \old(a16))) || !(1 == a18)) || !(0 == \old(a26))) || !(1 == \old(a1))) || !(0 == \old(a12))) || !(0 == \old(a25))) || !(0 == \old(a7))) || !(1 == \old(a15))) || !(0 == \old(a20))) || !(0 == \old(a23))) || !(1 == \old(a0))) || !(0 == \old(a19))) || !(1 == \old(a29))) || !(0 == \old(a8))) || !(1 == \old(a3))) || !(0 == \old(a17))) || !(1 == \old(a5))) || !(1 == \old(a4))) || ((a6 <= 0 && (1 == a11 && 0 == a3) && 1 == a26) && a5 == \old(a5))) || (((1 == a6 && a5 == \old(a5)) && 1 == a27) && 1 == a26)) || !(0 == \old(a6))) || !(0 == \old(a14))) || ((2 <= a3 && 1 == a6) && a5 == \old(a5))) || ((((a6 <= 0 && 1 == a5) && 1 == a11) && 1 == a26) && a27 <= 0)) || ((2 <= a3 && a5 == \old(a5)) && (((a6 <= 0 && 1 == a11) && !(a12 == 1)) && (!(1 == \old(a26)) || !(\old(a5) == 1))) && a27 <= 0)) || !(0 == \old(a2))) || (((a6 <= 0 && a5 == \old(a5)) && 1 == a27) && 1 == a26)) || ((((a6 <= 0 && 1 == a5) && 1 == a11) && !(a12 == 1)) && 1 == a26) [2018-11-18 12:51:14,822 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f1a8de0d-3ebe-4680-be3f-9754ec0d88a1/bin-2019/utaipan/witness.graphml [2018-11-18 12:51:14,822 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:51:14,823 INFO L168 Benchmark]: Toolchain (without parser) took 125127.84 ms. Allocated memory was 1.0 GB in the beginning and 5.3 GB in the end (delta: 4.3 GB). Free memory was 948.4 MB in the beginning and 3.8 GB in the end (delta: -2.8 GB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. [2018-11-18 12:51:14,823 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:51:14,823 INFO L168 Benchmark]: CACSL2BoogieTranslator took 683.07 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 867.9 MB in the end (delta: 80.5 MB). Peak memory consumption was 80.5 MB. Max. memory is 11.5 GB. [2018-11-18 12:51:14,823 INFO L168 Benchmark]: Boogie Procedure Inliner took 126.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.6 MB). Free memory was 867.9 MB in the beginning and 1.2 GB in the end (delta: -296.0 MB). Peak memory consumption was 28.2 MB. Max. memory is 11.5 GB. [2018-11-18 12:51:14,824 INFO L168 Benchmark]: Boogie Preprocessor took 72.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 11.5 GB. [2018-11-18 12:51:14,824 INFO L168 Benchmark]: RCFGBuilder took 1586.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 899.8 MB in the end (delta: 252.4 MB). Peak memory consumption was 252.4 MB. Max. memory is 11.5 GB. [2018-11-18 12:51:14,824 INFO L168 Benchmark]: TraceAbstraction took 122507.00 ms. Allocated memory was 1.2 GB in the beginning and 5.3 GB in the end (delta: 4.1 GB). Free memory was 899.8 MB in the beginning and 3.8 GB in the end (delta: -2.9 GB). Peak memory consumption was 4.1 GB. Max. memory is 11.5 GB. [2018-11-18 12:51:14,824 INFO L168 Benchmark]: Witness Printer took 148.39 ms. Allocated memory is still 5.3 GB. Free memory was 3.8 GB in the beginning and 3.8 GB in the end (delta: 69.4 MB). Peak memory consumption was 69.4 MB. Max. memory is 11.5 GB. [2018-11-18 12:51:14,826 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 683.07 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 867.9 MB in the end (delta: 80.5 MB). Peak memory consumption was 80.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 126.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.6 MB). Free memory was 867.9 MB in the beginning and 1.2 GB in the end (delta: -296.0 MB). Peak memory consumption was 28.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 72.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1586.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 899.8 MB in the end (delta: 252.4 MB). Peak memory consumption was 252.