./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label14_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_90f82f11-dde9-4a18-9bf0-2f49acbd0a8e/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_90f82f11-dde9-4a18-9bf0-2f49acbd0a8e/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_90f82f11-dde9-4a18-9bf0-2f49acbd0a8e/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_90f82f11-dde9-4a18-9bf0-2f49acbd0a8e/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label14_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_90f82f11-dde9-4a18-9bf0-2f49acbd0a8e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_90f82f11-dde9-4a18-9bf0-2f49acbd0a8e/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 d50ba566f02e5109971f6a90ba216a95432a7661 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 14:55:36,799 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 14:55:36,800 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 14:55:36,808 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 14:55:36,808 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 14:55:36,809 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 14:55:36,810 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 14:55:36,811 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 14:55:36,812 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 14:55:36,813 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 14:55:36,813 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 14:55:36,813 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 14:55:36,814 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 14:55:36,814 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 14:55:36,815 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 14:55:36,816 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 14:55:36,816 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 14:55:36,817 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 14:55:36,818 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 14:55:36,819 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 14:55:36,820 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 14:55:36,821 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 14:55:36,822 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 14:55:36,822 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 14:55:36,822 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 14:55:36,823 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 14:55:36,823 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 14:55:36,824 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 14:55:36,824 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 14:55:36,825 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 14:55:36,825 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 14:55:36,826 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 14:55:36,826 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 14:55:36,826 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 14:55:36,827 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 14:55:36,827 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 14:55:36,827 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_90f82f11-dde9-4a18-9bf0-2f49acbd0a8e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 14:55:36,836 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 14:55:36,836 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 14:55:36,837 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 14:55:36,837 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 14:55:36,837 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 14:55:36,837 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 14:55:36,838 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 14:55:36,838 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 14:55:36,838 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 14:55:36,838 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 14:55:36,838 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 14:55:36,838 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 14:55:36,838 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 14:55:36,839 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 14:55:36,839 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 14:55:36,839 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 14:55:36,839 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 14:55:36,839 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 14:55:36,839 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 14:55:36,840 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 14:55:36,840 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 14:55:36,840 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 14:55:36,840 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 14:55:36,840 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 14:55:36,840 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 14:55:36,840 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 14:55:36,840 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 14:55:36,841 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 14:55:36,841 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 14:55:36,841 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 14:55:36,841 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 14:55:36,841 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 14:55:36,841 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 14:55:36,841 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 14:55:36,841 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 14:55:36,842 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 14:55:36,842 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 14:55:36,842 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_90f82f11-dde9-4a18-9bf0-2f49acbd0a8e/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 -> d50ba566f02e5109971f6a90ba216a95432a7661 [2018-11-23 14:55:36,865 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 14:55:36,875 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 14:55:36,877 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 14:55:36,878 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 14:55:36,879 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 14:55:36,879 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_90f82f11-dde9-4a18-9bf0-2f49acbd0a8e/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem01_label14_true-unreach-call_false-termination.c [2018-11-23 14:55:36,920 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_90f82f11-dde9-4a18-9bf0-2f49acbd0a8e/bin-2019/utaipan/data/c322e2c8f/1007037d78274d0f88a5b49a61455e9b/FLAGb94c2a3fa [2018-11-23 14:55:37,378 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 14:55:37,378 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_90f82f11-dde9-4a18-9bf0-2f49acbd0a8e/sv-benchmarks/c/eca-rers2012/Problem01_label14_true-unreach-call_false-termination.c [2018-11-23 14:55:37,387 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_90f82f11-dde9-4a18-9bf0-2f49acbd0a8e/bin-2019/utaipan/data/c322e2c8f/1007037d78274d0f88a5b49a61455e9b/FLAGb94c2a3fa [2018-11-23 14:55:37,897 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_90f82f11-dde9-4a18-9bf0-2f49acbd0a8e/bin-2019/utaipan/data/c322e2c8f/1007037d78274d0f88a5b49a61455e9b [2018-11-23 14:55:37,900 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 14:55:37,901 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 14:55:37,901 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 14:55:37,901 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 14:55:37,905 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 14:55:37,906 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:55:37" (1/1) ... [2018-11-23 14:55:37,908 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b9ee6b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:55:37, skipping insertion in model container [2018-11-23 14:55:37,908 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:55:37" (1/1) ... [2018-11-23 14:55:37,915 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 14:55:37,954 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 14:55:38,171 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 14:55:38,174 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 14:55:38,238 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 14:55:38,250 INFO L195 MainTranslator]: Completed translation [2018-11-23 14:55:38,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:55:38 WrapperNode [2018-11-23 14:55:38,251 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 14:55:38,251 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 14:55:38,252 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 14:55:38,252 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 14:55:38,305 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:55:38" (1/1) ... [2018-11-23 14:55:38,317 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:55:38" (1/1) ... [2018-11-23 14:55:38,324 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 14:55:38,324 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 14:55:38,324 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 14:55:38,324 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 14:55:38,330 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:55:38" (1/1) ... [2018-11-23 14:55:38,330 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:55:38" (1/1) ... [2018-11-23 14:55:38,332 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:55:38" (1/1) ... [2018-11-23 14:55:38,332 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:55:38" (1/1) ... [2018-11-23 14:55:38,356 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:55:38" (1/1) ... [2018-11-23 14:55:38,366 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:55:38" (1/1) ... [2018-11-23 14:55:38,369 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:55:38" (1/1) ... [2018-11-23 14:55:38,373 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 14:55:38,373 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 14:55:38,373 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 14:55:38,373 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 14:55:38,374 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:55:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_90f82f11-dde9-4a18-9bf0-2f49acbd0a8e/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 14:55:38,414 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 14:55:38,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 14:55:38,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 14:55:38,414 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 14:55:38,414 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 14:55:38,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 14:55:38,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 14:55:38,414 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 14:55:38,414 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 14:55:39,109 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 14:55:39,110 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 14:55:39,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:55:39 BoogieIcfgContainer [2018-11-23 14:55:39,110 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 14:55:39,111 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 14:55:39,111 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 14:55:39,113 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 14:55:39,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:55:37" (1/3) ... [2018-11-23 14:55:39,113 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c891b92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:55:39, skipping insertion in model container [2018-11-23 14:55:39,114 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:55:38" (2/3) ... [2018-11-23 14:55:39,114 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c891b92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:55:39, skipping insertion in model container [2018-11-23 14:55:39,114 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:55:39" (3/3) ... [2018-11-23 14:55:39,115 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label14_true-unreach-call_false-termination.c [2018-11-23 14:55:39,121 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 14:55:39,127 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 14:55:39,136 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 14:55:39,157 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 14:55:39,157 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 14:55:39,158 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 14:55:39,158 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 14:55:39,158 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 14:55:39,158 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 14:55:39,158 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 14:55:39,158 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 14:55:39,174 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2018-11-23 14:55:39,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-23 14:55:39,183 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:55:39,184 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:55:39,186 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:55:39,189 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:55:39,189 INFO L82 PathProgramCache]: Analyzing trace with hash -2085422569, now seen corresponding path program 1 times [2018-11-23 14:55:39,191 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:55:39,220 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:55:39,220 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:55:39,220 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:55:39,220 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:55:39,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:55:39,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:55:39,498 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:55:39,498 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 14:55:39,498 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 14:55:39,502 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 