./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label17_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d19531b9-97dd-4c5d-a2cc-f4f7f3247d9c/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d19531b9-97dd-4c5d-a2cc-f4f7f3247d9c/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d19531b9-97dd-4c5d-a2cc-f4f7f3247d9c/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d19531b9-97dd-4c5d-a2cc-f4f7f3247d9c/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label17_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d19531b9-97dd-4c5d-a2cc-f4f7f3247d9c/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d19531b9-97dd-4c5d-a2cc-f4f7f3247d9c/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 9969672a88e02d3c3286f963a1c232dc87c73205 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 10:11:36,753 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 10:11:36,753 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 10:11:36,760 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 10:11:36,760 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 10:11:36,760 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 10:11:36,761 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 10:11:36,762 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 10:11:36,762 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 10:11:36,763 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 10:11:36,763 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 10:11:36,763 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 10:11:36,764 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 10:11:36,764 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 10:11:36,765 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 10:11:36,765 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 10:11:36,765 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 10:11:36,766 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 10:11:36,767 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 10:11:36,768 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 10:11:36,768 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 10:11:36,769 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 10:11:36,770 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 10:11:36,770 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 10:11:36,770 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 10:11:36,770 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 10:11:36,771 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 10:11:36,771 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 10:11:36,772 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 10:11:36,772 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 10:11:36,772 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 10:11:36,773 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 10:11:36,773 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 10:11:36,773 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 10:11:36,773 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 10:11:36,774 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 10:11:36,774 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d19531b9-97dd-4c5d-a2cc-f4f7f3247d9c/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 10:11:36,781 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 10:11:36,781 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 10:11:36,781 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 10:11:36,782 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 10:11:36,782 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 10:11:36,782 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 10:11:36,782 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 10:11:36,782 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 10:11:36,782 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 10:11:36,782 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 10:11:36,782 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 10:11:36,782 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 10:11:36,782 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 10:11:36,783 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 10:11:36,783 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 10:11:36,783 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 10:11:36,783 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 10:11:36,783 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 10:11:36,783 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 10:11:36,783 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 10:11:36,784 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 10:11:36,784 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 10:11:36,784 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 10:11:36,784 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 10:11:36,784 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 10:11:36,784 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 10:11:36,784 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 10:11:36,784 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 10:11:36,784 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 10:11:36,784 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 10:11:36,784 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 10:11:36,785 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 10:11:36,785 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 10:11:36,785 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 10:11:36,785 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 10:11:36,785 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 10:11:36,785 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_d19531b9-97dd-4c5d-a2cc-f4f7f3247d9c/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 -> 9969672a88e02d3c3286f963a1c232dc87c73205 [2018-12-09 10:11:36,802 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 10:11:36,810 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 10:11:36,812 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 10:11:36,813 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 10:11:36,813 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 10:11:36,813 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d19531b9-97dd-4c5d-a2cc-f4f7f3247d9c/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem16_label17_true-unreach-call.c [2018-12-09 10:11:36,853 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d19531b9-97dd-4c5d-a2cc-f4f7f3247d9c/bin-2019/utaipan/data/85b82c349/e6e0a37ffea7436395d144c63599c7a3/FLAG3dc6c26e1 [2018-12-09 10:11:37,269 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 10:11:37,269 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d19531b9-97dd-4c5d-a2cc-f4f7f3247d9c/sv-benchmarks/c/eca-rers2012/Problem16_label17_true-unreach-call.c [2018-12-09 10:11:37,278 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d19531b9-97dd-4c5d-a2cc-f4f7f3247d9c/bin-2019/utaipan/data/85b82c349/e6e0a37ffea7436395d144c63599c7a3/FLAG3dc6c26e1 [2018-12-09 10:11:37,287 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d19531b9-97dd-4c5d-a2cc-f4f7f3247d9c/bin-2019/utaipan/data/85b82c349/e6e0a37ffea7436395d144c63599c7a3 [2018-12-09 10:11:37,289 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 10:11:37,290 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 10:11:37,291 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 10:11:37,291 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 10:11:37,293 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 10:11:37,293 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:11:37" (1/1) ... [2018-12-09 10:11:37,295 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cdf4af6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:11:37, skipping insertion in model container [2018-12-09 10:11:37,295 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:11:37" (1/1) ... [2018-12-09 10:11:37,300 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 10:11:37,339 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 10:11:37,664 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 10:11:37,667 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 10:11:37,883 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 10:11:37,893 INFO L195 MainTranslator]: Completed translation [2018-12-09 10:11:37,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:11:37 WrapperNode [2018-12-09 10:11:37,893 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 10:11:37,893 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 10:11:37,893 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 10:11:37,894 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 10:11:37,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:11:37" (1/1) ... [2018-12-09 10:11:37,914 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:11:37" (1/1) ... [2018-12-09 10:11:37,919 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 10:11:37,919 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 10:11:37,919 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 10:11:37,919 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 10:11:37,927 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:11:37" (1/1) ... [2018-12-09 10:11:37,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:11:37" (1/1) ... [2018-12-09 10:11:37,933 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:11:37" (1/1) ... [2018-12-09 10:11:37,933 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:11:37" (1/1) ... [2018-12-09 10:11:37,961 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:11:37" (1/1) ... [2018-12-09 10:11:37,969 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:11:37" (1/1) ... [2018-12-09 10:11:37,976 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:11:37" (1/1) ... [2018-12-09 10:11:37,984 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 10:11:37,985 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 10:11:37,985 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 10:11:37,985 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 10:11:37,985 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:11:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d19531b9-97dd-4c5d-a2cc-f4f7f3247d9c/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 10:11:38,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 10:11:38,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 10:11:38,028 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-12-09 10:11:38,028 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-12-09 10:11:38,028 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-09 10:11:38,028 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-09 10:11:38,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 10:11:38,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 10:11:38,029 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 10:11:38,029 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 10:11:39,426 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 10:11:39,426 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-09 10:11:39,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:11:39 BoogieIcfgContainer [2018-12-09 10:11:39,427 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 10:11:39,427 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 10:11:39,427 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 10:11:39,430 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 10:11:39,430 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 10:11:37" (1/3) ... [2018-12-09 10:11:39,430 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c1332aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 10:11:39, skipping insertion in model container [2018-12-09 10:11:39,430 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:11:37" (2/3) ... [2018-12-09 10:11:39,431 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c1332aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 10:11:39, skipping insertion in model container [2018-12-09 10:11:39,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:11:39" (3/3) ... [2018-12-09 10:11:39,432 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label17_true-unreach-call.c [2018-12-09 10:11:39,438 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 10:11:39,443 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 10:11:39,454 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 10:11:39,476 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 10:11:39,476 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 10:11:39,476 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 10:11:39,476 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 10:11:39,476 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 10:11:39,476 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 10:11:39,476 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 10:11:39,476 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 10:11:39,492 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states. [2018-12-09 10:11:39,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-09 10:11:39,497 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:11:39,498 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:11:39,499 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:11:39,502 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:11:39,503 INFO L82 PathProgramCache]: Analyzing trace with hash -1802126811, now seen corresponding path program 1 times [2018-12-09 10:11:39,504 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:11:39,534 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:11:39,534 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:11:39,534 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:11:39,535 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:11:39,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:11:39,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:11:39,687 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:11:39,687 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 10:11:39,687 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:11:39,691 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 10:11:39,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 10:11:39,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 10:11:39,701 INFO L87 Difference]: Start difference. First operand 409 states. Second operand 3 states. [2018-12-09 10:11:42,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:11:42,961 INFO L93 Difference]: Finished difference Result 1153 states and 2141 transitions. [2018-12-09 10:11:42,961 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 10:11:42,962 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2018-12-09 10:11:42,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:11:42,971 INFO L225 Difference]: With dead ends: 1153 [2018-12-09 10:11:42,972 INFO L226 Difference]: Without dead ends: 682 [2018-12-09 10:11:42,975 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 10:11:42,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2018-12-09 10:11:43,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 682. [2018-12-09 10:11:43,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 682 states. [2018-12-09 10:11:43,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 1184 transitions. [2018-12-09 10:11:43,023 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 1184 transitions. Word has length 64 [2018-12-09 10:11:43,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:11:43,023 INFO L480 AbstractCegarLoop]: Abstraction has 682 states and 1184 transitions. [2018-12-09 10:11:43,023 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 10:11:43,023 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 1184 transitions. [2018-12-09 10:11:43,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-09 10:11:43,026 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:11:43,026 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:11:43,026 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:11:43,026 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:11:43,027 INFO L82 PathProgramCache]: Analyzing trace with hash 2014427524, now seen corresponding path program 1 times [2018-12-09 10:11:43,027 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:11:43,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:11:43,027 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:11:43,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:11:43,028 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:11:43,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:11:43,132 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:11:43,132 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:11:43,132 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 10:11:43,132 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:11:43,133 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 10:11:43,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 10:11:43,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 10:11:43,134 INFO L87 Difference]: Start difference. First operand 682 states and 1184 transitions. Second operand 6 states. [2018-12-09 10:11:44,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:11:44,604 INFO L93 Difference]: Finished difference Result 2063 states and 3618 