./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label32_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_bd658a5a-8cb3-4f4b-b669-50ccc15e0342/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_bd658a5a-8cb3-4f4b-b669-50ccc15e0342/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_bd658a5a-8cb3-4f4b-b669-50ccc15e0342/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_bd658a5a-8cb3-4f4b-b669-50ccc15e0342/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label32_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_bd658a5a-8cb3-4f4b-b669-50ccc15e0342/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_bd658a5a-8cb3-4f4b-b669-50ccc15e0342/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 7c969b2b0da4d126f61f6a2cc248b9cb3e53506e .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 11:22:32,519 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:22:32,520 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:22:32,528 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:22:32,528 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:22:32,528 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:22:32,529 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:22:32,530 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:22:32,531 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:22:32,532 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:22:32,532 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:22:32,533 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:22:32,533 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:22:32,534 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:22:32,534 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:22:32,535 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:22:32,535 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:22:32,537 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:22:32,538 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:22:32,539 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:22:32,540 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:22:32,540 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:22:32,542 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:22:32,542 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:22:32,542 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:22:32,543 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:22:32,544 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:22:32,544 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:22:32,545 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:22:32,545 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:22:32,546 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:22:32,546 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:22:32,546 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:22:32,546 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:22:32,547 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:22:32,547 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:22:32,548 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_bd658a5a-8cb3-4f4b-b669-50ccc15e0342/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 11:22:32,557 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:22:32,558 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:22:32,558 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:22:32,558 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 11:22:32,559 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 11:22:32,559 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 11:22:32,559 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 11:22:32,559 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 11:22:32,559 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 11:22:32,559 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 11:22:32,559 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 11:22:32,559 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 11:22:32,560 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 11:22:32,560 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:22:32,560 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:22:32,560 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:22:32,561 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:22:32,561 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:22:32,561 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:22:32,561 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:22:32,561 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:22:32,561 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:22:32,561 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:22:32,562 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:22:32,562 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:22:32,562 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:22:32,562 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:22:32,562 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:22:32,562 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 11:22:32,562 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 11:22:32,563 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:22:32,563 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:22:32,563 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:22:32,563 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 11:22:32,563 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:22:32,563 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 11:22:32,563 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 11:22:32,563 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_bd658a5a-8cb3-4f4b-b669-50ccc15e0342/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 -> 7c969b2b0da4d126f61f6a2cc248b9cb3e53506e [2018-11-18 11:22:32,585 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:22:32,593 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:22:32,595 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:22:32,596 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:22:32,596 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:22:32,597 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_bd658a5a-8cb3-4f4b-b669-50ccc15e0342/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem16_label32_true-unreach-call.c [2018-11-18 11:22:32,628 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bd658a5a-8cb3-4f4b-b669-50ccc15e0342/bin-2019/utaipan/data/44940a481/aaa15dbe542745398b4ed3cb30d8bd3c/FLAG2094dff0a [2018-11-18 11:22:33,023 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:22:33,024 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_bd658a5a-8cb3-4f4b-b669-50ccc15e0342/sv-benchmarks/c/eca-rers2012/Problem16_label32_true-unreach-call.c [2018-11-18 11:22:33,034 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bd658a5a-8cb3-4f4b-b669-50ccc15e0342/bin-2019/utaipan/data/44940a481/aaa15dbe542745398b4ed3cb30d8bd3c/FLAG2094dff0a [2018-11-18 11:22:33,043 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_bd658a5a-8cb3-4f4b-b669-50ccc15e0342/bin-2019/utaipan/data/44940a481/aaa15dbe542745398b4ed3cb30d8bd3c [2018-11-18 11:22:33,045 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:22:33,046 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:22:33,047 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:22:33,047 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:22:33,049 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:22:33,049 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:22:33" (1/1) ... [2018-11-18 11:22:33,051 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4959e04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:22:33, skipping insertion in model container [2018-11-18 11:22:33,051 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:22:33" (1/1) ... [2018-11-18 11:22:33,057 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:22:33,099 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:22:33,487 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:22:33,490 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:22:33,666 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:22:33,769 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:22:33,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:22:33 WrapperNode [2018-11-18 11:22:33,769 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:22:33,770 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:22:33,770 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:22:33,770 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:22:33,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:22:33" (1/1) ... [2018-11-18 11:22:33,793 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:22:33" (1/1) ... [2018-11-18 11:22:33,800 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:22:33,800 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:22:33,800 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:22:33,800 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:22:33,807 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:22:33" (1/1) ... [2018-11-18 11:22:33,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:22:33" (1/1) ... [2018-11-18 11:22:33,812 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:22:33" (1/1) ... [2018-11-18 11:22:33,812 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:22:33" (1/1) ... [2018-11-18 11:22:33,845 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:22:33" (1/1) ... [2018-11-18 11:22:33,855 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:22:33" (1/1) ... [2018-11-18 11:22:33,864 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:22:33" (1/1) ... [2018-11-18 11:22:33,872 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:22:33,872 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:22:33,872 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:22:33,872 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:22:33,873 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:22:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bd658a5a-8cb3-4f4b-b669-50ccc15e0342/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 11:22:33,915 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 11:22:33,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 11:22:33,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 11:22:33,916 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-18 11:22:33,916 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-18 11:22:33,916 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 11:22:33,916 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 11:22:33,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:22:33,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:22:33,917 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 11:22:33,917 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 11:22:35,599 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:22:35,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:22:35 BoogieIcfgContainer [2018-11-18 11:22:35,600 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:22:35,601 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 11:22:35,601 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 11:22:35,603 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 11:22:35,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:22:33" (1/3) ... [2018-11-18 11:22:35,604 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cadb188 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:22:35, skipping insertion in model container [2018-11-18 11:22:35,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:22:33" (2/3) ... [2018-11-18 11:22:35,604 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cadb188 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:22:35, skipping insertion in model container [2018-11-18 11:22:35,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:22:35" (3/3) ... [2018-11-18 11:22:35,605 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label32_true-unreach-call.c [2018-11-18 11:22:35,624 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 11:22:35,631 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 11:22:35,645 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 11:22:35,674 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 11:22:35,674 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 11:22:35,674 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 11:22:35,674 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:22:35,674 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:22:35,677 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 11:22:35,677 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:22:35,677 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 11:22:35,702 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states. [2018-11-18 11:22:35,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-18 11:22:35,709 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:22:35,710 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:22:35,711 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:22:35,716 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:22:35,716 INFO L82 PathProgramCache]: Analyzing trace with hash 1067994659, now seen corresponding path program 1 times [2018-11-18 11:22:35,718 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:22:35,760 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:22:35,760 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:22:35,760 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:22:35,760 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:22:35,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:35,949 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 11:22:35,951 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:22:35,951 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 11:22:35,951 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:22:35,956 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 11:22:35,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:22:35,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:22:35,970 INFO L87 Difference]: Start difference. First operand 410 states. Second operand 3 states. [2018-11-18 11:22:37,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:22:37,212 INFO L93 Difference]: Finished difference Result 1156 states and 2144 transitions. [2018-11-18 11:22:37,215 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:22:37,216 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2018-11-18 11:22:37,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:22:37,229 INFO L225 Difference]: With dead ends: 1156 [2018-11-18 11:22:37,229 INFO L226 Difference]: Without dead ends: 744 [2018-11-18 11:22:37,235 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 11:22:37,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2018-11-18 11:22:37,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 744. [2018-11-18 11:22:37,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2018-11-18 11:22:37,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1355 transitions. [2018-11-18 11:22:37,288 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1355 transitions. Word has length 55 [2018-11-18 11:22:37,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:22:37,289 INFO L480 AbstractCegarLoop]: Abstraction has 744 states and 1355 transitions. [2018-11-18 11:22:37,289 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 11:22:37,289 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1355 transitions. [2018-11-18 11:22:37,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-11-18 11:22:37,293 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:22:37,294 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:22:37,294 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:22:37,294 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:22:37,294 INFO L82 PathProgramCache]: Analyzing trace with hash 1474010228, now seen corresponding path program 1 times [2018-11-18 11:22:37,294 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:22:37,295 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:22:37,295 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:22:37,295 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:22:37,296 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:22:37,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:37,406 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:22:37,407 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:22:37,407 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 11:22:37,407 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:22:37,410 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 11:22:37,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 11:22:37,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 11:22:37,412 INFO L87 Difference]: Start difference. First operand 744 states and 1355 transitions. Second operand 5 states. [2018-11-18 11:22:39,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:22:39,198 INFO L93 Difference]: Finished difference Result 2194 states and 4083 transitions. [2018-11-18 11:22:39,198 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 11:22:39,198 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 125 [2018-11-18 11:22:39,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:22:39,206 INFO L225 Difference]: With dead ends: 2194 [2018-11-18 11:22:39,206 INFO L226 Difference]: Without dead ends: 1456 [2018-11-18 11:22:39,209 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 11:22:39,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1456 states. [2018-11-18 11:22:39,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1456 to 1436. [2018-11-18 11:22:39,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1436 states. [2018-11-18 11:22:39,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1436 states to 1436 states and 2550 transitions. [2018-11-18 11:22:39,252 INFO L78 Accepts]: Start accepts. Automaton has 1436 states and 2550 transitions. Word has length 125 [2018-11-18 11:22:39,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:22:39,252 INFO L480 AbstractCegarLoop]: Abstraction has 1436 states and 2550 transitions. [2018-11-18 11:22:39,252 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 11:22:39,252 INFO L276 IsEmpty]: Start isEmpty. Operand 1436 states and 2550 transitions. [2018-11-18 11:22:39,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-18 11:22:39,255 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:22:39,256 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, 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] [2018-11-18 11:22:39,256 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:22:39,256 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:22:39,256 INFO L82 PathProgramCache]: Analyzing trace with hash -1726683851, now seen corresponding path program 1 times [2018-11-18 11:22:39,256 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:22:39,257 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:22:39,257 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:22:39,258 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:22:39,258 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:22:39,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:39,403 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:22:39,403 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:22:39,403 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 11:22:39,403 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:22:39,404 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 11:22:39,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 11:22:39,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 11:22:39,404 INFO L87 Difference]: Start difference. First operand 1436 states and 2550 transitions. Second operand 6 states. [2018-11-18 11:22:41,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:22:41,226 INFO L93 Difference]: Finished difference Result 3936 states and 7024 transitions. [2018-11-18 11:22:41,227 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 11:22:41,227 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 154 [2018-11-18 11:22:41,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:22:41,238 INFO L225 Difference]: With dead ends: 3936 [2018-11-18 11:22:41,238 INFO L226 Difference]: Without dead ends: 2506 [2018-11-18 11:22:41,244 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 11:22:41,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2506 states. [2018-11-18 11:22:41,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2506 to 2479. [2018-11-18 11:22:41,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2479 states. [2018-11-18 11:22:41,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2479 states to 2479 states and 3996 transitions. [2018-11-18 11:22:41,300 INFO L78 Accepts]: Start accepts. Automaton has 2479 states and 3996 transitions. Word has length 154 [2018-11-18 11:22:41,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:22:41,300 INFO L480 AbstractCegarLoop]: Abstraction has 2479 states and 3996 transitions. [2018-11-18 11:22:41,301 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 11:22:41,301 INFO L276 IsEmpty]: Start isEmpty. Operand 2479 states and 3996 transitions. [2018-11-18 11:22:41,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-18 11:22:41,303 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:22:41,304 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:22:41,304 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:22:41,304 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:22:41,304 INFO L82 PathProgramCache]: Analyzing trace with hash 1509581241, now seen corresponding path program 1 times [2018-11-18 11:22:41,304 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:22:41,305 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:22:41,305 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:22:41,305 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:22:41,305 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:22:41,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:41,424 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:22:41,425 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:22:41,425 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 11:22:41,425 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:22:41,426 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 11:22:41,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 11:22:41,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 11:22:41,427 INFO L87 Difference]: Start difference. First operand 2479 states and 3996 transitions. Second operand 6 states. [2018-11-18 11:22:42,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:22:42,748 INFO L93 Difference]: Finished difference Result 6050 states and 9896 transitions. [2018-11-18 11:22:42,748 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 11:22:42,748 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 172 [2018-11-18 11:22:42,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:22:42,760 INFO L225 Difference]: With dead ends: 6050 [2018-11-18 11:22:42,760 INFO L226 Difference]: Without dead ends: 3577 [2018-11-18 11:22:42,767 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 11:22:42,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3577 states. [2018-11-18 11:22:42,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3577 to 3545. [2018-11-18 11:22:42,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3545 states. [2018-11-18 11:22:42,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3545 states to 3545 states and 4965 transitions. [2018-11-18 11:22:42,838 INFO L78 Accepts]: Start accepts. Automaton has 3545 states and 4965 transitions. Word has length 172 [2018-11-18 11:22:42,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:22:42,838 INFO L480 AbstractCegarLoop]: Abstraction has 3545 states and 4965 transitions. [2018-11-18 11:22:42,838 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 11:22:42,838 INFO L276 IsEmpty]: Start isEmpty. Operand 3545 states and 4965 transitions. [2018-11-18 11:22:42,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2018-11-18 11:22:42,842 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:22:42,842 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:22:42,842 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:22:42,842 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:22:42,842 INFO L82 PathProgramCache]: Analyzing trace with hash -2114046403, now seen corresponding path program 1 times [2018-11-18 11:22:42,843 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:22:42,843 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:22:42,843 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:22:42,843 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:22:42,844 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:22:42,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:42,982 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 115 proven. 