./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label13_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c4a2c2c8-f388-4762-b430-e0fc4b1b5d7c/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c4a2c2c8-f388-4762-b430-e0fc4b1b5d7c/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c4a2c2c8-f388-4762-b430-e0fc4b1b5d7c/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c4a2c2c8-f388-4762-b430-e0fc4b1b5d7c/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label13_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c4a2c2c8-f388-4762-b430-e0fc4b1b5d7c/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c4a2c2c8-f388-4762-b430-e0fc4b1b5d7c/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 cc0170d70ef5480c46fda2216609fae1210cf1eb ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 16:12:40,818 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 16:12:40,819 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 16:12:40,827 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 16:12:40,827 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 16:12:40,827 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 16:12:40,828 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 16:12:40,829 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 16:12:40,830 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 16:12:40,831 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 16:12:40,831 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 16:12:40,832 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 16:12:40,832 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 16:12:40,833 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 16:12:40,834 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 16:12:40,834 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 16:12:40,835 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 16:12:40,836 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 16:12:40,837 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 16:12:40,839 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 16:12:40,839 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 16:12:40,840 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 16:12:40,842 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 16:12:40,842 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 16:12:40,842 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 16:12:40,843 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 16:12:40,843 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 16:12:40,844 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 16:12:40,845 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 16:12:40,845 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 16:12:40,846 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 16:12:40,846 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 16:12:40,846 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 16:12:40,846 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 16:12:40,847 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 16:12:40,847 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 16:12:40,848 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c4a2c2c8-f388-4762-b430-e0fc4b1b5d7c/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 16:12:40,858 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 16:12:40,858 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 16:12:40,858 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 16:12:40,859 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 16:12:40,859 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 16:12:40,859 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 16:12:40,859 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 16:12:40,859 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 16:12:40,859 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 16:12:40,860 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 16:12:40,860 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 16:12:40,860 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 16:12:40,860 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 16:12:40,860 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 16:12:40,861 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 16:12:40,861 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 16:12:40,861 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 16:12:40,861 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 16:12:40,861 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 16:12:40,861 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 16:12:40,861 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 16:12:40,862 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 16:12:40,862 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 16:12:40,862 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 16:12:40,862 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 16:12:40,862 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 16:12:40,862 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 16:12:40,862 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 16:12:40,862 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 16:12:40,863 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 16:12:40,863 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 16:12:40,863 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 16:12:40,863 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 16:12:40,863 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 16:12:40,863 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 16:12:40,863 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 16:12:40,863 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_c4a2c2c8-f388-4762-b430-e0fc4b1b5d7c/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 -> cc0170d70ef5480c46fda2216609fae1210cf1eb [2018-12-09 16:12:40,885 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 16:12:40,892 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 16:12:40,894 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 16:12:40,894 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 16:12:40,895 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 16:12:40,895 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c4a2c2c8-f388-4762-b430-e0fc4b1b5d7c/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem16_label13_true-unreach-call.c [2018-12-09 16:12:40,929 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c4a2c2c8-f388-4762-b430-e0fc4b1b5d7c/bin-2019/utaipan/data/81cb4aacd/ec3f35db0cd7425780303919ac19d261/FLAG2729ea0c5 [2018-12-09 16:12:41,415 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 16:12:41,415 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c4a2c2c8-f388-4762-b430-e0fc4b1b5d7c/sv-benchmarks/c/eca-rers2012/Problem16_label13_true-unreach-call.c [2018-12-09 16:12:41,423 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c4a2c2c8-f388-4762-b430-e0fc4b1b5d7c/bin-2019/utaipan/data/81cb4aacd/ec3f35db0cd7425780303919ac19d261/FLAG2729ea0c5 [2018-12-09 16:12:41,432 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c4a2c2c8-f388-4762-b430-e0fc4b1b5d7c/bin-2019/utaipan/data/81cb4aacd/ec3f35db0cd7425780303919ac19d261 [2018-12-09 16:12:41,434 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 16:12:41,435 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 16:12:41,435 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 16:12:41,436 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 16:12:41,438 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 16:12:41,439 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:12:41" (1/1) ... [2018-12-09 16:12:41,441 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@643265e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:12:41, skipping insertion in model container [2018-12-09 16:12:41,441 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:12:41" (1/1) ... [2018-12-09 16:12:41,445 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 16:12:41,479 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 16:12:41,769 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 16:12:41,772 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 16:12:41,934 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 16:12:41,944 INFO L195 MainTranslator]: Completed translation [2018-12-09 16:12:41,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:12:41 WrapperNode [2018-12-09 16:12:41,945 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 16:12:41,945 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 16:12:41,945 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 16:12:41,945 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 16:12:41,951 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:12:41" (1/1) ... [2018-12-09 16:12:41,964 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:12:41" (1/1) ... [2018-12-09 16:12:41,969 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 16:12:41,969 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 16:12:41,969 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 16:12:41,969 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 16:12:41,976 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:12:41" (1/1) ... [2018-12-09 16:12:41,976 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:12:41" (1/1) ... [2018-12-09 16:12:41,981 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:12:41" (1/1) ... [2018-12-09 16:12:41,981 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:12:41" (1/1) ... [2018-12-09 16:12:42,004 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:12:41" (1/1) ... [2018-12-09 16:12:42,012 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:12:41" (1/1) ... [2018-12-09 16:12:42,018 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:12:41" (1/1) ... [2018-12-09 16:12:42,026 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 16:12:42,027 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 16:12:42,027 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 16:12:42,027 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 16:12:42,028 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:12:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c4a2c2c8-f388-4762-b430-e0fc4b1b5d7c/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 16:12:42,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 16:12:42,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 16:12:42,061 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-12-09 16:12:42,061 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-12-09 16:12:42,061 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-09 16:12:42,061 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-09 16:12:42,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 16:12:42,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 16:12:42,061 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 16:12:42,062 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 16:12:43,319 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 16:12:43,319 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-09 16:12:43,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:12:43 BoogieIcfgContainer [2018-12-09 16:12:43,320 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 16:12:43,320 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 16:12:43,321 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 16:12:43,323 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 16:12:43,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 04:12:41" (1/3) ... [2018-12-09 16:12:43,323 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f6aa8a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 04:12:43, skipping insertion in model container [2018-12-09 16:12:43,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:12:41" (2/3) ... [2018-12-09 16:12:43,324 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f6aa8a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 04:12:43, skipping insertion in model container [2018-12-09 16:12:43,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:12:43" (3/3) ... [2018-12-09 16:12:43,325 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label13_true-unreach-call.c [2018-12-09 16:12:43,331 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 16:12:43,337 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 16:12:43,347 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 16:12:43,371 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 16:12:43,371 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 16:12:43,371 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 16:12:43,371 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 16:12:43,371 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 16:12:43,371 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 16:12:43,372 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 16:12:43,372 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 16:12:43,393 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states. [2018-12-09 16:12:43,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-09 16:12:43,399 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:12:43,400 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 16:12:43,401 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:12:43,405 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:12:43,405 INFO L82 PathProgramCache]: Analyzing trace with hash -1029807235, now seen corresponding path program 1 times [2018-12-09 16:12:43,407 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 16:12:43,438 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:12:43,438 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:12:43,438 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:12:43,438 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 16:12:43,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:12:43,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:12:43,599 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 16:12:43,599 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 16:12:43,599 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 16:12:43,603 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 16:12:43,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 16:12:43,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 16:12:43,618 INFO L87 Difference]: Start difference. First operand 409 states. Second operand 3 states. [2018-12-09 16:12:44,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:12:44,691 INFO L93 Difference]: Finished difference Result 1153 states and 2141 transitions. [2018-12-09 16:12:44,691 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 16:12:44,692 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2018-12-09 16:12:44,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:12:44,702 INFO L225 Difference]: With dead ends: 1153 [2018-12-09 16:12:44,702 INFO L226 Difference]: Without dead ends: 682 [2018-12-09 16:12:44,706 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 16:12:44,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2018-12-09 16:12:44,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 682. [2018-12-09 16:12:44,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 682 states. [2018-12-09 16:12:44,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 1184 transitions. [2018-12-09 16:12:44,759 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 1184 transitions. Word has length 62 [2018-12-09 16:12:44,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:12:44,760 INFO L480 AbstractCegarLoop]: Abstraction has 682 states and 1184 transitions. [2018-12-09 16:12:44,760 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 16:12:44,760 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 1184 transitions. [2018-12-09 16:12:44,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-09 16:12:44,762 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:12:44,763 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 16:12:44,763 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:12:44,763 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:12:44,763 INFO L82 PathProgramCache]: Analyzing trace with hash -1750057103, now seen corresponding path program 1 times [2018-12-09 16:12:44,763 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 16:12:44,764 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:12:44,764 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:12:44,764 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:12:44,764 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 16:12:44,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:12:44,841 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:12:44,842 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 16:12:44,842 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 16:12:44,842 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 16:12:44,843 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 16:12:44,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 16:12:44,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 16:12:44,843 INFO L87 Difference]: Start difference. First operand 682 states and 1184 transitions. Second operand 5 states. [2018-12-09 16:12:46,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:12:46,187 INFO L93 Difference]: Finished difference Result 2066 states and 3624 transitions. [2018-12-09 16:12:46,187 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 16:12:46,187 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 131 [2018-12-09 16:12:46,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:12:46,193 INFO L225 Difference]: With dead ends: 2066 [2018-12-09 16:12:46,193 INFO L226 Difference]: Without dead ends: 1390 [2018-12-09 16:12:46,194 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-09 16:12:46,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1390 states. [2018-12-09 16:12:46,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1390 to 1372. [2018-12-09 16:12:46,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1372 states. [2018-12-09 16:12:46,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1372 states to 1372 states and 2268 transitions. [2018-12-09 16:12:46,229 INFO L78 Accepts]: Start accepts. Automaton has 1372 states and 2268 transitions. Word has length 131 [2018-12-09 16:12:46,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:12:46,229 INFO L480 AbstractCegarLoop]: Abstraction has 1372 states and 2268 transitions. [2018-12-09 16:12:46,230 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 16:12:46,230 INFO L276 IsEmpty]: Start isEmpty. Operand 1372 states and 2268 transitions. [2018-12-09 16:12:46,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-09 16:12:46,232 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:12:46,233 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 16:12:46,233 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:12:46,233 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:12:46,233 INFO L82 PathProgramCache]: Analyzing trace with hash 1781549380, now seen corresponding path program 1 times [2018-12-09 16:12:46,233 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 16:12:46,234 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:12:46,234 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:12:46,234 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:12:46,234 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 16:12:46,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:12:46,349 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:12:46,349 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 16:12:46,349 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 16:12:46,349 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 16:12:46,350 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 16:12:46,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 16:12:46,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 16:12:46,350 INFO L87 Difference]: Start difference. First operand 1372 states and 2268 transitions. Second operand 6 states. [2018-12-09 16:12:47,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:12:47,631 INFO L93 Difference]: Finished difference Result 3472 states and 5791 transitions. [2018-12-09 16:12:47,632 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 16:12:47,632 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 