transitions. [2018-12-09 10:11:44,604 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 10:11:44,604 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 134 [2018-12-09 10:11:44,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:11:44,609 INFO L225 Difference]: With dead ends: 2063 [2018-12-09 10:11:44,609 INFO L226 Difference]: Without dead ends: 1387 [2018-12-09 10:11:44,611 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-09 10:11:44,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1387 states. [2018-12-09 10:11:44,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1387 to 1372. [2018-12-09 10:11:44,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1372 states. [2018-12-09 10:11:44,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1372 states to 1372 states and 2274 transitions. [2018-12-09 10:11:44,640 INFO L78 Accepts]: Start accepts. Automaton has 1372 states and 2274 transitions. Word has length 134 [2018-12-09 10:11:44,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:11:44,640 INFO L480 AbstractCegarLoop]: Abstraction has 1372 states and 2274 transitions. [2018-12-09 10:11:44,640 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 10:11:44,641 INFO L276 IsEmpty]: Start isEmpty. Operand 1372 states and 2274 transitions. [2018-12-09 10:11:44,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-09 10:11:44,642 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:11:44,642 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:11:44,642 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:11:44,642 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:11:44,642 INFO L82 PathProgramCache]: Analyzing trace with hash 2143421116, now seen corresponding path program 1 times [2018-12-09 10:11:44,643 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:11:44,643 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:11:44,643 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:11:44,643 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:11:44,643 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:11:44,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:11:44,716 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:11:44,716 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:11:44,716 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 10:11:44,717 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:11:44,717 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 10:11:44,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 10:11:44,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 10:11:44,717 INFO L87 Difference]: Start difference. First operand 1372 states and 2274 transitions. Second operand 6 states. [2018-12-09 10:11:48,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:11:48,227 INFO L93 Difference]: Finished difference Result 3466 states and 5799 transitions. [2018-12-09 10:11:48,228 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 10:11:48,228 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 138 [2018-12-09 10:11:48,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:11:48,234 INFO L225 Difference]: With dead ends: 3466 [2018-12-09 10:11:48,234 INFO L226 Difference]: Without dead ends: 2100 [2018-12-09 10:11:48,236 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-09 10:11:48,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2100 states. [2018-12-09 10:11:48,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2100 to 2073. [2018-12-09 10:11:48,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2073 states. [2018-12-09 10:11:48,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2073 states to 2073 states and 3322 transitions. [2018-12-09 10:11:48,267 INFO L78 Accepts]: Start accepts. Automaton has 2073 states and 3322 transitions. Word has length 138 [2018-12-09 10:11:48,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:11:48,267 INFO L480 AbstractCegarLoop]: Abstraction has 2073 states and 3322 transitions. [2018-12-09 10:11:48,267 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 10:11:48,267 INFO L276 IsEmpty]: Start isEmpty. Operand 2073 states and 3322 transitions. [2018-12-09 10:11:48,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-12-09 10:11:48,269 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:11:48,269 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:11:48,269 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:11:48,269 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:11:48,269 INFO L82 PathProgramCache]: Analyzing trace with hash -1919929679, now seen corresponding path program 1 times [2018-12-09 10:11:48,269 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:11:48,270 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:11:48,270 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:11:48,270 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:11:48,270 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:11:48,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:11:48,355 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:11:48,355 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:11:48,355 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 10:11:48,355 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:11:48,356 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 10:11:48,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 10:11:48,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 10:11:48,356 INFO L87 Difference]: Start difference. First operand 2073 states and 3322 transitions. Second operand 6 states. [2018-12-09 10:11:49,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:11:49,655 INFO L93 Difference]: Finished difference Result 5216 states and 8462 transitions. [2018-12-09 10:11:49,656 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 10:11:49,656 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 169 [2018-12-09 10:11:49,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:11:49,683 INFO L225 Difference]: With dead ends: 5216 [2018-12-09 10:11:49,683 INFO L226 Difference]: Without dead ends: 3149 [2018-12-09 10:11:49,687 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-09 10:11:49,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3149 states. [2018-12-09 10:11:49,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3149 to 3128. [2018-12-09 10:11:49,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3128 states. [2018-12-09 10:11:49,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3128 states to 3128 states and 4658 transitions. [2018-12-09 10:11:49,726 INFO L78 Accepts]: Start accepts. Automaton has 3128 states and 4658 transitions. Word has length 169 [2018-12-09 10:11:49,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:11:49,726 INFO L480 AbstractCegarLoop]: Abstraction has 3128 states and 4658 transitions. [2018-12-09 10:11:49,726 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 10:11:49,726 INFO L276 IsEmpty]: Start isEmpty. Operand 3128 states and 4658 transitions. [2018-12-09 10:11:49,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-09 10:11:49,728 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:11:49,728 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:11:49,728 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:11:49,728 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:11:49,728 INFO L82 PathProgramCache]: Analyzing trace with hash 1854023577, now seen corresponding path program 1 times [2018-12-09 10:11:49,728 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:11:49,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:11:49,729 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:11:49,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:11:49,729 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:11:49,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:11:49,856 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:11:49,856 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:11:49,857 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 10:11:49,857 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:11:49,857 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 10:11:49,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 10:11:49,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-12-09 10:11:49,858 INFO L87 Difference]: Start difference. First operand 3128 states and 4658 transitions. Second operand 6 states. [2018-12-09 10:11:52,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:11:52,434 INFO L93 Difference]: Finished difference Result 10091 states and 15883 transitions. [2018-12-09 10:11:52,434 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 10:11:52,434 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 213 [2018-12-09 10:11:52,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:11:52,450 INFO L225 Difference]: With dead ends: 10091 [2018-12-09 10:11:52,450 INFO L226 Difference]: Without dead ends: 6969 [2018-12-09 10:11:52,454 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-12-09 10:11:52,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6969 states. [2018-12-09 10:11:52,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6969 to 6963. [2018-12-09 10:11:52,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6963 states. [2018-12-09 10:11:52,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6963 states to 6963 states and 10600 transitions. [2018-12-09 10:11:52,552 INFO L78 Accepts]: Start accepts. Automaton has 6963 states and 10600 transitions. Word has length 213 [2018-12-09 10:11:52,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:11:52,553 INFO L480 AbstractCegarLoop]: Abstraction has 6963 states and 10600 transitions. [2018-12-09 10:11:52,553 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 10:11:52,553 INFO L276 IsEmpty]: Start isEmpty. Operand 6963 states and 10600 transitions. [2018-12-09 10:11:52,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2018-12-09 10:11:52,561 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:11:52,561 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:11:52,561 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:11:52,561 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:11:52,561 INFO L82 PathProgramCache]: Analyzing trace with hash -37255589, now seen corresponding path program 1 times [2018-12-09 10:11:52,561 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:11:52,562 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:11:52,562 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:11:52,562 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:11:52,562 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:11:52,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:11:52,704 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 114 proven. 70 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 10:11:52,704 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 10:11:52,704 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 10:11:52,705 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 337 with the following transitions: [2018-12-09 10:11:52,707 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [599], [601], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [692], [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], [1188], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 10:11:52,746 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 10:11:52,746 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 10:11:53,141 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 10:11:53,142 INFO L272 AbstractInterpreter]: Visited 203 different actions 203 times. Never merged. Never widened. Performed 2055 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2055 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 24 variables. [2018-12-09 10:11:53,147 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:11:53,147 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 10:11:53,556 INFO L227 lantSequenceWeakener]: Weakened 327 states. On average, predicates are now at 77.92% of their original sizes. [2018-12-09 10:11:53,556 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 10:11:53,578 INFO L418 sIntCurrentIteration]: We unified 335 AI predicates to 335 [2018-12-09 10:11:53,579 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 10:11:53,579 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 10:11:53,579 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-12-09 10:11:53,579 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:11:53,580 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 10:11:53,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 10:11:53,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 10:11:53,580 INFO L87 Difference]: Start difference. First operand 6963 states and 10600 transitions. Second operand 6 states. [2018-12-09 10:12:49,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:12:49,620 INFO L93 Difference]: Finished difference Result 14258 states and 21640 transitions. [2018-12-09 10:12:49,620 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 10:12:49,620 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 336 [2018-12-09 10:12:49,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:12:49,635 INFO L225 Difference]: With dead ends: 14258 [2018-12-09 10:12:49,635 INFO L226 Difference]: Without dead ends: 7301 [2018-12-09 10:12:49,643 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 336 GetRequests, 331 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-09 10:12:49,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7301 states. [2018-12-09 10:12:49,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7301 to 7300. [2018-12-09 10:12:49,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7300 states. [2018-12-09 10:12:49,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7300 states to 7300 states and 10946 transitions. [2018-12-09 10:12:49,738 INFO L78 Accepts]: Start accepts. Automaton has 7300 states and 10946 transitions. Word has length 336 [2018-12-09 10:12:49,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:12:49,738 INFO L480 AbstractCegarLoop]: Abstraction has 7300 states and 10946 transitions. [2018-12-09 10:12:49,738 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 10:12:49,738 INFO L276 IsEmpty]: Start isEmpty. Operand 7300 states and 10946 transitions. [2018-12-09 10:12:49,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2018-12-09 10:12:49,746 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:12:49,746 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:12:49,747 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:12:49,747 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:12:49,747 INFO L82 PathProgramCache]: Analyzing trace with hash 260543370, now seen corresponding path program 1 times [2018-12-09 10:12:49,747 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:12:49,747 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:12:49,748 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:12:49,748 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:12:49,748 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:12:49,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:12:49,937 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 176 proven. 