./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label16_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ab0365a1-1272-43f4-b7ca-faa80181f3db/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ab0365a1-1272-43f4-b7ca-faa80181f3db/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ab0365a1-1272-43f4-b7ca-faa80181f3db/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ab0365a1-1272-43f4-b7ca-faa80181f3db/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label16_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ab0365a1-1272-43f4-b7ca-faa80181f3db/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ab0365a1-1272-43f4-b7ca-faa80181f3db/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 5985a693844a745b17f53ac09178823316d8edff .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 06:01:02,976 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 06:01:02,977 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 06:01:02,984 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 06:01:02,985 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 06:01:02,985 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 06:01:02,986 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 06:01:02,987 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 06:01:02,988 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 06:01:02,989 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 06:01:02,989 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 06:01:02,989 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 06:01:02,990 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 06:01:02,990 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 06:01:02,991 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 06:01:02,992 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 06:01:02,992 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 06:01:02,995 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 06:01:02,996 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 06:01:02,997 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 06:01:02,998 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 06:01:02,998 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 06:01:03,000 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 06:01:03,000 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 06:01:03,000 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 06:01:03,001 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 06:01:03,002 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 06:01:03,002 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 06:01:03,003 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 06:01:03,004 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 06:01:03,004 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 06:01:03,004 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 06:01:03,004 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 06:01:03,005 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 06:01:03,005 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 06:01:03,006 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 06:01:03,006 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ab0365a1-1272-43f4-b7ca-faa80181f3db/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 06:01:03,016 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 06:01:03,016 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 06:01:03,017 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 06:01:03,017 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 06:01:03,017 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 06:01:03,017 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 06:01:03,018 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 06:01:03,018 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 06:01:03,018 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 06:01:03,018 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 06:01:03,018 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 06:01:03,018 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 06:01:03,018 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 06:01:03,019 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 06:01:03,019 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 06:01:03,019 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 06:01:03,019 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 06:01:03,020 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 06:01:03,020 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 06:01:03,020 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 06:01:03,020 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 06:01:03,020 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 06:01:03,020 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 06:01:03,020 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 06:01:03,021 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 06:01:03,021 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 06:01:03,021 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 06:01:03,021 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 06:01:03,021 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 06:01:03,021 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 06:01:03,022 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 06:01:03,022 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 06:01:03,022 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 06:01:03,022 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 06:01:03,022 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 06:01:03,022 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 06:01:03,022 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 06:01:03,022 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_ab0365a1-1272-43f4-b7ca-faa80181f3db/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 -> 5985a693844a745b17f53ac09178823316d8edff [2018-11-23 06:01:03,048 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 06:01:03,056 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 06:01:03,058 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 06:01:03,059 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 06:01:03,059 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 06:01:03,060 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ab0365a1-1272-43f4-b7ca-faa80181f3db/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem16_label16_true-unreach-call.c [2018-11-23 06:01:03,097 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ab0365a1-1272-43f4-b7ca-faa80181f3db/bin-2019/utaipan/data/dbe715959/95e26d8bb870490eaef13a0c8d9d27b0/FLAGd97dc6ad0 [2018-11-23 06:01:03,609 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 06:01:03,610 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ab0365a1-1272-43f4-b7ca-faa80181f3db/sv-benchmarks/c/eca-rers2012/Problem16_label16_true-unreach-call.c [2018-11-23 06:01:03,620 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ab0365a1-1272-43f4-b7ca-faa80181f3db/bin-2019/utaipan/data/dbe715959/95e26d8bb870490eaef13a0c8d9d27b0/FLAGd97dc6ad0 [2018-11-23 06:01:04,076 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ab0365a1-1272-43f4-b7ca-faa80181f3db/bin-2019/utaipan/data/dbe715959/95e26d8bb870490eaef13a0c8d9d27b0 [2018-11-23 06:01:04,078 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 06:01:04,079 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 06:01:04,080 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 06:01:04,080 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 06:01:04,082 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 06:01:04,083 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:01:04" (1/1) ... [2018-11-23 06:01:04,085 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29f375ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:01:04, skipping insertion in model container [2018-11-23 06:01:04,085 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:01:04" (1/1) ... [2018-11-23 06:01:04,094 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 06:01:04,153 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 06:01:04,559 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:01:04,563 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 06:01:04,758 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:01:04,772 INFO L195 MainTranslator]: Completed translation [2018-11-23 06:01:04,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:01:04 WrapperNode [2018-11-23 06:01:04,773 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 06:01:04,773 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 06:01:04,773 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 06:01:04,773 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 06:01:04,848 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:01:04" (1/1) ... [2018-11-23 06:01:04,866 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:01:04" (1/1) ... [2018-11-23 06:01:04,873 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 06:01:04,874 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 06:01:04,874 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 06:01:04,874 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 06:01:04,883 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:01:04" (1/1) ... [2018-11-23 06:01:04,883 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:01:04" (1/1) ... [2018-11-23 06:01:04,888 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:01:04" (1/1) ... [2018-11-23 06:01:04,888 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:01:04" (1/1) ... [2018-11-23 06:01:04,913 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:01:04" (1/1) ... [2018-11-23 06:01:04,925 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:01:04" (1/1) ... [2018-11-23 06:01:04,935 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:01:04" (1/1) ... [2018-11-23 06:01:04,946 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 06:01:04,947 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 06:01:04,947 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 06:01:04,947 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 06:01:04,948 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:01:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ab0365a1-1272-43f4-b7ca-faa80181f3db/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 06:01:04,997 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 06:01:04,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 06:01:04,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 06:01:04,997 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-23 06:01:04,997 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-23 06:01:04,997 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 06:01:04,997 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 06:01:04,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 06:01:04,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 06:01:04,998 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 06:01:04,998 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 06:01:06,702 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 06:01:06,703 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 06:01:06,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:01:06 BoogieIcfgContainer [2018-11-23 06:01:06,703 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 06:01:06,704 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 06:01:06,704 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 06:01:06,707 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 06:01:06,707 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:01:04" (1/3) ... [2018-11-23 06:01:06,708 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@182f83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:01:06, skipping insertion in model container [2018-11-23 06:01:06,708 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:01:04" (2/3) ... [2018-11-23 06:01:06,708 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@182f83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:01:06, skipping insertion in model container [2018-11-23 06:01:06,708 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:01:06" (3/3) ... [2018-11-23 06:01:06,710 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label16_true-unreach-call.c [2018-11-23 06:01:06,716 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 06:01:06,725 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 06:01:06,735 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 06:01:06,760 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 06:01:06,760 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 06:01:06,760 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 06:01:06,760 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 06:01:06,760 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 06:01:06,760 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 06:01:06,761 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 06:01:06,761 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 06:01:06,780 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states. [2018-11-23 06:01:06,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-23 06:01:06,785 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:01:06,786 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] [2018-11-23 06:01:06,788 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:01:06,792 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:01:06,792 INFO L82 PathProgramCache]: Analyzing trace with hash 1899898085, now seen corresponding path program 1 times [2018-11-23 06:01:06,793 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:01:06,823 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:01:06,823 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:01:06,823 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:01:06,823 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:01:06,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:01:06,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:01:07,000 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:01:07,000 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 06:01:07,001 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:01:07,004 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 06:01:07,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 06:01:07,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 06:01:07,014 INFO L87 Difference]: Start difference. First operand 409 states. Second operand 3 states. [2018-11-23 06:01:08,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:01:08,143 INFO L93 Difference]: Finished difference Result 1153 states and 2141 transitions. [2018-11-23 06:01:08,144 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 06:01:08,145 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-23 06:01:08,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:01:08,159 INFO L225 Difference]: With dead ends: 1153 [2018-11-23 06:01:08,159 INFO L226 Difference]: Without dead ends: 742 [2018-11-23 06:01:08,165 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 [2018-11-23 06:01:08,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 742 states. [2018-11-23 06:01:08,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 742 to 742. [2018-11-23 06:01:08,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 742 states. [2018-11-23 06:01:08,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 742 states and 1315 transitions. [2018-11-23 06:01:08,227 INFO L78 Accepts]: Start accepts. Automaton has 742 states and 1315 transitions. Word has length 48 [2018-11-23 06:01:08,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:01:08,227 INFO L480 AbstractCegarLoop]: Abstraction has 742 states and 1315 transitions. [2018-11-23 06:01:08,227 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 06:01:08,228 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 1315 transitions. [2018-11-23 06:01:08,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-11-23 06:01:08,232 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:01:08,232 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:01:08,232 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:01:08,232 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:01:08,232 INFO L82 PathProgramCache]: Analyzing trace with hash 301606541, now seen corresponding path program 1 times [2018-11-23 06:01:08,233 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:01:08,233 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:01:08,233 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:01:08,234 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:01:08,234 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:01:08,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:01:08,361 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:01:08,361 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:01:08,361 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 06:01:08,361 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:01:08,363 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 06:01:08,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 06:01:08,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-23 06:01:08,363 INFO L87 Difference]: Start difference. First operand 742 states and 1315 transitions. Second operand 6 states. [2018-11-23 06:01:13,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:01:13,688 INFO L93 Difference]: Finished difference Result 2942 states and 5474 transitions. [2018-11-23 06:01:13,689 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-23 06:01:13,689 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 123 [2018-11-23 06:01:13,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:01:13,708 INFO L225 Difference]: With dead ends: 2942 [2018-11-23 06:01:13,708 INFO L226 Difference]: Without dead ends: 2206 [2018-11-23 06:01:13,719 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-11-23 06:01:13,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2206 states. [2018-11-23 06:01:13,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2206 to 2161. [2018-11-23 06:01:13,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2161 states. [2018-11-23 06:01:13,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2161 states to 2161 states and 3661 transitions. [2018-11-23 