46 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 11:22:42,982 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:22:42,983 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:22:42,983 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 256 with the following transitions: [2018-11-18 11:22:42,985 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], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [519], [521], [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 11:22:43,022 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:22:43,022 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:22:43,325 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 11:22:43,327 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 11:22:43,337 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:22:43,338 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 11:22:43,680 INFO L227 lantSequenceWeakener]: Weakened 246 states. On average, predicates are now at 77.99% of their original sizes. [2018-11-18 11:22:43,680 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 11:22:43,702 INFO L415 sIntCurrentIteration]: We unified 254 AI predicates to 254 [2018-11-18 11:22:43,702 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 11:22:43,703 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 11:22:43,703 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2018-11-18 11:22:43,703 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:22:43,704 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 11:22:43,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 11:22:43,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 11:22:43,704 INFO L87 Difference]: Start difference. First operand 3545 states and 4965 transitions. Second operand 6 states. [2018-11-18 11:23:15,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:23:15,663 INFO L93 Difference]: Finished difference Result 7424 states and 10344 transitions. [2018-11-18 11:23:15,663 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 11:23:15,663 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 255 [2018-11-18 11:23:15,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:23:15,671 INFO L225 Difference]: With dead ends: 7424 [2018-11-18 11:23:15,671 INFO L226 Difference]: Without dead ends: 3885 [2018-11-18 11:23:15,677 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 255 GetRequests, 250 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 11:23:15,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3885 states. [2018-11-18 11:23:15,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3885 to 3883. [2018-11-18 11:23:15,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3883 states. [2018-11-18 11:23:15,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3883 states to 3883 states and 5311 transitions. [2018-11-18 11:23:15,746 INFO L78 Accepts]: Start accepts. Automaton has 3883 states and 5311 transitions. Word has length 255 [2018-11-18 11:23:15,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:23:15,747 INFO L480 AbstractCegarLoop]: Abstraction has 3883 states and 5311 transitions. [2018-11-18 11:23:15,747 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 11:23:15,747 INFO L276 IsEmpty]: Start isEmpty. Operand 3883 states and 5311 transitions. [2018-11-18 11:23:15,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2018-11-18 11:23:15,752 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:23:15,753 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, 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, 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 11:23:15,753 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:23:15,753 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:23:15,753 INFO L82 PathProgramCache]: Analyzing trace with hash -877306342, now seen corresponding path program 1 times [2018-11-18 11:23:15,753 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:23:15,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:23:15,754 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:23:15,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:23:15,754 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:23:15,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:23:16,024 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 216 proven. 115 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-11-18 11:23:16,025 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:23:16,025 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:23:16,025 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 348 with the following transitions: [2018-11-18 11:23:16,025 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], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [519], [521], [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 11:23:16,029 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:23:16,029 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:23:16,291 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 11:23:16,291 INFO L272 AbstractInterpreter]: Visited 139 different actions 404 times. Merged at 5 different actions 9 times. Never widened. Performed 4096 root evaluator evaluations with a maximum evaluation depth of 7. Performed 4096 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 11:23:16,301 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:23:16,301 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 11:23:16,658 INFO L227 lantSequenceWeakener]: Weakened 344 states. On average, predicates are now at 80.54% of their original sizes. [2018-11-18 11:23:16,658 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 11:23:16,719 INFO L415 sIntCurrentIteration]: We unified 346 AI predicates to 346 [2018-11-18 11:23:16,719 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 11:23:16,720 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 11:23:16,720 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [7] total 15 [2018-11-18 11:23:16,720 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:23:16,720 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 11:23:16,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 11:23:16,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 11:23:16,721 INFO L87 Difference]: Start difference. First operand 3883 states and 5311 transitions. Second operand 10 states. [2018-11-18 11:23:56,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:23:56,313 INFO L93 Difference]: Finished difference Result 9062 states and 12453 transitions. [2018-11-18 11:23:56,313 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-18 11:23:56,313 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 347 [2018-11-18 11:23:56,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:23:56,325 INFO L225 Difference]: With dead ends: 9062 [2018-11-18 11:23:56,325 INFO L226 Difference]: Without dead ends: 5523 [2018-11-18 11:23:56,332 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 356 GetRequests, 338 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-18 11:23:56,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5523 states. [2018-11-18 11:23:56,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5523 to 5486. [2018-11-18 11:23:56,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5486 states. [2018-11-18 11:23:56,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5486 states to 5486 states and 7100 transitions. [2018-11-18 11:23:56,483 INFO L78 Accepts]: Start accepts. Automaton has 5486 states and 7100 transitions. Word has length 347 [2018-11-18 11:23:56,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:23:56,483 INFO L480 AbstractCegarLoop]: Abstraction has 5486 states and 7100 transitions. [2018-11-18 11:23:56,484 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 11:23:56,484 INFO L276 IsEmpty]: Start isEmpty. Operand 5486 states and 7100 transitions. [2018-11-18 11:23:56,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 496 [2018-11-18 11:23:56,495 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:23:56,496 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 11:23:56,496 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:23:56,496 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:23:56,496 INFO L82 PathProgramCache]: Analyzing trace with hash 1298493058, now seen corresponding path program 1 times [2018-11-18 11:23:56,496 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:23:56,497 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:23:56,497 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:23:56,497 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:23:56,497 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:23:56,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:23:56,767 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 236 proven. 46 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2018-11-18 11:23:56,768 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:23:56,768 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:23:56,768 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 496 with the following transitions: [2018-11-18 11:23:56,769 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], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [519], [521], [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 11:23:56,774 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:23:56,775 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:23:57,105 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 11:23:57,105 INFO L272 AbstractInterpreter]: Visited 250 different actions 743 times. Merged at 8 different actions 17 times. Never widened. Performed 8340 root evaluator evaluations with a maximum evaluation depth of 18. Performed 8340 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 11:23:57,110 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:23:57,111 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 11:23:57,112 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:23:57,112 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bd658a5a-8cb3-4f4b-b669-50ccc15e0342/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 11:23:57,123 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:23:57,124 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 11:23:57,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:23:57,214 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:23:57,382 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2018-11-18 11:23:57,382 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 11:23:57,543 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2018-11-18 11:23:57,568 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 11:23:57,569 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5] total 7 [2018-11-18 11:23:57,569 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:23:57,570 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 11:23:57,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:23:57,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-18 11:23:57,570 INFO L87 Difference]: Start difference. First operand 5486 states and 7100 transitions. Second operand 3 states. [2018-11-18 11:23:58,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:23:58,503 INFO L93 Difference]: Finished difference Result 10628 states and 13855 transitions. [2018-11-18 11:23:58,504 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:23:58,504 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 495 [2018-11-18 11:23:58,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:23:58,514 INFO L225 Difference]: With dead ends: 10628 [2018-11-18 11:23:58,514 INFO L226 Difference]: Without dead ends: 5486 [2018-11-18 11:23:58,523 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 996 GetRequests, 991 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 11:23:58,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5486 states. [2018-11-18 11:23:58,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5486 to 5486. [2018-11-18 11:23:58,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5486 states. [2018-11-18 11:23:58,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5486 states to 5486 states and 6798 transitions. [2018-11-18 11:23:58,585 INFO L78 Accepts]: Start accepts. Automaton has 5486 states and 6798 transitions. Word has length 495 [2018-11-18 11:23:58,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:23:58,586 INFO L480 AbstractCegarLoop]: Abstraction has 5486 states and 6798 transitions. [2018-11-18 11:23:58,586 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 11:23:58,586 INFO L276 IsEmpty]: Start isEmpty. Operand 5486 states and 6798 transitions. [2018-11-18 11:23:58,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 520 [2018-11-18 11:23:58,594 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:23:58,594 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, 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, 1, 1, 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 11:23:58,595 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:23:58,595 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:23:58,595 INFO L82 PathProgramCache]: Analyzing trace with hash -1179913331, now seen corresponding path program 1 times [2018-11-18 11:23:58,595 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:23:58,596 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:23:58,596 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:23:58,596 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:23:58,596 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:23:58,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:23:59,085 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 72 proven. 243 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 11:23:59,086 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:23:59,086 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:23:59,086 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 520 with the following transitions: [2018-11-18 11:23:59,086 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], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [519], [521], [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 11:23:59,090 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:23:59,091 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:23:59,324 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 11:23:59,324 INFO L272 AbstractInterpreter]: Visited 248 different actions 737 times. Merged at 7 different actions 15 times. Never widened. Performed 8247 root evaluator evaluations with a maximum evaluation depth of 8. Performed 8247 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 11:23:59,337 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:23:59,337 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 11:23:59,682 INFO L227 lantSequenceWeakener]: Weakened 516 states. On average, predicates are now at 80.3% of their original sizes. [2018-11-18 11:23:59,682 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 11:23:59,745 INFO L415 sIntCurrentIteration]: We unified 518 AI predicates to 518 [2018-11-18 11:23:59,745 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 11:23:59,745 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 11:23:59,745 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [5] total 13 [2018-11-18 11:23:59,745 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:23:59,745 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 11:23:59,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 11:23:59,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 11:23:59,746 INFO L87 Difference]: Start difference. First operand 5486 states and 6798 transitions. Second operand 10 states. [2018-11-18 11:25:21,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:25:21,489 INFO L93 Difference]: Finished difference Result 12751 states and 15847 transitions. [2018-11-18 11:25:21,490 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-18 11:25:21,490 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 519 [2018-11-18 11:25:21,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:25:21,505 INFO L225 Difference]: With dead ends: 12751 [2018-11-18 11:25:21,505 INFO L226 Difference]: Without dead ends: 7609 [2018-11-18 11:25:21,512 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 528 GetRequests, 510 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 11:25:21,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7609 states. [2018-11-18 11:25:21,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7609 to 7589. [2018-11-18 11:25:21,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7589 states. [2018-11-18 11:25:21,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7589 states to 7589 states and 9110 transitions. [2018-11-18 11:25:21,620 INFO L78 Accepts]: Start accepts. Automaton has 7589 states and 9110 transitions. Word has length 519 [2018-11-18 11:25:21,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:25:21,621 INFO L480 AbstractCegarLoop]: Abstraction has 7589 states and 9110 transitions. [2018-11-18 11:25:21,621 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 11:25:21,621 INFO L276 IsEmpty]: Start isEmpty. Operand 7589 states and 9110 transitions. [2018-11-18 11:25:21,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 659 [2018-11-18 11:25:21,639 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:25:21,640 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, 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, 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 11:25:21,640 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:25:21,640 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:25:21,640 INFO L82 PathProgramCache]: Analyzing trace with hash 157071486, now seen corresponding path program 1 times [2018-11-18 11:25:21,640 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:25:21,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:25:21,642 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:25:21,643 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:25:21,643 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:25:21,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:25:22,060 INFO L134 CoverageAnalysis]: Checked inductivity of 904 backedges. 435 proven. 115 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2018-11-18 11:25:22,061 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:25:22,061 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:25:22,062 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 659 with the following transitions: [2018-11-18 11:25:22,062 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], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [519], [521], [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 11:25:22,067 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:25:22,069 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:25:22,488 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 11:25:22,488 INFO L272 AbstractInterpreter]: Visited 251 different actions 1004 times. Merged at 9 different actions 35 times. Widened at 1 different actions 1 times. Performed 11693 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11693 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 7 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-18 11:25:22,493 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:25:22,493 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 11:25:22,493 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:25:22,493 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bd658a5a-8cb3-4f4b-b669-50ccc15e0342/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 11:25:22,502 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:25:22,502 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 11:25:22,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:25:22,611 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:25:22,825 INFO L134 CoverageAnalysis]: Checked inductivity of 904 backedges. 726 proven. 2 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2018-11-18 11:25:22,825 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 11:25:23,018 INFO L134 CoverageAnalysis]: Checked inductivity of 904 backedges. 435 proven. 115 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2018-11-18 11:25:23,033 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 11:25:23,034 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-18 11:25:23,034 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 11:25:23,035 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 11:25:23,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 11:25:23,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-11-18 11:25:23,035 INFO L87 Difference]: Start difference. First operand 7589 states and 9110 transitions. Second operand 9 states. [2018-11-18 11:25:25,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:25:25,513 INFO L93 Difference]: Finished difference Result 17426 states and 21989 transitions. [2018-11-18 11:25:25,514 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-18 11:25:25,514 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 658 [2018-11-18 11:25:25,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:25:25,536 INFO L225 Difference]: With dead ends: 17426 [2018-11-18 11:25:25,536 INFO L226 Difference]: Without dead ends: 10181 [2018-11-18 11:25:25,551 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1337 GetRequests, 1319 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 11:25:25,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10181 states. [2018-11-18 11:25:25,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10181 to 10157. [2018-11-18 11:25:25,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10157 states. [2018-11-18 11:25:25,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10157 states to 10157 states and 12394 transitions. [2018-11-18 11:25:25,674 INFO L78 Accepts]: Start accepts. Automaton has 10157 states and 12394 transitions. Word has length 658 [2018-11-18 11:25:25,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:25:25,675 INFO L480 AbstractCegarLoop]: Abstraction has 10157 states and 12394 transitions. [2018-11-18 11:25:25,675 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 11:25:25,675 INFO L276 IsEmpty]: Start isEmpty. Operand 10157 states and 12394 transitions. [2018-11-18 11:25:25,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 912 [2018-11-18 11:25:25,699 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:25:25,699 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, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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 11:25:25,699 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:25:25,700 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:25:25,700 INFO L82 PathProgramCache]: Analyzing trace with hash 645819742, now seen corresponding path program 1 times [2018-11-18 11:25:25,700 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:25:25,701 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:25:25,701 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:25:25,701 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:25:25,701 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:25:25,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:25:26,042 INFO L134 CoverageAnalysis]: Checked inductivity of 1487 backedges. 