266 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 10:12:49,937 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 10:12:49,937 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 10:12:49,938 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 403 with the following transitions: [2018-12-09 10:12:49,938 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [599], [601], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [760], [761], [765], [769], [773], [777], [781], [785], [788], [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], [992], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 10:12:49,940 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 10:12:49,941 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 10:12:50,149 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 10:12:50,149 INFO L272 AbstractInterpreter]: Visited 158 different actions 461 times. Merged at 4 different actions 7 times. Never widened. Performed 4925 root evaluator evaluations with a maximum evaluation depth of 7. Performed 4925 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-09 10:12:50,154 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:12:50,154 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 10:12:50,383 INFO L227 lantSequenceWeakener]: Weakened 399 states. On average, predicates are now at 80.57% of their original sizes. [2018-12-09 10:12:50,383 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 10:12:50,421 INFO L418 sIntCurrentIteration]: We unified 401 AI predicates to 401 [2018-12-09 10:12:50,422 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 10:12:50,422 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 10:12:50,422 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-09 10:12:50,422 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:12:50,423 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 10:12:50,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 10:12:50,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 10:12:50,423 INFO L87 Difference]: Start difference. First operand 7300 states and 10946 transitions. Second operand 10 states. [2018-12-09 10:13:59,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:13:59,061 INFO L93 Difference]: Finished difference Result 16386 states and 25133 transitions. [2018-12-09 10:13:59,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-09 10:13:59,061 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 402 [2018-12-09 10:13:59,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:13:59,084 INFO L225 Difference]: With dead ends: 16386 [2018-12-09 10:13:59,084 INFO L226 Difference]: Without dead ends: 9429 [2018-12-09 10:13:59,094 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 411 GetRequests, 393 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-12-09 10:13:59,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9429 states. [2018-12-09 10:13:59,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9429 to 8711. [2018-12-09 10:13:59,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8711 states. [2018-12-09 10:13:59,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8711 states to 8711 states and 12690 transitions. [2018-12-09 10:13:59,224 INFO L78 Accepts]: Start accepts. Automaton has 8711 states and 12690 transitions. Word has length 402 [2018-12-09 10:13:59,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:13:59,225 INFO L480 AbstractCegarLoop]: Abstraction has 8711 states and 12690 transitions. [2018-12-09 10:13:59,225 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 10:13:59,225 INFO L276 IsEmpty]: Start isEmpty. Operand 8711 states and 12690 transitions. [2018-12-09 10:13:59,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 576 [2018-12-09 10:13:59,236 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:13:59,236 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:13:59,236 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:13:59,236 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:13:59,237 INFO L82 PathProgramCache]: Analyzing trace with hash 459072891, now seen corresponding path program 1 times [2018-12-09 10:13:59,237 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:13:59,237 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:13:59,237 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:13:59,237 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:13:59,237 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:13:59,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:13:59,516 INFO L134 CoverageAnalysis]: Checked inductivity of 517 backedges. 371 proven. 74 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-12-09 10:13:59,516 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 10:13:59,516 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 10:13:59,516 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 576 with the following transitions: [2018-12-09 10:13:59,517 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [599], [601], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [692], [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], [1188], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 10:13:59,520 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 10:13:59,520 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 10:13:59,656 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 10:13:59,656 INFO L272 AbstractInterpreter]: Visited 248 different actions 490 times. Merged at 4 different actions 4 times. Never widened. Performed 5189 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5189 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-09 10:13:59,657 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:13:59,658 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 10:13:59,907 INFO L227 lantSequenceWeakener]: Weakened 572 states. On average, predicates are now at 77.67% of their original sizes. [2018-12-09 10:13:59,907 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 10:13:59,949 INFO L418 sIntCurrentIteration]: We unified 574 AI predicates to 574 [2018-12-09 10:13:59,949 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 10:13:59,949 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 10:13:59,949 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-09 10:13:59,949 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:13:59,950 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 10:13:59,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 10:13:59,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 10:13:59,950 INFO L87 Difference]: Start difference. First operand 8711 states and 12690 transitions. Second operand 10 states. [2018-12-09 10:14:47,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:14:47,966 INFO L93 Difference]: Finished difference Result 18094 states and 26175 transitions. [2018-12-09 10:14:47,967 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-09 10:14:47,967 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 575 [2018-12-09 10:14:47,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:14:47,984 INFO L225 Difference]: With dead ends: 18094 [2018-12-09 10:14:47,984 INFO L226 Difference]: Without dead ends: 9389 [2018-12-09 10:14:47,993 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 582 GetRequests, 566 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-12-09 10:14:48,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9389 states. [2018-12-09 10:14:48,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9389 to 9387. [2018-12-09 10:14:48,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9387 states. [2018-12-09 10:14:48,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9387 states to 9387 states and 13393 transitions. [2018-12-09 10:14:48,101 INFO L78 Accepts]: Start accepts. Automaton has 9387 states and 13393 transitions. Word has length 575 [2018-12-09 10:14:48,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:14:48,102 INFO L480 AbstractCegarLoop]: Abstraction has 9387 states and 13393 transitions. [2018-12-09 10:14:48,102 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 10:14:48,102 INFO L276 IsEmpty]: Start isEmpty. Operand 9387 states and 13393 transitions. [2018-12-09 10:14:48,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 633 [2018-12-09 10:14:48,114 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:14:48,115 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-09 10:14:48,115 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:14:48,115 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:14:48,115 INFO L82 PathProgramCache]: Analyzing trace with hash 1239138379, now seen corresponding path program 1 times [2018-12-09 10:14:48,116 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:14:48,116 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:14:48,116 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:14:48,116 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:14:48,117 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:14:48,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:14:48,463 INFO L134 CoverageAnalysis]: Checked inductivity of 793 backedges. 238 proven. 435 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2018-12-09 10:14:48,463 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 10:14:48,463 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 10:14:48,464 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 633 with the following transitions: [2018-12-09 10:14:48,464 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [599], [601], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [684], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [796], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [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], [992], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 10:14:48,467 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 10:14:48,467 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 10:14:48,699 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 10:14:48,699 INFO L272 AbstractInterpreter]: Visited 257 different actions 765 times. Merged at 6 different actions 14 times. Never widened. Performed 8977 root evaluator evaluations with a maximum evaluation depth of 9. Performed 8977 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 3 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-09 10:14:48,702 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:14:48,702 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 10:14:48,981 INFO L227 lantSequenceWeakener]: Weakened 629 states. On average, predicates are now at 80.43% of their original sizes. [2018-12-09 10:14:48,981 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 10:14:49,011 INFO L418 sIntCurrentIteration]: We unified 631 AI predicates to 631 [2018-12-09 10:14:49,011 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 10:14:49,011 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 10:14:49,012 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 13 [2018-12-09 10:14:49,012 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:14:49,012 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 10:14:49,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 10:14:49,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 10:14:49,013 INFO L87 Difference]: Start difference. First operand 9387 states and 13393 transitions. Second operand 9 states. [2018-12-09 10:15:58,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:15:58,806 INFO L93 Difference]: Finished difference Result 20527 states and 29647 transitions. [2018-12-09 10:15:58,806 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-09 10:15:58,806 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 632 [2018-12-09 10:15:58,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:15:58,825 INFO L225 Difference]: With dead ends: 20527 [2018-12-09 10:15:58,825 INFO L226 Difference]: Without dead ends: 11822 [2018-12-09 10:15:58,834 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 638 GetRequests, 624 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-12-09 10:15:58,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11822 states. [2018-12-09 10:15:58,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11822 to 11787. [2018-12-09 10:15:58,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11787 states. [2018-12-09 10:15:58,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11787 states to 11787 states and 16270 transitions. [2018-12-09 10:15:58,958 INFO L78 Accepts]: Start accepts. Automaton has 11787 states and 16270 transitions. Word has length 632 [2018-12-09 10:15:58,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:15:58,958 INFO L480 AbstractCegarLoop]: Abstraction has 11787 states and 16270 transitions. [2018-12-09 10:15:58,958 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 10:15:58,958 INFO L276 IsEmpty]: Start isEmpty. Operand 11787 states and 16270 transitions. [2018-12-09 10:15:58,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 743 [2018-12-09 10:15:58,977 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:15:58,977 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:15:58,977 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:15:58,978 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:15:58,978 INFO L82 PathProgramCache]: Analyzing trace with hash -889486890, now seen corresponding path program 1 times [2018-12-09 10:15:58,978 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:15:58,978 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:15:58,978 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:15:58,978 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:15:58,979 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:15:59,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:15:59,922 INFO L134 CoverageAnalysis]: Checked inductivity of 1245 backedges. 386 proven. 344 refuted. 0 times theorem prover too weak. 515 trivial. 0 not checked. [2018-12-09 10:15:59,922 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 10:15:59,922 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 10:15:59,922 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 743 with the following transitions: [2018-12-09 10:15:59,922 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [599], [601], [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], [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], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [992], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 10:15:59,925 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 10:15:59,925 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 10:16:00,244 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 10:16:00,244 INFO L272 AbstractInterpreter]: Visited 251 different actions 997 times. Merged at 8 different actions 26 times. Never widened. Performed 11832 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11832 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 7 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-09 10:16:00,245 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:16:00,246 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 10:16:00,246 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 10:16:00,246 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d19531b9-97dd-4c5d-a2cc-f4f7f3247d9c/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 10:16:00,252 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:16:00,253 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 10:16:00,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:16:00,379 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 10:16:00,611 INFO L134 CoverageAnalysis]: Checked inductivity of 1245 backedges. 800 proven. 2 refuted. 0 times theorem prover too weak. 443 trivial. 0 not checked. [2018-12-09 10:16:00,611 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 10:16:00,931 INFO L134 CoverageAnalysis]: Checked inductivity of 1245 backedges. 386 proven. 344 refuted. 0 times theorem prover too weak. 515 trivial. 0 not checked. [2018-12-09 10:16:00,947 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 10:16:00,947 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 18 [2018-12-09 10:16:00,948 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 10:16:00,948 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-09 10:16:00,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-09 10:16:00,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=240, Unknown=0, NotChecked=0, Total=306 [2018-12-09 10:16:00,949 INFO L87 Difference]: Start difference. First operand 11787 states and 16270 transitions. Second operand 15 states. [2018-12-09 10:16:04,201 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 23 [2018-12-09 10:16:06,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:16:06,777 INFO L93 Difference]: Finished difference Result 24934 states and 34689 transitions. [2018-12-09 10:16:06,777 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-12-09 10:16:06,777 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 742 [2018-12-09 10:16:06,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:16:06,797 INFO L225 Difference]: With dead ends: 24934 [2018-12-09 10:16:06,797 INFO L226 Difference]: Without dead ends: 13516 [2018-12-09 10:16:06,810 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1556 GetRequests, 1504 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 750 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=629, Invalid=2233, Unknown=0, NotChecked=0, Total=2862 [2018-12-09 10:16:06,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13516 states. [2018-12-09 10:16:06,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13516 to 11414. [2018-12-09 10:16:06,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11414 states. [2018-12-09 10:16:06,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11414 states to 11414 states and 13393 transitions. [2018-12-09 10:16:06,938 INFO L78 Accepts]: Start accepts. Automaton has 11414 states and 13393 transitions. Word has length 742 [2018-12-09 10:16:06,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:16:06,938 INFO L480 AbstractCegarLoop]: Abstraction has 11414 states and 13393 transitions. [2018-12-09 10:16:06,938 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-09 10:16:06,938 INFO L276 IsEmpty]: Start isEmpty. Operand 11414 states and 13393 transitions. [2018-12-09 10:16:06,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 760 [2018-12-09 10:16:06,947 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:16:06,947 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:16:06,947 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:16:06,947 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:16:06,947 INFO L82 PathProgramCache]: Analyzing trace with hash 180309457, now seen corresponding path program 1 times [2018-12-09 10:16:06,948 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:16:06,948 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:16:06,948 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:16:06,948 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:16:06,948 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:16:06,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:16:07,678 INFO L134 CoverageAnalysis]: Checked inductivity of 1272 backedges. 532 proven. 