./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label34_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_477bd162-bd8f-4d8d-9592-a8a7ddb06468/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_477bd162-bd8f-4d8d-9592-a8a7ddb06468/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_477bd162-bd8f-4d8d-9592-a8a7ddb06468/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_477bd162-bd8f-4d8d-9592-a8a7ddb06468/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label34_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_477bd162-bd8f-4d8d-9592-a8a7ddb06468/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_477bd162-bd8f-4d8d-9592-a8a7ddb06468/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 2cbba2f347a5f731d69761cd1db09e4f61b27a47 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 14:01:39,553 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 14:01:39,554 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 14:01:39,560 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 14:01:39,560 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 14:01:39,561 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 14:01:39,562 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 14:01:39,563 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 14:01:39,564 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 14:01:39,564 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 14:01:39,565 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 14:01:39,565 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 14:01:39,566 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 14:01:39,566 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 14:01:39,567 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 14:01:39,567 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 14:01:39,568 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 14:01:39,568 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 14:01:39,570 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 14:01:39,570 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 14:01:39,571 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 14:01:39,572 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 14:01:39,573 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 14:01:39,573 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 14:01:39,573 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 14:01:39,574 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 14:01:39,575 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 14:01:39,575 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 14:01:39,575 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 14:01:39,576 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 14:01:39,576 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 14:01:39,576 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 14:01:39,577 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 14:01:39,577 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 14:01:39,577 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 14:01:39,578 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 14:01:39,578 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_477bd162-bd8f-4d8d-9592-a8a7ddb06468/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 14:01:39,585 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 14:01:39,585 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 14:01:39,586 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 14:01:39,586 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 14:01:39,586 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 14:01:39,586 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 14:01:39,586 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 14:01:39,586 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 14:01:39,587 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 14:01:39,587 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 14:01:39,587 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 14:01:39,587 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 14:01:39,587 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 14:01:39,588 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 14:01:39,588 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 14:01:39,588 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 14:01:39,588 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 14:01:39,588 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 14:01:39,588 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 14:01:39,588 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 14:01:39,589 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 14:01:39,589 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 14:01:39,589 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 14:01:39,589 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 14:01:39,589 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 14:01:39,589 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 14:01:39,589 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 14:01:39,589 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 14:01:39,590 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 14:01:39,590 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 14:01:39,590 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 14:01:39,590 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 14:01:39,590 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 14:01:39,590 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 14:01:39,590 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 14:01:39,590 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 14:01:39,591 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 14:01:39,591 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_477bd162-bd8f-4d8d-9592-a8a7ddb06468/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 -> 2cbba2f347a5f731d69761cd1db09e4f61b27a47 [2018-11-18 14:01:39,614 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 14:01:39,624 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 14:01:39,626 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 14:01:39,628 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 14:01:39,628 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 14:01:39,628 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_477bd162-bd8f-4d8d-9592-a8a7ddb06468/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem16_label34_true-unreach-call.c [2018-11-18 14:01:39,674 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_477bd162-bd8f-4d8d-9592-a8a7ddb06468/bin-2019/utaipan/data/a14ad7704/94f3618469514fc9bb01eda20e1f814c/FLAG1396076bc [2018-11-18 14:01:40,177 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 14:01:40,177 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_477bd162-bd8f-4d8d-9592-a8a7ddb06468/sv-benchmarks/c/eca-rers2012/Problem16_label34_true-unreach-call.c [2018-11-18 14:01:40,187 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_477bd162-bd8f-4d8d-9592-a8a7ddb06468/bin-2019/utaipan/data/a14ad7704/94f3618469514fc9bb01eda20e1f814c/FLAG1396076bc [2018-11-18 14:01:40,646 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_477bd162-bd8f-4d8d-9592-a8a7ddb06468/bin-2019/utaipan/data/a14ad7704/94f3618469514fc9bb01eda20e1f814c [2018-11-18 14:01:40,648 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 14:01:40,649 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 14:01:40,649 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 14:01:40,649 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 14:01:40,651 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 14:01:40,652 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:01:40" (1/1) ... [2018-11-18 14:01:40,654 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@641f4192 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:01:40, skipping insertion in model container [2018-11-18 14:01:40,654 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:01:40" (1/1) ... [2018-11-18 14:01:40,660 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 14:01:40,709 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 14:01:41,099 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:01:41,102 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 14:01:41,251 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:01:41,261 INFO L195 MainTranslator]: Completed translation [2018-11-18 14:01:41,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:01:41 WrapperNode [2018-11-18 14:01:41,261 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 14:01:41,262 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 14:01:41,262 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 14:01:41,262 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 14:01:41,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:01:41" (1/1) ... [2018-11-18 14:01:41,359 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:01:41" (1/1) ... [2018-11-18 14:01:41,365 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 14:01:41,366 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 14:01:41,366 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 14:01:41,366 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 14:01:41,374 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:01:41" (1/1) ... [2018-11-18 14:01:41,374 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:01:41" (1/1) ... [2018-11-18 14:01:41,379 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:01:41" (1/1) ... [2018-11-18 14:01:41,379 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:01:41" (1/1) ... [2018-11-18 14:01:41,414 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:01:41" (1/1) ... [2018-11-18 14:01:41,426 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:01:41" (1/1) ... [2018-11-18 14:01:41,435 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:01:41" (1/1) ... [2018-11-18 14:01:41,447 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 14:01:41,448 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 14:01:41,448 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 14:01:41,448 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 14:01:41,449 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:01:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_477bd162-bd8f-4d8d-9592-a8a7ddb06468/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 14:01:41,493 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 14:01:41,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 14:01:41,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 14:01:41,494 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-18 14:01:41,494 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-18 14:01:41,494 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 14:01:41,494 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 14:01:41,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 14:01:41,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 14:01:41,494 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 14:01:41,494 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 14:01:43,617 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 14:01:43,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:01:43 BoogieIcfgContainer [2018-11-18 14:01:43,618 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 14:01:43,618 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 14:01:43,619 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 14:01:43,621 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 14:01:43,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 02:01:40" (1/3) ... [2018-11-18 14:01:43,622 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bb0e550 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:01:43, skipping insertion in model container [2018-11-18 14:01:43,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:01:41" (2/3) ... [2018-11-18 14:01:43,623 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bb0e550 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:01:43, skipping insertion in model container [2018-11-18 14:01:43,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:01:43" (3/3) ... [2018-11-18 14:01:43,624 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label34_true-unreach-call.c [2018-11-18 14:01:43,632 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 14:01:43,638 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 14:01:43,651 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 14:01:43,680 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 14:01:43,680 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 14:01:43,681 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 14:01:43,681 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 14:01:43,681 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 14:01:43,681 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 14:01:43,681 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 14:01:43,681 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 14:01:43,702 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states. [2018-11-18 14:01:43,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-18 14:01:43,708 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:01:43,709 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:01:43,711 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:01:43,716 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:01:43,716 INFO L82 PathProgramCache]: Analyzing trace with hash 1701003787, now seen corresponding path program 1 times [2018-11-18 14:01:43,718 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:01:43,759 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:01:43,760 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:01:43,760 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:01:43,760 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:01:43,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:01:43,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:01:43,920 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:01:43,921 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 14:01:43,921 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:01:43,925 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 14:01:43,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 14:01:43,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 14:01:43,939 INFO L87 Difference]: Start difference. First operand 410 states. Second operand 3 states. [2018-11-18 14:01:45,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:01:45,285 INFO L93 Difference]: Finished difference Result 1156 states and 2144 transitions. [2018-11-18 14:01:45,286 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 14:01:45,287 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 41 [2018-11-18 14:01:45,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:01:45,303 INFO L225 Difference]: With dead ends: 1156 [2018-11-18 14:01:45,303 INFO L226 Difference]: Without dead ends: 744 [2018-11-18 14:01:45,309 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 14:01:45,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2018-11-18 14:01:45,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 744. [2018-11-18 14:01:45,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2018-11-18 14:01:45,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1355 transitions. [2018-11-18 14:01:45,372 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1355 transitions. Word has length 41 [2018-11-18 14:01:45,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:01:45,372 INFO L480 AbstractCegarLoop]: Abstraction has 744 states and 1355 transitions. [2018-11-18 14:01:45,372 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 14:01:45,373 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1355 transitions. [2018-11-18 14:01:45,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-18 14:01:45,376 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:01:45,377 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:01:45,377 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:01:45,377 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:01:45,377 INFO L82 PathProgramCache]: Analyzing trace with hash -1000766724, now seen corresponding path program 1 times [2018-11-18 14:01:45,377 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:01:45,378 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:01:45,378 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:01:45,378 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:01:45,379 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:01:45,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:01:45,504 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:01:45,504 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:01:45,504 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 14:01:45,504 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:01:45,506 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 14:01:45,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 14:01:45,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 14:01:45,507 INFO L87 Difference]: Start difference. First operand 744 states and 1355 transitions. Second operand 5 states. [2018-11-18 14:01:47,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:01:47,006 INFO L93 Difference]: Finished difference Result 2194 states and 4083 transitions. [2018-11-18 14:01:47,006 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 14:01:47,006 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 111 [2018-11-18 14:01:47,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:01:47,013 INFO L225 Difference]: With dead ends: 2194 [2018-11-18 14:01:47,013 INFO L226 Difference]: Without dead ends: 1456 [2018-11-18 14:01:47,015 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-18 14:01:47,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1456 states. [2018-11-18 14:01:47,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1456 to 1436. [2018-11-18 14:01:47,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1436 states. [2018-11-18 14:01:47,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1436 states to 1436 states and 2550 transitions. [2018-11-18 14:01:47,056 INFO L78 Accepts]: Start accepts. Automaton has 1436 states and 2550 transitions. Word has length 111 [2018-11-18 14:01:47,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:01:47,057 INFO L480 AbstractCegarLoop]: Abstraction has 1436 states and 2550 transitions. [2018-11-18 14:01:47,057 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 14:01:47,057 INFO L276 IsEmpty]: Start isEmpty. Operand 1436 states and 2550 transitions. [2018-11-18 14:01:47,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-11-18 14:01:47,060 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:01:47,060 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:01:47,061 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:01:47,061 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:01:47,061 INFO L82 PathProgramCache]: Analyzing trace with hash 1676864445, now seen corresponding path program 1 times [2018-11-18 14:01:47,061 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:01:47,062 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:01:47,062 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:01:47,062 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:01:47,062 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:01:47,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:01:47,193 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:01:47,193 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:01:47,193 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 14:01:47,193 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:01:47,194 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 14:01:47,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 14:01:47,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 14:01:47,195 INFO L87 Difference]: Start difference. First operand 1436 states and 2550 transitions. Second operand 6 states. [2018-11-18 14:01:49,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:01:49,161 INFO L93 Difference]: Finished difference Result 3936 states and 7024 transitions. [2018-11-18 14:01:49,161 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 14:01:49,161 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 140 [2018-11-18 14:01:49,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:01:49,174 INFO L225 Difference]: With dead ends: 3936 [2018-11-18 14:01:49,175 INFO L226 Difference]: Without dead ends: 2506 [2018-11-18 14:01:49,181 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 14:01:49,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2506 states. [2018-11-18 14:01:49,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2506 to 2479. [2018-11-18 14:01:49,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2479 states. [2018-11-18 14:01:49,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2479 states to 2479 states and 3996 transitions. [2018-11-18 14:01:49,245 INFO L78 Accepts]: Start accepts. Automaton has 2479 states and 3996 transitions. Word has length 140 [2018-11-18 14:01:49,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:01:49,245 INFO L480 AbstractCegarLoop]: Abstraction has 2479 states and 3996 transitions. [2018-11-18 14:01:49,245 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 14:01:49,246 INFO L276 IsEmpty]: Start isEmpty. Operand 2479 states and 3996 transitions. [2018-11-18 14:01:49,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-18 14:01:49,248 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:01:49,248 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:01:49,248 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:01:49,249 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:01:49,249 INFO L82 PathProgramCache]: Analyzing trace with hash 731010881, now seen corresponding path program 1 times [2018-11-18 14:01:49,249 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:01:49,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:01:49,250 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:01:49,250 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:01:49,250 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:01:49,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:01:49,368 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:01:49,368 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:01:49,368 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 14:01:49,368 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:01:49,368 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 14:01:49,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 14:01:49,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 14:01:49,369 INFO L87 Difference]: Start difference. First operand 2479 states and 3996 transitions. Second operand 6 states. [2018-11-18 14:01:50,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:01:50,502 INFO L93 Difference]: Finished difference Result 6050 states and 9896 transitions. [2018-11-18 14:01:50,502 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 14:01:50,502 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 158 [2018-11-18 14:01:50,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:01:50,515 INFO L225 Difference]: With dead ends: 6050 [2018-11-18 14:01:50,515 INFO L226 Difference]: Without dead ends: 3577 [2018-11-18 14:01:50,522 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 14:01:50,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3577 states. [2018-11-18 14:01:50,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3577 to 3545. [2018-11-18 14:01:50,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3545 states. [2018-11-18 14:01:50,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3545 states to 3545 states and 4965 transitions. [2018-11-18 14:01:50,599 INFO L78 Accepts]: Start accepts. Automaton has 3545 states and 4965 transitions. Word has length 158 [2018-11-18 14:01:50,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:01:50,600 INFO L480 AbstractCegarLoop]: Abstraction has 3545 states and 4965 transitions. [2018-11-18 14:01:50,600 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 14:01:50,600 INFO L276 IsEmpty]: Start isEmpty. Operand 3545 states and 4965 transitions. [2018-11-18 14:01:50,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2018-11-18 14:01:50,603 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:01:50,604 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:01:50,604 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:01:50,604 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:01:50,604 INFO L82 PathProgramCache]: Analyzing trace with hash 2053720421, now seen corresponding path program 1 times [2018-11-18 14:01:50,604 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:01:50,605 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:01:50,605 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:01:50,605 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:01:50,606 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:01:50,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:01:50,761 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 101 proven. 