06:01:13,814 INFO L78 Accepts]: Start accepts. Automaton has 2161 states and 3661 transitions. Word has length 123 [2018-11-23 06:01:13,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:01:13,815 INFO L480 AbstractCegarLoop]: Abstraction has 2161 states and 3661 transitions. [2018-11-23 06:01:13,815 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 06:01:13,815 INFO L276 IsEmpty]: Start isEmpty. Operand 2161 states and 3661 transitions. [2018-11-23 06:01:13,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-23 06:01:13,818 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:01:13,818 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:01:13,818 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:01:13,818 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:01:13,819 INFO L82 PathProgramCache]: Analyzing trace with hash 1614630469, now seen corresponding path program 1 times [2018-11-23 06:01:13,819 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:01:13,819 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:01:13,819 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:01:13,820 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:01:13,820 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:01:13,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:01:13,928 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:01:13,929 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:01:13,929 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 06:01:13,929 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:01:13,929 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 06:01:13,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 06:01:13,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 06:01:13,930 INFO L87 Difference]: Start difference. First operand 2161 states and 3661 transitions. Second operand 6 states. [2018-11-23 06:01:16,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:01:16,051 INFO L93 Difference]: Finished difference Result 8003 states and 14186 transitions. [2018-11-23 06:01:16,051 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 06:01:16,051 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 127 [2018-11-23 06:01:16,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:01:16,082 INFO L225 Difference]: With dead ends: 8003 [2018-11-23 06:01:16,082 INFO L226 Difference]: Without dead ends: 5848 [2018-11-23 06:01:16,105 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 [2018-11-23 06:01:16,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5848 states. [2018-11-23 06:01:16,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5848 to 5801. [2018-11-23 06:01:16,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5801 states. [2018-11-23 06:01:16,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5801 states to 5801 states and 8915 transitions. [2018-11-23 06:01:16,240 INFO L78 Accepts]: Start accepts. Automaton has 5801 states and 8915 transitions. Word has length 127 [2018-11-23 06:01:16,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:01:16,240 INFO L480 AbstractCegarLoop]: Abstraction has 5801 states and 8915 transitions. [2018-11-23 06:01:16,240 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 06:01:16,240 INFO L276 IsEmpty]: Start isEmpty. Operand 5801 states and 8915 transitions. [2018-11-23 06:01:16,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-11-23 06:01:16,243 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:01:16,243 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:01:16,243 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:01:16,244 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:01:16,244 INFO L82 PathProgramCache]: Analyzing trace with hash 939099681, now seen corresponding path program 1 times [2018-11-23 06:01:16,244 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:01:16,244 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:01:16,245 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:01:16,246 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:01:16,246 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:01:16,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:01:16,369 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:01:16,369 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:01:16,370 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 06:01:16,370 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:01:16,370 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 06:01:16,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 06:01:16,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 06:01:16,371 INFO L87 Difference]: Start difference. First operand 5801 states and 8915 transitions. Second operand 6 states. [2018-11-23 06:01:18,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:01:18,122 INFO L93 Difference]: Finished difference Result 13745 states and 22241 transitions. [2018-11-23 06:01:18,122 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 06:01:18,123 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 129 [2018-11-23 06:01:18,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:01:18,157 INFO L225 Difference]: With dead ends: 13745 [2018-11-23 06:01:18,157 INFO L226 Difference]: Without dead ends: 7950 [2018-11-23 06:01:18,188 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 [2018-11-23 06:01:18,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7950 states. [2018-11-23 06:01:18,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7950 to 7883. [2018-11-23 06:01:18,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7883 states. [2018-11-23 06:01:18,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7883 states to 7883 states and 11522 transitions. [2018-11-23 06:01:18,353 INFO L78 Accepts]: Start accepts. Automaton has 7883 states and 11522 transitions. Word has length 129 [2018-11-23 06:01:18,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:01:18,353 INFO L480 AbstractCegarLoop]: Abstraction has 7883 states and 11522 transitions. [2018-11-23 06:01:18,354 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 06:01:18,354 INFO L276 IsEmpty]: Start isEmpty. Operand 7883 states and 11522 transitions. [2018-11-23 06:01:18,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-23 06:01:18,356 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:01:18,356 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:01:18,356 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:01:18,356 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:01:18,356 INFO L82 PathProgramCache]: Analyzing trace with hash 1902020488, now seen corresponding path program 1 times [2018-11-23 06:01:18,356 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:01:18,357 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:01:18,357 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:01:18,357 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:01:18,357 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:01:18,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:01:18,439 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:01:18,440 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:01:18,440 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 06:01:18,440 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:01:18,441 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 06:01:18,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 06:01:18,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 06:01:18,441 INFO L87 Difference]: Start difference. First operand 7883 states and 11522 transitions. Second operand 6 states. [2018-11-23 06:01:19,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:01:19,873 INFO L93 Difference]: Finished difference Result 19175 states and 30017 transitions. [2018-11-23 06:01:19,877 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 06:01:19,877 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 132 [2018-11-23 06:01:19,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:01:19,920 INFO L225 Difference]: With dead ends: 19175 [2018-11-23 06:01:19,920 INFO L226 Difference]: Without dead ends: 11298 [2018-11-23 06:01:19,938 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 [2018-11-23 06:01:19,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11298 states. [2018-11-23 06:01:20,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11298 to 11268. [2018-11-23 06:01:20,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11268 states. [2018-11-23 06:01:20,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11268 states to 11268 states and 16040 transitions. [2018-11-23 06:01:20,137 INFO L78 Accepts]: Start accepts. Automaton has 11268 states and 16040 transitions. Word has length 132 [2018-11-23 06:01:20,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:01:20,137 INFO L480 AbstractCegarLoop]: Abstraction has 11268 states and 16040 transitions. [2018-11-23 06:01:20,137 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 06:01:20,138 INFO L276 IsEmpty]: Start isEmpty. Operand 11268 states and 16040 transitions. [2018-11-23 06:01:20,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-23 06:01:20,139 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:01:20,139 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:01:20,139 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:01:20,139 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:01:20,139 INFO L82 PathProgramCache]: Analyzing trace with hash -1440393839, now seen corresponding path program 1 times [2018-11-23 06:01:20,139 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:01:20,140 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:01:20,140 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:01:20,140 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:01:20,140 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:01:20,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:01:20,238 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:01:20,238 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:01:20,238 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 06:01:20,238 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:01:20,239 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 06:01:20,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 06:01:20,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 06:01:20,239 INFO L87 Difference]: Start difference. First operand 11268 states and 16040 transitions. Second operand 6 states. [2018-11-23 06:01:21,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:01:21,582 INFO L93 Difference]: Finished difference Result 24304 states and 35356 transitions. [2018-11-23 06:01:21,583 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 06:01:21,583 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 137 [2018-11-23 06:01:21,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:01:21,633 INFO L225 Difference]: With dead ends: 24304 [2018-11-23 06:01:21,633 INFO L226 Difference]: Without dead ends: 13042 [2018-11-23 06:01:21,667 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 [2018-11-23 06:01:21,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13042 states. [2018-11-23 06:01:21,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13042 to 13020. [2018-11-23 06:01:21,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13020 states. [2018-11-23 06:01:21,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13020 states to 13020 states and 17248 transitions. [2018-11-23 06:01:21,965 INFO L78 Accepts]: Start accepts. Automaton has 13020 states and 17248 transitions. Word has length 137 [2018-11-23 06:01:21,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:01:21,966 INFO L480 AbstractCegarLoop]: Abstraction has 13020 states and 17248 transitions. [2018-11-23 06:01:21,966 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 06:01:21,966 INFO L276 IsEmpty]: Start isEmpty. Operand 13020 states and 17248 transitions. [2018-11-23 06:01:21,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-23 06:01:21,967 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:01:21,967 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:01:21,967 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:01:21,967 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:01:21,967 INFO L82 PathProgramCache]: Analyzing trace with hash -37681811, now seen corresponding path program 1 times [2018-11-23 06:01:21,968 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:01:21,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:01:21,968 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:01:21,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:01:21,968 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:01:21,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:01:22,052 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 06:01:22,053 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:01:22,053 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 06:01:22,053 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 140 with the following transitions: [2018-11-23 06:01:22,055 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [471], [473], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [760], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 06:01:22,089 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 06:01:22,090 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 06:01:22,565 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 06:01:22,566 INFO L272 AbstractInterpreter]: Visited 98 different actions 281 times. Merged at 4 different actions 7 times. Never widened. Performed 2536 root evaluator evaluations with a maximum evaluation depth of 7. Performed 2536 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-23 06:01:22,573 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:01:22,573 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 06:01:22,783 INFO L227 lantSequenceWeakener]: Weakened 136 states. On average, predicates are now at 80.99% of their original sizes. [2018-11-23 06:01:22,783 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 06:01:22,837 INFO L415 sIntCurrentIteration]: We unified 138 AI predicates to 138 [2018-11-23 06:01:22,837 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 06:01:22,838 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 06:01:22,838 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [4] total 12 [2018-11-23 06:01:22,838 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:01:22,838 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 06:01:22,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 06:01:22,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 06:01:22,839 INFO L87 Difference]: Start difference. First operand 13020 states and 17248 transitions. Second operand 10 states. [2018-11-23 06:03:11,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:03:11,218 INFO L93 Difference]: Finished difference Result 33450 states and 44391 transitions. [2018-11-23 06:03:11,218 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-23 06:03:11,218 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 139 [2018-11-23 06:03:11,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:03:11,311 INFO L225 Difference]: With dead ends: 33450 [2018-11-23 06:03:11,311 INFO L226 Difference]: Without dead ends: 20408 [2018-11-23 06:03:11,419 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 148 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-23 06:03:11,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20408 states. [2018-11-23 06:03:11,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20408 to 20339. [2018-11-23 06:03:11,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20339 states. [2018-11-23 06:03:11,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20339 states to 20339 states and 25172 transitions. [2018-11-23 06:03:11,881 INFO L78 Accepts]: Start accepts. Automaton has 20339 states and 25172 transitions. Word has length 139 [2018-11-23 06:03:11,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:03:11,881 INFO L480 AbstractCegarLoop]: Abstraction has 20339 states and 25172 transitions. [2018-11-23 06:03:11,881 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 06:03:11,881 INFO L276 IsEmpty]: Start isEmpty. Operand 20339 states and 25172 transitions. [2018-11-23 06:03:11,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 532 [2018-11-23 06:03:11,899 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:03:11,899 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:03:11,899 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:03:11,899 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:03:11,900 INFO L82 PathProgramCache]: Analyzing trace with hash 99438209, now seen corresponding path program 1 times [2018-11-23 06:03:11,900 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:03:11,900 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:03:11,901 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:03:11,901 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:03:11,901 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:03:11,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:03:12,272 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 354 proven. 2 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2018-11-23 06:03:12,272 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:03:12,272 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 06:03:12,272 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 532 with the following transitions: [2018-11-23 06:03:12,273 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [471], [473], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 06:03:12,280 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 06:03:12,281 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 06:03:12,978 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 06:03:12,978 INFO L272 AbstractInterpreter]: Visited 249 different actions 991 times. Merged at 7 different actions 27 times. Widened at 1 different actions 1 times. Performed 11644 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11644 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 6 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-23 06:03:12,980 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:03:12,981 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 06:03:12,981 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:03:12,981 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ab0365a1-1272-43f4-b7ca-faa80181f3db/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 06:03:12,988 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:03:12,988 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 06:03:13,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:03:13,097 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:03:13,351 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 354 proven. 