14:55:39,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 14:55:39,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 14:55:39,512 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2018-11-23 14:55:40,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:55:40,085 INFO L93 Difference]: Finished difference Result 547 states and 938 transitions. [2018-11-23 14:55:40,085 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 14:55:40,086 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 137 [2018-11-23 14:55:40,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:55:40,096 INFO L225 Difference]: With dead ends: 547 [2018-11-23 14:55:40,096 INFO L226 Difference]: Without dead ends: 338 [2018-11-23 14:55:40,099 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 14:55:40,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2018-11-23 14:55:40,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 338. [2018-11-23 14:55:40,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2018-11-23 14:55:40,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 539 transitions. [2018-11-23 14:55:40,143 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 539 transitions. Word has length 137 [2018-11-23 14:55:40,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:55:40,144 INFO L480 AbstractCegarLoop]: Abstraction has 338 states and 539 transitions. [2018-11-23 14:55:40,144 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 14:55:40,145 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 539 transitions. [2018-11-23 14:55:40,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-23 14:55:40,148 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:55:40,148 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:55:40,149 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:55:40,149 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:55:40,149 INFO L82 PathProgramCache]: Analyzing trace with hash -168887712, now seen corresponding path program 1 times [2018-11-23 14:55:40,149 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:55:40,150 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:55:40,150 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:55:40,151 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:55:40,151 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:55:40,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:55:40,268 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:55:40,268 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:55:40,268 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 14:55:40,269 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 14:55:40,270 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 14:55:40,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 14:55:40,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 14:55:40,271 INFO L87 Difference]: Start difference. First operand 338 states and 539 transitions. Second operand 6 states. [2018-11-23 14:55:40,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:55:40,856 INFO L93 Difference]: Finished difference Result 1067 states and 1776 transitions. [2018-11-23 14:55:40,860 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 14:55:40,860 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 147 [2018-11-23 14:55:40,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:55:40,865 INFO L225 Difference]: With dead ends: 1067 [2018-11-23 14:55:40,865 INFO L226 Difference]: Without dead ends: 735 [2018-11-23 14:55:40,867 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-23 14:55:40,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2018-11-23 14:55:40,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 720. [2018-11-23 14:55:40,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 720 states. [2018-11-23 14:55:40,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 720 states and 1116 transitions. [2018-11-23 14:55:40,896 INFO L78 Accepts]: Start accepts. Automaton has 720 states and 1116 transitions. Word has length 147 [2018-11-23 14:55:40,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:55:40,896 INFO L480 AbstractCegarLoop]: Abstraction has 720 states and 1116 transitions. [2018-11-23 14:55:40,897 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 14:55:40,897 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 1116 transitions. [2018-11-23 14:55:40,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-11-23 14:55:40,900 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:55:40,900 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:55:40,900 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:55:40,901 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:55:40,901 INFO L82 PathProgramCache]: Analyzing trace with hash 1733990238, now seen corresponding path program 1 times [2018-11-23 14:55:40,901 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:55:40,902 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:55:40,902 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:55:40,902 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:55:40,902 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:55:40,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:55:41,123 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:55:41,123 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:55:41,124 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 14:55:41,124 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 14:55:41,124 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 14:55:41,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 14:55:41,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 14:55:41,125 INFO L87 Difference]: Start difference. First operand 720 states and 1116 transitions. Second operand 5 states. [2018-11-23 14:55:41,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:55:41,643 INFO L93 Difference]: Finished difference Result 1569 states and 2474 transitions. [2018-11-23 14:55:41,643 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 14:55:41,643 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2018-11-23 14:55:41,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:55:41,646 INFO L225 Difference]: With dead ends: 1569 [2018-11-23 14:55:41,646 INFO L226 Difference]: Without dead ends: 717 [2018-11-23 14:55:41,648 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 14:55:41,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states. [2018-11-23 14:55:41,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 717. [2018-11-23 14:55:41,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 717 states. [2018-11-23 14:55:41,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 717 states and 1040 transitions. [2018-11-23 14:55:41,665 INFO L78 Accepts]: Start accepts. Automaton has 717 states and 1040 transitions. Word has length 148 [2018-11-23 14:55:41,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:55:41,666 INFO L480 AbstractCegarLoop]: Abstraction has 717 states and 1040 transitions. [2018-11-23 14:55:41,666 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 14:55:41,666 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 