160 [2018-12-09 16:12:47,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:12:47,641 INFO L225 Difference]: With dead ends: 3472 [2018-12-09 16:12:47,641 INFO L226 Difference]: Without dead ends: 2106 [2018-12-09 16:12:47,644 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-09 16:12:47,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2106 states. [2018-12-09 16:12:47,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2106 to 2081. [2018-12-09 16:12:47,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2081 states. [2018-12-09 16:12:47,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2081 states to 2081 states and 3263 transitions. [2018-12-09 16:12:47,693 INFO L78 Accepts]: Start accepts. Automaton has 2081 states and 3263 transitions. Word has length 160 [2018-12-09 16:12:47,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:12:47,694 INFO L480 AbstractCegarLoop]: Abstraction has 2081 states and 3263 transitions. [2018-12-09 16:12:47,694 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 16:12:47,694 INFO L276 IsEmpty]: Start isEmpty. Operand 2081 states and 3263 transitions. [2018-12-09 16:12:47,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-12-09 16:12:47,697 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:12:47,697 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 16:12:47,697 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:12:47,698 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:12:47,698 INFO L82 PathProgramCache]: Analyzing trace with hash -1787873856, now seen corresponding path program 1 times [2018-12-09 16:12:47,698 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 16:12:47,698 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:12:47,699 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:12:47,699 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:12:47,699 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 16:12:47,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:12:47,787 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:12:47,788 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 16:12:47,788 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 16:12:47,788 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 16:12:47,788 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 16:12:47,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 16:12:47,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 16:12:47,788 INFO L87 Difference]: Start difference. First operand 2081 states and 3263 transitions. Second operand 6 states. [2018-12-09 16:12:49,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:12:49,174 INFO L93 Difference]: Finished difference Result 5241 states and 8253 transitions. [2018-12-09 16:12:49,175 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 16:12:49,175 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 178 [2018-12-09 16:12:49,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:12:49,195 INFO L225 Difference]: With dead ends: 5241 [2018-12-09 16:12:49,195 INFO L226 Difference]: Without dead ends: 3166 [2018-12-09 16:12:49,201 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-09 16:12:49,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3166 states. [2018-12-09 16:12:49,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3166 to 3140. [2018-12-09 16:12:49,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3140 states. [2018-12-09 16:12:49,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3140 states to 3140 states and 4128 transitions. [2018-12-09 16:12:49,241 INFO L78 Accepts]: Start accepts. Automaton has 3140 states and 4128 transitions. Word has length 178 [2018-12-09 16:12:49,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:12:49,241 INFO L480 AbstractCegarLoop]: Abstraction has 3140 states and 4128 transitions. [2018-12-09 16:12:49,241 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 16:12:49,241 INFO L276 IsEmpty]: Start isEmpty. Operand 3140 states and 4128 transitions. [2018-12-09 16:12:49,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2018-12-09 16:12:49,243 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:12:49,243 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 16:12:49,243 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:12:49,243 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:12:49,244 INFO L82 PathProgramCache]: Analyzing trace with hash -1569357003, now seen corresponding path program 1 times [2018-12-09 16:12:49,244 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 16:12:49,244 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:12:49,244 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:12:49,244 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:12:49,244 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 16:12:49,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:12:49,344 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 121 proven. 54 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 16:12:49,344 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:12:49,344 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 16:12:49,345 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 261 with the following transitions: [2018-12-09 16:12:49,346 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [583], [585], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 16:12:49,374 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 16:12:49,374 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 16:12:49,622 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 16:12:49,623 INFO L272 AbstractInterpreter]: Visited 134 different actions 134 times. Never merged. Never widened. Performed 1261 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1261 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 24 variables. [2018-12-09 16:12:49,638 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:12:49,638 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 16:12:49,884 INFO L227 lantSequenceWeakener]: Weakened 251 states. On average, predicates are now at 78.08% of their original sizes. [2018-12-09 16:12:49,884 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 16:12:49,912 INFO L418 sIntCurrentIteration]: We unified 259 AI predicates to 259 [2018-12-09 16:12:49,912 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 16:12:49,913 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 16:12:49,913 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2018-12-09 16:12:49,913 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 16:12:49,913 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 16:12:49,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 16:12:49,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 16:12:49,914 INFO L87 Difference]: Start difference. First operand 3140 states and 4128 transitions. Second operand 6 states. [2018-12-09 16:13:21,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:13:21,161 INFO L93 Difference]: Finished difference Result 6612 states and 8630 transitions. [2018-12-09 16:13:21,161 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 16:13:21,161 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 260 [2018-12-09 16:13:21,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:13:21,168 INFO L225 Difference]: With dead ends: 6612 [2018-12-09 16:13:21,168 INFO L226 Difference]: Without dead ends: 3478 [2018-12-09 16:13:21,172 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 260 GetRequests, 255 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-09 16:13:21,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3478 states. [2018-12-09 16:13:21,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3478 to 3477. [2018-12-09 16:13:21,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3477 states. [2018-12-09 16:13:21,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3477 states to 3477 states and 4473 transitions. [2018-12-09 16:13:21,231 INFO L78 Accepts]: Start accepts. Automaton has 3477 states and 4473 transitions. Word has length 260 [2018-12-09 16:13:21,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:13:21,231 INFO L480 AbstractCegarLoop]: Abstraction has 3477 states and 4473 transitions. [2018-12-09 16:13:21,231 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 16:13:21,232 INFO L276 IsEmpty]: Start isEmpty. Operand 3477 states and 4473 transitions. [2018-12-09 16:13:21,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2018-12-09 16:13:21,237 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:13:21,237 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 16:13:21,237 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:13:21,237 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:13:21,238 INFO L82 PathProgramCache]: Analyzing trace with hash -314338147, now seen corresponding path program 1 times [2018-12-09 16:13:21,238 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 16:13:21,239 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:13:21,239 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:13:21,239 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:13:21,239 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 16:13:21,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:13:21,450 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 235 proven. 115 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-09 16:13:21,450 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:13:21,450 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 16:13:21,450 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 352 with the following transitions: [2018-12-09 16:13:21,450 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [583], [585], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [760], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 16:13:21,453 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 16:13:21,453 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 16:13:21,616 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 16:13:21,616 INFO L272 AbstractInterpreter]: Visited 138 different actions 401 times. Merged at 4 different actions 7 times. Never widened. Performed 4094 root evaluator evaluations with a maximum evaluation depth of 7. Performed 4094 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-09 16:13:21,622 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:13:21,622 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 16:13:21,838 INFO L227 lantSequenceWeakener]: Weakened 348 states. On average, predicates are now at 80.62% of their original sizes. [2018-12-09 16:13:21,839 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 16:13:21,894 INFO L418 sIntCurrentIteration]: We unified 350 AI predicates to 350 [2018-12-09 16:13:21,895 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 16:13:21,895 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 16:13:21,895 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [7] total 15 [2018-12-09 16:13:21,895 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 16:13:21,896 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 16:13:21,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 16:13:21,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 16:13:21,896 INFO L87 Difference]: Start difference. First operand 3477 states and 4473 transitions. Second operand 10 states. [2018-12-09 16:14:18,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:14:18,448 INFO L93 Difference]: Finished difference Result 7683 states and 9934 transitions. [2018-12-09 16:14:18,448 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-09 16:14:18,448 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 351 [2018-12-09 16:14:18,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:14:18,460 INFO L225 Difference]: With dead ends: 7683 [2018-12-09 16:14:18,460 INFO L226 Difference]: Without dead ends: 4549 [2018-12-09 16:14:18,465 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 360 GetRequests, 342 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-12-09 16:14:18,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4549 states. [2018-12-09 16:14:18,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4549 to 4518. [2018-12-09 16:14:18,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4518 states. [2018-12-09 16:14:18,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4518 states to 4518 states and 5629 transitions. [2018-12-09 16:14:18,526 INFO L78 Accepts]: Start accepts. Automaton has 4518 states and 5629 transitions. Word has length 351 [2018-12-09 16:14:18,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:14:18,526 INFO L480 AbstractCegarLoop]: Abstraction has 4518 states and 5629 transitions. [2018-12-09 16:14:18,526 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 16:14:18,526 INFO L276 IsEmpty]: Start isEmpty. Operand 4518 states and 5629 transitions. [2018-12-09 16:14:18,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 500 [2018-12-09 16:14:18,532 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:14:18,532 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 16:14:18,533 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:14:18,533 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:14:18,533 INFO L82 PathProgramCache]: Analyzing trace with hash 518481461, now seen corresponding path program 1 times [2018-12-09 16:14:18,533 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 16:14:18,533 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:14:18,533 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:14:18,533 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:14:18,533 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 16:14:18,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:14:18,704 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 248 proven. 54 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2018-12-09 16:14:18,704 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:14:18,704 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 16:14:18,705 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 500 with the following transitions: [2018-12-09 16:14:18,705 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [583], [585], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 16:14:18,710 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 16:14:18,710 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 16:14:18,997 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 16:14:18,998 INFO L272 AbstractInterpreter]: Visited 249 different actions 742 times. Merged at 7 different actions 17 times. Never widened. Performed 8383 root evaluator evaluations with a maximum evaluation depth of 18. Performed 8383 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 4 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-09 16:14:19,002 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:14:19,003 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 16:14:19,003 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:14:19,003 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c4a2c2c8-f388-4762-b430-e0fc4b1b5d7c/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 16:14:19,009 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:14:19,009 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 16:14:19,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:14:19,083 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 16:14:19,181 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 171 proven. 0 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2018-12-09 16:14:19,181 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 16:14:19,265 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 171 proven. 0 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2018-12-09 16:14:19,280 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-09 16:14:19,280 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5] total 7 [2018-12-09 16:14:19,280 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 16:14:19,281 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 16:14:19,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 16:14:19,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-09 16:14:19,281 INFO L87 Difference]: Start difference. First operand 4518 states and 5629 transitions. Second operand 3 states. [2018-12-09 16:14:20,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:14:20,060 INFO L93 Difference]: Finished difference Result 8693 states and 10913 transitions. [2018-12-09 16:14:20,060 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 16:14:20,060 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 499 [2018-12-09 16:14:20,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:14:20,067 INFO L225 Difference]: With dead ends: 8693 [2018-12-09 16:14:20,068 INFO L226 Difference]: Without dead ends: 4518 [2018-12-09 16:14:20,071 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1004 GetRequests, 999 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-09 16:14:20,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4518 states. [2018-12-09 16:14:20,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4518 to 4518. [2018-12-09 16:14:20,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4518 states. [2018-12-09 16:14:20,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4518 states to 4518 states and 5478 transitions. [2018-12-09 16:14:20,114 INFO L78 Accepts]: Start accepts. Automaton has 4518 states and 5478 transitions. Word has length 499 [2018-12-09 16:14:20,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:14:20,115 INFO L480 AbstractCegarLoop]: Abstraction has 4518 states and 5478 transitions. [2018-12-09 16:14:20,115 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 16:14:20,115 INFO L276 IsEmpty]: Start isEmpty. Operand 4518 states and 5478 transitions. [2018-12-09 16:14:20,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 525 [2018-12-09 16:14:20,121 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:14:20,121 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 16:14:20,121 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:14:20,121 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:14:20,122 INFO L82 PathProgramCache]: Analyzing trace with hash 747170973, now seen corresponding path program 1 times [2018-12-09 16:14:20,122 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 16:14:20,122 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:14:20,122 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:14:20,122 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:14:20,122 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 16:14:20,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:14:20,677 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 75 proven. 