2 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2018-11-23 06:03:13,351 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 06:03:13,625 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 354 proven. 2 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2018-11-23 06:03:13,646 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 06:03:13,647 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-23 06:03:13,647 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 06:03:13,648 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 06:03:13,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 06:03:13,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-11-23 06:03:13,648 INFO L87 Difference]: Start difference. First operand 20339 states and 25172 transitions. Second operand 9 states. [2018-11-23 06:03:16,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:03:16,814 INFO L93 Difference]: Finished difference Result 50076 states and 68596 transitions. [2018-11-23 06:03:16,815 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-23 06:03:16,815 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 531 [2018-11-23 06:03:16,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:03:16,981 INFO L225 Difference]: With dead ends: 50076 [2018-11-23 06:03:16,981 INFO L226 Difference]: Without dead ends: 30080 [2018-11-23 06:03:17,120 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1083 GetRequests, 1065 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2018-11-23 06:03:17,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30080 states. [2018-11-23 06:03:17,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30080 to 29490. [2018-11-23 06:03:17,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29490 states. [2018-11-23 06:03:17,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29490 states to 29490 states and 37646 transitions. [2018-11-23 06:03:17,758 INFO L78 Accepts]: Start accepts. Automaton has 29490 states and 37646 transitions. Word has length 531 [2018-11-23 06:03:17,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:03:17,759 INFO L480 AbstractCegarLoop]: Abstraction has 29490 states and 37646 transitions. [2018-11-23 06:03:17,759 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 06:03:17,759 INFO L276 IsEmpty]: Start isEmpty. Operand 29490 states and 37646 transitions. [2018-11-23 06:03:17,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 874 [2018-11-23 06:03:17,827 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:03:17,828 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 06:03:17,828 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:03:17,828 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:03:17,828 INFO L82 PathProgramCache]: Analyzing trace with hash -1440315744, now seen corresponding path program 1 times [2018-11-23 06:03:17,829 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:03:17,829 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:03:17,829 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:03:17,829 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:03:17,830 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:03:17,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:03:19,087 INFO L134 CoverageAnalysis]: Checked inductivity of 1219 backedges. 409 proven. 660 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2018-11-23 06:03:19,087 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:03:19,087 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 06:03:19,087 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 874 with the following transitions: [2018-11-23 06:03:19,088 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [471], [473], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [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], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1392], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 06:03:19,093 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 06:03:19,093 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 06:03:19,321 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 06:03:19,321 INFO L272 AbstractInterpreter]: Visited 259 different actions 512 times. Merged at 4 different actions 4 times. Never widened. Performed 5487 root evaluator evaluations with a maximum evaluation depth of 15. Performed 5487 inverse root evaluator evaluations with a maximum inverse evaluation depth of 15. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-23 06:03:19,333 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:03:19,333 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 06:03:19,820 INFO L227 lantSequenceWeakener]: Weakened 870 states. On average, predicates are now at 77.46% of their original sizes. [2018-11-23 06:03:19,820 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 06:03:19,881 INFO L415 sIntCurrentIteration]: We unified 872 AI predicates to 872 [2018-11-23 06:03:19,881 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 06:03:19,882 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 06:03:19,882 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [14] total 22 [2018-11-23 06:03:19,882 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:03:19,882 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 06:03:19,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 06:03:19,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 06:03:19,883 INFO L87 Difference]: Start difference. First operand 29490 states and 37646 transitions. Second operand 10 states. [2018-11-23 06:04:34,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:04:34,190 INFO L93 Difference]: Finished difference Result 58978 states and 75332 transitions. [2018-11-23 06:04:34,190 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-23 06:04:34,190 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 873 [2018-11-23 06:04:34,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:04:34,304 INFO L225 Difference]: With dead ends: 58978 [2018-11-23 06:04:34,304 INFO L226 Difference]: Without dead ends: 29831 [2018-11-23 06:04:34,406 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 880 GetRequests, 864 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-11-23 06:04:34,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29831 states. [2018-11-23 06:04:34,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29831 to 29829. [2018-11-23 06:04:34,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29829 states. [2018-11-23 06:04:34,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29829 states to 29829 states and 38004 transitions. [2018-11-23 06:04:34,936 INFO L78 Accepts]: Start accepts. Automaton has 29829 states and 38004 transitions. Word has length 873 [2018-11-23 06:04:34,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:04:34,936 INFO L480 AbstractCegarLoop]: Abstraction has 29829 states and 38004 transitions. [2018-11-23 06:04:34,937 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 06:04:34,937 INFO L276 IsEmpty]: Start isEmpty. Operand 29829 states and 38004 transitions. [2018-11-23 06:04:34,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 882 [2018-11-23 06:04:34,988 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:04:34,989 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 06:04:34,989 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:04:34,989 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:04:34,990 INFO L82 PathProgramCache]: Analyzing trace with hash -1585976816, now seen corresponding path program 1 times [2018-11-23 06:04:34,990 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:04:34,990 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:04:34,991 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:04:34,991 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:04:34,991 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:04:35,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:04:35,579 INFO L134 CoverageAnalysis]: Checked inductivity of 1227 backedges. 451 proven. 578 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2018-11-23 06:04:35,579 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:04:35,579 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 06:04:35,579 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 882 with the following transitions: [2018-11-23 06:04:35,579 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [471], [473], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [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], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1385], [1389], [1392], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 06:04:35,583 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 06:04:35,583 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 06:04:35,879 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 06:04:35,879 INFO L272 AbstractInterpreter]: Visited 259 different actions 764 times. Merged at 4 different actions 7 times. Never widened. Performed 8948 root evaluator evaluations with a maximum evaluation depth of 15. Performed 8948 inverse root evaluator evaluations with a maximum inverse evaluation depth of 15. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-23 06:04:35,881 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:04:35,881 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 06:04:36,337 INFO L227 lantSequenceWeakener]: Weakened 878 states. On average, predicates are now at 80.17% of their original sizes. [2018-11-23 06:04:36,338 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 06:04:36,384 INFO L415 sIntCurrentIteration]: We unified 880 AI predicates to 880 [2018-11-23 06:04:36,384 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 06:04:36,385 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 06:04:36,385 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2018-11-23 06:04:36,385 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:04:36,386 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 06:04:36,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 06:04:36,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 06:04:36,386 INFO L87 Difference]: Start difference. First operand 29829 states and 38004 transitions. Second operand 9 states. [2018-11-23 06:05:21,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:05:21,784 INFO L93 Difference]: Finished difference Result 60164 states and 76906 transitions. [2018-11-23 06:05:21,784 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-23 06:05:21,784 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 881 [2018-11-23 06:05:21,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:05:21,904 INFO L225 Difference]: With dead ends: 60164 [2018-11-23 06:05:21,904 INFO L226 Difference]: Without dead ends: 31017 [2018-11-23 06:05:22,014 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 887 GetRequests, 873 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-11-23 06:05:22,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31017 states. [2018-11-23 06:05:22,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31017 to 31006. [2018-11-23 06:05:22,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31006 states. [2018-11-23 06:05:22,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31006 states to 31006 states and 39337 transitions. [2018-11-23 06:05:22,565 INFO L78 Accepts]: Start accepts. Automaton has 31006 states and 39337 transitions. Word has length 881 [2018-11-23 06:05:22,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:05:22,566 INFO L480 AbstractCegarLoop]: Abstraction has 31006 states and 39337 transitions. [2018-11-23 06:05:22,566 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 06:05:22,566 INFO L276 IsEmpty]: Start isEmpty. Operand 31006 states and 39337 transitions. [2018-11-23 06:05:22,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 965 [2018-11-23 06:05:22,611 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:05:22,611 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:05:22,611 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:05:22,612 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:05:22,612 INFO L82 PathProgramCache]: Analyzing trace with hash -938021096, now seen corresponding path program 1 times [2018-11-23 06:05:22,612 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:05:22,613 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:05:22,613 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:05:22,613 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:05:22,613 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:05:22,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:05:23,808 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 306 proven. 572 refuted. 0 times theorem prover too weak. 746 trivial. 0 not checked. [2018-11-23 06:05:23,808 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:05:23,808 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 06:05:23,809 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 965 with the following transitions: [2018-11-23 06:05:23,809 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [471], [473], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [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], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [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], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1392], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 06:05:23,812 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 06:05:23,812 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 06:05:24,443 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 06:05:24,444 INFO L272 AbstractInterpreter]: Visited 261 different actions 1303 times. Merged at 9 different actions 41 times. Never widened. Performed 15879 root evaluator evaluations with a maximum evaluation depth of 15. Performed 15879 inverse root evaluator evaluations with a maximum inverse evaluation depth of 15. Found 13 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-23 06:05:24,445 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:05:24,445 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 06:05:24,445 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:05:24,445 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ab0365a1-1272-43f4-b7ca-faa80181f3db/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 06:05:24,451 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:05:24,451 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 06:05:24,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:05:24,565 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:05:24,895 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 1017 proven. 2 refuted. 0 times theorem prover too weak. 605 trivial. 0 not checked. [2018-11-23 06:05:24,895 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 06:05:25,310 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 306 proven. 572 refuted. 0 times theorem prover too weak. 746 trivial. 0 not checked. [2018-11-23 06:05:25,325 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 06:05:25,325 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 18 [2018-11-23 06:05:25,325 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 06:05:25,326 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-23 06:05:25,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-23 06:05:25,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=240, Unknown=0, NotChecked=0, Total=306 [2018-11-23 06:05:25,327 INFO L87 Difference]: Start difference. First operand 31006 states and 39337 transitions. Second operand 15 states. [2018-11-23 06:05:28,534 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 29 [2018-11-23 06:05:30,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:05:30,702 INFO L93 Difference]: Finished difference Result 65771 states and 83738 transitions. [2018-11-23 06:05:30,702 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-11-23 06:05:30,702 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 964 [2018-11-23 06:05:30,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:05:30,791 INFO L225 Difference]: With dead ends: 65771 [2018-11-23 06:05:30,791 INFO L226 Difference]: Without dead ends: 29226 [2018-11-23 06:05:30,940 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2012 GetRequests, 1956 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 923 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=730, Invalid=2576, Unknown=0, NotChecked=0, Total=3306 [2018-11-23 06:05:30,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29226 states. [2018-11-23 06:05:31,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29226 to 28297. [2018-11-23 06:05:31,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28297 states. [2018-11-23 06:05:31,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28297 states to 28297 states and 32362 transitions. [2018-11-23 06:05:31,453 INFO L78 Accepts]: Start accepts. Automaton has 28297 states and 32362 transitions. Word has length 964 [2018-11-23 06:05:31,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:05:31,453 INFO L480 AbstractCegarLoop]: Abstraction has 28297 states and 32362 transitions. [2018-11-23 06:05:31,453 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-23 06:05:31,453 INFO L276 IsEmpty]: Start isEmpty. Operand 28297 states and 32362 transitions. [2018-11-23 06:05:31,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 977 [2018-11-23 06:05:31,477 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:05:31,478 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:05:31,478 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:05:31,478 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:05:31,478 INFO L82 PathProgramCache]: Analyzing trace with hash 1399044912, now seen corresponding path program 1 times [2018-11-23 06:05:31,479 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:05:31,479 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:05:31,479 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:05:31,479 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:05:31,480 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:05:31,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:05:31,970 INFO L134 CoverageAnalysis]: Checked inductivity of 1760 backedges. 