32 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 14:01:50,761 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:01:50,761 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:01:50,762 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 242 with the following transitions: [2018-11-18 14:01:50,764 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [407], [409], [412], [420], [428], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 14:01:50,801 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:01:50,801 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:01:51,112 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 14:01:51,113 INFO L272 AbstractInterpreter]: Visited 135 different actions 135 times. Never merged. Never widened. Performed 1259 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1259 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 24 variables. [2018-11-18 14:01:51,122 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:01:51,122 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 14:01:51,519 INFO L227 lantSequenceWeakener]: Weakened 232 states. On average, predicates are now at 77.76% of their original sizes. [2018-11-18 14:01:51,520 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 14:01:51,570 INFO L415 sIntCurrentIteration]: We unified 240 AI predicates to 240 [2018-11-18 14:01:51,570 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 14:01:51,570 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 14:01:51,571 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2018-11-18 14:01:51,571 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:01:51,571 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 14:01:51,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 14:01:51,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 14:01:51,572 INFO L87 Difference]: Start difference. First operand 3545 states and 4965 transitions. Second operand 6 states. [2018-11-18 14:02:48,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:02:48,061 INFO L93 Difference]: Finished difference Result 7424 states and 10344 transitions. [2018-11-18 14:02:48,062 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 14:02:48,062 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 241 [2018-11-18 14:02:48,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:02:48,070 INFO L225 Difference]: With dead ends: 7424 [2018-11-18 14:02:48,070 INFO L226 Difference]: Without dead ends: 3885 [2018-11-18 14:02:48,077 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 241 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-18 14:02:48,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3885 states. [2018-11-18 14:02:48,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3885 to 3883. [2018-11-18 14:02:48,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3883 states. [2018-11-18 14:02:48,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3883 states to 3883 states and 5311 transitions. [2018-11-18 14:02:48,149 INFO L78 Accepts]: Start accepts. Automaton has 3883 states and 5311 transitions. Word has length 241 [2018-11-18 14:02:48,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:02:48,149 INFO L480 AbstractCegarLoop]: Abstraction has 3883 states and 5311 transitions. [2018-11-18 14:02:48,150 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 14:02:48,150 INFO L276 IsEmpty]: Start isEmpty. Operand 3883 states and 5311 transitions. [2018-11-18 14:02:48,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2018-11-18 14:02:48,155 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:02:48,155 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2018-11-18 14:02:48,155 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:02:48,156 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:02:48,156 INFO L82 PathProgramCache]: Analyzing trace with hash -822869790, now seen corresponding path program 1 times [2018-11-18 14:02:48,156 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:02:48,157 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:02:48,157 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:02:48,157 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:02:48,157 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:02:48,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:02:48,436 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 174 proven. 115 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-11-18 14:02:48,436 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:02:48,436 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:02:48,436 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 334 with the following transitions: [2018-11-18 14:02:48,437 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [407], [409], [412], [420], [428], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [760], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 14:02:48,440 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:02:48,440 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:02:48,701 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 14:02:48,702 INFO L272 AbstractInterpreter]: Visited 139 different actions 404 times. Merged at 5 different actions 9 times. Never widened. Performed 4088 root evaluator evaluations with a maximum evaluation depth of 7. Performed 4088 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-18 14:02:48,705 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:02:48,706 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 14:02:49,004 INFO L227 lantSequenceWeakener]: Weakened 330 states. On average, predicates are now at 80.35% of their original sizes. [2018-11-18 14:02:49,004 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 14:02:49,069 INFO L415 sIntCurrentIteration]: We unified 332 AI predicates to 332 [2018-11-18 14:02:49,070 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 14:02:49,070 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 14:02:49,070 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [7] total 15 [2018-11-18 14:02:49,070 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:02:49,070 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 14:02:49,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 14:02:49,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 14:02:49,071 INFO L87 Difference]: Start difference. First operand 3883 states and 5311 transitions. Second operand 10 states. [2018-11-18 14:04:19,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:04:19,479 INFO L93 Difference]: Finished difference Result 9062 states and 12453 transitions. [2018-11-18 14:04:19,479 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-18 14:04:19,479 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 333 [2018-11-18 14:04:19,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:04:19,492 INFO L225 Difference]: With dead ends: 9062 [2018-11-18 14:04:19,492 INFO L226 Difference]: Without dead ends: 5523 [2018-11-18 14:04:19,500 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 342 GetRequests, 324 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-18 14:04:19,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5523 states. [2018-11-18 14:04:19,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5523 to 5486. [2018-11-18 14:04:19,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5486 states. [2018-11-18 14:04:19,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5486 states to 5486 states and 7100 transitions. [2018-11-18 14:04:19,575 INFO L78 Accepts]: Start accepts. Automaton has 5486 states and 7100 transitions. Word has length 333 [2018-11-18 14:04:19,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:04:19,576 INFO L480 AbstractCegarLoop]: Abstraction has 5486 states and 7100 transitions. [2018-11-18 14:04:19,576 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 14:04:19,576 INFO L276 IsEmpty]: Start isEmpty. Operand 5486 states and 7100 transitions. [2018-11-18 14:04:19,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 482 [2018-11-18 14:04:19,583 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:04:19,583 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:04:19,583 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:04:19,583 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:04:19,584 INFO L82 PathProgramCache]: Analyzing trace with hash 201865034, now seen corresponding path program 1 times [2018-11-18 14:04:19,584 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:04:19,584 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:04:19,584 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:04:19,584 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:04:19,584 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:04:19,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:04:19,760 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 208 proven. 32 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2018-11-18 14:04:19,760 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:04:19,760 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:04:19,760 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 482 with the following transitions: [2018-11-18 14:04:19,761 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [407], [409], [412], [420], [428], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 14:04:19,767 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:04:19,767 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:04:20,064 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 14:04:20,064 INFO L272 AbstractInterpreter]: Visited 250 different actions 744 times. Merged at 8 different actions 18 times. Never widened. Performed 8368 root evaluator evaluations with a maximum evaluation depth of 18. Performed 8368 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 4 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-18 14:04:20,065 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:04:20,066 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 14:04:20,066 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:04:20,066 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_477bd162-bd8f-4d8d-9592-a8a7ddb06468/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 14:04:20,075 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:04:20,075 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 14:04:20,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:04:20,184 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:04:20,351 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2018-11-18 14:04:20,351 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 14:04:20,529 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2018-11-18 14:04:20,555 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 14:04:20,555 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5] total 7 [2018-11-18 14:04:20,555 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:04:20,556 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 14:04:20,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 14:04:20,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-18 14:04:20,556 INFO L87 Difference]: Start difference. First operand 5486 states and 7100 transitions. Second operand 3 states. [2018-11-18 14:04:21,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:04:21,488 INFO L93 Difference]: Finished difference Result 10628 states and 13855 transitions. [2018-11-18 14:04:21,488 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 14:04:21,488 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 481 [2018-11-18 14:04:21,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:04:21,502 INFO L225 Difference]: With dead ends: 10628 [2018-11-18 14:04:21,502 INFO L226 Difference]: Without dead ends: 5486 [2018-11-18 14:04:21,516 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 968 GetRequests, 963 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-18 14:04:21,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5486 states. [2018-11-18 14:04:21,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5486 to 5486. [2018-11-18 14:04:21,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5486 states. [2018-11-18 14:04:21,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5486 states to 5486 states and 6798 transitions. [2018-11-18 14:04:21,609 INFO L78 Accepts]: Start accepts. Automaton has 5486 states and 6798 transitions. Word has length 481 [2018-11-18 14:04:21,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:04:21,610 INFO L480 AbstractCegarLoop]: Abstraction has 5486 states and 6798 transitions. [2018-11-18 14:04:21,610 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 14:04:21,610 INFO L276 IsEmpty]: Start isEmpty. Operand 5486 states and 6798 transitions. [2018-11-18 14:04:21,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 506 [2018-11-18 14:04:21,621 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:04:21,622 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 14:04:21,622 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:04:21,622 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:04:21,622 INFO L82 PathProgramCache]: Analyzing trace with hash -1044948299, now seen corresponding path program 1 times [2018-11-18 14:04:21,622 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:04:21,623 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:04:21,623 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:04:21,623 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:04:21,623 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:04:21,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:04:22,376 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 58 proven. 229 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 14:04:22,377 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:04:22,377 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:04:22,377 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 506 with the following transitions: [2018-11-18 14:04:22,377 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [407], [409], [412], [420], [428], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 14:04:22,380 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:04:22,380 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:04:22,612 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 14:04:22,612 INFO L272 AbstractInterpreter]: Visited 248 different actions 737 times. Merged at 7 different actions 15 times. Never widened. Performed 8249 root evaluator evaluations with a maximum evaluation depth of 8. Performed 8249 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Found 3 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-18 14:04:22,621 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:04:22,622 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 14:04:22,955 INFO L227 lantSequenceWeakener]: Weakened 502 states. On average, predicates are now at 80.17% of their original sizes. [2018-11-18 14:04:22,955 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 14:04:22,996 INFO L415 sIntCurrentIteration]: We unified 504 AI predicates to 504 [2018-11-18 14:04:22,996 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 14:04:22,996 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 14:04:22,996 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [5] total 13 [2018-11-18 14:04:22,996 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:04:22,997 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 14:04:22,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 14:04:22,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 14:04:22,997 INFO L87 Difference]: Start difference. First operand 5486 states and 6798 transitions. Second operand 10 states. [2018-11-18 14:06:14,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:06:14,946 INFO L93 Difference]: Finished difference Result 12751 states and 15847 transitions. [2018-11-18 14:06:14,946 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-18 14:06:14,946 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 505 [2018-11-18 14:06:14,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:06:14,960 INFO L225 Difference]: With dead ends: 12751 [2018-11-18 14:06:14,960 INFO L226 Difference]: Without dead ends: 7609 [2018-11-18 14:06:14,969 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 514 GetRequests, 496 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-18 14:06:14,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7609 states. [2018-11-18 14:06:15,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7609 to 7589. [2018-11-18 14:06:15,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7589 states. [2018-11-18 14:06:15,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7589 states to 7589 states and 9110 transitions. [2018-11-18 14:06:15,042 INFO L78 Accepts]: Start accepts. Automaton has 7589 states and 9110 transitions. Word has length 505 [2018-11-18 14:06:15,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:06:15,043 INFO L480 AbstractCegarLoop]: Abstraction has 7589 states and 9110 transitions. [2018-11-18 14:06:15,043 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 14:06:15,043 INFO L276 IsEmpty]: Start isEmpty. Operand 7589 states and 9110 transitions. [2018-11-18 14:06:15,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 645 [2018-11-18 14:06:15,177 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:06:15,178 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:06:15,178 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:06:15,179 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:06:15,179 INFO L82 PathProgramCache]: Analyzing trace with hash 380658726, now seen corresponding path program 1 times [2018-11-18 14:06:15,179 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:06:15,179 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:06:15,180 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:06:15,180 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:06:15,180 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:06:15,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:06:15,600 INFO L134 CoverageAnalysis]: Checked inductivity of 848 backedges. 379 proven. 115 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2018-11-18 14:06:15,600 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:06:15,600 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:06:15,601 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 645 with the following transitions: [2018-11-18 14:06:15,601 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [407], [409], [412], [420], [428], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [860], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 14:06:15,604 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:06:15,604 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:06:16,085 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 14:06:16,085 INFO L272 AbstractInterpreter]: Visited 251 different actions 1003 times. Merged at 9 different actions 34 times. Widened at 1 different actions 1 times. Performed 11688 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11688 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 7 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-18 14:06:16,090 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:06:16,090 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 14:06:16,090 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:06:16,090 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_477bd162-bd8f-4d8d-9592-a8a7ddb06468/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 14:06:16,096 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:06:16,096 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 14:06:16,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:06:16,185 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:06:16,368 INFO L134 CoverageAnalysis]: Checked inductivity of 848 backedges. 684 proven. 2 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2018-11-18 14:06:16,369 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 14:06:16,570 INFO L134 CoverageAnalysis]: Checked inductivity of 848 backedges. 379 proven. 