./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label06_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_fc051550-bf0a-42c6-b03e-8cf28310e949/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fc051550-bf0a-42c6-b03e-8cf28310e949/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fc051550-bf0a-42c6-b03e-8cf28310e949/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fc051550-bf0a-42c6-b03e-8cf28310e949/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label06_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_fc051550-bf0a-42c6-b03e-8cf28310e949/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fc051550-bf0a-42c6-b03e-8cf28310e949/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 7255ef06444f99ab088c00bc61034eb7aed45c3b ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 22:42:03,061 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 22:42:03,062 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 22:42:03,070 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 22:42:03,070 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 22:42:03,071 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 22:42:03,072 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 22:42:03,073 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 22:42:03,074 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 22:42:03,075 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 22:42:03,075 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 22:42:03,075 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 22:42:03,076 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 22:42:03,077 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 22:42:03,077 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 22:42:03,078 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 22:42:03,078 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 22:42:03,079 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 22:42:03,080 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 22:42:03,081 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 22:42:03,082 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 22:42:03,082 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 22:42:03,084 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 22:42:03,084 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 22:42:03,084 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 22:42:03,085 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 22:42:03,085 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 22:42:03,086 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 22:42:03,086 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 22:42:03,087 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 22:42:03,087 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 22:42:03,087 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 22:42:03,087 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 22:42:03,087 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 22:42:03,088 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 22:42:03,088 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 22:42:03,088 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fc051550-bf0a-42c6-b03e-8cf28310e949/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-01 22:42:03,095 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 22:42:03,096 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 22:42:03,096 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 22:42:03,096 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-01 22:42:03,096 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-01 22:42:03,096 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-01 22:42:03,097 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-01 22:42:03,097 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-01 22:42:03,097 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-01 22:42:03,097 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-01 22:42:03,097 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-01 22:42:03,097 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-01 22:42:03,097 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-01 22:42:03,098 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 22:42:03,098 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 22:42:03,098 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 22:42:03,099 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 22:42:03,099 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 22:42:03,099 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 22:42:03,099 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 22:42:03,099 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 22:42:03,099 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 22:42:03,099 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 22:42:03,100 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 22:42:03,100 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 22:42:03,100 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-01 22:42:03,100 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 22:42:03,100 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-01 22:42:03,100 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 22:42:03,100 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 22:42:03,101 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 22:42:03,101 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 22:42:03,101 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-01 22:42:03,101 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 22:42:03,101 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 22:42:03,101 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-01 22:42:03,101 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_fc051550-bf0a-42c6-b03e-8cf28310e949/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 -> 7255ef06444f99ab088c00bc61034eb7aed45c3b [2018-12-01 22:42:03,125 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 22:42:03,132 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 22:42:03,134 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 22:42:03,135 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 22:42:03,135 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 22:42:03,136 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fc051550-bf0a-42c6-b03e-8cf28310e949/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem11_label06_true-unreach-call.c [2018-12-01 22:42:03,174 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fc051550-bf0a-42c6-b03e-8cf28310e949/bin-2019/utaipan/data/c50a095ae/6bd7df2a562b4f8180846c796f665d71/FLAG8462a1823 [2018-12-01 22:42:03,570 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 22:42:03,570 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fc051550-bf0a-42c6-b03e-8cf28310e949/sv-benchmarks/c/eca-rers2012/Problem11_label06_true-unreach-call.c [2018-12-01 22:42:03,580 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fc051550-bf0a-42c6-b03e-8cf28310e949/bin-2019/utaipan/data/c50a095ae/6bd7df2a562b4f8180846c796f665d71/FLAG8462a1823 [2018-12-01 22:42:03,592 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fc051550-bf0a-42c6-b03e-8cf28310e949/bin-2019/utaipan/data/c50a095ae/6bd7df2a562b4f8180846c796f665d71 [2018-12-01 22:42:03,594 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 22:42:03,595 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 22:42:03,596 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 22:42:03,596 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 22:42:03,598 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 22:42:03,599 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 10:42:03" (1/1) ... [2018-12-01 22:42:03,600 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53f42625 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:42:03, skipping insertion in model container [2018-12-01 22:42:03,600 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 10:42:03" (1/1) ... [2018-12-01 22:42:03,605 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 22:42:03,643 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 22:42:03,897 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 22:42:03,899 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 22:42:04,025 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 22:42:04,035 INFO L195 MainTranslator]: Completed translation [2018-12-01 22:42:04,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:42:04 WrapperNode [2018-12-01 22:42:04,035 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 22:42:04,036 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 22:42:04,036 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 22:42:04,036 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 22:42:04,041 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:42:04" (1/1) ... [2018-12-01 22:42:04,053 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:42:04" (1/1) ... [2018-12-01 22:42:04,058 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 22:42:04,058 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 22:42:04,058 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 22:42:04,058 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 22:42:04,064 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:42:04" (1/1) ... [2018-12-01 22:42:04,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:42:04" (1/1) ... [2018-12-01 22:42:04,068 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:42:04" (1/1) ... [2018-12-01 22:42:04,068 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:42:04" (1/1) ... [2018-12-01 22:42:04,089 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:42:04" (1/1) ... [2018-12-01 22:42:04,095 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:42:04" (1/1) ... [2018-12-01 22:42:04,100 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:42:04" (1/1) ... [2018-12-01 22:42:04,106 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 22:42:04,106 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 22:42:04,106 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 22:42:04,107 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 22:42:04,107 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:42:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fc051550-bf0a-42c6-b03e-8cf28310e949/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 22:42:04,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-01 22:42:04,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-01 22:42:04,140 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-01 22:42:04,140 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-01 22:42:04,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 22:42:04,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 22:42:04,140 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-01 22:42:04,140 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-01 22:42:05,083 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 22:42:05,084 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-01 22:42:05,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:42:05 BoogieIcfgContainer [2018-12-01 22:42:05,084 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 22:42:05,085 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-01 22:42:05,085 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-01 22:42:05,087 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-01 22:42:05,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 10:42:03" (1/3) ... [2018-12-01 22:42:05,087 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4981d334 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 10:42:05, skipping insertion in model container [2018-12-01 22:42:05,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:42:04" (2/3) ... [2018-12-01 22:42:05,088 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4981d334 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 10:42:05, skipping insertion in model container [2018-12-01 22:42:05,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:42:05" (3/3) ... [2018-12-01 22:42:05,089 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label06_true-unreach-call.c [2018-12-01 22:42:05,095 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-01 22:42:05,101 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-01 22:42:05,111 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-01 22:42:05,134 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-01 22:42:05,135 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-01 22:42:05,135 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-01 22:42:05,135 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-01 22:42:05,135 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-01 22:42:05,135 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-01 22:42:05,135 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-01 22:42:05,135 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-01 22:42:05,154 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states. [2018-12-01 22:42:05,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-01 22:42:05,160 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:42:05,160 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:42:05,161 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:42:05,165 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:42:05,165 INFO L82 PathProgramCache]: Analyzing trace with hash -1780384174, now seen corresponding path program 1 times [2018-12-01 22:42:05,167 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:42:05,195 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:42:05,195 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:42:05,195 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:42:05,195 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:42:05,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:42:05,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:42:05,362 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:42:05,362 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 22:42:05,362 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:42:05,365 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 22:42:05,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 22:42:05,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 22:42:05,375 INFO L87 Difference]: Start difference. First operand 292 states. Second operand 3 states. [2018-12-01 22:42:06,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:42:06,018 INFO L93 Difference]: Finished difference Result 779 states and 1369 transitions. [2018-12-01 22:42:06,019 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 22:42:06,020 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 69 [2018-12-01 22:42:06,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:42:06,028 INFO L225 Difference]: With dead ends: 779 [2018-12-01 22:42:06,028 INFO L226 Difference]: Without dead ends: 425 [2018-12-01 22:42:06,032 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 22:42:06,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2018-12-01 22:42:06,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 420. [2018-12-01 22:42:06,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 420 states. [2018-12-01 22:42:06,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 672 transitions. [2018-12-01 22:42:06,074 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 672 transitions. Word has length 69 [2018-12-01 22:42:06,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:42:06,074 INFO L480 AbstractCegarLoop]: Abstraction has 420 states and 672 transitions. [2018-12-01 22:42:06,075 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 22:42:06,075 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 672 transitions. [2018-12-01 22:42:06,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-01 22:42:06,078 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:42:06,078 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:42:06,079 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:42:06,079 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:42:06,079 INFO L82 PathProgramCache]: Analyzing trace with hash 1517741782, now seen corresponding path program 1 times [2018-12-01 22:42:06,079 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:42:06,080 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:42:06,080 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:42:06,080 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:42:06,081 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:42:06,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:42:06,293 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:42:06,293 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:42:06,293 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-01 22:42:06,294 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:42:06,295 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-01 22:42:06,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-01 22:42:06,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-12-01 22:42:06,295 INFO L87 Difference]: Start difference. First operand 420 states and 672 transitions. Second operand 7 states. [2018-12-01 22:42:07,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:42:07,645 INFO L93 Difference]: Finished difference Result 1265 states and 2066 transitions. [2018-12-01 22:42:07,646 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-01 22:42:07,646 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 143 [2018-12-01 22:42:07,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:42:07,651 INFO L225 Difference]: With dead ends: 1265 [2018-12-01 22:42:07,651 INFO L226 Difference]: Without dead ends: 851 [2018-12-01 22:42:07,653 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2018-12-01 22:42:07,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 851 states. [2018-12-01 22:42:07,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 851 to 616. [2018-12-01 22:42:07,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 616 states. [2018-12-01 22:42:07,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 616 states and 883 transitions. [2018-12-01 22:42:07,677 INFO L78 Accepts]: Start accepts. Automaton has 616 states and 883 transitions. Word has length 143 [2018-12-01 22:42:07,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:42:07,677 INFO L480 AbstractCegarLoop]: Abstraction has 616 states and 883 transitions. [2018-12-01 22:42:07,677 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-01 22:42:07,677 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 883 transitions. [2018-12-01 22:42:07,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-12-01 22:42:07,680 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:42:07,681 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:42:07,681 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:42:07,681 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:42:07,681 INFO L82 PathProgramCache]: Analyzing trace with hash -1457769866, now seen corresponding path program 1 times [2018-12-01 22:42:07,681 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:42:07,681 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:42:07,682 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:42:07,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:42:07,682 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:42:07,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:42:07,828 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 124 proven. 