254 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 16:14:20,677 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:14:20,677 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 16:14:20,677 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 525 with the following transitions: [2018-12-09 16:14:20,678 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [583], [585], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 16:14:20,681 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 16:14:20,681 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 16:14:20,896 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 16:14:20,896 INFO L272 AbstractInterpreter]: Visited 247 different actions 734 times. Merged at 6 different actions 13 times. Never widened. Performed 8255 root evaluator evaluations with a maximum evaluation depth of 8. Performed 8255 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Found 3 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-09 16:14:20,898 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:14:20,898 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 16:14:21,148 INFO L227 lantSequenceWeakener]: Weakened 521 states. On average, predicates are now at 80.36% of their original sizes. [2018-12-09 16:14:21,148 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 16:14:21,211 INFO L418 sIntCurrentIteration]: We unified 523 AI predicates to 523 [2018-12-09 16:14:21,211 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 16:14:21,211 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 16:14:21,212 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [5] total 13 [2018-12-09 16:14:21,212 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 16:14:21,212 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 16:14:21,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 16:14:21,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 16:14:21,212 INFO L87 Difference]: Start difference. First operand 4518 states and 5478 transitions. Second operand 10 states. [2018-12-09 16:14:41,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:14:41,952 INFO L93 Difference]: Finished difference Result 10065 states and 12169 transitions. [2018-12-09 16:14:41,953 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-09 16:14:41,953 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 524 [2018-12-09 16:14:41,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:14:41,962 INFO L225 Difference]: With dead ends: 10065 [2018-12-09 16:14:41,962 INFO L226 Difference]: Without dead ends: 5890 [2018-12-09 16:14:41,965 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 533 GetRequests, 515 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-12-09 16:14:41,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5890 states. [2018-12-09 16:14:42,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5890 to 5879. [2018-12-09 16:14:42,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5879 states. [2018-12-09 16:14:42,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5879 states to 5879 states and 6985 transitions. [2018-12-09 16:14:42,038 INFO L78 Accepts]: Start accepts. Automaton has 5879 states and 6985 transitions. Word has length 524 [2018-12-09 16:14:42,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:14:42,039 INFO L480 AbstractCegarLoop]: Abstraction has 5879 states and 6985 transitions. [2018-12-09 16:14:42,039 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 16:14:42,039 INFO L276 IsEmpty]: Start isEmpty. Operand 5879 states and 6985 transitions. [2018-12-09 16:14:42,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 662 [2018-12-09 16:14:42,050 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:14:42,050 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 16:14:42,050 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:14:42,050 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:14:42,050 INFO L82 PathProgramCache]: Analyzing trace with hash -484220612, now seen corresponding path program 1 times [2018-12-09 16:14:42,050 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 16:14:42,051 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:14:42,051 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:14:42,051 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:14:42,051 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 16:14:42,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:14:42,312 INFO L134 CoverageAnalysis]: Checked inductivity of 926 backedges. 459 proven. 115 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2018-12-09 16:14:42,312 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:14:42,312 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 16:14:42,312 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 662 with the following transitions: [2018-12-09 16:14:42,312 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [583], [585], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [860], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 16:14:42,314 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 16:14:42,315 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 16:14:42,700 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 16:14:42,700 INFO L272 AbstractInterpreter]: Visited 250 different actions 998 times. Merged at 8 different actions 30 times. Widened at 1 different actions 1 times. Performed 11706 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11706 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 7 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-09 16:14:42,702 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:14:42,702 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 16:14:42,702 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:14:42,702 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c4a2c2c8-f388-4762-b430-e0fc4b1b5d7c/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 16:14:42,708 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:14:42,708 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 16:14:42,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:14:42,798 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 16:14:42,924 INFO L134 CoverageAnalysis]: Checked inductivity of 926 backedges. 742 proven. 2 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2018-12-09 16:14:42,924 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 16:14:43,162 INFO L134 CoverageAnalysis]: Checked inductivity of 926 backedges. 459 proven. 115 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2018-12-09 16:14:43,177 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 16:14:43,177 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-12-09 16:14:43,177 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 16:14:43,178 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 16:14:43,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 16:14:43,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-12-09 16:14:43,178 INFO L87 Difference]: Start difference. First operand 5879 states and 6985 transitions. Second operand 9 states. [2018-12-09 16:14:48,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:14:48,796 INFO L93 Difference]: Finished difference Result 13972 states and 17329 transitions. [2018-12-09 16:14:48,796 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-09 16:14:48,797 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 661 [2018-12-09 16:14:48,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:14:48,816 INFO L225 Difference]: With dead ends: 13972 [2018-12-09 16:14:48,816 INFO L226 Difference]: Without dead ends: 8436 [2018-12-09 16:14:48,822 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1343 GetRequests, 1325 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2018-12-09 16:14:48,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8436 states. [2018-12-09 16:14:48,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8436 to 8412. [2018-12-09 16:14:48,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8412 states. [2018-12-09 16:14:48,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8412 states to 8412 states and 10124 transitions. [2018-12-09 16:14:48,909 INFO L78 Accepts]: Start accepts. Automaton has 8412 states and 10124 transitions. Word has length 661 [2018-12-09 16:14:48,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:14:48,910 INFO L480 AbstractCegarLoop]: Abstraction has 8412 states and 10124 transitions. [2018-12-09 16:14:48,910 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 16:14:48,910 INFO L276 IsEmpty]: Start isEmpty. Operand 8412 states and 10124 transitions. [2018-12-09 16:14:48,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 914 [2018-12-09 16:14:48,920 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:14:48,920 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 16:14:48,920 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:14:48,920 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:14:48,921 INFO L82 PathProgramCache]: Analyzing trace with hash -364421937, now seen corresponding path program 1 times [2018-12-09 16:14:48,921 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 16:14:48,921 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:14:48,921 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:14:48,921 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:14:48,922 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 16:14:48,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:14:49,457 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 707 proven. 521 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2018-12-09 16:14:49,457 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:14:49,458 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 16:14:49,458 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 914 with the following transitions: [2018-12-09 16:14:49,458 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [583], [585], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1385], [1389], [1392], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 16:14:49,460 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 16:14:49,461 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 16:14:49,683 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 16:14:49,683 INFO L272 AbstractInterpreter]: Visited 260 different actions 767 times. Merged at 4 different actions 7 times. Never widened. Performed 8951 root evaluator evaluations with a maximum evaluation depth of 9. Performed 8951 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-09 16:14:49,685 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:14:49,685 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 16:14:50,091 INFO L227 lantSequenceWeakener]: Weakened 910 states. On average, predicates are now at 80.25% of their original sizes. [2018-12-09 16:14:50,091 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 16:14:50,133 INFO L418 sIntCurrentIteration]: We unified 912 AI predicates to 912 [2018-12-09 16:14:50,133 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 16:14:50,133 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 16:14:50,133 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [8] total 15 [2018-12-09 16:14:50,133 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 16:14:50,134 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 16:14:50,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 16:14:50,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 16:14:50,134 INFO L87 Difference]: Start difference. First operand 8412 states and 10124 transitions. Second operand 9 states. [2018-12-09 16:16:28,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:16:28,206 INFO L93 Difference]: Finished difference Result 16490 states and 19908 transitions. [2018-12-09 16:16:28,206 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-09 16:16:28,207 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 913 [2018-12-09 16:16:28,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:16:28,222 INFO L225 Difference]: With dead ends: 16490 [2018-12-09 16:16:28,222 INFO L226 Difference]: Without dead ends: 8421 [2018-12-09 16:16:28,231 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 919 GetRequests, 905 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-12-09 16:16:28,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8421 states. [2018-12-09 16:16:28,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8421 to 8414. [2018-12-09 16:16:28,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8414 states. [2018-12-09 16:16:28,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8414 states to 8414 states and 10119 transitions. [2018-12-09 16:16:28,320 INFO L78 Accepts]: Start accepts. Automaton has 8414 states and 10119 transitions. Word has length 913 [2018-12-09 16:16:28,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:16:28,320 INFO L480 AbstractCegarLoop]: Abstraction has 8414 states and 10119 transitions. [2018-12-09 16:16:28,320 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 16:16:28,320 INFO L276 IsEmpty]: Start isEmpty. Operand 8414 states and 10119 transitions. [2018-12-09 16:16:28,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 948 [2018-12-09 16:16:28,328 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:16:28,329 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 16:16:28,329 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:16:28,329 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:16:28,329 INFO L82 PathProgramCache]: Analyzing trace with hash -2059990858, now seen corresponding path program 1 times [2018-12-09 16:16:28,329 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 16:16:28,330 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:16:28,330 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:16:28,330 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:16:28,330 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 16:16:28,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:16:28,934 INFO L134 CoverageAnalysis]: Checked inductivity of 2067 backedges. 894 proven. 564 refuted. 0 times theorem prover too weak. 609 trivial. 0 not checked. [2018-12-09 16:16:28,934 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:16:28,934 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 16:16:28,935 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 948 with the following transitions: [2018-12-09 16:16:28,935 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [583], [585], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1044], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 16:16:28,936 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 16:16:28,937 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 16:16:29,317 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 16:16:29,317 INFO L272 AbstractInterpreter]: Visited 252 different actions 1011 times. Merged at 10 different actions 35 times. Never widened. Performed 11810 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11810 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 12 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-09 16:16:29,318 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:16:29,319 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 16:16:29,319 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:16:29,319 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c4a2c2c8-f388-4762-b430-e0fc4b1b5d7c/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 16:16:29,325 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:16:29,325 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 16:16:29,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:16:29,425 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 16:16:29,741 INFO L134 CoverageAnalysis]: Checked inductivity of 2067 backedges. 908 proven. 54 refuted. 0 times theorem prover too weak. 1105 trivial. 0 not checked. [2018-12-09 16:16:29,741 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 16:16:30,127 INFO L134 CoverageAnalysis]: Checked inductivity of 2067 backedges. 960 proven. 2 refuted. 0 times theorem prover too weak. 1105 trivial. 0 not checked. [2018-12-09 16:16:30,141 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 16:16:30,142 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 12 [2018-12-09 16:16:30,142 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 16:16:30,142 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 16:16:30,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 16:16:30,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2018-12-09 16:16:30,143 INFO L87 Difference]: Start difference. First operand 8414 states and 10119 transitions. Second operand 10 states. [2018-12-09 16:16:34,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:16:34,152 INFO L93 Difference]: Finished difference Result 21038 states and 25885 transitions. [2018-12-09 16:16:34,153 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-12-09 16:16:34,153 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 947 [2018-12-09 16:16:34,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:16:34,172 INFO L225 Difference]: With dead ends: 21038 [2018-12-09 16:16:34,172 INFO L226 Difference]: Without dead ends: 12233 [2018-12-09 16:16:34,185 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1940 GetRequests, 1907 SyntacticMatches, 4 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=215, Invalid=715, Unknown=0, NotChecked=0, Total=930 [2018-12-09 16:16:34,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12233 states. [2018-12-09 16:16:34,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12233 to 11183. [2018-12-09 16:16:34,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11183 states. [2018-12-09 16:16:34,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11183 states to 11183 states and 13003 transitions. [2018-12-09 16:16:34,358 INFO L78 Accepts]: Start accepts. Automaton has 11183 states and 13003 transitions. Word has length 947 [2018-12-09 16:16:34,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:16:34,358 INFO L480 AbstractCegarLoop]: Abstraction has 11183 states and 13003 transitions. [2018-12-09 16:16:34,358 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 16:16:34,359 INFO L276 IsEmpty]: Start isEmpty. Operand 11183 states and 13003 transitions. [2018-12-09 16:16:34,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 986 [2018-12-09 16:16:34,367 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:16:34,368 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 16:16:34,368 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:16:34,368 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:16:34,368 INFO L82 PathProgramCache]: Analyzing trace with hash 1726779679, now seen corresponding path program 1 times [2018-12-09 16:16:34,368 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 16:16:34,369 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:16:34,369 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:16:34,369 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:16:34,369 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 16:16:34,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:16:34,888 INFO L134 CoverageAnalysis]: Checked inductivity of 1865 backedges. 966 proven. 2 refuted. 0 times theorem prover too weak. 897 trivial. 0 not checked. [2018-12-09 16:16:34,888 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:16:34,888 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 16:16:34,888 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 986 with the following transitions: [2018-12-09 16:16:34,888 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [583], [585], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1044], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1188], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 16:16:34,890 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 16:16:34,890 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 16:16:35,352 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 16:16:35,352 INFO L272 AbstractInterpreter]: Visited 251 different actions 1003 times. Merged at 9 different actions 31 times. Widened at 1 different actions 1 times. Performed 11790 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11790 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 10 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-09 16:16:35,353 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:16:35,354 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 16:16:35,354 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:16:35,354 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c4a2c2c8-f388-4762-b430-e0fc4b1b5d7c/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 16:16:35,360 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:16:35,361 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 16:16:35,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:16:35,463 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 16:16:35,786 INFO L134 CoverageAnalysis]: Checked inductivity of 1865 backedges. 966 proven. 2 refuted. 0 times theorem prover too weak. 897 trivial. 0 not checked. [2018-12-09 16:16:35,786 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 16:16:36,132 INFO L134 CoverageAnalysis]: Checked inductivity of 1865 backedges. 966 proven. 2 refuted. 0 times theorem prover too weak. 897 trivial. 