767 proven. 2 refuted. 0 times theorem prover too weak. 991 trivial. 0 not checked. [2018-11-23 06:05:31,970 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:05:31,971 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 06:05:31,971 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 977 with the following transitions: [2018-11-23 06:05:31,971 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [471], [473], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [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], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [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] [2018-11-23 06:05:31,974 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 06:05:31,974 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 06:05:32,461 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 06:05:32,461 INFO L272 AbstractInterpreter]: Visited 251 different actions 1005 times. Merged at 9 different actions 33 times. Never widened. Performed 11752 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11752 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 10 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-23 06:05:32,465 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:05:32,465 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 06:05:32,466 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:05:32,466 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ab0365a1-1272-43f4-b7ca-faa80181f3db/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 06:05:32,474 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:05:32,475 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 06:05:32,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:05:32,601 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:05:33,103 INFO L134 CoverageAnalysis]: Checked inductivity of 1760 backedges. 767 proven. 2 refuted. 0 times theorem prover too weak. 991 trivial. 0 not checked. [2018-11-23 06:05:33,104 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 06:05:33,464 INFO L134 CoverageAnalysis]: Checked inductivity of 1760 backedges. 767 proven. 2 refuted. 0 times theorem prover too weak. 991 trivial. 0 not checked. [2018-11-23 06:05:33,479 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 06:05:33,480 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 11 [2018-11-23 06:05:33,480 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 06:05:33,481 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 06:05:33,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 06:05:33,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-11-23 06:05:33,481 INFO L87 Difference]: Start difference. First operand 28297 states and 32362 transitions. Second operand 10 states. [2018-11-23 06:05:36,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:05:36,114 INFO L93 Difference]: Finished difference Result 61423 states and 71048 transitions. [2018-11-23 06:05:36,114 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-23 06:05:36,114 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 976 [2018-11-23 06:05:36,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:05:36,198 INFO L225 Difference]: With dead ends: 61423 [2018-11-23 06:05:36,198 INFO L226 Difference]: Without dead ends: 33808 [2018-11-23 06:05:36,307 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1983 GetRequests, 1959 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=139, Invalid=323, Unknown=0, NotChecked=0, Total=462 [2018-11-23 06:05:36,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33808 states. [2018-11-23 06:05:36,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33808 to 33482. [2018-11-23 06:05:36,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33482 states. [2018-11-23 06:05:36,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33482 states to 33482 states and 37558 transitions. [2018-11-23 06:05:36,750 INFO L78 Accepts]: Start accepts. Automaton has 33482 states and 37558 transitions. Word has length 976 [2018-11-23 06:05:36,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:05:36,752 INFO L480 AbstractCegarLoop]: Abstraction has 33482 states and 37558 transitions. [2018-11-23 06:05:36,752 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 06:05:36,752 INFO L276 IsEmpty]: Start isEmpty. Operand 33482 states and 37558 transitions. [2018-11-23 06:05:36,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 996 [2018-11-23 06:05:36,790 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:05:36,790 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:05:36,790 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:05:36,791 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:05:36,791 INFO L82 PathProgramCache]: Analyzing trace with hash -423808070, now seen corresponding path program 1 times [2018-11-23 06:05:36,791 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:05:36,792 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:05:36,792 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:05:36,792 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:05:36,792 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:05:36,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:05:37,411 INFO L134 CoverageAnalysis]: Checked inductivity of 2049 backedges. 756 proven. 142 refuted. 0 times theorem prover too weak. 1151 trivial. 0 not checked. [2018-11-23 06:05:37,412 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:05:37,412 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 06:05:37,412 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 996 with the following transitions: [2018-11-23 06:05:37,412 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [471], [473], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [676], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [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] [2018-11-23 06:05:37,415 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 06:05:37,416 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 06:05:37,837 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 06:05:37,837 INFO L272 AbstractInterpreter]: Visited 252 different actions 1015 times. Merged at 10 different actions 39 times. Never widened. Performed 11820 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11820 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 12 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-23 06:05:37,841 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:05:37,841 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 06:05:37,841 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:05:37,841 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ab0365a1-1272-43f4-b7ca-faa80181f3db/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 06:05:37,848 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:05:37,848 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 06:05:37,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:05:37,975 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:05:38,251 INFO L134 CoverageAnalysis]: Checked inductivity of 2049 backedges. 1323 proven. 2 refuted. 0 times theorem prover too weak. 724 trivial. 0 not checked. [2018-11-23 06:05:38,251 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 06:05:38,756 INFO L134 CoverageAnalysis]: Checked inductivity of 2049 backedges. 756 proven. 142 refuted. 0 times theorem prover too weak. 1151 trivial. 0 not checked. [2018-11-23 06:05:38,771 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 06:05:38,771 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-23 06:05:38,772 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 06:05:38,772 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 06:05:38,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 06:05:38,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-11-23 06:05:38,773 INFO L87 Difference]: Start difference. First operand 33482 states and 37558 transitions. Second operand 9 states. [2018-11-23 06:05:41,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:05:41,614 INFO L93 Difference]: Finished difference Result 73553 states and 85645 transitions. [2018-11-23 06:05:41,614 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-23 06:05:41,614 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 995 [2018-11-23 06:05:41,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:05:41,763 INFO L225 Difference]: With dead ends: 73553 [2018-11-23 06:05:41,763 INFO L226 Difference]: Without dead ends: 40753 [2018-11-23 06:05:41,882 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2013 GetRequests, 1994 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=113, Invalid=229, Unknown=0, NotChecked=0, Total=342 [2018-11-23 06:05:41,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40753 states. [2018-11-23 06:05:42,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40753 to 39132. [2018-11-23 06:05:42,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39132 states. [2018-11-23 06:05:42,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39132 states to 39132 states and 43325 transitions. [2018-11-23 06:05:42,467 INFO L78 Accepts]: Start accepts. Automaton has 39132 states and 43325 transitions. Word has length 995 [2018-11-23 06:05:42,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:05:42,467 INFO L480 AbstractCegarLoop]: Abstraction has 39132 states and 43325 transitions. [2018-11-23 06:05:42,467 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 06:05:42,468 INFO L276 IsEmpty]: Start isEmpty. Operand 39132 states and 43325 transitions. [2018-11-23 06:05:42,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1054 [2018-11-23 06:05:42,494 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:05:42,495 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:05:42,495 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:05:42,495 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:05:42,495 INFO L82 PathProgramCache]: Analyzing trace with hash -1738042410, now seen corresponding path program 1 times [2018-11-23 06:05:42,495 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:05:42,496 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:05:42,496 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:05:42,496 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:05:42,496 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:05:42,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:05:43,029 INFO L134 CoverageAnalysis]: Checked inductivity of 2271 backedges. 261 proven. 0 refuted. 0 times theorem prover too weak. 2010 trivial. 0 not checked. [2018-11-23 06:05:43,029 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:05:43,029 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 06:05:43,029 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:05:43,030 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 06:05:43,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 06:05:43,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 06:05:43,030 INFO L87 Difference]: Start difference. First operand 39132 states and 43325 transitions. Second operand 4 states. [2018-11-23 06:05:44,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:05:44,542 INFO L93 Difference]: Finished difference Result 73248 states and 80070 transitions. [2018-11-23 06:05:44,545 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 06:05:44,545 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1053 [2018-11-23 06:05:44,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:05:44,595 INFO L225 Difference]: With dead ends: 73248 [2018-11-23 06:05:44,595 INFO L226 Difference]: Without dead ends: 33865 [2018-11-23 06:05:44,672 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 06:05:44,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33865 states. [2018-11-23 06:05:44,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33865 to 33355. [2018-11-23 06:05:44,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33355 states. [2018-11-23 06:05:44,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33355 states to 33355 states and 35245 transitions. [2018-11-23 06:05:44,983 INFO L78 Accepts]: Start accepts. Automaton has 33355 states and 35245 transitions. Word has length 1053 [2018-11-23 06:05:44,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:05:44,984 INFO L480 AbstractCegarLoop]: Abstraction has 33355 states and 35245 transitions. [2018-11-23 06:05:44,984 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 06:05:44,984 INFO L276 IsEmpty]: Start isEmpty. Operand 33355 states and 35245 transitions. [2018-11-23 06:05:45,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1075 [2018-11-23 06:05:45,004 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:05:45,005 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2018-11-23 06:05:45,005 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:05:45,005 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:05:45,005 INFO L82 PathProgramCache]: Analyzing trace with hash 459646137, now seen corresponding path program 1 times [2018-11-23 06:05:45,005 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:05:45,006 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:05:45,006 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:05:45,006 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:05:45,006 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:05:45,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:05:45,684 INFO L134 CoverageAnalysis]: Checked inductivity of 2128 backedges. 976 proven. 583 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2018-11-23 06:05:45,684 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:05:45,685 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 06:05:45,685 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1075 with the following transitions: [2018-11-23 06:05:45,686 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [471], [473], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [676], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [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] [2018-11-23 06:05:45,689 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 06:05:45,689 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 06:05:46,230 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 06:05:46,230 INFO L272 AbstractInterpreter]: Visited 263 different actions 1054 times. Merged at 9 different actions 34 times. Never widened. Performed 12516 root evaluator evaluations with a maximum evaluation depth of 18. Performed 12516 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 12 fixpoints after 5 different actions. Largest state had 24 variables. [2018-11-23 06:05:46,233 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:05:46,233 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 06:05:46,233 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:05:46,233 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ab0365a1-1272-43f4-b7ca-faa80181f3db/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 06:05:46,239 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:05:46,240 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 06:05:46,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:05:46,360 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:05:46,857 INFO L134 CoverageAnalysis]: Checked inductivity of 2128 backedges. 261 proven. 0 refuted. 0 times theorem prover too weak. 1867 trivial. 0 not checked. [2018-11-23 06:05:46,858 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 06:05:47,159 INFO L134 CoverageAnalysis]: Checked inductivity of 2128 backedges. 261 proven. 0 refuted. 0 times theorem prover too weak. 1867 trivial. 0 not checked. [2018-11-23 06:05:47,175 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-23 06:05:47,175 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 9 [2018-11-23 06:05:47,175 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:05:47,176 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 06:05:47,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 06:05:47,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-11-23 06:05:47,176 INFO L87 Difference]: Start difference. First operand 33355 states and 35245 transitions. Second operand 3 states. [2018-11-23 06:05:47,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:05:47,928 INFO L93 Difference]: Finished difference Result 62606 states and 66232 transitions. [2018-11-23 06:05:47,928 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 06:05:47,928 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1074 [2018-11-23 06:05:47,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:05:47,982 INFO L225 Difference]: With dead ends: 62606 [2018-11-23 06:05:47,982 INFO L226 Difference]: Without dead ends: 32673 [2018-11-23 06:05:48,025 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2160 GetRequests, 2149 SyntacticMatches, 4 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-11-23 06:05:48,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32673 states. [2018-11-23 06:05:48,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32673 to 31784. [2018-11-23 06:05:48,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31784 states. [2018-11-23 06:05:48,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31784 states to 31784 states and 33211 transitions. [2018-11-23 06:05:48,317 INFO L78 Accepts]: Start accepts. Automaton has 31784 states and 33211 transitions. Word has length 1074 [2018-11-23 06:05:48,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:05:48,318 INFO L480 AbstractCegarLoop]: Abstraction has 31784 states and 33211 transitions. [2018-11-23 06:05:48,318 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 06:05:48,318 INFO L276 IsEmpty]: Start isEmpty. Operand 31784 states and 33211 transitions. [2018-11-23 06:05:48,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1472 [2018-11-23 06:05:48,351 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:05:48,352 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, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:05:48,352 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:05:48,353 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:05:48,354 INFO L82 PathProgramCache]: Analyzing trace with hash -2061493303, now seen corresponding path program 1 times [2018-11-23 06:05:48,354 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:05:48,355 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:05:48,355 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:05:48,355 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:05:48,355 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:05:48,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:05:49,320 INFO L134 CoverageAnalysis]: Checked inductivity of 3916 backedges. 