68 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 22:42:07,828 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:42:07,828 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-01 22:42:07,829 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 216 with the following transitions: [2018-12-01 22:42:07,830 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [495], [499], [503], [506], [507], [511], [514], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-01 22:42:07,860 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-01 22:42:07,860 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-01 22:42:08,205 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-01 22:42:08,206 INFO L272 AbstractInterpreter]: Visited 79 different actions 79 times. Never merged. Never widened. Performed 845 root evaluator evaluations with a maximum evaluation depth of 14. Performed 845 inverse root evaluator evaluations with a maximum inverse evaluation depth of 14. Never found a fixpoint. Largest state had 28 variables. [2018-12-01 22:42:08,218 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:42:08,218 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-01 22:42:08,526 INFO L227 lantSequenceWeakener]: Weakened 206 states. On average, predicates are now at 73.9% of their original sizes. [2018-12-01 22:42:08,526 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-01 22:42:08,549 INFO L418 sIntCurrentIteration]: We unified 214 AI predicates to 214 [2018-12-01 22:42:08,549 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-01 22:42:08,549 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-01 22:42:08,550 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-12-01 22:42:08,550 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:42:08,550 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-01 22:42:08,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-01 22:42:08,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-01 22:42:08,550 INFO L87 Difference]: Start difference. First operand 616 states and 883 transitions. Second operand 6 states. [2018-12-01 22:42:17,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:42:17,347 INFO L93 Difference]: Finished difference Result 1416 states and 1966 transitions. [2018-12-01 22:42:17,347 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-01 22:42:17,348 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 215 [2018-12-01 22:42:17,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:42:17,350 INFO L225 Difference]: With dead ends: 1416 [2018-12-01 22:42:17,350 INFO L226 Difference]: Without dead ends: 806 [2018-12-01 22:42:17,352 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 215 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-01 22:42:17,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 806 states. [2018-12-01 22:42:17,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 806 to 805. [2018-12-01 22:42:17,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 805 states. [2018-12-01 22:42:17,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 805 states and 1080 transitions. [2018-12-01 22:42:17,370 INFO L78 Accepts]: Start accepts. Automaton has 805 states and 1080 transitions. Word has length 215 [2018-12-01 22:42:17,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:42:17,371 INFO L480 AbstractCegarLoop]: Abstraction has 805 states and 1080 transitions. [2018-12-01 22:42:17,371 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-01 22:42:17,371 INFO L276 IsEmpty]: Start isEmpty. Operand 805 states and 1080 transitions. [2018-12-01 22:42:17,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2018-12-01 22:42:17,374 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:42:17,374 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-01 22:42:17,375 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:42:17,375 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:42:17,375 INFO L82 PathProgramCache]: Analyzing trace with hash 156853724, now seen corresponding path program 1 times [2018-12-01 22:42:17,375 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:42:17,376 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:42:17,376 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:42:17,376 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:42:17,376 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:42:17,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:42:17,534 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 127 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-12-01 22:42:17,534 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:42:17,534 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-01 22:42:17,534 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 260 with the following transitions: [2018-12-01 22:42:17,535 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [495], [499], [503], [507], [511], [514], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-01 22:42:17,537 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-01 22:42:17,537 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-01 22:42:17,940 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-01 22:42:17,940 INFO L272 AbstractInterpreter]: Visited 125 different actions 366 times. Merged at 6 different actions 13 times. Never widened. Performed 4863 root evaluator evaluations with a maximum evaluation depth of 16. Performed 4863 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Found 3 fixpoints after 2 different actions. Largest state had 28 variables. [2018-12-01 22:42:17,946 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:42:17,947 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-01 22:42:17,948 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:42:17,948 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fc051550-bf0a-42c6-b03e-8cf28310e949/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-01 22:42:17,955 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:42:17,955 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-01 22:42:18,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:42:18,022 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 22:42:22,183 WARN L180 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 118 DAG size of output: 31 [2018-12-01 22:42:22,234 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 127 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-12-01 22:42:22,234 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-01 22:42:22,305 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-12-01 22:42:22,321 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-01 22:42:22,321 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 6] total 9 [2018-12-01 22:42:22,321 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:42:22,321 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 22:42:22,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 22:42:22,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=47, Unknown=1, NotChecked=0, Total=72 [2018-12-01 22:42:22,322 INFO L87 Difference]: Start difference. First operand 805 states and 1080 transitions. Second operand 3 states. [2018-12-01 22:42:22,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:42:22,837 INFO L93 Difference]: Finished difference Result 1803 states and 2605 transitions. [2018-12-01 22:42:22,838 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 22:42:22,838 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 259 [2018-12-01 22:42:22,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:42:22,840 INFO L225 Difference]: With dead ends: 1803 [2018-12-01 22:42:22,841 INFO L226 Difference]: Without dead ends: 1193 [2018-12-01 22:42:22,842 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 528 GetRequests, 517 SyntacticMatches, 4 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=24, Invalid=47, Unknown=1, NotChecked=0, Total=72 [2018-12-01 22:42:22,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1193 states. [2018-12-01 22:42:22,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1193 to 1193. [2018-12-01 22:42:22,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1193 states. [2018-12-01 22:42:22,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1193 states to 1193 states and 1619 transitions. [2018-12-01 22:42:22,860 INFO L78 Accepts]: Start accepts. Automaton has 1193 states and 1619 transitions. Word has length 259 [2018-12-01 22:42:22,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:42:22,861 INFO L480 AbstractCegarLoop]: Abstraction has 1193 states and 1619 transitions. [2018-12-01 22:42:22,861 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 22:42:22,861 INFO L276 IsEmpty]: Start isEmpty. Operand 1193 states and 1619 transitions. [2018-12-01 22:42:22,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2018-12-01 22:42:22,864 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:42:22,864 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:42:22,864 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:42:22,864 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:42:22,864 INFO L82 PathProgramCache]: Analyzing trace with hash 1021288321, now seen corresponding path program 1 times [2018-12-01 22:42:22,864 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:42:22,865 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:42:22,865 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:42:22,865 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:42:22,865 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:42:22,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:42:22,968 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-12-01 22:42:22,968 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:42:22,968 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 22:42:22,968 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:42:22,969 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 22:42:22,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 22:42:22,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 22:42:22,969 INFO L87 Difference]: Start difference. First operand 1193 states and 1619 transitions. Second operand 3 states. [2018-12-01 22:42:23,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:42:23,597 INFO L93 Difference]: Finished difference Result 2950 states and 4173 transitions. [2018-12-01 22:42:23,597 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 22:42:23,598 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 285 [2018-12-01 22:42:23,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:42:23,603 INFO L225 Difference]: With dead ends: 2950 [2018-12-01 22:42:23,603 INFO L226 Difference]: Without dead ends: 1952 [2018-12-01 22:42:23,605 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 22:42:23,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1952 states. [2018-12-01 22:42:23,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1952 to 1948. [2018-12-01 22:42:23,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1948 states. [2018-12-01 22:42:23,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1948 states to 1948 states and 2559 transitions. [2018-12-01 22:42:23,634 INFO L78 Accepts]: Start accepts. Automaton has 1948 states and 2559 transitions. Word has length 285 [2018-12-01 22:42:23,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:42:23,635 INFO L480 AbstractCegarLoop]: Abstraction has 1948 states and 2559 transitions. [2018-12-01 22:42:23,635 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 22:42:23,635 INFO L276 IsEmpty]: Start isEmpty. Operand 1948 states and 2559 transitions. [2018-12-01 22:42:23,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-12-01 22:42:23,639 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:42:23,639 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:42:23,639 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:42:23,639 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:42:23,640 INFO L82 PathProgramCache]: Analyzing trace with hash 2109616658, now seen corresponding path program 1 times [2018-12-01 22:42:23,640 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:42:23,640 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:42:23,640 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:42:23,640 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:42:23,640 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:42:23,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:42:23,771 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 125 proven. 2 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-12-01 22:42:23,771 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:42:23,771 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-01 22:42:23,771 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 288 with the following transitions: [2018-12-01 22:42:23,772 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [618], [623], [625], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-01 22:42:23,774 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-01 22:42:23,774 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-01 22:42:23,914 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-01 22:42:23,914 INFO L272 AbstractInterpreter]: Visited 124 different actions 242 times. Merged at 4 different actions 4 times. Never widened. Performed 3111 root evaluator evaluations with a maximum evaluation depth of 16. Performed 3111 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-12-01 22:42:23,915 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:42:23,915 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-01 22:42:24,116 INFO L227 lantSequenceWeakener]: Weakened 282 states. On average, predicates are now at 75.65% of their original sizes. [2018-12-01 22:42:24,116 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-01 22:42:24,171 INFO L418 sIntCurrentIteration]: We unified 286 AI predicates to 286 [2018-12-01 22:42:24,171 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-01 22:42:24,171 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-01 22:42:24,171 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-01 22:42:24,171 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:42:24,171 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-01 22:42:24,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-01 22:42:24,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-01 22:42:24,172 INFO L87 Difference]: Start difference. First operand 1948 states and 2559 transitions. Second operand 10 states. [2018-12-01 22:43:01,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:43:01,400 INFO L93 Difference]: Finished difference Result 4090 states and 5481 transitions. [2018-12-01 22:43:01,400 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-01 22:43:01,400 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 287 [2018-12-01 22:43:01,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:43:01,404 INFO L225 Difference]: With dead ends: 4090 [2018-12-01 22:43:01,404 INFO L226 Difference]: Without dead ends: 2337 [2018-12-01 22:43:01,406 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 295 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-12-01 22:43:01,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2337 states. [2018-12-01 22:43:01,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2337 to 2331. [2018-12-01 22:43:01,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2331 states. [2018-12-01 22:43:01,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2331 states to 2331 states and 3028 transitions. [2018-12-01 22:43:01,434 INFO L78 Accepts]: Start accepts. Automaton has 2331 states and 3028 transitions. Word has length 287 [2018-12-01 22:43:01,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:43:01,434 INFO L480 AbstractCegarLoop]: Abstraction has 2331 states and 3028 transitions. [2018-12-01 22:43:01,435 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-01 22:43:01,435 INFO L276 IsEmpty]: Start isEmpty. Operand 2331 states and 3028 transitions. [2018-12-01 22:43:01,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2018-12-01 22:43:01,437 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:43:01,437 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:43:01,437 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:43:01,437 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:43:01,437 INFO L82 PathProgramCache]: Analyzing trace with hash 157251694, now seen corresponding path program 1 times [2018-12-01 22:43:01,437 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:43:01,438 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:43:01,438 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:43:01,438 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:43:01,438 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:43:01,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:43:01,578 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 128 proven. 83 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 22:43:01,578 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:43:01,578 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-01 22:43:01,578 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 291 with the following transitions: [2018-12-01 22:43:01,578 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [578], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-01 22:43:01,580 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-01 22:43:01,580 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-01 22:43:01,741 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-01 22:43:01,742 INFO L272 AbstractInterpreter]: Visited 140 different actions 415 times. Merged at 6 different actions 17 times. Never widened. Performed 5844 root evaluator evaluations with a maximum evaluation depth of 10. Performed 5844 inverse root evaluator evaluations with a maximum inverse evaluation depth of 10. Found 3 fixpoints after 2 different actions. Largest state had 28 variables. [2018-12-01 22:43:01,743 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:43:01,743 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-01 22:43:01,743 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:43:01,743 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fc051550-bf0a-42c6-b03e-8cf28310e949/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-01 22:43:01,749 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:43:01,750 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-01 22:43:01,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:43:01,797 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 22:43:01,848 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 212 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:43:01,848 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-01 22:43:01,962 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 212 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:43:01,977 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-01 22:43:01,978 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 12 [2018-12-01 22:43:01,978 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-01 22:43:01,978 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-01 22:43:01,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-01 22:43:01,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2018-12-01 22:43:01,978 INFO L87 Difference]: Start difference. First operand 2331 states and 3028 transitions. Second operand 11 states. [2018-12-01 22:43:05,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:43:05,979 INFO L93 Difference]: Finished difference Result 10390 states and 15897 transitions. [2018-12-01 22:43:05,980 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2018-12-01 22:43:05,980 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 290 [2018-12-01 22:43:05,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:43:06,000 INFO L225 Difference]: With dead ends: 10390 [2018-12-01 22:43:06,000 INFO L226 Difference]: Without dead ends: 8253 [2018-12-01 22:43:06,005 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 657 GetRequests, 597 SyntacticMatches, 2 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1170 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=664, Invalid=2876, Unknown=0, NotChecked=0, Total=3540 [2018-12-01 22:43:06,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8253 states. [2018-12-01 22:43:06,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8253 to 6850. [2018-12-01 22:43:06,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6850 states. [2018-12-01 22:43:06,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6850 states to 6850 states and 9820 transitions. [2018-12-01 22:43:06,114 INFO L78 Accepts]: Start accepts. Automaton has 6850 states and 9820 transitions. Word has length 290 [2018-12-01 22:43:06,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:43:06,114 INFO L480 AbstractCegarLoop]: Abstraction has 6850 states and 9820 transitions. [2018-12-01 22:43:06,114 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-01 22:43:06,114 INFO L276 IsEmpty]: Start isEmpty. Operand 6850 states and 9820 transitions. [2018-12-01 22:43:06,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2018-12-01 22:43:06,120 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:43:06,120 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:43:06,120 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:43:06,120 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:43:06,120 INFO L82 PathProgramCache]: Analyzing trace with hash 994096360, now seen corresponding path program 1 times [2018-12-01 22:43:06,120 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:43:06,121 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:43:06,121 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:43:06,121 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:43:06,121 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:43:06,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:43:06,249 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 367 proven. 