0 not checked. [2018-12-09 16:16:36,147 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 16:16:36,147 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-12-09 16:16:36,147 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 16:16:36,148 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 16:16:36,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 16:16:36,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-12-09 16:16:36,148 INFO L87 Difference]: Start difference. First operand 11183 states and 13003 transitions. Second operand 9 states. [2018-12-09 16:16:39,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:16:39,807 INFO L93 Difference]: Finished difference Result 30973 states and 39966 transitions. [2018-12-09 16:16:39,808 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-09 16:16:39,808 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 985 [2018-12-09 16:16:39,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:16:39,851 INFO L225 Difference]: With dead ends: 30973 [2018-12-09 16:16:39,851 INFO L226 Difference]: Without dead ends: 15541 [2018-12-09 16:16:39,878 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1994 GetRequests, 1974 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=135, Invalid=285, Unknown=0, NotChecked=0, Total=420 [2018-12-09 16:16:39,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15541 states. [2018-12-09 16:16:40,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15541 to 15259. [2018-12-09 16:16:40,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15259 states. [2018-12-09 16:16:40,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15259 states to 15259 states and 18058 transitions. [2018-12-09 16:16:40,362 INFO L78 Accepts]: Start accepts. Automaton has 15259 states and 18058 transitions. Word has length 985 [2018-12-09 16:16:40,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:16:40,362 INFO L480 AbstractCegarLoop]: Abstraction has 15259 states and 18058 transitions. [2018-12-09 16:16:40,362 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 16:16:40,362 INFO L276 IsEmpty]: Start isEmpty. Operand 15259 states and 18058 transitions. [2018-12-09 16:16:40,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1256 [2018-12-09 16:16:40,378 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:16:40,379 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 16:16:40,379 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:16:40,379 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:16:40,379 INFO L82 PathProgramCache]: Analyzing trace with hash 327969956, now seen corresponding path program 1 times [2018-12-09 16:16:40,379 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 16:16:40,380 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:16:40,380 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:16:40,380 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:16:40,380 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 16:16:40,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:16:41,059 INFO L134 CoverageAnalysis]: Checked inductivity of 3750 backedges. 1410 proven. 2 refuted. 0 times theorem prover too weak. 2338 trivial. 0 not checked. [2018-12-09 16:16:41,059 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:16:41,060 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 16:16:41,060 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1256 with the following transitions: [2018-12-09 16:16:41,060 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [583], [585], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1044], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1188], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 16:16:41,062 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 16:16:41,062 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 16:16:41,489 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 16:16:41,489 INFO L272 AbstractInterpreter]: Visited 254 different actions 1018 times. Merged at 11 different actions 34 times. Never widened. Performed 11922 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11922 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 14 fixpoints after 4 different actions. Largest state had 24 variables. [2018-12-09 16:16:41,490 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:16:41,490 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 16:16:41,490 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:16:41,490 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c4a2c2c8-f388-4762-b430-e0fc4b1b5d7c/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 16:16:41,497 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:16:41,497 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 16:16:41,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:16:41,634 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 16:16:42,067 INFO L134 CoverageAnalysis]: Checked inductivity of 3750 backedges. 1410 proven. 2 refuted. 0 times theorem prover too weak. 2338 trivial. 0 not checked. [2018-12-09 16:16:42,067 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 16:16:42,582 INFO L134 CoverageAnalysis]: Checked inductivity of 3750 backedges. 1410 proven. 2 refuted. 0 times theorem prover too weak. 2338 trivial. 0 not checked. [2018-12-09 16:16:42,599 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 16:16:42,599 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-09 16:16:42,600 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 16:16:42,600 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 16:16:42,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 16:16:42,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-12-09 16:16:42,600 INFO L87 Difference]: Start difference. First operand 15259 states and 18058 transitions. Second operand 9 states. [2018-12-09 16:16:44,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:16:44,861 INFO L93 Difference]: Finished difference Result 28944 states and 33851 transitions. [2018-12-09 16:16:44,861 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-09 16:16:44,861 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1255 [2018-12-09 16:16:44,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:16:44,885 INFO L225 Difference]: With dead ends: 28944 [2018-12-09 16:16:44,885 INFO L226 Difference]: Without dead ends: 13978 [2018-12-09 16:16:44,909 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2537 GetRequests, 2515 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=145, Invalid=317, Unknown=0, NotChecked=0, Total=462 [2018-12-09 16:16:44,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13978 states. [2018-12-09 16:16:45,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13978 to 13471. [2018-12-09 16:16:45,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13471 states. [2018-12-09 16:16:45,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13471 states to 13471 states and 14492 transitions. [2018-12-09 16:16:45,043 INFO L78 Accepts]: Start accepts. Automaton has 13471 states and 14492 transitions. Word has length 1255 [2018-12-09 16:16:45,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:16:45,044 INFO L480 AbstractCegarLoop]: Abstraction has 13471 states and 14492 transitions. [2018-12-09 16:16:45,044 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 16:16:45,044 INFO L276 IsEmpty]: Start isEmpty. Operand 13471 states and 14492 transitions. [2018-12-09 16:16:45,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1353 [2018-12-09 16:16:45,062 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:16:45,062 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 16:16:45,062 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:16:45,062 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:16:45,062 INFO L82 PathProgramCache]: Analyzing trace with hash 656434981, now seen corresponding path program 1 times [2018-12-09 16:16:45,063 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 16:16:45,063 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:16:45,063 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:16:45,063 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:16:45,063 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 16:16:45,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:16:45,716 INFO L134 CoverageAnalysis]: Checked inductivity of 3791 backedges. 461 proven. 0 refuted. 0 times theorem prover too weak. 3330 trivial. 0 not checked. [2018-12-09 16:16:45,716 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 16:16:45,716 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 16:16:45,716 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 16:16:45,717 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 16:16:45,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 16:16:45,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-09 16:16:45,717 INFO L87 Difference]: Start difference. First operand 13471 states and 14492 transitions. Second operand 4 states. [2018-12-09 16:16:46,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:16:46,533 INFO L93 Difference]: Finished difference Result 23192 states and 25075 transitions. [2018-12-09 16:16:46,533 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 16:16:46,533 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1352 [2018-12-09 16:16:46,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:16:46,546 INFO L225 Difference]: With dead ends: 23192 [2018-12-09 16:16:46,546 INFO L226 Difference]: Without dead ends: 10363 [2018-12-09 16:16:46,558 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 [2018-12-09 16:16:46,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10363 states. [2018-12-09 16:16:46,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10363 to 10363. [2018-12-09 16:16:46,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10363 states. [2018-12-09 16:16:46,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10363 states to 10363 states and 11050 transitions. [2018-12-09 16:16:46,650 INFO L78 Accepts]: Start accepts. Automaton has 10363 states and 11050 transitions. Word has length 1352 [2018-12-09 16:16:46,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:16:46,651 INFO L480 AbstractCegarLoop]: Abstraction has 10363 states and 11050 transitions. [2018-12-09 16:16:46,651 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 16:16:46,651 INFO L276 IsEmpty]: Start isEmpty. Operand 10363 states and 11050 transitions. [2018-12-09 16:16:46,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1471 [2018-12-09 16:16:46,667 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:16:46,667 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-09 16:16:46,667 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:16:46,667 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:16:46,668 INFO L82 PathProgramCache]: Analyzing trace with hash 362022532, now seen corresponding path program 1 times [2018-12-09 16:16:46,668 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 16:16:46,668 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:16:46,668 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:16:46,668 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:16:46,668 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 16:16:46,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:16:47,568 INFO L134 CoverageAnalysis]: Checked inductivity of 4974 backedges. 1666 proven. 2 refuted. 0 times theorem prover too weak. 3306 trivial. 0 not checked. [2018-12-09 16:16:47,568 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:16:47,568 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 16:16:47,568 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1471 with the following transitions: [2018-12-09 16:16:47,568 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [583], [585], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1044], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1188], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1256], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 16:16:47,570 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 16:16:47,570 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 16:16:48,083 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 16:16:48,084 INFO L272 AbstractInterpreter]: Visited 255 different actions 1022 times. Merged at 11 different actions 34 times. Never widened. Performed 11967 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11967 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 15 fixpoints after 5 different actions. Largest state had 24 variables. [2018-12-09 16:16:48,086 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:16:48,086 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 16:16:48,086 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:16:48,086 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c4a2c2c8-f388-4762-b430-e0fc4b1b5d7c/bin-2019/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 16:16:48,092 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:16:48,092 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 16:16:48,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:16:48,262 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 16:16:48,791 INFO L134 CoverageAnalysis]: Checked inductivity of 4974 backedges. 1666 proven. 2 refuted. 0 times theorem prover too weak. 3306 trivial. 0 not checked. [2018-12-09 16:16:48,791 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 16:16:49,553 INFO L134 CoverageAnalysis]: Checked inductivity of 4974 backedges. 1666 proven. 2 refuted. 0 times theorem prover too weak. 3306 trivial. 0 not checked. [2018-12-09 16:16:49,568 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 16:16:49,568 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 11 [2018-12-09 16:16:49,569 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 16:16:49,569 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 16:16:49,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 16:16:49,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-12-09 16:16:49,570 INFO L87 Difference]: Start difference. First operand 10363 states and 11050 transitions. Second operand 10 states. [2018-12-09 16:16:51,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:16:51,758 INFO L93 Difference]: Finished difference Result 21759 states and 23234 transitions. [2018-12-09 16:16:51,758 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-09 16:16:51,758 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 1470 [2018-12-09 16:16:51,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:16:51,773 INFO L225 Difference]: With dead ends: 21759 [2018-12-09 16:16:51,773 INFO L226 Difference]: Without dead ends: 11739 [2018-12-09 16:16:51,784 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2961 GetRequests, 2942 SyntacticMatches, 4 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2018-12-09 16:16:51,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11739 states. [2018-12-09 16:16:51,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11739 to 11733. [2018-12-09 16:16:51,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11733 states. [2018-12-09 16:16:51,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11733 states to 11733 states and 12269 transitions. [2018-12-09 16:16:51,898 INFO L78 Accepts]: Start accepts. Automaton has 11733 states and 12269 transitions. Word has length 1470 [2018-12-09 16:16:51,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:16:51,899 INFO L480 AbstractCegarLoop]: Abstraction has 11733 states and 12269 transitions. [2018-12-09 16:16:51,899 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 16:16:51,899 INFO L276 IsEmpty]: Start isEmpty. Operand 11733 states and 12269 transitions. [2018-12-09 16:16:51,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1668 [2018-12-09 16:16:51,917 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:16:51,918 INFO L402 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 16:16:51,918 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:16:51,918 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:16:51,918 INFO L82 PathProgramCache]: Analyzing trace with hash 1357844290, now seen corresponding path program 1 times [2018-12-09 16:16:51,918 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 16:16:51,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:16:51,919 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:16:51,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:16:51,919 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 16:16:51,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:16:52,916 INFO L134 CoverageAnalysis]: Checked inductivity of 6279 backedges. 1669 proven. 158 refuted. 0 times theorem prover too weak. 4452 trivial. 0 not checked. [2018-12-09 16:16:52,916 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:16:52,916 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 16:16:52,917 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1668 with the following transitions: [2018-12-09 16:16:52,917 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [583], [585], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1028], [1029], [1033], [1037], [1041], [1044], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1188], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1412], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 16:16:52,919 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 16:16:52,919 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 16:16:53,362 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 16:16:53,362 INFO L272 AbstractInterpreter]: Visited 271 different actions 1088 times. Merged at 12 different actions 36 times. Never widened. Performed 12913 root evaluator evaluations with a maximum evaluation depth of 18. Performed 12913 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 16 fixpoints after 6 different actions. Largest state had 24 variables. [2018-12-09 16:16:53,364 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:16:53,364 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 16:16:53,364 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:16:53,364 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c4a2c2c8-f388-4762-b430-e0fc4b1b5d7c/bin-2019/utaipan/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 16:16:53,369 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:16:53,369 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 16:16:53,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:16:53,535 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 16:16:54,236 INFO L134 CoverageAnalysis]: Checked inductivity of 6279 backedges. 2891 proven. 2 refuted. 0 times theorem prover too weak. 3386 trivial. 0 not checked. [2018-12-09 16:16:54,236 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 16:16:55,031 INFO L134 CoverageAnalysis]: Checked inductivity of 6279 backedges. 1669 proven. 158 refuted. 0 times theorem prover too weak. 4452 trivial. 0 not checked. [2018-12-09 16:16:55,046 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 16:16:55,046 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-09 16:16:55,046 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 16:16:55,047 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 16:16:55,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 16:16:55,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-12-09 16:16:55,047 INFO L87 Difference]: Start difference. First operand 11733 states and 12269 transitions. Second operand 9 states. [2018-12-09 16:16:56,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:16:56,299 INFO L93 Difference]: Finished difference Result 20991 states and 21850 transitions. [2018-12-09 16:16:56,299 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-09 16:16:56,299 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1667 [2018-12-09 16:16:56,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:16:56,311 INFO L225 Difference]: With dead ends: 20991 [2018-12-09 16:16:56,311 INFO L226 Difference]: Without dead ends: 11298 [2018-12-09 16:16:56,320 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3351 GetRequests, 3335 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2018-12-09 16:16:56,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11298 states. [2018-12-09 16:16:56,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11298 to 10941. [2018-12-09 16:16:56,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10941 states. [2018-12-09 16:16:56,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10941 states to 10941 states and 11188 transitions. [2018-12-09 16:16:56,401 INFO L78 Accepts]: Start accepts. Automaton has 10941 states and 11188 transitions. Word has length 1667 [2018-12-09 16:16:56,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:16:56,402 INFO L480 AbstractCegarLoop]: Abstraction has 10941 states and 11188 transitions. [2018-12-09 16:16:56,402 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 16:16:56,402 INFO L276 IsEmpty]: Start isEmpty. Operand 10941 states and 11188 transitions. [2018-12-09 16:16:56,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1807 [2018-12-09 16:16:56,419 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:16:56,420 INFO L402 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 16:16:56,420 INFO L423 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:16:56,420 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:16:56,420 INFO L82 PathProgramCache]: Analyzing trace with hash -1469099084, now seen corresponding path program 1 times [2018-12-09 16:16:56,420 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 16:16:56,421 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:16:56,421 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:16:56,421 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:16:56,421 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 16:16:56,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:16:59,324 INFO L134 CoverageAnalysis]: Checked inductivity of 6437 backedges. 