115 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2018-11-18 14:06:16,586 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 14:06:16,586 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-18 14:06:16,586 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 14:06:16,587 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 14:06:16,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 14:06:16,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-11-18 14:06:16,588 INFO L87 Difference]: Start difference. First operand 7589 states and 9110 transitions. Second operand 9 states. [2018-11-18 14:06:20,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:06:20,970 INFO L93 Difference]: Finished difference Result 17426 states and 21989 transitions. [2018-11-18 14:06:20,971 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-18 14:06:20,971 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 644 [2018-11-18 14:06:20,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:06:21,003 INFO L225 Difference]: With dead ends: 17426 [2018-11-18 14:06:21,003 INFO L226 Difference]: Without dead ends: 10181 [2018-11-18 14:06:21,026 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1309 GetRequests, 1291 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2018-11-18 14:06:21,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10181 states. [2018-11-18 14:06:21,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10181 to 10157. [2018-11-18 14:06:21,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10157 states. [2018-11-18 14:06:21,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10157 states to 10157 states and 12394 transitions. [2018-11-18 14:06:21,190 INFO L78 Accepts]: Start accepts. Automaton has 10157 states and 12394 transitions. Word has length 644 [2018-11-18 14:06:21,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:06:21,190 INFO L480 AbstractCegarLoop]: Abstraction has 10157 states and 12394 transitions. [2018-11-18 14:06:21,190 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 14:06:21,190 INFO L276 IsEmpty]: Start isEmpty. Operand 10157 states and 12394 transitions. [2018-11-18 14:06:21,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 898 [2018-11-18 14:06:21,227 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:06:21,227 INFO L375 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:06:21,228 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:06:21,228 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:06:21,228 INFO L82 PathProgramCache]: Analyzing trace with hash -1081595098, now seen corresponding path program 1 times [2018-11-18 14:06:21,228 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:06:21,229 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:06:21,229 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:06:21,229 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:06:21,229 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:06:21,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:06:22,380 INFO L134 CoverageAnalysis]: Checked inductivity of 1417 backedges. 625 proven. 504 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2018-11-18 14:06:22,381 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:06:22,381 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:06:22,381 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 898 with the following transitions: [2018-11-18 14:06:22,381 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [407], [409], [412], [420], [428], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1385], [1389], [1392], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 14:06:22,384 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:06:22,384 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:06:22,621 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 14:06:22,621 INFO L272 AbstractInterpreter]: Visited 261 different actions 770 times. Merged at 5 different actions 9 times. Never widened. Performed 8945 root evaluator evaluations with a maximum evaluation depth of 9. Performed 8945 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-18 14:06:22,626 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:06:22,626 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 14:06:23,041 INFO L227 lantSequenceWeakener]: Weakened 894 states. On average, predicates are now at 80.15% of their original sizes. [2018-11-18 14:06:23,041 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 14:06:23,088 INFO L415 sIntCurrentIteration]: We unified 896 AI predicates to 896 [2018-11-18 14:06:23,088 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 14:06:23,088 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 14:06:23,089 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [8] total 15 [2018-11-18 14:06:23,089 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:06:23,089 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 14:06:23,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 14:06:23,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 14:06:23,089 INFO L87 Difference]: Start difference. First operand 10157 states and 12394 transitions. Second operand 9 states. [2018-11-18 14:08:00,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:08:00,853 INFO L93 Difference]: Finished difference Result 19988 states and 24512 transitions. [2018-11-18 14:08:00,853 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-18 14:08:00,853 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 897 [2018-11-18 14:08:00,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:08:00,875 INFO L225 Difference]: With dead ends: 19988 [2018-11-18 14:08:00,876 INFO L226 Difference]: Without dead ends: 10175 [2018-11-18 14:08:00,890 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 903 GetRequests, 889 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-11-18 14:08:00,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10175 states. [2018-11-18 14:08:00,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10175 to 10161. [2018-11-18 14:08:00,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10161 states. [2018-11-18 14:08:00,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10161 states to 10161 states and 12374 transitions. [2018-11-18 14:08:00,998 INFO L78 Accepts]: Start accepts. Automaton has 10161 states and 12374 transitions. Word has length 897 [2018-11-18 14:08:00,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:08:00,999 INFO L480 AbstractCegarLoop]: Abstraction has 10161 states and 12374 transitions. [2018-11-18 14:08:00,999 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 14:08:00,999 INFO L276 IsEmpty]: Start isEmpty. Operand 10161 states and 12374 transitions. [2018-11-18 14:08:01,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 933 [2018-11-18 14:08:01,011 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:08:01,012 INFO L375 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:08:01,012 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:08:01,012 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:08:01,012 INFO L82 PathProgramCache]: Analyzing trace with hash -2129344658, now seen corresponding path program 1 times [2018-11-18 14:08:01,012 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:08:01,013 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:08:01,013 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:08:01,013 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:08:01,013 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:08:01,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:08:01,561 INFO L134 CoverageAnalysis]: Checked inductivity of 1956 backedges. 792 proven. 548 refuted. 0 times theorem prover too weak. 616 trivial. 0 not checked. [2018-11-18 14:08:01,562 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:08:01,562 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:08:01,562 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 933 with the following transitions: [2018-11-18 14:08:01,562 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [407], [409], [412], [420], [428], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1044], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 14:08:01,565 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:08:01,565 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:08:01,975 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 14:08:01,975 INFO L272 AbstractInterpreter]: Visited 253 different actions 1018 times. Merged at 11 different actions 41 times. Never widened. Performed 11812 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11812 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 12 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-18 14:08:01,978 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:08:01,978 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 14:08:01,978 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:08:01,978 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_477bd162-bd8f-4d8d-9592-a8a7ddb06468/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 14:08:01,984 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:08:01,984 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 14:08:02,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:08:02,095 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:08:02,382 INFO L134 CoverageAnalysis]: Checked inductivity of 1956 backedges. 808 proven. 32 refuted. 0 times theorem prover too weak. 1116 trivial. 0 not checked. [2018-11-18 14:08:02,382 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 14:08:02,841 INFO L134 CoverageAnalysis]: Checked inductivity of 1956 backedges. 838 proven. 2 refuted. 0 times theorem prover too weak. 1116 trivial. 0 not checked. [2018-11-18 14:08:02,866 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 14:08:02,866 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 12 [2018-11-18 14:08:02,866 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 14:08:02,867 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 14:08:02,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 14:08:02,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2018-11-18 14:08:02,868 INFO L87 Difference]: Start difference. First operand 10161 states and 12374 transitions. Second operand 10 states. [2018-11-18 14:08:09,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:08:09,422 INFO L93 Difference]: Finished difference Result 29994 states and 37265 transitions. [2018-11-18 14:08:09,422 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-11-18 14:08:09,423 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 932 [2018-11-18 14:08:09,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:08:09,478 INFO L225 Difference]: With dead ends: 29994 [2018-11-18 14:08:09,479 INFO L226 Difference]: Without dead ends: 18369 [2018-11-18 14:08:09,519 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1911 GetRequests, 1878 SyntacticMatches, 4 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=215, Invalid=715, Unknown=0, NotChecked=0, Total=930 [2018-11-18 14:08:09,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18369 states. [2018-11-18 14:08:09,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18369 to 15591. [2018-11-18 14:08:09,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15591 states. [2018-11-18 14:08:09,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15591 states to 15591 states and 18028 transitions. [2018-11-18 14:08:09,771 INFO L78 Accepts]: Start accepts. Automaton has 15591 states and 18028 transitions. Word has length 932 [2018-11-18 14:08:09,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:08:09,772 INFO L480 AbstractCegarLoop]: Abstraction has 15591 states and 18028 transitions. [2018-11-18 14:08:09,772 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 14:08:09,772 INFO L276 IsEmpty]: Start isEmpty. Operand 15591 states and 18028 transitions. [2018-11-18 14:08:09,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 970 [2018-11-18 14:08:09,793 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:08:09,794 INFO L375 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:08:09,794 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:08:09,794 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:08:09,794 INFO L82 PathProgramCache]: Analyzing trace with hash -280627710, now seen corresponding path program 1 times [2018-11-18 14:08:09,795 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:08:09,795 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:08:09,795 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:08:09,796 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:08:09,796 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:08:09,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:08:10,422 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 865 proven. 2 refuted. 0 times theorem prover too weak. 903 trivial. 0 not checked. [2018-11-18 14:08:10,422 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:08:10,422 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:08:10,422 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 970 with the following transitions: [2018-11-18 14:08:10,422 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [407], [409], [412], [420], [428], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1044], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1188], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 14:08:10,425 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:08:10,425 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:08:11,043 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 14:08:11,043 INFO L272 AbstractInterpreter]: Visited 252 different actions 1013 times. Merged at 10 different actions 40 times. Widened at 1 different actions 1 times. Performed 11798 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11798 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 10 fixpoints after 4 different actions. Largest state had 24 variables. [2018-11-18 14:08:11,044 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:08:11,044 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 14:08:11,045 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:08:11,045 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_477bd162-bd8f-4d8d-9592-a8a7ddb06468/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 14:08:11,050 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:08:11,050 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 14:08:11,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:08:11,160 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:08:11,428 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 865 proven. 2 refuted. 0 times theorem prover too weak. 903 trivial. 0 not checked. [2018-11-18 14:08:11,428 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 14:08:11,819 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 865 proven. 2 refuted. 0 times theorem prover too weak. 903 trivial. 0 not checked. [2018-11-18 14:08:11,834 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 14:08:11,834 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-18 14:08:11,835 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 14:08:11,835 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 14:08:11,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 14:08:11,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-11-18 14:08:11,836 INFO L87 Difference]: Start difference. First operand 15591 states and 18028 transitions. Second operand 9 states. [2018-11-18 14:08:14,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:08:14,724 INFO L93 Difference]: Finished difference Result 46176 states and 59584 transitions. [2018-11-18 14:08:14,724 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 14:08:14,724 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 969 [2018-11-18 14:08:14,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:08:14,816 INFO L225 Difference]: With dead ends: 46176 [2018-11-18 14:08:14,816 INFO L226 Difference]: Without dead ends: 22885 [2018-11-18 14:08:14,915 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1962 GetRequests, 1942 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=135, Invalid=285, Unknown=0, NotChecked=0, Total=420 [2018-11-18 14:08:14,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22885 states. [2018-11-18 14:08:15,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22885 to 22512. [2018-11-18 14:08:15,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22512 states. [2018-11-18 14:08:15,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22512 states to 22512 states and 25905 transitions. [2018-11-18 14:08:15,430 INFO L78 Accepts]: Start accepts. Automaton has 22512 states and 25905 transitions. Word has length 969 [2018-11-18 14:08:15,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:08:15,430 INFO L480 AbstractCegarLoop]: Abstraction has 22512 states and 25905 transitions. [2018-11-18 14:08:15,431 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 14:08:15,431 INFO L276 IsEmpty]: Start isEmpty. Operand 22512 states and 25905 transitions. [2018-11-18 14:08:15,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1340 [2018-11-18 14:08:15,456 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:08:15,456 INFO L375 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:08:15,456 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:08:15,457 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:08:15,457 INFO L82 PathProgramCache]: Analyzing trace with hash 1387140871, now seen corresponding path program 1 times [2018-11-18 14:08:15,457 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:08:15,458 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:08:15,458 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:08:15,458 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:08:15,458 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:08:15,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:08:16,072 INFO L134 CoverageAnalysis]: Checked inductivity of 3651 backedges. 293 proven. 0 refuted. 0 times theorem prover too weak. 3358 trivial. 0 not checked. [2018-11-18 14:08:16,072 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:08:16,072 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 14:08:16,072 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:08:16,073 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 14:08:16,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 14:08:16,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 14:08:16,074 INFO L87 Difference]: Start difference. First operand 22512 states and 25905 transitions. Second operand 4 states. [2018-11-18 14:08:17,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:08:17,244 INFO L93 Difference]: Finished difference Result 45466 states and 52842 transitions. [2018-11-18 14:08:17,244 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 14:08:17,244 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1339 [2018-11-18 14:08:17,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:08:17,299 INFO L225 Difference]: With dead ends: 45466 [2018-11-18 14:08:17,299 INFO L226 Difference]: Without dead ends: 17604 [2018-11-18 14:08:17,376 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 14:08:17,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17604 states. [2018-11-18 14:08:17,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17604 to 17534. [2018-11-18 14:08:17,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17534 states. [2018-11-18 14:08:17,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17534 states to 17534 states and 20521 transitions. [2018-11-18 14:08:17,646 INFO L78 Accepts]: Start accepts. Automaton has 17534 states and 20521 transitions. Word has length 1339 [2018-11-18 14:08:17,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:08:17,647 INFO L480 AbstractCegarLoop]: Abstraction has 17534 states and 20521 transitions. [2018-11-18 14:08:17,647 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 14:08:17,647 INFO L276 IsEmpty]: Start isEmpty. Operand 17534 states and 20521 transitions. [2018-11-18 14:08:17,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1345 [2018-11-18 14:08:17,676 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:08:17,676 INFO L375 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, 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 14:08:17,676 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:08:17,677 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:08:17,677 INFO L82 PathProgramCache]: Analyzing trace with hash -1726431836, now seen corresponding path program 1 times [2018-11-18 14:08:17,677 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:08:17,678 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:08:17,678 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:08:17,678 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:08:17,678 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:08:17,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:08:19,237 INFO L134 CoverageAnalysis]: Checked inductivity of 2848 backedges. 960 proven. 273 refuted. 0 times theorem prover too weak. 1615 trivial. 0 not checked. [2018-11-18 14:08:19,237 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:08:19,237 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:08:19,237 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1345 with the following transitions: [2018-11-18 14:08:19,237 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [179], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [407], [409], [412], [420], [428], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1044], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1533], [1537], [1541], [1545], [1549], [1551], [1552], [1556], [1560], [1566], [1570], [1572], [1577], [1578], [1579], [1580], [1581], [1583], [1584] [2018-11-18 14:08:19,240 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:08:19,240 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:08:20,073 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 14:08:20,073 INFO L272 AbstractInterpreter]: Visited 313 different actions 1251 times. Merged at 11 different actions 43 times. Widened at 1 different actions 1 times. Performed 15059 root evaluator evaluations with a maximum evaluation depth of 22. Performed 15059 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 11 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-18 14:08:20,077 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:08:20,078 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 14:08:20,078 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:08:20,078 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_477bd162-bd8f-4d8d-9592-a8a7ddb06468/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 14:08:20,088 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:08:20,088 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 14:08:20,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:08:20,234 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:08:20,861 INFO L134 CoverageAnalysis]: Checked inductivity of 2848 backedges. 1217 proven. 2 refuted. 0 times theorem prover too weak. 1629 trivial. 0 not checked. [2018-11-18 14:08:20,861 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 14:08:21,639 INFO L134 CoverageAnalysis]: Checked inductivity of 2848 backedges. 1217 proven. 2 refuted. 0 times theorem prover too weak. 1629 trivial. 