305 proven. 0 refuted. 0 times theorem prover too weak. 3611 trivial. 0 not checked. [2018-11-23 06:05:49,320 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:05:49,320 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 06:05:49,320 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:05:49,321 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 06:05:49,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 06:05:49,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 06:05:49,321 INFO L87 Difference]: Start difference. First operand 31784 states and 33211 transitions. Second operand 4 states. [2018-11-23 06:05:50,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:05:50,737 INFO L93 Difference]: Finished difference Result 77729 states and 81828 transitions. [2018-11-23 06:05:50,738 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 06:05:50,738 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1471 [2018-11-23 06:05:50,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:05:50,805 INFO L225 Difference]: With dead ends: 77729 [2018-11-23 06:05:50,805 INFO L226 Difference]: Without dead ends: 46252 [2018-11-23 06:05:50,850 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 06:05:50,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46252 states. [2018-11-23 06:05:51,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46252 to 44167. [2018-11-23 06:05:51,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44167 states. [2018-11-23 06:05:51,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44167 states to 44167 states and 46081 transitions. [2018-11-23 06:05:51,267 INFO L78 Accepts]: Start accepts. Automaton has 44167 states and 46081 transitions. Word has length 1471 [2018-11-23 06:05:51,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:05:51,268 INFO L480 AbstractCegarLoop]: Abstraction has 44167 states and 46081 transitions. [2018-11-23 06:05:51,268 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 06:05:51,268 INFO L276 IsEmpty]: Start isEmpty. Operand 44167 states and 46081 transitions. [2018-11-23 06:05:51,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1687 [2018-11-23 06:05:51,323 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:05:51,323 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, 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, 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, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:05:51,324 INFO L423 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:05:51,324 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:05:51,324 INFO L82 PathProgramCache]: Analyzing trace with hash -1963474763, now seen corresponding path program 1 times [2018-11-23 06:05:51,324 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:05:51,325 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:05:51,325 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:05:51,325 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:05:51,325 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:05:51,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:05:53,492 INFO L134 CoverageAnalysis]: Checked inductivity of 5197 backedges. 1998 proven. 669 refuted. 0 times theorem prover too weak. 2530 trivial. 0 not checked. [2018-11-23 06:05:53,492 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:05:53,492 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 06:05:53,493 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1687 with the following transitions: [2018-11-23 06:05:53,493 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [471], [473], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1036], [1037], [1041], [1045], [1049], [1053], [1056], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1412], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 06:05:53,497 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 06:05:53,497 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 06:05:54,304 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 06:05:54,304 INFO L272 AbstractInterpreter]: Visited 288 different actions 1151 times. Merged at 10 different actions 31 times. Never widened. Performed 13824 root evaluator evaluations with a maximum evaluation depth of 22. Performed 13824 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 13 fixpoints after 6 different actions. Largest state had 24 variables. [2018-11-23 06:05:54,305 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:05:54,305 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 06:05:54,305 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:05:54,305 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ab0365a1-1272-43f4-b7ca-faa80181f3db/bin-2019/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 06:05:54,312 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:05:54,312 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 06:05:54,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:05:54,514 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:05:55,697 INFO L134 CoverageAnalysis]: Checked inductivity of 5197 backedges. 3593 proven. 2 refuted. 0 times theorem prover too weak. 1602 trivial. 0 not checked. [2018-11-23 06:05:55,698 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 06:05:58,112 INFO L134 CoverageAnalysis]: Checked inductivity of 5197 backedges. 1169 proven. 575 refuted. 0 times theorem prover too weak. 3453 trivial. 0 not checked. [2018-11-23 06:05:58,127 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 06:05:58,128 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 5, 5] total 19 [2018-11-23 06:05:58,128 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 06:05:58,129 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-23 06:05:58,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-23 06:05:58,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-11-23 06:05:58,130 INFO L87 Difference]: Start difference. First operand 44167 states and 46081 transitions. Second operand 17 states. [2018-11-23 06:06:04,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:06:04,742 INFO L93 Difference]: Finished difference Result 88386 states and 94300 transitions. [2018-11-23 06:06:04,742 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-11-23 06:06:04,742 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 1686 [2018-11-23 06:06:04,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:06:04,744 INFO L225 Difference]: With dead ends: 88386 [2018-11-23 06:06:04,744 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 06:06:04,848 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3461 GetRequests, 3402 SyntacticMatches, 5 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 831 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=568, Invalid=2512, Unknown=0, NotChecked=0, Total=3080 [2018-11-23 06:06:04,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 06:06:04,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 06:06:04,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 06:06:04,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 06:06:04,849 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1686 [2018-11-23 06:06:04,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:06:04,849 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 06:06:04,849 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-23 06:06:04,849 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 06:06:04,849 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 06:06:04,852 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 06:06:04,903 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:04,927 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:04,930 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:04,939 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:04,943 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:04,944 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:04,959 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:04,970 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:04,981 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:04,982 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:04,995 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:04,999 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:05,005 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:05,119 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:05,144 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:05,145 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:05,160 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:05,188 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:05,188 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:05,217 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:05,217 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:05,269 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:05,352 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:05,366 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:05,367 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:05,380 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:05,395 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:05,608 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:05,834 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:06,367 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:07,008 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:07,060 WARN L180 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 740 DAG size of output: 633 [2018-11-23 06:06:07,147 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:07,150 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:07,238 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:07,299 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:07,304 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:07,306 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:07,308 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:07,562 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:07,616 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:07,623 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:07,654 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:07,654 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:07,656 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:07,659 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:07,738 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:07,988 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:08,092 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:08,124 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:08,227 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:08,228 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:08,229 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:08,230 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:08,235 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:08,237 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:08,237 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:08,238 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:08,265 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:08,266 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:08,271 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:08,278 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:08,283 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:08,284 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:08,295 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:08,297 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:08,302 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:08,312 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:08,313 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:08,376 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:08,378 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:08,379 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:08,379 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:08,408 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:08,409 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:08,453 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:08,454 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:08,459 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:08,465 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:08,471 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:08,594 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:08,595 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:08,596 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:08,597 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:08,600 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:08,614 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:08,621 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:08,639 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:08,642 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:08,648 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:08,660 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:08,682 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:08,698 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:08,728 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:08,762 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:08,763 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:08,774 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:08,783 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:08,783 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:08,799 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:08,799 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:08,804 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:08,809 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:08,809 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:08,832 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:08,861 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:08,899 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:08,922 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:08,923 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:08,931 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:08,940 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:08,995 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:09,158 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:09,412 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:09,976 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:10,551 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:06:10,633 WARN L180 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 792 DAG size of output: 681 [2018-11-23 06:06:13,713 WARN L180 SmtUtils]: Spent 3.05 s on a formula simplification. DAG size of input: 604 DAG size of output: 86 [2018-11-23 06:06:15,610 WARN L180 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 516 DAG size of output: 87 [2018-11-23 06:06:16,949 WARN L180 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 423 DAG size of output: 86 [2018-11-23 06:06:19,009 WARN L180 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 460 DAG size of output: 102 [2018-11-23 06:06:22,256 WARN L180 SmtUtils]: Spent 3.24 s on a formula simplification. DAG size of input: 650 DAG size of output: 82 [2018-11-23 06:06:22,258 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 06:06:22,259 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)) [2018-11-23 06:06:22,259 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 06:06:22,259 INFO L448 ceAbstractionStarter]: For program point L1497(lines 1497 1763) no Hoare annotation was computed. [2018-11-23 06:06:22,259 INFO L448 ceAbstractionStarter]: For program point calculate_output2EXIT(lines 1494 1765) no Hoare annotation was computed. [2018-11-23 06:06:22,259 INFO L448 ceAbstractionStarter]: For program point L1687(lines 1687 1763) no Hoare annotation was computed. [2018-11-23 06:06:22,259 INFO L448 ceAbstractionStarter]: For program point L1704(lines 1704 1763) no Hoare annotation was computed. [2018-11-23 06:06:22,259 INFO L448 ceAbstractionStarter]: For program point L1638(lines 1638 1763) no Hoare annotation was computed. [2018-11-23 06:06:22,259 INFO L448 ceAbstractionStarter]: For program point L1663(lines 1663 1763) no Hoare annotation was computed. [2018-11-23 06:06:22,259 INFO L448 ceAbstractionStarter]: For program point L1597(lines 1597 1763) no Hoare annotation was computed. [2018-11-23 06:06:22,259 INFO L448 ceAbstractionStarter]: For program point L1721(lines 1721 1763) no Hoare annotation was computed. [2018-11-23 06:06:22,259 INFO L448 ceAbstractionStarter]: For program point L1622(lines 1622 1763) no Hoare annotation was computed. [2018-11-23 06:06:22,259 INFO L448 ceAbstractionStarter]: For program point L1746(lines 1746 1763) no Hoare annotation was computed. [2018-11-23 06:06:22,259 INFO L448 ceAbstractionStarter]: For program point L1515(lines 1515 1763) no Hoare annotation was computed. [2018-11-23 06:06:22,259 INFO L448 ceAbstractionStarter]: For program point L1573(lines 1573 1763) no Hoare annotation was computed. [2018-11-23 06:06:22,259 INFO L448 ceAbstractionStarter]: For program point L1540(lines 1540 1763) no Hoare annotation was computed. [2018-11-23 06:06:22,259 INFO L448 ceAbstractionStarter]: For program point L1656(lines 1656 1763) no Hoare annotation was computed. [2018-11-23 06:06:22,260 INFO L448 ceAbstractionStarter]: For program point L1739(lines 1739 1763) no Hoare annotation was computed. [2018-11-23 06:06:22,260 INFO L448 ceAbstractionStarter]: For program point L1566(lines 1566 1763) no Hoare annotation was computed. [2018-11-23 06:06:22,260 INFO L448 