1040 transitions. [2018-11-23 14:55:41,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-23 14:55:41,668 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:55:41,668 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:55:41,668 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:55:41,668 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:55:41,668 INFO L82 PathProgramCache]: Analyzing trace with hash 1831387878, now seen corresponding path program 1 times [2018-11-23 14:55:41,669 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:55:41,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:55:41,669 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:55:41,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:55:41,669 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:55:41,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:55:41,759 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:55:41,759 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:55:41,759 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 14:55:41,760 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 14:55:41,760 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 14:55:41,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 14:55:41,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 14:55:41,760 INFO L87 Difference]: Start difference. First operand 717 states and 1040 transitions. Second operand 3 states. [2018-11-23 14:55:42,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:55:42,072 INFO L93 Difference]: Finished difference Result 2057 states and 3072 transitions. [2018-11-23 14:55:42,072 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 14:55:42,072 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 152 [2018-11-23 14:55:42,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:55:42,076 INFO L225 Difference]: With dead ends: 2057 [2018-11-23 14:55:42,076 INFO L226 Difference]: Without dead ends: 1346 [2018-11-23 14:55:42,078 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 14:55:42,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1346 states. [2018-11-23 14:55:42,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1346 to 1339. [2018-11-23 14:55:42,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1339 states. [2018-11-23 14:55:42,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1339 states to 1339 states and 1884 transitions. [2018-11-23 14:55:42,103 INFO L78 Accepts]: Start accepts. Automaton has 1339 states and 1884 transitions. Word has length 152 [2018-11-23 14:55:42,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:55:42,104 INFO L480 AbstractCegarLoop]: Abstraction has 1339 states and 1884 transitions. [2018-11-23 14:55:42,104 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 14:55:42,104 INFO L276 IsEmpty]: Start isEmpty. Operand 1339 states and 1884 transitions. [2018-11-23 14:55:42,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-23 14:55:42,107 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:55:42,107 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:55:42,107 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:55:42,107 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:55:42,107 INFO L82 PathProgramCache]: Analyzing trace with hash 1301808515, now seen corresponding path program 1 times [2018-11-23 14:55:42,107 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:55:42,108 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:55:42,108 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:55:42,108 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:55:42,108 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:55:42,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:55:42,356 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 32 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:55:42,356 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 14:55:42,356 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 14:55:42,357 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 173 with the following transitions: [2018-11-23 14:55:42,358 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [53], [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], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [705], [713], [721], [729], [737], [741], [743], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 14:55:42,392 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 14:55:42,392 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 14:55:42,732 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 14:55:42,734 INFO L272 AbstractInterpreter]: Visited 138 different actions 138 times. Never merged. Never widened. Performed 1764 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1764 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 42 variables. [2018-11-23 14:55:42,758 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:55:42,758 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 14:55:43,132 INFO L227 lantSequenceWeakener]: Weakened 163 states. On average, predicates are now at 80.69% of their original sizes. [2018-11-23 14:55:43,133 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 14:55:43,151 INFO L415 sIntCurrentIteration]: We unified 171 AI predicates to 171 [2018-11-23 14:55:43,151 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 14:55:43,152 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 14:55:43,152 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 15 [2018-11-23 14:55:43,152 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 14:55:43,152 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 14:55:43,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 14:55:43,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 14:55:43,153 INFO L87 Difference]: Start difference. First operand 1339 states and 1884 transitions. Second operand 6 states. [2018-11-23 14:55:45,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:55:45,181 INFO L93 Difference]: Finished difference Result 2808 states and 3932 transitions. [2018-11-23 14:55:45,181 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 14:55:45,181 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 172 [2018-11-23 14:55:45,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:55:45,184 INFO L225 Difference]: With dead ends: 2808 [2018-11-23 14:55:45,185 INFO L226 Difference]: Without dead ends: 1475 [2018-11-23 14:55:45,187 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 172 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-23 14:55:45,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1475 states. [2018-11-23 14:55:45,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1475 to 1474. [2018-11-23 14:55:45,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1474 states. [2018-11-23 14:55:45,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1474 states to 1474 states and 2025 transitions. [2018-11-23 14:55:45,208 INFO L78 Accepts]: Start accepts. Automaton has 1474 states and 2025 transitions. Word has length 172 [2018-11-23 14:55:45,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:55:45,208 INFO L480 