252 proven. 0 refuted. 0 times theorem prover too weak. 1235 trivial. 0 not checked. [2018-11-18 11:25:26,042 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:25:26,042 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 11:25:26,042 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:25:26,043 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 11:25:26,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:25:26,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:25:26,043 INFO L87 Difference]: Start difference. First operand 10157 states and 12394 transitions. Second operand 3 states. [2018-11-18 11:25:27,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:25:27,033 INFO L93 Difference]: Finished difference Result 26674 states and 34082 transitions. [2018-11-18 11:25:27,033 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:25:27,033 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 911 [2018-11-18 11:25:27,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:25:27,073 INFO L225 Difference]: With dead ends: 26674 [2018-11-18 11:25:27,073 INFO L226 Difference]: Without dead ends: 16231 [2018-11-18 11:25:27,104 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:25:27,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16231 states. [2018-11-18 11:25:27,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16231 to 16231. [2018-11-18 11:25:27,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16231 states. [2018-11-18 11:25:27,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16231 states to 16231 states and 18533 transitions. [2018-11-18 11:25:27,292 INFO L78 Accepts]: Start accepts. Automaton has 16231 states and 18533 transitions. Word has length 911 [2018-11-18 11:25:27,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:25:27,292 INFO L480 AbstractCegarLoop]: Abstraction has 16231 states and 18533 transitions. [2018-11-18 11:25:27,293 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 11:25:27,293 INFO L276 IsEmpty]: Start isEmpty. Operand 16231 states and 18533 transitions. [2018-11-18 11:25:27,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 996 [2018-11-18 11:25:27,314 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:25:27,315 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, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:25:27,315 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:25:27,315 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:25:27,315 INFO L82 PathProgramCache]: Analyzing trace with hash -1580997452, now seen corresponding path program 1 times [2018-11-18 11:25:27,315 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:25:27,316 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:25:27,316 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:25:27,316 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:25:27,316 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:25:27,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:25:28,154 INFO L134 CoverageAnalysis]: Checked inductivity of 1618 backedges. 932 proven. 2 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2018-11-18 11:25:28,154 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:25:28,154 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:25:28,155 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 996 with the following transitions: [2018-11-18 11:25:28,155 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], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [519], [521], [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], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1385], [1389], [1392], [1393], [1397], [1401], [1405], [1409], [1412], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 11:25:28,159 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:25:28,159 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:25:28,430 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 11:25:28,430 INFO L272 AbstractInterpreter]: Visited 266 different actions 785 times. Merged at 5 different actions 9 times. Never widened. Performed 9187 root evaluator evaluations with a maximum evaluation depth of 9. Performed 9187 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 11:25:28,437 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:25:28,437 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 11:25:28,928 INFO L227 lantSequenceWeakener]: Weakened 992 states. On average, predicates are now at 80.2% of their original sizes. [2018-11-18 11:25:28,928 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 11:25:28,977 INFO L415 sIntCurrentIteration]: We unified 994 AI predicates to 994 [2018-11-18 11:25:28,978 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 11:25:28,978 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 11:25:28,978 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 13 [2018-11-18 11:25:28,978 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:25:28,978 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 11:25:28,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 11:25:28,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 11:25:28,979 INFO L87 Difference]: Start difference. First operand 16231 states and 18533 transitions. Second operand 9 states. [2018-11-18 11:25:44,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:25:44,155 INFO L93 Difference]: Finished difference Result 32136 states and 36777 transitions. [2018-11-18 11:25:44,155 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-18 11:25:44,155 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 995 [2018-11-18 11:25:44,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:25:44,197 INFO L225 Difference]: With dead ends: 32136 [2018-11-18 11:25:44,197 INFO L226 Difference]: Without dead ends: 15158 [2018-11-18 11:25:44,233 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 1001 GetRequests, 987 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 11:25:44,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15158 states. [2018-11-18 11:25:44,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15158 to 15148. [2018-11-18 11:25:44,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15148 states. [2018-11-18 11:25:44,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15148 states to 15148 states and 17378 transitions. [2018-11-18 11:25:44,459 INFO L78 Accepts]: Start accepts. Automaton has 15148 states and 17378 transitions. Word has length 995 [2018-11-18 11:25:44,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:25:44,459 INFO L480 AbstractCegarLoop]: Abstraction has 15148 states and 17378 transitions. [2018-11-18 11:25:44,460 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 11:25:44,460 INFO L276 IsEmpty]: Start isEmpty. Operand 15148 states and 17378 transitions. [2018-11-18 11:25:44,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1031 [2018-11-18 11:25:44,484 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:25:44,485 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, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 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 11:25:44,485 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:25:44,485 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:25:44,485 INFO L82 PathProgramCache]: Analyzing trace with hash 1032952220, now seen corresponding path program 1 times [2018-11-18 11:25:44,485 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:25:44,486 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:25:44,486 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:25:44,486 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:25:44,486 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:25:44,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:25:45,204 INFO L134 CoverageAnalysis]: Checked inductivity of 2063 backedges. 1018 proven. 2 refuted. 0 times theorem prover too weak. 1043 trivial. 0 not checked. [2018-11-18 11:25:45,204 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:25:45,204 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:25:45,204 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1031 with the following transitions: [2018-11-18 11:25:45,204 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], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [519], [521], [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], [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], [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 11:25:45,208 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:25:45,208 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:25:45,675 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 11:25:45,675 INFO L272 AbstractInterpreter]: Visited 268 different actions 1082 times. Merged at 11 different actions 45 times. Widened at 1 different actions 1 times. Performed 12755 root evaluator evaluations with a maximum evaluation depth of 18. Performed 12755 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 11:25:45,676 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:25:45,677 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 11:25:45,677 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:25:45,677 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bd658a5a-8cb3-4f4b-b669-50ccc15e0342/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 11:25:45,683 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:25:45,683 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 11:25:46,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:25:46,753 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:25:47,063 INFO L134 CoverageAnalysis]: Checked inductivity of 2063 backedges. 1018 proven. 2 refuted. 0 times theorem prover too weak. 1043 trivial. 0 not checked. [2018-11-18 11:25:47,064 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 11:25:47,491 INFO L134 CoverageAnalysis]: Checked inductivity of 2063 backedges. 1018 proven. 2 refuted. 0 times theorem prover too weak. 1043 trivial. 0 not checked. [2018-11-18 11:25:47,507 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 11:25:47,507 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-18 11:25:47,508 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 11:25:47,508 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 11:25:47,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 11:25:47,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-11-18 11:25:47,509 INFO L87 Difference]: Start difference. First operand 15148 states and 17378 transitions. Second operand 9 states. [2018-11-18 11:25:49,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:25:49,913 INFO L93 Difference]: Finished difference Result 45307 states and 53084 transitions. [2018-11-18 11:25:49,913 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 11:25:49,913 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1030 [2018-11-18 11:25:49,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:25:49,959 INFO L225 Difference]: With dead ends: 45307 [2018-11-18 11:25:49,959 INFO L226 Difference]: Without dead ends: 25719 [2018-11-18 11:25:50,019 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2075 GetRequests, 2060 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2018-11-18 11:25:50,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25719 states. [2018-11-18 11:25:50,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25719 to 25164. [2018-11-18 11:25:50,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25164 states. [2018-11-18 11:25:50,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25164 states to 25164 states and 27466 transitions. [2018-11-18 11:25:50,365 INFO L78 Accepts]: Start accepts. Automaton has 25164 states and 27466 transitions. Word has length 1030 [2018-11-18 11:25:50,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:25:50,366 INFO L480 AbstractCegarLoop]: Abstraction has 25164 states and 27466 transitions. [2018-11-18 11:25:50,366 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 11:25:50,366 INFO L276 IsEmpty]: Start isEmpty. Operand 25164 states and 27466 transitions. [2018-11-18 11:25:50,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1312 [2018-11-18 11:25:50,393 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:25:50,393 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, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:25:50,393 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:25:50,394 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:25:50,394 INFO L82 PathProgramCache]: Analyzing trace with hash 500979005, now seen corresponding path program 1 times [2018-11-18 11:25:50,394 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:25:50,395 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:25:50,395 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:25:50,395 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:25:50,395 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:25:50,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:25:51,812 INFO L134 CoverageAnalysis]: Checked inductivity of 2911 backedges. 1044 proven. 252 refuted. 0 times theorem prover too weak. 1615 trivial. 0 not checked. [2018-11-18 11:25:51,812 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:25:51,812 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:25:51,812 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1312 with the following transitions: [2018-11-18 11:25:51,813 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], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [519], [521], [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], [1404], [1405], [1409], [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 11:25:51,816 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:25:51,816 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:25:52,636 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 11:25:52,636 INFO L272 AbstractInterpreter]: Visited 287 different actions 1143 times. Merged at 9 different actions 30 times. Never widened. Performed 13728 root evaluator evaluations with a maximum evaluation depth of 22. Performed 13728 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 11 fixpoints after 5 different actions. Largest state had 24 variables. [2018-11-18 11:25:52,638 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:25:52,638 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 11:25:52,638 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:25:52,638 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bd658a5a-8cb3-4f4b-b669-50ccc15e0342/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 11:25:52,644 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:25:52,644 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 11:25:52,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:25:52,782 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:25:53,284 INFO L134 CoverageAnalysis]: Checked inductivity of 2911 backedges. 1280 proven. 2 refuted. 0 times theorem prover too weak. 1629 trivial. 0 not checked. [2018-11-18 11:25:53,284 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 11:25:53,955 INFO L134 CoverageAnalysis]: Checked inductivity of 2911 backedges. 1280 proven. 2 refuted. 0 times theorem prover too weak. 1629 trivial. 0 not checked. [2018-11-18 11:25:53,971 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 11:25:53,971 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 12 [2018-11-18 11:25:53,971 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 11:25:53,972 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-18 11:25:53,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-18 11:25:53,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2018-11-18 11:25:53,973 INFO L87 Difference]: Start difference. First operand 25164 states and 27466 transitions. Second operand 11 states. [2018-11-18 11:25:58,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:25:58,172 INFO L93 Difference]: Finished difference Result 55776 states and 63385 transitions. [2018-11-18 11:25:58,173 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-11-18 11:25:58,173 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 1311 [2018-11-18 11:25:58,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:25:58,228 INFO L225 Difference]: With dead ends: 55776 [2018-11-18 11:25:58,228 INFO L226 Difference]: Without dead ends: 26063 [2018-11-18 11:25:58,335 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2679 GetRequests, 2640 SyntacticMatches, 3 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 314 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=331, Invalid=1075, Unknown=0, NotChecked=0, Total=1406 [2018-11-18 11:25:58,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26063 states. [2018-11-18 11:25:58,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26063 to 23667. [2018-11-18 11:25:58,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23667 states. [2018-11-18 11:25:58,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23667 states to 23667 states and 25605 transitions. [2018-11-18 11:25:58,619 INFO L78 Accepts]: Start accepts. Automaton has 23667 states and 25605 transitions. Word has length 1311 [2018-11-18 11:25:58,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:25:58,620 INFO L480 AbstractCegarLoop]: Abstraction has 23667 states and 25605 transitions. [2018-11-18 11:25:58,620 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-18 11:25:58,620 INFO L276 IsEmpty]: Start isEmpty. Operand 23667 states and 25605 transitions. [2018-11-18 11:25:58,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1339 [2018-11-18 11:25:58,635 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:25:58,636 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, 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, 8, 8, 8, 8, 8, 8, 8, 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] [2018-11-18 11:25:58,636 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:25:58,636 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:25:58,636 INFO L82 PathProgramCache]: Analyzing trace with hash -995106246, now seen corresponding path program 1 times [2018-11-18 11:25:58,636 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:25:58,637 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:25:58,637 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:25:58,637 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:25:58,637 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:25:58,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:26:00,041 INFO L134 CoverageAnalysis]: Checked inductivity of 3945 backedges. 2254 proven. 355 refuted. 0 times theorem prover too weak. 1336 trivial. 0 not checked. [2018-11-18 11:26:00,041 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:26:00,041 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:26:00,041 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1339 with the following transitions: [2018-11-18 11:26:00,042 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], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [519], [521], [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], [776], [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], [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 11:26:00,044 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:26:00,044 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:26:03,084 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 11:26:03,084 INFO L272 AbstractInterpreter]: Visited 270 different actions 1089 times. Merged at 12 different actions 44 times. Widened at 1 different actions 1 times. Performed 12875 root evaluator evaluations with a maximum evaluation depth of 22. Performed 12875 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 14 fixpoints after 6 different actions. Largest state had 24 variables. [2018-11-18 11:26:03,089 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:26:03,089 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 11:26:03,089 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:26:03,089 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bd658a5a-8cb3-4f4b-b669-50ccc15e0342/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 11:26:03,095 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:26:03,095 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 11:26:03,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:26:03,236 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:26:03,658 INFO L134 CoverageAnalysis]: Checked inductivity of 3945 backedges. 405 proven. 0 refuted. 0 times theorem prover too weak. 3540 trivial. 0 not checked. [2018-11-18 11:26:03,658 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 11:26:04,135 INFO L134 CoverageAnalysis]: Checked inductivity of 3945 backedges. 405 proven. 0 refuted. 0 times theorem prover too weak. 3540 trivial. 0 not checked. [2018-11-18 11:26:04,151 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 11:26:04,151 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 9 [2018-11-18 11:26:04,151 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:26:04,152 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 11:26:04,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:26:04,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-11-18 11:26:04,152 INFO L87 Difference]: Start difference. First operand 23667 states and 25605 transitions. Second operand 3 states. [2018-11-18 11:26:04,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:26:04,759 INFO L93 Difference]: Finished difference Result 44624 states and 48403 transitions. [2018-11-18 11:26:04,759 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:26:04,759 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1338 [2018-11-18 11:26:04,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:26:04,797 INFO L225 Difference]: With dead ends: 44624 [2018-11-18 11:26:04,797 INFO L226 Difference]: Without dead ends: 23667 [2018-11-18 11:26:04,827 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2687 GetRequests, 2678 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-11-18 11:26:04,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23667 states. [2018-11-18 11:26:05,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23667 to 23664. [2018-11-18 11:26:05,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23664 states. [2018-11-18 11:26:05,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23664 states to 23664 states and 25438 transitions. [2018-11-18 11:26:05,033 INFO L78 Accepts]: Start accepts. Automaton has 23664 states and 25438 transitions. Word has length 1338 [2018-11-18 11:26:05,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:26:05,035 INFO L480 AbstractCegarLoop]: Abstraction has 23664 states and 25438 transitions. [2018-11-18 11:26:05,035 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 11:26:05,035 INFO L276 IsEmpty]: Start isEmpty. Operand 23664 states and 25438 transitions. [2018-11-18 11:26:05,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1380 [2018-11-18 11:26:05,051 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:26:05,051 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, 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, 8, 8, 8, 8, 8, 8, 8, 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 11:26:05,051 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:26:05,051 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:26:05,052 INFO L82 PathProgramCache]: Analyzing trace with hash 893451851, now seen corresponding path program 1 times [2018-11-18 11:26:05,052 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:26:05,052 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:26:05,052 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:26:05,052 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:26:05,052 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:26:05,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:26:05,767 INFO L134 CoverageAnalysis]: Checked inductivity of 3945 backedges. 