0 not checked. [2018-11-18 14:08:21,655 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 14:08:21,655 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 12 [2018-11-18 14:08:21,655 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 14:08:21,656 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-18 14:08:21,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-18 14:08:21,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2018-11-18 14:08:21,657 INFO L87 Difference]: Start difference. First operand 17534 states and 20521 transitions. Second operand 11 states. [2018-11-18 14:08:24,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:08:24,891 INFO L93 Difference]: Finished difference Result 32883 states and 38312 transitions. [2018-11-18 14:08:24,891 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-11-18 14:08:24,891 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 1344 [2018-11-18 14:08:24,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:08:24,916 INFO L225 Difference]: With dead ends: 32883 [2018-11-18 14:08:24,917 INFO L226 Difference]: Without dead ends: 13031 [2018-11-18 14:08:24,955 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2744 GetRequests, 2704 SyntacticMatches, 4 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 322 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=331, Invalid=1075, Unknown=0, NotChecked=0, Total=1406 [2018-11-18 14:08:24,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13031 states. [2018-11-18 14:08:25,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13031 to 12027. [2018-11-18 14:08:25,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12027 states. [2018-11-18 14:08:25,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12027 states to 12027 states and 12901 transitions. [2018-11-18 14:08:25,111 INFO L78 Accepts]: Start accepts. Automaton has 12027 states and 12901 transitions. Word has length 1344 [2018-11-18 14:08:25,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:08:25,112 INFO L480 AbstractCegarLoop]: Abstraction has 12027 states and 12901 transitions. [2018-11-18 14:08:25,112 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-18 14:08:25,112 INFO L276 IsEmpty]: Start isEmpty. Operand 12027 states and 12901 transitions. [2018-11-18 14:08:25,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1473 [2018-11-18 14:08:25,133 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:08:25,134 INFO L375 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 14:08:25,134 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:08:25,134 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:08:25,135 INFO L82 PathProgramCache]: Analyzing trace with hash 2139414543, now seen corresponding path program 1 times [2018-11-18 14:08:25,135 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:08:25,135 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:08:25,135 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:08:25,135 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:08:25,136 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:08:25,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:08:26,142 INFO L134 CoverageAnalysis]: Checked inductivity of 4795 backedges. 1435 proven. 2 refuted. 0 times theorem prover too weak. 3358 trivial. 0 not checked. [2018-11-18 14:08:26,142 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:08:26,142 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:08:26,142 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1473 with the following transitions: [2018-11-18 14:08:26,142 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [407], [409], [412], [420], [428], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1044], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1088], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1412], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 14:08:26,147 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:08:26,147 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:08:26,635 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 14:08:26,635 INFO L272 AbstractInterpreter]: Visited 271 different actions 1092 times. Merged at 12 different actions 43 times. Never widened. Performed 12909 root evaluator evaluations with a maximum evaluation depth of 18. Performed 12909 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 15 fixpoints after 6 different actions. Largest state had 24 variables. [2018-11-18 14:08:26,637 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:08:26,637 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 14:08:26,637 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:08:26,637 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_477bd162-bd8f-4d8d-9592-a8a7ddb06468/bin-2019/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 14:08:26,644 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:08:26,644 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 14:08:26,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:08:26,826 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:08:27,515 INFO L134 CoverageAnalysis]: Checked inductivity of 4795 backedges. 1435 proven. 2 refuted. 0 times theorem prover too weak. 3358 trivial. 0 not checked. [2018-11-18 14:08:27,515 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 14:08:28,171 INFO L134 CoverageAnalysis]: Checked inductivity of 4795 backedges. 1435 proven. 2 refuted. 0 times theorem prover too weak. 3358 trivial. 0 not checked. [2018-11-18 14:08:28,187 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 14:08:28,188 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-18 14:08:28,188 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 14:08:28,189 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 14:08:28,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 14:08:28,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-11-18 14:08:28,189 INFO L87 Difference]: Start difference. First operand 12027 states and 12901 transitions. Second operand 9 states. [2018-11-18 14:08:29,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:08:29,408 INFO L93 Difference]: Finished difference Result 23269 states and 24778 transitions. [2018-11-18 14:08:29,408 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-18 14:08:29,408 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1472 [2018-11-18 14:08:29,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:08:29,420 INFO L225 Difference]: With dead ends: 23269 [2018-11-18 14:08:29,420 INFO L226 Difference]: Without dead ends: 11586 [2018-11-18 14:08:29,430 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2961 GetRequests, 2945 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2018-11-18 14:08:29,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11586 states. [2018-11-18 14:08:29,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11586 to 10887. [2018-11-18 14:08:29,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10887 states. [2018-11-18 14:08:29,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10887 states to 10887 states and 11336 transitions. [2018-11-18 14:08:29,513 INFO L78 Accepts]: Start accepts. Automaton has 10887 states and 11336 transitions. Word has length 1472 [2018-11-18 14:08:29,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:08:29,514 INFO L480 AbstractCegarLoop]: Abstraction has 10887 states and 11336 transitions. [2018-11-18 14:08:29,514 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 14:08:29,515 INFO L276 IsEmpty]: Start isEmpty. Operand 10887 states and 11336 transitions. [2018-11-18 14:08:29,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1560 [2018-11-18 14:08:29,530 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:08:29,530 INFO L375 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:08:29,530 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:08:29,530 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:08:29,531 INFO L82 PathProgramCache]: Analyzing trace with hash 706702772, now seen corresponding path program 1 times [2018-11-18 14:08:29,531 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:08:29,531 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:08:29,531 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:08:29,532 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:08:29,532 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:08:29,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:08:31,181 INFO L134 CoverageAnalysis]: Checked inductivity of 4879 backedges. 1312 proven. 255 refuted. 0 times theorem prover too weak. 3312 trivial. 0 not checked. [2018-11-18 14:08:31,181 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:08:31,181 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:08:31,182 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1560 with the following transitions: [2018-11-18 14:08:31,182 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [179], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [407], [409], [412], [420], [428], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1044], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1256], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1533], [1537], [1541], [1545], [1549], [1551], [1552], [1556], [1560], [1566], [1570], [1572], [1577], [1578], [1579], [1580], [1581], [1583], [1584] [2018-11-18 14:08:31,185 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:08:31,185 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:08:31,813 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 14:08:31,813 INFO L272 AbstractInterpreter]: Visited 316 different actions 1261 times. Merged at 13 different actions 41 times. Never widened. Performed 15208 root evaluator evaluations with a maximum evaluation depth of 18. Performed 15208 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 15 fixpoints after 6 different actions. Largest state had 24 variables. [2018-11-18 14:08:31,814 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:08:31,815 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 14:08:31,815 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:08:31,815 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_477bd162-bd8f-4d8d-9592-a8a7ddb06468/bin-2019/utaipan/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 14:08:31,821 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:08:31,821 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 14:08:31,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:08:31,989 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:08:32,881 INFO L134 CoverageAnalysis]: Checked inductivity of 4879 backedges. 2202 proven. 2 refuted. 0 times theorem prover too weak. 2675 trivial. 0 not checked. [2018-11-18 14:08:32,881 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 14:08:34,747 INFO L134 CoverageAnalysis]: Checked inductivity of 4879 backedges. 342 proven. 2072 refuted. 0 times theorem prover too weak. 2465 trivial. 0 not checked. [2018-11-18 14:08:34,764 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 14:08:34,764 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 8, 8] total 24 [2018-11-18 14:08:34,764 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 14:08:34,765 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-18 14:08:34,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-18 14:08:34,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=465, Unknown=0, NotChecked=0, Total=552 [2018-11-18 14:08:34,765 INFO L87 Difference]: Start difference. First operand 10887 states and 11336 transitions. Second operand 19 states. [2018-11-18 14:08:42,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:08:42,566 INFO L93 Difference]: Finished difference Result 22817 states and 23811 transitions. [2018-11-18 14:08:42,566 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2018-11-18 14:08:42,567 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 1559 [2018-11-18 14:08:42,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:08:42,578 INFO L225 Difference]: With dead ends: 22817 [2018-11-18 14:08:42,578 INFO L226 Difference]: Without dead ends: 11982 [2018-11-18 14:08:42,583 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3216 GetRequests, 3147 SyntacticMatches, 3 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1148 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=658, Invalid=3898, Unknown=0, NotChecked=0, Total=4556 [2018-11-18 14:08:42,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11982 states. [2018-11-18 14:08:42,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11982 to 11220. [2018-11-18 14:08:42,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11220 states. [2018-11-18 14:08:42,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11220 states to 11220 states and 11554 transitions. [2018-11-18 14:08:42,671 INFO L78 Accepts]: Start accepts. Automaton has 11220 states and 11554 transitions. Word has length 1559 [2018-11-18 14:08:42,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:08:42,671 INFO L480 AbstractCegarLoop]: Abstraction has 11220 states and 11554 transitions. [2018-11-18 14:08:42,671 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-18 14:08:42,671 INFO L276 IsEmpty]: Start isEmpty. Operand 11220 states and 11554 transitions. [2018-11-18 14:08:42,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1881 [2018-11-18 14:08:42,689 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:08:42,690 INFO L375 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:08:42,690 INFO L423 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:08:42,690 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:08:42,691 INFO L82 PathProgramCache]: Analyzing trace with hash -99051732, now seen corresponding path program 1 times [2018-11-18 14:08:42,691 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:08:42,691 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:08:42,691 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:08:42,692 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:08:42,692 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:08:42,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:08:45,827 INFO L134 CoverageAnalysis]: Checked inductivity of 6846 backedges. 2689 proven. 1430 refuted. 0 times theorem prover too weak. 2727 trivial. 0 not checked. [2018-11-18 14:08:45,827 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:08:45,827 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:08:45,827 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1881 with the following transitions: [2018-11-18 14:08:45,828 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [407], [409], [412], [420], [428], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [676], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1056], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1088], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1148], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1412], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 14:08:45,830 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:08:45,831 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:08:46,573 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 14:08:46,573 INFO L272 AbstractInterpreter]: Visited 291 different actions 1168 times. Merged at 12 different actions 39 times. Never widened. Performed 13968 root evaluator evaluations with a maximum evaluation depth of 22. Performed 13968 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 16 fixpoints after 8 different actions. Largest state had 24 variables. [2018-11-18 14:08:46,577 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:08:46,578 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 14:08:46,578 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:08:46,578 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_477bd162-bd8f-4d8d-9592-a8a7ddb06468/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 [2018-11-18 14:08:46,585 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:08:46,585 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 14:08:46,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:08:46,787 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:08:47,707 INFO L134 CoverageAnalysis]: Checked inductivity of 6846 backedges. 3845 proven. 2 refuted. 0 times theorem prover too weak. 2999 trivial. 0 not checked. [2018-11-18 14:08:47,708 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 14:08:49,179 INFO L134 CoverageAnalysis]: Checked inductivity of 6846 backedges. 1651 proven. 336 refuted. 0 times theorem prover too weak. 4859 trivial. 0 not checked. [2018-11-18 14:08:49,196 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 14:08:49,197 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 5, 5] total 19 [2018-11-18 14:08:49,198 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 14:08:49,199 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-18 14:08:49,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-18 14:08:49,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=270, Unknown=0, NotChecked=0, Total=342 [2018-11-18 14:08:49,200 INFO L87 Difference]: Start difference. First operand 11220 states and 11554 transitions. Second operand 18 states. [2018-11-18 14:08:54,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:08:54,412 INFO L93 Difference]: Finished difference Result 19242 states and 19905 transitions. [2018-11-18 14:08:54,412 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2018-11-18 14:08:54,412 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 1880 [2018-11-18 14:08:54,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:08:54,421 INFO L225 Difference]: With dead ends: 19242 [2018-11-18 14:08:54,421 INFO L226 Difference]: Without dead ends: 11640 [2018-11-18 14:08:54,425 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3867 GetRequests, 3793 SyntacticMatches, 4 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1550 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=966, Invalid=4146, Unknown=0, NotChecked=0, Total=5112 [2018-11-18 14:08:54,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11640 states. [2018-11-18 14:08:54,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11640 to 11225. [2018-11-18 14:08:54,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11225 states. [2018-11-18 14:08:54,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11225 states to 11225 states and 11524 transitions. [2018-11-18 14:08:54,494 INFO L78 Accepts]: Start accepts. Automaton has 11225 states and 11524 transitions. Word has length 1880 [2018-11-18 14:08:54,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:08:54,494 INFO L480 AbstractCegarLoop]: Abstraction has 11225 states and 11524 transitions. [2018-11-18 14:08:54,494 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-18 14:08:54,495 INFO L276 IsEmpty]: Start isEmpty. Operand 11225 states and 11524 transitions. [2018-11-18 14:08:54,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1953 [2018-11-18 14:08:54,511 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:08:54,512 INFO L375 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:08:54,512 INFO L423 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:08:54,512 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:08:54,512 INFO L82 PathProgramCache]: Analyzing trace with hash 1855418615, now seen corresponding path program 1 times [2018-11-18 14:08:54,512 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:08:54,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:08:54,513 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:08:54,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:08:54,513 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:08:54,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:08:58,722 INFO L134 CoverageAnalysis]: Checked inductivity of 7599 backedges. 2438 proven. 3817 refuted. 0 times theorem prover too weak. 1344 trivial. 0 not checked. [2018-11-18 14:08:58,723 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:08:58,723 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:08:58,723 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1953 with the following transitions: [2018-11-18 14:08:58,723 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [407], [409], [412], [420], [428], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [676], [677], [680], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1056], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1088], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1148], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1412], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 14:08:58,726 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:08:58,726 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:08:59,530 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 14:08:59,531 INFO L272 AbstractInterpreter]: Visited 292 different actions 1175 times. Merged at 12 different actions 42 times. Widened at 1 different actions 1 times. Performed 14068 root evaluator evaluations with a maximum evaluation depth of 22. Performed 14068 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 17 fixpoints after 10 different actions. Largest state had 24 variables. [2018-11-18 14:08:59,534 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:08:59,534 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 14:08:59,534 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:08:59,534 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_477bd162-bd8f-4d8d-9592-a8a7ddb06468/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 [2018-11-18 14:08:59,540 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:08:59,541 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 14:08:59,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:08:59,734 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:09:00,854 INFO L134 CoverageAnalysis]: Checked inductivity of 7599 backedges. 4520 proven. 2 refuted. 0 times theorem prover too weak. 3077 trivial. 0 not checked. [2018-11-18 14:09:00,854 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 14:09:02,307 INFO L134 CoverageAnalysis]: Checked inductivity of 7599 backedges. 920 proven. 636 refuted. 0 times theorem prover too weak. 6043 trivial. 