455 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2018-12-09 10:16:07,678 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 10:16:07,678 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 10:16:07,679 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 760 with the following transitions: [2018-12-09 10:16:07,679 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [599], [601], [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], [796], [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], [992], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 10:16:07,681 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 10:16:07,681 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 10:16:08,034 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 10:16:08,034 INFO L272 AbstractInterpreter]: Visited 259 different actions 1028 times. Merged at 8 different actions 25 times. Never widened. Performed 12293 root evaluator evaluations with a maximum evaluation depth of 18. Performed 12293 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 7 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-09 10:16:08,038 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:16:08,038 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 10:16:08,038 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 10:16:08,038 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d19531b9-97dd-4c5d-a2cc-f4f7f3247d9c/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 10:16:08,046 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:16:08,046 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 10:16:08,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:16:08,141 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 10:16:08,314 INFO L134 CoverageAnalysis]: Checked inductivity of 1272 backedges. 740 proven. 2 refuted. 0 times theorem prover too weak. 530 trivial. 0 not checked. [2018-12-09 10:16:08,314 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 10:16:08,547 INFO L134 CoverageAnalysis]: Checked inductivity of 1272 backedges. 740 proven. 2 refuted. 0 times theorem prover too weak. 530 trivial. 0 not checked. [2018-12-09 10:16:08,561 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 10:16:08,562 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 17 [2018-12-09 10:16:08,562 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 10:16:08,562 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-09 10:16:08,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-09 10:16:08,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=212, Unknown=0, NotChecked=0, Total=272 [2018-12-09 10:16:08,563 INFO L87 Difference]: Start difference. First operand 11414 states and 13393 transitions. Second operand 15 states. [2018-12-09 10:16:12,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:16:12,877 INFO L93 Difference]: Finished difference Result 25003 states and 29947 transitions. [2018-12-09 10:16:12,877 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-12-09 10:16:12,878 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 759 [2018-12-09 10:16:12,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:16:12,905 INFO L225 Difference]: With dead ends: 25003 [2018-12-09 10:16:12,905 INFO L226 Difference]: Without dead ends: 14271 [2018-12-09 10:16:12,920 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1597 GetRequests, 1544 SyntacticMatches, 2 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 727 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=588, Invalid=2168, Unknown=0, NotChecked=0, Total=2756 [2018-12-09 10:16:12,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14271 states. [2018-12-09 10:16:13,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14271 to 13461. [2018-12-09 10:16:13,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13461 states. [2018-12-09 10:16:13,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13461 states to 13461 states and 15033 transitions. [2018-12-09 10:16:13,066 INFO L78 Accepts]: Start accepts. Automaton has 13461 states and 15033 transitions. Word has length 759 [2018-12-09 10:16:13,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:16:13,066 INFO L480 AbstractCegarLoop]: Abstraction has 13461 states and 15033 transitions. [2018-12-09 10:16:13,066 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-09 10:16:13,066 INFO L276 IsEmpty]: Start isEmpty. Operand 13461 states and 15033 transitions. [2018-12-09 10:16:13,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 839 [2018-12-09 10:16:13,074 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:16:13,075 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:16:13,075 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:16:13,075 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:16:13,075 INFO L82 PathProgramCache]: Analyzing trace with hash 1152295745, now seen corresponding path program 1 times [2018-12-09 10:16:13,075 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:16:13,076 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:16:13,076 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:16:13,076 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:16:13,076 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:16:13,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:16:13,571 INFO L134 CoverageAnalysis]: Checked inductivity of 1224 backedges. 231 proven. 240 refuted. 0 times theorem prover too weak. 753 trivial. 0 not checked. [2018-12-09 10:16:13,571 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 10:16:13,571 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 10:16:13,572 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 839 with the following transitions: [2018-12-09 10:16:13,572 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [599], [601], [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], [992], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1048], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 10:16:13,574 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 10:16:13,574 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 10:16:13,859 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 10:16:13,859 INFO L272 AbstractInterpreter]: Visited 250 different actions 994 times. Merged at 7 different actions 26 times. Never widened. Performed 11455 root evaluator evaluations with a maximum evaluation depth of 8. Performed 11455 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Found 7 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-09 10:16:13,860 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:16:13,860 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 10:16:13,860 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 10:16:13,861 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d19531b9-97dd-4c5d-a2cc-f4f7f3247d9c/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 10:16:13,866 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:16:13,866 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 10:16:13,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:16:13,961 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 10:16:14,146 INFO L134 CoverageAnalysis]: Checked inductivity of 1224 backedges. 679 proven. 2 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2018-12-09 10:16:14,146 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 10:16:14,493 INFO L134 CoverageAnalysis]: Checked inductivity of 1224 backedges. 679 proven. 2 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2018-12-09 10:16:14,508 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 10:16:14,509 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-12-09 10:16:14,509 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 10:16:14,509 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 10:16:14,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 10:16:14,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-12-09 10:16:14,510 INFO L87 Difference]: Start difference. First operand 13461 states and 15033 transitions. Second operand 9 states. [2018-12-09 10:16:16,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:16:16,585 INFO L93 Difference]: Finished difference Result 27338 states and 31295 transitions. [2018-12-09 10:16:16,585 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-09 10:16:16,586 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 838 [2018-12-09 10:16:16,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:16:16,610 INFO L225 Difference]: With dead ends: 27338 [2018-12-09 10:16:16,610 INFO L226 Difference]: Without dead ends: 15206 [2018-12-09 10:16:16,630 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1706 GetRequests, 1682 SyntacticMatches, 5 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2018-12-09 10:16:16,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15206 states. [2018-12-09 10:16:16,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15206 to 14468. [2018-12-09 10:16:16,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14468 states. [2018-12-09 10:16:16,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14468 states to 14468 states and 15569 transitions. [2018-12-09 10:16:16,793 INFO L78 Accepts]: Start accepts. Automaton has 14468 states and 15569 transitions. Word has length 838 [2018-12-09 10:16:16,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:16:16,794 INFO L480 AbstractCegarLoop]: Abstraction has 14468 states and 15569 transitions. [2018-12-09 10:16:16,794 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 10:16:16,794 INFO L276 IsEmpty]: Start isEmpty. Operand 14468 states and 15569 transitions. [2018-12-09 10:16:16,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1091 [2018-12-09 10:16:16,805 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:16:16,806 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:16:16,806 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:16:16,806 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:16:16,806 INFO L82 PathProgramCache]: Analyzing trace with hash -2116636167, now seen corresponding path program 1 times [2018-12-09 10:16:16,806 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:16:16,807 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:16:16,807 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:16:16,807 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:16:16,807 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:16:16,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:16:17,486 INFO L134 CoverageAnalysis]: Checked inductivity of 2224 backedges. 1056 proven. 599 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2018-12-09 10:16:17,486 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 10:16:17,486 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 10:16:17,486 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1091 with the following transitions: [2018-12-09 10:16:17,487 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [599], [601], [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], [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], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1396], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 10:16:17,489 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 10:16:17,489 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 10:16:18,014 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 10:16:18,014 INFO L272 AbstractInterpreter]: Visited 263 different actions 1060 times. Merged at 10 different actions 40 times. Never widened. Performed 12535 root evaluator evaluations with a maximum evaluation depth of 18. Performed 12535 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 12 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-09 10:16:18,018 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:16:18,018 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 10:16:18,018 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 10:16:18,018 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d19531b9-97dd-4c5d-a2cc-f4f7f3247d9c/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 10:16:18,024 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:16:18,024 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 10:16:18,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:16:18,137 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 10:16:18,438 INFO L134 CoverageAnalysis]: Checked inductivity of 2224 backedges. 357 proven. 0 refuted. 0 times theorem prover too weak. 1867 trivial. 0 not checked. [2018-12-09 10:16:18,438 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 10:16:18,739 INFO L134 CoverageAnalysis]: Checked inductivity of 2224 backedges. 357 proven. 0 refuted. 0 times theorem prover too weak. 1867 trivial. 0 not checked. [2018-12-09 10:16:18,754 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-09 10:16:18,754 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 9 [2018-12-09 10:16:18,754 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:16:18,755 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 10:16:18,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 10:16:18,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-12-09 10:16:18,755 INFO L87 Difference]: Start difference. First operand 14468 states and 15569 transitions. Second operand 3 states. [2018-12-09 10:16:19,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:16:19,401 INFO L93 Difference]: Finished difference Result 25895 states and 27962 transitions. [2018-12-09 10:16:19,402 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 10:16:19,402 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1090 [2018-12-09 10:16:19,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:16:19,421 INFO L225 Difference]: With dead ends: 25895 [2018-12-09 10:16:19,421 INFO L226 Difference]: Without dead ends: 14468 [2018-12-09 10:16:19,435 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2192 GetRequests, 2181 SyntacticMatches, 4 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-12-09 10:16:19,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14468 states. [2018-12-09 10:16:19,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14468 to 14468. [2018-12-09 10:16:19,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14468 states. [2018-12-09 10:16:19,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14468 states to 14468 states and 15436 transitions. [2018-12-09 10:16:19,556 INFO L78 Accepts]: Start accepts. Automaton has 14468 states and 15436 transitions. Word has length 1090 [2018-12-09 10:16:19,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:16:19,557 INFO L480 AbstractCegarLoop]: Abstraction has 14468 states and 15436 transitions. [2018-12-09 10:16:19,557 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 10:16:19,557 INFO L276 IsEmpty]: Start isEmpty. Operand 14468 states and 15436 transitions. [2018-12-09 10:16:19,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1211 [2018-12-09 10:16:19,569 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:16:19,570 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2018-12-09 10:16:19,570 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:16:19,570 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:16:19,570 INFO L82 PathProgramCache]: Analyzing trace with hash -1651943213, now seen corresponding path program 1 times [2018-12-09 10:16:19,570 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:16:19,571 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:16:19,571 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:16:19,571 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:16:19,571 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:16:19,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:16:21,405 INFO L134 CoverageAnalysis]: Checked inductivity of 2662 backedges. 999 proven. 1137 refuted. 0 times theorem prover too weak. 526 trivial. 0 not checked. [2018-12-09 10:16:21,405 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 10:16:21,406 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 10:16:21,406 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1211 with the following transitions: [2018-12-09 10:16:21,406 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [599], [601], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [992], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1048], [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], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1444], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 10:16:21,408 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 10:16:21,408 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 10:16:22,069 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 10:16:22,069 INFO L272 AbstractInterpreter]: Visited 275 different actions 1374 times. Merged at 10 different actions 41 times. Widened at 1 different actions 1 times. Performed 16692 root evaluator evaluations with a maximum evaluation depth of 17. Performed 16692 inverse root evaluator evaluations with a maximum inverse evaluation depth of 17. Found 14 fixpoints after 6 different actions. Largest state had 24 variables. [2018-12-09 10:16:22,070 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:16:22,071 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 10:16:22,071 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 10:16:22,071 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d19531b9-97dd-4c5d-a2cc-f4f7f3247d9c/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 10:16:22,076 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:16:22,076 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 10:16:22,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:16:22,200 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 10:16:22,572 INFO L134 CoverageAnalysis]: Checked inductivity of 2662 backedges. 