405 proven. 0 refuted. 0 times theorem prover too weak. 3540 trivial. 0 not checked. [2018-11-18 11:26:05,767 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:26:05,767 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 11:26:05,767 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:26:05,768 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 11:26:05,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 11:26:05,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 11:26:05,768 INFO L87 Difference]: Start difference. First operand 23664 states and 25438 transitions. Second operand 4 states. [2018-11-18 11:26:06,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:26:06,714 INFO L93 Difference]: Finished difference Result 42181 states and 45498 transitions. [2018-11-18 11:26:06,714 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 11:26:06,714 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1379 [2018-11-18 11:26:06,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:26:06,732 INFO L225 Difference]: With dead ends: 42181 [2018-11-18 11:26:06,732 INFO L226 Difference]: Without dead ends: 13818 [2018-11-18 11:26:06,761 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 11:26:06,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13818 states. [2018-11-18 11:26:06,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13818 to 13506. [2018-11-18 11:26:06,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13506 states. [2018-11-18 11:26:06,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13506 states to 13506 states and 14473 transitions. [2018-11-18 11:26:06,876 INFO L78 Accepts]: Start accepts. Automaton has 13506 states and 14473 transitions. Word has length 1379 [2018-11-18 11:26:06,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:26:06,877 INFO L480 AbstractCegarLoop]: Abstraction has 13506 states and 14473 transitions. [2018-11-18 11:26:06,878 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 11:26:06,878 INFO L276 IsEmpty]: Start isEmpty. Operand 13506 states and 14473 transitions. [2018-11-18 11:26:06,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1513 [2018-11-18 11:26:06,894 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:26:06,894 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, 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, 9, 9, 9, 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 11:26:06,895 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:26:06,895 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:26:06,895 INFO L82 PathProgramCache]: Analyzing trace with hash 143963035, now seen corresponding path program 1 times [2018-11-18 11:26:06,895 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:26:06,896 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:26:06,896 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:26:06,896 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:26:06,896 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:26:06,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:26:07,994 INFO L134 CoverageAnalysis]: Checked inductivity of 5129 backedges. 1587 proven. 2 refuted. 0 times theorem prover too weak. 3540 trivial. 0 not checked. [2018-11-18 11:26:07,994 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:26:07,994 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:26:07,995 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1513 with the following transitions: [2018-11-18 11:26:07,995 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], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [519], [521], [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], [776], [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 11:26:07,998 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:26:07,998 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:26:11,020 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 11:26:11,020 INFO L272 AbstractInterpreter]: Visited 271 different actions 1092 times. Merged at 12 different actions 43 times. Never widened. Performed 12886 root evaluator evaluations with a maximum evaluation depth of 22. Performed 12886 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 15 fixpoints after 6 different actions. Largest state had 24 variables. [2018-11-18 11:26:11,022 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:26:11,022 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 11:26:11,022 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:26:11,022 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bd658a5a-8cb3-4f4b-b669-50ccc15e0342/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 11:26:11,029 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:26:11,029 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 11:26:11,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:26:11,213 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:26:11,879 INFO L134 CoverageAnalysis]: Checked inductivity of 5129 backedges. 1587 proven. 2 refuted. 0 times theorem prover too weak. 3540 trivial. 0 not checked. [2018-11-18 11:26:11,879 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 11:26:12,584 INFO L134 CoverageAnalysis]: Checked inductivity of 5129 backedges. 1587 proven. 2 refuted. 0 times theorem prover too weak. 3540 trivial. 0 not checked. [2018-11-18 11:26:12,600 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 11:26:12,600 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-18 11:26:12,600 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 11:26:12,601 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 11:26:12,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 11:26:12,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-11-18 11:26:12,602 INFO L87 Difference]: Start difference. First operand 13506 states and 14473 transitions. Second operand 9 states. [2018-11-18 11:26:13,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:26:13,938 INFO L93 Difference]: Finished difference Result 26197 states and 27855 transitions. [2018-11-18 11:26:13,938 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-18 11:26:13,939 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1512 [2018-11-18 11:26:13,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:26:13,954 INFO L225 Difference]: With dead ends: 26197 [2018-11-18 11:26:13,954 INFO L226 Difference]: Without dead ends: 13035 [2018-11-18 11:26:13,965 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3041 GetRequests, 3025 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2018-11-18 11:26:13,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13035 states. [2018-11-18 11:26:14,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13035 to 13011. [2018-11-18 11:26:14,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13011 states. [2018-11-18 11:26:14,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13011 states to 13011 states and 13539 transitions. [2018-11-18 11:26:14,053 INFO L78 Accepts]: Start accepts. Automaton has 13011 states and 13539 transitions. Word has length 1512 [2018-11-18 11:26:14,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:26:14,055 INFO L480 AbstractCegarLoop]: Abstraction has 13011 states and 13539 transitions. [2018-11-18 11:26:14,055 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 11:26:14,055 INFO L276 IsEmpty]: Start isEmpty. Operand 13011 states and 13539 transitions. [2018-11-18 11:26:14,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1679 [2018-11-18 11:26:14,070 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:26:14,070 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, 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, 10, 10, 10, 10, 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, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:26:14,070 INFO L423 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:26:14,071 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:26:14,071 INFO L82 PathProgramCache]: Analyzing trace with hash 738249132, now seen corresponding path program 1 times [2018-11-18 11:26:14,071 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:26:14,071 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:26:14,072 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:26:14,072 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:26:14,072 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:26:14,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:26:17,024 INFO L134 CoverageAnalysis]: Checked inductivity of 6463 backedges. 2545 proven. 1064 refuted. 0 times theorem prover too weak. 2854 trivial. 0 not checked. [2018-11-18 11:26:17,025 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:26:17,025 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:26:17,025 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1679 with the following transitions: [2018-11-18 11:26:17,025 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], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [519], [521], [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], [776], [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], [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], [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 11:26:17,028 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:26:17,028 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:26:20,030 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 11:26:20,030 INFO L272 AbstractInterpreter]: Visited 272 different actions 1096 times. Merged at 12 different actions 43 times. Never widened. Performed 12907 root evaluator evaluations with a maximum evaluation depth of 22. Performed 12907 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 16 fixpoints after 7 different actions. Largest state had 24 variables. [2018-11-18 11:26:20,037 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:26:20,037 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 11:26:20,037 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:26:20,037 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bd658a5a-8cb3-4f4b-b669-50ccc15e0342/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 11:26:20,043 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:26:20,044 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 11:26:20,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:26:20,228 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:26:21,282 INFO L134 CoverageAnalysis]: Checked inductivity of 6463 backedges. 2568 proven. 2 refuted. 0 times theorem prover too weak. 3893 trivial. 0 not checked. [2018-11-18 11:26:21,282 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 11:26:23,271 INFO L134 CoverageAnalysis]: Checked inductivity of 6463 backedges. 521 proven. 2401 refuted. 0 times theorem prover too weak. 3541 trivial. 0 not checked. [2018-11-18 11:26:23,287 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 11:26:23,288 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 8, 8] total 27 [2018-11-18 11:26:23,288 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 11:26:23,289 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-11-18 11:26:23,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-11-18 11:26:23,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=600, Unknown=0, NotChecked=0, Total=702 [2018-11-18 11:26:23,290 INFO L87 Difference]: Start difference. First operand 13011 states and 13539 transitions. Second operand 22 states. [2018-11-18 11:26:29,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:26:29,124 INFO L93 Difference]: Finished difference Result 27039 states and 28193 transitions. [2018-11-18 11:26:29,124 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2018-11-18 11:26:29,124 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 1678 [2018-11-18 11:26:29,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:26:29,138 INFO L225 Difference]: With dead ends: 27039 [2018-11-18 11:26:29,139 INFO L226 Difference]: Without dead ends: 14372 [2018-11-18 11:26:29,147 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3455 GetRequests, 3381 SyntacticMatches, 2 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1389 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=996, Invalid=4406, Unknown=0, NotChecked=0, Total=5402 [2018-11-18 11:26:29,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14372 states. [2018-11-18 11:26:29,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14372 to 13361. [2018-11-18 11:26:29,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13361 states. [2018-11-18 11:26:29,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13361 states to 13361 states and 13858 transitions. [2018-11-18 11:26:29,244 INFO L78 Accepts]: Start accepts. Automaton has 13361 states and 13858 transitions. Word has length 1678 [2018-11-18 11:26:29,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:26:29,244 INFO L480 AbstractCegarLoop]: Abstraction has 13361 states and 13858 transitions. [2018-11-18 11:26:29,244 INFO L481 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-11-18 11:26:29,244 INFO L276 IsEmpty]: Start isEmpty. Operand 13361 states and 13858 transitions. [2018-11-18 11:26:29,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1957 [2018-11-18 11:26:29,263 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:26:29,263 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, 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, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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 11:26:29,264 INFO L423 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:26:29,264 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:26:29,264 INFO L82 PathProgramCache]: Analyzing trace with hash -748494168, now seen corresponding path program 1 times [2018-11-18 11:26:29,264 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:26:29,265 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:26:29,265 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:26:29,265 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:26:29,265 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:26:29,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:26:32,460 INFO L134 CoverageAnalysis]: Checked inductivity of 7196 backedges. 2915 proven. 1492 refuted. 0 times theorem prover too weak. 2789 trivial. 0 not checked. [2018-11-18 11:26:32,460 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:26:32,460 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:26:32,460 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1957 with the following transitions: [2018-11-18 11:26:32,461 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], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [519], [521], [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], [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], [1396], [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 11:26:32,464 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:26:32,464 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:26:33,302 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 11:26:33,302 INFO L272 AbstractInterpreter]: Visited 291 different actions 1173 times. Merged at 12 different actions 44 times. Widened at 1 different actions 1 times. Performed 14069 root evaluator evaluations with a maximum evaluation depth of 22. Performed 14069 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 11:26:33,303 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:26:33,303 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 11:26:33,303 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:26:33,303 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bd658a5a-8cb3-4f4b-b669-50ccc15e0342/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 11:26:33,310 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:26:33,310 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 11:26:33,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:26:33,513 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:26:34,468 INFO L134 CoverageAnalysis]: Checked inductivity of 7196 backedges. 4019 proven. 2 refuted. 0 times theorem prover too weak. 3175 trivial. 0 not checked. [2018-11-18 11:26:34,469 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 11:26:35,984 INFO L134 CoverageAnalysis]: Checked inductivity of 7196 backedges. 1853 proven. 336 refuted. 0 times theorem prover too weak. 5007 trivial. 0 not checked. [2018-11-18 11:26:36,031 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 11:26:36,031 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 5, 5] total 19 [2018-11-18 11:26:36,031 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 11:26:36,033 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-18 11:26:36,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-18 11:26:36,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=270, Unknown=0, NotChecked=0, Total=342 [2018-11-18 11:26:36,033 INFO L87 Difference]: Start difference. First operand 13361 states and 13858 transitions. Second operand 18 states. [2018-11-18 11:26:41,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:26:41,679 INFO L93 Difference]: Finished difference Result 24023 states and 25013 transitions. [2018-11-18 11:26:41,680 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2018-11-18 11:26:41,680 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 1956 [2018-11-18 11:26:41,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:26:41,696 INFO L225 Difference]: With dead ends: 24023 [2018-11-18 11:26:41,696 INFO L226 Difference]: Without dead ends: 14084 [2018-11-18 11:26:41,705 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4019 GetRequests, 3943 SyntacticMatches, 6 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1566 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=966, Invalid=4146, Unknown=0, NotChecked=0, Total=5112 [2018-11-18 11:26:41,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14084 states. [2018-11-18 11:26:41,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14084 to 13366. [2018-11-18 11:26:41,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13366 states. [2018-11-18 11:26:41,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13366 states to 13366 states and 13779 transitions. [2018-11-18 11:26:41,804 INFO L78 Accepts]: Start accepts. Automaton has 13366 states and 13779 transitions. Word has length 1956 [2018-11-18 11:26:41,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:26:41,805 INFO L480 AbstractCegarLoop]: Abstraction has 13366 states and 13779 transitions. [2018-11-18 11:26:41,805 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-18 11:26:41,805 INFO L276 IsEmpty]: Start isEmpty. Operand 13366 states and 13779 transitions. [2018-11-18 11:26:41,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2025 [2018-11-18 11:26:41,824 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:26:41,825 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, 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, 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, 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, 7, 7, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:26:41,825 INFO L423 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:26:41,825 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:26:41,825 INFO L82 PathProgramCache]: Analyzing trace with hash 1924464879, now seen corresponding path program 1 times [2018-11-18 11:26:41,825 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:26:41,826 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:26:41,826 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:26:41,826 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:26:41,826 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:26:41,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:26:43,715 INFO L134 CoverageAnalysis]: Checked inductivity of 8331 backedges. 4854 proven. 434 refuted. 0 times theorem prover too weak. 3043 trivial. 0 not checked. [2018-11-18 11:26:43,715 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:26:43,715 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:26:43,715 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 2025 with the following transitions: [2018-11-18 11:26:43,715 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], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [519], [521], [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], [776], [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], [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], [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], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1532], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 11:26:43,719 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:26:43,719 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:26:46,813 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 11:26:46,814 INFO L272 AbstractInterpreter]: Visited 303 different actions 1217 times. Merged at 13 different actions 40 times. Never widened. Performed 14593 root evaluator evaluations with a maximum evaluation depth of 22. Performed 14593 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 17 fixpoints after 8 different actions. Largest state had 24 variables. [2018-11-18 11:26:46,817 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:26:46,817 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 11:26:46,817 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:26:46,817 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bd658a5a-8cb3-4f4b-b669-50ccc15e0342/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 11:26:46,824 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:26:46,824 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 11:26:47,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:26:47,039 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:26:48,204 INFO L134 CoverageAnalysis]: Checked inductivity of 8331 backedges. 5752 proven. 6 refuted. 0 times theorem prover too weak. 2573 trivial. 0 not checked. [2018-11-18 11:26:48,204 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 11:26:50,179 INFO L134 CoverageAnalysis]: Checked inductivity of 8331 backedges. 1851 proven. 1099 refuted. 0 times theorem prover too weak. 5381 trivial. 