2478 proven. 1143 refuted. 0 times theorem prover too weak. 2816 trivial. 0 not checked. [2018-12-09 16:16:59,324 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:16:59,324 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 16:16:59,324 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1807 with the following transitions: [2018-12-09 16:16:59,325 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [173], [179], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [583], [585], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1044], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1188], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1256], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1533], [1537], [1541], [1545], [1549], [1551], [1552], [1556], [1565], [1569], [1571], [1576], [1577], [1578], [1579], [1580], [1582], [1583] [2018-12-09 16:16:59,327 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 16:16:59,327 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 16:16:59,987 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 16:16:59,987 INFO L272 AbstractInterpreter]: Visited 353 different actions 1410 times. Merged at 11 different actions 39 times. Never widened. Performed 17383 root evaluator evaluations with a maximum evaluation depth of 18. Performed 17383 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 16 fixpoints after 7 different actions. Largest state had 24 variables. [2018-12-09 16:16:59,990 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:16:59,990 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 16:16:59,990 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:16:59,990 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c4a2c2c8-f388-4762-b430-e0fc4b1b5d7c/bin-2019/utaipan/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 16:16:59,996 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:16:59,996 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 16:17:00,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:17:00,173 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 16:17:01,207 INFO L134 CoverageAnalysis]: Checked inductivity of 6437 backedges. 2588 proven. 2 refuted. 0 times theorem prover too weak. 3847 trivial. 0 not checked. [2018-12-09 16:17:01,207 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 16:17:03,376 INFO L134 CoverageAnalysis]: Checked inductivity of 6437 backedges. 583 proven. 2423 refuted. 0 times theorem prover too weak. 3431 trivial. 0 not checked. [2018-12-09 16:17:03,392 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 16:17:03,393 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 8, 8] total 25 [2018-12-09 16:17:03,393 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 16:17:03,394 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-12-09 16:17:03,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-12-09 16:17:03,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=500, Unknown=0, NotChecked=0, Total=600 [2018-12-09 16:17:03,394 INFO L87 Difference]: Start difference. First operand 10941 states and 11188 transitions. Second operand 20 states. [2018-12-09 16:17:07,090 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 44 [2018-12-09 16:17:10,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:17:10,290 INFO L93 Difference]: Finished difference Result 20247 states and 20768 transitions. [2018-12-09 16:17:10,291 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-12-09 16:17:10,291 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 1806 [2018-12-09 16:17:10,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:17:10,304 INFO L225 Difference]: With dead ends: 20247 [2018-12-09 16:17:10,304 INFO L226 Difference]: Without dead ends: 11346 [2018-12-09 16:17:10,312 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3701 GetRequests, 3635 SyntacticMatches, 3 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1049 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=770, Invalid=3390, Unknown=0, NotChecked=0, Total=4160 [2018-12-09 16:17:10,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11346 states. [2018-12-09 16:17:10,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11346 to 11290. [2018-12-09 16:17:10,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11290 states. [2018-12-09 16:17:10,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11290 states to 11290 states and 11525 transitions. [2018-12-09 16:17:10,402 INFO L78 Accepts]: Start accepts. Automaton has 11290 states and 11525 transitions. Word has length 1806 [2018-12-09 16:17:10,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:17:10,402 INFO L480 AbstractCegarLoop]: Abstraction has 11290 states and 11525 transitions. [2018-12-09 16:17:10,402 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-12-09 16:17:10,402 INFO L276 IsEmpty]: Start isEmpty. Operand 11290 states and 11525 transitions. [2018-12-09 16:17:10,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1968 [2018-12-09 16:17:10,421 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:17:10,422 INFO L402 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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, 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 16:17:10,422 INFO L423 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:17:10,422 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:17:10,422 INFO L82 PathProgramCache]: Analyzing trace with hash -621095520, now seen corresponding path program 1 times [2018-12-09 16:17:10,422 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 16:17:10,423 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:17:10,423 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:17:10,423 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:17:10,423 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 16:17:10,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:17:11,871 INFO L134 CoverageAnalysis]: Checked inductivity of 7485 backedges. 2082 proven. 2 refuted. 0 times theorem prover too weak. 5401 trivial. 0 not checked. [2018-12-09 16:17:11,872 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:17:11,872 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 16:17:11,872 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1968 with the following transitions: [2018-12-09 16:17:11,872 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [583], [585], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [680], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [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], [1028], [1029], [1033], [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], [1188], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [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] [2018-12-09 16:17:11,874 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 16:17:11,874 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 16:17:12,709 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 16:17:12,709 INFO L272 AbstractInterpreter]: Visited 290 different actions 1161 times. Merged at 11 different actions 33 times. Never widened. Performed 13974 root evaluator evaluations with a maximum evaluation depth of 22. Performed 13974 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 15 fixpoints after 7 different actions. Largest state had 24 variables. [2018-12-09 16:17:12,714 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:17:12,714 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 16:17:12,714 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:17:12,714 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c4a2c2c8-f388-4762-b430-e0fc4b1b5d7c/bin-2019/utaipan/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 16:17:12,720 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:17:12,720 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 16:17:12,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:17:12,909 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 16:17:13,804 INFO L134 CoverageAnalysis]: Checked inductivity of 7485 backedges. 2082 proven. 2 refuted. 0 times theorem prover too weak. 5401 trivial. 0 not checked. [2018-12-09 16:17:13,804 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 16:17:15,031 INFO L134 CoverageAnalysis]: Checked inductivity of 7485 backedges. 2082 proven. 2 refuted. 0 times theorem prover too weak. 5401 trivial. 0 not checked. [2018-12-09 16:17:15,047 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 16:17:15,047 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 8 [2018-12-09 16:17:15,047 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 16:17:15,048 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 16:17:15,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 16:17:15,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-12-09 16:17:15,049 INFO L87 Difference]: Start difference. First operand 11290 states and 11525 transitions. Second operand 7 states. [2018-12-09 16:17:16,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:17:16,726 INFO L93 Difference]: Finished difference Result 23942 states and 24528 transitions. [2018-12-09 16:17:16,726 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 16:17:16,726 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1967 [2018-12-09 16:17:16,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:17:16,742 INFO L225 Difference]: With dead ends: 23942 [2018-12-09 16:17:16,742 INFO L226 Difference]: Without dead ends: 15039 [2018-12-09 16:17:16,749 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3947 GetRequests, 3935 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2018-12-09 16:17:16,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15039 states. [2018-12-09 16:17:16,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15039 to 14351. [2018-12-09 16:17:16,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14351 states. [2018-12-09 16:17:16,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14351 states to 14351 states and 14681 transitions. [2018-12-09 16:17:16,863 INFO L78 Accepts]: Start accepts. Automaton has 14351 states and 14681 transitions. Word has length 1967 [2018-12-09 16:17:16,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:17:16,864 INFO L480 AbstractCegarLoop]: Abstraction has 14351 states and 14681 transitions. [2018-12-09 16:17:16,864 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 16:17:16,864 INFO L276 IsEmpty]: Start isEmpty. Operand 14351 states and 14681 transitions. [2018-12-09 16:17:16,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2015 [2018-12-09 16:17:16,886 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:17:16,886 INFO L402 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 16:17:16,886 INFO L423 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:17:16,886 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:17:16,887 INFO L82 PathProgramCache]: Analyzing trace with hash -1039658133, now seen corresponding path program 1 times [2018-12-09 16:17:16,887 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 16:17:16,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:17:16,887 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:17:16,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:17:16,887 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 16:17:16,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:17:19,287 INFO L134 CoverageAnalysis]: Checked inductivity of 7757 backedges. 1381 proven. 961 refuted. 0 times theorem prover too weak. 5415 trivial. 0 not checked. [2018-12-09 16:17:19,287 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:17:19,287 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 16:17:19,288 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 2015 with the following transitions: [2018-12-09 16:17:19,288 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [583], [585], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [680], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1056], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1188], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1216], [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] [2018-12-09 16:17:19,290 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 16:17:19,290 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 16:17:20,108 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 16:17:20,108 INFO L272 AbstractInterpreter]: Visited 290 different actions 1162 times. Merged at 11 different actions 34 times. Never widened. Performed 13989 root evaluator evaluations with a maximum evaluation depth of 22. Performed 13989 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 15 fixpoints after 8 different actions. Largest state had 24 variables. [2018-12-09 16:17:20,109 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:17:20,110 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 16:17:20,110 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:17:20,110 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c4a2c2c8-f388-4762-b430-e0fc4b1b5d7c/bin-2019/utaipan/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 16:17:20,115 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:17:20,115 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 16:17:20,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:17:20,317 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 16:17:21,598 INFO L134 CoverageAnalysis]: Checked inductivity of 7757 backedges. 5104 proven. 2 refuted. 0 times theorem prover too weak. 2651 trivial. 0 not checked. [2018-12-09 16:17:21,598 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 16:17:24,399 INFO L134 CoverageAnalysis]: Checked inductivity of 7757 backedges. 1423 proven. 885 refuted. 0 times theorem prover too weak. 5449 trivial. 0 not checked. [2018-12-09 16:17:24,415 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 16:17:24,416 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 5, 5] total 18 [2018-12-09 16:17:24,416 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 16:17:24,416 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-12-09 16:17:24,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-12-09 16:17:24,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=247, Unknown=0, NotChecked=0, Total=306 [2018-12-09 16:17:24,417 INFO L87 Difference]: Start difference. First operand 14351 states and 14681 transitions. Second operand 16 states. [2018-12-09 16:17:33,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:17:33,234 INFO L93 Difference]: Finished difference Result 28732 states and 29501 transitions. [2018-12-09 16:17:33,234 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-12-09 16:17:33,234 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 2014 [2018-12-09 16:17:33,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:17:33,236 INFO L225 Difference]: With dead ends: 28732 [2018-12-09 16:17:33,236 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 16:17:33,268 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4123 GetRequests, 4062 SyntacticMatches, 4 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 882 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=603, Invalid=2819, Unknown=0, NotChecked=0, Total=3422 [2018-12-09 16:17:33,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 16:17:33,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 16:17:33,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 16:17:33,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 16:17:33,269 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 2014 [2018-12-09 16:17:33,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:17:33,269 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 16:17:33,269 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-12-09 16:17:33,269 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 16:17:33,269 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 16:17:33,272 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 16:17:33,294 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:33,307 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:33,320 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:33,337 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:33,347 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:33,356 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:33,359 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:33,370 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:33,373 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:33,374 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:33,376 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:33,397 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:33,403 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:33,411 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:33,416 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:33,416 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:33,427 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:33,427 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:33,432 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:33,438 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:33,444 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:33,445 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:33,451 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:33,469 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:33,470 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:33,477 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:33,479 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:33,501 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:33,504 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:33,509 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:33,515 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:33,525 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:33,526 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:33,526 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:33,536 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:33,538 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:33,542 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:33,551 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:33,551 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:33,552 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:33,558 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:33,560 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:33,562 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:33,567 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:33,569 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:33,581 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:33,585 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:33,614 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:33,633 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:33,640 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:33,651 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:33,661 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:33,672 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:33,717 WARN L180 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 477 DAG size of output: 332 [2018-12-09 16:17:34,124 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:34,131 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:34,133 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:34,161 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:34,168 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:34,171 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:34,179 