2 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-12-01 22:43:06,249 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:43:06,249 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-01 22:43:06,250 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 370 with the following transitions: [2018-12-01 22:43:06,250 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [578], [579], [583], [587], [591], [594], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-01 22:43:06,251 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-01 22:43:06,252 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-01 22:43:06,499 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-01 22:43:06,499 INFO L272 AbstractInterpreter]: Visited 125 different actions 368 times. Merged at 6 different actions 13 times. Never widened. Performed 4893 root evaluator evaluations with a maximum evaluation depth of 16. Performed 4893 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Found 3 fixpoints after 2 different actions. Largest state had 28 variables. [2018-12-01 22:43:06,501 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:43:06,501 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-01 22:43:06,728 INFO L227 lantSequenceWeakener]: Weakened 366 states. On average, predicates are now at 77.79% of their original sizes. [2018-12-01 22:43:06,728 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-01 22:43:06,757 INFO L418 sIntCurrentIteration]: We unified 368 AI predicates to 368 [2018-12-01 22:43:06,757 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-01 22:43:06,757 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-01 22:43:06,757 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 13 [2018-12-01 22:43:06,757 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:43:06,757 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-01 22:43:06,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-01 22:43:06,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-01 22:43:06,758 INFO L87 Difference]: Start difference. First operand 6850 states and 9820 transitions. Second operand 9 states. [2018-12-01 22:43:47,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:43:47,638 INFO L93 Difference]: Finished difference Result 16050 states and 23477 transitions. [2018-12-01 22:43:47,638 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-01 22:43:47,638 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 369 [2018-12-01 22:43:47,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:43:47,658 INFO L225 Difference]: With dead ends: 16050 [2018-12-01 22:43:47,658 INFO L226 Difference]: Without dead ends: 10157 [2018-12-01 22:43:47,666 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 375 GetRequests, 361 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-12-01 22:43:47,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10157 states. [2018-12-01 22:43:47,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10157 to 10112. [2018-12-01 22:43:47,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10112 states. [2018-12-01 22:43:47,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10112 states to 10112 states and 13878 transitions. [2018-12-01 22:43:47,788 INFO L78 Accepts]: Start accepts. Automaton has 10112 states and 13878 transitions. Word has length 369 [2018-12-01 22:43:47,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:43:47,789 INFO L480 AbstractCegarLoop]: Abstraction has 10112 states and 13878 transitions. [2018-12-01 22:43:47,789 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-01 22:43:47,789 INFO L276 IsEmpty]: Start isEmpty. Operand 10112 states and 13878 transitions. [2018-12-01 22:43:47,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2018-12-01 22:43:47,796 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:43:47,796 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:43:47,796 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:43:47,796 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:43:47,796 INFO L82 PathProgramCache]: Analyzing trace with hash -1808661004, now seen corresponding path program 1 times [2018-12-01 22:43:47,796 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:43:47,797 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:43:47,797 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:43:47,797 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:43:47,797 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:43:47,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:43:47,961 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 251 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:43:47,961 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:43:47,961 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-01 22:43:47,961 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 376 with the following transitions: [2018-12-01 22:43:47,962 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [777], [781], [785], [789], [793], [797], [808], [812], [816], [820], [824], [828], [832], [843], [847], [851], [862], [866], [870], [874], [878], [889], [893], [897], [901], [905], [909], [913], [924], [928], [932], [936], [940], [944], [948], [952], [956], [960], [971], [975], [979], [983], [987], [991], [1002], [1013], [1016], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-01 22:43:47,964 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-01 22:43:47,964 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-01 22:43:48,164 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-01 22:43:48,164 INFO L272 AbstractInterpreter]: Visited 185 different actions 542 times. Merged at 4 different actions 7 times. Never widened. Performed 7942 root evaluator evaluations with a maximum evaluation depth of 9. Performed 7942 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-12-01 22:43:48,166 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:43:48,166 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-01 22:43:48,384 INFO L227 lantSequenceWeakener]: Weakened 372 states. On average, predicates are now at 75.46% of their original sizes. [2018-12-01 22:43:48,384 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-01 22:43:48,443 INFO L418 sIntCurrentIteration]: We unified 374 AI predicates to 374 [2018-12-01 22:43:48,443 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-01 22:43:48,443 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-01 22:43:48,443 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [6] total 16 [2018-12-01 22:43:48,443 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:43:48,443 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-01 22:43:48,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-01 22:43:48,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2018-12-01 22:43:48,444 INFO L87 Difference]: Start difference. First operand 10112 states and 13878 transitions. Second operand 12 states. [2018-12-01 22:44:25,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:44:25,966 INFO L93 Difference]: Finished difference Result 21214 states and 29330 transitions. [2018-12-01 22:44:25,966 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-12-01 22:44:25,966 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 375 [2018-12-01 22:44:25,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:44:25,994 INFO L225 Difference]: With dead ends: 21214 [2018-12-01 22:44:25,994 INFO L226 Difference]: Without dead ends: 12058 [2018-12-01 22:44:26,005 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 388 GetRequests, 364 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=146, Invalid=504, Unknown=0, NotChecked=0, Total=650 [2018-12-01 22:44:26,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12058 states. [2018-12-01 22:44:26,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12058 to 12037. [2018-12-01 22:44:26,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12037 states. [2018-12-01 22:44:26,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12037 states to 12037 states and 16166 transitions. [2018-12-01 22:44:26,143 INFO L78 Accepts]: Start accepts. Automaton has 12037 states and 16166 transitions. Word has length 375 [2018-12-01 22:44:26,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:44:26,143 INFO L480 AbstractCegarLoop]: Abstraction has 12037 states and 16166 transitions. [2018-12-01 22:44:26,143 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-01 22:44:26,143 INFO L276 IsEmpty]: Start isEmpty. Operand 12037 states and 16166 transitions. [2018-12-01 22:44:26,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2018-12-01 22:44:26,151 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:44:26,151 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 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] [2018-12-01 22:44:26,151 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:44:26,151 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:44:26,151 INFO L82 PathProgramCache]: Analyzing trace with hash -1719615827, now seen corresponding path program 1 times [2018-12-01 22:44:26,151 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:44:26,152 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:44:26,152 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:44:26,152 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:44:26,152 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:44:26,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:44:26,520 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 385 proven. 2 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-01 22:44:26,520 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:44:26,521 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-01 22:44:26,521 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 386 with the following transitions: [2018-12-01 22:44:26,521 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [562], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [680], [685], [687], [688], [692], [696], [707], [710], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-01 22:44:26,523 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-01 22:44:26,523 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-01 22:44:26,924 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-01 22:44:26,924 INFO L272 AbstractInterpreter]: Visited 128 different actions 626 times. Merged at 7 different actions 34 times. Widened at 1 different actions 1 times. Performed 8721 root evaluator evaluations with a maximum evaluation depth of 16. Performed 8721 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Found 8 fixpoints after 3 different actions. Largest state had 28 variables. [2018-12-01 22:44:26,926 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:44:26,926 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-01 22:44:26,926 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:44:26,926 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fc051550-bf0a-42c6-b03e-8cf28310e949/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-01 22:44:26,932 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:44:26,932 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-01 22:44:26,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:44:26,993 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 22:44:27,071 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 385 proven. 2 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-01 22:44:27,071 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-01 22:44:27,282 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 385 proven. 2 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-01 22:44:27,297 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-01 22:44:27,298 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 5, 5] total 18 [2018-12-01 22:44:27,298 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-01 22:44:27,298 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-12-01 22:44:27,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-12-01 22:44:27,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=251, Unknown=0, NotChecked=0, Total=306 [2018-12-01 22:44:27,298 INFO L87 Difference]: Start difference. First operand 12037 states and 16166 transitions. Second operand 16 states. [2018-12-01 22:44:31,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:44:31,420 INFO L93 Difference]: Finished difference Result 22274 states and 31012 transitions. [2018-12-01 22:44:31,420 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-12-01 22:44:31,421 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 385 [2018-12-01 22:44:31,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:44:31,443 INFO L225 Difference]: With dead ends: 22274 [2018-12-01 22:44:31,444 INFO L226 Difference]: Without dead ends: 13118 [2018-12-01 22:44:31,455 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 836 GetRequests, 790 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 505 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=483, Invalid=1773, Unknown=0, NotChecked=0, Total=2256 [2018-12-01 22:44:31,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13118 states. [2018-12-01 22:44:31,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13118 to 13084. [2018-12-01 22:44:31,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13084 states. [2018-12-01 22:44:31,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13084 states to 13084 states and 17703 transitions. [2018-12-01 22:44:31,599 INFO L78 Accepts]: Start accepts. Automaton has 13084 states and 17703 transitions. Word has length 385 [2018-12-01 22:44:31,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:44:31,600 INFO L480 AbstractCegarLoop]: Abstraction has 13084 states and 17703 transitions. [2018-12-01 22:44:31,600 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-12-01 22:44:31,600 INFO L276 IsEmpty]: Start isEmpty. Operand 13084 states and 17703 transitions. [2018-12-01 22:44:31,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2018-12-01 22:44:31,607 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:44:31,607 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 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] [2018-12-01 22:44:31,607 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:44:31,608 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:44:31,608 INFO L82 PathProgramCache]: Analyzing trace with hash -26453255, now seen corresponding path program 1 times [2018-12-01 22:44:31,608 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:44:31,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:44:31,608 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:44:31,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:44:31,608 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:44:31,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:44:31,775 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2018-12-01 22:44:31,775 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:44:31,775 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 22:44:31,775 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:44:31,775 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 22:44:31,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 22:44:31,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 22:44:31,776 INFO L87 Difference]: Start difference. First operand 13084 states and 17703 transitions. Second operand 3 states. [2018-12-01 22:44:32,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:44:32,349 INFO L93 Difference]: Finished difference Result 25549 states and 35607 transitions. [2018-12-01 22:44:32,349 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 22:44:32,349 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 408 [2018-12-01 22:44:32,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:44:32,374 INFO L225 Difference]: With dead ends: 25549 [2018-12-01 22:44:32,374 INFO L226 Difference]: Without dead ends: 14001 [2018-12-01 22:44:32,389 INFO L631 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 [2018-12-01 22:44:32,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14001 states. [2018-12-01 22:44:32,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14001 to 13997. [2018-12-01 22:44:32,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13997 states. [2018-12-01 22:44:32,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13997 states to 13997 states and 18667 transitions. [2018-12-01 22:44:32,550 INFO L78 Accepts]: Start accepts. Automaton has 13997 states and 18667 transitions. Word has length 408 [2018-12-01 22:44:32,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:44:32,550 INFO L480 AbstractCegarLoop]: Abstraction has 13997 states and 18667 transitions. [2018-12-01 22:44:32,550 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 22:44:32,550 INFO L276 IsEmpty]: Start isEmpty. Operand 13997 states and 18667 transitions. [2018-12-01 22:44:32,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 422 [2018-12-01 22:44:32,559 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:44:32,559 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2018-12-01 22:44:32,559 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:44:32,559 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:44:32,559 INFO L82 PathProgramCache]: Analyzing trace with hash 488083270, now seen corresponding path program 1 times [2018-12-01 22:44:32,559 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:44:32,560 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:44:32,560 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:44:32,560 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:44:32,560 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:44:32,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:44:32,702 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 191 proven. 216 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-12-01 22:44:32,703 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:44:32,703 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-01 22:44:32,703 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 422 with the following transitions: [2018-12-01 22:44:32,703 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [653], [654], [658], [662], [666], [677], [680], [685], [687], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-01 22:44:32,704 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-01 22:44:32,704 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-01 22:44:32,966 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-01 22:44:32,966 INFO L272 AbstractInterpreter]: Visited 143 different actions 565 times. Merged at 7 different actions 27 times. Never widened. Performed 7974 root evaluator evaluations with a maximum evaluation depth of 16. Performed 7974 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Found 7 fixpoints after 3 different actions. Largest state had 28 variables. [2018-12-01 22:44:32,968 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:44:32,968 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-01 22:44:32,968 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:44:32,969 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fc051550-bf0a-42c6-b03e-8cf28310e949/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-01 22:44:32,974 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:44:32,975 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-01 22:44:33,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:44:33,029 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 22:44:33,378 WARN L854 $PredicateComparison]: unable to prove that (or (exists ((v_prenex_19 Int)) (and (<= 0 v_prenex_19) (<= |c_old(~a29~0)| v_prenex_19) (<= c_~a29~0 (+ (mod v_prenex_19 15) 260)))) (exists ((v_~a29~0_544 Int)) (let ((.cse0 (mod v_~a29~0_544 15))) (and (< v_~a29~0_544 0) (<= c_~a29~0 (+ .cse0 245)) (<= |c_old(~a29~0)| v_~a29~0_544) (not (= 0 .cse0))))) (exists ((v_prenex_18 Int)) (let ((.cse1 (mod v_prenex_18 15))) (and (<= c_~a29~0 (+ .cse1 260)) (= 0 .cse1) (<= |c_old(~a29~0)| v_prenex_18))))) is different from true [2018-12-01 22:44:33,463 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 343 proven. 104 refuted. 0 times theorem prover too weak. 63 trivial. 2 not checked. [2018-12-01 22:44:33,463 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-01 22:44:33,577 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 295 proven. 107 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2018-12-01 22:44:33,593 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-01 22:44:33,593 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 5] total 12 [2018-12-01 22:44:33,593 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-01 22:44:33,593 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-01 22:44:33,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-01 22:44:33,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=83, Unknown=1, NotChecked=18, Total=132 [2018-12-01 22:44:33,594 INFO L87 Difference]: Start difference. First operand 13997 states and 18667 transitions. Second operand 10 states. [2018-12-01 22:44:38,080 WARN L180 SmtUtils]: Spent 3.58 s on a formula simplification. DAG size of input: 38 DAG size of output: 16 [2018-12-01 22:44:41,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:44:41,411 INFO L93 Difference]: Finished difference Result 28780 states and 39706 transitions. [2018-12-01 22:44:41,411 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-01 22:44:41,412 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 421 [2018-12-01 22:44:41,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:44:41,439 INFO L225 Difference]: With dead ends: 28780 [2018-12-01 22:44:41,439 INFO L226 Difference]: Without dead ends: 16135 [2018-12-01 22:44:41,455 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 876 GetRequests, 849 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=152, Invalid=399, Unknown=5, NotChecked=44, Total=600 [2018-12-01 22:44:41,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16135 states. [2018-12-01 22:44:41,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16135 to 15983. [2018-12-01 22:44:41,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15983 states. [2018-12-01 22:44:41,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15983 states to 15983 states and 21139 transitions. [2018-12-01 22:44:41,639 INFO L78 Accepts]: Start accepts. Automaton has 15983 states and 21139 transitions. Word has length 421 [2018-12-01 22:44:41,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:44:41,640 INFO L480 AbstractCegarLoop]: Abstraction has 15983 states and 21139 transitions. [2018-12-01 22:44:41,640 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-01 22:44:41,640 INFO L276 IsEmpty]: Start isEmpty. Operand 15983 states and 21139 transitions. [2018-12-01 22:44:41,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2018-12-01 22:44:41,650 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:44:41,650 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2018-12-01 22:44:41,650 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:44:41,650 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:44:41,650 INFO L82 PathProgramCache]: Analyzing trace with hash -1119795789, now seen corresponding path program 1 times [2018-12-01 22:44:41,650 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:44:41,651 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:44:41,651 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:44:41,651 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:44:41,651 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:44:41,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:44:41,817 INFO L134 CoverageAnalysis]: Checked inductivity of 526 backedges. 410 proven. 