0 not checked. [2018-11-18 14:09:02,324 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 14:09:02,324 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 5, 5] total 30 [2018-11-18 14:09:02,324 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 14:09:02,326 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-11-18 14:09:02,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-11-18 14:09:02,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=751, Unknown=0, NotChecked=0, Total=870 [2018-11-18 14:09:02,326 INFO L87 Difference]: Start difference. First operand 11225 states and 11524 transitions. Second operand 28 states. [2018-11-18 14:09:17,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:09:17,729 INFO L93 Difference]: Finished difference Result 22317 states and 22998 transitions. [2018-11-18 14:09:17,729 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2018-11-18 14:09:17,729 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 1952 [2018-11-18 14:09:17,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:09:17,743 INFO L225 Difference]: With dead ends: 22317 [2018-11-18 14:09:17,743 INFO L226 Difference]: Without dead ends: 14366 [2018-11-18 14:09:17,749 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4085 GetRequests, 3974 SyntacticMatches, 4 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4097 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=1452, Invalid=10320, Unknown=0, NotChecked=0, Total=11772 [2018-11-18 14:09:17,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14366 states. [2018-11-18 14:09:17,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14366 to 13971. [2018-11-18 14:09:17,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13971 states. [2018-11-18 14:09:17,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13971 states to 13971 states and 14301 transitions. [2018-11-18 14:09:17,853 INFO L78 Accepts]: Start accepts. Automaton has 13971 states and 14301 transitions. Word has length 1952 [2018-11-18 14:09:17,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:09:17,853 INFO L480 AbstractCegarLoop]: Abstraction has 13971 states and 14301 transitions. [2018-11-18 14:09:17,854 INFO L481 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-11-18 14:09:17,854 INFO L276 IsEmpty]: Start isEmpty. Operand 13971 states and 14301 transitions. [2018-11-18 14:09:17,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2073 [2018-11-18 14:09:17,874 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:09:17,875 INFO L375 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:09:17,875 INFO L423 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:09:17,875 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:09:17,875 INFO L82 PathProgramCache]: Analyzing trace with hash -2030253761, now seen corresponding path program 1 times [2018-11-18 14:09:17,876 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:09:17,876 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:09:17,876 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:09:17,876 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:09:17,876 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:09:18,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:09:22,059 INFO L134 CoverageAnalysis]: Checked inductivity of 8511 backedges. 2568 proven. 1633 refuted. 0 times theorem prover too weak. 4310 trivial. 0 not checked. [2018-11-18 14:09:22,059 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:09:22,059 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:09:22,060 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 2073 with the following transitions: [2018-11-18 14:09:22,060 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [407], [409], [412], [420], [428], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [680], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [924], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1056], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1088], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1144], [1145], [1148], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1412], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 14:09:22,062 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:09:22,062 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:09:22,955 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 14:09:22,955 INFO L272 AbstractInterpreter]: Visited 292 different actions 1465 times. Merged at 13 different actions 52 times. Widened at 1 different actions 2 times. Performed 17687 root evaluator evaluations with a maximum evaluation depth of 22. Performed 17687 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 18 fixpoints after 8 different actions. Largest state had 24 variables. [2018-11-18 14:09:22,970 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:09:22,970 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 14:09:22,970 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:09:22,970 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_477bd162-bd8f-4d8d-9592-a8a7ddb06468/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 [2018-11-18 14:09:22,984 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:09:22,984 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 14:09:23,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:09:23,198 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:09:24,552 INFO L134 CoverageAnalysis]: Checked inductivity of 8511 backedges. 404 proven. 0 refuted. 0 times theorem prover too weak. 8107 trivial. 0 not checked. [2018-11-18 14:09:24,552 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 14:09:25,564 INFO L134 CoverageAnalysis]: Checked inductivity of 8511 backedges. 404 proven. 0 refuted. 0 times theorem prover too weak. 8107 trivial. 0 not checked. [2018-11-18 14:09:25,580 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 14:09:25,581 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [18] total 20 [2018-11-18 14:09:25,581 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:09:25,582 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 14:09:25,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 14:09:25,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=320, Unknown=0, NotChecked=0, Total=380 [2018-11-18 14:09:25,582 INFO L87 Difference]: Start difference. First operand 13971 states and 14301 transitions. Second operand 3 states. [2018-11-18 14:09:26,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:09:26,852 INFO L93 Difference]: Finished difference Result 27022 states and 27755 transitions. [2018-11-18 14:09:26,853 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 14:09:26,853 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2072 [2018-11-18 14:09:26,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:09:26,855 INFO L225 Difference]: With dead ends: 27022 [2018-11-18 14:09:26,855 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 14:09:26,874 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4161 GetRequests, 4142 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=60, Invalid=320, Unknown=0, NotChecked=0, Total=380 [2018-11-18 14:09:26,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 14:09:26,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 14:09:26,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 14:09:26,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 14:09:26,875 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 2072 [2018-11-18 14:09:26,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:09:26,875 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 14:09:26,875 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 14:09:26,875 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 14:09:26,875 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 14:09:26,879 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 14:09:26,917 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:26,920 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:26,921 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:26,931 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:26,936 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:26,940 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:26,959 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:26,962 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:26,971 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:26,978 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,006 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,009 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,020 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,021 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,029 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,035 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,051 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,054 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,059 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,066 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,095 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,112 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,149 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,171 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,183 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,256 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,270 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,289 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,292 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,296 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,301 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,303 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,306 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,307 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,313 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,314 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,314 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,319 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,323 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,325 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,328 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,331 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,340 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,344 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,351 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,352 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,352 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,356 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,358 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,375 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,379 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,383 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,386 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,391 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,397 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,404 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,407 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,416 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,422 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,425 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,432 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,441 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,448 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,453 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,456 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,457 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,486 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,501 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,512 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,526 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,527 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,527 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,535 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,543 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,552 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,564 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,564 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,565 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,577 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,589 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,593 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,596 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,616 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,621 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,632 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,635 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,643 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,647 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,659 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,675 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,684 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,688 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,692 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,697 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,721 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,722 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,742 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:27,769 WARN L180 SmtUtils]: Spent 877.00 ms on a formula simplification. DAG size of input: 715 DAG size of output: 480 [2018-11-18 14:09:28,062 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:28,066 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:28,162 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:28,373 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:28,592 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:28,594 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:28,595 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:28,604 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:28,610 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:28,613 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:28,638 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:28,641 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:28,651 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:28,654 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:28,664 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:28,664 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:28,688 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:28,691 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:28,695 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:28,701 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:28,708 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:28,735 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:28,827 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:28,947 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:28,960 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:29,004 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:29,014 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:29,097 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:29,114 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:29,122 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:29,124 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:29,127 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:29,132 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:29,137 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:29,147 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:29,158 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:29,158 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:29,159 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:29,192 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:29,197 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:29,201 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:29,208 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:29,224 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:29,226 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:29,234 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:29,261 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:29,270 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:29,277 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:29,277 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:29,328 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:29,338 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:29,357 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:29,368 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:29,371 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:29,386 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:29,387 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:29,387 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:29,401 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:29,417 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:29,421 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:29,433 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:29,437 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:29,449 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:29,453 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:29,457 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:29,465 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:29,511 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:29,515 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:29,519 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:29,554 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:29,554 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:29,580 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:09:29,603 WARN L180 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 754 DAG size of output: 552 [2018-11-18 14:09:31,812 WARN L180 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 452 DAG size of output: 120 [2018-11-18 14:09:33,442 WARN L180 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 469 DAG size of output: 130 [2018-11-18 14:09:35,339 WARN L180 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 439 DAG size of output: 130 [2018-11-18 14:09:38,415 WARN L180 SmtUtils]: Spent 3.06 s on a formula simplification. DAG size of input: 497 DAG size of output: 163 [2018-11-18 14:09:41,044 WARN L180 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 524 DAG size of output: 116 [2018-11-18 14:09:41,053 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 14:09:41,053 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a16~0)| ~a16~0) (= ~a18~0 |old(~a18~0)|) (= |old(~a15~0)| ~a15~0) (= |old(~a12~0)| ~a12~0)) [2018-11-18 14:09:41,053 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 14:09:41,053 INFO L425 ceAbstractionStarter]: For program point L1497(lines 1497 1763) no Hoare annotation was computed. [2018-11-18 14:09:41,053 INFO L425 ceAbstractionStarter]: For program point calculate_output2EXIT(lines 1494 1765) no Hoare annotation was computed. [2018-11-18 14:09:41,053 INFO L425 ceAbstractionStarter]: For program point L1687(lines 1687 1763) no Hoare annotation was computed. [2018-11-18 14:09:41,053 INFO L425 ceAbstractionStarter]: For program point L1704(lines 1704 1763) no Hoare annotation was computed. [2018-11-18 14:09:41,053 INFO L425 ceAbstractionStarter]: For program point L1638(lines 1638 1763) no Hoare annotation was computed. [2018-11-18 14:09:41,053 INFO L425 ceAbstractionStarter]: For program point L1663(lines 1663 1763) no Hoare annotation was computed. [2018-11-18 14:09:41,053 INFO L425 ceAbstractionStarter]: For program point L1597(lines 1597 1763) no Hoare annotation was computed. [2018-11-18 14:09:41,053 INFO L425 ceAbstractionStarter]: For program point L1721(lines 1721 1763) no Hoare annotation was computed. [2018-11-18 14:09:41,053 INFO L425 ceAbstractionStarter]: For program point L1622(lines 1622 1763) no Hoare annotation was computed. [2018-11-18 14:09:41,053 INFO L425 ceAbstractionStarter]: For program point L1746(lines 1746 1763) no Hoare annotation was computed. [2018-11-18 14:09:41,054 INFO L425 ceAbstractionStarter]: For program point L1515(lines 1515 1763) no Hoare annotation was computed. [2018-11-18 14:09:41,054 INFO L425 ceAbstractionStarter]: For program point L1573(lines 1573 1763) no Hoare annotation was computed. [2018-11-18 14:09:41,054 INFO L425 ceAbstractionStarter]: For program point L1540(lines 1540 1763) no Hoare annotation was computed. [2018-11-18 14:09:41,054 INFO L425 ceAbstractionStarter]: For program point L1656(lines 1656 1763) no Hoare annotation was computed. [2018-11-18 14:09:41,054 INFO L425 ceAbstractionStarter]: For program point L1739(lines 1739 1763) no Hoare annotation was computed. [2018-11-18 14:09:41,054 INFO L425 ceAbstractionStarter]: For program point L1566(lines 1566 1763) no Hoare annotation was computed. [2018-11-18 14:09:41,054 INFO L425 ceAbstractionStarter]: For program point L1591(lines 1591 1763) no Hoare annotation was computed. [2018-11-18 14:09:41,054 INFO L425 ceAbstractionStarter]: For program point L1715(lines 1715 1763) no Hoare annotation was computed. [2018-11-18 14:09:41,054 INFO L425 ceAbstractionStarter]: For program point L1682(lines 1682 1763) no Hoare annotation was computed. [2018-11-18 14:09:41,054 INFO L425 ceAbstractionStarter]: For program point L1616(lines 1616 1763) no Hoare annotation was computed. [2018-11-18 14:09:41,054 INFO L425 ceAbstractionStarter]: For program point L1699(lines 1699 1763) no Hoare annotation was computed. [2018-11-18 14:09:41,054 INFO L425 ceAbstractionStarter]: For program point L1633(lines 1633 1763) no Hoare annotation was computed. [2018-11-18 14:09:41,054 INFO L425 ceAbstractionStarter]: For program point L1534(lines 1534 1763) no Hoare annotation was computed. [2018-11-18 14:09:41,054 INFO L425 ceAbstractionStarter]: For program point L1757(lines 1757 1763) no Hoare annotation was computed. [2018-11-18 14:09:41,054 INFO L425 ceAbstractionStarter]: For program point L1559(lines 1559 1763) no Hoare annotation was computed. [2018-11-18 14:09:41,055 INFO L425 ceAbstractionStarter]: For program point L1675(lines 1675 1763) no Hoare annotation was computed. [2018-11-18 14:09:41,055 INFO L425 ceAbstractionStarter]: For program point L1609(lines 1609 1763) no Hoare annotation was computed. [2018-11-18 14:09:41,055 INFO L425 ceAbstractionStarter]: For program point L1510(lines 1510 1763) no Hoare annotation was computed. [2018-11-18 14:09:41,055 INFO L425 ceAbstractionStarter]: For program point L1733(lines 1733 1763) no Hoare annotation was computed. [2018-11-18 14:09:41,055 INFO L421 ceAbstractionStarter]: At program point calculate_output2ENTRY(lines 1494 1765) the Hoare annotation is: (let ((.cse21 (= ~a16~0 |old(~a16~0)|)) (.cse17 (= ~a18~0 |old(~a18~0)|)) (.cse23 (= |old(~a16~0)| ~a16~0)) (.cse9 (<= ~a18~0 |old(~a18~0)|)) (.cse11 (= |old(~a15~0)| ~a15~0)) (.cse12 (= |old(~a12~0)| ~a12~0)) (.cse1 (= 6 |old(~a12~0)|)) (.cse27 (= 12 |old(~a16~0)|)) (.cse2 (= 4 |old(~a15~0)|))) (let ((.cse10 (= ~a16~0 10)) (.cse18 (or .cse27 .cse2 (< 7 |old(~a12~0)|))) (.cse13 (not (= |old(~a16~0)| 10))) (.cse5 (not (= 8 |old(~a16~0)|))) (.cse8 (or .cse1 .cse27 .cse2)) (.cse0 (and .cse23 .cse9 .cse11 .cse12)) (.cse14 (not (= 7 |old(~a12~0)|))) (.cse15 (not (= 11 |old(~a16~0)|))) (.cse22 (= 3 ~a15~0)) (.cse3 (= 8 |old(~a12~0)|)) (.cse16 (not (= |old(~a15~0)| 3))) (.cse19 (< |old(~a16~0)| 12)) (.cse4 (not .cse2)) (.cse6 (and .cse11 .cse21 .cse17 .cse12)) (.cse7 (forall ((v_prenex_31 Int)) (let ((.cse25 (* 9 v_prenex_31))) (let ((.cse26 (mod (+ (div .cse25 10) 1) 106))) (or (< 0 (+ v_prenex_31 156)) (= (mod .cse25 10) 0) (not (= 0 .cse26)) (<= 0 .cse25) (< (+ .cse26 133) |old(~a18~0)|)))))) (.cse20 (not (= 9 |old(~a16~0)|)))) (and (or .cse0 (< 9 |old(~a16~0)|) .