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:34,182 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:34,202 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:34,218 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:34,226 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:34,227 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:34,230 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:34,231 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:34,244 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:34,251 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:34,256 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:34,278 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:34,287 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:34,323 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:34,335 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:34,346 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:34,346 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:34,346 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:34,355 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:34,367 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:34,367 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:34,368 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:34,380 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:34,383 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:34,386 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:34,390 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:34,403 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:34,407 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:34,473 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:34,495 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:17:34,551 WARN L180 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 393 [2018-12-09 16:17:35,619 WARN L180 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 321 DAG size of output: 98 [2018-12-09 16:17:37,261 WARN L180 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 357 DAG size of output: 95 [2018-12-09 16:17:39,827 WARN L180 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 371 DAG size of output: 110 [2018-12-09 16:17:42,397 WARN L180 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 379 DAG size of output: 119 [2018-12-09 16:17:44,308 WARN L180 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 382 DAG size of output: 97 [2018-12-09 16:17:44,310 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 16:17:44,310 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a16~0)| ~a16~0) (= ~a18~0 |old(~a18~0)|) (= |old(~a15~0)| ~a15~0) (= |old(~a12~0)| ~a12~0)) [2018-12-09 16:17:44,310 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 16:17:44,311 INFO L448 ceAbstractionStarter]: For program point L1497(lines 1497 1763) no Hoare annotation was computed. [2018-12-09 16:17:44,311 INFO L448 ceAbstractionStarter]: For program point calculate_output2EXIT(lines 1494 1765) no Hoare annotation was computed. [2018-12-09 16:17:44,311 INFO L448 ceAbstractionStarter]: For program point L1687(lines 1687 1763) no Hoare annotation was computed. [2018-12-09 16:17:44,311 INFO L448 ceAbstractionStarter]: For program point L1704(lines 1704 1763) no Hoare annotation was computed. [2018-12-09 16:17:44,311 INFO L448 ceAbstractionStarter]: For program point L1638(lines 1638 1763) no Hoare annotation was computed. [2018-12-09 16:17:44,311 INFO L448 ceAbstractionStarter]: For program point L1663(lines 1663 1763) no Hoare annotation was computed. [2018-12-09 16:17:44,311 INFO L448 ceAbstractionStarter]: For program point L1597(lines 1597 1763) no Hoare annotation was computed. [2018-12-09 16:17:44,311 INFO L448 ceAbstractionStarter]: For program point L1721(lines 1721 1763) no Hoare annotation was computed. [2018-12-09 16:17:44,311 INFO L448 ceAbstractionStarter]: For program point L1622(lines 1622 1763) no Hoare annotation was computed. [2018-12-09 16:17:44,311 INFO L448 ceAbstractionStarter]: For program point L1746(lines 1746 1763) no Hoare annotation was computed. [2018-12-09 16:17:44,311 INFO L448 ceAbstractionStarter]: For program point L1515(lines 1515 1763) no Hoare annotation was computed. [2018-12-09 16:17:44,311 INFO L448 ceAbstractionStarter]: For program point L1573(lines 1573 1763) no Hoare annotation was computed. [2018-12-09 16:17:44,311 INFO L448 ceAbstractionStarter]: For program point L1540(lines 1540 1763) no Hoare annotation was computed. [2018-12-09 16:17:44,311 INFO L448 ceAbstractionStarter]: For program point L1656(lines 1656 1763) no Hoare annotation was computed. [2018-12-09 16:17:44,311 INFO L448 ceAbstractionStarter]: For program point L1739(lines 1739 1763) no Hoare annotation was computed. [2018-12-09 16:17:44,311 INFO L448 ceAbstractionStarter]: For program point L1566(lines 1566 1763) no Hoare annotation was computed. [2018-12-09 16:17:44,311 INFO L448 ceAbstractionStarter]: For program point L1591(lines 1591 1763) no Hoare annotation was computed. [2018-12-09 16:17:44,311 INFO L448 ceAbstractionStarter]: For program point L1715(lines 1715 1763) no Hoare annotation was computed. [2018-12-09 16:17:44,312 INFO L448 ceAbstractionStarter]: For program point L1682(lines 1682 1763) no Hoare annotation was computed. [2018-12-09 16:17:44,312 INFO L448 ceAbstractionStarter]: For program point L1616(lines 1616 1763) no Hoare annotation was computed. [2018-12-09 16:17:44,312 INFO L448 ceAbstractionStarter]: For program point L1699(lines 1699 1763) no Hoare annotation was computed. [2018-12-09 16:17:44,312 INFO L448 ceAbstractionStarter]: For program point L1633(lines 1633 1763) no Hoare annotation was computed. [2018-12-09 16:17:44,312 INFO L448 ceAbstractionStarter]: For program point L1534(lines 1534 1763) no Hoare annotation was computed. [2018-12-09 16:17:44,312 INFO L448 ceAbstractionStarter]: For program point L1757(lines 1757 1763) no Hoare annotation was computed. [2018-12-09 16:17:44,312 INFO L448 ceAbstractionStarter]: For program point L1559(lines 1559 1763) no Hoare annotation was computed. [2018-12-09 16:17:44,312 INFO L448 ceAbstractionStarter]: For program point L1675(lines 1675 1763) no Hoare annotation was computed. [2018-12-09 16:17:44,312 INFO L448 ceAbstractionStarter]: For program point L1609(lines 1609 1763) no Hoare annotation was computed. [2018-12-09 16:17:44,312 INFO L448 ceAbstractionStarter]: For program point L1510(lines 1510 1763) no Hoare annotation was computed. [2018-12-09 16:17:44,312 INFO L448 ceAbstractionStarter]: For program point L1733(lines 1733 1763) no Hoare annotation was computed. [2018-12-09 16:17:44,312 INFO L444 ceAbstractionStarter]: At program point calculate_output2ENTRY(lines 1494 1765) the Hoare annotation is: (let ((.cse2 (= 8 |old(~a12~0)|))) (let ((.cse5 (= ~a16~0 |old(~a16~0)|)) (.cse6 (= ~a18~0 |old(~a18~0)|)) (.cse19 (= 6 |old(~a12~0)|)) (.cse1 (= 4 |old(~a15~0)|)) (.cse4 (not (= 3 |old(~a15~0)|))) (.cse8 (<= |old(~a18~0)| 134)) (.cse10 (not .cse2)) (.cse9 (< 0 (+ |old(~a18~0)| 79))) (.cse22 (= |old(~a15~0)| ~a15~0)) (.cse7 (= |old(~a12~0)| ~a12~0))) (let ((.cse0 (not (= 8 |old(~a16~0)|))) (.cse3 (and (= |old(~a16~0)| ~a16~0) (<= ~a18~0 |old(~a18~0)|) .cse22 .cse7)) (.cse21 (not (= 11 |old(~a16~0)|))) (.cse13 (and (or .cse4 .cse8 .cse10) .cse9)) (.cse16 (not (= |old(~a15~0)| 3))) (.cse12 (not (= 5 |old(~a12~0)|))) (.cse11 (not .cse1)) (.cse17 (not .cse19)) (.cse15 (not (= 9 |old(~a16~0)|))) (.cse20 (< |old(~a12~0)| 6)) (.cse18 (< |old(~a16~0)| 12)) (.cse14 (and .cse22 .cse5 .cse6 .cse7))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 (and .cse5 (= 3 ~a15~0) .cse6 .cse7) (and .cse8 .cse9) .cse10) (or .cse11 .cse12 .cse13 .cse14 .cse15) (or .cse16 .cse14 .cse17 .cse18) (or .cse19 .cse20 .cse16 .cse21 .cse14) (or .cse1 .cse3 (not (= |old(~a16~0)| 10))) (or .cse11 .cse14 .cse10 .cse15) (or .cse11 .cse0 .cse12 .cse14) (or (or .cse11 (not (= 7 |old(~a12~0)|)) .cse15) .cse14) (or .cse11 .cse0 .cse20 .cse14) (or .cse11 (and .cse22 .cse6 (= ~a16~0 10) .cse7) (not (= 10 |old(~a16~0)|)) (< 7 |old(~a12~0)|)) (or .cse11 .cse20 .cse13 .cse14 .cse15) (or .cse12 .cse21 .cse16 (and .cse5 .cse6 (= ~a12~0 5) .cse22)) (or .cse19 .cse1 .cse3 .cse15) (or .cse21 .cse13 .cse16 .cse14 .cse17) (or .cse14 (or .cse4 .cse12 .cse18)) (or .cse11 .cse14 .cse17 .cse15) (or .cse20 (or .cse19 .cse1 .cse18) .cse14))))) [2018-12-09 16:17:44,312 INFO L448 ceAbstractionStarter]: For program point L1527(lines 1527 1763) no Hoare annotation was computed. [2018-12-09 16:17:44,313 INFO L448 ceAbstractionStarter]: For program point L1651(lines 1651 1763) no Hoare annotation was computed. [2018-12-09 16:17:44,313 INFO L448 ceAbstractionStarter]: For program point L1585(lines 1585 1763) no Hoare annotation was computed. [2018-12-09 16:17:44,313 INFO L448 ceAbstractionStarter]: For program point L1709(lines 1709 1763) no Hoare annotation was computed. [2018-12-09 16:17:44,313 INFO L448 ceAbstractionStarter]: For program point L1503(lines 1503 1763) no Hoare annotation was computed. [2018-12-09 16:17:44,313 INFO L448 ceAbstractionStarter]: For program point L1693(lines 1693 1763) no Hoare annotation was computed. [2018-12-09 16:17:44,313 INFO L448 ceAbstractionStarter]: For program point L1553(lines 1553 1763) no Hoare annotation was computed. [2018-12-09 16:17:44,313 INFO L448 ceAbstractionStarter]: For program point calculate_output2FINAL(lines 1494 1765) no Hoare annotation was computed. [2018-12-09 16:17:44,313 INFO L448 ceAbstractionStarter]: For program point L1669(lines 1669 1763) no Hoare annotation was computed. [2018-12-09 16:17:44,313 INFO L448 ceAbstractionStarter]: For program point L1603(lines 1603 1763) no Hoare annotation was computed. [2018-12-09 16:17:44,313 INFO L448 ceAbstractionStarter]: For program point L1727(lines 1727 1763) no Hoare annotation was computed. [2018-12-09 16:17:44,313 INFO L448 ceAbstractionStarter]: For program point L1628(lines 1628 1763) no Hoare annotation was computed. [2018-12-09 16:17:44,313 INFO L448 ceAbstractionStarter]: For program point L1752(lines 1752 1763) no Hoare annotation was computed. [2018-12-09 16:17:44,313 INFO L448 ceAbstractionStarter]: For program point L1521(lines 1521 1763) no Hoare annotation was computed. [2018-12-09 16:17:44,313 INFO L448 ceAbstractionStarter]: For program point L1645(lines 1645 1763) no Hoare annotation was computed. [2018-12-09 16:17:44,313 INFO L448 ceAbstractionStarter]: For program point L1579(lines 1579 1763) no Hoare annotation was computed. [2018-12-09 16:17:44,313 INFO L448 ceAbstractionStarter]: For program point L1546(lines 1546 1763) no Hoare annotation was computed. [2018-12-09 16:17:44,313 INFO L448 ceAbstractionStarter]: For program point L894(lines 894 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,313 INFO L448 ceAbstractionStarter]: For program point L828(lines 828 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,313 INFO L448 ceAbstractionStarter]: For program point L696(lines 696 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,313 INFO L448 ceAbstractionStarter]: For program point L1291(lines 1291 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,314 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 16:17:44,314 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 16:17:44,314 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 16:17:44,314 INFO L448 ceAbstractionStarter]: For program point L961(lines 961 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,314 INFO L448 ceAbstractionStarter]: For program point L763(lines 763 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,314 INFO L448 ceAbstractionStarter]: For program point L631(lines 631 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,314 INFO L448 ceAbstractionStarter]: For program point L367(lines 367 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,314 INFO L448 ceAbstractionStarter]: For program point L1358(lines 1358 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,314 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,314 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-12-09 16:17:44,314 INFO L448 ceAbstractionStarter]: For program point L1160(lines 1160 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,314 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-12-09 16:17:44,314 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-12-09 16:17:44,315 INFO L444 ceAbstractionStarter]: At program point L1491(line 1491) the Hoare annotation is: (let ((.cse13 (= 8 |old(~a12~0)|))) (let ((.cse15 (not (= 3 |old(~a15~0)|))) (.cse17 (<= |old(~a18~0)| 134)) (.cse19 (not .cse13)) (.cse18 (< 0 (+ |old(~a18~0)| 79))) (.cse12 (= 4 |old(~a15~0)|)) (.cse4 (= |old(~a15~0)| ~a15~0)) (.cse1 (not (= calculate_output_~input 0))) (.cse2 (= ~a16~0 |old(~a16~0)|)) (.cse3 (= ~a18~0 |old(~a18~0)|)) (.cse16 (= |old(~a12~0)| ~a12~0)) (.cse24 (= 6 |old(~a12~0)|))) (let ((.cse10 (not .cse24)) (.cse5 (not (= 11 |old(~a16~0)|))) (.cse7 (not (= |old(~a15~0)| 3))) (.cse8 (and .cse4 .cse1 .cse2 .cse3 .cse16)) (.cse11 (not (= 8 |old(~a16~0)|))) (.cse26 (= calculate_output_~input 4)) (.cse23 (not .cse12)) (.cse9 (and (or .cse15 .cse17 .cse19) .cse18)) (.cse14 (and (= |old(~a16~0)| ~a16~0) (<= ~a18~0 |old(~a18~0)|) .cse4 .cse16)) (.cse22 (not (= 9 |old(~a16~0)|))) (.cse25 (< |old(~a12~0)| 6)) (.cse21 (< |old(~a16~0)| 12)) (.cse20 (and .cse4 .cse2 .cse3 .cse16)) (.cse0 (not (= 5 |old(~a12~0)|))) (.cse6 (= |calculate_output_#in~input| 0)) (.cse27 (not (= 10 |old(~a16~0)|)))) (and (or .cse0 (and .cse1 .cse2 .cse3 (= ~a12~0 5) .cse4) .cse5 .cse6 .cse7) (or .cse6 .cse5 .cse8 .cse9 .cse7 .cse10) (or .cse11 .cse12 .cse13 .cse14) (or .cse11 .cse15 (and .cse2 (= 3 ~a15~0) .cse3 .cse16) (and .cse17 .cse18) .cse19) (or .cse7 .cse20 .cse10 .cse21) (or .cse15 .cse0 .cse1 .cse6 .cse22) (or (or .cse0 .cse7 .cse21 .cse6) (and .cse4 .cse2 .cse1 .cse3 .cse16)) (or .cse23 .cse10 .cse20 .cse22) (or .cse12 .cse14 (not (= |old(~a16~0)| 10))) (or .cse23 .cse11 .cse0 .cse20) (or .cse5 .cse6 .cse24 .cse25 .cse7 .cse8) (or .cse1 .cse6 (or .cse11 .cse15 .cse0)) (or (or .cse23 (not (= 7 |old(~a12~0)|)) .cse22) .cse20) (or .cse23 .cse11 .cse25 .cse20) (or .cse0 (not .cse26) (or .cse23 (< 0 (+ |old(~a18~0)| 388559))) .cse22) (or .cse23 .cse0 .cse9 (and (<= (+ |old(~a18~0)| 156) 0) .cse26) .cse20 .cse22) (or .cse23 .cse19 .cse20 .cse22) (or .cse23 (and .cse4 .cse3 (= ~a16~0 10) .cse16) .cse27 (< 7 |old(~a12~0)|)) (or .cse23 .cse25 .cse9 .cse20 .cse22) (or .cse24 .cse12 .cse14 .cse22) (or .cse25 (or .cse24 .cse12 .cse21) .cse20) (or .cse15 .cse0 .cse1 .cse6 .cse27))))) [2018-12-09 16:17:44,315 INFO L448 ceAbstractionStarter]: For program point L434(lines 434 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,315 INFO L448 ceAbstractionStarter]: For program point L1491-1(line 1491) no Hoare annotation was computed. [2018-12-09 16:17:44,315 INFO L448 ceAbstractionStarter]: For program point L1227(lines 1227 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,315 INFO L448 ceAbstractionStarter]: For program point L567(lines 567 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,315 INFO L448 ceAbstractionStarter]: For program point L501(lines 501 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,315 INFO L448 ceAbstractionStarter]: For program point L303(lines 303 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,315 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 16:17:44,315 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 16:17:44,315 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 16:17:44,315 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-12-09 16:17:44,315 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-12-09 16:17:44,315 INFO L448 ceAbstractionStarter]: For program point L1097(lines 1097 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,315 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-12-09 16:17:44,315 INFO L448 ceAbstractionStarter]: For program point L1031(lines 1031 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,315 INFO L448 ceAbstractionStarter]: For program point L899(lines 899 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,315 INFO L448 ceAbstractionStarter]: For program point L1428(lines 1428 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,315 INFO L448 ceAbstractionStarter]: For program point L834(lines 834 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,316 INFO L448 ceAbstractionStarter]: For program point L636(lines 636 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,316 INFO L448 ceAbstractionStarter]: For program point L1297(lines 1297 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,316 INFO L448 ceAbstractionStarter]: For program point L240(lines 240 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,316 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 16:17:44,316 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 16:17:44,316 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 16:17:44,316 INFO L448 ceAbstractionStarter]: For program point L967(lines 967 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,316 INFO L448 ceAbstractionStarter]: For program point L769(lines 769 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,316 INFO L448 ceAbstractionStarter]: For program point L703(lines 703 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,316 INFO L448 ceAbstractionStarter]: For program point L373(lines 373 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,316 INFO L448 ceAbstractionStarter]: For program point L1364(lines 1364 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,316 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-12-09 16:17:44,316 INFO L448 ceAbstractionStarter]: For program point L1166(lines 1166 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,316 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-12-09 16:17:44,316 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-12-09 16:17:44,316 INFO L448 ceAbstractionStarter]: For program point L440(lines 440 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,316 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,316 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,316 INFO L448 ceAbstractionStarter]: For program point L1234(lines 1234 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,316 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 16:17:44,317 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 16:17:44,317 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 16:17:44,317 INFO L448 ceAbstractionStarter]: For program point L1036(lines 1036 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,317 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,317 INFO L448 ceAbstractionStarter]: For program point L508(lines 508 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,317 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-12-09 16:17:44,317 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-12-09 16:17:44,317 INFO L448 ceAbstractionStarter]: For program point L1103(lines 1103 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,317 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-12-09 16:17:44,317 INFO L448 ceAbstractionStarter]: For program point L905(lines 905 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,317 INFO L448 ceAbstractionStarter]: For program point L641(lines 641 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,317 INFO L448 ceAbstractionStarter]: For program point L443(lines 443 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,317 INFO L448 ceAbstractionStarter]: For program point L1434(lines 1434 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,317 INFO L448 ceAbstractionStarter]: For program point L840(lines 840 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,317 INFO L448 ceAbstractionStarter]: For program point L1303(lines 1303 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,317 INFO L448 ceAbstractionStarter]: For program point L246(lines 246 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,317 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 16:17:44,317 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 16:17:44,318 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 16:17:44,318 INFO L448 ceAbstractionStarter]: For program point L775(lines 775 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,318 INFO L448 ceAbstractionStarter]: For program point L1370(lines 1370 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,318 