110 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 22:44:41,817 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:44:41,818 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-01 22:44:41,818 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 430 with the following transitions: [2018-12-01 22:44:41,818 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [680], [685], [687], [688], [692], [696], [707], [710], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [777], [780], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-01 22:44:41,820 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-01 22:44:41,820 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-01 22:44:42,055 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-01 22:44:42,055 INFO L272 AbstractInterpreter]: Visited 140 different actions 411 times. Merged at 6 different actions 13 times. Never widened. Performed 5500 root evaluator evaluations with a maximum evaluation depth of 16. Performed 5500 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Found 3 fixpoints after 2 different actions. Largest state had 28 variables. [2018-12-01 22:44:42,056 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:44:42,056 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-01 22:44:42,057 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:44:42,057 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fc051550-bf0a-42c6-b03e-8cf28310e949/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-01 22:44:42,062 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:44:42,063 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-01 22:44:42,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:44:42,121 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 22:44:42,185 INFO L134 CoverageAnalysis]: Checked inductivity of 526 backedges. 411 proven. 2 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2018-12-01 22:44:42,185 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-01 22:44:42,320 INFO L134 CoverageAnalysis]: Checked inductivity of 526 backedges. 411 proven. 2 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2018-12-01 22:44:42,335 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-01 22:44:42,335 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 7 [2018-12-01 22:44:42,335 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-01 22:44:42,336 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-01 22:44:42,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-01 22:44:42,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-01 22:44:42,336 INFO L87 Difference]: Start difference. First operand 15983 states and 21139 transitions. Second operand 6 states. [2018-12-01 22:44:43,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:44:43,193 INFO L93 Difference]: Finished difference Result 29871 states and 40988 transitions. [2018-12-01 22:44:43,193 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-01 22:44:43,193 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 429 [2018-12-01 22:44:43,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:44:43,219 INFO L225 Difference]: With dead ends: 29871 [2018-12-01 22:44:43,220 INFO L226 Difference]: Without dead ends: 15998 [2018-12-01 22:44:43,234 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 871 GetRequests, 859 SyntacticMatches, 4 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2018-12-01 22:44:43,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15998 states. [2018-12-01 22:44:43,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15998 to 15477. [2018-12-01 22:44:43,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15477 states. [2018-12-01 22:44:43,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15477 states to 15477 states and 19397 transitions. [2018-12-01 22:44:43,409 INFO L78 Accepts]: Start accepts. Automaton has 15477 states and 19397 transitions. Word has length 429 [2018-12-01 22:44:43,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:44:43,410 INFO L480 AbstractCegarLoop]: Abstraction has 15477 states and 19397 transitions. [2018-12-01 22:44:43,410 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-01 22:44:43,410 INFO L276 IsEmpty]: Start isEmpty. Operand 15477 states and 19397 transitions. [2018-12-01 22:44:43,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2018-12-01 22:44:43,418 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:44:43,418 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2018-12-01 22:44:43,419 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:44:43,419 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:44:43,419 INFO L82 PathProgramCache]: Analyzing trace with hash 279256228, now seen corresponding path program 1 times [2018-12-01 22:44:43,419 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:44:43,419 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:44:43,419 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:44:43,419 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:44:43,419 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:44:43,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:44:43,771 INFO L134 CoverageAnalysis]: Checked inductivity of 526 backedges. 411 proven. 2 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2018-12-01 22:44:43,771 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:44:43,771 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-01 22:44:43,772 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 431 with the following transitions: [2018-12-01 22:44:43,772 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [680], [685], [687], [688], [692], [696], [707], [710], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [777], [781], [784], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-01 22:44:43,773 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-01 22:44:43,773 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-01 22:44:44,170 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-01 22:44:44,171 INFO L272 AbstractInterpreter]: Visited 143 different actions 699 times. Merged at 7 different actions 31 times. Never widened. Performed 9868 root evaluator evaluations with a maximum evaluation depth of 16. Performed 9868 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Found 8 fixpoints after 2 different actions. Largest state had 28 variables. [2018-12-01 22:44:44,174 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:44:44,174 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-01 22:44:44,174 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:44:44,174 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fc051550-bf0a-42c6-b03e-8cf28310e949/bin-2019/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-01 22:44:44,180 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:44:44,180 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-01 22:44:44,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:44:44,236 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 22:44:44,341 INFO L134 CoverageAnalysis]: Checked inductivity of 526 backedges. 197 proven. 4 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2018-12-01 22:44:44,341 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-01 22:44:44,573 INFO L134 CoverageAnalysis]: Checked inductivity of 526 backedges. 197 proven. 216 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2018-12-01 22:44:44,588 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-01 22:44:44,588 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 8] total 21 [2018-12-01 22:44:44,589 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-01 22:44:44,589 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-12-01 22:44:44,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-12-01 22:44:44,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=348, Unknown=0, NotChecked=0, Total=420 [2018-12-01 22:44:44,589 INFO L87 Difference]: Start difference. First operand 15477 states and 19397 transitions. Second operand 16 states. [2018-12-01 22:44:51,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:44:51,575 INFO L93 Difference]: Finished difference Result 36115 states and 47429 transitions. [2018-12-01 22:44:51,575 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2018-12-01 22:44:51,575 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 430 [2018-12-01 22:44:51,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:44:51,610 INFO L225 Difference]: With dead ends: 36115 [2018-12-01 22:44:51,610 INFO L226 Difference]: Without dead ends: 22748 [2018-12-01 22:44:51,625 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 981 GetRequests, 896 SyntacticMatches, 1 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2228 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=1367, Invalid=5943, Unknown=0, NotChecked=0, Total=7310 [2018-12-01 22:44:51,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22748 states. [2018-12-01 22:44:51,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22748 to 22091. [2018-12-01 22:44:51,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22091 states. [2018-12-01 22:44:51,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22091 states to 22091 states and 27818 transitions. [2018-12-01 22:44:51,877 INFO L78 Accepts]: Start accepts. Automaton has 22091 states and 27818 transitions. Word has length 430 [2018-12-01 22:44:51,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:44:51,877 INFO L480 AbstractCegarLoop]: Abstraction has 22091 states and 27818 transitions. [2018-12-01 22:44:51,878 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-12-01 22:44:51,878 INFO L276 IsEmpty]: Start isEmpty. Operand 22091 states and 27818 transitions. [2018-12-01 22:44:51,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 499 [2018-12-01 22:44:51,893 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:44:51,893 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:44:51,893 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:44:51,893 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:44:51,893 INFO L82 PathProgramCache]: Analyzing trace with hash -252575779, now seen corresponding path program 1 times [2018-12-01 22:44:51,894 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:44:51,894 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:44:51,894 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:44:51,894 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:44:51,894 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:44:51,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:44:52,012 INFO L134 CoverageAnalysis]: Checked inductivity of 802 backedges. 262 proven. 2 refuted. 0 times theorem prover too weak. 538 trivial. 0 not checked. [2018-12-01 22:44:52,012 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:44:52,012 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-01 22:44:52,012 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 499 with the following transitions: [2018-12-01 22:44:52,012 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [562], [563], [567], [571], [575], [578], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [777], [781], [785], [789], [793], [797], [800], [805], [807], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-01 22:44:52,014 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-01 22:44:52,014 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-01 22:44:52,478 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-01 22:44:52,478 INFO L272 AbstractInterpreter]: Visited 148 different actions 724 times. Merged at 8 different actions 32 times. Never widened. Performed 10309 root evaluator evaluations with a maximum evaluation depth of 16. Performed 10309 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Found 11 fixpoints after 3 different actions. Largest state had 28 variables. [2018-12-01 22:44:52,480 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:44:52,480 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-01 22:44:52,481 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:44:52,481 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fc051550-bf0a-42c6-b03e-8cf28310e949/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 [2018-12-01 22:44:52,487 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:44:52,487 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-01 22:44:52,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:44:52,548 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 22:44:52,616 INFO L134 CoverageAnalysis]: Checked inductivity of 802 backedges. 455 proven. 0 refuted. 0 times theorem prover too weak. 347 trivial. 0 not checked. [2018-12-01 22:44:52,617 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-01 22:44:52,687 INFO L134 CoverageAnalysis]: Checked inductivity of 802 backedges. 262 proven. 2 refuted. 0 times theorem prover too weak. 538 trivial. 0 not checked. [2018-12-01 22:44:52,702 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-01 22:44:52,703 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [3, 3] total 3 [2018-12-01 22:44:52,703 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:44:52,703 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 22:44:52,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 22:44:52,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 22:44:52,703 INFO L87 Difference]: Start difference. First operand 22091 states and 27818 transitions. Second operand 3 states. [2018-12-01 22:44:53,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:44:53,281 INFO L93 Difference]: Finished difference Result 42429 states and 53603 transitions. [2018-12-01 22:44:53,282 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 22:44:53,282 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 498 [2018-12-01 22:44:53,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:44:53,310 INFO L225 Difference]: With dead ends: 42429 [2018-12-01 22:44:53,310 INFO L226 Difference]: Without dead ends: 20304 [2018-12-01 22:44:53,330 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 998 GetRequests, 997 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 22:44:53,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20304 states. [2018-12-01 22:44:53,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20304 to 20302. [2018-12-01 22:44:53,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20302 states. [2018-12-01 22:44:53,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20302 states to 20302 states and 24862 transitions. [2018-12-01 22:44:53,540 INFO L78 Accepts]: Start accepts. Automaton has 20302 states and 24862 transitions. Word has length 498 [2018-12-01 22:44:53,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:44:53,541 INFO L480 AbstractCegarLoop]: Abstraction has 20302 states and 24862 transitions. [2018-12-01 22:44:53,541 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 22:44:53,541 INFO L276 IsEmpty]: Start isEmpty. Operand 20302 states and 24862 transitions. [2018-12-01 22:44:53,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 522 [2018-12-01 22:44:53,555 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:44:53,555 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:44:53,555 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:44:53,555 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:44:53,555 INFO L82 PathProgramCache]: Analyzing trace with hash 1206973787, now seen corresponding path program 1 times [2018-12-01 22:44:53,555 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:44:53,556 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:44:53,556 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:44:53,556 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:44:53,556 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:44:53,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:44:54,072 INFO L134 CoverageAnalysis]: Checked inductivity of 846 backedges. 562 proven. 2 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2018-12-01 22:44:54,072 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:44:54,072 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-01 22:44:54,072 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 522 with the following transitions: [2018-12-01 22:44:54,073 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [562], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [680], [685], [687], [688], [692], [696], [707], [710], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [777], [781], [785], [789], [793], [797], [808], [811], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-01 22:44:54,074 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-01 22:44:54,074 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-01 22:44:54,551 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-01 22:44:54,551 INFO L272 AbstractInterpreter]: Visited 149 different actions 737 times. Merged at 8 different actions 40 times. Widened at 1 different actions 1 times. Performed 10394 root evaluator evaluations with a maximum evaluation depth of 16. Performed 10394 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Found 11 fixpoints after 3 different actions. Largest state had 28 variables. [2018-12-01 22:44:54,554 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:44:54,554 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-01 22:44:54,554 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:44:54,554 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fc051550-bf0a-42c6-b03e-8cf28310e949/bin-2019/utaipan/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-01 22:44:54,560 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:44:54,560 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-01 22:44:54,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:44:54,624 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 22:44:54,987 INFO L134 CoverageAnalysis]: Checked inductivity of 846 backedges. 562 proven. 2 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2018-12-01 22:44:54,987 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-01 22:44:55,529 INFO L134 CoverageAnalysis]: Checked inductivity of 846 backedges. 562 proven. 2 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2018-12-01 22:44:55,544 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-01 22:44:55,544 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 8] total 20 [2018-12-01 22:44:55,544 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-01 22:44:55,545 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-01 22:44:55,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-01 22:44:55,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=305, Unknown=0, NotChecked=0, Total=380 [2018-12-01 22:44:55,546 INFO L87 Difference]: Start difference. First operand 20302 states and 24862 transitions. Second operand 15 states. [2018-12-01 22:44:58,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:44:58,590 INFO L93 Difference]: Finished difference Result 39316 states and 48363 transitions. [2018-12-01 22:44:58,591 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-12-01 22:44:58,591 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 521 [2018-12-01 22:44:58,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:44:58,622 INFO L225 Difference]: With dead ends: 39316 [2018-12-01 22:44:58,622 INFO L226 Difference]: Without dead ends: 21124 [2018-12-01 22:44:58,641 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1098 GetRequests, 1050 SyntacticMatches, 2 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 491 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=518, Invalid=1738, Unknown=0, NotChecked=0, Total=2256 [2018-12-01 22:44:58,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21124 states. [2018-12-01 22:44:58,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21124 to 20870. [2018-12-01 22:44:58,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20870 states. [2018-12-01 22:44:58,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20870 states to 20870 states and 25443 transitions. [2018-12-01 22:44:58,853 INFO L78 Accepts]: Start accepts. Automaton has 20870 states and 25443 transitions. Word has length 521 [2018-12-01 22:44:58,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:44:58,854 INFO L480 AbstractCegarLoop]: Abstraction has 20870 states and 25443 transitions. [2018-12-01 22:44:58,854 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-01 22:44:58,854 INFO L276 IsEmpty]: Start isEmpty. Operand 20870 states and 25443 transitions. [2018-12-01 22:44:58,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 523 [2018-12-01 22:44:58,868 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:44:58,868 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:44:58,868 INFO L423 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:44:58,868 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:44:58,868 INFO L82 PathProgramCache]: Analyzing trace with hash 1716500212, now seen corresponding path program 1 times [2018-12-01 22:44:58,868 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:44:58,869 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:44:58,869 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:44:58,869 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:44:58,869 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:44:58,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:44:59,323 INFO L134 CoverageAnalysis]: Checked inductivity of 846 backedges. 562 proven. 2 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2018-12-01 22:44:59,323 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:44:59,323 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-01 22:44:59,323 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 523 with the following transitions: [2018-12-01 22:44:59,324 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [562], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [680], [685], [687], [688], [692], [696], [707], [710], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [777], [781], [785], [789], [793], [797], [800], [803], [807], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-01 22:44:59,325 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-01 22:44:59,326 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-01 22:44:59,766 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-01 22:44:59,766 INFO L272 AbstractInterpreter]: Visited 150 different actions 737 times. Merged at 8 different actions 39 times. Widened at 1 different actions 1 times. Performed 10317 root evaluator evaluations with a maximum evaluation depth of 16. Performed 10317 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Found 11 fixpoints after 3 different actions. Largest state had 28 variables. [2018-12-01 22:44:59,767 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:44:59,767 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-01 22:44:59,767 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:44:59,767 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fc051550-bf0a-42c6-b03e-8cf28310e949/bin-2019/utaipan/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-01 22:44:59,773 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:44:59,773 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-01 22:44:59,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:44:59,838 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 22:45:00,169 INFO L134 CoverageAnalysis]: Checked inductivity of 846 backedges. 