0 not checked. [2018-11-18 11:26:50,195 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 11:26:50,195 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 19 [2018-11-18 11:26:50,195 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 11:26:50,196 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-18 11:26:50,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-18 11:26:50,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=277, Unknown=0, NotChecked=0, Total=342 [2018-11-18 11:26:50,197 INFO L87 Difference]: Start difference. First operand 13366 states and 13779 transitions. Second operand 14 states. [2018-11-18 11:26:55,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:26:55,494 INFO L93 Difference]: Finished difference Result 24625 states and 25381 transitions. [2018-11-18 11:26:55,494 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-11-18 11:26:55,494 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 2024 [2018-11-18 11:26:55,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:26:55,510 INFO L225 Difference]: With dead ends: 24625 [2018-11-18 11:26:55,510 INFO L226 Difference]: Without dead ends: 14681 [2018-11-18 11:26:55,519 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4120 GetRequests, 4069 SyntacticMatches, 7 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 440 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=439, Invalid=1631, Unknown=0, NotChecked=0, Total=2070 [2018-11-18 11:26:55,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14681 states. [2018-11-18 11:26:55,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14681 to 13730. [2018-11-18 11:26:55,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13730 states. [2018-11-18 11:26:55,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13730 states to 13730 states and 14143 transitions. [2018-11-18 11:26:55,622 INFO L78 Accepts]: Start accepts. Automaton has 13730 states and 14143 transitions. Word has length 2024 [2018-11-18 11:26:55,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:26:55,623 INFO L480 AbstractCegarLoop]: Abstraction has 13730 states and 14143 transitions. [2018-11-18 11:26:55,623 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-18 11:26:55,623 INFO L276 IsEmpty]: Start isEmpty. Operand 13730 states and 14143 transitions. [2018-11-18 11:26:55,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2029 [2018-11-18 11:26:55,643 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:26:55,643 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, 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, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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 11:26:55,643 INFO L423 AbstractCegarLoop]: === Iteration 20 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:26:55,643 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:26:55,643 INFO L82 PathProgramCache]: Analyzing trace with hash 365528595, now seen corresponding path program 1 times [2018-11-18 11:26:55,643 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:26:55,644 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:26:55,644 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:26:55,644 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:26:55,644 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:26:55,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:27:00,152 INFO L134 CoverageAnalysis]: Checked inductivity of 7963 backedges. 2914 proven. 3523 refuted. 0 times theorem prover too weak. 1526 trivial. 0 not checked. [2018-11-18 11:27:00,152 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:27:00,152 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:27:00,152 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 2029 with the following transitions: [2018-11-18 11:27:00,153 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], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [519], [521], [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], [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], [1396], [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 11:27:00,155 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:27:00,156 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:27:01,026 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 11:27:01,026 INFO L272 AbstractInterpreter]: Visited 292 different actions 1171 times. Merged at 12 different actions 38 times. Never widened. Performed 14125 root evaluator evaluations with a maximum evaluation depth of 22. Performed 14125 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 11:27:01,027 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:27:01,027 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 11:27:01,027 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:27:01,027 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bd658a5a-8cb3-4f4b-b669-50ccc15e0342/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 11:27:01,036 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:27:01,036 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 11:27:01,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:27:01,243 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:27:02,396 INFO L134 CoverageAnalysis]: Checked inductivity of 7963 backedges. 4676 proven. 2 refuted. 0 times theorem prover too weak. 3285 trivial. 0 not checked. [2018-11-18 11:27:02,396 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 11:27:03,879 INFO L134 CoverageAnalysis]: Checked inductivity of 7963 backedges. 1074 proven. 636 refuted. 0 times theorem prover too weak. 6253 trivial. 0 not checked. [2018-11-18 11:27:03,926 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 11:27:03,926 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 5, 5] total 25 [2018-11-18 11:27:03,926 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 11:27:03,928 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-11-18 11:27:03,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-11-18 11:27:03,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=498, Unknown=0, NotChecked=0, Total=600 [2018-11-18 11:27:03,929 INFO L87 Difference]: Start difference. First operand 13730 states and 14143 transitions. Second operand 23 states. [2018-11-18 11:27:13,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:27:13,454 INFO L93 Difference]: Finished difference Result 27747 states and 28646 transitions. [2018-11-18 11:27:13,454 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2018-11-18 11:27:13,455 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 2028 [2018-11-18 11:27:13,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:27:13,473 INFO L225 Difference]: With dead ends: 27747 [2018-11-18 11:27:13,473 INFO L226 Difference]: Without dead ends: 17437 [2018-11-18 11:27:13,483 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4187 GetRequests, 4105 SyntacticMatches, 7 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1760 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=941, Invalid=4911, Unknown=0, NotChecked=0, Total=5852 [2018-11-18 11:27:13,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17437 states. [2018-11-18 11:27:13,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17437 to 16133. [2018-11-18 11:27:13,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16133 states. [2018-11-18 11:27:13,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16133 states to 16133 states and 16540 transitions. [2018-11-18 11:27:13,612 INFO L78 Accepts]: Start accepts. Automaton has 16133 states and 16540 transitions. Word has length 2028 [2018-11-18 11:27:13,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:27:13,612 INFO L480 AbstractCegarLoop]: Abstraction has 16133 states and 16540 transitions. [2018-11-18 11:27:13,612 INFO L481 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-11-18 11:27:13,612 INFO L276 IsEmpty]: Start isEmpty. Operand 16133 states and 16540 transitions. [2018-11-18 11:27:13,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2143 [2018-11-18 11:27:13,643 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:27:13,643 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, 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, 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, 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, 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, 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, 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] [2018-11-18 11:27:13,643 INFO L423 AbstractCegarLoop]: === Iteration 21 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:27:13,643 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:27:13,644 INFO L82 PathProgramCache]: Analyzing trace with hash 1757716615, now seen corresponding path program 1 times [2018-11-18 11:27:13,644 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:27:13,644 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:27:13,644 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:27:13,645 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:27:13,645 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:27:13,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:27:20,079 INFO L134 CoverageAnalysis]: Checked inductivity of 8603 backedges. 1490 proven. 5517 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2018-11-18 11:27:20,079 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:27:20,079 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:27:20,080 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 2143 with the following transitions: [2018-11-18 11:27:20,080 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], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [519], [521], [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], [728], [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], [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], [1289], [1293], [1296], [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], [1489], [1493], [1497], [1500], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 11:27:20,083 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:27:20,083 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:27:20,921 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 11:27:20,921 INFO L272 AbstractInterpreter]: Visited 295 different actions 1187 times. Merged at 15 different actions 42 times. Never widened. Performed 14175 root evaluator evaluations with a maximum evaluation depth of 22. Performed 14175 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 16 fixpoints after 5 different actions. Largest state had 24 variables. [2018-11-18 11:27:20,922 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:27:20,923 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 11:27:20,923 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:27:20,923 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bd658a5a-8cb3-4f4b-b669-50ccc15e0342/bin-2019/utaipan/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 11:27:20,929 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:27:20,929 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 11:27:21,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:27:21,146 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:27:22,747 INFO L134 CoverageAnalysis]: Checked inductivity of 8603 backedges. 558 proven. 0 refuted. 0 times theorem prover too weak. 8045 trivial. 0 not checked. [2018-11-18 11:27:22,747 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 11:27:23,807 INFO L134 CoverageAnalysis]: Checked inductivity of 8603 backedges. 558 proven. 0 refuted. 0 times theorem prover too weak. 8045 trivial. 0 not checked. [2018-11-18 11:27:23,823 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 11:27:23,824 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [25] total 27 [2018-11-18 11:27:23,824 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:27:23,824 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 11:27:23,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:27:23,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=605, Unknown=0, NotChecked=0, Total=702 [2018-11-18 11:27:23,825 INFO L87 Difference]: Start difference. First operand 16133 states and 16540 transitions. Second operand 3 states. [2018-11-18 11:27:27,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:27:27,071 INFO L93 Difference]: Finished difference Result 30870 states and 31733 transitions. [2018-11-18 11:27:27,071 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:27:27,071 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2142 [2018-11-18 11:27:27,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:27:27,072 INFO L225 Difference]: With dead ends: 30870 [2018-11-18 11:27:27,073 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 11:27:27,095 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4318 GetRequests, 4288 SyntacticMatches, 5 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 258 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=97, Invalid=605, Unknown=0, NotChecked=0, Total=702 [2018-11-18 11:27:27,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 11:27:27,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 11:27:27,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 11:27:27,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 11:27:27,096 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 2142 [2018-11-18 11:27:27,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:27:27,096 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 11:27:27,096 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 11:27:27,096 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 11:27:27,097 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 11:27:27,100 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 11:27:27,150 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:27,224 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:27,229 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:27,243 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:27,243 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:27,248 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:27,256 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:27,269 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:27,282 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:27,282 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:27,326 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:27,374 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:27,377 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:27,382 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:27,385 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:27,395 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:27,404 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:27,412 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:27,416 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:27,424 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:27,425 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:27,433 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:27,437 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:27,443 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:27,443 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:27,445 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:27,456 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:27,457 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:27,478 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:27,483 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:27,494 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:27,517 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:27,518 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:27,539 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:27,545 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:27,551 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:27,559 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:27,561 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:27,570 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:27,585 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:27,614 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:27,615 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:27,615 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:27,623 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:27,646 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:27,657 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:27,658 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:27,662 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:27,670 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:27,673 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:27,723 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:27,737 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:27,744 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:27,745 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:27,745 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:27,749 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:27,749 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:27,749 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:27,770 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:27,776 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:27,785 WARN L180 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 537 DAG size of output: 368 [2018-11-18 11:27:27,873 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:27,982 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,093 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,112 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,116 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,134 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,152 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,163 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,168 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,189 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,196 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,200 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,210 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,214 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,219 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,223 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,236 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,240 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,259 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,263 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,272 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,282 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,287 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,298 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,319 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,323 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,328 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,335 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,353 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,357 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,360 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,364 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,379 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,383 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,388 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,394 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,399 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,409 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,424 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,448 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,452 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,456 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,468 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,470 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,474 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,479 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,483 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,500 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,512 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,537 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,543 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,588 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,592 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,600 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,601 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,613 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,621 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,625 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,633 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,646 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,649 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,650 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,651 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,652 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,659 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,663 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,667 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,670 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,674 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,678 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,683 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,685 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,689 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,699 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,715 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,726 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,730 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,739 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,744 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,745 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,754 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,784 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,785 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,796 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,797 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,811 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,822 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,823 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,832 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,833 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,850 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,852 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,854 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,858 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,864 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,867 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,872 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,884 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,896 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,912 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,916 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,929 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,935 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,936 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,940 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,943 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,945 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,946 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,959 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,959 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,968 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,975 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,976 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:28,982 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,000 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,004 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,006 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,010 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,015 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,026 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,031 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,035 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,043 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,047 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,052 