1058 proven. 2 refuted. 0 times theorem prover too weak. 1602 trivial. 0 not checked. [2018-12-09 10:16:22,572 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 10:16:23,096 INFO L134 CoverageAnalysis]: Checked inductivity of 2662 backedges. 1058 proven. 2 refuted. 0 times theorem prover too weak. 1602 trivial. 0 not checked. [2018-12-09 10:16:23,112 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 10:16:23,112 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 5, 5] total 17 [2018-12-09 10:16:23,112 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 10:16:23,113 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-12-09 10:16:23,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-12-09 10:16:23,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=224, Unknown=0, NotChecked=0, Total=272 [2018-12-09 10:16:23,113 INFO L87 Difference]: Start difference. First operand 14468 states and 15436 transitions. Second operand 16 states. [2018-12-09 10:16:26,686 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 31 [2018-12-09 10:16:28,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:16:28,233 INFO L93 Difference]: Finished difference Result 27725 states and 29997 transitions. [2018-12-09 10:16:28,234 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2018-12-09 10:16:28,234 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 1210 [2018-12-09 10:16:28,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:16:28,256 INFO L225 Difference]: With dead ends: 27725 [2018-12-09 10:16:28,256 INFO L226 Difference]: Without dead ends: 16298 [2018-12-09 10:16:28,270 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2527 GetRequests, 2456 SyntacticMatches, 2 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1604 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=845, Invalid=4125, Unknown=0, NotChecked=0, Total=4970 [2018-12-09 10:16:28,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16298 states. [2018-12-09 10:16:28,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16298 to 16194. [2018-12-09 10:16:28,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16194 states. [2018-12-09 10:16:28,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16194 states to 16194 states and 17294 transitions. [2018-12-09 10:16:28,433 INFO L78 Accepts]: Start accepts. Automaton has 16194 states and 17294 transitions. Word has length 1210 [2018-12-09 10:16:28,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:16:28,434 INFO L480 AbstractCegarLoop]: Abstraction has 16194 states and 17294 transitions. [2018-12-09 10:16:28,434 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-12-09 10:16:28,434 INFO L276 IsEmpty]: Start isEmpty. Operand 16194 states and 17294 transitions. [2018-12-09 10:16:28,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1238 [2018-12-09 10:16:28,458 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:16:28,458 INFO L402 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, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:16:28,458 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:16:28,459 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:16:28,459 INFO L82 PathProgramCache]: Analyzing trace with hash -533495370, now seen corresponding path program 1 times [2018-12-09 10:16:28,459 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:16:28,459 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:16:28,460 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:16:28,460 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:16:28,460 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:16:28,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:16:29,641 INFO L134 CoverageAnalysis]: Checked inductivity of 3632 backedges. 1016 proven. 218 refuted. 0 times theorem prover too weak. 2398 trivial. 0 not checked. [2018-12-09 10:16:29,641 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 10:16:29,641 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 10:16:29,641 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1238 with the following transitions: [2018-12-09 10:16:29,641 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [599], [601], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [676], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [948], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [992], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 10:16:29,643 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 10:16:29,643 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 10:16:30,089 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 10:16:30,089 INFO L272 AbstractInterpreter]: Visited 254 different actions 1024 times. Merged at 12 different actions 40 times. Widened at 1 different actions 1 times. Performed 11964 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11964 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 14 fixpoints after 5 different actions. Largest state had 24 variables. [2018-12-09 10:16:30,090 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:16:30,090 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 10:16:30,090 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 10:16:30,090 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d19531b9-97dd-4c5d-a2cc-f4f7f3247d9c/bin-2019/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 10:16:30,097 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:16:30,097 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 10:16:30,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:16:30,230 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 10:16:30,683 INFO L134 CoverageAnalysis]: Checked inductivity of 3632 backedges. 1971 proven. 2 refuted. 0 times theorem prover too weak. 1659 trivial. 0 not checked. [2018-12-09 10:16:30,684 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 10:16:31,149 INFO L134 CoverageAnalysis]: Checked inductivity of 3632 backedges. 1193 proven. 138 refuted. 0 times theorem prover too weak. 2301 trivial. 0 not checked. [2018-12-09 10:16:31,164 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 10:16:31,165 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5, 5] total 15 [2018-12-09 10:16:31,165 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 10:16:31,165 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-12-09 10:16:31,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-12-09 10:16:31,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2018-12-09 10:16:31,166 INFO L87 Difference]: Start difference. First operand 16194 states and 17294 transitions. Second operand 14 states. [2018-12-09 10:16:32,783 WARN L180 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 46 [2018-12-09 10:16:34,187 WARN L180 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2018-12-09 10:16:34,630 WARN L180 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 30 [2018-12-09 10:16:34,841 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 26 [2018-12-09 10:16:35,704 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2018-12-09 10:16:36,074 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2018-12-09 10:16:37,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:16:37,471 INFO L93 Difference]: Finished difference Result 33445 states and 35945 transitions. [2018-12-09 10:16:37,471 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-12-09 10:16:37,471 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 1237 [2018-12-09 10:16:37,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:16:37,496 INFO L225 Difference]: With dead ends: 33445 [2018-12-09 10:16:37,496 INFO L226 Difference]: Without dead ends: 18226 [2018-12-09 10:16:37,512 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2546 GetRequests, 2499 SyntacticMatches, 2 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 543 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=511, Invalid=1651, Unknown=0, NotChecked=0, Total=2162 [2018-12-09 10:16:37,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18226 states. [2018-12-09 10:16:37,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18226 to 18194. [2018-12-09 10:16:37,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18194 states. [2018-12-09 10:16:37,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18194 states to 18194 states and 19246 transitions. [2018-12-09 10:16:37,692 INFO L78 Accepts]: Start accepts. Automaton has 18194 states and 19246 transitions. Word has length 1237 [2018-12-09 10:16:37,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:16:37,692 INFO L480 AbstractCegarLoop]: Abstraction has 18194 states and 19246 transitions. [2018-12-09 10:16:37,692 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-12-09 10:16:37,692 INFO L276 IsEmpty]: Start isEmpty. Operand 18194 states and 19246 transitions. [2018-12-09 10:16:37,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1392 [2018-12-09 10:16:37,709 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:16:37,709 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-09 10:16:37,710 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:16:37,710 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:16:37,710 INFO L82 PathProgramCache]: Analyzing trace with hash -1906063181, now seen corresponding path program 1 times [2018-12-09 10:16:37,710 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:16:37,710 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:16:37,711 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:16:37,711 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:16:37,711 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:16:37,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:16:40,021 INFO L134 CoverageAnalysis]: Checked inductivity of 3630 backedges. 1034 proven. 1632 refuted. 0 times theorem prover too weak. 964 trivial. 0 not checked. [2018-12-09 10:16:40,021 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 10:16:40,021 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 10:16:40,021 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1392 with the following transitions: [2018-12-09 10:16:40,022 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [599], [601], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [992], [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], [1256], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1444], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 10:16:40,024 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 10:16:40,024 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 10:16:40,673 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 10:16:40,673 INFO L272 AbstractInterpreter]: Visited 276 different actions 1107 times. Merged at 11 different actions 35 times. Widened at 1 different actions 1 times. Performed 13259 root evaluator evaluations with a maximum evaluation depth of 18. Performed 13259 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 12 fixpoints after 4 different actions. Largest state had 24 variables. [2018-12-09 10:16:40,675 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:16:40,675 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 10:16:40,675 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 10:16:40,675 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d19531b9-97dd-4c5d-a2cc-f4f7f3247d9c/bin-2019/utaipan/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 10:16:40,681 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:16:40,681 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 10:16:40,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:16:40,821 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 10:16:41,287 INFO L134 CoverageAnalysis]: Checked inductivity of 3630 backedges. 417 proven. 0 refuted. 0 times theorem prover too weak. 3213 trivial. 0 not checked. [2018-12-09 10:16:41,288 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 10:16:41,722 INFO L134 CoverageAnalysis]: Checked inductivity of 3630 backedges. 417 proven. 0 refuted. 0 times theorem prover too weak. 3213 trivial. 0 not checked. [2018-12-09 10:16:41,737 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-09 10:16:41,738 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [13] total 14 [2018-12-09 10:16:41,738 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:16:41,738 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 10:16:41,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 10:16:41,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-12-09 10:16:41,739 INFO L87 Difference]: Start difference. First operand 18194 states and 19246 transitions. Second operand 3 states. [2018-12-09 10:16:42,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:16:42,373 INFO L93 Difference]: Finished difference Result 37052 states and 39269 transitions. [2018-12-09 10:16:42,374 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 10:16:42,374 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1391 [2018-12-09 10:16:42,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:16:42,375 INFO L225 Difference]: With dead ends: 37052 [2018-12-09 10:16:42,375 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 10:16:42,397 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2796 GetRequests, 2783 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-12-09 10:16:42,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 10:16:42,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 10:16:42,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 10:16:42,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 10:16:42,397 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1391 [2018-12-09 10:16:42,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:16:42,398 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 10:16:42,398 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 10:16:42,398 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 10:16:42,398 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 10:16:42,401 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 10:16:42,424 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:42,432 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:42,483 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:42,545 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:42,596 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:42,640 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:42,650 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:42,880 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:42,976 WARN L180 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 439 [2018-12-09 10:16:42,980 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:43,008 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:43,068 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:43,119 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:43,123 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:43,168 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:43,171 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:43,189 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:43,242 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:43,248 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:43,339 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:43,343 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:43,371 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:43,387 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:43,394 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:43,397 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:43,426 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:43,472 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:43,476 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:43,517 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:43,533 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:43,675 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:43,764 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:43,768 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:43,941 WARN L180 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 568 DAG size of output: 503 [2018-12-09 10:16:45,245 WARN L180 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 430 DAG size of output: 50 [2018-12-09 10:16:45,833 WARN L180 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 56 [2018-12-09 10:16:46,503 WARN L180 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 52 [2018-12-09 10:16:47,449 WARN L180 SmtUtils]: Spent 938.