562 proven. 2 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2018-12-01 22:45:00,169 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-01 22:45:00,539 INFO L134 CoverageAnalysis]: Checked inductivity of 846 backedges. 562 proven. 2 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2018-12-01 22:45:00,554 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-01 22:45:00,554 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8, 9] total 22 [2018-12-01 22:45:00,554 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-01 22:45:00,555 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-12-01 22:45:00,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-12-01 22:45:00,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=374, Unknown=0, NotChecked=0, Total=462 [2018-12-01 22:45:00,555 INFO L87 Difference]: Start difference. First operand 20870 states and 25443 transitions. Second operand 17 states. [2018-12-01 22:45:07,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:45:07,623 INFO L93 Difference]: Finished difference Result 40302 states and 49463 transitions. [2018-12-01 22:45:07,624 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-12-01 22:45:07,624 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 522 [2018-12-01 22:45:07,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:45:07,661 INFO L225 Difference]: With dead ends: 40302 [2018-12-01 22:45:07,661 INFO L226 Difference]: Without dead ends: 21542 [2018-12-01 22:45:07,680 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1101 GetRequests, 1051 SyntacticMatches, 3 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 544 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=563, Invalid=1789, Unknown=0, NotChecked=0, Total=2352 [2018-12-01 22:45:07,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21542 states. [2018-12-01 22:45:07,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21542 to 21272. [2018-12-01 22:45:07,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21272 states. [2018-12-01 22:45:07,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21272 states to 21272 states and 25751 transitions. [2018-12-01 22:45:07,910 INFO L78 Accepts]: Start accepts. Automaton has 21272 states and 25751 transitions. Word has length 522 [2018-12-01 22:45:07,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:45:07,910 INFO L480 AbstractCegarLoop]: Abstraction has 21272 states and 25751 transitions. [2018-12-01 22:45:07,910 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-12-01 22:45:07,910 INFO L276 IsEmpty]: Start isEmpty. Operand 21272 states and 25751 transitions. [2018-12-01 22:45:07,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 531 [2018-12-01 22:45:07,925 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:45:07,925 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:45:07,925 INFO L423 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:45:07,926 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:45:07,926 INFO L82 PathProgramCache]: Analyzing trace with hash 2121603265, now seen corresponding path program 1 times [2018-12-01 22:45:07,926 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:45:07,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:45:07,926 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:45:07,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:45:07,926 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:45:07,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:45:08,132 INFO L134 CoverageAnalysis]: Checked inductivity of 835 backedges. 413 proven. 78 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2018-12-01 22:45:08,132 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:45:08,132 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-01 22:45:08,133 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 531 with the following transitions: [2018-12-01 22:45:08,133 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [530], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [680], [685], [687], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [777], [781], [785], [789], [793], [797], [808], [812], [816], [819], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-01 22:45:08,134 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-01 22:45:08,134 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-01 22:45:08,422 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-01 22:45:08,422 INFO L272 AbstractInterpreter]: Visited 153 different actions 609 times. Merged at 8 different actions 31 times. Widened at 1 different actions 1 times. Performed 8622 root evaluator evaluations with a maximum evaluation depth of 16. Performed 8622 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Found 9 fixpoints after 3 different actions. Largest state had 28 variables. [2018-12-01 22:45:08,424 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:45:08,424 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-01 22:45:08,424 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:45:08,424 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fc051550-bf0a-42c6-b03e-8cf28310e949/bin-2019/utaipan/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-01 22:45:08,430 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:45:08,430 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-01 22:45:08,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:45:08,493 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 22:45:08,576 INFO L134 CoverageAnalysis]: Checked inductivity of 835 backedges. 644 proven. 2 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2018-12-01 22:45:08,576 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-01 22:45:08,691 INFO L134 CoverageAnalysis]: Checked inductivity of 835 backedges. 413 proven. 78 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2018-12-01 22:45:08,706 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-01 22:45:08,706 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 12 [2018-12-01 22:45:08,706 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-01 22:45:08,707 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-01 22:45:08,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-01 22:45:08,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2018-12-01 22:45:08,707 INFO L87 Difference]: Start difference. First operand 21272 states and 25751 transitions. Second operand 9 states. [2018-12-01 22:45:10,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:45:10,797 INFO L93 Difference]: Finished difference Result 46103 states and 61811 transitions. [2018-12-01 22:45:10,798 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-01 22:45:10,798 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 530 [2018-12-01 22:45:10,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:45:10,860 INFO L225 Difference]: With dead ends: 46103 [2018-12-01 22:45:10,860 INFO L226 Difference]: Without dead ends: 26367 [2018-12-01 22:45:10,885 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1077 GetRequests, 1061 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=207, Unknown=0, NotChecked=0, Total=306 [2018-12-01 22:45:10,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26367 states. [2018-12-01 22:45:11,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26367 to 25688. [2018-12-01 22:45:11,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25688 states. [2018-12-01 22:45:11,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25688 states to 25688 states and 34830 transitions. [2018-12-01 22:45:11,333 INFO L78 Accepts]: Start accepts. Automaton has 25688 states and 34830 transitions. Word has length 530 [2018-12-01 22:45:11,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:45:11,333 INFO L480 AbstractCegarLoop]: Abstraction has 25688 states and 34830 transitions. [2018-12-01 22:45:11,333 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-01 22:45:11,333 INFO L276 IsEmpty]: Start isEmpty. Operand 25688 states and 34830 transitions. [2018-12-01 22:45:11,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 555 [2018-12-01 22:45:11,358 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:45:11,358 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:45:11,358 INFO L423 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:45:11,358 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:45:11,358 INFO L82 PathProgramCache]: Analyzing trace with hash 1553570919, now seen corresponding path program 1 times [2018-12-01 22:45:11,358 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:45:11,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:45:11,359 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:45:11,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:45:11,359 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:45:11,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:45:11,917 INFO L134 CoverageAnalysis]: Checked inductivity of 846 backedges. 562 proven. 2 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2018-12-01 22:45:11,917 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:45:11,917 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-01 22:45:11,917 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 555 with the following transitions: [2018-12-01 22:45:11,917 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [562], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [680], [685], [687], [688], [692], [696], [707], [710], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [777], [781], [785], [789], [793], [797], [808], [812], [816], [820], [824], [828], [832], [843], [847], [851], [862], [866], [870], [874], [878], [889], [893], [897], [901], [905], [909], [913], [924], [928], [932], [936], [940], [944], [948], [952], [956], [960], [963], [968], [970], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-01 22:45:11,920 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-01 22:45:11,920 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-01 22:45:12,456 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-01 22:45:12,456 INFO L272 AbstractInterpreter]: Visited 182 different actions 898 times. Merged at 8 different actions 40 times. Widened at 1 different actions 1 times. Performed 13076 root evaluator evaluations with a maximum evaluation depth of 16. Performed 13076 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Found 11 fixpoints after 3 different actions. Largest state had 28 variables. [2018-12-01 22:45:12,458 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:45:12,458 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-01 22:45:12,458 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:45:12,458 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fc051550-bf0a-42c6-b03e-8cf28310e949/bin-2019/utaipan/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-01 22:45:12,463 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:45:12,464 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-01 22:45:12,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:45:12,532 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 22:45:12,672 INFO L134 CoverageAnalysis]: Checked inductivity of 846 backedges. 562 proven. 2 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2018-12-01 22:45:12,672 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-01 22:45:12,851 INFO L134 CoverageAnalysis]: Checked inductivity of 846 backedges. 562 proven. 2 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2018-12-01 22:45:12,866 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-01 22:45:12,866 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 6, 6] total 20 [2018-12-01 22:45:12,866 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-01 22:45:12,866 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-12-01 22:45:12,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-12-01 22:45:12,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=322, Unknown=0, NotChecked=0, Total=380 [2018-12-01 22:45:12,867 INFO L87 Difference]: Start difference. First operand 25688 states and 34830 transitions. Second operand 17 states. [2018-12-01 22:45:15,999 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2018-12-01 22:45:16,967 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 40 [2018-12-01 22:45:17,144 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 34 [2018-12-01 22:45:17,294 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 37 [2018-12-01 22:45:18,756 WARN L180 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 45 [2018-12-01 22:45:21,503 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 37 [2018-12-01 22:45:22,357 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 32 [2018-12-01 22:45:23,725 WARN L180 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2018-12-01 22:45:26,708 WARN L180 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2018-12-01 22:45:27,427 WARN L180 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2018-12-01 22:45:28,513 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 44 [2018-12-01 22:45:28,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:45:28,968 INFO L93 Difference]: Finished difference Result 51613 states and 72849 transitions. [2018-12-01 22:45:28,968 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2018-12-01 22:45:28,968 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 554 [2018-12-01 22:45:28,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:45:29,042 INFO L225 Difference]: With dead ends: 51613 [2018-12-01 22:45:29,042 INFO L226 Difference]: Without dead ends: 27425 [2018-12-01 22:45:29,085 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1229 GetRequests, 1143 SyntacticMatches, 1 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2269 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=1375, Invalid=6107, Unknown=0, NotChecked=0, Total=7482 [2018-12-01 22:45:29,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27425 states. [2018-12-01 22:45:29,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27425 to 25423. [2018-12-01 22:45:29,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25423 states. [2018-12-01 22:45:29,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25423 states to 25423 states and 33573 transitions. [2018-12-01 22:45:29,554 INFO L78 Accepts]: Start accepts. Automaton has 25423 states and 33573 transitions. Word has length 554 [2018-12-01 22:45:29,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:45:29,554 INFO L480 AbstractCegarLoop]: Abstraction has 25423 states and 33573 transitions. [2018-12-01 22:45:29,554 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-12-01 22:45:29,555 INFO L276 IsEmpty]: Start isEmpty. Operand 25423 states and 33573 transitions. [2018-12-01 22:45:29,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 677 [2018-12-01 22:45:29,596 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:45:29,596 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2018-12-01 22:45:29,596 INFO L423 AbstractCegarLoop]: === Iteration 20 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:45:29,596 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:45:29,596 INFO L82 PathProgramCache]: Analyzing trace with hash -237884832, now seen corresponding path program 1 times [2018-12-01 22:45:29,596 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:45:29,597 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:45:29,597 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:45:29,597 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:45:29,597 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:45:29,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:45:29,854 INFO L134 CoverageAnalysis]: Checked inductivity of 1347 backedges. 634 proven. 107 refuted. 0 times theorem prover too weak. 606 trivial. 0 not checked. [2018-12-01 22:45:29,854 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:45:29,854 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-01 22:45:29,854 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 677 with the following transitions: [2018-12-01 22:45:29,854 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [594], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [653], [654], [658], [662], [666], [677], [680], [685], [687], [688], [692], [696], [707], [710], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [777], [781], [785], [789], [793], [797], [808], [812], [816], [820], [824], [828], [832], [843], [847], [851], [862], [866], [870], [874], [878], [889], [893], [897], [901], [905], [909], [913], [924], [928], [932], [936], [940], [944], [948], [952], [956], [960], [971], [975], [979], [983], [987], [991], [1002], [1005], [1008], [1012], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-01 22:45:29,856 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-01 22:45:29,856 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-01 22:45:30,531 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-01 22:45:30,531 INFO L272 AbstractInterpreter]: Visited 190 different actions 935 times. Merged at 9 different actions 37 times. Never widened. Performed 13630 root evaluator evaluations with a maximum evaluation depth of 18. Performed 13630 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 13 fixpoints after 3 different actions. Largest state had 28 variables. [2018-12-01 22:45:30,533 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:45:30,533 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-01 22:45:30,534 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:45:30,534 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fc051550-bf0a-42c6-b03e-8cf28310e949/bin-2019/utaipan/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-01 22:45:30,541 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:45:30,541 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-01 22:45:30,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:45:30,634 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 22:45:32,699 WARN L180 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 126 DAG size of output: 20 [2018-12-01 22:45:32,972 INFO L134 CoverageAnalysis]: Checked inductivity of 1347 backedges. 322 proven. 0 refuted. 0 times theorem prover too weak. 1025 trivial. 0 not checked. [2018-12-01 22:45:32,972 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-01 22:45:33,120 INFO L134 CoverageAnalysis]: Checked inductivity of 1347 backedges. 322 proven. 0 refuted. 0 times theorem prover too weak. 1025 trivial. 0 not checked. [2018-12-01 22:45:33,136 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-01 22:45:33,136 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [7] total 9 [2018-12-01 22:45:33,136 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:45:33,137 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 22:45:33,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 22:45:33,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-12-01 22:45:33,137 INFO L87 Difference]: Start difference. First operand 25423 states and 33573 transitions. Second operand 3 states. [2018-12-01 22:45:38,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:45:38,692 INFO L93 Difference]: Finished difference Result 52716 states and 70194 transitions. [2018-12-01 22:45:38,692 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 22:45:38,692 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 676 [2018-12-01 22:45:38,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:45:38,760 INFO L225 Difference]: With dead ends: 52716 [2018-12-01 22:45:38,760 INFO L226 Difference]: Without dead ends: 29597 [2018-12-01 22:45:38,804 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1358 GetRequests, 1351 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-12-01 22:45:38,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29597 states. [2018-12-01 22:45:39,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29597 to 29347. [2018-12-01 22:45:39,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29347 states. [2018-12-01 22:45:39,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29347 states to 29347 states and 38432 transitions. [2018-12-01 22:45:39,343 INFO L78 Accepts]: Start accepts. Automaton has 29347 states and 38432 transitions. Word has length 676 [2018-12-01 22:45:39,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:45:39,343 INFO L480 AbstractCegarLoop]: Abstraction has 29347 states and 38432 transitions. [2018-12-01 22:45:39,343 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 22:45:39,343 INFO L276 IsEmpty]: Start isEmpty. Operand 29347 states and 38432 transitions. [2018-12-01 22:45:39,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 753 [2018-12-01 22:45:39,402 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:45:39,402 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 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, 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] [2018-12-01 22:45:39,402 INFO L423 AbstractCegarLoop]: === Iteration 21 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:45:39,402 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:45:39,403 INFO L82 PathProgramCache]: Analyzing trace with hash -1041098036, now seen corresponding path program 1 times [2018-12-01 22:45:39,403 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:45:39,403 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:45:39,403 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:45:39,403 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:45:39,403 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:45:39,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:45:39,702 INFO L134 CoverageAnalysis]: Checked inductivity of 1829 backedges. 