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,064 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,126 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,151 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,195 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,199 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,202 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,209 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,223 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,227 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,230 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,244 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,245 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,259 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,265 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,269 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,279 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,310 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,314 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,317 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,318 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,324 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,328 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,338 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,341 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,345 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,361 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,365 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,371 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,420 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,427 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,430 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,438 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,440 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,444 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,464 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,465 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,470 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,490 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,491 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,499 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,500 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,506 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,509 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,532 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,536 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,541 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,551 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,557 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,565 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,566 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,567 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,568 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,574 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,578 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,581 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,585 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,594 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,598 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,599 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,602 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,613 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,617 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,637 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,649 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,653 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,661 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,670 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,671 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,677 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,687 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,691 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,698 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,701 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,714 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,730 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,734 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,739 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,740 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,741 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,742 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,750 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,753 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,757 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,764 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,768 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,782 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,830 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,830 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,832 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,849 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,856 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,856 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,906 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,948 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,968 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,970 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,974 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,980 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,982 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:29,989 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:30,001 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:30,002 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:30,011 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:30,011 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:30,023 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:30,028 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:30,041 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:30,063 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:30,064 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:30,077 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:30,082 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:30,086 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:30,097 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:30,099 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:30,108 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:30,147 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:30,148 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:30,148 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:30,153 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:30,170 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:30,178 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:30,179 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:30,184 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:30,194 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:30,197 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:30,219 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:30,229 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:30,242 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:30,242 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:30,243 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:30,246 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:30,247 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:30,247 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:30,264 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:30,272 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:30,278 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:27:30,283 WARN L180 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 421 [2018-11-18 11:27:31,331 WARN L180 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 342 DAG size of output: 84 [2018-11-18 11:27:33,070 WARN L180 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 549 DAG size of output: 99 [2018-11-18 11:27:34,369 WARN L180 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 419 DAG size of output: 94 [2018-11-18 11:27:37,081 WARN L180 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 500 DAG size of output: 137 [2018-11-18 11:27:38,343 WARN L180 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 397 DAG size of output: 82 [2018-11-18 11:27:38,351 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 11:27:38,351 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 11:27:38,351 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 11:27:38,351 INFO L425 ceAbstractionStarter]: For program point L1497(lines 1497 1763) no Hoare annotation was computed. [2018-11-18 11:27:38,351 INFO L425 ceAbstractionStarter]: For program point calculate_output2EXIT(lines 1494 1765) no Hoare annotation was computed. [2018-11-18 11:27:38,352 INFO L425 ceAbstractionStarter]: For program point L1687(lines 1687 1763) no Hoare annotation was computed. [2018-11-18 11:27:38,352 INFO L425 ceAbstractionStarter]: For program point L1704(lines 1704 1763) no Hoare annotation was computed. [2018-11-18 11:27:38,352 INFO L425 ceAbstractionStarter]: For program point L1638(lines 1638 1763) no Hoare annotation was computed. [2018-11-18 11:27:38,352 INFO L425 ceAbstractionStarter]: For program point L1663(lines 1663 1763) no Hoare annotation was computed. [2018-11-18 11:27:38,352 INFO L425 ceAbstractionStarter]: For program point L1597(lines 1597 1763) no Hoare annotation was computed. [2018-11-18 11:27:38,352 INFO L425 ceAbstractionStarter]: For program point L1721(lines 1721 1763) no Hoare annotation was computed. [2018-11-18 11:27:38,352 INFO L425 ceAbstractionStarter]: For program point L1622(lines 1622 1763) no Hoare annotation was computed. [2018-11-18 11:27:38,352 INFO L425 ceAbstractionStarter]: For program point L1746(lines 1746 1763) no Hoare annotation was computed. [2018-11-18 11:27:38,352 INFO L425 ceAbstractionStarter]: For program point L1515(lines 1515 1763) no Hoare annotation was computed. [2018-11-18 11:27:38,352 INFO L425 ceAbstractionStarter]: For program point L1573(lines 1573 1763) no Hoare annotation was computed. [2018-11-18 11:27:38,352 INFO L425 ceAbstractionStarter]: For program point L1540(lines 1540 1763) no Hoare annotation was computed. [2018-11-18 11:27:38,352 INFO L425 ceAbstractionStarter]: For program point L1656(lines 1656 1763) no Hoare annotation was computed. [2018-11-18 11:27:38,352 INFO L425 ceAbstractionStarter]: For program point L1739(lines 1739 1763) no Hoare annotation was computed. [2018-11-18 11:27:38,352 INFO L425 ceAbstractionStarter]: For program point L1566(lines 1566 1763) no Hoare annotation was computed. [2018-11-18 11:27:38,352 INFO L425 ceAbstractionStarter]: For program point L1591(lines 1591 1763) no Hoare annotation was computed. [2018-11-18 11:27:38,352 INFO L425 ceAbstractionStarter]: For program point L1715(lines 1715 1763) no Hoare annotation was computed. [2018-11-18 11:27:38,352 INFO L425 ceAbstractionStarter]: For program point L1682(lines 1682 1763) no Hoare annotation was computed. [2018-11-18 11:27:38,352 INFO L425 ceAbstractionStarter]: For program point L1616(lines 1616 1763) no Hoare annotation was computed. [2018-11-18 11:27:38,352 INFO L425 ceAbstractionStarter]: For program point L1699(lines 1699 1763) no Hoare annotation was computed. [2018-11-18 11:27:38,352 INFO L425 ceAbstractionStarter]: For program point L1633(lines 1633 1763) no Hoare annotation was computed. [2018-11-18 11:27:38,352 INFO L425 ceAbstractionStarter]: For program point L1534(lines 1534 1763) no Hoare annotation was computed. [2018-11-18 11:27:38,352 INFO L425 ceAbstractionStarter]: For program point L1757(lines 1757 1763) no Hoare annotation was computed. [2018-11-18 11:27:38,352 INFO L425 ceAbstractionStarter]: For program point L1559(lines 1559 1763) no Hoare annotation was computed. [2018-11-18 11:27:38,352 INFO L425 ceAbstractionStarter]: For program point L1675(lines 1675 1763) no Hoare annotation was computed. [2018-11-18 11:27:38,352 INFO L425 ceAbstractionStarter]: For program point L1609(lines 1609 1763) no Hoare annotation was computed. [2018-11-18 11:27:38,352 INFO L425 ceAbstractionStarter]: For program point L1510(lines 1510 1763) no Hoare annotation was computed. [2018-11-18 11:27:38,353 INFO L425 ceAbstractionStarter]: For program point L1733(lines 1733 1763) no Hoare annotation was computed. [2018-11-18 11:27:38,353 INFO L421 ceAbstractionStarter]: At program point calculate_output2ENTRY(lines 1494 1765) the Hoare annotation is: (let ((.cse7 (= |old(~a16~0)| ~a16~0)) (.cse16 (= |old(~a15~0)| ~a15~0)) (.cse6 (= ~a18~0 |old(~a18~0)|)) (.cse8 (= |old(~a12~0)| ~a12~0)) (.cse1 (= 4 |old(~a15~0)|))) (let ((.cse5 (= 8 |old(~a12~0)|)) (.cse0 (< 9 |old(~a16~0)|)) (.cse14 (not .cse1)) (.cse19 (and .cse16 (= ~a16~0 |old(~a16~0)|) .cse6 .cse8)) (.cse9 (not (= 9 |old(~a16~0)|))) (.cse18 (not (= 8 |old(~a16~0)|))) (.cse4 (and .cse7 .cse16 .cse8)) (.cse17 (= ~a16~0 10)) (.cse2 (<= (+ ~a18~0 156) 0)) (.cse15 (not (= 10 |old(~a16~0)|))) (.cse3 (< 0 (+ |old(~a18~0)| 156)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse5) (or (and .cse6 .cse7 (= ~a15~0 |old(~a15~0)|) .cse8) (or (not .cse5) .cse9) (forall ((v_prenex_48 Int)) (let ((.cse13 (* 9 v_prenex_48))) (let ((.cse12 (div .cse13 10))) (let ((.cse11 (+ .cse12 1))) (let ((.cse10 (mod .cse11 106))) (or (< |old(~a18~0)| (+ .cse10 27)) (<= 0 .cse11) (not (= (mod .cse12 106) 0)) (= (mod .cse13 10) 0) (<= 0 .cse13) (= .cse10 0)))))))) (or .cse0 .cse4 .cse1 .cse3) (or .cse14 (< 6 |old(~a12~0)|) .cse15 (and .cse16 .cse6 .cse17 .cse8)) (or .cse14 .cse18 .cse19) (or .cse14 .cse19 .cse9) (or .cse18 .cse4) (or (and (and (= ~a16~0 11) (= ~a15~0 3)) .cse6 .cse8) (or (not (= 3 |old(~a15~0)|)) (= 0 |old(~a12~0)|) (not (= 11 |old(~a16~0)|)))) (or (and .cse7 .cse6 .cse16 .cse8) .cse1 (< |old(~a16~0)| 12)) (or (and .cse17 .cse16 .cse8) .cse1 .cse15) (or .cse1 .cse2 .cse15 .cse3)))) [2018-11-18 11:27:38,353 INFO L425 ceAbstractionStarter]: For program point L1527(lines 1527 1763) no Hoare annotation was computed. [2018-11-18 11:27:38,353 INFO L425 ceAbstractionStarter]: For program point L1651(lines 1651 1763) no Hoare annotation was computed. [2018-11-18 11:27:38,353 INFO L425 ceAbstractionStarter]: For program point L1585(lines 1585 1763) no Hoare annotation was computed. [2018-11-18 11:27:38,353 INFO L425 ceAbstractionStarter]: For program point L1709(lines 1709 1763) no Hoare annotation was computed. [2018-11-18 11:27:38,353 INFO L425 ceAbstractionStarter]: For program point L1503(lines 1503 1763) no Hoare annotation was computed. [2018-11-18 11:27:38,353 INFO L425 ceAbstractionStarter]: For program point L1693(lines 1693 1763) no Hoare annotation was computed. [2018-11-18 11:27:38,353 INFO L425 ceAbstractionStarter]: For program point L1553(lines 1553 1763) no Hoare annotation was computed. [2018-11-18 11:27:38,353 INFO L425 ceAbstractionStarter]: For program point calculate_output2FINAL(lines 1494 1765) no Hoare annotation was computed. [2018-11-18 11:27:38,353 INFO L425 ceAbstractionStarter]: For program point L1669(lines 1669 1763) no Hoare annotation was computed. [2018-11-18 11:27:38,353 INFO L425 ceAbstractionStarter]: For program point L1603(lines 1603 1763) no Hoare annotation was computed. [2018-11-18 11:27:38,353 INFO L425 ceAbstractionStarter]: For program point L1727(lines 1727 1763) no Hoare annotation was computed. [2018-11-18 11:27:38,353 INFO L425 ceAbstractionStarter]: For program point L1628(lines 1628 1763) no Hoare annotation was computed. [2018-11-18 11:27:38,353 INFO L425 ceAbstractionStarter]: For program point L1752(lines 1752 1763) no Hoare annotation was computed. [2018-11-18 11:27:38,353 INFO L425 ceAbstractionStarter]: For program point L1521(lines 1521 1763) no Hoare annotation was computed. [2018-11-18 11:27:38,353 INFO L425 ceAbstractionStarter]: For program point L1645(lines 1645 1763) no Hoare annotation was computed. [2018-11-18 11:27:38,353 INFO L425 ceAbstractionStarter]: For program point L1579(lines 1579 1763) no Hoare annotation was computed. [2018-11-18 11:27:38,353 INFO L425 ceAbstractionStarter]: For program point L1546(lines 1546 1763) no Hoare annotation was computed. [2018-11-18 11:27:38,353 INFO L425 ceAbstractionStarter]: For program point L894(lines 894 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,354 INFO L425 ceAbstractionStarter]: For program point L828(lines 828 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,354 INFO L425 ceAbstractionStarter]: For program point L696(lines 696 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,354 INFO L425 ceAbstractionStarter]: For program point L1291(lines 1291 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,354 INFO L425 ceAbstractionStarter]: For program point L168-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:27:38,354 INFO L425 ceAbstractionStarter]: For program point L102-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:27:38,354 INFO L425 ceAbstractionStarter]: For program point L36-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:27:38,354 INFO L425 ceAbstractionStarter]: For program point L961(lines 961 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,354 INFO L425 ceAbstractionStarter]: For program point L763(lines 763 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,354 INFO L425 ceAbstractionStarter]: For program point L631(lines 631 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,354 INFO L425 ceAbstractionStarter]: For program point L367(lines 367 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,354 INFO L425 ceAbstractionStarter]: For program point L1358(lines 1358 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,354 INFO L425 ceAbstractionStarter]: For program point L235(lines 235 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,354 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-18 11:27:38,354 INFO L425 ceAbstractionStarter]: For program point L1160(lines 1160 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,354 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-18 11:27:38,354 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-18 11:27:38,354 INFO L421 ceAbstractionStarter]: At program point L1491(line 1491) the Hoare annotation is: (let ((.cse27 (= 8 |old(~a12~0)|)) (.cse11 (= |old(~a16~0)| ~a16~0)) (.cse23 (= 4 |old(~a15~0)|)) (.cse29 (+ ~a18~0 156)) (.cse5 (= |old(~a15~0)| ~a15~0)) (.cse30 (not (= calculate_output_~input 0))) (.cse31 (= ~a16~0 |old(~a16~0)|)) (.cse17 (= ~a18~0 |old(~a18~0)|)) (.cse6 (= |old(~a12~0)| ~a12~0))) (let ((.cse0 (= 6 |old(~a12~0)|)) (.cse3 (and .cse5 .cse30 .cse31 .cse17 .cse6)) (.cse2 (= 0 |old(~a12~0)|)) (.cse4 (<= .cse29 0)) (.cse25 (< 9 |old(~a16~0)|)) (.cse24 (< 0 (+ |old(~a18~0)| 156))) (.cse9 (not (= calculate_output_~input 1))) (.cse18 (not .cse23)) (.cse22 (and .cse5 .cse31 .cse17 .cse6)) (.cse10 (not (= 9 |old(~a16~0)|))) (.cse21 (not (= 8 |old(~a16~0)|))) (.cse26 (and .cse11 .cse5 .cse6)) (.cse19 (= ~a16~0 10)) (.cse20 (not (= 10 |old(~a16~0)|))) (.cse7 (not (= 11 |old(~a16~0)|))) (.cse12 (not .cse27)) (.cse1 (not (= 3 |old(~a15~0)|))) (.cse28 (not (= 5 |old(~a12~0)|))) (.cse8 (= |calculate_output_#in~input| 0))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 (= ~a12~0 5) .cse5 (= ~a16~0 11) .cse6) .cse7 .cse8) (or (not (= ~a15~0 4)) (or (< 134 ~a18~0) .cse9) (not .cse0) .cse10) (or (and .cse4 .cse11 .cse5 .cse6) .cse12 (forall ((v_prenex_48 Int)) (let ((.cse16 (* 9 v_prenex_48))) (let ((.cse15 (div .cse16 10))) (let ((.cse14 (+ .cse15 1))) (let ((.cse13 (mod .cse14 106))) (or (< |old(~a18~0)| (+ .cse13 27)) (<= 0 .cse14) (not (= (mod .cse15 106) 0)) (= (mod .cse16 10) 0) (<= 0 .cse16) (= .cse13 0))))))) (and (and (= 8 ~a12~0) .cse11) .cse17 (= ~a15~0 |old(~a15~0)|)) .cse10) (or .cse3 (or (and (not (= (+ |old(~a18~0)| 87) 0)) (not (= 0 (mod |old(~a12~0)| 2)))) .cse1 .cse2 .cse7 .cse8)) (or .cse18 (and .cse5 .cse17 .cse19 .cse6) (< 6 |old(~a12~0)|) .cse20) (or .cse18 .cse21 .cse22) (or .cse23 .cse4 .cse20 .cse24) (or .cse22 .cse23 (< |old(~a16~0)| 12)) (or .cse25 .cse23 .cse4 .cse24) (or .cse26 .cse25 .cse23 .cse27) (or .cse25 .cse26 .cse23 .cse24) (or .cse18 .cse28 .cse9 .cse10) (or .cse18 .cse22 .cse10) (or .cse21 .cse26) (or (and .cse19 .cse5 .cse6) .cse23 .cse20) (or (or .cse1 .cse7 .cse8) .cse12 (or (not (= calculate_output_~input 3)) (< 0 .cse29))) (or .cse1 .cse28 .cse8 (= 0 |old(~a16~0)|) .cse30)))) [2018-11-18 11:27:38,354 INFO L425 ceAbstractionStarter]: For program point L434(lines 434 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,354 INFO L425 ceAbstractionStarter]: For program point L1491-1(line 1491) no Hoare annotation was computed. [2018-11-18 11:27:38,354 INFO L425 ceAbstractionStarter]: For program point L1227(lines 1227 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,355 INFO L425 ceAbstractionStarter]: For program point L567(lines 567 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,355 INFO L425 ceAbstractionStarter]: For program point L501(lines 501 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,355 INFO L425 ceAbstractionStarter]: For program point L303(lines 303 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,355 INFO L425 ceAbstractionStarter]: For program point L171-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:27:38,355 INFO L425 ceAbstractionStarter]: For program point L105-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:27:38,355 INFO L425 ceAbstractionStarter]: For program point L39-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:27:38,355 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-18 11:27:38,355 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-18 11:27:38,355 INFO L425 ceAbstractionStarter]: For program point L1097(lines 1097 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,355 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-18 11:27:38,355 INFO L425 ceAbstractionStarter]: For program point L1031(lines 1031 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,355 INFO L425 ceAbstractionStarter]: For program point L899(lines 899 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,355 INFO L425 ceAbstractionStarter]: For program point L1428(lines 1428 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,355 INFO L425 ceAbstractionStarter]: For program point L834(lines 834 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,355 INFO L425 ceAbstractionStarter]: For program point L636(lines 636 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,355 INFO L425 ceAbstractionStarter]: For program point L1297(lines 1297 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,355 INFO L425 ceAbstractionStarter]: For program point L240(lines 240 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,355 INFO L425 ceAbstractionStarter]: For program point L174-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:27:38,355 INFO L425 ceAbstractionStarter]: For program point L108-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:27:38,355 INFO L425 ceAbstractionStarter]: For program point L42-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:27:38,355 INFO L425 ceAbstractionStarter]: For program point L967(lines 967 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,355 INFO L425 ceAbstractionStarter]: For program point L769(lines 769 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,355 INFO L425 ceAbstractionStarter]: For program point L703(lines 703 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,355 INFO L425 ceAbstractionStarter]: For program point L373(lines 373 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,355 