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-12-09 16:17:44,318 INFO L448 ceAbstractionStarter]: For program point L1172(lines 1172 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,318 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-12-09 16:17:44,318 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-12-09 16:17:44,318 INFO L448 ceAbstractionStarter]: For program point L974(lines 974 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,318 INFO L448 ceAbstractionStarter]: For program point L578(lines 578 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,318 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,318 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,318 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 16:17:44,318 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 16:17:44,318 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 16:17:44,318 INFO L448 ceAbstractionStarter]: For program point L1042(lines 1042 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,318 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 23 1492) no Hoare annotation was computed. [2018-12-09 16:17:44,318 INFO L448 ceAbstractionStarter]: For program point L778(lines 778 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,318 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,318 INFO L448 ceAbstractionStarter]: For program point L1241(lines 1241 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,319 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-12-09 16:17:44,319 INFO L448 ceAbstractionStarter]: For program point L1175(lines 1175 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,319 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-12-09 16:17:44,319 INFO L448 ceAbstractionStarter]: For program point L1109(lines 1109 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,319 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-12-09 16:17:44,319 INFO L448 ceAbstractionStarter]: For program point L515(lines 515 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,319 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,319 INFO L448 ceAbstractionStarter]: For program point L1440(lines 1440 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,319 INFO L448 ceAbstractionStarter]: For program point L912(lines 912 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,319 INFO L448 ceAbstractionStarter]: For program point L846(lines 846 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,319 INFO L448 ceAbstractionStarter]: For program point L648(lines 648 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,319 INFO L448 ceAbstractionStarter]: For program point L1375(lines 1375 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,319 INFO L448 ceAbstractionStarter]: For program point L1309(lines 1309 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,319 INFO L448 ceAbstractionStarter]: For program point L252(lines 252 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,319 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 16:17:44,319 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 16:17:44,319 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 16:17:44,319 INFO L448 ceAbstractionStarter]: For program point L979(lines 979 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,319 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-12-09 16:17:44,319 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-12-09 16:17:44,320 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-12-09 16:17:44,320 INFO L448 ceAbstractionStarter]: For program point L584(lines 584 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,320 INFO L448 ceAbstractionStarter]: For program point L386(lines 386 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,320 INFO L448 ceAbstractionStarter]: For program point L717(lines 717 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,320 INFO L448 ceAbstractionStarter]: For program point L321(lines 321 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,320 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 16:17:44,320 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 16:17:44,320 INFO L448 ceAbstractionStarter]: For program point L1114(lines 1114 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,320 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 16:17:44,320 INFO L448 ceAbstractionStarter]: For program point L1048(lines 1048 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,320 INFO L448 ceAbstractionStarter]: For program point L784(lines 784 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,320 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,320 INFO L448 ceAbstractionStarter]: For program point L1247(lines 1247 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,320 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-12-09 16:17:44,320 INFO L448 ceAbstractionStarter]: For program point L1181(lines 1181 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,320 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-12-09 16:17:44,320 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-12-09 16:17:44,320 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 175) no Hoare annotation was computed. [2018-12-09 16:17:44,321 INFO L448 ceAbstractionStarter]: For program point L917(lines 917 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,321 INFO L448 ceAbstractionStarter]: For program point L851(lines 851 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,321 INFO L448 ceAbstractionStarter]: For program point L521(lines 521 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,321 INFO L448 ceAbstractionStarter]: For program point L1446(lines 1446 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,321 INFO L448 ceAbstractionStarter]: For program point L1314(lines 1314 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,321 INFO L448 ceAbstractionStarter]: For program point L257(lines 257 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,321 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 23 1492) the Hoare annotation is: (let ((.cse6 (= 8 |old(~a12~0)|))) (let ((.cse14 (= ~a16~0 |old(~a16~0)|)) (.cse15 (= ~a18~0 |old(~a18~0)|)) (.cse10 (= 6 |old(~a12~0)|)) (.cse5 (= 4 |old(~a15~0)|)) (.cse13 (not (= 3 |old(~a15~0)|))) (.cse17 (<= |old(~a18~0)| 134)) (.cse19 (not .cse6)) (.cse18 (< 0 (+ |old(~a18~0)| 79))) (.cse22 (= |old(~a15~0)| ~a15~0)) (.cse16 (= |old(~a12~0)| ~a12~0))) (let ((.cse4 (not (= 8 |old(~a16~0)|))) (.cse0 (not (= 5 |old(~a12~0)|))) (.cse7 (and (= |old(~a16~0)| ~a16~0) (<= ~a18~0 |old(~a18~0)|) .cse22 .cse16)) (.cse9 (= |calculate_output_#in~input| 0)) (.cse8 (not (= 11 |old(~a16~0)|))) (.cse23 (and (or .cse13 .cse17 .cse19) .cse18)) (.cse12 (not (= |old(~a15~0)| 3))) (.cse1 (not .cse5)) (.cse20 (not .cse10)) (.cse3 (not (= 9 |old(~a16~0)|))) (.cse11 (< |old(~a12~0)| 6)) (.cse21 (< |old(~a16~0)| 12)) (.cse2 (and .cse22 .cse14 .cse15 .cse16))) (and (or .cse0 (or .cse1 (< 0 (+ |old(~a18~0)| 388559))) .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse7) (or .cse8 .cse9 .cse10 .cse2 .cse11 .cse12) (or .cse4 .cse13 (and .cse14 (= 3 ~a15~0) .cse15 .cse16) (and .cse17 .cse18) .cse19) (or .cse12 .cse2 .cse20 .cse21) (or .cse5 .cse7 (not (= |old(~a16~0)| 10))) (or .cse1 .cse2 .cse19 .cse3) (or .cse2 (or .cse0 .cse12 .cse21 .cse9)) (or .cse1 .cse4 .cse0 .cse2) (or (or .cse1 (not (= 7 |old(~a12~0)|)) .cse3) .cse2) (or .cse1 .cse4 .cse11 .cse2) (or .cse0 .cse8 .cse9 .cse12 (and .cse14 .cse15 (= ~a12~0 5) .cse22)) (or .cse1 .cse0 .cse23 (and (<= (+ |old(~a18~0)| 156) 0) (= calculate_output_~input 4)) .cse2 .cse3) (or .cse1 (and .cse22 .cse15 (= ~a16~0 10) .cse16) (not (= 10 |old(~a16~0)|)) (< 7 |old(~a12~0)|)) (or .cse1 .cse11 .cse23 .cse2 .cse3) (or .cse10 .cse5 .cse7 .cse3) (or .cse9 .cse2 .cse8 .cse23 .cse12 .cse20) (or .cse1 .cse2 .cse20 .cse3) (or .cse11 (or .cse10 .cse5 .cse21) .cse2))))) [2018-12-09 16:17:44,321 INFO L448 ceAbstractionStarter]: For program point L1381(lines 1381 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,321 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 16:17:44,321 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 16:17:44,321 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 16:17:44,321 INFO L448 ceAbstractionStarter]: For program point L655(lines 655 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,321 INFO L448 ceAbstractionStarter]: For program point L589(lines 589 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,322 INFO L448 ceAbstractionStarter]: For program point L457(lines 457 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,322 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,322 INFO L448 ceAbstractionStarter]: For program point L1250(lines 1250 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,322 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-12-09 16:17:44,322 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-12-09 16:17:44,322 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-12-09 16:17:44,322 INFO L448 ceAbstractionStarter]: For program point L986(lines 986 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,322 INFO L448 ceAbstractionStarter]: For program point L1449(lines 1449 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,322 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,322 INFO L448 ceAbstractionStarter]: For program point L723(lines 723 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,322 INFO L448 ceAbstractionStarter]: For program point L327(lines 327 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,322 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 16:17:44,322 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 16:17:44,322 INFO L448 ceAbstractionStarter]: For program point L1120(lines 1120 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,322 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 16:17:44,322 INFO L448 ceAbstractionStarter]: For program point L922(lines 922 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,322 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,322 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-12-09 16:17:44,322 INFO L448 ceAbstractionStarter]: For program point L1187(lines 1187 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,323 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-09 16:17:44,323 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-12-09 16:17:44,323 INFO L448 ceAbstractionStarter]: For program point L1055(lines 1055 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,323 INFO L448 ceAbstractionStarter]: For program point L857(lines 857 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,323 INFO L448 ceAbstractionStarter]: For program point L527(lines 527 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,323 INFO L448 ceAbstractionStarter]: For program point L1386(lines 1386 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,323 INFO L448 ceAbstractionStarter]: For program point L594(lines 594 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,323 INFO L448 ceAbstractionStarter]: For program point L1321(lines 1321 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,323 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 16:17:44,323 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 16:17:44,323 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 16:17:44,323 INFO L448 ceAbstractionStarter]: For program point L661(lines 661 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,323 INFO L448 ceAbstractionStarter]: For program point L463(lines 463 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,323 INFO L448 ceAbstractionStarter]: For program point L1256(lines 1256 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,323 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-12-09 16:17:44,323 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-12-09 16:17:44,323 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-12-09 16:17:44,323 INFO L448 ceAbstractionStarter]: For program point L728(lines 728 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,323 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,324 INFO L448 ceAbstractionStarter]: For program point L1125(lines 1125 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,324 INFO L448 ceAbstractionStarter]: For program point L993(lines 993 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,324 INFO L448 ceAbstractionStarter]: For program point L1456(lines 1456 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,324 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,324 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 16:17:44,324 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 16:17:44,324 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 16:17:44,324 INFO L448 ceAbstractionStarter]: For program point L796(lines 796 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,324 INFO L448 ceAbstractionStarter]: For program point L664(lines 664 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,324 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,324 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-12-09 16:17:44,324 INFO L448 ceAbstractionStarter]: For program point L1193(lines 1193 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,324 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-12-09 16:17:44,324 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-12-09 16:17:44,324 INFO L448 ceAbstractionStarter]: For program point L1061(lines 1061 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,325 INFO L448 ceAbstractionStarter]: For program point L929(lines 929 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,325 INFO L448 ceAbstractionStarter]: For program point L863(lines 863 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,325 INFO L448 ceAbstractionStarter]: For program point L533(lines 533 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,325 INFO L448 ceAbstractionStarter]: For program point L1392(lines 1392 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,325 INFO L448 ceAbstractionStarter]: For program point L600(lines 600 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,325 INFO L448 ceAbstractionStarter]: For program point L1327(lines 1327 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,325 INFO L448 ceAbstractionStarter]: For program point L204-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 16:17:44,325 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 16:17:44,325 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 16:17:44,325 INFO L448 ceAbstractionStarter]: For program point L469(lines 469 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,325 INFO L448 ceAbstractionStarter]: For program point L1262(lines 1262 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,325 INFO L448 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2018-12-09 16:17:44,325 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-09 16:17:44,325 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-12-09 16:17:44,325 INFO L448 ceAbstractionStarter]: For program point L734(lines 734 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,325 INFO L448 ceAbstractionStarter]: For program point L1461(lines 1461 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,325 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,325 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,326 INFO L448 ceAbstractionStarter]: For program point L1131(lines 1131 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,326 INFO L448 ceAbstractionStarter]: For program point L999(lines 999 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,326 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 16:17:44,326 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 16:17:44,326 INFO L448 ceAbstractionStarter]: For program point L802(lines 802 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,326 INFO L448 ceAbstractionStarter]: For program point L670(lines 670 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,326 INFO L448 ceAbstractionStarter]: For program point L538(lines 538 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,326 INFO L448 ceAbstractionStarter]: For program point L1397(lines 1397 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,326 INFO L448 ceAbstractionStarter]: For program point L274(lines 274 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,326 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-12-09 16:17:44,326 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-12-09 16:17:44,326 INFO L448 ceAbstractionStarter]: For program point L1067(lines 1067 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,326 INFO L448 ceAbstractionStarter]: For program point L935(lines 935 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,326 INFO L448 ceAbstractionStarter]: For program point L869(lines 869 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,326 INFO L448 ceAbstractionStarter]: For program point L1200(lines 1200 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,326 INFO L448 ceAbstractionStarter]: For program point L606(lines 606 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,326 INFO L448 ceAbstractionStarter]: For program point L1267(lines 1267 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,326 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 16:17:44,327 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 16:17:44,327 INFO L448 ceAbstractionStarter]: For program point L1466(lines 1466 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,327 INFO L448 ceAbstractionStarter]: For program point L1334(lines 1334 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,327 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-12-09 16:17:44,327 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-12-09 16:17:44,327 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,327 INFO L448 ceAbstractionStarter]: For program point L1137(lines 1137 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,327 INFO L448 ceAbstractionStarter]: For program point L1005(lines 1005 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,327 INFO L448 ceAbstractionStarter]: For program point L741(lines 741 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,327 INFO L448 ceAbstractionStarter]: For program point L543(lines 543 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,327 INFO L448 ceAbstractionStarter]: For program point L411(lines 411 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,327 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,327 INFO L448 ceAbstractionStarter]: For program point L279(lines 279 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,327 INFO L448 ceAbstractionStarter]: For program point L213(lines 213 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,327 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 16:17:44,327 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 16:17:44,327 INFO L448 ceAbstractionStarter]: For program point L808(lines 808 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,327 INFO L448 ceAbstractionStarter]: For program point L1403(lines 1403 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,327 INFO L448 ceAbstractionStarter]: For program point L1205(lines 1205 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,328 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-12-09 16:17:44,328 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-12-09 16:17:44,328 INFO L448 ceAbstractionStarter]: For program point L1073(lines 1073 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,328 INFO L448 ceAbstractionStarter]: For program point L875(lines 875 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,328 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,328 INFO L448 ceAbstractionStarter]: For program point L942(lines 942 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,328 INFO L448 ceAbstractionStarter]: For program point L612(lines 612 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,328 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 16:17:44,328 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 16:17:44,328 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 23 1492) no Hoare annotation was computed. [2018-12-09 16:17:44,328 INFO L448 ceAbstractionStarter]: For program point L1472(lines 1472 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,328 INFO L448 ceAbstractionStarter]: For program point L1274(lines 1274 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,328 