832 proven. 90 refuted. 0 times theorem prover too weak. 907 trivial. 0 not checked. [2018-12-01 22:45:39,702 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:45:39,702 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-01 22:45:39,702 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 753 with the following transitions: [2018-12-01 22:45:39,703 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [562], [563], [567], [571], [575], [578], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [618], [623], [625], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [777], [781], [785], [789], [793], [797], [800], [803], [807], [808], [812], [816], [820], [824], [828], [832], [843], [847], [851], [862], [866], [870], [874], [878], [881], [886], [888], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-01 22:45:39,704 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-01 22:45:39,704 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-01 22:45:40,133 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-01 22:45:40,133 INFO L272 AbstractInterpreter]: Visited 169 different actions 822 times. Merged at 9 different actions 41 times. Never widened. Performed 11804 root evaluator evaluations with a maximum evaluation depth of 16. Performed 11804 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Found 13 fixpoints after 3 different actions. Largest state had 28 variables. [2018-12-01 22:45:40,134 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:45:40,134 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-01 22:45:40,134 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:45:40,134 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fc051550-bf0a-42c6-b03e-8cf28310e949/bin-2019/utaipan/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-01 22:45:40,140 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:45:40,141 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-01 22:45:40,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:45:40,228 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 22:45:40,463 INFO L134 CoverageAnalysis]: Checked inductivity of 1829 backedges. 1199 proven. 2 refuted. 0 times theorem prover too weak. 628 trivial. 0 not checked. [2018-12-01 22:45:40,464 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-01 22:45:40,693 INFO L134 CoverageAnalysis]: Checked inductivity of 1829 backedges. 832 proven. 90 refuted. 0 times theorem prover too weak. 907 trivial. 0 not checked. [2018-12-01 22:45:40,709 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-01 22:45:40,709 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-12-01 22:45:40,709 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-01 22:45:40,710 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-01 22:45:40,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-01 22:45:40,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-12-01 22:45:40,710 INFO L87 Difference]: Start difference. First operand 29347 states and 38432 transitions. Second operand 9 states. [2018-12-01 22:45:42,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:45:42,178 INFO L93 Difference]: Finished difference Result 53824 states and 69379 transitions. [2018-12-01 22:45:42,179 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-01 22:45:42,179 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 752 [2018-12-01 22:45:42,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:45:42,179 INFO L225 Difference]: With dead ends: 53824 [2018-12-01 22:45:42,180 INFO L226 Difference]: Without dead ends: 0 [2018-12-01 22:45:42,240 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1523 GetRequests, 1506 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=100, Invalid=206, Unknown=0, NotChecked=0, Total=306 [2018-12-01 22:45:42,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-01 22:45:42,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-01 22:45:42,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-01 22:45:42,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-01 22:45:42,241 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 752 [2018-12-01 22:45:42,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:45:42,241 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-01 22:45:42,241 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-01 22:45:42,241 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-01 22:45:42,241 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 22:45:42,244 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-01 22:45:42,349 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:42,450 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:42,559 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:42,659 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:42,661 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:42,737 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:42,737 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:42,738 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:42,739 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:42,744 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:42,745 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:42,746 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:42,753 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:42,755 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:42,764 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:42,765 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:42,772 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:42,773 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:42,779 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:42,780 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:42,793 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:42,794 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:42,796 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:42,798 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:42,799 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:42,850 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:42,853 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:42,865 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:42,891 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:42,899 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:42,903 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:42,906 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:42,910 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:42,922 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:42,931 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:42,935 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:42,939 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:42,951 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:42,969 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:42,998 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:43,001 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:43,081 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:43,086 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:43,096 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:43,105 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:43,129 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:43,212 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:43,218 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:43,245 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:43,295 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:43,315 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:43,321 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:43,333 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:43,340 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:43,417 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:43,417 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:43,424 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:43,424 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:43,432 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:43,439 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:43,454 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:43,484 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:43,491 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:43,499 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:43,514 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:43,538 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:43,695 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:43,754 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:43,879 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:43,903 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:43,916 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:43,928 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:44,004 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:44,031 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:44,339 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:44,726 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:45,674 WARN L180 SmtUtils]: Spent 2.98 s on a formula simplification. DAG size of input: 1312 DAG size of output: 988 [2018-12-01 22:45:45,704 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:45,706 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:45,706 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:45,711 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:45,712 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:45,722 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:45,723 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:45,729 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:45,730 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:45,744 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:45,746 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:45,747 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:45,759 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:45,760 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:45,783 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:45,786 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:45,789 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:45,795 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:45,797 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:45,801 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:45,806 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:45,809 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:45,826 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:45,828 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:45,847 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:45,851 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:45,853 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:45,875 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:45,881 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:45,915 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:45,919 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:45,922 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:45,925 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:45,943 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:45,946 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:46,013 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:46,017 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:46,031 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:46,157 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:46,173 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:46,179 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:46,189 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:46,207 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:46,267 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:46,267 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:46,274 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:46,274 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:46,282 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:46,288 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:46,309 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:46,316 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:46,323 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:46,337 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:46,352 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:46,375 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:46,498 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:46,547 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:46,557 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:46,567 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:46,791 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:45:48,433 WARN L180 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 1237 DAG size of output: 938 [2018-12-01 22:45:50,830 WARN L180 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 570 DAG size of output: 135 [2018-12-01 22:45:57,133 WARN L180 SmtUtils]: Spent 6.29 s on a formula simplification. DAG size of input: 877 DAG size of output: 114 [2018-12-01 22:46:05,220 WARN L180 SmtUtils]: Spent 8.08 s on a formula simplification. DAG size of input: 840 DAG size of output: 118 [2018-12-01 22:46:05,221 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-01 22:46:05,222 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a29~0 |old(~a29~0)|) (= ~a23~0 |old(~a23~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a25~0 |old(~a25~0)|)) [2018-12-01 22:46:05,222 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-01 22:46:05,222 INFO L448 ceAbstractionStarter]: For program point L168(line 168) no Hoare annotation was computed. [2018-12-01 22:46:05,222 INFO L448 ceAbstractionStarter]: For program point L102(line 102) no Hoare annotation was computed. [2018-12-01 22:46:05,222 INFO L448 ceAbstractionStarter]: For program point L36(line 36) no Hoare annotation was computed. [2018-12-01 22:46:05,222 INFO L448 ceAbstractionStarter]: For program point L566(lines 566 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,222 INFO L448 ceAbstractionStarter]: For program point L500(lines 500 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,222 INFO L448 ceAbstractionStarter]: For program point L170-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:46:05,222 INFO L448 ceAbstractionStarter]: For program point L104-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:46:05,222 INFO L448 ceAbstractionStarter]: For program point L38-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:46:05,222 INFO L448 ceAbstractionStarter]: For program point L963(lines 963 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,222 INFO L448 ceAbstractionStarter]: For program point L831(lines 831 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,222 INFO L448 ceAbstractionStarter]: For program point L171(line 171) no Hoare annotation was computed. [2018-12-01 22:46:05,222 INFO L448 ceAbstractionStarter]: For program point L105(line 105) no Hoare annotation was computed. [2018-12-01 22:46:05,222 INFO L448 ceAbstractionStarter]: For program point L39(line 39) no Hoare annotation was computed. [2018-12-01 22:46:05,222 INFO L448 ceAbstractionStarter]: For program point L898(lines 898 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,222 INFO L448 ceAbstractionStarter]: For program point L436(lines 436 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,222 INFO L448 ceAbstractionStarter]: For program point L370(lines 370 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,222 INFO L448 ceAbstractionStarter]: For program point L635(lines 635 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,222 INFO L448 ceAbstractionStarter]: For program point L305(lines 305 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,222 INFO L448 ceAbstractionStarter]: For program point L173-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:46:05,223 INFO L448 ceAbstractionStarter]: For program point L107-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:46:05,223 INFO L448 ceAbstractionStarter]: For program point L41-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:46:05,223 INFO L448 ceAbstractionStarter]: For program point L240(lines 240 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,223 INFO L448 ceAbstractionStarter]: For program point L174(line 174) no Hoare annotation was computed. [2018-12-01 22:46:05,223 INFO L448 ceAbstractionStarter]: For program point L108(line 108) no Hoare annotation was computed. [2018-12-01 22:46:05,223 INFO L448 ceAbstractionStarter]: For program point L42(line 42) no Hoare annotation was computed. [2018-12-01 22:46:05,223 INFO L448 ceAbstractionStarter]: For program point L769(lines 769 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,223 INFO L448 ceAbstractionStarter]: For program point L836(lines 836 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,223 INFO L448 ceAbstractionStarter]: For program point L572(lines 572 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,223 INFO L448 ceAbstractionStarter]: For program point L176-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:46:05,223 INFO L448 ceAbstractionStarter]: For program point L110-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:46:05,223 INFO L448 ceAbstractionStarter]: For program point L44-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:46:05,223 INFO L448 ceAbstractionStarter]: For program point L969(lines 969 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,223 INFO L448 ceAbstractionStarter]: For program point L903(lines 903 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,223 INFO L448 ceAbstractionStarter]: For program point L507(lines 507 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,223 INFO L448 ceAbstractionStarter]: For program point L177(line 177) no Hoare annotation was computed. [2018-12-01 22:46:05,223 INFO L448 ceAbstractionStarter]: For program point L111(line 111) no Hoare annotation was computed. [2018-12-01 22:46:05,223 INFO L448 ceAbstractionStarter]: For program point L45(line 45) no Hoare annotation was computed. [2018-12-01 22:46:05,223 INFO L448 ceAbstractionStarter]: For program point L970(lines 970 980) no Hoare annotation was computed. [2018-12-01 22:46:05,223 INFO L448 ceAbstractionStarter]: For program point L904(lines 904 914) no Hoare annotation was computed. [2018-12-01 22:46:05,223 INFO L448 ceAbstractionStarter]: For program point L970-2(lines 970 980) no Hoare annotation was computed. [2018-12-01 22:46:05,223 INFO L448 ceAbstractionStarter]: For program point L904-2(lines 904 914) no Hoare annotation was computed. [2018-12-01 22:46:05,223 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,224 INFO L448 ceAbstractionStarter]: For program point L310(lines 310 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,224 INFO L448 ceAbstractionStarter]: For program point L575(lines 575 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,224 INFO L448 ceAbstractionStarter]: For program point L443(lines 443 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,224 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,224 INFO L448 ceAbstractionStarter]: For program point L179-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:46:05,224 INFO L448 ceAbstractionStarter]: For program point L113-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:46:05,224 INFO L448 ceAbstractionStarter]: For program point L47-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:46:05,224 INFO L448 ceAbstractionStarter]: For program point L774(lines 774 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,224 INFO L448 ceAbstractionStarter]: For program point L642(lines 642 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,224 INFO L448 ceAbstractionStarter]: For program point L180(line 180) no Hoare annotation was computed. [2018-12-01 22:46:05,224 INFO L448 ceAbstractionStarter]: For program point L114(line 114) no Hoare annotation was computed. [2018-12-01 22:46:05,224 INFO L448 ceAbstractionStarter]: For program point L48(line 48) no Hoare annotation was computed. [2018-12-01 22:46:05,224 INFO L448 ceAbstractionStarter]: For program point L841(lines 841 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,224 INFO L448 ceAbstractionStarter]: For program point L247(lines 247 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,224 INFO L448 ceAbstractionStarter]: For program point L182-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:46:05,224 INFO L448 ceAbstractionStarter]: For program point L116-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:46:05,224 INFO L448 ceAbstractionStarter]: For program point L50-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:46:05,224 INFO L448 ceAbstractionStarter]: For program point L183(line 183) no Hoare annotation was computed. [2018-12-01 22:46:05,224 INFO L448 ceAbstractionStarter]: For program point L117(line 117) no Hoare annotation was computed. [2018-12-01 22:46:05,224 INFO L448 ceAbstractionStarter]: For program point L51(line 51) no Hoare annotation was computed. [2018-12-01 22:46:05,224 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:46:05,224 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,225 INFO L448 ceAbstractionStarter]: For program point