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 101 [2018-12-09 10:16:51,078 WARN L180 SmtUtils]: Spent 3.62 s on a formula simplification. DAG size of input: 495 DAG size of output: 50 [2018-12-09 10:16:51,080 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 10:16:51,080 INFO L444 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)) [2018-12-09 10:16:51,080 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 10:16:51,081 INFO L448 ceAbstractionStarter]: For program point L1497(lines 1497 1763) no Hoare annotation was computed. [2018-12-09 10:16:51,081 INFO L448 ceAbstractionStarter]: For program point calculate_output2EXIT(lines 1494 1765) no Hoare annotation was computed. [2018-12-09 10:16:51,081 INFO L448 ceAbstractionStarter]: For program point L1687(lines 1687 1763) no Hoare annotation was computed. [2018-12-09 10:16:51,081 INFO L448 ceAbstractionStarter]: For program point L1704(lines 1704 1763) no Hoare annotation was computed. [2018-12-09 10:16:51,081 INFO L448 ceAbstractionStarter]: For program point L1638(lines 1638 1763) no Hoare annotation was computed. [2018-12-09 10:16:51,081 INFO L448 ceAbstractionStarter]: For program point L1663(lines 1663 1763) no Hoare annotation was computed. [2018-12-09 10:16:51,081 INFO L448 ceAbstractionStarter]: For program point L1597(lines 1597 1763) no Hoare annotation was computed. [2018-12-09 10:16:51,081 INFO L448 ceAbstractionStarter]: For program point L1721(lines 1721 1763) no Hoare annotation was computed. [2018-12-09 10:16:51,081 INFO L448 ceAbstractionStarter]: For program point L1622(lines 1622 1763) no Hoare annotation was computed. [2018-12-09 10:16:51,081 INFO L448 ceAbstractionStarter]: For program point L1746(lines 1746 1763) no Hoare annotation was computed. [2018-12-09 10:16:51,081 INFO L448 ceAbstractionStarter]: For program point L1515(lines 1515 1763) no Hoare annotation was computed. [2018-12-09 10:16:51,081 INFO L448 ceAbstractionStarter]: For program point L1573(lines 1573 1763) no Hoare annotation was computed. [2018-12-09 10:16:51,081 INFO L448 ceAbstractionStarter]: For program point L1540(lines 1540 1763) no Hoare annotation was computed. [2018-12-09 10:16:51,081 INFO L448 ceAbstractionStarter]: For program point L1656(lines 1656 1763) no Hoare annotation was computed. [2018-12-09 10:16:51,081 INFO L448 ceAbstractionStarter]: For program point L1739(lines 1739 1763) no Hoare annotation was computed. [2018-12-09 10:16:51,081 INFO L448 ceAbstractionStarter]: For program point L1566(lines 1566 1763) no Hoare annotation was computed. [2018-12-09 10:16:51,081 INFO L448 ceAbstractionStarter]: For program point L1591(lines 1591 1763) no Hoare annotation was computed. [2018-12-09 10:16:51,081 INFO L448 ceAbstractionStarter]: For program point L1715(lines 1715 1763) no Hoare annotation was computed. [2018-12-09 10:16:51,081 INFO L448 ceAbstractionStarter]: For program point L1682(lines 1682 1763) no Hoare annotation was computed. [2018-12-09 10:16:51,081 INFO L448 ceAbstractionStarter]: For program point L1616(lines 1616 1763) no Hoare annotation was computed. [2018-12-09 10:16:51,082 INFO L448 ceAbstractionStarter]: For program point L1699(lines 1699 1763) no Hoare annotation was computed. [2018-12-09 10:16:51,082 INFO L448 ceAbstractionStarter]: For program point L1633(lines 1633 1763) no Hoare annotation was computed. [2018-12-09 10:16:51,082 INFO L448 ceAbstractionStarter]: For program point L1534(lines 1534 1763) no Hoare annotation was computed. [2018-12-09 10:16:51,082 INFO L448 ceAbstractionStarter]: For program point L1757(lines 1757 1763) no Hoare annotation was computed. [2018-12-09 10:16:51,082 INFO L448 ceAbstractionStarter]: For program point L1559(lines 1559 1763) no Hoare annotation was computed. [2018-12-09 10:16:51,082 INFO L448 ceAbstractionStarter]: For program point L1675(lines 1675 1763) no Hoare annotation was computed. [2018-12-09 10:16:51,082 INFO L448 ceAbstractionStarter]: For program point L1609(lines 1609 1763) no Hoare annotation was computed. [2018-12-09 10:16:51,082 INFO L448 ceAbstractionStarter]: For program point L1510(lines 1510 1763) no Hoare annotation was computed. [2018-12-09 10:16:51,082 INFO L448 ceAbstractionStarter]: For program point L1733(lines 1733 1763) no Hoare annotation was computed. [2018-12-09 10:16:51,082 INFO L444 ceAbstractionStarter]: At program point calculate_output2ENTRY(lines 1494 1765) the Hoare annotation is: (let ((.cse3 (= |old(~a15~0)| ~a15~0)) (.cse8 (= ~a16~0 |old(~a16~0)|)) (.cse2 (= ~a18~0 |old(~a18~0)|)) (.cse4 (= |old(~a12~0)| ~a12~0)) (.cse9 (= 3 |old(~a15~0)|)) (.cse10 (= 8 |old(~a16~0)|))) (let ((.cse5 (and .cse9 (= 5 |old(~a12~0)|) .cse10)) (.cse7 (= 9 |old(~a12~0)|)) (.cse1 (< |old(~a15~0)| 4)) (.cse6 (< 8 |old(~a16~0)|)) (.cse0 (and .cse3 .cse8 .cse2 .cse4))) (and (or (< 9 |old(~a16~0)|) .cse0 .cse1) (or (and (and (= |old(~a16~0)| ~a16~0) .cse2) .cse3 .cse4) (or .cse5 (< 0 (+ |old(~a18~0)| 87)) .cse6)) (or .cse5 .cse7 .cse0 .cse6) (or (and .cse8 (= 3 ~a15~0) .cse2 .cse4) (not .cse9) .cse10) (or (= 12 |old(~a16~0)|) (= 8 |old(~a12~0)|) .cse7 .cse0 .cse1) (or (< |old(~a12~0)| 9) (< |old(~a18~0)| 135) .cse6 .cse0)))) [2018-12-09 10:16:51,082 INFO L448 ceAbstractionStarter]: For program point L1527(lines 1527 1763) no Hoare annotation was computed. [2018-12-09 10:16:51,082 INFO L448 ceAbstractionStarter]: For program point L1651(lines 1651 1763) no Hoare annotation was computed. [2018-12-09 10:16:51,082 INFO L448 ceAbstractionStarter]: For program point L1585(lines 1585 1763) no Hoare annotation was computed. [2018-12-09 10:16:51,082 INFO L448 ceAbstractionStarter]: For program point L1709(lines 1709 1763) no Hoare annotation was computed. [2018-12-09 10:16:51,082 INFO L448 ceAbstractionStarter]: For program point L1503(lines 1503 1763) no Hoare annotation was computed. [2018-12-09 10:16:51,082 INFO L448 ceAbstractionStarter]: For program point L1693(lines 1693 1763) no Hoare annotation was computed. [2018-12-09 10:16:51,083 INFO L448 ceAbstractionStarter]: For program point L1553(lines 1553 1763) no Hoare annotation was computed. [2018-12-09 10:16:51,083 INFO L448 ceAbstractionStarter]: For program point calculate_output2FINAL(lines 1494 1765) no Hoare annotation was computed. [2018-12-09 10:16:51,083 INFO L448 ceAbstractionStarter]: For program point L1669(lines 1669 1763) no Hoare annotation was computed. [2018-12-09 10:16:51,083 INFO L448 ceAbstractionStarter]: For program point L1603(lines 1603 1763) no Hoare annotation was computed. [2018-12-09 10:16:51,083 INFO L448 ceAbstractionStarter]: For program point L1727(lines 1727 1763) no Hoare annotation was computed. [2018-12-09 10:16:51,083 INFO L448 ceAbstractionStarter]: For program point L1628(lines 1628 1763) no Hoare annotation was computed. [2018-12-09 10:16:51,083 INFO L448 ceAbstractionStarter]: For program point L1752(lines 1752 1763) no Hoare annotation was computed. [2018-12-09 10:16:51,083 INFO L448 ceAbstractionStarter]: For program point L1521(lines 1521 1763) no Hoare annotation was computed. [2018-12-09 10:16:51,083 INFO L448 ceAbstractionStarter]: For program point L1645(lines 1645 1763) no Hoare annotation was computed. [2018-12-09 10:16:51,083 INFO L448 ceAbstractionStarter]: For program point L1579(lines 1579 1763) no Hoare annotation was computed. [2018-12-09 10:16:51,083 INFO L448 ceAbstractionStarter]: For program point L1546(lines 1546 1763) no Hoare annotation was computed. [2018-12-09 10:16:51,083 INFO L448 ceAbstractionStarter]: For program point L894(lines 894 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,083 INFO L448 ceAbstractionStarter]: For program point L828(lines 828 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,083 INFO L448 ceAbstractionStarter]: For program point L696(lines 696 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,083 INFO L448 ceAbstractionStarter]: For program point L1291(lines 1291 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,083 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 10:16:51,083 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 10:16:51,083 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 10:16:51,083 INFO L448 ceAbstractionStarter]: For program point L961(lines 961 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,083 INFO L448 ceAbstractionStarter]: For program point L763(lines 763 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,084 INFO L448 ceAbstractionStarter]: For program point L631(lines 631 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,084 INFO L448 ceAbstractionStarter]: For program point L367(lines 367 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,084 INFO L448 ceAbstractionStarter]: For program point L1358(lines 1358 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,084 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,084 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-12-09 10:16:51,084 INFO L448 ceAbstractionStarter]: For program point L1160(lines 1160 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,084 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-12-09 10:16:51,084 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-12-09 10:16:51,084 INFO L444 ceAbstractionStarter]: At program point L1491(line 1491) the Hoare annotation is: (let ((.cse1 (= |old(~a15~0)| ~a15~0)) (.cse11 (= ~a16~0 |old(~a16~0)|)) (.cse0 (= ~a18~0 |old(~a18~0)|)) (.cse2 (= |old(~a12~0)| ~a12~0))) (let ((.cse9 (not (= calculate_output_~input 3))) (.cse5 (not (= 8 ~a16~0))) (.cse10 (< 0 (+ ~a18~0 79))) (.cse7 (< |old(~a15~0)| 4)) (.cse4 (= 9 |old(~a12~0)|)) (.cse3 (< 8 |old(~a16~0)|)) (.cse6 (and .cse1 .cse11 .cse0 .cse2)) (.cse8 (not (= 3 |old(~a15~0)|))) (.cse12 (not (= calculate_output_~input 0))) (.cse13 (= |calculate_output_#in~input| 0))) (and (or (and (and (= |old(~a16~0)| ~a16~0) .cse0) .cse1 .cse2) (or (< 0 (+ |old(~a18~0)| 87)) .cse3)) (or .cse4 (or (not (= 5 ~a12~0)) .cse5 (not (= ~a15~0 3))) .cse3) (or .cse6 (< 9 |old(~a16~0)|) .cse7) (or .cse8 (or (not (= 11 ~a16~0)) .cse9 (not (= 7 |old(~a12~0)|)) .cse10)) (or .cse4 .cse3 (or .cse9 (not (= ~a15~0 4)) .cse5 (not (= 7 ~a12~0)) .cse10)) (or (and .cse11 (= 3 ~a15~0) .cse0 .cse2) .cse8 (= 8 |old(~a16~0)|)) (or .cse8 (not (= 5 |old(~a12~0)|)) .cse12 (= 0 |old(~a16~0)|) .cse13) (or (= 12 |old(~a16~0)|) (= 8 |old(~a12~0)|) .cse4 .cse7 .cse6) (or .cse8 .cse4 (or (not (= calculate_output_~input 6)) (not (= 6 ~a12~0)) (not (= 12 ~a16~0)))) (or (< |old(~a18~0)| 135) .cse3 .cse6) (or .cse4 .cse3 .cse6) (or .cse8 .cse12 (= 0 |old(~a12~0)|) (not (= 11 |old(~a16~0)|)) .cse13)))) [2018-12-09 10:16:51,084 INFO L448 ceAbstractionStarter]: For program point L434(lines 434 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,084 INFO L448 ceAbstractionStarter]: For program point L1491-1(line 1491) no Hoare annotation was computed. [2018-12-09 10:16:51,084 INFO L448 ceAbstractionStarter]: For program point L1227(lines 1227 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,084 INFO L448 ceAbstractionStarter]: For program point L567(lines 567 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,084 INFO L448 ceAbstractionStarter]: For program point L501(lines 501 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,084 INFO L448 ceAbstractionStarter]: For program point L303(lines 303 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,084 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 10:16:51,085 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 10:16:51,085 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 10:16:51,085 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-12-09 10:16:51,085 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-12-09 10:16:51,085 INFO L448 ceAbstractionStarter]: For program point L1097(lines 1097 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,085 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-12-09 10:16:51,085 INFO L448 ceAbstractionStarter]: For program point L1031(lines 1031 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,085 INFO L448 ceAbstractionStarter]: For program point L899(lines 899 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,085 INFO L448 ceAbstractionStarter]: For program point L1428(lines 1428 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,085 INFO L448 ceAbstractionStarter]: For program point L834(lines 834 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,085 INFO L448 ceAbstractionStarter]: For program point L636(lines 636 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,085 INFO L448 ceAbstractionStarter]: For program point L1297(lines 1297 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,085 INFO L448 ceAbstractionStarter]: For program point L240(lines 240 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,085 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 10:16:51,085 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 10:16:51,085 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 10:16:51,085 INFO L448 ceAbstractionStarter]: For program point L967(lines 967 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,085 INFO L448 ceAbstractionStarter]: For program point L769(lines 769 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,085 INFO L448 ceAbstractionStarter]: For program point L703(lines 703 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,085 INFO L448 ceAbstractionStarter]: For program point L373(lines 373 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,086 INFO L448 ceAbstractionStarter]: For program point L1364(lines 1364 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,086 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-12-09 10:16:51,086 INFO L448 ceAbstractionStarter]: For program point L1166(lines 1166 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,086 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-12-09 10:16:51,086 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-12-09 10:16:51,086 INFO L448 ceAbstractionStarter]: For program point L440(lines 440 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,086 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,086 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,086 INFO L448 ceAbstractionStarter]: For program point L1234(lines 1234 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,086 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 10:16:51,086 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 10:16:51,086 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 10:16:51,086 INFO L448 ceAbstractionStarter]: For program point L1036(lines 1036 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,086 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,086 INFO L448 ceAbstractionStarter]: For program point L508(lines 508 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,086 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-12-09 10:16:51,086 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-12-09 10:16:51,086 INFO L448 ceAbstractionStarter]: For program point L1103(lines 1103 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,086 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-12-09 10:16:51,086 INFO L448 ceAbstractionStarter]: For program point L905(lines 905 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,087 INFO L448 ceAbstractionStarter]: For program point L641(lines 641 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,087 INFO L448 ceAbstractionStarter]: For program point L443(lines 443 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,087 INFO L448 ceAbstractionStarter]: For program point L1434(lines 1434 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,087 INFO L448 ceAbstractionStarter]: For program point L840(lines 840 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,087 INFO L448 ceAbstractionStarter]: For program point L1303(lines 1303 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,087 INFO L448 ceAbstractionStarter]: For program point L246(lines 246 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,087 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 10:16:51,087 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 10:16:51,087 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 10:16:51,087 INFO L448 ceAbstractionStarter]: For program point L775(lines 775 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,087 INFO L448 ceAbstractionStarter]: For program point L1370(lines 1370 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,087 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-12-09 10:16:51,087 INFO L448 ceAbstractionStarter]: For program point L1172(lines 1172 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,087 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-12-09 10:16:51,087 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-12-09 10:16:51,087 INFO L448 ceAbstractionStarter]: For program point L974(lines 974 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,087 INFO L448 ceAbstractionStarter]: For program point L578(lines 578 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,087 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,087 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,087 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 10:16:51,088 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 10:16:51,088 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 10:16:51,088 INFO L448 ceAbstractionStarter]: For program point L1042(lines 1042 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,088 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 23 1492) no Hoare annotation was computed. [2018-12-09 10:16:51,088 INFO L448 ceAbstractionStarter]: For program point L778(lines 778 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,088 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,088 INFO L448 ceAbstractionStarter]: For program point L1241(lines 1241 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,088 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-12-09 10:16:51,088 INFO L448 ceAbstractionStarter]: For program point L1175(lines 1175 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,088 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-12-09 