AbstractCegarLoop]: Abstraction has 1474 states and 2025 transitions. [2018-11-23 14:55:45,208 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 14:55:45,208 INFO L276 IsEmpty]: Start isEmpty. Operand 1474 states and 2025 transitions. [2018-11-23 14:55:45,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-23 14:55:45,211 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:55:45,211 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:55:45,212 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:55:45,212 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:55:45,212 INFO L82 PathProgramCache]: Analyzing trace with hash -1685021730, now seen corresponding path program 1 times [2018-11-23 14:55:45,212 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:55:45,213 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:55:45,213 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:55:45,213 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:55:45,213 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:55:45,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:55:45,281 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 44 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 14:55:45,281 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 14:55:45,281 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 14:55:45,281 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 181 with the following transitions: [2018-11-23 14:55:45,282 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [53], [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], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [705], [713], [721], [729], [737], [741], [743], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 14:55:45,286 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 14:55:45,286 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 14:55:45,500 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 14:55:45,501 INFO L272 AbstractInterpreter]: Visited 142 different actions 278 times. Merged at 4 different actions 4 times. Never widened. Performed 3533 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3533 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-23 14:55:45,514 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:55:45,514 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 14:55:45,752 INFO L227 lantSequenceWeakener]: Weakened 177 states. On average, predicates are now at 82.12% of their original sizes. [2018-11-23 14:55:45,752 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 14:55:45,803 INFO L415 sIntCurrentIteration]: We unified 179 AI predicates to 179 [2018-11-23 14:55:45,804 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 14:55:45,804 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 14:55:45,804 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-23 14:55:45,804 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 14:55:45,804 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 14:55:45,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 14:55:45,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 14:55:45,805 INFO L87 Difference]: Start difference. First operand 1474 states and 2025 transitions. Second operand 10 states. [2018-11-23 14:55:48,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:55:48,488 INFO L93 Difference]: Finished difference Result 2946 states and 4075 transitions. [2018-11-23 14:55:48,489 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-23 14:55:48,489 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 180 [2018-11-23 14:55:48,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:55:48,493 INFO L225 Difference]: With dead ends: 2946 [2018-11-23 14:55:48,493 INFO L226 Difference]: Without dead ends: 1613 [2018-11-23 14:55:48,495 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 187 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-11-23 14:55:48,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1613 states. [2018-11-23 14:55:48,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1613 to 1611. [2018-11-23 14:55:48,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1611 states. [2018-11-23 14:55:48,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1611 states to 1611 states and 2171 transitions. [2018-11-23 14:55:48,520 INFO L78 Accepts]: Start accepts. Automaton has 1611 states and 2171 transitions. Word has length 180 [2018-11-23 14:55:48,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:55:48,520 INFO L480 AbstractCegarLoop]: Abstraction has 1611 states and 2171 transitions. [2018-11-23 14:55:48,520 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 14:55:48,520 INFO L276 IsEmpty]: Start isEmpty. Operand 1611 states and 2171 transitions. [2018-11-23 14:55:48,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-11-23 14:55:48,524 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:55:48,524 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:55:48,524 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:55:48,524 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:55:48,524 INFO L82 PathProgramCache]: Analyzing trace with hash -1778916640, now seen corresponding path program 1 times [2018-11-23 14:55:48,524 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:55:48,525 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:55:48,525 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:55:48,525 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:55:48,525 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:55:48,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:55:48,618 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 84 proven. 15 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-23 14:55:48,618 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 14:55:48,618 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 14:55:48,618 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 214 with the following transitions: [2018-11-23 14:55:48,619 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [53], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [705], [713], [721], [729], [737], [741], [743], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 14:55:48,623 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 14:55:48,623 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 14:55:48,802 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 14:55:48,802 INFO L272 AbstractInterpreter]: Visited 142 different actions 278 times. Merged at 4 different actions 4 times. Never widened. Performed 3605 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3605 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-23 14:55:48,814 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:55:48,814 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 14:55:49,104 INFO L227 lantSequenceWeakener]: Weakened 210 states. On average, predicates are now at 82.03% of their original sizes. [2018-11-23 14:55:49,105 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 14:55:49,190 INFO L415 sIntCurrentIteration]: We unified 212 AI predicates to 212 [2018-11-23 14:55:49,190 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 