L514(lines 514 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,225 INFO L448 ceAbstractionStarter]: For program point L647(lines 647 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,225 INFO L448 ceAbstractionStarter]: For program point L581(lines 581 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,225 INFO L448 ceAbstractionStarter]: For program point L515(lines 515 525) no Hoare annotation was computed. [2018-12-01 22:46:05,225 INFO L448 ceAbstractionStarter]: For program point L515-2(lines 515 525) no Hoare annotation was computed. [2018-12-01 22:46:05,225 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,225 INFO L448 ceAbstractionStarter]: For program point L185-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:46:05,225 INFO L448 ceAbstractionStarter]: For program point L119-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:46:05,225 INFO L448 ceAbstractionStarter]: For program point L53-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:46:05,225 INFO L448 ceAbstractionStarter]: For program point L846(lines 846 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,225 INFO L448 ceAbstractionStarter]: For program point L780(lines 780 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,225 INFO L448 ceAbstractionStarter]: For program point L648(lines 648 657) no Hoare annotation was computed. [2018-12-01 22:46:05,225 INFO L448 ceAbstractionStarter]: For program point L648-2(lines 648 657) no Hoare annotation was computed. [2018-12-01 22:46:05,225 INFO L448 ceAbstractionStarter]: For program point L450(lines 450 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,225 INFO L448 ceAbstractionStarter]: For program point L384(lines 384 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,225 INFO L448 ceAbstractionStarter]: For program point L186(line 186) no Hoare annotation was computed. [2018-12-01 22:46:05,225 INFO L448 ceAbstractionStarter]: For program point L120(line 120) no Hoare annotation was computed. [2018-12-01 22:46:05,225 INFO L448 ceAbstractionStarter]: For program point L54(line 54) no Hoare annotation was computed. [2018-12-01 22:46:05,225 INFO L448 ceAbstractionStarter]: For program point L254(lines 254 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,225 INFO L448 ceAbstractionStarter]: For program point L188-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:46:05,225 INFO L448 ceAbstractionStarter]: For program point L122-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:46:05,225 INFO L448 ceAbstractionStarter]: For program point L56-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:46:05,225 INFO L448 ceAbstractionStarter]: For program point L981(lines 981 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,225 INFO L448 ceAbstractionStarter]: For program point L915(lines 915 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,226 INFO L448 ceAbstractionStarter]: For program point L717(lines 717 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,226 INFO L448 ceAbstractionStarter]: For program point L189(line 189) no Hoare annotation was computed. [2018-12-01 22:46:05,226 INFO L448 ceAbstractionStarter]: For program point L123(line 123) no Hoare annotation was computed. [2018-12-01 22:46:05,226 INFO L448 ceAbstractionStarter]: For program point L57(line 57) no Hoare annotation was computed. [2018-12-01 22:46:05,226 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 195) no Hoare annotation was computed. [2018-12-01 22:46:05,226 INFO L448 ceAbstractionStarter]: For program point L916(lines 916 926) no Hoare annotation was computed. [2018-12-01 22:46:05,226 INFO L448 ceAbstractionStarter]: For program point L916-2(lines 916 926) no Hoare annotation was computed. [2018-12-01 22:46:05,226 INFO L448 ceAbstractionStarter]: For program point L718(lines 718 730) no Hoare annotation was computed. [2018-12-01 22:46:05,226 INFO L448 ceAbstractionStarter]: For program point L718-2(lines 718 730) no Hoare annotation was computed. [2018-12-01 22:46:05,226 INFO L448 ceAbstractionStarter]: For program point L586(lines 586 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,226 INFO L448 ceAbstractionStarter]: For program point L322(lines 322 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,226 INFO L448 ceAbstractionStarter]: For program point L587(lines 587 597) no Hoare annotation was computed. [2018-12-01 22:46:05,226 INFO L448 ceAbstractionStarter]: For program point L587-2(lines 587 597) no Hoare annotation was computed. [2018-12-01 22:46:05,226 INFO L448 ceAbstractionStarter]: For program point L191-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:46:05,226 INFO L448 ceAbstractionStarter]: For program point L125-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:46:05,226 INFO L448 ceAbstractionStarter]: For program point L59-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:46:05,226 INFO L448 ceAbstractionStarter]: For program point L852(lines 852 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,227 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 22 1026) the Hoare annotation is: (let ((.cse22 (= 11 |old(~a25~0)|)) (.cse18 (= 1 |old(~a4~0)|)) (.cse8 (= ~a23~0 |old(~a23~0)|)) (.cse7 (= ~a29~0 |old(~a29~0)|)) (.cse25 (= ~a4~0 |old(~a4~0)|)) (.cse9 (= ~a25~0 |old(~a25~0)|))) (let ((.cse11 (< |old(~a25~0)| 12)) (.cse17 (and .cse8 .cse7 .cse25 .cse9)) (.cse20 (forall ((v_prenex_31 Int)) (let ((.cse27 (* 5 (div v_prenex_31 5)))) (let ((.cse26 (mod .cse27 15))) (or (< |old(~a29~0)| (+ .cse26 246)) (= 0 .cse26) (<= 0 (+ .cse27 128610)) (not (= (mod v_prenex_31 5) 0))))))) (.cse0 (< 312 |old(~a23~0)|)) (.cse19 (not (= 10 |old(~a25~0)|))) (.cse6 (<= (+ |old(~a23~0)| 43) 0)) (.cse23 (< 274 |old(~a29~0)|)) (.cse5 (not .cse18)) (.cse13 (= |calculate_output_#in~input| 0)) (.cse15 (not .cse22)) (.cse16 (< |old(~a29~0)| 260)) (.cse24 (forall ((v_~a23~0_647 Int)) (or (< 138 v_~a23~0_647) (< (* 25 v_~a23~0_647) (+ |old(~a23~0)| 287786))))) (.cse3 (not (= 9 |old(~a25~0)|))) (.cse12 (< 140 |old(~a29~0)|)) (.cse10 (< 138 |old(~a23~0)|)) (.cse1 (not (= 15 ~a8~0))) (.cse2 (not (= 1 ~a3~0))) (.cse21 (< |old(~a29~0)| 130)) (.cse4 (and .cse7 .cse8 .cse25 .cse9)) (.cse14 (not (= 12 |old(~a25~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse1 .cse2 .cse5 .cse6 (and .cse7 .cse8 (= |old(~a4~0)| ~a4~0) .cse9) .cse10) (or .cse11 .cse1 .cse2 .cse5 .cse6 .cse4) (or .cse12 .cse13 .cse14 .cse1 .cse2 .cse5 .cse4) (or .cse11 .cse1 .cse2 .cse4 .cse6 .cse10) (or .cse1 .cse2 .cse15 (or .cse16 .cse6) .cse5 .cse17) (or .cse17 (or .cse1 .cse2 (< 0 (+ |old(~a29~0)| 580292)) .cse18 .cse14)) (or .cse1 .cse2 .cse18 .cse14 .cse4 .cse10) (or .cse19 .cse1 .cse2 .cse12 .cse4 .cse6 .cse10) (or .cse4 .cse1 .cse2 .cse3 .cse5 .cse20) (or .cse1 .cse2 .cse4 .cse21 .cse22 .cse5 .cse23) (or .cse4 .cse1 .cse2 .cse15 .cse18 .cse12 .cse10) (or .cse1 .cse2 .cse5 .cse4 .cse23 .cse20 .cse24) (or .cse0 .cse1 .cse2 .cse6 .cse15 .cse4 .cse5) (or .cse1 .cse2 .cse3 .cse4 .cse16 .cse10) (or .cse19 .cse1 .cse2 .cse18 .cse4 (< 0 (+ |old(~a29~0)| 28445))) (or .cse1 .cse2 .cse5 (or .cse21 .cse6) .cse23 .cse4) (or .cse1 .cse2 .cse4 .cse5 (= 0 |old(~a25~0)|) .cse13 (not (= 0 (mod |old(~a25~0)| 2))) (< 11 |old(~a25~0)|)) (or .cse4 .cse1 .cse2 .cse15 .cse18 .cse16 .cse24) (or .cse1 .cse2 .cse18 .cse3 .cse4 .cse12 .cse10) (or .cse1 .cse2 .cse18 .cse21 .cse4 .cse14)))) [2018-12-01 22:46:05,227 INFO L448 ceAbstractionStarter]: For program point L456(lines 456 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,227 INFO L448 ceAbstractionStarter]: For program point L192(line 192) no Hoare annotation was computed. [2018-12-01 22:46:05,227 INFO L448 ceAbstractionStarter]: For program point L126(line 126) no Hoare annotation was computed. [2018-12-01 22:46:05,227 INFO L448 ceAbstractionStarter]: For program point L60(line 60) no Hoare annotation was computed. [2018-12-01 22:46:05,227 INFO L448 ceAbstractionStarter]: For program point L787(lines 787 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,227 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,227 INFO L448 ceAbstractionStarter]: For program point L260(lines 260 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,227 INFO L448 ceAbstractionStarter]: For program point L194-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:46:05,227 INFO L448 ceAbstractionStarter]: For program point L128-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:46:05,227 INFO L448 ceAbstractionStarter]: For program point L62-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:46:05,227 INFO L448 ceAbstractionStarter]: For program point L195(line 195) no Hoare annotation was computed. [2018-12-01 22:46:05,227 INFO L448 ceAbstractionStarter]: For program point L129(line 129) no Hoare annotation was computed. [2018-12-01 22:46:05,227 INFO L448 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-12-01 22:46:05,227 INFO L448 ceAbstractionStarter]: For program point L988(lines 988 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,227 INFO L448 ceAbstractionStarter]: For program point L658(lines 658 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,227 INFO L448 ceAbstractionStarter]: For program point L526(lines 526 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,227 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,227 INFO L448 ceAbstractionStarter]: For program point L197-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:46:05,227 INFO L448 ceAbstractionStarter]: For program point L131-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:46:05,228 INFO L448 ceAbstractionStarter]: For program point L65-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:46:05,228 INFO L448 ceAbstractionStarter]: For program point L792(lines 792 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,228 INFO L448 ceAbstractionStarter]: For program point L198(line 198) no Hoare annotation was computed. [2018-12-01 22:46:05,228 INFO L448 ceAbstractionStarter]: For program point L132(line 132) no Hoare annotation was computed. [2018-12-01 22:46:05,228 INFO L448 ceAbstractionStarter]: For program point L66(line 66) no Hoare annotation was computed. [2018-12-01 22:46:05,228 INFO L448 ceAbstractionStarter]: For program point L859(lines 859 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,228 INFO L448 ceAbstractionStarter]: For program point L463(lines 463 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,228 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,228 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,228 INFO L448 ceAbstractionStarter]: For program point L200-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:46:05,228 INFO L448 ceAbstractionStarter]: For program point L134-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:46:05,228 INFO L448 ceAbstractionStarter]: For program point L68-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:46:05,228 INFO L448 ceAbstractionStarter]: For program point L993(lines 993 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,228 INFO L448 ceAbstractionStarter]: For program point L927(lines 927 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,228 INFO L448 ceAbstractionStarter]: For program point L663(lines 663 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,228 INFO L448 ceAbstractionStarter]: For program point L531(lines 531 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,228 INFO L448 ceAbstractionStarter]: For program point L399(lines 399 410) no Hoare annotation was computed. [2018-12-01 22:46:05,228 INFO L448 ceAbstractionStarter]: For program point L399-2(lines 399 410) no Hoare annotation was computed. [2018-12-01 22:46:05,228 INFO L448 ceAbstractionStarter]: For program point L201(line 201) no Hoare annotation was computed. [2018-12-01 22:46:05,228 INFO L448 ceAbstractionStarter]: For program point L135(line 135) no Hoare annotation was computed. [2018-12-01 22:46:05,228 INFO L448 ceAbstractionStarter]: For program point L69(line 69) no Hoare annotation was computed. [2018-12-01 22:46:05,228 INFO L448 ceAbstractionStarter]: For program point L598(lines 598 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,228 INFO L448 ceAbstractionStarter]: For program point L334(lines 334 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,229 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,229 INFO L448 ceAbstractionStarter]: For program point L731(lines 731 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,229 INFO L448 ceAbstractionStarter]: For program point L203-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:46:05,229 INFO L448 ceAbstractionStarter]: For program point L137-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:46:05,229 INFO L448 ceAbstractionStarter]: For program point L71-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:46:05,229 INFO L448 ceAbstractionStarter]: For program point L204(line 204) no Hoare annotation was computed. [2018-12-01 22:46:05,229 INFO L448 ceAbstractionStarter]: For program point L138(line 138) no Hoare annotation was computed. [2018-12-01 22:46:05,229 INFO L448 ceAbstractionStarter]: For program point L72(line 72) no Hoare annotation was computed. [2018-12-01 22:46:05,229 INFO L448 ceAbstractionStarter]: For program point L865(lines 865 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,229 INFO L448 ceAbstractionStarter]: For program point L799(lines 799 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,229 INFO L448 ceAbstractionStarter]: For program point L932(lines 932 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,229 INFO L448 ceAbstractionStarter]: For program point L866(lines 866 875) no Hoare annotation was computed. [2018-12-01 22:46:05,229 INFO L448 ceAbstractionStarter]: For program point L866-2(lines 866 875) no Hoare annotation was computed. [2018-12-01 22:46:05,229 INFO L448 ceAbstractionStarter]: For program point L470(lines 470 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,229 INFO L448 ceAbstractionStarter]: For program point L140-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:46:05,229 INFO L448 ceAbstractionStarter]: For program point L74-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:46:05,229 INFO L448 ceAbstractionStarter]: For program point L603(lines 603 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,229 INFO L448 ceAbstractionStarter]: For program point L537(lines 537 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,229 INFO L448 ceAbstractionStarter]: For program point L141(line 141) no Hoare annotation was computed. [2018-12-01 22:46:05,229 INFO L448 ceAbstractionStarter]: For program point L75(line 75) no Hoare annotation was computed. [2018-12-01 22:46:05,229 INFO L448 ceAbstractionStarter]: For program point L1000(lines 1000 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,230 INFO L448 ceAbstractionStarter]: For program point L670(lines 670 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,230 INFO L448 ceAbstractionStarter]: For program point L604(lines 604 614) no Hoare annotation was computed. [2018-12-01 22:46:05,230 INFO L448 ceAbstractionStarter]: For program point L604-2(lines 604 614) no Hoare annotation was computed. [2018-12-01 22:46:05,230 INFO L448 ceAbstractionStarter]: For program point L340(lines 340 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,230 INFO L448 ceAbstractionStarter]: For program point L275(lines 275 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,230 INFO L448 ceAbstractionStarter]: For program point L143-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:46:05,230 INFO L448 ceAbstractionStarter]: For program point L77-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:46:05,230 INFO L448 ceAbstractionStarter]: For program point L804(lines 804 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,230 INFO L448 ceAbstractionStarter]: For program point L738(lines 738 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,230 INFO L448 ceAbstractionStarter]: For program point L144(line 144) no Hoare annotation was computed. [2018-12-01 22:46:05,230 INFO L448 ceAbstractionStarter]: For program point L78(line 78) no Hoare annotation was computed. [2018-12-01 22:46:05,230 INFO L448 ceAbstractionStarter]: For program point L805(lines 805 815) no Hoare annotation was computed. [2018-12-01 22:46:05,230 INFO L448 ceAbstractionStarter]: For program point L805-2(lines 805 815) no Hoare annotation was computed. [2018-12-01 22:46:05,230 INFO L448 ceAbstractionStarter]: For program point L542(lines 542 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,230 INFO L448 ceAbstractionStarter]: For program point L146-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:46:05,230 INFO L448 ceAbstractionStarter]: For program point L80-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:46:05,230 INFO L448 ceAbstractionStarter]: For program point L1005(lines 1005 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,230 INFO L448 ceAbstractionStarter]: For program point L939(lines 939 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,230 INFO L448 ceAbstractionStarter]: For program point L675(lines 675 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,230 INFO L448 ceAbstractionStarter]: For program point L477(lines 477 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,230 INFO L448 ceAbstractionStarter]: For program point L411(lines 411 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,230 INFO L448 ceAbstractionStarter]: For program point L147(line 147) no Hoare annotation was computed. [2018-12-01 22:46:05,230 INFO L448 ceAbstractionStarter]: For program point L81(line 81) no Hoare annotation was computed. [2018-12-01 22:46:05,230 INFO L448 ceAbstractionStarter]: For program point L940(lines 940 952) no Hoare annotation was computed. [2018-12-01 22:46:05,231 INFO L448 ceAbstractionStarter]: For program point L940-2(lines 940 952) no Hoare annotation was computed. [2018-12-01 22:46:05,231 INFO L448 ceAbstractionStarter]: For program point L478(lines 478 486) no Hoare annotation was computed. [2018-12-01 22:46:05,231 INFO L448 ceAbstractionStarter]: For program point L478-2(lines 478 486) no Hoare annotation was computed. [2018-12-01 22:46:05,231 INFO L448 ceAbstractionStarter]: For program point L346(lines 346 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,231 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,231 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,231 INFO L448 ceAbstractionStarter]: For program point L743(lines 743 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,231 INFO L448 ceAbstractionStarter]: For program point L149-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:46:05,231 INFO L448 ceAbstractionStarter]: For program point L83-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:46:05,231 INFO L448 ceAbstractionStarter]: For program point L876(lines 876 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,231 INFO L448 ceAbstractionStarter]: For program point L150(line 150) no Hoare annotation was computed. [2018-12-01 22:46:05,231 INFO L448 ceAbstractionStarter]: For program point L84(line 84) no Hoare annotation was computed. [2018-12-01 22:46:05,231 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:46:05,231 INFO L448 ceAbstractionStarter]: For program point L152-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:46:05,231 INFO L448 ceAbstractionStarter]: For program point L86-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:46:05,231 INFO L448 ceAbstractionStarter]: For program point L681(lines 681 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,231 INFO L448 ceAbstractionStarter]: For program point L615(lines 615 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,231 INFO L448 ceAbstractionStarter]: For program point L549(lines 549 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,231 INFO L448 ceAbstractionStarter]: For program point L417(lines 417 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,231 INFO L448 ceAbstractionStarter]: For program point L153(line 153) no Hoare annotation was computed. [2018-12-01 22:46:05,231 INFO L448 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2018-12-01 22:46:05,231 INFO L448 ceAbstractionStarter]: For program point L1012(lines 1012 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,231 INFO L448 ceAbstractionStarter]: For program point L881(lines 881 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,232 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,232 INFO L448 ceAbstractionStarter]: For program point L287(lines 287 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,232 INFO L448 ceAbstractionStarter]: For program point L221(lines 221 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,232 INFO L448 ceAbstractionStarter]: For program point L155-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:46:05,232 INFO L448 ceAbstractionStarter]: For program point L89-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:46:05,232 INFO L448 ceAbstractionStarter]: For program point L23(lines 23 25) no Hoare annotation was computed. [2018-12-01 22:46:05,232 INFO L448 ceAbstractionStarter]: For program point L23-2(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:46:05,232 INFO L448 ceAbstractionStarter]: For program point L816(lines 816 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,232 INFO L448 ceAbstractionStarter]: For program point L750(lines 750 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,232 INFO L448 ceAbstractionStarter]: For program point L156(line 156) no Hoare annotation was computed. [2018-12-01 22:46:05,232 INFO L448 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2018-12-01 22:46:05,232 INFO L448 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2018-12-01 22:46:05,232 INFO L448 ceAbstractionStarter]: For program point L487(lines 487 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,232 INFO L448 ceAbstractionStarter]: For program point L488(lines 488 499) no Hoare annotation was computed. [2018-12-01 22:46:05,232 INFO L448 ceAbstractionStarter]: For program point