ceAbstractionStarter]: For program point L1591(lines 1591 1763) no Hoare annotation was computed. [2018-11-23 06:06:22,260 INFO L448 ceAbstractionStarter]: For program point L1715(lines 1715 1763) no Hoare annotation was computed. [2018-11-23 06:06:22,260 INFO L448 ceAbstractionStarter]: For program point L1682(lines 1682 1763) no Hoare annotation was computed. [2018-11-23 06:06:22,260 INFO L448 ceAbstractionStarter]: For program point L1616(lines 1616 1763) no Hoare annotation was computed. [2018-11-23 06:06:22,260 INFO L448 ceAbstractionStarter]: For program point L1699(lines 1699 1763) no Hoare annotation was computed. [2018-11-23 06:06:22,260 INFO L448 ceAbstractionStarter]: For program point L1633(lines 1633 1763) no Hoare annotation was computed. [2018-11-23 06:06:22,260 INFO L448 ceAbstractionStarter]: For program point L1534(lines 1534 1763) no Hoare annotation was computed. [2018-11-23 06:06:22,260 INFO L448 ceAbstractionStarter]: For program point L1757(lines 1757 1763) no Hoare annotation was computed. [2018-11-23 06:06:22,260 INFO L448 ceAbstractionStarter]: For program point L1559(lines 1559 1763) no Hoare annotation was computed. [2018-11-23 06:06:22,260 INFO L448 ceAbstractionStarter]: For program point L1675(lines 1675 1763) no Hoare annotation was computed. [2018-11-23 06:06:22,260 INFO L448 ceAbstractionStarter]: For program point L1609(lines 1609 1763) no Hoare annotation was computed. [2018-11-23 06:06:22,260 INFO L448 ceAbstractionStarter]: For program point L1510(lines 1510 1763) no Hoare annotation was computed. [2018-11-23 06:06:22,260 INFO L448 ceAbstractionStarter]: For program point L1733(lines 1733 1763) no Hoare annotation was computed. [2018-11-23 06:06:22,261 INFO L444 ceAbstractionStarter]: At program point calculate_output2ENTRY(lines 1494 1765) the Hoare annotation is: (let ((.cse14 (= |old(~a15~0)| ~a15~0)) (.cse15 (= ~a16~0 |old(~a16~0)|)) (.cse16 (= ~a18~0 |old(~a18~0)|)) (.cse17 (= |old(~a12~0)| ~a12~0)) (.cse2 (= 7 |old(~a12~0)|)) (.cse3 (= 8 |old(~a16~0)|))) (let ((.cse19 (not (= 5 |old(~a12~0)|))) (.cse5 (= 4 |old(~a15~0)|)) (.cse11 (< 8 |old(~a16~0)|)) (.cse18 (not (= 8 |old(~a12~0)|))) (.cse13 (not .cse3)) (.cse10 (< 0 (+ |old(~a18~0)| 87))) (.cse4 (< 7 |old(~a12~0)|)) (.cse20 (not .cse2)) (.cse8 (not (= 3 |old(~a15~0)|))) (.cse6 (<= (+ |old(~a18~0)| 79) 0)) (.cse1 (= 12 |old(~a16~0)|)) (.cse0 (and .cse14 .cse15 .cse16 .cse17)) (.cse7 (= 10 |old(~a16~0)|)) (.cse9 (not (= 9 |old(~a12~0)|))) (.cse12 (< |old(~a15~0)| 4))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse7 .cse4) (or .cse8 .cse0 .cse7 (< 0 (+ |old(~a18~0)| 156)) .cse9) (or .cse0 .cse10 .cse11 .cse9 .cse12) (or .cse13 (or .cse6 .cse4) (and (and .cse14 .cse15 .cse16) .cse17)) (or .cse1 .cse0 .cse18 .cse7 .cse3) (or .cse8 .cse19 .cse0) (or .cse0 .cse18 .cse10 .cse11) (or (< |old(~a18~0)| 135) .cse0 (or .cse11 .cse9)) (or .cse13 .cse19 .cse0) (or .cse0 .cse5 .cse20 .cse7) (or .cse5 .cse0 .cse11 .cse4) (or .cse0 .cse5 .cse18) (or .cse1 .cse0 .cse20 .cse7 .cse10) (or .cse0 .cse6 .cse11 .cse9 .cse12) (or .cse13 .cse0 .cse18 .cse6) (or .cse13 .cse0 .cse10 .cse4) (or (or .cse1 .cse20 .cse6 .cse7) (and (and .cse14 .cse16) (= |old(~a16~0)| ~a16~0) .cse17)) (or .cse8 .cse6 .cse7 .cse3 .cse9 .cse0) (or .cse1 .cse0 .cse7 .cse3 .cse9 .cse12)))) [2018-11-23 06:06:22,261 INFO L448 ceAbstractionStarter]: For program point L1527(lines 1527 1763) no Hoare annotation was computed. [2018-11-23 06:06:22,261 INFO L448 ceAbstractionStarter]: For program point L1651(lines 1651 1763) no Hoare annotation was computed. [2018-11-23 06:06:22,261 INFO L448 ceAbstractionStarter]: For program point L1585(lines 1585 1763) no Hoare annotation was computed. [2018-11-23 06:06:22,261 INFO L448 ceAbstractionStarter]: For program point L1709(lines 1709 1763) no Hoare annotation was computed. [2018-11-23 06:06:22,261 INFO L448 ceAbstractionStarter]: For program point L1503(lines 1503 1763) no Hoare annotation was computed. [2018-11-23 06:06:22,261 INFO L448 ceAbstractionStarter]: For program point L1693(lines 1693 1763) no Hoare annotation was computed. [2018-11-23 06:06:22,261 INFO L448 ceAbstractionStarter]: For program point L1553(lines 1553 1763) no Hoare annotation was computed. [2018-11-23 06:06:22,261 INFO L448 ceAbstractionStarter]: For program point calculate_output2FINAL(lines 1494 1765) no Hoare annotation was computed. [2018-11-23 06:06:22,261 INFO L448 ceAbstractionStarter]: For program point L1669(lines 1669 1763) no Hoare annotation was computed. [2018-11-23 06:06:22,261 INFO L448 ceAbstractionStarter]: For program point L1603(lines 1603 1763) no Hoare annotation was computed. [2018-11-23 06:06:22,262 INFO L448 ceAbstractionStarter]: For program point L1727(lines 1727 1763) no Hoare annotation was computed. [2018-11-23 06:06:22,262 INFO L448 ceAbstractionStarter]: For program point L1628(lines 1628 1763) no Hoare annotation was computed. [2018-11-23 06:06:22,262 INFO L448 ceAbstractionStarter]: For program point L1752(lines 1752 1763) no Hoare annotation was computed. [2018-11-23 06:06:22,262 INFO L448 ceAbstractionStarter]: For program point L1521(lines 1521 1763) no Hoare annotation was computed. [2018-11-23 06:06:22,262 INFO L448 ceAbstractionStarter]: For program point L1645(lines 1645 1763) no Hoare annotation was computed. [2018-11-23 06:06:22,262 INFO L448 ceAbstractionStarter]: For program point L1579(lines 1579 1763) no Hoare annotation was computed. [2018-11-23 06:06:22,262 INFO L448 ceAbstractionStarter]: For program point L1546(lines 1546 1763) no Hoare annotation was computed. [2018-11-23 06:06:22,262 INFO L448 ceAbstractionStarter]: For program point L894(lines 894 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,262 INFO L448 ceAbstractionStarter]: For program point L828(lines 828 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,262 INFO L448 ceAbstractionStarter]: For program point L696(lines 696 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,262 INFO L448 ceAbstractionStarter]: For program point L1291(lines 1291 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,262 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:06:22,262 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:06:22,262 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:06:22,262 INFO L448 ceAbstractionStarter]: For program point L961(lines 961 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,263 INFO L448 ceAbstractionStarter]: For program point L763(lines 763 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,263 INFO L448 ceAbstractionStarter]: For program point L631(lines 631 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,263 INFO L448 ceAbstractionStarter]: For program point L367(lines 367 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,263 INFO L448 ceAbstractionStarter]: For program point L1358(lines 1358 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,263 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,263 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-23 06:06:22,263 INFO L448 ceAbstractionStarter]: For program point L1160(lines 1160 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,263 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-23 06:06:22,263 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-23 06:06:22,263 INFO L444 ceAbstractionStarter]: At program point L1491(line 1491) the Hoare annotation is: (let ((.cse18 (= ~a16~0 |old(~a16~0)|)) (.cse16 (= |old(~a15~0)| ~a15~0)) (.cse19 (= ~a18~0 |old(~a18~0)|)) (.cse20 (= |old(~a12~0)| ~a12~0)) (.cse3 (= 8 |old(~a16~0)|)) (.cse2 (= 7 |old(~a12~0)|)) (.cse23 (+ |old(~a18~0)| 87))) (let ((.cse15 (not (= 5 |old(~a12~0)|))) (.cse11 (< 8 |old(~a16~0)|)) (.cse8 (= 4 |old(~a15~0)|)) (.cse21 (= |calculate_output_#in~input| 0)) (.cse14 (not (= 3 |old(~a15~0)|))) (.cse17 (not (= calculate_output_~input 0))) (.cse6 (not (= 8 |old(~a12~0)|))) (.cse10 (< 0 .cse23)) (.cse22 (not .cse2)) (.cse5 (not .cse3)) (.cse7 (<= (+ |old(~a18~0)| 79) 0)) (.cse4 (< 7 |old(~a12~0)|)) (.cse24 (and (and .cse16 .cse19) (= |old(~a16~0)| ~a16~0) .cse20)) (.cse1 (= 12 |old(~a16~0)|)) (.cse0 (and .cse16 .cse18 .cse19 .cse20)) (.cse9 (= 10 |old(~a16~0)|)) (.cse12 (not (= 9 |old(~a12~0)|))) (.cse13 (< |old(~a15~0)| 4))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse0 .cse7) (or .cse0 .cse8 .cse7 .cse9 .cse4) (or .cse0 .cse10 .cse11 .cse12 .cse13) (or .cse14 .cse0 .cse9 (and .cse7 (< 0 (+ |old(~a18~0)| 156))) .cse12) (or .cse1 .cse0 .cse6 .cse9 .cse3) (or .cse5 .cse15 .cse0) (or .cse0 .cse7 .cse11 .cse12) (or .cse14 .cse15 (and .cse16 .cse17 .cse18 .cse19 .cse20) (= 0 |old(~a16~0)|) .cse21) (or .cse0 .cse8 .cse22 .cse9) (or .cse8 .cse0 .cse11 .cse4) (or .cse0 .cse8 (< (+ |old(~a18~0)| 78) 0) .cse11) (or .cse1 .cse0 .cse22 .cse9 .cse10) (or .cse0 .cse8 .cse6) (or .cse5 .cse4 .cse0 .cse10) (or .cse21 (or .cse14 (not (= 6 |old(~a12~0)|)) (not (= 11 |old(~a16~0)|))) (not (= .cse23 0)) .cse17) (or .cse5 .cse0 .cse6 .cse10) (or (or .cse1 .cse22 .cse7 .cse9) .cse24) (or .cse5 (or .cse7 .cse4) .cse24) (or .cse1 .cse0 .cse9 .cse3 .cse12 .cse13)))) [2018-11-23 06:06:22,263 INFO L448 ceAbstractionStarter]: For program point L434(lines 434 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,264 INFO L448 ceAbstractionStarter]: For program point L1491-1(line 1491) no Hoare annotation was computed. [2018-11-23 06:06:22,264 INFO L448 ceAbstractionStarter]: For program point L1227(lines 1227 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,264 INFO L448 ceAbstractionStarter]: For program point L567(lines 567 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,264 INFO L448 ceAbstractionStarter]: For program point L501(lines 501 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,264 INFO L448 ceAbstractionStarter]: For program point L303(lines 303 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,264 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:06:22,264 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:06:22,264 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:06:22,264 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-23 06:06:22,264 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-23 06:06:22,264 INFO L448 ceAbstractionStarter]: For program point L1097(lines 1097 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,264 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-23 06:06:22,264 INFO L448 ceAbstractionStarter]: For program point L1031(lines 1031 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,264 INFO L448 ceAbstractionStarter]: For program point L899(lines 899 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,264 INFO L448 ceAbstractionStarter]: For program point L1428(lines 1428 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,265 INFO L448 ceAbstractionStarter]: For program point L834(lines 834 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,265 INFO L448 ceAbstractionStarter]: For program point L636(lines 636 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,265 INFO L448 ceAbstractionStarter]: For program point L1297(lines 1297 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,265 INFO L448 ceAbstractionStarter]: For program point L240(lines 240 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,265 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:06:22,265 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:06:22,265 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:06:22,265 INFO L448 ceAbstractionStarter]: For program point L967(lines 967 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,265 INFO L448 ceAbstractionStarter]: For program point L769(lines 769 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,265 INFO L448 ceAbstractionStarter]: For program point L703(lines 703 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,265 INFO L448 ceAbstractionStarter]: For program point L373(lines 373 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,265 INFO L448 ceAbstractionStarter]: For program point L1364(lines 1364 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,265 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-23 06:06:22,265 INFO L448 ceAbstractionStarter]: For program point L1166(lines 1166 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,266 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-23 06:06:22,266 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-23 06:06:22,266 INFO L448 ceAbstractionStarter]: For program point L440(lines 440 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,266 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,266 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,266 INFO L448 ceAbstractionStarter]: For program point L1234(lines 1234 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,266 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:06:22,266 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:06:22,266 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:06:22,266 INFO L448 ceAbstractionStarter]: For program point L1036(lines 1036 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,266 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,266 INFO L448 ceAbstractionStarter]: For program point L508(lines 508 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,266 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-23 06:06:22,266 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-23 06:06:22,266 INFO L448 ceAbstractionStarter]: For program point L1103(lines 1103 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,267 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-23 06:06:22,267 INFO L448 ceAbstractionStarter]: For program point L905(lines 905 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,267 INFO L448 ceAbstractionStarter]: For program point L641(lines 641 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,267 INFO L448 ceAbstractionStarter]: For program point L443(lines 443 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,267 INFO L448 ceAbstractionStarter]: For program point L1434(lines 1434 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,267 INFO L448 ceAbstractionStarter]: For program point L840(lines 840 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,267 INFO L448 ceAbstractionStarter]: For program point L1303(lines 1303 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,267 INFO L448 ceAbstractionStarter]: For program point L246(lines 246 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,267 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:06:22,267 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:06:22,267 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:06:22,267 INFO L448 ceAbstractionStarter]: For program point L775(lines 775 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,267 INFO L448 ceAbstractionStarter]: For program point L1370(lines 1370 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,267 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-23 06:06:22,267 INFO L448 ceAbstractionStarter]: For program point L1172(lines 1172 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,268 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-23 06:06:22,268 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-23 06:06:22,268 INFO L448 ceAbstractionStarter]: For program point L974(lines 974 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,268 INFO L448 ceAbstractionStarter]: For program point L578(lines 578 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,268 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,268 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,268 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:06:22,268 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:06:22,268 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:06:22,268 INFO L448 ceAbstractionStarter]: For program point L1042(lines 1042 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,268 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:06:22,268 INFO L448 ceAbstractionStarter]: For program point L778(lines 778 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,268 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,268 INFO L448 ceAbstractionStarter]: For program point L1241(lines 1241 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,268 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-23 06:06:22,269 INFO L448 ceAbstractionStarter]: For program point L1175(lines 1175 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,269 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-23 06:06:22,269 INFO L448 ceAbstractionStarter]: For program point L1109(lines 1109 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,269 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-23 06:06:22,269 INFO L448 ceAbstractionStarter]: For program point L515(lines 515 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,269 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,269 INFO L448 ceAbstractionStarter]: For program point L1440(lines 1440 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,269 INFO L448 ceAbstractionStarter]: For program point L912(lines 912 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,269 INFO L448 ceAbstractionStarter]: For program point L846(lines 846 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,269 INFO L448 ceAbstractionStarter]: For program point L648(lines 648 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,269 INFO L448 ceAbstractionStarter]: For program point L1375(lines 1375 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,269 INFO L448 ceAbstractionStarter]: For program point L1309(lines 1309 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,269 INFO L448 ceAbstractionStarter]: For program point L252(lines 252 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,269 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:06:22,269 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:06:22,270 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:06:22,270 INFO L448 ceAbstractionStarter]: For program point L979(lines 979 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,270 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-23 06:06:22,270 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-23 06:06:22,270 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-23 06:06:22,270 INFO L448 ceAbstractionStarter]: For program point L584(lines 584 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,270 INFO L448 ceAbstractionStarter]: For program point L386(lines 386 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,270 INFO L448 ceAbstractionStarter]: For program point L717(lines 717 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,270 INFO L448 ceAbstractionStarter]: For program point L321(lines 321 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,270 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:06:22,270 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:06:22,270 INFO L448 ceAbstractionStarter]: For program point L1114(lines 1114 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,270 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:06:22,270 INFO L448 ceAbstractionStarter]: For program point L1048(lines 1048 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,270 INFO L448 ceAbstractionStarter]: For program point L784(lines 784 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,270 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,271 INFO L448 ceAbstractionStarter]: For program point L1247(lines 1247 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,271 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-23 06:06:22,271 INFO L448 ceAbstractionStarter]: For program point L1181(lines 1181 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,271 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-23 06:06:22,271 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-23 06:06:22,271 INFO L448 ceAbstractionStarter]: For program point L917(lines 917 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,271 INFO L448 ceAbstractionStarter]: For program point L851(lines 851 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,271 INFO L448 ceAbstractionStarter]: For program point L521(lines 521 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,271 INFO L448 ceAbstractionStarter]: For program point L1446(lines 1446 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,271 INFO L448 ceAbstractionStarter]: For program point L1314(lines 1314 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,271 INFO L448 ceAbstractionStarter]: For program point L257(lines 257 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,272 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 23 1492) the Hoare annotation is: (let ((.cse14 (= 8 |old(~a16~0)|)) (.cse18 (= |old(~a15~0)| ~a15~0)) (.cse19 (= ~a16~0 |old(~a16~0)|)) (.cse20 (= ~a18~0 |old(~a18~0)|)) (.cse21 (= |old(~a12~0)| ~a12~0)) (.cse15 (= 7 |old(~a12~0)|))) (let ((.cse7 (< 8 |old(~a16~0)|)) (.cse5 (not .cse15)) (.cse12 (and (and .cse18 .cse19 .cse20) .cse21)) (.cse2 (<= (+ |old(~a18~0)| 79) 0)) (.cse17 (not (= 3 |old(~a15~0)|))) (.cse16 (not (= 5 |old(~a12~0)|))) (.cse1 (= 4 |old(~a15~0)|)) (.cse13 (not (= 8 |old(~a12~0)|))) (.cse11 (not .cse14)) (.cse6 (< 0 (+ |old(~a18~0)| 87))) (.cse4 (< 7 |old(~a12~0)|)) (.cse10 (= 12 |old(~a16~0)|)) (.cse0 (and .cse18 .cse19 .cse20 .cse21)) (.cse3 (= 10 |old(~a16~0)|)) (.cse8 (not (= 9 |old(~a12~0)|))) (.cse9 (< |old(~a15~0)| 4))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse3 .cse0) (or .cse0 .cse6 .cse7 .cse8 .cse9) (or .cse2 .cse7 .cse0 .cse8) (or .cse10 .cse5 .cse3 .cse6 .cse0) (or .cse11 (or .cse2 .cse4) .cse12) (or .cse10 .cse0 .cse13 .cse3 .cse14) (or .cse10 .cse0 .cse15 .cse14 .cse4) (or .cse1 .cse13 .cse0) (or .cse11 .cse16 .cse0) (or .cse0 .cse17 .cse3 (and .cse2 (< 0 (+ |old(~a18~0)| 156))) .cse8) (or .cse0 .cse1 (< (+ |old(~a18~0)| 78) 0) .cse7) (or (or .cse10 .cse5 .cse2 .cse3) .cse12) (or .cse11 .cse0 .cse13 .cse2) (or .cse17 .cse16 .cse0 (= |calculate_output_#in~input| 0)) (or .cse10 .cse15 .cse1 .cse0 .cse4) (or .cse11 .cse0 .cse13 .cse6) (or .cse11 .cse0 .cse6 .cse4) (or .cse10 .cse0 .cse3 .cse14 .cse8 .cse9)))) [2018-11-23 06:06:22,272 INFO L448 ceAbstractionStarter]: For program point L1381(lines 1381 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,272 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:06:22,272 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:06:22,272 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:06:22,272 INFO L448 ceAbstractionStarter]: For program point L655(lines 655 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,272 INFO L448 ceAbstractionStarter]: For program point L589(lines 589 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,272 INFO L448 ceAbstractionStarter]: For program point L457(lines 457 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,272 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,272 INFO L448 ceAbstractionStarter]: For program point L1250(lines 1250 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,272 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-23 06:06:22,272 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-23 06:06:22,272 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-23 06:06:22,272 INFO L448 ceAbstractionStarter]: For program point L986(lines 986 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,272 INFO L448 ceAbstractionStarter]: For program point L1449(lines 1449 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,273 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,273 INFO L448 ceAbstractionStarter]: For program point L723(lines 723 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,273 INFO L448 ceAbstractionStarter]: For program point L327(lines 327 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,273 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:06:22,273 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:06:22,273 INFO L448 ceAbstractionStarter]: For program point L1120(lines 1120 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,273 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:06:22,273 INFO L448 ceAbstractionStarter]: For program point L922(lines 922 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,273 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,273 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-23 06:06:22,273 INFO L448 ceAbstractionStarter]: For program point L1187(lines 1187 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,273 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-23 06:06:22,273 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-23 06:06:22,273 INFO L448 ceAbstractionStarter]: For program point L1055(lines 1055 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,273 INFO L448 ceAbstractionStarter]: For program point L857(lines 857 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,274 INFO L448 ceAbstractionStarter]: For program point L527(lines 527 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,274 INFO L448 ceAbstractionStarter]: For program point L1386(lines 1386 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,274 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 133) no Hoare annotation was computed. [2018-11-23 06:06:22,274 INFO L448 ceAbstractionStarter]: For program point L594(lines 594 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,274 INFO L448 ceAbstractionStarter]: For program point L1321(lines 1321 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,274 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:06:22,274 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:06:22,274 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:06:22,274 INFO L448 ceAbstractionStarter]: For program point L661(lines 661 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,274 INFO L448 ceAbstractionStarter]: For program point L463(lines 463 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,274 INFO L448 ceAbstractionStarter]: For program point L1256(lines 1256 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,274 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-23 06:06:22,274 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-23 06:06:22,274 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-23 06:06:22,275 INFO L448 ceAbstractionStarter]: For program point L728(lines 728 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,275 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,275 INFO L448 ceAbstractionStarter]: For program point L1125(lines 1125 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,275 INFO L448 ceAbstractionStarter]: For program point L993(lines 993 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,275 INFO L448 ceAbstractionStarter]: For program point L1456(lines 1456 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,275 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,275 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:06:22,275 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:06:22,275 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:06:22,275 INFO L448 ceAbstractionStarter]: For program point L796(lines 796 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,275 INFO L448 ceAbstractionStarter]: For program point L664(lines 664 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,275 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,275 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-23 06:06:22,275 INFO L448 ceAbstractionStarter]: For program point L1193(lines 1193 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,275 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-23 06:06:22,276 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-23 06:06:22,276 INFO L448 ceAbstractionStarter]: For program point L1061(lines 1061 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,276 INFO L448 ceAbstractionStarter]: For program point L929(lines 929 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,276 INFO L448 ceAbstractionStarter]: For program point L863(lines 863 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,276 INFO L448 ceAbstractionStarter]: For program point L533(lines 533 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,276 INFO L448 ceAbstractionStarter]: For program point L1392(lines 1392 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,276 INFO L448 ceAbstractionStarter]: For program point L600(lines 600 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,276 INFO L448 ceAbstractionStarter]: For program point L1327(lines 1327 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,276 INFO L448 ceAbstractionStarter]: For program point L204-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:06:22,276 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:06:22,276 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:06:22,276 INFO L448 ceAbstractionStarter]: For program point L469(lines 469 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,276 INFO L448 ceAbstractionStarter]: For program point L1262(lines 1262 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,276 INFO L448 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2018-11-23 06:06:22,276 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-23 06:06:22,277 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-23 06:06:22,277 INFO L448 ceAbstractionStarter]: For program point L734(lines 734 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,277 INFO L448 ceAbstractionStarter]: For program point L1461(lines 1461 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,277 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,277 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,277 INFO L448 ceAbstractionStarter]: For program point L1131(lines 1131 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,277 INFO L448 ceAbstractionStarter]: For program point L999(lines 999 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,277 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:06:22,277 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:06:22,277 INFO L448 ceAbstractionStarter]: For program point L802(lines 802 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,277 INFO L448 ceAbstractionStarter]: For program point L670(lines 670 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,277 INFO L448 ceAbstractionStarter]: For program point L538(lines 538 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,277 INFO L448 ceAbstractionStarter]: For program point L1397(lines 1397 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,277 INFO L448 ceAbstractionStarter]: For program point L274(lines 274 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,278 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-23 06:06:22,278 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-23 06:06:22,278 INFO L448 ceAbstractionStarter]: For program point L1067(lines 1067 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,278 INFO L448 ceAbstractionStarter]: For program point L935(lines 935 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,278 INFO L448 ceAbstractionStarter]: For program point L869(lines 869 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,278 INFO L448 ceAbstractionStarter]: For program point L1200(lines 1200 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,278 INFO L448 ceAbstractionStarter]: For program point L606(lines 606 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,278 INFO L448 ceAbstractionStarter]: For program point L1267(lines 1267 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,278 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:06:22,278 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:06:22,278 INFO L448 ceAbstractionStarter]: For program point L1466(lines 1466 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,278 INFO L448 ceAbstractionStarter]: For program point L1334(lines 1334 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,278 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-23 06:06:22,278 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-23 06:06:22,278 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,279 INFO L448 ceAbstractionStarter]: For program point L1137(lines 1137 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,279 INFO L448 ceAbstractionStarter]: For program point L1005(lines 1005 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,279 INFO L448 ceAbstractionStarter]: For program point L741(lines 741 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,279 INFO L448 ceAbstractionStarter]: For program point L543(lines 543 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,279 INFO L448 ceAbstractionStarter]: For program point L411(lines 411 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,279 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,279 INFO L448 ceAbstractionStarter]: For program point L279(lines 279 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,279 INFO L448 ceAbstractionStarter]: For program point L213(lines 213 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,279 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:06:22,279 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:06:22,279 INFO L448 ceAbstractionStarter]: For program point L808(lines 808 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,279 INFO L448 ceAbstractionStarter]: For program point L1403(lines 1403 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,279 INFO L448 ceAbstractionStarter]: For program point L1205(lines 1205 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,279 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-23 06:06:22,279 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-23 06:06:22,279 INFO L448 ceAbstractionStarter]: For program point L1073(lines 1073 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,279 INFO L448 ceAbstractionStarter]: For program point L875(lines 875 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,280 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,280 INFO L448 ceAbstractionStarter]: For program point L942(lines 942 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,280 INFO L448 ceAbstractionStarter]: For program point L612(lines 612 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,280 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:06:22,280 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:06:22,280 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:06:22,280 INFO L448 ceAbstractionStarter]: For program point L1472(lines 1472 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,280 INFO L448 ceAbstractionStarter]: For program point L1274(lines 1274 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,280 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-23 06:06:22,280 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-23 06:06:22,280 INFO L448 ceAbstractionStarter]: For program point L746(lines 746 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,280 INFO L448 ceAbstractionStarter]: For program point L680(lines 680 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,280 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,280 INFO L448 ceAbstractionStarter]: For program point L350(lines 350 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,280 INFO L448 ceAbstractionStarter]: For program point L1341(lines 1341 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,280 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,280 INFO L448 ceAbstractionStarter]: For program point L1143(lines 1143 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,281 INFO L448 ceAbstractionStarter]: For program point L1011(lines 1011 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,281 INFO L448 ceAbstractionStarter]: For program point L483(lines 483 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,281 INFO L448 ceAbstractionStarter]: For program point L417(lines 417 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,281 INFO L448 ceAbstractionStarter]: For program point L285(lines 285 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,281 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:06:22,281 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:06:22,281 INFO L448 ceAbstractionStarter]: For program point L1409(lines 1409 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,281 INFO L448 ceAbstractionStarter]: For program point L1211(lines 1211 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,281 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-23 06:06:22,281 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-23 06:06:22,281 INFO L448 ceAbstractionStarter]: For program point L1079(lines 1079 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,281 INFO L448 ceAbstractionStarter]: For program point L815(lines 815 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,281 INFO L448 ceAbstractionStarter]: For program