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse7) (or .cse8 (and .cse9 .cse10 .cse11 .cse12) .cse13) (or .cse14 .cse15 .cse16 .cse6) (or (and .cse11 .cse17 .cse10 .cse12) .cse4 (< 6 |old(~a12~0)|) (not (= 10 |old(~a16~0)|))) (or .cse18 .cse5 .cse0) (or .cse16 .cse6 .cse7 .cse19) (or .cse4 .cse5 .cse3 .cse6) (or .cse18 .cse0 .cse13) (or .cse5 .cse8 .cse0) (or .cse6 (or .cse4 .cse14 .cse20)) (or (or (= 0 |old(~a12~0)|) .cse15) .cse16 (and .cse21 .cse22 .cse17 .cse12) .cse7) (or (and .cse23 .cse22 .cse17 .cse12) (not (= 3 |old(~a15~0)|)) (not .cse3) (< 134 |old(~a18~0)|) .cse20) (or (or .cse1 .cse2 .cse19) .cse6) (or (forall ((v_prenex_25 Int)) (let ((.cse24 (* 5 (div (* 10 v_prenex_25) (- 5))))) (or (< .cse24 0) (< |old(~a18~0)| (div .cse24 5)) (< 0 (+ v_prenex_25 79)) (< .cse24 5)))) .cse16 .cse19 .cse6) (or .cse4 .cse6 .cse7 .cse20)))) [2018-11-18 14:09:41,055 INFO L425 ceAbstractionStarter]: For program point L1527(lines 1527 1763) no Hoare annotation was computed. [2018-11-18 14:09:41,055 INFO L425 ceAbstractionStarter]: For program point L1651(lines 1651 1763) no Hoare annotation was computed. [2018-11-18 14:09:41,055 INFO L425 ceAbstractionStarter]: For program point L1585(lines 1585 1763) no Hoare annotation was computed. [2018-11-18 14:09:41,055 INFO L425 ceAbstractionStarter]: For program point L1709(lines 1709 1763) no Hoare annotation was computed. [2018-11-18 14:09:41,055 INFO L425 ceAbstractionStarter]: For program point L1503(lines 1503 1763) no Hoare annotation was computed. [2018-11-18 14:09:41,055 INFO L425 ceAbstractionStarter]: For program point L1693(lines 1693 1763) no Hoare annotation was computed. [2018-11-18 14:09:41,056 INFO L425 ceAbstractionStarter]: For program point L1553(lines 1553 1763) no Hoare annotation was computed. [2018-11-18 14:09:41,056 INFO L425 ceAbstractionStarter]: For program point calculate_output2FINAL(lines 1494 1765) no Hoare annotation was computed. [2018-11-18 14:09:41,056 INFO L425 ceAbstractionStarter]: For program point L1669(lines 1669 1763) no Hoare annotation was computed. [2018-11-18 14:09:41,056 INFO L425 ceAbstractionStarter]: For program point L1603(lines 1603 1763) no Hoare annotation was computed. [2018-11-18 14:09:41,056 INFO L425 ceAbstractionStarter]: For program point L1727(lines 1727 1763) no Hoare annotation was computed. [2018-11-18 14:09:41,056 INFO L425 ceAbstractionStarter]: For program point L1628(lines 1628 1763) no Hoare annotation was computed. [2018-11-18 14:09:41,056 INFO L425 ceAbstractionStarter]: For program point L1752(lines 1752 1763) no Hoare annotation was computed. [2018-11-18 14:09:41,057 INFO L425 ceAbstractionStarter]: For program point L1521(lines 1521 1763) no Hoare annotation was computed. [2018-11-18 14:09:41,057 INFO L425 ceAbstractionStarter]: For program point L1645(lines 1645 1763) no Hoare annotation was computed. [2018-11-18 14:09:41,057 INFO L425 ceAbstractionStarter]: For program point L1579(lines 1579 1763) no Hoare annotation was computed. [2018-11-18 14:09:41,057 INFO L425 ceAbstractionStarter]: For program point L1546(lines 1546 1763) no Hoare annotation was computed. [2018-11-18 14:09:41,057 INFO L425 ceAbstractionStarter]: For program point L894(lines 894 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,057 INFO L425 ceAbstractionStarter]: For program point L828(lines 828 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,057 INFO L425 ceAbstractionStarter]: For program point L696(lines 696 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,057 INFO L425 ceAbstractionStarter]: For program point L1291(lines 1291 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,057 INFO L425 ceAbstractionStarter]: For program point L168-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:09:41,057 INFO L425 ceAbstractionStarter]: For program point L102-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:09:41,057 INFO L425 ceAbstractionStarter]: For program point L36-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:09:41,058 INFO L425 ceAbstractionStarter]: For program point L961(lines 961 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,058 INFO L425 ceAbstractionStarter]: For program point L763(lines 763 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,058 INFO L425 ceAbstractionStarter]: For program point L631(lines 631 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,058 INFO L425 ceAbstractionStarter]: For program point L367(lines 367 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,058 INFO L425 ceAbstractionStarter]: For program point L1358(lines 1358 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,058 INFO L425 ceAbstractionStarter]: For program point L235(lines 235 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,058 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-18 14:09:41,058 INFO L425 ceAbstractionStarter]: For program point L1160(lines 1160 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,058 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-18 14:09:41,058 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-18 14:09:41,059 INFO L421 ceAbstractionStarter]: At program point L1491(line 1491) the Hoare annotation is: (let ((.cse3 (= ~a16~0 10)) (.cse6 (= 6 |old(~a12~0)|)) (.cse31 (not (= 5 |old(~a12~0)|))) (.cse21 (not (= 11 |old(~a16~0)|))) (.cse12 (not (= calculate_output_~input 0))) (.cse13 (= ~a16~0 |old(~a16~0)|)) (.cse2 (= ~a18~0 |old(~a18~0)|)) (.cse30 (= |old(~a16~0)| ~a16~0)) (.cse36 (<= ~a18~0 |old(~a18~0)|)) (.cse1 (= |old(~a15~0)| ~a15~0)) (.cse4 (= |old(~a12~0)| ~a12~0)) (.cse19 (= 8 |old(~a12~0)|)) (.cse37 (= 12 |old(~a16~0)|)) (.cse18 (= 4 |old(~a15~0)|))) (let ((.cse26 (or .cse37 .cse18 (< 7 |old(~a12~0)|))) (.cse9 (not .cse19)) (.cse14 (= 3 ~a15~0)) (.cse23 (not (= 8 |old(~a16~0)|))) (.cse16 (and .cse30 .cse36 .cse1 .cse4)) (.cse20 (not (= 7 |old(~a12~0)|))) (.cse22 (and .cse1 .cse12 .cse13 .cse2 .cse4)) (.cse11 (and (or .cse31 (not (= (+ |old(~a18~0)| 87) 0)) .cse21) (or (not (= 0 (mod |old(~a12~0)| 2))) .cse21))) (.cse25 (= 0 |old(~a12~0)|)) (.cse17 (< 9 |old(~a16~0)|)) (.cse32 (or .cse6 .cse37 .cse18)) (.cse27 (and .cse36 .cse3 .cse1 .cse4)) (.cse0 (not .cse18)) (.cse7 (forall ((v_prenex_31 Int)) (let ((.cse34 (* 9 v_prenex_31))) (let ((.cse35 (mod (+ (div .cse34 10) 1) 106))) (or (< 0 (+ v_prenex_31 156)) (= (mod .cse34 10) 0) (not (= 0 .cse35)) (<= 0 .cse34) (< (+ .cse35 133) |old(~a18~0)|)))))) (.cse8 (not (= 9 |old(~a16~0)|))) (.cse15 (not (= |old(~a15~0)| 3))) (.cse28 (< |old(~a16~0)| 12)) (.cse24 (and .cse1 .cse13 .cse2 .cse4)) (.cse29 (not (= 3 |old(~a15~0)|))) (.cse10 (= |calculate_output_#in~input| 0)) (.cse5 (not (= 10 |old(~a16~0)|)))) (and (or .cse0 (< 6 |old(~a12~0)|) (and .cse1 .cse2 .cse3 .cse4) .cse5) (or .cse0 (not (= calculate_output_~input 1)) (not .cse6) .cse7 .cse8) (or .cse9 .cse10 .cse11 (and (or (not (= calculate_output_~input 3)) (< 0 (+ ~a18~0 156))) .cse12 .cse13 .cse14 .cse2 .cse4) .cse15 .cse7) (or .cse16 .cse17 .cse6 .cse18 .cse19) (or .cse20 .cse21 .cse10 .cse15 .cse22) (or .cse0 .cse23 .cse24 .cse7) (or .cse21 .cse10 .cse22 .cse6 .cse19 .cse15 .cse25 .cse7) (or .cse26 .cse23 .cse16) (or .cse26 .cse27 .cse5) (or .cse24 .cse15 .cse7 .cse28) (or .cse29 .cse9 (< 134 |old(~a18~0)|) (and (and .cse30 .cse4) .cse14 .cse2) .cse8) (or .cse0 .cse23 .cse19 .cse24) (or .cse12 (or .cse31 .cse15 .cse28 .cse10)) (or .cse23 .cse32 .cse16) (or .cse24 (or .cse6 .cse18 .cse28)) (or .cse24 (or .cse0 .cse20 .cse8)) (or .cse22 .cse10 .cse11 .cse15 .cse25 .cse7) (or .cse29 .cse31 .cse10 .cse17 (= 0 |old(~a16~0)|) .cse12) (or .cse32 .cse5 .cse27) (or .cse0 .cse24 .cse7 .cse8) (or (forall ((v_prenex_25 Int)) (let ((.cse33 (* 5 (div (* 10 v_prenex_25) (- 5))))) (or (< .cse33 0) (< |old(~a18~0)| (div .cse33 5)) (< 0 (+ v_prenex_25 79)) (< .cse33 5)))) .cse15 .cse28 .cse24) (or .cse29 .cse31 .cse12 .cse10 .cse5)))) [2018-11-18 14:09:41,059 INFO L425 ceAbstractionStarter]: For program point L434(lines 434 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,059 INFO L425 ceAbstractionStarter]: For program point L1491-1(line 1491) no Hoare annotation was computed. [2018-11-18 14:09:41,059 INFO L425 ceAbstractionStarter]: For program point L1227(lines 1227 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,059 INFO L425 ceAbstractionStarter]: For program point L567(lines 567 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,059 INFO L425 ceAbstractionStarter]: For program point L501(lines 501 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,059 INFO L425 ceAbstractionStarter]: For program point L303(lines 303 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,059 INFO L425 ceAbstractionStarter]: For program point L171-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:09:41,059 INFO L425 ceAbstractionStarter]: For program point L105-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:09:41,059 INFO L425 ceAbstractionStarter]: For program point L39-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:09:41,059 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-18 14:09:41,059 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-18 14:09:41,059 INFO L425 ceAbstractionStarter]: For program point L1097(lines 1097 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,059 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-18 14:09:41,059 INFO L425 ceAbstractionStarter]: For program point L1031(lines 1031 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,059 INFO L425 ceAbstractionStarter]: For program point L899(lines 899 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,060 INFO L425 ceAbstractionStarter]: For program point L1428(lines 1428 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,060 INFO L425 ceAbstractionStarter]: For program point L834(lines 834 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,060 INFO L425 ceAbstractionStarter]: For program point L636(lines 636 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,060 INFO L425 ceAbstractionStarter]: For program point L1297(lines 1297 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,060 INFO L425 ceAbstractionStarter]: For program point L240(lines 240 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,060 INFO L425 ceAbstractionStarter]: For program point L174-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:09:41,060 INFO L425 ceAbstractionStarter]: For program point L108-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:09:41,060 INFO L425 ceAbstractionStarter]: For program point L42-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:09:41,060 INFO L425 ceAbstractionStarter]: For program point L967(lines 967 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,060 INFO L425 ceAbstractionStarter]: For program point L769(lines 769 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,060 INFO L425 ceAbstractionStarter]: For program point L703(lines 703 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,060 INFO L425 ceAbstractionStarter]: For program point L373(lines 373 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,060 INFO L425 ceAbstractionStarter]: For program point L1364(lines 1364 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,060 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-18 14:09:41,060 INFO L425 ceAbstractionStarter]: For program point L1166(lines 1166 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,060 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-18 14:09:41,060 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-18 14:09:41,061 INFO L425 ceAbstractionStarter]: For program point L440(lines 440 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,061 INFO L425 ceAbstractionStarter]: For program point L573(lines 573 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,061 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,061 INFO L425 ceAbstractionStarter]: For program point L1234(lines 1234 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,061 INFO L425 ceAbstractionStarter]: For program point L177-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:09:41,061 INFO L425 ceAbstractionStarter]: For program point L111-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:09:41,061 INFO L425 ceAbstractionStarter]: For program point L45-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:09:41,061 INFO L425 ceAbstractionStarter]: For program point L1036(lines 1036 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,061 INFO L425 ceAbstractionStarter]: For program point L706(lines 706 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,061 INFO L425 ceAbstractionStarter]: For program point L508(lines 508 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,061 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-18 14:09:41,061 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-18 14:09:41,061 INFO L425 ceAbstractionStarter]: For program point L1103(lines 1103 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,061 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-18 14:09:41,061 INFO L425 ceAbstractionStarter]: For program point L905(lines 905 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,061 INFO L425 ceAbstractionStarter]: For program point L641(lines 641 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,062 INFO L425 ceAbstractionStarter]: For program point L443(lines 443 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,062 INFO L425 ceAbstractionStarter]: For program point L1434(lines 1434 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,062 INFO L425 ceAbstractionStarter]: For program point L840(lines 840 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,062 INFO L425 ceAbstractionStarter]: For program point L1303(lines 1303 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,062 INFO L425 ceAbstractionStarter]: For program point L246(lines 246 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,062 INFO L425 ceAbstractionStarter]: For program point L180-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:09:41,062 INFO L425 ceAbstractionStarter]: For program point L114-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:09:41,062 INFO L425 ceAbstractionStarter]: For program point L48-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:09:41,062 INFO L425 ceAbstractionStarter]: For program point L775(lines 775 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,062 INFO L425 ceAbstractionStarter]: For program point L1370(lines 1370 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,062 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-18 14:09:41,062 INFO L425 ceAbstractionStarter]: For program point L1172(lines 1172 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,062 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-18 14:09:41,062 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-18 14:09:41,062 INFO L425 ceAbstractionStarter]: For program point L974(lines 974 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,062 INFO L425 ceAbstractionStarter]: For program point L578(lines 578 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,062 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,063 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,063 INFO L425 ceAbstractionStarter]: For program point L183-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:09:41,063 INFO L425 ceAbstractionStarter]: For program point L117-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:09:41,063 INFO L425 ceAbstractionStarter]: For program point L51-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:09:41,063 INFO L425 ceAbstractionStarter]: For program point L1042(lines 1042 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,063 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:09:41,063 INFO L425 ceAbstractionStarter]: For program point L778(lines 778 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,063 INFO L425 ceAbstractionStarter]: For program point L712(lines 712 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,063 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 109) no Hoare annotation was computed. [2018-11-18 14:09:41,063 INFO L425 ceAbstractionStarter]: For program point L1241(lines 1241 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,063 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-18 14:09:41,063 INFO L425 ceAbstractionStarter]: For program point L1175(lines 1175 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,063 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-18 14:09:41,063 INFO L425 ceAbstractionStarter]: For program point L1109(lines 1109 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,063 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-18 14:09:41,063 INFO L425 ceAbstractionStarter]: For program point L515(lines 515 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,064 INFO L425 ceAbstractionStarter]: For program point L449(lines 449 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,064 INFO L425 ceAbstractionStarter]: For program point L1440(lines 1440 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,064 INFO L425 ceAbstractionStarter]: For program point L912(lines 912 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,064 INFO L425 ceAbstractionStarter]: For program point L846(lines 846 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,064 INFO L425 ceAbstractionStarter]: For program point L648(lines 648 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,064 INFO L425 ceAbstractionStarter]: For program point L1375(lines 1375 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,064 INFO L425 ceAbstractionStarter]: For program point L1309(lines 1309 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,064 INFO L425 ceAbstractionStarter]: For program point L252(lines 252 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,064 INFO L425 ceAbstractionStarter]: For program point L186-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:09:41,064 INFO L425 ceAbstractionStarter]: For program point L120-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:09:41,064 INFO L425 ceAbstractionStarter]: For program point L54-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:09:41,064 INFO L425 ceAbstractionStarter]: For program point L979(lines 979 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,064 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-18 14:09:41,064 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-18 14:09:41,064 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-18 14:09:41,064 INFO L425 ceAbstractionStarter]: For program point L584(lines 584 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,064 INFO L425 ceAbstractionStarter]: For program point L386(lines 386 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,065 INFO L425 ceAbstractionStarter]: For program point L717(lines 717 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,065 INFO L425 ceAbstractionStarter]: For program point L321(lines 321 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,065 INFO L425 ceAbstractionStarter]: For program point L189-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:09:41,065 INFO L425 ceAbstractionStarter]: For program point L123-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:09:41,065 INFO L425 ceAbstractionStarter]: For program point L1114(lines 1114 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,065 INFO L425 ceAbstractionStarter]: For program point L57-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:09:41,065 INFO L425 ceAbstractionStarter]: For program point L1048(lines 1048 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,065 INFO L425 ceAbstractionStarter]: For program point L784(lines 784 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,065 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,065 INFO L425 ceAbstractionStarter]: For program point L1247(lines 1247 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,065 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-18 14:09:41,065 INFO L425 ceAbstractionStarter]: For program point L1181(lines 1181 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,065 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-18 14:09:41,065 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-18 14:09:41,065 INFO L425 ceAbstractionStarter]: For program point L917(lines 917 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,065 INFO L425 ceAbstractionStarter]: For program point L851(lines 851 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,065 INFO L425 ceAbstractionStarter]: For program point L521(lines 521 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,066 INFO L425 ceAbstractionStarter]: For program point L1446(lines 1446 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,066 INFO L425 ceAbstractionStarter]: For program point L1314(lines 1314 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,066 INFO L425 ceAbstractionStarter]: For program point L257(lines 257 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,066 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 23 1492) the Hoare annotation is: (let ((.cse8 (= ~a16~0 |old(~a16~0)|)) (.cse9 (= ~a18~0 |old(~a18~0)|)) (.cse13 (<= ~a18~0 |old(~a18~0)|)) (.cse15 (= |old(~a15~0)| ~a15~0)) (.cse10 (= |old(~a12~0)| ~a12~0)) (.cse1 (= 6 |old(~a12~0)|)) (.cse26 (= 12 |old(~a16~0)|)) (.cse2 (= 4 |old(~a15~0)|))) (let ((.cse14 (= ~a16~0 10)) (.cse16 (not (= 10 |old(~a16~0)|))) (.cse3 (= 8 |old(~a12~0)|)) (.cse17 (or .cse26 .cse2 (< 7 |old(~a12~0)|))) (.cse5 (not (= 8 |old(~a16~0)|))) (.cse12 (or .cse1 .cse26 .cse2)) (.cse0 (and (= |old(~a16~0)| ~a16~0) .cse13 .cse15 .cse10)) (.cse22 (not (= 7 |old(~a12~0)|))) (.cse21 (not (= 11 |old(~a16~0)|))) (.cse20 (= |calculate_output_#in~input| 0)) (.cse18 (not (= |old(~a15~0)| 3))) (.cse19 (< |old(~a16~0)| 12)) (.cse4 (not .cse2)) (.cse6 (and .cse15 .cse8 .cse9 .cse10)) (.cse7 (forall ((v_prenex_31 Int)) (let ((.cse24 (* 9 v_prenex_31))) (let ((.cse25 (mod (+ (div .cse24 10) 1) 106))) (or (< 0 (+ v_prenex_31 156)) (= (mod .cse24 10) 0) (not (= 0 .cse25)) (<= 0 .cse24) (< (+ .cse25 133) |old(~a18~0)|)))))) (.cse11 (not (= 9 |old(~a16~0)|)))) (and (or .cse0 (< 9 |old(~a16~0)|) .