L422(lines 422 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,232 INFO L448 ceAbstractionStarter]: For program point L488-2(lines 488 499) no Hoare annotation was computed. [2018-12-01 22:46:05,232 INFO L448 ceAbstractionStarter]: For program point L158-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:46:05,232 INFO L448 ceAbstractionStarter]: For program point L92-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:46:05,232 INFO L448 ceAbstractionStarter]: For program point L26-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:46:05,232 INFO L448 ceAbstractionStarter]: For program point L1017(lines 1017 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,232 INFO L448 ceAbstractionStarter]: For program point L621(lines 621 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,232 INFO L448 ceAbstractionStarter]: For program point L555(lines 555 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,232 INFO L448 ceAbstractionStarter]: For program point L159(line 159) no Hoare annotation was computed. [2018-12-01 22:46:05,232 INFO L448 ceAbstractionStarter]: For program point L93(line 93) no Hoare annotation was computed. [2018-12-01 22:46:05,233 INFO L448 ceAbstractionStarter]: For program point L27(line 27) no Hoare annotation was computed. [2018-12-01 22:46:05,233 INFO L448 ceAbstractionStarter]: For program point L886(lines 886 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,233 INFO L448 ceAbstractionStarter]: For program point L688(lines 688 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,233 INFO L448 ceAbstractionStarter]: For program point L358(lines 358 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,233 INFO L448 ceAbstractionStarter]: For program point L953(lines 953 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,233 INFO L448 ceAbstractionStarter]: For program point L227(lines 227 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,233 INFO L448 ceAbstractionStarter]: For program point L161-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:46:05,233 INFO L448 ceAbstractionStarter]: For program point L95-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:46:05,233 INFO L448 ceAbstractionStarter]: For program point L29-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:46:05,233 INFO L448 ceAbstractionStarter]: For program point L822(lines 822 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,233 INFO L448 ceAbstractionStarter]: For program point L294(lines 294 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,233 INFO L448 ceAbstractionStarter]: For program point L162(line 162) no Hoare annotation was computed. [2018-12-01 22:46:05,233 INFO L448 ceAbstractionStarter]: For program point L96(line 96) no Hoare annotation was computed. [2018-12-01 22:46:05,233 INFO L448 ceAbstractionStarter]: For program point L30(line 30) no Hoare annotation was computed. [2018-12-01 22:46:05,233 INFO L448 ceAbstractionStarter]: For program point L757(lines 757 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,233 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 768) no Hoare annotation was computed. [2018-12-01 22:46:05,233 INFO L448 ceAbstractionStarter]: For program point L758-2(lines 758 768) no Hoare annotation was computed. [2018-12-01 22:46:05,233 INFO L448 ceAbstractionStarter]: For program point L164-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:46:05,233 INFO L448 ceAbstractionStarter]: For program point L98-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:46:05,233 INFO L448 ceAbstractionStarter]: For program point L32-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:46:05,233 INFO L448 ceAbstractionStarter]: For program point L825(lines 825 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,233 INFO L448 ceAbstractionStarter]: For program point L561(lines 561 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,233 INFO L448 ceAbstractionStarter]: For program point L429(lines 429 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,234 INFO L448 ceAbstractionStarter]: For program point L165(line 165) no Hoare annotation was computed. [2018-12-01 22:46:05,234 INFO L448 ceAbstractionStarter]: For program point L99(line 99) no Hoare annotation was computed. [2018-12-01 22:46:05,234 INFO L448 ceAbstractionStarter]: For program point L33(line 33) no Hoare annotation was computed. [2018-12-01 22:46:05,234 INFO L448 ceAbstractionStarter]: For program point L958(lines 958 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,234 INFO L448 ceAbstractionStarter]: For program point L694(lines 694 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,234 INFO L448 ceAbstractionStarter]: For program point L628(lines 628 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,234 INFO L448 ceAbstractionStarter]: For program point L893(lines 893 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,234 INFO L448 ceAbstractionStarter]: For program point L695(lines 695 705) no Hoare annotation was computed. [2018-12-01 22:46:05,234 INFO L448 ceAbstractionStarter]: For program point L695-2(lines 695 705) no Hoare annotation was computed. [2018-12-01 22:46:05,234 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,234 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,234 INFO L448 ceAbstractionStarter]: For program point L233(lines 233 1024) no Hoare annotation was computed. [2018-12-01 22:46:05,234 INFO L448 ceAbstractionStarter]: For program point L167-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:46:05,234 INFO L448 ceAbstractionStarter]: For program point L101-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:46:05,234 INFO L448 ceAbstractionStarter]: For program point L35-1(lines 22 1026) no Hoare annotation was computed. [2018-12-01 22:46:05,234 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-01 22:46:05,234 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a23~0 312) (= ~a8~0 15) (<= ~a29~0 130) (= 1 ~a4~0) (<= 130 ~a29~0) (= ~a25~0 10) (= ~a3~0 1)) [2018-12-01 22:46:05,234 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-01 22:46:05,234 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-01 22:46:05,234 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 1028 1044) the Hoare annotation is: (or (not (= 10 |old(~a25~0)|)) (and (<= 130 ~a29~0) (= ~a23~0 312) (<= ~a29~0 130) (= ~a4~0 |old(~a4~0)|) (= ~a25~0 |old(~a25~0)|)) (not (= 15 ~a8~0)) (not (= 1 ~a3~0)) (not (= 312 |old(~a23~0)|)) (not (= 1 |old(~a4~0)|)) (not (= 130 |old(~a29~0)|))) [2018-12-01 22:46:05,234 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 1028 1044) no Hoare annotation was computed. [2018-12-01 22:46:05,235 INFO L444 ceAbstractionStarter]: At program point L1042(line 1042) the Hoare annotation is: (let ((.cse0 (<= 12 ~a25~0)) (.cse9 (not (= main_~input~0 0))) (.cse13 (<= ~a29~0 140)) (.cse10 (= ~a25~0 12)) (.cse4 (exists ((v_~a23~0_647 Int)) (and (<= v_~a23~0_647 138) (<= (+ ~a23~0 287786) (* 25 v_~a23~0_647))))) (.cse2 (<= ~a23~0 138)) (.cse6 (<= ~a29~0 274)) (.cse14 (<= 130 ~a29~0)) (.cse8 (<= ~a23~0 312)) (.cse7 (= 11 ~a25~0)) (.cse1 (< 0 (+ ~a23~0 43))) (.cse5 (exists ((v_prenex_31 Int)) (let ((.cse18 (* 5 (div v_prenex_31 5)))) (let ((.cse17 (mod .cse18 15))) (and (not (= 0 .cse17)) (= (mod v_prenex_31 5) 0) (<= (+ .cse17 246) ~a29~0) (< (+ .cse18 128610) 0)))))) (.cse11 (= 9 ~a25~0)) (.cse3 (= 1 ~a4~0)) (.cse16 (<= 260 ~a29~0)) (.cse15 (= 10 ~a25~0)) (.cse12 (not (= ~a4~0 1)))) (or (and .cse0 .cse1 .cse2) (and .cse1 .cse2 .cse3) (not (= 10 |old(~a25~0)|)) (and .cse4 .cse3 .cse5 .cse6) (and .cse7 .cse8 .cse1 .cse3) (not (= 312 |old(~a23~0)|)) (and .cse9 .cse3 .cse10 .cse6) (not (= 1 |old(~a4~0)|)) (and .cse11 .cse2 .cse12 .cse13) (and .cse0 .cse1 .cse3) (not (= 130 |old(~a29~0)|)) (and (= 12 ~a25~0) (<= (+ ~a29~0 580292) 0) .cse12) (and (<= ~a25~0 11) .cse9 (= (mod ~a25~0 2) 0) (not (= ~a25~0 0)) .cse3) (and .cse10 .cse12 .cse14) (and .cse2 .cse15 .cse13 .cse1) (and .cse7 .cse2 .cse12 .cse13) (and .cse2 .cse10 .cse12) (and .cse1 .cse6 .cse14 .cse3) (not (= 1 ~a3~0)) (and .cse7 .cse4 .cse16 .cse12) (and .cse2 .cse16 .cse11) (and (not (= ~a25~0 11)) .cse6 .cse3 .cse14) (and .cse8 .cse3 .cse1 .cse11) (and .cse7 .cse3 .cse1 .cse5) (and .cse11 .cse3 .cse16) (and .cse15 (<= (+ ~a29~0 28445) 0) .cse12) (not (= 15 ~a8~0)))) [2018-12-01 22:46:05,235 INFO L448 ceAbstractionStarter]: For program point L1042-1(line 1042) no Hoare annotation was computed. [2018-12-01 22:46:05,235 INFO L448 ceAbstractionStarter]: For program point L1039(line 1039) no Hoare annotation was computed. [2018-12-01 22:46:05,235 INFO L444 ceAbstractionStarter]: At program point L1034-2(lines 1034 1043) the Hoare annotation is: (let ((.cse0 (<= 12 ~a25~0)) (.cse13 (<= ~a29~0 140)) (.cse4 (= ~a25~0 12)) (.cse6 (exists ((v_~a23~0_647 Int)) (and (<= v_~a23~0_647 138) (<= (+ ~a23~0 287786) (* 25 v_~a23~0_647))))) (.cse12 (not (= ~a4~0 1))) (.cse2 (<= ~a23~0 138)) (.cse5 (<= ~a29~0 274)) (.cse9 (= 11 ~a25~0)) (.cse14 (<= 130 ~a29~0)) (.cse10 (<= ~a23~0 312)) (.cse1 (< 0 (+ ~a23~0 43))) (.cse11 (= 9 ~a25~0)) (.cse3 (= 1 ~a4~0)) (.cse16 (<= 260 ~a29~0)) (.cse15 (= 10 ~a25~0))) (or (and .cse0 .cse1 .cse2) (and .cse1 .cse2 .cse3) (and .cse3 .cse4 .cse5) (not (= 10 |old(~a25~0)|)) (and .cse6 .cse3 (exists ((v_prenex_31 Int)) (let ((.cse8 (* 5 (div v_prenex_31 5)))) (let ((.cse7 (mod .cse8 15))) (and (not (= 0 .cse7)) (= (mod v_prenex_31 5) 0) (<= (+ .cse7 246) ~a29~0) (< (+ .cse8 128610) 0))))) .cse5) (and .cse9 .cse10 .cse1 .cse3) (not (= 312 |old(~a23~0)|)) (not (= 1 |old(~a4~0)|)) (and .cse11 .cse2 .cse12 .cse13) (and .cse0 .cse1 .cse3) (not (= 130 |old(~a29~0)|)) (and (= 12 ~a25~0) (<= (+ ~a29~0 580292) 0)) (and (<= ~a25~0 11) (= (mod ~a25~0 2) 0) (not (= ~a25~0 0)) .cse3) (and .cse4 .cse12 .cse14) (and .cse2 .cse15 .cse13 .cse1) (and .cse9 .cse2 .cse12 .cse13) (and .cse2 .cse4 .cse12) (not (= 1 ~a3~0)) (and .cse9 .cse6 .cse16 .cse12) (and .cse2 .cse16 .cse11) (and (not (= ~a25~0 11)) .cse5 .cse3 .cse14) (and .cse9 .cse1 .cse14 .cse3) (and .cse10 .cse3 .cse1 .cse11) (and .cse11 .cse3 .cse16) (and .cse15 (<= (+ ~a29~0 28445) 0)) (not (= 15 ~a8~0)))) [2018-12-01 22:46:05,235 INFO L448 ceAbstractionStarter]: For program point L1034-3(lines 1028 1044) no Hoare annotation was computed. [2018-12-01 22:46:05,238 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_647,QUANTIFIED] [2018-12-01 22:46:05,239 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_647,QUANTIFIED] [2018-12-01 22:46:05,239 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-12-01 22:46:05,239 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-12-01 22:46:05,240 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-12-01 22:46:05,240 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-12-01 22:46:05,240 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_647,QUANTIFIED] [2018-12-01 22:46:05,240 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_647,QUANTIFIED] [2018-12-01 22:46:05,244 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_647,QUANTIFIED] [2018-12-01 22:46:05,244 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_647,QUANTIFIED] [2018-12-01 22:46:05,244 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-12-01 22:46:05,245 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-12-01 22:46:05,245 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-12-01 22:46:05,245 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-12-01 22:46:05,245 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_647,QUANTIFIED] [2018-12-01 22:46:05,245 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_647,QUANTIFIED] [2018-12-01 22:46:05,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 10:46:05 BoogieIcfgContainer [2018-12-01 22:46:05,247 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-01 22:46:05,247 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 22:46:05,248 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 22:46:05,248 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 22:46:05,248 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:42:05" (3/4) ... [2018-12-01 22:46:05,250 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 22:46:05,254 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-01 22:46:05,254 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-01 22:46:05,255 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-01 22:46:05,262 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-01 22:46:05,263 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-01 22:46:05,281 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((12 <= a25 && 0 < a23 + 43) && a23 <= 138) || ((0 < a23 + 43 && a23 <= 138) && 1 == a4)) || ((1 == a4 && a25 == 12) && a29 <= 274)) || !(10 == \old(a25))) || ((((\exists v_~a23~0_647 : int :: v_~a23~0_647 <= 138 && a23 + 287786 <= 25 * v_~a23~0_647) && 1 == a4) && (\exists v_prenex_31 : int :: ((!(0 == 5 * (v_prenex_31 / 5) % 15) && v_prenex_31 % 5 == 0) && 5 * (v_prenex_31 / 5) % 15 + 246 <= a29) && 5 * (v_prenex_31 / 5) + 128610 < 0)) && a29 <= 274)) || (((11 == a25 && a23 <= 312) && 0 < a23 + 43) && 1 == a4)) || !(312 == \old(a23))) || !(1 == \old(a4))) || (((9 == a25 && a23 <= 138) && !(a4 == 1)) && a29 <= 140)) || ((12 <= a25 && 0 < a23 + 43) && 1 == a4)) || !(130 == \old(a29))) || (12 == a25 && a29 + 580292 <= 0)) || (((a25 <= 11 && a25 % 2 == 0) && !(a25 == 0)) && 1 == a4)) || ((a25 == 12 && !(a4 == 1)) && 130 <= a29)) || (((a23 <= 138 && 10 == a25) && a29 <= 140) && 0 < a23 + 43)) || (((11 == a25 && a23 <= 138) && !(a4 == 1)) && a29 <= 140)) || ((a23 <= 138 && a25 == 12) && !(a4 == 1))) || !(1 == a3)) || (((11 == a25 && (\exists v_~a23~0_647 : int :: v_~a23~0_647 <= 138 && a23 + 287786 <= 25 * v_~a23~0_647)) && 260 <= a29) && !(a4 == 1))) || ((a23 <= 138 && 260 <= a29) && 9 == a25)) || (((!(a25 == 11) && a29 <= 274) && 1 == a4) && 130 <= a29)) || (((11 == a25 && 0 < a23 + 43) && 130 <= a29) && 1 == a4)) || (((a23 <= 312 && 1 == a4) && 0 < a23 + 43) && 9 == a25)) || ((9 == a25 && 1 == a4) && 260 <= a29)) || (10 == a25 && a29 + 28445 <= 0)) || !(15 == a8) [2018-12-01 22:46:05,344 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_fc051550-bf0a-42c6-b03e-8cf28310e949/bin-2019/utaipan/witness.graphml [2018-12-01 22:46:05,344 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 22:46:05,345 INFO L168 Benchmark]: Toolchain (without parser) took 241750.35 ms. Allocated memory was 1.0 GB in the beginning and 3.5 GB in the end (delta: 2.5 GB). Free memory was 940.6 MB in the beginning and 1.0 GB in the end (delta: -106.7 MB). Peak memory consumption was 2.4 GB. Max. memory is 11.5 GB. [2018-12-01 22:46:05,345 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 22:46:05,345 INFO L168 Benchmark]: CACSL2BoogieTranslator took 439.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -163.6 MB). Peak memory consumption was 53.2 MB. Max. memory is 11.5 GB. [2018-12-01 22:46:05,345 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.33 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 22:46:05,346 INFO L168 Benchmark]: Boogie Preprocessor took 48.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-01 22:46:05,346 INFO L168 Benchmark]: RCFGBuilder took 977.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 917.6 MB in the end (delta: 175.7 MB). Peak memory consumption was 175.7 MB. Max. memory is 11.5 GB. [2018-12-01 22:46:05,346 INFO L168 Benchmark]: TraceAbstraction took 240162.62 ms. Allocated memory was 1.2 GB in the beginning and 3.5 GB in the end (delta: 2.3 GB). Free memory was 917.6 MB in the beginning and 1.1 GB in the end (delta: -180.3 MB). Peak memory consumption was 3.3 GB. Max. memory is 11.5 GB. [2018-12-01 22:46:05,346 INFO L168 Benchmark]: Witness Printer took 96.81 ms. Allocated memory is still 3.5 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 50.6 MB). Peak memory consumption was 50.6 MB. Max. memory is 11.5 GB. [2018-12-01 22:46:05,347 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 439.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -163.6 MB). Peak memory consumption was 53.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.33 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 977.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 917.6 MB in the end (delta: 175.7 MB). Peak memory consumption was 175.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 240162.62 ms. Allocated memory was 1.2 GB in the beginning and 3.5 GB in the end (delta: 2.3 GB). Free memory was 917.6 MB in the beginning and 1.1 GB in the end (delta: -180.3 MB). Peak memory consumption was 3.3 GB. Max. memory is 11.5 GB. * Witness Printer took 96.81 ms. Allocated memory is still 3.5 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 50.6 MB). Peak memory consumption was 50.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_647,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_647,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_647,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_647,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_647,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_647,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_647,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_647,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 195]: 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: 1034]: Loop Invariant [2018-12-01 22:46:05,349 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_647,QUANTIFIED] [2018-12-01 22:46:05,349 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_647,QUANTIFIED] [2018-12-01 22:46:05,349 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-12-01 22:46:05,350 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-12-01 22:46:05,350 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-12-01 22:46:05,350 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-12-01 22:46:05,350 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_647,QUANTIFIED] [2018-12-01 22:46:05,350 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_647,QUANTIFIED] [2018-12-01 22:46:05,351 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_647,QUANTIFIED] [2018-12-01 22:46:05,351 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_647,QUANTIFIED] [2018-12-01 22:46:05,351 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-12-01 22:46:05,351 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-12-01 22:46:05,351 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-12-01 22:46:05,351 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-12-01 22:46:05,352 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_647,QUANTIFIED] [2018-12-01 22:46:05,352 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_647,QUANTIFIED] Derived loop invariant: ((((((((((((((((((((((((((12 <= a25 && 0 < a23 + 43) && a23 <= 138) || ((0 < a23 + 43 && a23 <= 138) && 1 == a4)) || ((1 == a4 && a25 == 12) && a29 <= 274)) || !(10 == \old(a25))) || ((((\exists v_~a23~0_647 : int :: v_~a23~0_647 <= 138 && a23 + 287786 <= 25 * v_~a23~0_647) && 1 == a4) && (\exists v_prenex_31 : int :: ((!(0 == 5 * (v_prenex_31 / 5) % 15) && v_prenex_31 % 5 == 0) && 5 * (v_prenex_31 / 5) % 15 + 246 <= a29) && 5 * (v_prenex_31 / 5) + 128610 < 0)) && a29 <= 274)) || (((11 == a25 && a23 <= 312) && 0 < a23 + 43) && 1 == a4)) || !(312 == \old(a23))) || !(1 == \old(a4))) || (((9 == a25 && a23 <= 138) && !(a4 == 1)) && a29 <= 140)) || ((12 <= a25 && 0 < a23 + 43) && 1 == a4)) || !(130 == \old(a29))) || (12 == a25 && a29 + 580292 <= 0)) || (((a25 <= 11 && a25 % 2 == 0) && !(a25 == 0)) && 1 == a4)) || ((a25 == 12 && !(a4 == 1)) && 130 <= a29)) || (((a23 <= 138 && 10 == a25) && a29 <= 140) && 0 < a23 + 43)) || (((11 == a25 && a23 <= 138) && !(a4 == 1)) && a29 <= 140)) || ((a23 <= 138 && a25 == 12) && !(a4 == 1))) || !(1 == a3)) || (((11 == a25 && (\exists v_~a23~0_647 : int :: v_~a23~0_647 <= 138 && a23 + 287786 <= 25 * v_~a23~0_647)) && 260 <= a29) && !(a4 == 1))) || ((a23 <= 138 && 260 <= a29) && 9 == a25)) || (((!(a25 == 11) && a29 <= 274) && 1 == a4) && 130 <= a29)) || (((11 == a25 && 0 < a23 + 43) && 130 <= a29) && 1 == a4)) || (((a23 <= 312 && 1 == a4) && 0 < a23 + 43) && 9 == a25)) || ((9 == a25 && 1 == a4) && 260 <= a29)) || (10 == a25 && a29 + 28445 <= 0)) || !(15 == a8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 292 locations, 1 error locations. SAFE Result, 240.1s OverallTime, 21 OverallIterations, 7 TraceHistogramMax, 188.7s AutomataDifference, 0.0s DeadEndRemovalTime, 22.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 2730 SDtfs, 24717 SDslu, 3522 SDs, 0 SdLazy, 48077 SolverSat, 8689 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 138.5s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 14433 GetRequests, 13892 SyntacticMatches, 24 SemanticMatches, 517 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 7590 ImplicationChecksByTransitivity, 24.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29347occurred in iteration=20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 6.2s AbstIntTime, 17 AbstIntIterations, 4 AbstIntStrong, 0.9978344573438398 AbsIntWeakeningRatio, 0.0966183574879227 AbsIntAvgWeakeningVarsNumRemoved, 18.13768115942029 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 3.5s AutomataMinimizationTime, 21 MinimizatonAttempts, 6545 StatesRemovedByMinimization, 19 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 2252 PreInvPairs, 2816 NumberOfFragments, 1669 HoareAnnotationTreeSize, 2252 FomulaSimplifications, 544435 FormulaSimplificationTreeSizeReduction, 6.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 146558 FormulaSimplificationTreeSizeReductionInter, 16.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 13.1s InterpolantComputationTime, 14685 NumberOfCodeBlocks, 14685 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 20905 ConstructedInterpolants, 78 QuantifiedInterpolants, 39367816 SizeOfPredicates, 38 NumberOfNonLiveVariables, 9839 ConjunctsInSsa, 107 ConjunctsInUnsatCore, 47 InterpolantComputations, 8 PerfectInterpolantSequences, 29614/31269 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...