point L948(lines 948 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,281 INFO L448 ceAbstractionStarter]: For program point L882(lines 882 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,281 INFO L448 ceAbstractionStarter]: For program point L618(lines 618 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,281 INFO L448 ceAbstractionStarter]: For program point L1477(lines 1477 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,282 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:06:22,282 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:06:22,282 INFO L448 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2018-11-23 06:06:22,282 INFO L448 ceAbstractionStarter]: For program point L24-2(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:06:22,282 INFO L448 ceAbstractionStarter]: For program point L1280(lines 1280 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,282 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,282 INFO L448 ceAbstractionStarter]: For program point L1214(lines 1214 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,282 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-23 06:06:22,282 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-23 06:06:22,282 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-23 06:06:22,282 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,282 INFO L448 ceAbstractionStarter]: For program point L686(lines 686 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,282 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,282 INFO L448 ceAbstractionStarter]: For program point L356(lines 356 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,282 INFO L448 ceAbstractionStarter]: For program point L1347(lines 1347 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,283 INFO L448 ceAbstractionStarter]: For program point L290(lines 290 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,283 INFO L448 ceAbstractionStarter]: For program point L1149(lines 1149 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,283 INFO L448 ceAbstractionStarter]: For program point L489(lines 489 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,283 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:06:22,283 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:06:22,283 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:06:22,283 INFO L448 ceAbstractionStarter]: For program point L1018(lines 1018 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,283 INFO L448 ceAbstractionStarter]: For program point L424(lines 424 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,283 INFO L448 ceAbstractionStarter]: For program point L1415(lines 1415 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,283 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-23 06:06:22,283 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-23 06:06:22,283 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-23 06:06:22,283 INFO L448 ceAbstractionStarter]: For program point L1086(lines 1086 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,283 INFO L448 ceAbstractionStarter]: For program point L954(lines 954 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,283 INFO L448 ceAbstractionStarter]: For program point L888(lines 888 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,283 INFO L448 ceAbstractionStarter]: For program point L822(lines 822 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,283 INFO L448 ceAbstractionStarter]: For program point L624(lines 624 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,284 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:06:22,284 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:06:22,284 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:06:22,284 INFO L448 ceAbstractionStarter]: For program point L691(lines 691 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,284 INFO L448 ceAbstractionStarter]: For program point L1484(lines 1484 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,284 INFO L448 ceAbstractionStarter]: For program point L427(lines 427 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,284 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,284 INFO L448 ceAbstractionStarter]: For program point L1286(lines 1286 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,284 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,284 INFO L448 ceAbstractionStarter]: For program point L1220(lines 1220 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,284 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-23 06:06:22,284 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-23 06:06:22,284 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-23 06:06:22,284 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,284 INFO L448 ceAbstractionStarter]: For program point L560(lines 560 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,284 INFO L448 ceAbstractionStarter]: For program point L1353(lines 1353 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,284 INFO L448 ceAbstractionStarter]: For program point L1155(lines 1155 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,285 INFO L448 ceAbstractionStarter]: For program point L495(lines 495 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,285 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,285 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:06:22,285 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:06:22,285 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:06:22,285 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-23 06:06:22,285 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-23 06:06:22,285 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-23 06:06:22,285 INFO L448 ceAbstractionStarter]: For program point L1025(lines 1025 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,285 INFO L448 ceAbstractionStarter]: For program point L1422(lines 1422 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,285 INFO L448 ceAbstractionStarter]: For program point L1092(lines 1092 1490) no Hoare annotation was computed. [2018-11-23 06:06:22,285 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 06:06:22,285 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a16~0 11) (= ~a15~0 3) (= ~a12~0 5) (= (+ ~a18~0 87) 0)) [2018-11-23 06:06:22,285 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 06:06:22,285 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 06:06:22,286 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 (= 11 |old(~a16~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (and (= |old(~a15~0)| ~a15~0) (= ~a16~0 |old(~a16~0)|) (= ~a18~0 |old(~a18~0)|) (= |old(~a12~0)| ~a12~0))) [2018-11-23 06:06:22,286 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 1767 1783) no Hoare annotation was computed. [2018-11-23 06:06:22,286 INFO L444 ceAbstractionStarter]: At program point L1781(line 1781) the Hoare annotation is: (let ((.cse10 (not (= ~a16~0 10))) (.cse3 (not (= ~a16~0 8))) (.cse5 (not (= ~a12~0 7)))) (let ((.cse15 (not (= ~a15~0 4))) (.cse13 (and .cse10 .cse3 .cse5))) (let ((.cse6 (<= 4 ~a15~0)) (.cse12 (and .cse15 .cse13)) (.cse0 (<= ~a12~0 7)) (.cse2 (< 0 (+ ~a18~0 79))) (.cse11 (= ~a15~0 3)) (.cse1 (<= ~a16~0 8)) (.cse7 (= ~a12~0 9)) (.cse8 (<= (+ ~a18~0 87) 0)) (.cse14 (= 7 ~a12~0)) (.cse9 (= 8 ~a12~0)) (.cse4 (not (= ~a16~0 12)))) (or (not (= 11 |old(~a16~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (and (and .cse0 .cse1) .cse2) (and .cse3 .cse4 .cse5 .cse0) (and .cse6 .cse1 .cse7 .cse2) (and .cse8 .cse0 .cse1) (and .cse9 .cse8 .cse10 .cse4) (and .cse11 .cse12 .cse7 .cse2) (and .cse13 .cse6 .cse4 .cse7) (and .cse8 .cse6 .cse1 .cse7) (and (and .cse10 .cse4 .cse14) .cse2) (and .cse9 .cse2 .cse10 .cse4) (and .cse9 .cse15) (and .cse10 .cse15 .cse14) (and .cse15 .cse0 .cse1) (and .cse12 .cse0 .cse2) (not (= 3 |old(~a15~0)|)) (and (= 5 ~a12~0) .cse1) (and (not (= main_~input~0 0)) .cse11 (= ~a12~0 5)) (not (= 5 |old(~a12~0)|)) (and .cse11 (<= (+ ~a18~0 156) 0) .cse10 .cse7) (and (and .cse1 .cse7) (<= 135 ~a18~0)) (and .cse8 .cse10 .cse4 .cse14) (and .cse9 .cse13 .cse4))))) [2018-11-23 06:06:22,286 INFO L448 ceAbstractionStarter]: For program point L1781-1(line 1781) no Hoare annotation was computed. [2018-11-23 06:06:22,286 INFO L448 ceAbstractionStarter]: For program point L1778(line 1778) no Hoare annotation was computed. [2018-11-23 06:06:22,286 INFO L444 ceAbstractionStarter]: At program point L1773-2(lines 1773 1782) the Hoare annotation is: (let ((.cse10 (not (= ~a16~0 10))) (.cse3 (not (= ~a16~0 8))) (.cse5 (not (= ~a12~0 7)))) (let ((.cse15 (not (= ~a15~0 4))) (.cse13 (and .cse10 .cse3 .cse5))) (let ((.cse6 (<= 4 ~a15~0)) (.cse12 (and .cse15 .cse13)) (.cse0 (<= ~a12~0 7)) (.cse2 (< 0 (+ ~a18~0 79))) (.cse1 (<= ~a16~0 8)) (.cse7 (= ~a12~0 9)) (.cse11 (= ~a15~0 3)) (.cse16 (= 5 ~a12~0)) (.cse8 (<= (+ ~a18~0 87) 0)) (.cse14 (= 7 ~a12~0)) (.cse9 (= 8 ~a12~0)) (.cse4 (not (= ~a16~0 12)))) (or (not (= 11 |old(~a16~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (and (and .cse0 .cse1) .cse2) (and .cse3 .cse4 .cse5 .cse0) (and .cse6 .cse1 .cse7 .cse2) (and .cse8 .cse0 .cse1) (and .cse9 .cse8 .cse10 .cse4) (and .cse11 .cse12 .cse7 .cse2) (and .cse13 .cse6 .cse4 .cse7) (and .cse8 .cse6 .cse1 .cse7) (and (and .cse10 .cse4 .cse14) .cse2) (and .cse9 .cse2 .cse10 .cse4) (and .cse9 .cse15) (and .cse10 .cse15 .cse14) (and .cse15 .cse0 .cse1) (and .cse12 .cse0 .cse2) (not (= 3 |old(~a15~0)|)) (and .cse16 .cse1) (not (= 5 |old(~a12~0)|)) (and .cse11 (<= (+ ~a18~0 156) 0) .cse10 .cse7) (and (and .cse1 .cse7) (<= 135 ~a18~0)) (and .cse11 .cse16) (and .cse8 .cse10 .cse4 .cse14) (and .cse9 .cse13 .cse4))))) [2018-11-23 06:06:22,286 INFO L448 ceAbstractionStarter]: For program point L1773-3(lines 1767 1783) no Hoare annotation was computed. [2018-11-23 06:06:22,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 06:06:22 BoogieIcfgContainer [2018-11-23 06:06:22,301 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 06:06:22,301 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 06:06:22,301 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 06:06:22,301 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 06:06:22,302 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:01:06" (3/4) ... [2018-11-23 06:06:22,310 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 06:06:22,315 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 06:06:22,315 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output2 [2018-11-23 06:06:22,315 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 06:06:22,315 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 06:06:22,341 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-23 06:06:22,351 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 06:06:22,374 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((!(11 == \old(a16)) || !(\old(a18) + 87 == 0)) || ((a12 <= 7 && a16 <= 8) && 0 < a18 + 79)) || (((!(a16 == 8) && !(a16 == 12)) && !(a12 == 7)) && a12 <= 7)) || (((4 <= a15 && a16 <= 8) && a12 == 9) && 0 < a18 + 79)) || ((a18 + 87 <= 0 && a12 <= 7) && a16 <= 8)) || (((8 == a12 && a18 + 87 <= 0) && !(a16 == 10)) && !(a16 == 12))) || (((a15 == 3 && !(a15 == 4) && (!(a16 == 10) && !(a16 == 8)) && !(a12 == 7)) && a12 == 9) && 0 < a18 + 79)) || (((((!(a16 == 10) && !(a16 == 8)) && !(a12 == 7)) && 4 <= a15) && !(a16 == 12)) && a12 == 9)) || (((a18 + 87 <= 0 && 4 <= a15) && a16 <= 8) && a12 == 9)) || (((!(a16 == 10) && !(a16 == 12)) && 7 == a12) && 0 < a18 + 79)) || (((8 == a12 && 0 < a18 + 79) && !(a16 == 10)) && !(a16 == 12))) || (8 == a12 && !(a15 == 4))) || ((!(a16 == 10) && !(a15 == 4)) && 7 == a12)) || ((!(a15 == 4) && a12 <= 7) && a16 <= 8)) || (((!(a15 == 4) && (!(a16 == 10) && !(a16 == 8)) && !(a12 == 7)) && a12 <= 7) && 0 < a18 + 79)) || !(3 == \old(a15))) || (5 == a12 && a16 <= 8)) || !(5 == \old(a12))) || (((a15 == 3 && a18 + 156 <= 0) && !(a16 == 10)) && a12 == 9)) || ((a16 <= 8 && a12 == 9) && 135 <= a18)) || (a15 == 3 && 5 == a12)) || (((a18 + 87 <= 0 && !(a16 == 10)) && !(a16 == 12)) && 7 == a12)) || ((8 == a12 && (!(a16 == 10) && !(a16 == 8)) && !(a12 == 7)) && !(a16 == 12)) [2018-11-23 06:06:22,532 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ab0365a1-1272-43f4-b7ca-faa80181f3db/bin-2019/utaipan/witness.graphml [2018-11-23 06:06:22,532 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 06:06:22,533 INFO L168 Benchmark]: Toolchain (without parser) took 318453.85 ms. Allocated memory was 1.0 GB in the beginning and 5.0 GB in the end (delta: 3.9 GB). Free memory was 948.4 MB in the beginning and 561.3 MB in the end (delta: 387.1 MB). Peak memory consumption was 4.3 GB. Max. memory is 11.5 GB. [2018-11-23 06:06:22,533 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 06:06:22,533 INFO L168 Benchmark]: CACSL2BoogieTranslator took 693.01 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 875.9 MB in the end (delta: 72.5 MB). Peak memory consumption was 72.5 MB. Max. memory is 11.5 GB. [2018-11-23 06:06:22,534 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 169.3 MB). Free memory was 875.9 MB in the beginning and 1.2 GB in the end (delta: -286.2 MB). Peak memory consumption was 27.0 MB. Max. memory is 11.5 GB. [2018-11-23 06:06:22,534 INFO L168 Benchmark]: Boogie Preprocessor took 72.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 11.5 GB. [2018-11-23 06:06:22,534 INFO L168 Benchmark]: RCFGBuilder took 1756.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 904.8 MB in the end (delta: 246.3 MB). Peak memory consumption was 246.3 MB. Max. memory is 11.5 GB. [2018-11-23 06:06:22,534 INFO L168 Benchmark]: TraceAbstraction took 315596.63 ms. Allocated memory was 1.2 GB in the beginning and 5.0 GB in the end (delta: 3.8 GB). Free memory was 904.8 MB in the beginning and 561.3 MB in the end (delta: 343.5 MB). Peak memory consumption was 4.4 GB. Max. memory is 11.5 GB. [2018-11-23 06:06:22,535 INFO L168 Benchmark]: Witness Printer took 231.05 ms. Allocated memory is still 5.0 GB. Free memory was 561.3 MB in the beginning and 561.3 MB in the end (delta: 10.1 kB). Peak memory consumption was 10.1 kB. Max. memory is 11.5 GB. [2018-11-23 06:06:22,537 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 693.01 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 875.9 MB in the end (delta: 72.5 MB). Peak memory consumption was 72.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 100.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 169.3 MB). Free memory was 875.9 MB in the beginning and 1.2 GB in the end (delta: -286.2 MB). Peak memory consumption was 27.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 72.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1756.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 904.8 MB in the end (delta: 246.3 MB). Peak memory consumption was 246.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 315596.63 ms. Allocated memory was 1.2 GB in the beginning and 5.0 GB in the end (delta: 3.8 GB). Free memory was 904.8 MB in the beginning and 561.3 MB in the end (delta: 343.5 MB). Peak memory consumption was 4.4 GB. Max. memory is 11.5 GB. * Witness Printer took 231.05 ms. Allocated memory is still 5.0 GB. Free memory was 561.3 MB in the beginning and 561.3 MB in the end (delta: 10.1 kB). Peak memory consumption was 10.1 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 133]: 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)) || !(\old(a18) + 87 == 0)) || ((a12 <= 7 && a16 <= 8) && 0 < a18 + 79)) || (((!(a16 == 8) && !(a16 == 12)) && !(a12 == 7)) && a12 <= 7)) || (((4 <= a15 && a16 <= 8) && a12 == 9) && 0 < a18 + 79)) || ((a18 + 87 <= 0 && a12 <= 7) && a16 <= 8)) || (((8 == a12 && a18 + 87 <= 0) && !(a16 == 10)) && !(a16 == 12))) || (((a15 == 3 && !(a15 == 4) && (!(a16 == 10) && !(a16 == 8)) && !(a12 == 7)) && a12 == 9) && 0 < a18 + 79)) || (((((!(a16 == 10) && !(a16 == 8)) && !(a12 == 7)) && 4 <= a15) && !(a16 == 12)) && a12 == 9)) || (((a18 + 87 <= 0 && 4 <= a15) && a16 <= 8) && a12 == 9)) || (((!(a16 == 10) && !(a16 == 12)) && 7 == a12) && 0 < a18 + 79)) || (((8 == a12 && 0 < a18 + 79) && !(a16 == 10)) && !(a16 == 12))) || (8 == a12 && !(a15 == 4))) || ((!(a16 == 10) && !(a15 == 4)) && 7 == a12)) || ((!(a15 == 4) && a12 <= 7) && a16 <= 8)) || (((!(a15 == 4) && (!(a16 == 10) && !(a16 == 8)) && !(a12 == 7)) && a12 <= 7) && 0 < a18 + 79)) || !(3 == \old(a15))) || (5 == a12 && a16 <= 8)) || !(5 == \old(a12))) || (((a15 == 3 && a18 + 156 <= 0) && !(a16 == 10)) && a12 == 9)) || ((a16 <= 8 && a12 == 9) && 135 <= a18)) || (a15 == 3 && 5 == a12)) || (((a18 + 87 <= 0 && !(a16 == 10)) && !(a16 == 12)) && 7 == a12)) || ((8 == a12 && (!(a16 == 10) && !(a16 == 8)) && !(a12 == 7)) && !(a16 == 12)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 409 locations, 1 error locations. SAFE Result, 315.5s OverallTime, 17 OverallIterations, 9 TraceHistogramMax, 267.9s AutomataDifference, 0.0s DeadEndRemovalTime, 17.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 3473 SDtfs, 34983 SDslu, 3856 SDs, 0 SdLazy, 64111 SolverSat, 9286 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 235.9s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 14693 GetRequests, 14411 SyntacticMatches, 22 SemanticMatches, 260 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2084 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44167occurred in iteration=16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 4.6s AbstIntTime, 9 AbstIntIterations, 3 AbstIntStrong, 0.9983557729465985 AbsIntWeakeningRatio, 0.050793650793650794 AbsIntAvgWeakeningVarsNumRemoved, 16.224338624338625 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 5.6s AutomataMinimizationTime, 17 MinimizatonAttempts, 7243 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 4491 PreInvPairs, 6617 NumberOfFragments, 2397 HoareAnnotationTreeSize, 4491 FomulaSimplifications, 542705 FormulaSimplificationTreeSizeReduction, 5.7s HoareSimplificationTime, 9 FomulaSimplificationsInter, 308952 FormulaSimplificationTreeSizeReductionInter, 11.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 10.1s InterpolantComputationTime, 17565 NumberOfCodeBlocks, 17565 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 23762 ConstructedInterpolants, 0 QuantifiedInterpolants, 78215515 SizeOfPredicates, 4 NumberOfNonLiveVariables, 8163 ConjunctsInSsa, 27 ConjunctsInUnsatCore, 29 InterpolantComputations, 10 PerfectInterpolantSequences, 44050/48599 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...