14:55:49,190 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 14:55:49,190 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-23 14:55:49,190 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 14:55:49,191 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 14:55:49,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 14:55:49,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 14:55:49,191 INFO L87 Difference]: Start difference. First operand 1611 states and 2171 transitions. Second operand 10 states. [2018-11-23 14:55:52,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:55:52,294 INFO L93 Difference]: Finished difference Result 3356 states and 4615 transitions. [2018-11-23 14:55:52,294 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-23 14:55:52,294 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 213 [2018-11-23 14:55:52,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:55:52,299 INFO L225 Difference]: With dead ends: 3356 [2018-11-23 14:55:52,299 INFO L226 Difference]: Without dead ends: 2023 [2018-11-23 14:55:52,301 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 221 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-11-23 14:55:52,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2023 states. [2018-11-23 14:55:52,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2023 to 2021. [2018-11-23 14:55:52,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2021 states. [2018-11-23 14:55:52,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2021 states to 2021 states and 2619 transitions. [2018-11-23 14:55:52,328 INFO L78 Accepts]: Start accepts. Automaton has 2021 states and 2619 transitions. Word has length 213 [2018-11-23 14:55:52,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:55:52,328 INFO L480 AbstractCegarLoop]: Abstraction has 2021 states and 2619 transitions. [2018-11-23 14:55:52,328 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 14:55:52,328 INFO L276 IsEmpty]: Start isEmpty. Operand 2021 states and 2619 transitions. [2018-11-23 14:55:52,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-11-23 14:55:52,331 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:55:52,332 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:55:52,332 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:55:52,332 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:55:52,332 INFO L82 PathProgramCache]: Analyzing trace with hash 1293545189, now seen corresponding path program 1 times [2018-11-23 14:55:52,332 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:55:52,333 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:55:52,333 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:55:52,333 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:55:52,333 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:55:52,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:55:52,420 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 81 proven. 40 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-23 14:55:52,420 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 14:55:52,420 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 14:55:52,421 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 222 with the following transitions: [2018-11-23 14:55:52,421 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [53], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [705], [713], [721], [729], [737], [741], [743], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 14:55:52,423 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 14:55:52,423 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 14:55:52,709 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 14:55:52,709 INFO L272 AbstractInterpreter]: Visited 144 different actions 577 times. Merged at 8 different actions 34 times. Widened at 1 different actions 1 times. Performed 7877 root evaluator evaluations with a maximum evaluation depth of 3. Performed 7877 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 8 fixpoints after 3 different actions. Largest state had 42 variables. [2018-11-23 14:55:52,718 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:55:52,719 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 14:55:52,719 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 14:55:52,719 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_90f82f11-dde9-4a18-9bf0-2f49acbd0a8e/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 14:55:52,731 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:55:52,731 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 14:55:52,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:55:52,800 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:55:52,868 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 98 proven. 2 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-23 14:55:52,868 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 14:55:52,991 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 86 proven. 33 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-23 14:55:53,007 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 14:55:53,008 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-11-23 14:55:53,008 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 14:55:53,008 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-23 14:55:53,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-23 14:55:53,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-11-23 14:55:53,009 INFO L87 Difference]: Start difference. First operand 2021 states and 2619 transitions. Second operand 11 states. [2018-11-23 14:55:54,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:55:54,348 INFO L93 Difference]: Finished difference Result 6454 states and 9208 transitions. [2018-11-23 14:55:54,349 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-23 14:55:54,349 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 221 [2018-11-23 14:55:54,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:55:54,364 INFO L225 Difference]: With dead ends: 6454 [2018-11-23 14:55:54,364 INFO L226 Difference]: Without dead ends: 4984 [2018-11-23 14:55:54,373 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 465 GetRequests, 445 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=111, Invalid=269, Unknown=0, NotChecked=0, Total=380 [2018-11-23 14:55:54,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4984 states. [2018-11-23 14:55:54,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4984 to 4967. [2018-11-23 14:55:54,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4967 states. [2018-11-23 14:55:54,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4967 states to 4967 states and 6517 transitions. [2018-11-23 14:55:54,479 INFO L78 Accepts]: Start accepts. Automaton has 4967 states and 6517 transitions. Word has length 221 [2018-11-23 14:55:54,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:55:54,479 INFO L480 AbstractCegarLoop]: Abstraction has 4967 states and 6517 transitions. [2018-11-23 14:55:54,479 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-23 14:55:54,479 INFO L276 IsEmpty]: Start isEmpty. Operand 4967 states and 6517 transitions. [2018-11-23 14:55:54,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-11-23 14:55:54,491 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:55:54,492 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:55:54,492 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:55:54,492 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:55:54,492 INFO L82 PathProgramCache]: Analyzing trace with hash -182889000, now seen corresponding path program 1 times [2018-11-23 14:55:54,492 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:55:54,493 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:55:54,493 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:55:54,493 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:55:54,493 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:55:54,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:55:54,630 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 79 proven. 