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-12-09 16:17:44,328 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-12-09 16:17:44,328 INFO L448 ceAbstractionStarter]: For program point L746(lines 746 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,328 INFO L448 ceAbstractionStarter]: For program point L680(lines 680 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,328 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,328 INFO L448 ceAbstractionStarter]: For program point L350(lines 350 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,328 INFO L448 ceAbstractionStarter]: For program point L1341(lines 1341 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,329 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,329 INFO L448 ceAbstractionStarter]: For program point L1143(lines 1143 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,329 INFO L448 ceAbstractionStarter]: For program point L1011(lines 1011 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,329 INFO L448 ceAbstractionStarter]: For program point L483(lines 483 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,329 INFO L448 ceAbstractionStarter]: For program point L417(lines 417 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,329 INFO L448 ceAbstractionStarter]: For program point L285(lines 285 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,329 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 16:17:44,329 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 16:17:44,329 INFO L448 ceAbstractionStarter]: For program point L1409(lines 1409 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,329 INFO L448 ceAbstractionStarter]: For program point L1211(lines 1211 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,329 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-09 16:17:44,329 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-12-09 16:17:44,329 INFO L448 ceAbstractionStarter]: For program point L1079(lines 1079 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,329 INFO L448 ceAbstractionStarter]: For program point L815(lines 815 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,329 INFO L448 ceAbstractionStarter]: For program point L948(lines 948 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,329 INFO L448 ceAbstractionStarter]: For program point L882(lines 882 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,329 INFO L448 ceAbstractionStarter]: For program point L618(lines 618 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,329 INFO L448 ceAbstractionStarter]: For program point L1477(lines 1477 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,329 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 16:17:44,330 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 16:17:44,330 INFO L448 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2018-12-09 16:17:44,330 INFO L448 ceAbstractionStarter]: For program point L24-2(lines 23 1492) no Hoare annotation was computed. [2018-12-09 16:17:44,330 INFO L448 ceAbstractionStarter]: For program point L1280(lines 1280 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,330 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,330 INFO L448 ceAbstractionStarter]: For program point L1214(lines 1214 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,330 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-12-09 16:17:44,330 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-12-09 16:17:44,330 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-12-09 16:17:44,330 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,330 INFO L448 ceAbstractionStarter]: For program point L686(lines 686 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,330 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,330 INFO L448 ceAbstractionStarter]: For program point L356(lines 356 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,330 INFO L448 ceAbstractionStarter]: For program point L1347(lines 1347 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,330 INFO L448 ceAbstractionStarter]: For program point L290(lines 290 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,330 INFO L448 ceAbstractionStarter]: For program point L1149(lines 1149 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,330 INFO L448 ceAbstractionStarter]: For program point L489(lines 489 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,330 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 16:17:44,330 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 16:17:44,330 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 16:17:44,331 INFO L448 ceAbstractionStarter]: For program point L1018(lines 1018 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,331 INFO L448 ceAbstractionStarter]: For program point L424(lines 424 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,331 INFO L448 ceAbstractionStarter]: For program point L1415(lines 1415 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,331 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-12-09 16:17:44,331 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-12-09 16:17:44,331 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-12-09 16:17:44,331 INFO L448 ceAbstractionStarter]: For program point L1086(lines 1086 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,331 INFO L448 ceAbstractionStarter]: For program point L954(lines 954 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,331 INFO L448 ceAbstractionStarter]: For program point L888(lines 888 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,331 INFO L448 ceAbstractionStarter]: For program point L822(lines 822 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,331 INFO L448 ceAbstractionStarter]: For program point L624(lines 624 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,331 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 16:17:44,331 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 16:17:44,331 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 16:17:44,331 INFO L448 ceAbstractionStarter]: For program point L691(lines 691 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,331 INFO L448 ceAbstractionStarter]: For program point L1484(lines 1484 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,331 INFO L448 ceAbstractionStarter]: For program point L427(lines 427 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,331 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,331 INFO L448 ceAbstractionStarter]: For program point L1286(lines 1286 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,331 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,332 INFO L448 ceAbstractionStarter]: For program point L1220(lines 1220 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,332 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-12-09 16:17:44,332 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-12-09 16:17:44,332 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-12-09 16:17:44,332 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,332 INFO L448 ceAbstractionStarter]: For program point L560(lines 560 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,332 INFO L448 ceAbstractionStarter]: For program point L1353(lines 1353 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,332 INFO L448 ceAbstractionStarter]: For program point L1155(lines 1155 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,332 INFO L448 ceAbstractionStarter]: For program point L495(lines 495 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,332 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,332 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 16:17:44,332 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 16:17:44,332 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 16:17:44,332 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-12-09 16:17:44,332 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-12-09 16:17:44,332 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-12-09 16:17:44,332 INFO L448 ceAbstractionStarter]: For program point L1025(lines 1025 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,332 INFO L448 ceAbstractionStarter]: For program point L1422(lines 1422 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,332 INFO L448 ceAbstractionStarter]: For program point L1092(lines 1092 1490) no Hoare annotation was computed. [2018-12-09 16:17:44,332 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 16:17:44,333 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)) [2018-12-09 16:17:44,333 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 16:17:44,333 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 16:17:44,333 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)|)) (and (= |old(~a15~0)| ~a15~0) (= ~a16~0 |old(~a16~0)|) (= ~a18~0 |old(~a18~0)|) (= |old(~a12~0)| ~a12~0)) (not (= 11 |old(~a16~0)|)) (not (= (+ |old(~a18~0)| 87) 0))) [2018-12-09 16:17:44,333 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 1767 1783) no Hoare annotation was computed. [2018-12-09 16:17:44,333 INFO L444 ceAbstractionStarter]: At program point L1781(line 1781) the Hoare annotation is: (let ((.cse18 (<= (+ ~a18~0 79) 0)) (.cse16 (= 8 ~a12~0)) (.cse17 (= ~a15~0 3)) (.cse19 (< 134 ~a18~0)) (.cse10 (not (= ~a12~0 6))) (.cse15 (not (= ~a15~0 4)))) (let ((.cse11 (= |old(~a15~0)| ~a15~0)) (.cse6 (= 5 ~a12~0)) (.cse3 (and (= |old(~a15~0)| 3) (and .cse10 .cse15 (not (= ~a16~0 12))))) (.cse4 (= ~a16~0 10)) (.cse1 (= 6 ~a12~0)) (.cse8 (< 0 (+ ~a18~0 156))) (.cse12 (= ~a16~0 11)) (.cse0 (= 9 ~a16~0)) (.cse7 (or .cse18 (and .cse16 .cse17 .cse19))) (.cse2 (= 4 ~a15~0)) (.cse13 (<= 6 ~a12~0)) (.cse14 (<= 12 ~a16~0)) (.cse9 (not (= main_~input~0 0))) (.cse5 (= 8 ~a16~0))) (or (not (= 11 |old(~a16~0)|)) (and .cse0 .cse1 .cse2) (not (= (+ |old(~a18~0)| 87) 0)) (not (= 3 |old(~a15~0)|)) (and .cse0 .cse3) (and .cse4 (<= ~a12~0 7)) (and .cse5 .cse6) (and .cse6 .cse7 .cse0 .cse8) (and .cse9 .cse10 .cse11 .cse12 .cse13) (and .cse9 .cse11 (= ~a16~0 |old(~a16~0)|) (= |old(~a12~0)| ~a12~0)) (and (and .cse14 .cse10 .cse15) .cse13) (not (= 5 |old(~a12~0)|)) (and .cse16 .cse0) (and .cse1 .cse14 .cse11) (and (and .cse0 (<= (+ ~a18~0 388559) 0)) .cse6) (and .cse3 .cse4) (and .cse5 .cse15 (not (= ~a12~0 8))) (and (= 7 ~a12~0) .cse0) (and .cse1 .cse9 .cse7 .cse8 (and .cse12 .cse17)) (and .cse0 .cse2 .cse7 .cse13) (and .cse5 .cse2 .cse13) (and .cse14 .cse9 .cse17 (= ~a12~0 5)) (and (= 3 ~a15~0) .cse5 (or .cse18 .cse19))))) [2018-12-09 16:17:44,333 INFO L448 ceAbstractionStarter]: For program point L1781-1(line 1781) no Hoare annotation was computed. [2018-12-09 16:17:44,333 INFO L448 ceAbstractionStarter]: For program point L1778(line 1778) no Hoare annotation was computed. [2018-12-09 16:17:44,333 INFO L444 ceAbstractionStarter]: At program point L1773-2(lines 1773 1782) the Hoare annotation is: (let ((.cse17 (<= (+ ~a18~0 79) 0)) (.cse16 (= 8 ~a12~0)) (.cse4 (= ~a15~0 3)) (.cse18 (< 134 ~a18~0)) (.cse9 (not (= ~a12~0 6))) (.cse15 (not (= ~a15~0 4)))) (let ((.cse3 (= ~a16~0 11)) (.cse2 (< 0 (+ ~a18~0 156))) (.cse0 (= 6 ~a12~0)) (.cse5 (= |old(~a15~0)| ~a15~0)) (.cse13 (= 5 ~a12~0)) (.cse8 (and (= |old(~a15~0)| 3) (and .cse9 .cse15 (not (= ~a16~0 12))))) (.cse11 (= ~a16~0 10)) (.cse6 (= 9 ~a16~0)) (.cse1 (or .cse17 (and .cse16 .cse4 .cse18))) (.cse7 (= 4 ~a15~0)) (.cse10 (<= 6 ~a12~0)) (.cse14 (<= 12 ~a16~0)) (.cse12 (= 8 ~a16~0))) (or (and .cse0 .cse1 .cse2 (and .cse3 .cse4)) (not (= 11 |old(~a16~0)|)) (and .cse5 (= ~a16~0 |old(~a16~0)|) (= |old(~a12~0)| ~a12~0)) (and .cse6 .cse0 .cse7) (not (= (+ |old(~a18~0)| 87) 0)) (not (= 3 |old(~a15~0)|)) (and .cse6 .cse8) (and (and .cse3 .cse9 .cse4) .cse10) (and .cse11 (<= ~a12~0 7)) (and .cse12 .cse13) (and .cse13 .cse1 .cse6 .cse2) (and (and .cse14 .cse9 .cse15) .cse10) (not (= 5 |old(~a12~0)|)) (and .cse16 .cse6) (and .cse0 .cse14 .cse5) (and (and .cse6 (<= (+ ~a18~0 388559) 0)) .cse13) (and .cse8 .cse11) (and .cse12 .cse15 (not (= ~a12~0 8))) (and (= 7 ~a12~0) .cse6) (and .cse6 .cse7 .cse1 .cse10) (and .cse12 .cse7 .cse10) (and .cse14 (and .cse4 (= ~a12~0 5))) (and (= 3 ~a15~0) .cse12 (or .cse17 .cse18))))) [2018-12-09 16:17:44,334 INFO L448 ceAbstractionStarter]: For program point L1773-3(lines 1767 1783) no Hoare annotation was computed. [2018-12-09 16:17:44,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 04:17:44 BoogieIcfgContainer [2018-12-09 16:17:44,343 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 16:17:44,344 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 16:17:44,344 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 16:17:44,344 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 16:17:44,344 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:12:43" (3/4) ... [2018-12-09 16:17:44,347 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 16:17:44,351 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 16:17:44,351 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output2 [2018-12-09 16:17:44,351 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-09 16:17:44,351 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 16:17:44,366 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-12-09 16:17:44,367 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 16:17:44,388 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((6 == a12 && (a18 + 79 <= 0 || ((8 == a12 && a15 == 3) && 134 < a18))) && 0 < a18 + 156) && a16 == 11 && a15 == 3) || !(11 == \old(a16))) || ((\old(a15) == a15 && a16 == \old(a16)) && \old(a12) == a12)) || ((9 == a16 && 6 == a12) && 4 == a15)) || !(\old(a18) + 87 == 0)) || !(3 == \old(a15))) || (9 == a16 && \old(a15) == 3 && (!(a12 == 6) && !(a15 == 4)) && !(a16 == 12))) || (((a16 == 11 && !(a12 == 6)) && a15 == 3) && 6 <= a12)) || (a16 == 10 && a12 <= 7)) || (8 == a16 && 5 == a12)) || (((5 == a12 && (a18 + 79 <= 0 || ((8 == a12 && a15 == 3) && 134 < a18))) && 9 == a16) && 0 < a18 + 156)) || (((12 <= a16 && !(a12 == 6)) && !(a15 == 4)) && 6 <= a12)) || !(5 == \old(a12))) || (8 == a12 && 9 == a16)) || ((6 == a12 && 12 <= a16) && \old(a15) == a15)) || ((9 == a16 && a18 + 388559 <= 0) && 5 == a12)) || ((\old(a15) == 3 && (!(a12 == 6) && !(a15 == 4)) && !(a16 == 12)) && a16 == 10)) || ((8 == a16 && !(a15 == 4)) && !(a12 == 8))) || (7 == a12 && 9 == a16)) || (((9 == a16 && 4 == a15) && (a18 + 79 <= 0 || ((8 == a12 && a15 == 3) && 134 < a18))) && 6 <= a12)) || ((8 == a16 && 4 == a15) && 6 <= a12)) || (12 <= a16 && a15 == 3 && a12 == 5)) || ((3 == a15 && 8 == a16) && (a18 + 79 <= 0 || 134 < a18)) [2018-12-09 16:17:44,472 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c4a2c2c8-f388-4762-b430-e0fc4b1b5d7c/bin-2019/utaipan/witness.graphml [2018-12-09 16:17:44,472 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 16:17:44,472 INFO L168 Benchmark]: Toolchain (without parser) took 303037.81 ms. Allocated memory was 1.0 GB in the beginning and 5.3 GB in the end (delta: 4.2 GB). Free memory was 942.7 MB in the beginning and 3.0 GB in the end (delta: -2.1 GB). Peak memory consumption was 2.2 GB. Max. memory is 11.5 GB. [2018-12-09 16:17:44,473 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 16:17:44,473 INFO L168 Benchmark]: CACSL2BoogieTranslator took 509.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 942.7 MB in the beginning and 1.1 GB in the end (delta: -160.2 MB). Peak memory consumption was 73.5 MB. Max. memory is 11.5 GB. [2018-12-09 16:17:44,473 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. [2018-12-09 16:17:44,473 INFO L168 Benchmark]: Boogie Preprocessor took 57.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-12-09 16:17:44,474 INFO L168 Benchmark]: RCFGBuilder took 1292.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 845.2 MB in the end (delta: 242.5 MB). Peak memory consumption was 242.5 MB. Max. memory is 11.5 GB. [2018-12-09 16:17:44,474 INFO L168 Benchmark]: TraceAbstraction took 301022.98 ms. Allocated memory was 1.2 GB in the beginning and 5.3 GB in the end (delta: 4.1 GB). Free memory was 838.2 MB in the beginning and 3.0 GB in the end (delta: -2.2 GB). Peak memory consumption was 4.0 GB. Max. memory is 11.5 GB. [2018-12-09 16:17:44,474 INFO L168 Benchmark]: Witness Printer took 128.11 ms. Allocated memory is still 5.3 GB. Free memory was 3.0 GB in the beginning and 3.0 GB in the end (delta: 4.8 kB). Peak memory consumption was 4.8 kB. Max. memory is 11.5 GB. [2018-12-09 16:17:44,475 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 509.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 942.7 MB in the beginning and 1.1 GB in the end (delta: -160.2 MB). Peak memory consumption was 73.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 57.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1292.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 845.2 MB in the end (delta: 242.5 MB). Peak memory consumption was 242.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 301022.98 ms. Allocated memory was 1.2 GB in the beginning and 5.3 GB in the end (delta: 4.1 GB). Free memory was 838.2 MB in the beginning and 3.0 GB in the end (delta: -2.2 GB). Peak memory consumption was 4.0 GB. Max. memory is 11.5 GB. * Witness Printer took 128.11 ms. Allocated memory is still 5.3 GB. Free memory was 3.0 GB in the beginning and 3.0 GB in the end (delta: 4.8 kB). Peak memory consumption was 4.8 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 175]: 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: ((((((((((((((((((((((((6 == a12 && (a18 + 79 <= 0 || ((8 == a12 && a15 == 3) && 134 < a18))) && 0 < a18 + 156) && a16 == 11 && a15 == 3) || !(11 == \old(a16))) || ((\old(a15) == a15 && a16 == \old(a16)) && \old(a12) == a12)) || ((9 == a16 && 6 == a12) && 4 == a15)) || !(\old(a18) + 87 == 0)) || !(3 == \old(a15))) || (9 == a16 && \old(a15) == 3 && (!(a12 == 6) && !(a15 == 4)) && !(a16 == 12))) || (((a16 == 11 && !(a12 == 6)) && a15 == 3) && 6 <= a12)) || (a16 == 10 && a12 <= 7)) || (8 == a16 && 5 == a12)) || (((5 == a12 && (a18 + 79 <= 0 || ((8 == a12 && a15 == 3) && 134 < a18))) && 9 == a16) && 0 < a18 + 156)) || (((12 <= a16 && !(a12 == 6)) && !(a15 == 4)) && 6 <= a12)) || !(5 == \old(a12))) || (8 == a12 && 9 == a16)) || ((6 == a12 && 12 <= a16) && \old(a15) == a15)) || ((9 == a16 && a18 + 388559 <= 0) && 5 == a12)) || ((\old(a15) == 3 && (!(a12 == 6) && !(a15 == 4)) && !(a16 == 12)) && a16 == 10)) || ((8 == a16 && !(a15 == 4)) && !(a12 == 8))) || (7 == a12 && 9 == a16)) || (((9 == a16 && 4 == a15) && (a18 + 79 <= 0 || ((8 == a12 && a15 == 3) && 134 < a18))) && 6 <= a12)) || ((8 == a16 && 4 == a15) && 6 <= a12)) || (12 <= a16 && a15 == 3 && a12 == 5)) || ((3 == a15 && 8 == a16) && (a18 + 79 <= 0 || 134 < a18)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 409 locations, 1 error locations. SAFE Result, 300.9s OverallTime, 19 OverallIterations, 11 TraceHistogramMax, 250.1s AutomataDifference, 0.0s DeadEndRemovalTime, 11.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2443 SDtfs, 37542 SDslu, 2411 SDs, 0 SdLazy, 72990 SolverSat, 8690 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 222.0s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 29012 GetRequests, 28657 SyntacticMatches, 28 SemanticMatches, 327 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2572 ImplicationChecksByTransitivity, 3.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15259occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 6.1s AbstIntTime, 14 AbstIntIterations, 4 AbstIntStrong, 0.9980285672179576 AbsIntWeakeningRatio, 0.06262230919765166 AbsIntAvgWeakeningVarsNumRemoved, 15.816046966731898 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.8s AutomataMinimizationTime, 19 MinimizatonAttempts, 3089 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 1989 PreInvPairs, 2346 NumberOfFragments, 2466 HoareAnnotationTreeSize, 1989 FomulaSimplifications, 81316 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 9 FomulaSimplificationsInter, 61998 FormulaSimplificationTreeSizeReductionInter, 9.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.4s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 18.0s InterpolantComputationTime, 30473 NumberOfCodeBlocks, 30473 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 43705 ConstructedInterpolants, 0 QuantifiedInterpolants, 165655700 SizeOfPredicates, 8 NumberOfNonLiveVariables, 17301 ConjunctsInSsa, 60 ConjunctsInUnsatCore, 39 InterpolantComputations, 7 PerfectInterpolantSequences, 124682/132290 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...