INFO L425 ceAbstractionStarter]: For program point L1364(lines 1364 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,356 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-18 11:27:38,356 INFO L425 ceAbstractionStarter]: For program point L1166(lines 1166 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,356 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-18 11:27:38,356 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-18 11:27:38,356 INFO L425 ceAbstractionStarter]: For program point L440(lines 440 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,356 INFO L425 ceAbstractionStarter]: For program point L573(lines 573 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,356 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,356 INFO L425 ceAbstractionStarter]: For program point L1234(lines 1234 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,356 INFO L425 ceAbstractionStarter]: For program point L177-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:27:38,356 INFO L425 ceAbstractionStarter]: For program point L111-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:27:38,356 INFO L425 ceAbstractionStarter]: For program point L45-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:27:38,356 INFO L425 ceAbstractionStarter]: For program point L1036(lines 1036 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,356 INFO L425 ceAbstractionStarter]: For program point L706(lines 706 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,356 INFO L425 ceAbstractionStarter]: For program point L508(lines 508 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,356 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-18 11:27:38,356 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-18 11:27:38,356 INFO L425 ceAbstractionStarter]: For program point L1103(lines 1103 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,356 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-18 11:27:38,356 INFO L425 ceAbstractionStarter]: For program point L905(lines 905 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,356 INFO L425 ceAbstractionStarter]: For program point L641(lines 641 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,356 INFO L425 ceAbstractionStarter]: For program point L443(lines 443 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,356 INFO L425 ceAbstractionStarter]: For program point L1434(lines 1434 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,356 INFO L425 ceAbstractionStarter]: For program point L840(lines 840 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,356 INFO L425 ceAbstractionStarter]: For program point L1303(lines 1303 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,356 INFO L425 ceAbstractionStarter]: For program point L246(lines 246 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,356 INFO L425 ceAbstractionStarter]: For program point L180-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:27:38,356 INFO L425 ceAbstractionStarter]: For program point L114-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:27:38,357 INFO L425 ceAbstractionStarter]: For program point L48-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:27:38,357 INFO L425 ceAbstractionStarter]: For program point L775(lines 775 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,357 INFO L425 ceAbstractionStarter]: For program point L1370(lines 1370 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,357 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-18 11:27:38,357 INFO L425 ceAbstractionStarter]: For program point L1172(lines 1172 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,357 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-18 11:27:38,357 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-18 11:27:38,357 INFO L425 ceAbstractionStarter]: For program point L974(lines 974 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,357 INFO L425 ceAbstractionStarter]: For program point L578(lines 578 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,357 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,357 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,357 INFO L425 ceAbstractionStarter]: For program point L183-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:27:38,357 INFO L425 ceAbstractionStarter]: For program point L117-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:27:38,357 INFO L425 ceAbstractionStarter]: For program point L51-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:27:38,357 INFO L425 ceAbstractionStarter]: For program point L1042(lines 1042 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,357 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:27:38,357 INFO L425 ceAbstractionStarter]: For program point L778(lines 778 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,357 INFO L425 ceAbstractionStarter]: For program point L712(lines 712 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,357 INFO L425 ceAbstractionStarter]: For program point L1241(lines 1241 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,358 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-18 11:27:38,358 INFO L425 ceAbstractionStarter]: For program point L1175(lines 1175 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,358 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-18 11:27:38,358 INFO L425 ceAbstractionStarter]: For program point L1109(lines 1109 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,358 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-18 11:27:38,358 INFO L425 ceAbstractionStarter]: For program point L515(lines 515 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,358 INFO L425 ceAbstractionStarter]: For program point L449(lines 449 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,358 INFO L425 ceAbstractionStarter]: For program point L1440(lines 1440 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,358 INFO L425 ceAbstractionStarter]: For program point L912(lines 912 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,358 INFO L425 ceAbstractionStarter]: For program point L846(lines 846 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,358 INFO L425 ceAbstractionStarter]: For program point L648(lines 648 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,358 INFO L425 ceAbstractionStarter]: For program point L1375(lines 1375 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,358 INFO L425 ceAbstractionStarter]: For program point L1309(lines 1309 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,358 INFO L425 ceAbstractionStarter]: For program point L252(lines 252 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,358 INFO L425 ceAbstractionStarter]: For program point L186-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:27:38,359 INFO L425 ceAbstractionStarter]: For program point L120-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:27:38,359 INFO L425 ceAbstractionStarter]: For program point L54-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:27:38,359 INFO L425 ceAbstractionStarter]: For program point L979(lines 979 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,359 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-18 11:27:38,359 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-18 11:27:38,359 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-18 11:27:38,359 INFO L425 ceAbstractionStarter]: For program point L584(lines 584 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,359 INFO L425 ceAbstractionStarter]: For program point L386(lines 386 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,359 INFO L425 ceAbstractionStarter]: For program point L717(lines 717 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,359 INFO L425 ceAbstractionStarter]: For program point L321(lines 321 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,359 INFO L425 ceAbstractionStarter]: For program point L189-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:27:38,359 INFO L425 ceAbstractionStarter]: For program point L123-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:27:38,359 INFO L425 ceAbstractionStarter]: For program point L1114(lines 1114 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,359 INFO L425 ceAbstractionStarter]: For program point L57-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:27:38,359 INFO L425 ceAbstractionStarter]: For program point L1048(lines 1048 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,360 INFO L425 ceAbstractionStarter]: For program point L784(lines 784 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,360 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,360 INFO L425 ceAbstractionStarter]: For program point L1247(lines 1247 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,360 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-18 11:27:38,360 INFO L425 ceAbstractionStarter]: For program point L1181(lines 1181 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,360 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-18 11:27:38,360 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-18 11:27:38,360 INFO L425 ceAbstractionStarter]: For program point L917(lines 917 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,360 INFO L425 ceAbstractionStarter]: For program point L851(lines 851 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,360 INFO L425 ceAbstractionStarter]: For program point L521(lines 521 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,360 INFO L425 ceAbstractionStarter]: For program point L1446(lines 1446 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,360 INFO L425 ceAbstractionStarter]: For program point L1314(lines 1314 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,360 INFO L425 ceAbstractionStarter]: For program point L257(lines 257 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,361 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 23 1492) the Hoare annotation is: (let ((.cse19 (= |old(~a16~0)| ~a16~0)) (.cse8 (= |old(~a15~0)| ~a15~0)) (.cse11 (= ~a18~0 |old(~a18~0)|)) (.cse9 (= |old(~a12~0)| ~a12~0)) (.cse1 (= 4 |old(~a15~0)|))) (let ((.cse0 (< 9 |old(~a16~0)|)) (.cse7 (= ~a16~0 10)) (.cse10 (not .cse1)) (.cse5 (= 8 |old(~a12~0)|)) (.cse12 (and .cse8 (= ~a16~0 |old(~a16~0)|) .cse11 .cse9)) (.cse14 (not (= 9 |old(~a16~0)|))) (.cse13 (not (= 8 |old(~a16~0)|))) (.cse4 (and .cse19 .cse8 .cse9)) (.cse2 (<= (+ ~a18~0 156) 0)) (.cse6 (not (= 10 |old(~a16~0)|))) (.cse3 (< 0 (+ |old(~a18~0)| 156)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse5) (or .cse0 .cse4 .cse1 .cse3) (or .cse1 .cse6 (and .cse7 .cse8 .cse9)) (or .cse10 (< 6 |old(~a12~0)|) .cse6 (and .cse8 .cse11 .cse7 .cse9)) (or .cse12 (or (not (= 3 |old(~a15~0)|)) (= 0 |old(~a12~0)|) (not (= 11 |old(~a16~0)|)) (= |calculate_output_#in~input| 0))) (or .cse10 .cse13 .cse12) (or .cse10 .cse12 .cse14) (or (not .cse5) .cse12 (forall ((v_prenex_48 Int)) (let ((.cse18 (* 9 v_prenex_48))) (let ((.cse17 (div .cse18 10))) (let ((.cse16 (+ .cse17 1))) (let ((.cse15 (mod .cse16 106))) (or (< |old(~a18~0)| (+ .cse15 27)) (<= 0 .cse16) (not (= (mod .cse17 106) 0)) (= (mod .cse18 10) 0) (<= 0 .cse18) (= .cse15 0))))))) .cse14) (or .cse13 .cse4) (or (and .cse19 .cse11 .cse8 .cse9) .cse1 (< |old(~a16~0)| 12)) (or .cse1 .cse2 .cse6 .cse3)))) [2018-11-18 11:27:38,361 INFO L425 ceAbstractionStarter]: For program point L1381(lines 1381 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,361 INFO L425 ceAbstractionStarter]: For program point L192-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:27:38,361 INFO L425 ceAbstractionStarter]: For program point L126-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:27:38,361 INFO L425 ceAbstractionStarter]: For program point L60-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:27:38,361 INFO L425 ceAbstractionStarter]: For program point L655(lines 655 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,361 INFO L425 ceAbstractionStarter]: For program point L589(lines 589 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,361 INFO L425 ceAbstractionStarter]: For program point L457(lines 457 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,361 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,361 INFO L425 ceAbstractionStarter]: For program point L1250(lines 1250 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,361 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-18 11:27:38,362 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-18 11:27:38,362 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-18 11:27:38,362 INFO L425 ceAbstractionStarter]: For program point L986(lines 986 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,362 INFO L425 ceAbstractionStarter]: For program point L1449(lines 1449 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,362 INFO L425 ceAbstractionStarter]: For program point L789(lines 789 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,362 INFO L425 ceAbstractionStarter]: For program point L723(lines 723 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,362 INFO L425 ceAbstractionStarter]: For program point L327(lines 327 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,362 INFO L425 ceAbstractionStarter]: For program point L195-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:27:38,362 INFO L425 ceAbstractionStarter]: For program point L129-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:27:38,362 INFO L425 ceAbstractionStarter]: For program point L1120(lines 1120 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,362 INFO L425 ceAbstractionStarter]: For program point L63-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:27:38,362 INFO L425 ceAbstractionStarter]: For program point L922(lines 922 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,362 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,362 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-18 11:27:38,363 INFO L425 ceAbstractionStarter]: For program point L1187(lines 1187 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,363 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-18 11:27:38,363 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-18 11:27:38,363 INFO L425 ceAbstractionStarter]: For program point L1055(lines 1055 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,363 INFO L425 ceAbstractionStarter]: For program point L857(lines 857 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,363 INFO L425 ceAbstractionStarter]: For program point L527(lines 527 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,363 INFO L425 ceAbstractionStarter]: For program point L1386(lines 1386 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,363 INFO L425 ceAbstractionStarter]: For program point L594(lines 594 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,363 INFO L425 ceAbstractionStarter]: For program point L1321(lines 1321 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,363 INFO L425 ceAbstractionStarter]: For program point L198-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:27:38,363 INFO L425 ceAbstractionStarter]: For program point L132-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:27:38,363 INFO L425 ceAbstractionStarter]: For program point L66-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:27:38,363 INFO L425 ceAbstractionStarter]: For program point L661(lines 661 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,363 INFO L425 ceAbstractionStarter]: For program point L463(lines 463 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,363 INFO L425 ceAbstractionStarter]: For program point L1256(lines 1256 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,364 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-18 11:27:38,364 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-18 11:27:38,364 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-18 11:27:38,364 INFO L425 ceAbstractionStarter]: For program point L728(lines 728 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,364 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,364 INFO L425 ceAbstractionStarter]: For program point L1125(lines 1125 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,364 INFO L425 ceAbstractionStarter]: For program point L993(lines 993 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,364 INFO L425 ceAbstractionStarter]: For program point L1456(lines 1456 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,364 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,364 INFO L425 ceAbstractionStarter]: For program point L201-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:27:38,364 INFO L425 ceAbstractionStarter]: For program point L135-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:27:38,364 INFO L425 ceAbstractionStarter]: For program point L69-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:27:38,364 INFO L425 ceAbstractionStarter]: For program point L796(lines 796 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,364 INFO L425 ceAbstractionStarter]: For program point L664(lines 664 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,364 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,365 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-18 11:27:38,365 INFO L425 ceAbstractionStarter]: For program point L1193(lines 1193 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,365 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-18 11:27:38,365 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-18 11:27:38,365 INFO L425 ceAbstractionStarter]: For program point L1061(lines 1061 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,365 INFO L425 ceAbstractionStarter]: For program point L929(lines 929 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,365 INFO L425 ceAbstractionStarter]: For program point L863(lines 863 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,365 INFO L425 ceAbstractionStarter]: For program point L533(lines 533 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,365 INFO L425 ceAbstractionStarter]: For program point L1392(lines 1392 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,365 INFO L425 ceAbstractionStarter]: For program point L600(lines 600 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,365 INFO L425 ceAbstractionStarter]: For program point L1327(lines 1327 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,365 INFO L425 ceAbstractionStarter]: For program point L204-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:27:38,365 INFO L425 ceAbstractionStarter]: For program point L138-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:27:38,365 INFO L425 ceAbstractionStarter]: For program point L72-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:27:38,366 INFO L425 ceAbstractionStarter]: For program point L469(lines 469 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,366 INFO L425 ceAbstractionStarter]: For program point L1262(lines 1262 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,366 INFO L425 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2018-11-18 11:27:38,366 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-18 11:27:38,366 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-18 11:27:38,366 INFO L425 ceAbstractionStarter]: For program point L734(lines 734 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,366 INFO L425 ceAbstractionStarter]: For program point L1461(lines 1461 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,366 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,366 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,366 INFO L425 ceAbstractionStarter]: For program point L1131(lines 1131 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,366 INFO L425 ceAbstractionStarter]: For program point L999(lines 999 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,366 INFO L425 ceAbstractionStarter]: For program point L141-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:27:38,366 INFO L425 ceAbstractionStarter]: For program point L75-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:27:38,366 INFO L425 ceAbstractionStarter]: For program point L802(lines 802 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,366 INFO L425 ceAbstractionStarter]: For program point L670(lines 670 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,367 INFO L425 ceAbstractionStarter]: For program point L538(lines 538 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,367 INFO L425 ceAbstractionStarter]: For program point L1397(lines 1397 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,367 INFO L425 ceAbstractionStarter]: For program point L274(lines 274 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,367 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-18 11:27:38,367 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-18 11:27:38,367 INFO L425 ceAbstractionStarter]: For program point L1067(lines 1067 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,367 INFO L425 ceAbstractionStarter]: For program point L935(lines 935 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,367 INFO L425 ceAbstractionStarter]: For program point L869(lines 869 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,367 INFO L425 ceAbstractionStarter]: For program point L1200(lines 1200 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,367 INFO L425 ceAbstractionStarter]: For program point L606(lines 606 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,367 INFO L425 ceAbstractionStarter]: For program point L1267(lines 1267 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,367 INFO L425 ceAbstractionStarter]: For program point L144-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:27:38,367 INFO L425 ceAbstractionStarter]: For program point L78-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:27:38,367 INFO L425 ceAbstractionStarter]: For program point L1466(lines 1466 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,367 INFO L425 ceAbstractionStarter]: For program point L1334(lines 1334 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,368 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-18 11:27:38,368 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-18 11:27:38,368 INFO L425 ceAbstractionStarter]: For program point L476(lines 476 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,368 INFO L425 ceAbstractionStarter]: For program point L1137(lines 1137 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,368 INFO L425 ceAbstractionStarter]: For program point L1005(lines 1005 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,368 INFO L425 ceAbstractionStarter]: For program point L741(lines 741 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,368 INFO L425 ceAbstractionStarter]: For program point L543(lines 543 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,368 INFO L425 ceAbstractionStarter]: For program point L411(lines 411 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,368 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,368 INFO L425 ceAbstractionStarter]: For program point L279(lines 279 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,368 INFO L425 ceAbstractionStarter]: For program point L213(lines 213 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,368 INFO L425 ceAbstractionStarter]: For program point L147-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:27:38,368 INFO L425 ceAbstractionStarter]: For program point L81-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:27:38,368 INFO L425 ceAbstractionStarter]: For program point L808(lines 808 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,369 INFO L425 ceAbstractionStarter]: For program point L1403(lines 1403 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,369 INFO L425 ceAbstractionStarter]: For program point L1205(lines 1205 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,369 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-18 11:27:38,369 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-18 