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse7) (or (not (= 3 |old(~a15~0)|)) (not .cse3) (and .cse8 (= 3 ~a15~0) .cse9 .cse10) (< 134 |old(~a18~0)|) .cse11) (or .cse12 (and .cse13 .cse14 .cse15 .cse10) .cse16) (or (and .cse15 .cse9 .cse14 .cse10) .cse4 (< 6 |old(~a12~0)|) .cse16) (or .cse17 .cse5 .cse0) (or .cse18 .cse6 .cse7 .cse19) (or .cse20 .cse21 .cse6 .cse18 (= 0 |old(~a12~0)|) .cse7) (or .cse4 .cse5 .cse3 .cse6) (or .cse17 .cse0 (not (= |old(~a16~0)| 10))) (or .cse5 .cse12 .cse0) (or .cse6 (or .cse4 .cse22 .cse11)) (or .cse22 .cse21 .cse20 .cse6 .cse18) (or (or .cse1 .cse2 .cse19) .cse6) (or (forall ((v_prenex_25 Int)) (let ((.cse23 (* 5 (div (* 10 v_prenex_25) (- 5))))) (or (< .cse23 0) (< |old(~a18~0)| (div .cse23 5)) (< 0 (+ v_prenex_25 79)) (< .cse23 5)))) .cse18 .cse19 .cse6) (or .cse4 .cse6 .cse7 .cse11)))) [2018-11-18 14:09:41,066 INFO L425 ceAbstractionStarter]: For program point L1381(lines 1381 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,066 INFO L425 ceAbstractionStarter]: For program point L192-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:09:41,066 INFO L425 ceAbstractionStarter]: For program point L126-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:09:41,066 INFO L425 ceAbstractionStarter]: For program point L60-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:09:41,066 INFO L425 ceAbstractionStarter]: For program point L655(lines 655 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,066 INFO L425 ceAbstractionStarter]: For program point L589(lines 589 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,066 INFO L425 ceAbstractionStarter]: For program point L457(lines 457 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,067 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,067 INFO L425 ceAbstractionStarter]: For program point L1250(lines 1250 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,067 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-18 14:09:41,067 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-18 14:09:41,067 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-18 14:09:41,067 INFO L425 ceAbstractionStarter]: For program point L986(lines 986 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,067 INFO L425 ceAbstractionStarter]: For program point L1449(lines 1449 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,067 INFO L425 ceAbstractionStarter]: For program point L789(lines 789 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,067 INFO L425 ceAbstractionStarter]: For program point L723(lines 723 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,067 INFO L425 ceAbstractionStarter]: For program point L327(lines 327 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,067 INFO L425 ceAbstractionStarter]: For program point L195-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:09:41,067 INFO L425 ceAbstractionStarter]: For program point L129-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:09:41,067 INFO L425 ceAbstractionStarter]: For program point L1120(lines 1120 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,067 INFO L425 ceAbstractionStarter]: For program point L63-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:09:41,067 INFO L425 ceAbstractionStarter]: For program point L922(lines 922 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,067 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,067 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-18 14:09:41,068 INFO L425 ceAbstractionStarter]: For program point L1187(lines 1187 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,068 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-18 14:09:41,068 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-18 14:09:41,068 INFO L425 ceAbstractionStarter]: For program point L1055(lines 1055 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,068 INFO L425 ceAbstractionStarter]: For program point L857(lines 857 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,068 INFO L425 ceAbstractionStarter]: For program point L527(lines 527 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,068 INFO L425 ceAbstractionStarter]: For program point L1386(lines 1386 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,068 INFO L425 ceAbstractionStarter]: For program point L594(lines 594 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,068 INFO L425 ceAbstractionStarter]: For program point L1321(lines 1321 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,068 INFO L425 ceAbstractionStarter]: For program point L198-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:09:41,068 INFO L425 ceAbstractionStarter]: For program point L132-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:09:41,068 INFO L425 ceAbstractionStarter]: For program point L66-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:09:41,068 INFO L425 ceAbstractionStarter]: For program point L661(lines 661 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,068 INFO L425 ceAbstractionStarter]: For program point L463(lines 463 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,068 INFO L425 ceAbstractionStarter]: For program point L1256(lines 1256 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,068 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-18 14:09:41,068 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-18 14:09:41,069 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-18 14:09:41,069 INFO L425 ceAbstractionStarter]: For program point L728(lines 728 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,069 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,069 INFO L425 ceAbstractionStarter]: For program point L1125(lines 1125 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,069 INFO L425 ceAbstractionStarter]: For program point L993(lines 993 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,069 INFO L425 ceAbstractionStarter]: For program point L1456(lines 1456 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,069 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,069 INFO L425 ceAbstractionStarter]: For program point L201-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:09:41,069 INFO L425 ceAbstractionStarter]: For program point L135-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:09:41,069 INFO L425 ceAbstractionStarter]: For program point L69-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:09:41,069 INFO L425 ceAbstractionStarter]: For program point L796(lines 796 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,069 INFO L425 ceAbstractionStarter]: For program point L664(lines 664 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,069 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,069 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-18 14:09:41,069 INFO L425 ceAbstractionStarter]: For program point L1193(lines 1193 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,069 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-18 14:09:41,069 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-18 14:09:41,070 INFO L425 ceAbstractionStarter]: For program point L1061(lines 1061 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,070 INFO L425 ceAbstractionStarter]: For program point L929(lines 929 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,070 INFO L425 ceAbstractionStarter]: For program point L863(lines 863 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,070 INFO L425 ceAbstractionStarter]: For program point L533(lines 533 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,070 INFO L425 ceAbstractionStarter]: For program point L1392(lines 1392 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,070 INFO L425 ceAbstractionStarter]: For program point L600(lines 600 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,070 INFO L425 ceAbstractionStarter]: For program point L1327(lines 1327 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,070 INFO L425 ceAbstractionStarter]: For program point L204-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:09:41,070 INFO L425 ceAbstractionStarter]: For program point L138-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:09:41,070 INFO L425 ceAbstractionStarter]: For program point L72-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:09:41,070 INFO L425 ceAbstractionStarter]: For program point L469(lines 469 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,070 INFO L425 ceAbstractionStarter]: For program point L1262(lines 1262 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,070 INFO L425 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2018-11-18 14:09:41,070 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-18 14:09:41,070 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-18 14:09:41,071 INFO L425 ceAbstractionStarter]: For program point L734(lines 734 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,071 INFO L425 ceAbstractionStarter]: For program point L1461(lines 1461 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,071 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,071 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,071 INFO L425 ceAbstractionStarter]: For program point L1131(lines 1131 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,071 INFO L425 ceAbstractionStarter]: For program point L999(lines 999 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,071 INFO L425 ceAbstractionStarter]: For program point L141-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:09:41,071 INFO L425 ceAbstractionStarter]: For program point L75-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:09:41,071 INFO L425 ceAbstractionStarter]: For program point L802(lines 802 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,071 INFO L425 ceAbstractionStarter]: For program point L670(lines 670 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,071 INFO L425 ceAbstractionStarter]: For program point L538(lines 538 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,071 INFO L425 ceAbstractionStarter]: For program point L1397(lines 1397 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,071 INFO L425 ceAbstractionStarter]: For program point L274(lines 274 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,071 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-18 14:09:41,071 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-18 14:09:41,071 INFO L425 ceAbstractionStarter]: For program point L1067(lines 1067 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,071 INFO L425 ceAbstractionStarter]: For program point L935(lines 935 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,072 INFO L425 ceAbstractionStarter]: For program point L869(lines 869 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,072 INFO L425 ceAbstractionStarter]: For program point L1200(lines 1200 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,072 INFO L425 ceAbstractionStarter]: For program point L606(lines 606 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,072 INFO L425 ceAbstractionStarter]: For program point L1267(lines 1267 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,072 INFO L425 ceAbstractionStarter]: For program point L144-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:09:41,072 INFO L425 ceAbstractionStarter]: For program point L78-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:09:41,072 INFO L425 ceAbstractionStarter]: For program point L1466(lines 1466 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,072 INFO L425 ceAbstractionStarter]: For program point L1334(lines 1334 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,072 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-18 14:09:41,072 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-18 14:09:41,072 INFO L425 ceAbstractionStarter]: For program point L476(lines 476 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,072 INFO L425 ceAbstractionStarter]: For program point L1137(lines 1137 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,072 INFO L425 ceAbstractionStarter]: For program point L1005(lines 1005 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,072 INFO L425 ceAbstractionStarter]: For program point L741(lines 741 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,072 INFO L425 ceAbstractionStarter]: For program point L543(lines 543 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,072 INFO L425 ceAbstractionStarter]: For program point L411(lines 411 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,073 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,073 INFO L425 ceAbstractionStarter]: For program point L279(lines 279 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,073 INFO L425 ceAbstractionStarter]: For program point L213(lines 213 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,073 INFO L425 ceAbstractionStarter]: For program point L147-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:09:41,073 INFO L425 ceAbstractionStarter]: For program point L81-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:09:41,073 INFO L425 ceAbstractionStarter]: For program point L808(lines 808 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,073 INFO L425 ceAbstractionStarter]: For program point L1403(lines 1403 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,073 INFO L425 ceAbstractionStarter]: For program point L1205(lines 1205 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,073 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-18 14:09:41,073 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-18 14:09:41,073 INFO L425 ceAbstractionStarter]: For program point L1073(lines 1073 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,073 INFO L425 ceAbstractionStarter]: For program point L875(lines 875 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,073 INFO L425 ceAbstractionStarter]: For program point L677(lines 677 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,073 INFO L425 ceAbstractionStarter]: For program point L942(lines 942 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,073 INFO L425 ceAbstractionStarter]: For program point L612(lines 612 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,073 INFO L425 ceAbstractionStarter]: For program point L150-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:09:41,073 INFO L425 ceAbstractionStarter]: For program point L84-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:09:41,074 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:09:41,074 INFO L425 ceAbstractionStarter]: For program point L1472(lines 1472 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,074 INFO L425 ceAbstractionStarter]: For program point L1274(lines 1274 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,074 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-18 14:09:41,074 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-18 14:09:41,074 INFO L425 ceAbstractionStarter]: For program point L746(lines 746 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,074 INFO L425 ceAbstractionStarter]: For program point L680(lines 680 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,074 INFO L425 ceAbstractionStarter]: For program point L548(lines 548 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,074 INFO L425 ceAbstractionStarter]: For program point L350(lines 350 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,074 INFO L425 ceAbstractionStarter]: For program point L1341(lines 1341 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,074 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,074 INFO L425 ceAbstractionStarter]: For program point L1143(lines 1143 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,074 INFO L425 ceAbstractionStarter]: For program point L1011(lines 1011 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,074 INFO L425 ceAbstractionStarter]: For program point L483(lines 483 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,074 INFO L425 ceAbstractionStarter]: For program point L417(lines 417 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,074 INFO L425 ceAbstractionStarter]: For program point L285(lines 285 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,074 INFO L425 ceAbstractionStarter]: For program point L153-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:09:41,075 INFO L425 ceAbstractionStarter]: For program point L87-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:09:41,075 INFO L425 ceAbstractionStarter]: For program point L1409(lines 1409 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,075 INFO L425 ceAbstractionStarter]: For program point L1211(lines 1211 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,075 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-18 14:09:41,075 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-18 14:09:41,075 INFO L425 ceAbstractionStarter]: For program point L1079(lines 1079 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,075 INFO L425 ceAbstractionStarter]: For program point L815(lines 815 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,075 INFO L425 ceAbstractionStarter]: For program point L948(lines 948 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,075 INFO L425 ceAbstractionStarter]: For program point L882(lines 882 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,075 INFO L425 ceAbstractionStarter]: For program point L618(lines 618 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,075 INFO L425 ceAbstractionStarter]: For program point L1477(lines 1477 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,075 INFO L425 ceAbstractionStarter]: For program point L156-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:09:41,075 INFO L425 ceAbstractionStarter]: For program point L90-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:09:41,075 INFO L425 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2018-11-18 14:09:41,075 INFO L425 ceAbstractionStarter]: For program point L24-2(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:09:41,075 INFO L425 ceAbstractionStarter]: For program point L1280(lines 1280 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,075 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,076 INFO L425 ceAbstractionStarter]: For program point L1214(lines 1214 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,076 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-18 14:09:41,076 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-18 14:09:41,076 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-18 14:09:41,076 INFO L425 ceAbstractionStarter]: For program point L752(lines 752 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,076 INFO L425 ceAbstractionStarter]: For program point L686(lines 686 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,076 INFO L425 ceAbstractionStarter]: For program point L554(lines 554 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,076 INFO L425 ceAbstractionStarter]: For program point L356(lines 356 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,076 INFO L425 ceAbstractionStarter]: For program point L1347(lines 1347 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,076 INFO L425 ceAbstractionStarter]: For program point L290(lines 290 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,076 INFO L425 ceAbstractionStarter]: For program point L1149(lines 1149 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,076 INFO L425 ceAbstractionStarter]: For program point L489(lines 489 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,076 INFO L425 ceAbstractionStarter]: For program point L159-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:09:41,076 INFO L425 ceAbstractionStarter]: For program point L93-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:09:41,076 INFO L425 ceAbstractionStarter]: For program point L27-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:09:41,076 INFO L425 ceAbstractionStarter]: For program point L1018(lines 1018 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,076 INFO L425 ceAbstractionStarter]: For program point L424(lines 424 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,077 INFO L425 ceAbstractionStarter]: For program point L1415(lines 1415 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,077 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-18 14:09:41,077 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-18 14:09:41,077 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-18 14:09:41,077 INFO L425 ceAbstractionStarter]: For program point L1086(lines 1086 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,077 INFO L425 ceAbstractionStarter]: For program point L954(lines 954 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,077 INFO L425 ceAbstractionStarter]: For program point L888(lines 888 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,077 INFO L425 ceAbstractionStarter]: For program point L822(lines 822 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,077 INFO L425 ceAbstractionStarter]: For program point L624(lines 624 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,077 INFO L425 ceAbstractionStarter]: For program point L162-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:09:41,077 INFO L425 ceAbstractionStarter]: For program point L96-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:09:41,077 INFO L425 ceAbstractionStarter]: For program point L30-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:09:41,077 INFO L425 ceAbstractionStarter]: For program point L691(lines 691 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,077 INFO L425 ceAbstractionStarter]: For program point L1484(lines 1484 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,077 INFO L425 ceAbstractionStarter]: For program point L427(lines 427 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,077 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,077 INFO L425 ceAbstractionStarter]: For program point L1286(lines 1286 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,078 INFO L425 ceAbstractionStarter]: For program point L229(lines 229 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,078 INFO L425 ceAbstractionStarter]: For program point L1220(lines 1220 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,078 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-18 14:09:41,078 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-18 14:09:41,078 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-18 14:09:41,078 INFO L425 ceAbstractionStarter]: For program point L758(lines 758 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,078 INFO L425 ceAbstractionStarter]: For program point L560(lines 560 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,078 INFO L425 ceAbstractionStarter]: For program point L1353(lines 1353 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,078 INFO L425 ceAbstractionStarter]: For program point L1155(lines 1155 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,078 INFO L425 ceAbstractionStarter]: For program point L495(lines 495 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,078 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,078 INFO L425 ceAbstractionStarter]: For program point L165-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:09:41,078 INFO L425 ceAbstractionStarter]: For program point L99-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:09:41,078 INFO L425 ceAbstractionStarter]: For program point L33-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 14:09:41,078 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-18 14:09:41,078 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-18 14:09:41,078 