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 122507.00 ms. Allocated memory was 1.2 GB in the beginning and 5.3 GB in the end (delta: 4.1 GB). Free memory was 899.8 MB in the beginning and 3.8 GB in the end (delta: -2.9 GB). Peak memory consumption was 4.1 GB. Max. memory is 11.5 GB. * Witness Printer took 148.39 ms. Allocated memory is still 5.3 GB. Free memory was 3.8 GB in the beginning and 3.8 GB in the end (delta: 69.4 MB). Peak memory consumption was 69.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1608]: 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: 1658]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((1 == a6 && a5 == \old(a5)) && 1 == a11 && 0 == a3) || (1 == a6 && (a5 == \old(a5) && 0 == a3) && 1 == a26)) || ((1 == a6 && a5 == \old(a5)) && !(a12 == 1))) || (((a6 <= 0 && !(a12 == 1)) && !(a22 == a6)) && a5 == \old(a5))) || ((1 == a6 && a5 == \old(a5)) && a27 <= 0)) || (((a6 <= 0 && a5 == \old(a5)) && 0 == a3) && a27 <= 0)) || !(1 == \old(a27))) || (((a6 <= 0 && 2 <= a3) && a5 == \old(a5)) && 1 == a12)) || ((((a6 <= 0 && 1 == a5) && !(a12 == 1)) && 1 == a26) && a27 <= 0)) || (((((((a6 <= 0 && 1 == a11) && !(a12 == 1)) && (!(1 == \old(a26)) || !(\old(a5) == 1))) && a27 == 1) && a26 == 0) && 2 <= a3) && a5 == \old(a5))) || (((a6 <= 0 && !(a12 == 1)) && 0 == a3) && a5 == \old(a5))) || (((((((((((((((((((!(1 == \old(a10)) || !(1 == \old(a22))) || !(0 == \old(a11))) || !(1 == \old(a16))) || !(1 == a18)) || !(0 == \old(a26))) || !(1 == \old(a1))) || !(0 == \old(a12))) || !(0 == \old(a25))) || !(0 == \old(a7))) || !(1 == \old(a15))) || !(0 == \old(a20))) || !(0 == \old(a23))) || !(1 == \old(a0))) || !(0 == \old(a19))) || !(1 == \old(a29))) || !(0 == \old(a8))) || !(1 == \old(a3))) || !(0 == \old(a17))) || !(1 == \old(a5))) || !(1 == \old(a4))) || ((a6 <= 0 && (1 == a11 && 0 == a3) && 1 == a26) && a5 == \old(a5))) || (((1 == a6 && a5 == \old(a5)) && 1 == a27) && 1 == a26)) || !(0 == \old(a6))) || !(0 == \old(a14))) || ((2 <= a3 && 1 == a6) && a5 == \old(a5))) || ((((a6 <= 0 && 1 == a5) && 1 == a11) && 1 == a26) && a27 <= 0)) || ((2 <= a3 && a5 == \old(a5)) && (((a6 <= 0 && 1 == a11) && !(a12 == 1)) && (!(1 == \old(a26)) || !(\old(a5) == 1))) && a27 <= 0)) || !(0 == \old(a2))) || (((a6 <= 0 && a5 == \old(a5)) && 1 == a27) && 1 == a26)) || ((((a6 <= 0 && 1 == a5) && 1 == a11) && !(a12 == 1)) && 1 == a26) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 312 locations, 1 error locations. SAFE Result, 122.4s OverallTime, 14 OverallIterations, 6 TraceHistogramMax, 60.2s AutomataDifference, 0.0s DeadEndRemovalTime, 39.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 4247 SDtfs, 17345 SDslu, 4800 SDs, 0 SdLazy, 28169 SolverSat, 5045 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 33.3s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 5987 GetRequests, 5791 SyntacticMatches, 11 SemanticMatches, 185 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1317 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=82974occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 8.3s AbstIntTime, 10 AbstIntIterations, 3 AbstIntStrong, 0.9990414221585903 AbsIntWeakeningRatio, 0.2422360248447205 AbsIntAvgWeakeningVarsNumRemoved, 58.97142857142857 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 6.1s AutomataMinimizationTime, 14 MinimizatonAttempts, 3975 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 3641 PreInvPairs, 4985 NumberOfFragments, 2305 HoareAnnotationTreeSize, 3641 FomulaSimplifications, 159575 FormulaSimplificationTreeSizeReduction, 15.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 134483 FormulaSimplificationTreeSizeReductionInter, 24.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 6626 NumberOfCodeBlocks, 6626 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 9088 ConstructedInterpolants, 0 QuantifiedInterpolants, 6113270 SizeOfPredicates, 6 NumberOfNonLiveVariables, 9886 ConjunctsInSsa, 45 ConjunctsInUnsatCore, 28 InterpolantComputations, 8 PerfectInterpolantSequences, 6207/6748 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...