11:27:38,369 INFO L425 ceAbstractionStarter]: For program point L1073(lines 1073 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,369 INFO L425 ceAbstractionStarter]: For program point L875(lines 875 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,369 INFO L425 ceAbstractionStarter]: For program point L677(lines 677 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,369 INFO L425 ceAbstractionStarter]: For program point L942(lines 942 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,369 INFO L425 ceAbstractionStarter]: For program point L612(lines 612 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,369 INFO L425 ceAbstractionStarter]: For program point L150-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:27:38,369 INFO L425 ceAbstractionStarter]: For program point L84-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:27:38,369 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:27:38,369 INFO L425 ceAbstractionStarter]: For program point L1472(lines 1472 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,369 INFO L425 ceAbstractionStarter]: For program point L1274(lines 1274 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,370 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-18 11:27:38,370 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-18 11:27:38,370 INFO L425 ceAbstractionStarter]: For program point L746(lines 746 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,370 INFO L425 ceAbstractionStarter]: For program point L680(lines 680 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,370 INFO L425 ceAbstractionStarter]: For program point L548(lines 548 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,370 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 151) no Hoare annotation was computed. [2018-11-18 11:27:38,370 INFO L425 ceAbstractionStarter]: For program point L350(lines 350 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,370 INFO L425 ceAbstractionStarter]: For program point L1341(lines 1341 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,370 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,370 INFO L425 ceAbstractionStarter]: For program point L1143(lines 1143 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,370 INFO L425 ceAbstractionStarter]: For program point L1011(lines 1011 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,370 INFO L425 ceAbstractionStarter]: For program point L483(lines 483 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,370 INFO L425 ceAbstractionStarter]: For program point L417(lines 417 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,371 INFO L425 ceAbstractionStarter]: For program point L285(lines 285 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,371 INFO L425 ceAbstractionStarter]: For program point L153-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:27:38,371 INFO L425 ceAbstractionStarter]: For program point L87-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:27:38,371 INFO L425 ceAbstractionStarter]: For program point L1409(lines 1409 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,371 INFO L425 ceAbstractionStarter]: For program point L1211(lines 1211 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,371 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-18 11:27:38,371 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-18 11:27:38,371 INFO L425 ceAbstractionStarter]: For program point L1079(lines 1079 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,371 INFO L425 ceAbstractionStarter]: For program point L815(lines 815 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,371 INFO L425 ceAbstractionStarter]: For program point L948(lines 948 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,371 INFO L425 ceAbstractionStarter]: For program point L882(lines 882 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,371 INFO L425 ceAbstractionStarter]: For program point L618(lines 618 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,371 INFO L425 ceAbstractionStarter]: For program point L1477(lines 1477 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,371 INFO L425 ceAbstractionStarter]: For program point L156-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:27:38,371 INFO L425 ceAbstractionStarter]: For program point L90-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:27:38,372 INFO L425 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2018-11-18 11:27:38,372 INFO L425 ceAbstractionStarter]: For program point L24-2(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:27:38,372 INFO L425 ceAbstractionStarter]: For program point L1280(lines 1280 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,372 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,372 INFO L425 ceAbstractionStarter]: For program point L1214(lines 1214 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,372 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-18 11:27:38,372 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-18 11:27:38,372 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-18 11:27:38,372 INFO L425 ceAbstractionStarter]: For program point L752(lines 752 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,372 INFO L425 ceAbstractionStarter]: For program point L686(lines 686 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,372 INFO L425 ceAbstractionStarter]: For program point L554(lines 554 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,372 INFO L425 ceAbstractionStarter]: For program point L356(lines 356 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,372 INFO L425 ceAbstractionStarter]: For program point L1347(lines 1347 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,372 INFO L425 ceAbstractionStarter]: For program point L290(lines 290 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,372 INFO L425 ceAbstractionStarter]: For program point L1149(lines 1149 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,373 INFO L425 ceAbstractionStarter]: For program point L489(lines 489 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,373 INFO L425 ceAbstractionStarter]: For program point L159-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:27:38,373 INFO L425 ceAbstractionStarter]: For program point L93-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:27:38,373 INFO L425 ceAbstractionStarter]: For program point L27-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:27:38,373 INFO L425 ceAbstractionStarter]: For program point L1018(lines 1018 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,373 INFO L425 ceAbstractionStarter]: For program point L424(lines 424 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,373 INFO L425 ceAbstractionStarter]: For program point L1415(lines 1415 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,373 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-18 11:27:38,373 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-18 11:27:38,373 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-18 11:27:38,373 INFO L425 ceAbstractionStarter]: For program point L1086(lines 1086 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,373 INFO L425 ceAbstractionStarter]: For program point L954(lines 954 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,373 INFO L425 ceAbstractionStarter]: For program point L888(lines 888 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,373 INFO L425 ceAbstractionStarter]: For program point L822(lines 822 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,373 INFO L425 ceAbstractionStarter]: For program point L624(lines 624 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,374 INFO L425 ceAbstractionStarter]: For program point L162-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:27:38,374 INFO L425 ceAbstractionStarter]: For program point L96-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:27:38,374 INFO L425 ceAbstractionStarter]: For program point L30-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:27:38,374 INFO L425 ceAbstractionStarter]: For program point L691(lines 691 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,374 INFO L425 ceAbstractionStarter]: For program point L1484(lines 1484 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,374 INFO L425 ceAbstractionStarter]: For program point L427(lines 427 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,374 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,374 INFO L425 ceAbstractionStarter]: For program point L1286(lines 1286 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,374 INFO L425 ceAbstractionStarter]: For program point L229(lines 229 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,374 INFO L425 ceAbstractionStarter]: For program point L1220(lines 1220 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,374 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-18 11:27:38,374 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-18 11:27:38,374 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-18 11:27:38,374 INFO L425 ceAbstractionStarter]: For program point L758(lines 758 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,374 INFO L425 ceAbstractionStarter]: For program point L560(lines 560 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,374 INFO L425 ceAbstractionStarter]: For program point L1353(lines 1353 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,375 INFO L425 ceAbstractionStarter]: For program point L1155(lines 1155 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,375 INFO L425 ceAbstractionStarter]: For program point L495(lines 495 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,375 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,375 INFO L425 ceAbstractionStarter]: For program point L165-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:27:38,375 INFO L425 ceAbstractionStarter]: For program point L99-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:27:38,375 INFO L425 ceAbstractionStarter]: For program point L33-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:27:38,375 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-18 11:27:38,375 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-18 11:27:38,375 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-18 11:27:38,375 INFO L425 ceAbstractionStarter]: For program point L1025(lines 1025 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,375 INFO L425 ceAbstractionStarter]: For program point L1422(lines 1422 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,375 INFO L425 ceAbstractionStarter]: For program point L1092(lines 1092 1490) no Hoare annotation was computed. [2018-11-18 11:27:38,375 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 11:27:38,376 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 11:27:38,376 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 11:27:38,376 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 11:27:38,376 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)|)) (and (= ~a16~0 |old(~a16~0)|) (= 3 ~a15~0) (= ~a18~0 |old(~a18~0)|) (= |old(~a12~0)| ~a12~0)) (not (= (+ |old(~a18~0)| 87) 0))) [2018-11-18 11:27:38,376 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 1767 1783) no Hoare annotation was computed. [2018-11-18 11:27:38,376 INFO L421 ceAbstractionStarter]: At program point L1781(line 1781) the Hoare annotation is: (let ((.cse1 (= ~a16~0 10)) (.cse2 (<= 12 ~a16~0)) (.cse5 (= 9 ~a16~0)) (.cse10 (+ |old(~a18~0)| 87)) (.cse0 (not (= ~a15~0 4))) (.cse3 (<= ~a16~0 9)) (.cse4 (= |old(~a15~0)| ~a15~0))) (or (and .cse0 .cse1) (not (= 11 |old(~a16~0)|)) (and (<= ~a12~0 6) .cse1) (and .cse2 (not (= ~a12~0 6)) .cse0) (not (= 3 |old(~a15~0)|)) (and .cse0 .cse3 (not (= ~a12~0 8))) (and .cse2 .cse4) (and .cse5 (= 4 ~a15~0)) (= ~a16~0 8) (and .cse5 (exists ((v_prenex_48 Int)) (let ((.cse6 (* 9 v_prenex_48))) (let ((.cse7 (div .cse6 10))) (let ((.cse9 (+ .cse7 1))) (let ((.cse8 (mod .cse9 106))) (and (not (= (mod .cse6 10) 0)) (= (mod .cse7 106) 0) (not (= .cse8 0)) (< .cse6 0) (< .cse9 0) (<= (+ .cse8 27) ~a18~0)))))))) (not (= 5 |old(~a12~0)|)) (< 0 .cse10) (< .cse10 0) (and (<= (+ ~a18~0 156) 0) .cse0 .cse3) (and (not (= main_~input~0 0)) .cse4 (not (= ~a12~0 0)) (= ~a16~0 |old(~a16~0)|)))) [2018-11-18 11:27:38,376 INFO L425 ceAbstractionStarter]: For program point L1781-1(line 1781) no Hoare annotation was computed. [2018-11-18 11:27:38,376 INFO L425 ceAbstractionStarter]: For program point L1778(line 1778) no Hoare annotation was computed. [2018-11-18 11:27:38,376 INFO L425 ceAbstractionStarter]: For program point L1773-1(lines 1773 1782) no Hoare annotation was computed. [2018-11-18 11:27:38,377 INFO L421 ceAbstractionStarter]: At program point L1773-3(lines 1773 1782) the Hoare annotation is: (let ((.cse4 (= ~a12~0 8))) (let ((.cse1 (= ~a16~0 10)) (.cse5 (= 9 ~a16~0)) (.cse3 (not .cse4)) (.cse10 (+ |old(~a18~0)| 87)) (.cse0 (not (= ~a15~0 4))) (.cse2 (<= ~a16~0 9))) (or (and .cse0 .cse1) (not (= 11 |old(~a16~0)|)) (and (<= ~a12~0 6) .cse1) (and (<= 12 ~a16~0) (not (= ~a12~0 6)) .cse0) (not (= 3 |old(~a15~0)|)) (and .cse0 .cse2 .cse3) (and (= ~a16~0 |old(~a16~0)|) .cse4 (= |old(~a15~0)| ~a15~0)) (and .cse5 (= 4 ~a15~0)) (= ~a16~0 8) (and .cse5 (exists ((v_prenex_48 Int)) (let ((.cse6 (* 9 v_prenex_48))) (let ((.cse7 (div .cse6 10))) (let ((.cse9 (+ .cse7 1))) (let ((.cse8 (mod .cse9 106))) (and (not (= (mod .cse6 10) 0)) (= (mod .cse7 106) 0) (not (= .cse8 0)) (< .cse6 0) (< .cse9 0) (<= (+ .cse8 27) ~a18~0)))))))) (not (= 5 |old(~a12~0)|)) (< 0 .cse10) (and (= ~a15~0 3) (not (= ~a12~0 0)) .cse3) (< .cse10 0) (and (<= (+ ~a18~0 156) 0) .cse0 .cse2)))) [2018-11-18 11:27:38,377 INFO L425 ceAbstractionStarter]: For program point L1773-4(lines 1767 1783) no Hoare annotation was computed. [2018-11-18 11:27:38,381 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_48,QUANTIFIED] [2018-11-18 11:27:38,382 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_48,QUANTIFIED] [2018-11-18 11:27:38,382 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_48,QUANTIFIED] [2018-11-18 11:27:38,382 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_48,QUANTIFIED] [2018-11-18 11:27:38,382 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_48,QUANTIFIED] [2018-11-18 11:27:38,382 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_48,QUANTIFIED] [2018-11-18 11:27:38,391 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_48,QUANTIFIED] [2018-11-18 11:27:38,391 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_48,QUANTIFIED] [2018-11-18 11:27:38,391 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_48,QUANTIFIED] [2018-11-18 11:27:38,391 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_48,QUANTIFIED] [2018-11-18 11:27:38,392 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_48,QUANTIFIED] [2018-11-18 11:27:38,392 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_48,QUANTIFIED] [2018-11-18 11:27:38,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 11:27:38 BoogieIcfgContainer [2018-11-18 11:27:38,394 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 11:27:38,394 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:27:38,394 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:27:38,395 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:27:38,395 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:22:35" (3/4) ... [2018-11-18 11:27:38,398 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 11:27:38,402 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 11:27:38,402 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output2 [2018-11-18 11:27:38,402 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 11:27:38,403 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 11:27:38,420 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-18 11:27:38,421 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 11:27:38,440 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((!(a15 == 4) && a16 == 10) || !(11 == \old(a16))) || (a12 <= 6 && a16 == 10)) || ((12 <= a16 && !(a12 == 6)) && !(a15 == 4))) || !(3 == \old(a15))) || ((!(a15 == 4) && a16 <= 9) && !(a12 == 8))) || ((a16 == \old(a16) && a12 == 8) && \old(a15) == a15)) || (9 == a16 && 4 == a15)) || a16 == 8) || (9 == a16 && (\exists v_prenex_48 : int :: ((((!(9 * v_prenex_48 % 10 == 0) && 9 * v_prenex_48 / 10 % 106 == 0) && !((9 * v_prenex_48 / 10 + 1) % 106 == 0)) && 9 * v_prenex_48 < 0) && 9 * v_prenex_48 / 10 + 1 < 0) && (9 * v_prenex_48 / 10 + 1) % 106 + 27 <= a18))) || !(5 == \old(a12))) || 0 < \old(a18) + 87) || ((a15 == 3 && !(a12 == 0)) && !(a12 == 8))) || \old(a18) + 87 < 0) || ((a18 + 156 <= 0 && !(a15 == 4)) && a16 <= 9) [2018-11-18 11:27:38,569 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_bd658a5a-8cb3-4f4b-b669-50ccc15e0342/bin-2019/utaipan/witness.graphml [2018-11-18 11:27:38,569 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:27:38,570 INFO L168 Benchmark]: Toolchain (without parser) took 305523.94 ms. Allocated memory was 1.0 GB in the beginning and 5.4 GB in the end (delta: 4.4 GB). Free memory was 951.2 MB in the beginning and 3.2 GB in the end (delta: -2.2 GB). Peak memory consumption was 2.2 GB. Max. memory is 11.5 GB. [2018-11-18 11:27:38,570 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:27:38,570 INFO L168 Benchmark]: CACSL2BoogieTranslator took 723.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 951.2 MB in the beginning and 1.1 GB in the end (delta: -181.3 MB). Peak memory consumption was 106.8 MB. Max. memory is 11.5 GB. [2018-11-18 11:27:38,571 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 11:27:38,571 INFO L168 Benchmark]: Boogie Preprocessor took 71.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2018-11-18 11:27:38,571 INFO L168 Benchmark]: RCFGBuilder took 1728.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 872.1 MB in the end (delta: 244.1 MB). Peak memory consumption was 244.1 MB. Max. memory is 11.5 GB. [2018-11-18 11:27:38,571 INFO L168 Benchmark]: TraceAbstraction took 302793.27 ms. Allocated memory was 1.2 GB in the beginning and 5.4 GB in the end (delta: 4.3 GB). Free memory was 872.1 MB in the beginning and 3.2 GB in the end (delta: -2.3 GB). Peak memory consumption was 4.3 GB. Max. memory is 11.5 GB. [2018-11-18 11:27:38,572 INFO L168 Benchmark]: Witness Printer took 174.60 ms. Allocated memory is still 5.4 GB. Free memory was 3.2 GB in the beginning and 3.2 GB in the end (delta: 4.3 kB). Peak memory consumption was 4.3 kB. Max. memory is 11.5 GB. [2018-11-18 11:27:38,579 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 723.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 951.2 MB in the beginning and 1.1 GB in the end (delta: -181.3 MB). Peak memory consumption was 106.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 71.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1728.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 872.1 MB in the end (delta: 244.1 MB). Peak memory consumption was 244.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 302793.27 ms. Allocated memory was 1.2 GB in the beginning and 5.4 GB in the end (delta: 4.3 GB). Free memory was 872.1 MB in the beginning and 3.2 GB in the end (delta: -2.3 GB). Peak memory consumption was 4.3 GB. Max. memory is 11.5 GB. * Witness Printer took 174.60 ms. Allocated memory is still 5.4 GB. Free memory was 3.2 GB in the beginning and 3.2 GB in the end (delta: 4.3 kB). Peak memory consumption was 4.3 kB. 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_48,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_48,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_48,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_48,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_48,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_48,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_48,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_48,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_48,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_48,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_48,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_48,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 151]: 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 11:27:38,583 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_48,QUANTIFIED] [2018-11-18 11:27:38,583 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_48,QUANTIFIED] [2018-11-18 11:27:38,583 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_48,QUANTIFIED] [2018-11-18 11:27:38,583 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_48,QUANTIFIED] [2018-11-18 11:27:38,583 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_48,QUANTIFIED] [2018-11-18 11:27:38,583 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_48,QUANTIFIED] [2018-11-18 11:27:38,584 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_48,QUANTIFIED] [2018-11-18 11:27:38,584 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_48,QUANTIFIED] [2018-11-18 11:27:38,584 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_48,QUANTIFIED] [2018-11-18 11:27:38,584 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_48,QUANTIFIED] [2018-11-18 11:27:38,585 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_48,QUANTIFIED] [2018-11-18 11:27:38,585 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_48,QUANTIFIED] Derived loop invariant: ((((((((((((((!(a15 == 4) && a16 == 10) || !(11 == \old(a16))) || (a12 <= 6 && a16 == 10)) || ((12 <= a16 && !(a12 == 6)) && !(a15 == 4))) || !(3 == \old(a15))) || ((!(a15 == 4) && a16 <= 9) && !(a12 == 8))) || ((a16 == \old(a16) && a12 == 8) && \old(a15) == a15)) || (9 == a16 && 4 == a15)) || a16 == 8) || (9 == a16 && (\exists v_prenex_48 : int :: ((((!(9 * v_prenex_48 % 10 == 0) && 9 * v_prenex_48 / 10 % 106 == 0) && !((9 * v_prenex_48 / 10 + 1) % 106 == 0)) && 9 * v_prenex_48 < 0) && 9 * v_prenex_48 / 10 + 1 < 0) && (9 * v_prenex_48 / 10 + 1) % 106 + 27 <= a18))) || !(5 == \old(a12))) || 0 < \old(a18) + 87) || ((a15 == 3 && !(a12 == 0)) && !(a12 == 8))) || \old(a18) + 87 < 0) || ((a18 + 156 <= 0 && !(a15 == 4)) && a16 <= 9) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 410 locations, 1 error locations. SAFE Result, 302.7s OverallTime, 21 OverallIterations, 12 TraceHistogramMax, 218.9s AutomataDifference, 0.0s DeadEndRemovalTime, 11.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 4966 SDtfs, 51070 SDslu, 5029 SDs, 0 SdLazy, 98822 SolverSat, 9671 SolverUnsat, 40 SolverUnknown, 0 SolverNotchecked, 189.5s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 35098 GetRequests, 34599 SyntacticMatches, 41 SemanticMatches, 458 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5985 ImplicationChecksByTransitivity, 7.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25164occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 17.9s AbstIntTime, 15 AbstIntIterations, 4 AbstIntStrong, 0.9980920413795002 AbsIntWeakeningRatio, 0.06060606060606061 AbsIntAvgWeakeningVarsNumRemoved, 15.705965909090908 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 2.6s AutomataMinimizationTime, 21 MinimizatonAttempts, 7446 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 2586 PreInvPairs, 6467 NumberOfFragments, 1534 HoareAnnotationTreeSize, 2586 FomulaSimplifications, 319650 FormulaSimplificationTreeSizeReduction, 3.1s HoareSimplificationTime, 9 FomulaSimplificationsInter, 129806 FormulaSimplificationTreeSizeReductionInter, 8.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.6s SsaConstructionTime, 3.1s SatisfiabilityAnalysisTime, 24.4s InterpolantComputationTime, 37256 NumberOfCodeBlocks, 37256 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 53385 ConstructedInterpolants, 58 QuantifiedInterpolants, 276164123 SizeOfPredicates, 13 NumberOfNonLiveVariables, 20804 ConjunctsInSsa, 65 ConjunctsInUnsatCore, 43 InterpolantComputations, 12 PerfectInterpolantSequences, 152001/169822 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...