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-18 14:09:41,079 INFO L425 ceAbstractionStarter]: For program point L1025(lines 1025 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,079 INFO L425 ceAbstractionStarter]: For program point L1422(lines 1422 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,079 INFO L425 ceAbstractionStarter]: For program point L1092(lines 1092 1490) no Hoare annotation was computed. [2018-11-18 14:09:41,079 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 14:09:41,079 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (let ((.cse0 (+ ~a18~0 87))) (and (<= .cse0 0) (<= 0 .cse0) (= ~a16~0 11) (= 3 ~a15~0) (= ~a12~0 5))) [2018-11-18 14:09:41,079 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 14:09:41,079 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 14:09:41,079 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 1767 1783) the Hoare annotation is: (or (not (= 3 |old(~a15~0)|)) (not (= 5 |old(~a12~0)|)) (not (= 11 |old(~a16~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (and (= ~a16~0 |old(~a16~0)|) (= ~a12~0 5) (= |old(~a18~0)| ~a18~0) (= |old(~a15~0)| ~a15~0))) [2018-11-18 14:09:41,079 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 1767 1783) no Hoare annotation was computed. [2018-11-18 14:09:41,079 INFO L421 ceAbstractionStarter]: At program point L1781(line 1781) the Hoare annotation is: (let ((.cse13 (not (= ~a12~0 6))) (.cse14 (not (= ~a15~0 4))) (.cse12 (<= 12 ~a16~0))) (let ((.cse4 (and .cse12 (<= 10 |old(~a16~0)|))) (.cse5 (= |old(~a15~0)| ~a15~0)) (.cse0 (= 8 ~a16~0)) (.cse2 (= 7 ~a12~0)) (.cse3 (= 9 ~a16~0)) (.cse6 (= ~a16~0 10)) (.cse1 (exists ((v_prenex_31 Int)) (let ((.cse16 (* 9 v_prenex_31))) (let ((.cse17 (mod (+ (div .cse16 10) 1) 106))) (and (< .cse16 0) (= 0 .cse17) (<= ~a18~0 (+ .cse17 133)) (not (= (mod .cse16 10) 0)) (<= (+ v_prenex_31 156) 0)))))) (.cse10 (not (= main_~input~0 0))) (.cse11 (= ~a15~0 3)) (.cse8 (and (= |old(~a15~0)| 3) .cse13 .cse14 (not (= ~a16~0 12)) (or (= |old(~a12~0)| 9) (not (= 9 ~a12~0))))) (.cse15 (+ |old(~a18~0)| 87)) (.cse9 (not (= ~a12~0 8)))) (or (and .cse0 .cse1) (and .cse2 .cse3) (not (= 11 |old(~a16~0)|)) (and (and .cse4 .cse5) .cse1) (and (<= ~a12~0 6) .cse6) (and .cse4 (exists ((v_prenex_25 Int)) (let ((.cse7 (* 5 (div (* 10 v_prenex_25) (- 5))))) (and (<= (+ v_prenex_25 79) 0) (<= 5 .cse7) (<= (div .cse7 5) ~a18~0) (<= 0 .cse7)))) .cse5) (and .cse0 .cse8) (not (= 3 |old(~a15~0)|)) (and .cse0 .cse9) (and .cse10 .cse11 .cse2) (not (= 5 |old(~a12~0)|)) (and (= 4 ~a15~0) .cse3 .cse1) (and .cse12 .cse13 .cse14) (< 0 .cse15) (and .cse14 .cse6) (and .cse1 (and .cse10 (and (= ~a16~0 11) .cse11) (not (= ~a12~0 0)))) (and (= ~a16~0 9) (<= ~a18~0 134) (= 3 ~a15~0) .cse8) (< .cse15 0) (and (<= ~a16~0 9) (and .cse13 .cse14 .cse9))))) [2018-11-18 14:09:41,079 INFO L425 ceAbstractionStarter]: For program point L1781-1(line 1781) no Hoare annotation was computed. [2018-11-18 14:09:41,080 INFO L425 ceAbstractionStarter]: For program point L1778(line 1778) no Hoare annotation was computed. [2018-11-18 14:09:41,080 INFO L425 ceAbstractionStarter]: For program point L1773-1(lines 1773 1782) no Hoare annotation was computed. [2018-11-18 14:09:41,080 INFO L421 ceAbstractionStarter]: At program point L1773-3(lines 1773 1782) the Hoare annotation is: (let ((.cse12 (not (= ~a12~0 6))) (.cse13 (not (= ~a15~0 4))) (.cse11 (<= 12 ~a16~0))) (let ((.cse4 (and .cse11 (<= 10 |old(~a16~0)|))) (.cse5 (= |old(~a15~0)| ~a15~0)) (.cse0 (= 8 ~a16~0)) (.cse3 (= 9 ~a16~0)) (.cse1 (exists ((v_prenex_31 Int)) (let ((.cse15 (* 9 v_prenex_31))) (let ((.cse16 (mod (+ (div .cse15 10) 1) 106))) (and (< .cse15 0) (= 0 .cse16) (<= ~a18~0 (+ .cse16 133)) (not (= (mod .cse15 10) 0)) (<= (+ v_prenex_31 156) 0)))))) (.cse6 (= ~a16~0 10)) (.cse8 (and (= |old(~a15~0)| 3) .cse12 .cse13 (not (= ~a16~0 12)) (or (= |old(~a12~0)| 9) (not (= 9 ~a12~0))))) (.cse14 (+ |old(~a18~0)| 87)) (.cse10 (= ~a15~0 3)) (.cse2 (= 7 ~a12~0)) (.cse9 (not (= ~a12~0 8)))) (or (and .cse0 .cse1) (and .cse2 .cse3) (not (= 11 |old(~a16~0)|)) (and (and .cse4 .cse5) .cse1) (and (<= ~a12~0 6) .cse6) (and .cse4 (exists ((v_prenex_25 Int)) (let ((.cse7 (* 5 (div (* 10 v_prenex_25) (- 5))))) (and (<= (+ v_prenex_25 79) 0) (<= 5 .cse7) (<= (div .cse7 5) ~a18~0) (<= 0 .cse7)))) .cse5) (and .cse0 .cse8) (not (= 3 |old(~a15~0)|)) (and .cse0 .cse9) (not (= 5 |old(~a12~0)|)) (and (and (= ~a16~0 11) .cse10 (not (= ~a12~0 0))) .cse1) (and (= 4 ~a15~0) .cse3 .cse1) (and .cse11 .cse12 .cse13) (< 0 .cse14) (and .cse13 .cse6) (and (= ~a16~0 9) (<= ~a18~0 134) (= 3 ~a15~0) .cse8) (< .cse14 0) (and .cse10 .cse2) (and (<= ~a16~0 9) (and .cse12 .cse13 .cse9))))) [2018-11-18 14:09:41,080 INFO L425 ceAbstractionStarter]: For program point L1773-4(lines 1767 1783) no Hoare annotation was computed. [2018-11-18 14:09:41,084 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-11-18 14:09:41,085 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-11-18 14:09:41,085 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-11-18 14:09:41,085 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-11-18 14:09:41,086 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-11-18 14:09:41,086 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-11-18 14:09:41,086 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-11-18 14:09:41,086 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-11-18 14:09:41,087 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-11-18 14:09:41,087 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-11-18 14:09:41,087 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_25,QUANTIFIED] [2018-11-18 14:09:41,087 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_25,QUANTIFIED] [2018-11-18 14:09:41,087 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_25,QUANTIFIED] [2018-11-18 14:09:41,088 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_25,QUANTIFIED] [2018-11-18 14:09:41,088 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-11-18 14:09:41,088 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-11-18 14:09:41,088 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-11-18 14:09:41,088 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-11-18 14:09:41,088 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-11-18 14:09:41,089 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-11-18 14:09:41,089 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-11-18 14:09:41,089 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-11-18 14:09:41,089 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-11-18 14:09:41,089 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-11-18 14:09:41,094 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-11-18 14:09:41,095 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-11-18 14:09:41,095 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-11-18 14:09:41,095 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-11-18 14:09:41,095 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-11-18 14:09:41,095 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-11-18 14:09:41,096 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-11-18 14:09:41,096 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-11-18 14:09:41,096 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-11-18 14:09:41,096 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-11-18 14:09:41,096 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_25,QUANTIFIED] [2018-11-18 14:09:41,097 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_25,QUANTIFIED] [2018-11-18 14:09:41,097 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_25,QUANTIFIED] [2018-11-18 14:09:41,097 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_25,QUANTIFIED] [2018-11-18 14:09:41,097 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-11-18 14:09:41,097 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-11-18 14:09:41,098 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-11-18 14:09:41,098 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-11-18 14:09:41,098 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-11-18 14:09:41,098 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-11-18 14:09:41,098 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-11-18 14:09:41,098 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-11-18 14:09:41,099 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-11-18 14:09:41,099 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-11-18 14:09:41,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 02:09:41 BoogieIcfgContainer [2018-11-18 14:09:41,102 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 14:09:41,102 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 14:09:41,102 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 14:09:41,102 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 14:09:41,103 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:01:43" (3/4) ... [2018-11-18 14:09:41,105 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 14:09:41,110 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 14:09:41,110 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output2 [2018-11-18 14:09:41,110 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 14:09:41,111 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 14:09:41,128 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-18 14:09:41,130 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 14:09:41,154 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((8 == a16 && (\exists v_prenex_31 : int :: (((9 * v_prenex_31 < 0 && 0 == (9 * v_prenex_31 / 10 + 1) % 106) && a18 <= (9 * v_prenex_31 / 10 + 1) % 106 + 133) && !(9 * v_prenex_31 % 10 == 0)) && v_prenex_31 + 156 <= 0)) || (7 == a12 && 9 == a16)) || !(11 == \old(a16))) || (((12 <= a16 && 10 <= \old(a16)) && \old(a15) == a15) && (\exists v_prenex_31 : int :: (((9 * v_prenex_31 < 0 && 0 == (9 * v_prenex_31 / 10 + 1) % 106) && a18 <= (9 * v_prenex_31 / 10 + 1) % 106 + 133) && !(9 * v_prenex_31 % 10 == 0)) && v_prenex_31 + 156 <= 0))) || (a12 <= 6 && a16 == 10)) || (((12 <= a16 && 10 <= \old(a16)) && (\exists v_prenex_25 : int :: ((v_prenex_25 + 79 <= 0 && 5 <= 5 * (10 * v_prenex_25 / -5)) && 5 * (10 * v_prenex_25 / -5) / 5 <= a18) && 0 <= 5 * (10 * v_prenex_25 / -5))) && \old(a15) == a15)) || (8 == a16 && (((\old(a15) == 3 && !(a12 == 6)) && !(a15 == 4)) && !(a16 == 12)) && (\old(a12) == 9 || !(9 == a12)))) || !(3 == \old(a15))) || (8 == a16 && !(a12 == 8))) || !(5 == \old(a12))) || (((a16 == 11 && a15 == 3) && !(a12 == 0)) && (\exists v_prenex_31 : int :: (((9 * v_prenex_31 < 0 && 0 == (9 * v_prenex_31 / 10 + 1) % 106) && a18 <= (9 * v_prenex_31 / 10 + 1) % 106 + 133) && !(9 * v_prenex_31 % 10 == 0)) && v_prenex_31 + 156 <= 0))) || ((4 == a15 && 9 == a16) && (\exists v_prenex_31 : int :: (((9 * v_prenex_31 < 0 && 0 == (9 * v_prenex_31 / 10 + 1) % 106) && a18 <= (9 * v_prenex_31 / 10 + 1) % 106 + 133) && !(9 * v_prenex_31 % 10 == 0)) && v_prenex_31 + 156 <= 0))) || ((12 <= a16 && !(a12 == 6)) && !(a15 == 4))) || 0 < \old(a18) + 87) || (!(a15 == 4) && a16 == 10)) || (((a16 == 9 && a18 <= 134) && 3 == a15) && (((\old(a15) == 3 && !(a12 == 6)) && !(a15 == 4)) && !(a16 == 12)) && (\old(a12) == 9 || !(9 == a12)))) || \old(a18) + 87 < 0) || (a15 == 3 && 7 == a12)) || (a16 <= 9 && (!(a12 == 6) && !(a15 == 4)) && !(a12 == 8)) [2018-11-18 14:09:41,278 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_477bd162-bd8f-4d8d-9592-a8a7ddb06468/bin-2019/utaipan/witness.graphml [2018-11-18 14:09:41,279 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 14:09:41,279 INFO L168 Benchmark]: Toolchain (without parser) took 480630.99 ms. Allocated memory was 1.0 GB in the beginning and 5.3 GB in the end (delta: 4.3 GB). Free memory was 954.3 MB in the beginning and 4.2 GB in the end (delta: -3.2 GB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-11-18 14:09:41,280 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:09:41,280 INFO L168 Benchmark]: CACSL2BoogieTranslator took 612.27 ms. Allocated memory is still 1.0 GB. Free memory was 954.3 MB in the beginning and 879.1 MB in the end (delta: 75.2 MB). Peak memory consumption was 75.2 MB. Max. memory is 11.5 GB. [2018-11-18 14:09:41,280 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 180.4 MB). Free memory was 879.1 MB in the beginning and 1.2 GB in the end (delta: -286.8 MB). Peak memory consumption was 27.0 MB. Max. memory is 11.5 GB. [2018-11-18 14:09:41,280 INFO L168 Benchmark]: Boogie Preprocessor took 81.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. [2018-11-18 14:09:41,281 INFO L168 Benchmark]: RCFGBuilder took 2170.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 908.4 MB in the end (delta: 247.7 MB). Peak memory consumption was 247.7 MB. Max. memory is 11.5 GB. [2018-11-18 14:09:41,281 INFO L168 Benchmark]: TraceAbstraction took 477483.26 ms. Allocated memory was 1.2 GB in the beginning and 5.3 GB in the end (delta: 4.1 GB). Free memory was 908.4 MB in the beginning and 4.3 GB in the end (delta: -3.3 GB). Peak memory consumption was 4.4 GB. Max. memory is 11.5 GB. [2018-11-18 14:09:41,281 INFO L168 Benchmark]: Witness Printer took 176.61 ms. Allocated memory is still 5.3 GB. Free memory was 4.3 GB in the beginning and 4.2 GB in the end (delta: 79.1 MB). Peak memory consumption was 79.1 MB. Max. memory is 11.5 GB. [2018-11-18 14:09:41,283 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 612.27 ms. Allocated memory is still 1.0 GB. Free memory was 954.3 MB in the beginning and 879.1 MB in the end (delta: 75.2 MB). Peak memory consumption was 75.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 103.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 180.4 MB). Free memory was 879.1 MB in the beginning and 1.2 GB in the end (delta: -286.8 MB). Peak memory consumption was 27.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 81.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2170.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 908.4 MB in the end (delta: 247.7 MB). Peak memory consumption was 247.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 477483.26 ms. Allocated memory was 1.2 GB in the beginning and 5.3 GB in the end (delta: 4.1 GB). Free memory was 908.4 MB in the beginning and 4.3 GB in the end (delta: -3.3 GB). Peak memory consumption was 4.4 GB. Max. memory is 11.5 GB. * Witness Printer took 176.61 ms. Allocated memory is still 5.3 GB. Free memory was 4.3 GB in the beginning and 4.2 GB in the end (delta: 79.1 MB). Peak memory consumption was 79.1 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_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_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_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_25,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_25,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_25,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_25,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_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_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_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_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_prenex_25,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_25,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_25,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_25,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_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_prenex_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 109]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1773]: Loop Invariant [2018-11-18 14:09:41,286 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-11-18 14:09:41,286 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-11-18 14:09:41,286 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-11-18 14:09:41,287 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-11-18 14:09:41,287 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-11-18 14:09:41,287 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-11-18 14:09:41,287 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-11-18 14:09:41,287 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-11-18 14:09:41,288 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-11-18 14:09:41,288 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-11-18 14:09:41,288 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_25,QUANTIFIED] [2018-11-18 14:09:41,288 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_25,QUANTIFIED] [2018-11-18 14:09:41,288 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_25,QUANTIFIED] [2018-11-18 14:09:41,288 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_25,QUANTIFIED] [2018-11-18 14:09:41,289 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-11-18 14:09:41,289 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-11-18 14:09:41,289 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-11-18 14:09:41,289 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-11-18 14:09:41,289 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-11-18 14:09:41,289 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-11-18 14:09:41,290 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-11-18 14:09:41,290 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-11-18 14:09:41,290 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-11-18 14:09:41,290 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-11-18 14:09:41,291 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-11-18 14:09:41,291 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-11-18 14:09:41,291 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-11-18 14:09:41,291 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-11-18 14:09:41,292 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-11-18 14:09:41,292 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-11-18 14:09:41,292 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-11-18 14:09:41,292 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-11-18 14:09:41,292 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-11-18 14:09:41,293 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-11-18 14:09:41,293 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_25,QUANTIFIED] [2018-11-18 14:09:41,293 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_25,QUANTIFIED] [2018-11-18 14:09:41,293 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_25,QUANTIFIED] [2018-11-18 14:09:41,293 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_25,QUANTIFIED] [2018-11-18 14:09:41,293 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-11-18 14:09:41,294 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-11-18 14:09:41,294 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-11-18 14:09:41,294 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-11-18 14:09:41,294 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-11-18 14:09:41,294 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-11-18 14:09:41,294 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-11-18 14:09:41,294 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-11-18 14:09:41,295 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] [2018-11-18 14:09:41,295 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_31,QUANTIFIED] Derived loop invariant: ((((((((((((((((((8 == a16 && (\exists v_prenex_31 : int :: (((9 * v_prenex_31 < 0 && 0 == (9 * v_prenex_31 / 10 + 1) % 106) && a18 <= (9 * v_prenex_31 / 10 + 1) % 106 + 133) && !(9 * v_prenex_31 % 10 == 0)) && v_prenex_31 + 156 <= 0)) || (7 == a12 && 9 == a16)) || !(11 == \old(a16))) || (((12 <= a16 && 10 <= \old(a16)) && \old(a15) == a15) && (\exists v_prenex_31 : int :: (((9 * v_prenex_31 < 0 && 0 == (9 * v_prenex_31 / 10 + 1) % 106) && a18 <= (9 * v_prenex_31 / 10 + 1) % 106 + 133) && !(9 * v_prenex_31 % 10 == 0)) && v_prenex_31 + 156 <= 0))) || (a12 <= 6 && a16 == 10)) || (((12 <= a16 && 10 <= \old(a16)) && (\exists v_prenex_25 : int :: ((v_prenex_25 + 79 <= 0 && 5 <= 5 * (10 * v_prenex_25 / -5)) && 5 * (10 * v_prenex_25 / -5) / 5 <= a18) && 0 <= 5 * (10 * v_prenex_25 / -5))) && \old(a15) == a15)) || (8 == a16 && (((\old(a15) == 3 && !(a12 == 6)) && !(a15 == 4)) && !(a16 == 12)) && (\old(a12) == 9 || !(9 == a12)))) || !(3 == \old(a15))) || (8 == a16 && !(a12 == 8))) || !(5 == \old(a12))) || (((a16 == 11 && a15 == 3) && !(a12 == 0)) && (\exists v_prenex_31 : int :: (((9 * v_prenex_31 < 0 && 0 == (9 * v_prenex_31 / 10 + 1) % 106) && a18 <= (9 * v_prenex_31 / 10 + 1) % 106 + 133) && !(9 * v_prenex_31 % 10 == 0)) && v_prenex_31 + 156 <= 0))) || ((4 == a15 && 9 == a16) && (\exists v_prenex_31 : int :: (((9 * v_prenex_31 < 0 && 0 == (9 * v_prenex_31 / 10 + 1) % 106) && a18 <= (9 * v_prenex_31 / 10 + 1) % 106 + 133) && !(9 * v_prenex_31 % 10 == 0)) && v_prenex_31 + 156 <= 0))) || ((12 <= a16 && !(a12 == 6)) && !(a15 == 4))) || 0 < \old(a18) + 87) || (!(a15 == 4) && a16 == 10)) || (((a16 == 9 && a18 <= 134) && 3 == a15) && (((\old(a15) == 3 && !(a12 == 6)) && !(a15 == 4)) && !(a16 == 12)) && (\old(a12) == 9 || !(9 == a12)))) || \old(a18) + 87 < 0) || (a15 == 3 && 7 == a12)) || (a16 <= 9 && (!(a12 == 6) && !(a15 == 4)) && !(a12 == 8)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 410 locations, 1 error locations. SAFE Result, 477.4s OverallTime, 19 OverallIterations, 12 TraceHistogramMax, 413.4s AutomataDifference, 0.0s DeadEndRemovalTime, 14.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 3806 SDtfs, 49317 SDslu, 6899 SDs, 0 SdLazy, 114649 SolverSat, 10808 SolverUnsat, 44 SolverUnknown, 0 SolverNotchecked, 376.4s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 29223 GetRequests, 28735 SyntacticMatches, 29 SemanticMatches, 459 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7734 ImplicationChecksByTransitivity, 6.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22512occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 7.3s AbstIntTime, 14 AbstIntIterations, 4 AbstIntStrong, 0.997956587927741 AbsIntWeakeningRatio, 0.06490872210953347 AbsIntAvgWeakeningVarsNumRemoved, 15.649594320486816 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 2.3s AutomataMinimizationTime, 19 MinimizatonAttempts, 6672 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 2521 PreInvPairs, 4069 NumberOfFragments, 3194 HoareAnnotationTreeSize, 2521 FomulaSimplifications, 262751 FormulaSimplificationTreeSizeReduction, 2.7s HoareSimplificationTime, 9 FomulaSimplificationsInter, 138991 FormulaSimplificationTreeSizeReductionInter, 11.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.5s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 19.7s InterpolantComputationTime, 30375 NumberOfCodeBlocks, 30375 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 43641 ConstructedInterpolants, 44 QuantifiedInterpolants, 198050697 SizeOfPredicates, 12 NumberOfNonLiveVariables, 17302 ConjunctsInSsa, 61 ConjunctsInUnsatCore, 39 InterpolantComputations, 9 PerfectInterpolantSequences, 115006/127206 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...