10:16:51,088 INFO L448 ceAbstractionStarter]: For program point L1109(lines 1109 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,088 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-12-09 10:16:51,088 INFO L448 ceAbstractionStarter]: For program point L515(lines 515 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,088 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,088 INFO L448 ceAbstractionStarter]: For program point L1440(lines 1440 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,088 INFO L448 ceAbstractionStarter]: For program point L912(lines 912 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,088 INFO L448 ceAbstractionStarter]: For program point L846(lines 846 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,088 INFO L448 ceAbstractionStarter]: For program point L648(lines 648 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,088 INFO L448 ceAbstractionStarter]: For program point L1375(lines 1375 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,088 INFO L448 ceAbstractionStarter]: For program point L1309(lines 1309 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,089 INFO L448 ceAbstractionStarter]: For program point L252(lines 252 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,089 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 10:16:51,089 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 10:16:51,089 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 10:16:51,089 INFO L448 ceAbstractionStarter]: For program point L979(lines 979 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,089 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-12-09 10:16:51,089 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-12-09 10:16:51,089 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-12-09 10:16:51,089 INFO L448 ceAbstractionStarter]: For program point L584(lines 584 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,089 INFO L448 ceAbstractionStarter]: For program point L386(lines 386 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,089 INFO L448 ceAbstractionStarter]: For program point L717(lines 717 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,089 INFO L448 ceAbstractionStarter]: For program point L321(lines 321 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,089 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 10:16:51,089 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 10:16:51,089 INFO L448 ceAbstractionStarter]: For program point L1114(lines 1114 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,089 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 10:16:51,089 INFO L448 ceAbstractionStarter]: For program point L1048(lines 1048 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,089 INFO L448 ceAbstractionStarter]: For program point L784(lines 784 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,089 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,089 INFO L448 ceAbstractionStarter]: For program point L1247(lines 1247 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,090 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-12-09 10:16:51,090 INFO L448 ceAbstractionStarter]: For program point L1181(lines 1181 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,090 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-12-09 10:16:51,090 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-12-09 10:16:51,090 INFO L448 ceAbstractionStarter]: For program point L917(lines 917 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,090 INFO L448 ceAbstractionStarter]: For program point L851(lines 851 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,090 INFO L448 ceAbstractionStarter]: For program point L521(lines 521 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,090 INFO L448 ceAbstractionStarter]: For program point L1446(lines 1446 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,090 INFO L448 ceAbstractionStarter]: For program point L1314(lines 1314 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,090 INFO L448 ceAbstractionStarter]: For program point L257(lines 257 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,090 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 23 1492) the Hoare annotation is: (let ((.cse6 (= |old(~a15~0)| ~a15~0)) (.cse8 (= ~a16~0 |old(~a16~0)|)) (.cse5 (= ~a18~0 |old(~a18~0)|)) (.cse7 (= |old(~a12~0)| ~a12~0))) (let ((.cse2 (< 8 |old(~a16~0)|)) (.cse4 (= |old(~a16~0)| ~a16~0)) (.cse0 (and .cse6 .cse8 .cse5 .cse7)) (.cse3 (= 9 |old(~a12~0)|)) (.cse1 (< |old(~a15~0)| 4))) (and (or (< 9 |old(~a16~0)|) .cse0 .cse1) (or (< |old(~a18~0)| 135) .cse0 .cse2) (or .cse3 .cse2 (and .cse4 .cse5 .cse6 .cse7)) (or (and .cse8 (= 3 ~a15~0) .cse5 .cse7) (not (= 3 |old(~a15~0)|)) (= 8 |old(~a16~0)|)) (or (or (< 0 (+ |old(~a18~0)| 87)) .cse2) (and (and .cse4 .cse5) .cse6 .cse7)) (or (= 12 |old(~a16~0)|) .cse0 (= 8 |old(~a12~0)|) .cse3 .cse1)))) [2018-12-09 10:16:51,090 INFO L448 ceAbstractionStarter]: For program point L1381(lines 1381 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,090 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 10:16:51,090 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 10:16:51,090 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 10:16:51,091 INFO L448 ceAbstractionStarter]: For program point L655(lines 655 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,091 INFO L448 ceAbstractionStarter]: For program point L589(lines 589 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,091 INFO L448 ceAbstractionStarter]: For program point L457(lines 457 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,091 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,091 INFO L448 ceAbstractionStarter]: For program point L1250(lines 1250 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,091 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-12-09 10:16:51,091 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-12-09 10:16:51,091 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-12-09 10:16:51,091 INFO L448 ceAbstractionStarter]: For program point L986(lines 986 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,091 INFO L448 ceAbstractionStarter]: For program point L1449(lines 1449 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,091 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,091 INFO L448 ceAbstractionStarter]: For program point L723(lines 723 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,091 INFO L448 ceAbstractionStarter]: For program point L327(lines 327 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,091 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 10:16:51,091 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 10:16:51,091 INFO L448 ceAbstractionStarter]: For program point L1120(lines 1120 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,091 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 10:16:51,091 INFO L448 ceAbstractionStarter]: For program point L922(lines 922 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,091 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,091 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-12-09 10:16:51,092 INFO L448 ceAbstractionStarter]: For program point L1187(lines 1187 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,092 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-09 10:16:51,092 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-12-09 10:16:51,092 INFO L448 ceAbstractionStarter]: For program point L1055(lines 1055 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,092 INFO L448 ceAbstractionStarter]: For program point L857(lines 857 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,092 INFO L448 ceAbstractionStarter]: For program point L527(lines 527 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,092 INFO L448 ceAbstractionStarter]: For program point L1386(lines 1386 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,092 INFO L448 ceAbstractionStarter]: For program point L594(lines 594 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,092 INFO L448 ceAbstractionStarter]: For program point L1321(lines 1321 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,092 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 10:16:51,092 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 10:16:51,092 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 10:16:51,092 INFO L448 ceAbstractionStarter]: For program point L661(lines 661 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,092 INFO L448 ceAbstractionStarter]: For program point L463(lines 463 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,092 INFO L448 ceAbstractionStarter]: For program point L1256(lines 1256 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,092 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-12-09 10:16:51,092 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-12-09 10:16:51,092 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-12-09 10:16:51,092 INFO L448 ceAbstractionStarter]: For program point L728(lines 728 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,092 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,093 INFO L448 ceAbstractionStarter]: For program point L1125(lines 1125 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,093 INFO L448 ceAbstractionStarter]: For program point L993(lines 993 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,093 INFO L448 ceAbstractionStarter]: For program point L1456(lines 1456 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,093 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,093 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 10:16:51,093 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 10:16:51,093 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 10:16:51,093 INFO L448 ceAbstractionStarter]: For program point L796(lines 796 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,093 INFO L448 ceAbstractionStarter]: For program point L664(lines 664 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,093 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,093 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-12-09 10:16:51,093 INFO L448 ceAbstractionStarter]: For program point L1193(lines 1193 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,093 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-12-09 10:16:51,093 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-12-09 10:16:51,093 INFO L448 ceAbstractionStarter]: For program point L1061(lines 1061 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,093 INFO L448 ceAbstractionStarter]: For program point L929(lines 929 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,093 INFO L448 ceAbstractionStarter]: For program point L863(lines 863 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,093 INFO L448 ceAbstractionStarter]: For program point L533(lines 533 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,093 INFO L448 ceAbstractionStarter]: For program point L1392(lines 1392 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,093 INFO L448 ceAbstractionStarter]: For program point L600(lines 600 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,093 INFO L448 ceAbstractionStarter]: For program point L1327(lines 1327 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,094 INFO L448 ceAbstractionStarter]: For program point L204-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 10:16:51,094 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 10:16:51,094 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 10:16:51,094 INFO L448 ceAbstractionStarter]: For program point L469(lines 469 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,094 INFO L448 ceAbstractionStarter]: For program point L1262(lines 1262 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,094 INFO L448 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2018-12-09 10:16:51,094 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-09 10:16:51,094 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-12-09 10:16:51,094 INFO L448 ceAbstractionStarter]: For program point L734(lines 734 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,094 INFO L448 ceAbstractionStarter]: For program point L1461(lines 1461 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,094 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,094 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,094 INFO L448 ceAbstractionStarter]: For program point L1131(lines 1131 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,094 INFO L448 ceAbstractionStarter]: For program point L999(lines 999 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,094 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 10:16:51,094 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 10:16:51,094 INFO L448 ceAbstractionStarter]: For program point L802(lines 802 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,094 INFO L448 ceAbstractionStarter]: For program point L670(lines 670 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,094 INFO L448 ceAbstractionStarter]: For program point L538(lines 538 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,094 INFO L448 ceAbstractionStarter]: For program point L1397(lines 1397 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,094 INFO L448 ceAbstractionStarter]: For program point L274(lines 274 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,094 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-12-09 10:16:51,095 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-12-09 10:16:51,095 INFO L448 ceAbstractionStarter]: For program point L1067(lines 1067 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,095 INFO L448 ceAbstractionStarter]: For program point L935(lines 935 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,095 INFO L448 ceAbstractionStarter]: For program point L869(lines 869 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,095 INFO L448 ceAbstractionStarter]: For program point L1200(lines 1200 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,095 INFO L448 ceAbstractionStarter]: For program point L606(lines 606 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,095 INFO L448 ceAbstractionStarter]: For program point L1267(lines 1267 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,095 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 10:16:51,095 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 10:16:51,095 INFO L448 ceAbstractionStarter]: For program point L1466(lines 1466 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,095 INFO L448 ceAbstractionStarter]: For program point L1334(lines 1334 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,095 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-12-09 10:16:51,095 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-12-09 10:16:51,095 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,095 INFO L448 ceAbstractionStarter]: For program point L1137(lines 1137 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,095 INFO L448 ceAbstractionStarter]: For program point L1005(lines 1005 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,095 INFO L448 ceAbstractionStarter]: For program point L741(lines 741 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,095 INFO L448 ceAbstractionStarter]: For program point L543(lines 543 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,095 INFO L448 ceAbstractionStarter]: For program point L411(lines 411 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,095 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,095 INFO L448 ceAbstractionStarter]: For program point L279(lines 279 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,095 INFO L448 ceAbstractionStarter]: For program point L213(lines 213 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,096 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 10:16:51,096 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 10:16:51,096 INFO L448 ceAbstractionStarter]: For program point L808(lines 808 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,096 INFO L448 ceAbstractionStarter]: For program point L1403(lines 1403 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,096 INFO L448 ceAbstractionStarter]: For program point L1205(lines 1205 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,096 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-12-09 10:16:51,096 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-12-09 10:16:51,096 INFO L448 ceAbstractionStarter]: For program point L1073(lines 1073 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,096 INFO L448 ceAbstractionStarter]: For program point L875(lines 875 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,096 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,096 INFO L448 ceAbstractionStarter]: For program point L942(lines 942 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,096 INFO L448 ceAbstractionStarter]: For program point L612(lines 612 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,096 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 10:16:51,096 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 10:16:51,096 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 23 1492) no Hoare annotation was computed. [2018-12-09 10:16:51,096 INFO L448 ceAbstractionStarter]: For program point L1472(lines 1472 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,096 INFO L448 ceAbstractionStarter]: For program point L1274(lines 1274 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,096 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-12-09 10:16:51,096 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-12-09 10:16:51,096 INFO L448 ceAbstractionStarter]: For program point L746(lines 746 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,096 INFO L448 ceAbstractionStarter]: For program point L680(lines 680 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,096 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,097 INFO L448 ceAbstractionStarter]: For program point L350(lines 350 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,097 INFO L448 ceAbstractionStarter]: For program point L1341(lines 1341 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,097 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,097 INFO L448 ceAbstractionStarter]: For program point L1143(lines 1143 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,097 INFO L448 ceAbstractionStarter]: For program point L1011(lines 1011 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,097 INFO L448 ceAbstractionStarter]: For program point L483(lines 483 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,097 INFO L448 ceAbstractionStarter]: For program point L417(lines 417 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,097 INFO L448 ceAbstractionStarter]: For program point L285(lines 285 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,097 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 10:16:51,097 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 10:16:51,097 INFO L448 ceAbstractionStarter]: For program point L1409(lines 1409 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,097 INFO L448 ceAbstractionStarter]: For program point L1211(lines 1211 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,097 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-09 10:16:51,097 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-12-09 10:16:51,097 INFO L448 ceAbstractionStarter]: For program point L1079(lines 1079 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,097 INFO L448 ceAbstractionStarter]: For program point L815(lines 815 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,097 INFO L448 ceAbstractionStarter]: For program point L948(lines 948 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,097 INFO L448 ceAbstractionStarter]: For program point L882(lines 882 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,097 INFO L448 ceAbstractionStarter]: For program point L618(lines 618 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,097 INFO L448 ceAbstractionStarter]: For program point L1477(lines 1477 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,097 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 10:16:51,097 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 10:16:51,097 INFO L448 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2018-12-09 10:16:51,098 INFO L448 ceAbstractionStarter]: For program point L24-2(lines 23 1492) no Hoare annotation was computed. [2018-12-09 10:16:51,098 INFO L448 ceAbstractionStarter]: For program point L1280(lines 1280 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,098 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,098 INFO L448 ceAbstractionStarter]: For program point L1214(lines 1214 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,098 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-12-09 10:16:51,098 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-12-09 10:16:51,098 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-12-09 10:16:51,098 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,098 INFO L448 ceAbstractionStarter]: For program point L686(lines 686 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,098 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,098 INFO L448 ceAbstractionStarter]: For program point L356(lines 356 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,098 INFO L448 ceAbstractionStarter]: For program point L1347(lines 1347 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,098 INFO L448 ceAbstractionStarter]: For program point L290(lines 290 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,098 INFO L448 ceAbstractionStarter]: For program point L1149(lines 1149 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,098 INFO L448 ceAbstractionStarter]: For program point L489(lines 489 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,098 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 10:16:51,098 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 10:16:51,098 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 10:16:51,098 INFO L448 ceAbstractionStarter]: For program point L1018(lines 1018 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,098 INFO L448 ceAbstractionStarter]: For program point L424(lines 424 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,098 INFO L448 ceAbstractionStarter]: For program point L1415(lines 1415 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,098 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-12-09 10:16:51,098 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-12-09 10:16:51,098 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-12-09 10:16:51,098 INFO L448 ceAbstractionStarter]: For program point L1086(lines 1086 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,099 INFO L448 ceAbstractionStarter]: For program point L954(lines 954 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,099 INFO L448 ceAbstractionStarter]: For program point L888(lines 888 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,099 INFO L448 ceAbstractionStarter]: For program point L822(lines 822 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,099 INFO L448 ceAbstractionStarter]: For program point L624(lines 624 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,099 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 10:16:51,099 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 10:16:51,099 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 10:16:51,099 INFO L448 ceAbstractionStarter]: For program point L691(lines 691 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,099 INFO L448 ceAbstractionStarter]: For program point L1484(lines 1484 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,099 INFO L448 ceAbstractionStarter]: For program point L427(lines 427 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,099 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,099 INFO L448 ceAbstractionStarter]: For program point L1286(lines 1286 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,099 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,099 INFO L448 ceAbstractionStarter]: For program point L1220(lines 1220 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,099 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-12-09 10:16:51,099 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-12-09 10:16:51,099 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-12-09 10:16:51,099 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,099 INFO L448 ceAbstractionStarter]: For program point L560(lines 560 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,099 INFO L448 ceAbstractionStarter]: For program point L1353(lines 1353 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,099 INFO L448 ceAbstractionStarter]: For program point L1155(lines 1155 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,099 INFO L448 ceAbstractionStarter]: For program point L495(lines 495 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,099 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,099 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 10:16:51,099 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 10:16:51,099 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 10:16:51,100 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 181) no Hoare annotation was computed. [2018-12-09 10:16:51,100 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-12-09 10:16:51,100 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-12-09 10:16:51,100 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-12-09 10:16:51,100 INFO L448 ceAbstractionStarter]: For program point L1025(lines 1025 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,100 INFO L448 ceAbstractionStarter]: For program point L1422(lines 1422 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,100 INFO L448 ceAbstractionStarter]: For program point L1092(lines 1092 1490) no Hoare annotation was computed. [2018-12-09 10:16:51,100 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 10:16:51,100 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a16~0 11) (= 3 ~a15~0) (= ~a12~0 5) (= (+ ~a18~0 87) 0)) [2018-12-09 10:16:51,100 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 10:16:51,100 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 10:16:51,100 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 1767 1783) the Hoare annotation is: (or (not (= 3 |old(~a15~0)|)) (not (= 5 |old(~a12~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (not (= 11 |old(~a16~0)|)) (and (= ~a16~0 |old(~a16~0)|) (= 3 ~a15~0) (= ~a18~0 |old(~a18~0)|) (= |old(~a12~0)| ~a12~0))) [2018-12-09 10:16:51,100 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 1767 1783) no Hoare annotation was computed. [2018-12-09 10:16:51,100 INFO L444 ceAbstractionStarter]: At program point L1781(line 1781) the Hoare annotation is: (let ((.cse1 (<= ~a16~0 8)) (.cse2 (= 3 ~a15~0)) (.cse3 (<= 4 ~a15~0)) (.cse0 (not (= ~a12~0 9)))) (or (not (= 11 |old(~a16~0)|)) (and .cse0 .cse1) (not (= (+ |old(~a18~0)| 87) 0)) (not (= 3 |old(~a15~0)|)) (and (not (= ~a16~0 8)) .cse2) (not (= 5 |old(~a12~0)|)) (and .cse3 (<= ~a16~0 9)) (and (<= (+ ~a18~0 87) 0) .cse1) (and .cse2 (< 134 ~a18~0)) (and .cse3 (and .cse0 (not (= ~a16~0 12)) (not (= ~a12~0 8)))))) [2018-12-09 10:16:51,100 INFO L448 ceAbstractionStarter]: For program point L1781-1(line 1781) no Hoare annotation was computed. [2018-12-09 10:16:51,100 INFO L448 ceAbstractionStarter]: For program point L1778(line 1778) no Hoare annotation was computed. [2018-12-09 10:16:51,100 INFO L444 ceAbstractionStarter]: At program point L1773-2(lines 1773 1782) the Hoare annotation is: (let ((.cse1 (<= ~a16~0 8)) (.cse2 (= 3 ~a15~0)) (.cse3 (<= 4 ~a15~0)) (.cse0 (not (= ~a12~0 9)))) (or (not (= 11 |old(~a16~0)|)) (and .cse0 .cse1) (not (= (+ |old(~a18~0)| 87) 0)) (not (= 3 |old(~a15~0)|)) (and .cse2 (not (= ~a16~0 8))) (not (= 5 |old(~a12~0)|)) (and .cse3 (<= ~a16~0 9)) (and (<= (+ ~a18~0 87) 0) .cse1) (and .cse2 (< 134 ~a18~0)) (and .cse3 (and .cse0 (not (= ~a16~0 12)) (not (= ~a12~0 8)))))) [2018-12-09 10:16:51,100 INFO L448 ceAbstractionStarter]: For program point L1773-3(lines 1767 1783) no Hoare annotation was computed. [2018-12-09 10:16:51,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 10:16:51 BoogieIcfgContainer [2018-12-09 10:16:51,107 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 10:16:51,107 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 10:16:51,107 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 10:16:51,108 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 10:16:51,108 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:11:39" (3/4) ... [2018-12-09 10:16:51,110 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 10:16:51,114 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 10:16:51,114 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output2 [2018-12-09 10:16:51,114 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-09 10:16:51,114 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 10:16:51,125 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-12-09 10:16:51,126 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 10:16:51,145 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(11 == \old(a16)) || (!(a12 == 9) && a16 <= 8)) || !(\old(a18) + 87 == 0)) || !(3 == \old(a15))) || (3 == a15 && !(a16 == 8))) || !(5 == \old(a12))) || (4 <= a15 && a16 <= 9)) || (a18 + 87 <= 0 && a16 <= 8)) || (3 == a15 && 134 < a18)) || (4 <= a15 && (!(a12 == 9) && !(a16 == 12)) && !(a12 == 8)) [2018-12-09 10:16:51,228 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d19531b9-97dd-4c5d-a2cc-f4f7f3247d9c/bin-2019/utaipan/witness.graphml [2018-12-09 10:16:51,228 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 10:16:51,229 INFO L168 Benchmark]: Toolchain (without parser) took 313939.63 ms. Allocated memory was 1.0 GB in the beginning and 5.1 GB in the end (delta: 4.1 GB). Free memory was 950.6 MB in the beginning and 2.1 GB in the end (delta: -1.1 GB). Peak memory consumption was 3.0 GB. Max. memory is 11.5 GB. [2018-12-09 10:16:51,229 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 10:16:51,230 INFO L168 Benchmark]: CACSL2BoogieTranslator took 602.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -128.1 MB). Peak memory consumption was 68.0 MB. Max. memory is 11.5 GB. [2018-12-09 10:16:51,230 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.80 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: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2018-12-09 10:16:51,230 INFO L168 Benchmark]: Boogie Preprocessor took 65.20 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: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2018-12-09 10:16:51,230 INFO L168 Benchmark]: RCFGBuilder took 1442.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 815.3 MB in the end (delta: 249.2 MB). Peak memory consumption was 249.2 MB. Max. memory is 11.5 GB. [2018-12-09 10:16:51,230 INFO L168 Benchmark]: TraceAbstraction took 311679.84 ms. Allocated memory was 1.2 GB in the beginning and 5.1 GB in the end (delta: 4.0 GB). Free memory was 815.3 MB in the beginning and 2.1 GB in the end (delta: -1.3 GB). Peak memory consumption was 3.8 GB. Max. memory is 11.5 GB. [2018-12-09 10:16:51,230 INFO L168 Benchmark]: Witness Printer took 121.12 ms. Allocated memory is still 5.1 GB. Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 74.0 MB). Peak memory consumption was 74.0 MB. Max. memory is 11.5 GB. [2018-12-09 10:16:51,232 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 602.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -128.1 MB). Peak memory consumption was 68.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.80 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: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 65.20 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: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1442.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 815.3 MB in the end (delta: 249.2 MB). Peak memory consumption was 249.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 311679.84 ms. Allocated memory was 1.2 GB in the beginning and 5.1 GB in the end (delta: 4.0 GB). Free memory was 815.3 MB in the beginning and 2.1 GB in the end (delta: -1.3 GB). Peak memory consumption was 3.8 GB. Max. memory is 11.5 GB. * Witness Printer took 121.12 ms. Allocated memory is still 5.1 GB. Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 74.0 MB). Peak memory consumption was 74.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 181]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1773]: Loop Invariant Derived loop invariant: ((((((((!(11 == \old(a16)) || (!(a12 == 9) && a16 <= 8)) || !(\old(a18) + 87 == 0)) || !(3 == \old(a15))) || (3 == a15 && !(a16 == 8))) || !(5 == \old(a12))) || (4 <= a15 && a16 <= 9)) || (a18 + 87 <= 0 && a16 <= 8)) || (3 == a15 && 134 < a18)) || (4 <= a15 && (!(a12 == 9) && !(a16 == 12)) && !(a12 == 8)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 409 locations, 1 error locations. SAFE Result, 311.6s OverallTime, 16 OverallIterations, 9 TraceHistogramMax, 279.9s AutomataDifference, 0.0s DeadEndRemovalTime, 8.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 2371 SDtfs, 30605 SDslu, 1753 SDs, 0 SdLazy, 44662 SolverSat, 7822 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 251.1s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 16930 GetRequests, 16574 SyntacticMatches, 21 SemanticMatches, 335 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3858 ImplicationChecksByTransitivity, 7.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18194occurred in iteration=15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 4.3s AbstIntTime, 11 AbstIntIterations, 4 AbstIntStrong, 0.9979392469133901 AbsIntWeakeningRatio, 0.06594538897475528 AbsIntAvgWeakeningVarsNumRemoved, 16.168469860896444 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.5s AutomataMinimizationTime, 16 MinimizatonAttempts, 4611 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 1682 PreInvPairs, 2001 NumberOfFragments, 788 HoareAnnotationTreeSize, 1682 FomulaSimplifications, 77989 FormulaSimplificationTreeSizeReduction, 1.5s HoareSimplificationTime, 9 FomulaSimplificationsInter, 92274 FormulaSimplificationTreeSizeReductionInter, 7.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 7.2s InterpolantComputationTime, 17197 NumberOfCodeBlocks, 17197 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 24434 ConstructedInterpolants, 0 QuantifiedInterpolants, 78987097 SizeOfPredicates, 5 NumberOfNonLiveVariables, 9633 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 30 InterpolantComputations, 9 PerfectInterpolantSequences, 43876/49844 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...