41 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 14:55:54,630 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 14:55:54,630 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 14:55:54,630 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 221 with the following transitions: [2018-11-23 14:55:54,631 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [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], [109], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [705], [713], [721], [729], [737], [741], [743], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 14:55:54,633 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 14:55:54,633 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 14:55:54,952 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 14:55:54,953 INFO L272 AbstractInterpreter]: Visited 143 different actions 566 times. Merged at 7 different actions 27 times. Never widened. Performed 7663 root evaluator evaluations with a maximum evaluation depth of 3. Performed 7663 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 7 fixpoints after 2 different actions. Largest state had 42 variables. [2018-11-23 14:55:54,954 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:55:54,954 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 14:55:54,954 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 14:55:54,954 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_90f82f11-dde9-4a18-9bf0-2f49acbd0a8e/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 14:55:54,960 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:55:54,960 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 14:55:55,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:55:55,026 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:55:55,113 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 90 proven. 2 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-23 14:55:55,113 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 14:55:55,156 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 84 proven. 8 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-23 14:55:55,172 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 14:55:55,172 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 14 [2018-11-23 14:55:55,172 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 14:55:55,172 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-23 14:55:55,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-23 14:55:55,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2018-11-23 14:55:55,173 INFO L87 Difference]: Start difference. First operand 4967 states and 6517 transitions. Second operand 12 states. [2018-11-23 14:55:57,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:55:57,284 INFO L93 Difference]: Finished difference Result 11504 states and 16227 transitions. [2018-11-23 14:55:57,284 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-11-23 14:55:57,284 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 220 [2018-11-23 14:55:57,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:55:57,301 INFO L225 Difference]: With dead ends: 11504 [2018-11-23 14:55:57,302 INFO L226 Difference]: Without dead ends: 6815 [2018-11-23 14:55:57,311 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 507 GetRequests, 465 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 434 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=411, Invalid=1395, Unknown=0, NotChecked=0, Total=1806 [2018-11-23 14:55:57,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6815 states. [2018-11-23 14:55:57,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6815 to 6732. [2018-11-23 14:55:57,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6732 states. [2018-11-23 14:55:57,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6732 states to 6732 states and 8884 transitions. [2018-11-23 14:55:57,417 INFO L78 Accepts]: Start accepts. Automaton has 6732 states and 8884 transitions. Word has length 220 [2018-11-23 14:55:57,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:55:57,417 INFO L480 AbstractCegarLoop]: Abstraction has 6732 states and 8884 transitions. [2018-11-23 14:55:57,417 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-23 14:55:57,418 INFO L276 IsEmpty]: Start isEmpty. Operand 6732 states and 8884 transitions. [2018-11-23 14:55:57,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-11-23 14:55:57,429 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:55:57,429 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:55:57,429 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:55:57,429 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:55:57,429 INFO L82 PathProgramCache]: Analyzing trace with hash -514087954, now seen corresponding path program 1 times [2018-11-23 14:55:57,429 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:55:57,430 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:55:57,430 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:55:57,430 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:55:57,430 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:55:57,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:55:57,549 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 95 proven. 32 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 14:55:57,550 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 14:55:57,550 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 14:55:57,550 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 230 with the following transitions: [2018-11-23 14:55:57,550 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [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], [109], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [173], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [705], [713], [721], [729], [737], [741], [743], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 14:55:57,553 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 14:55:57,553 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 14:55:57,739 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 14:55:57,739 INFO L272 AbstractInterpreter]: Visited 142 different actions 418 times. Merged at 6 different actions 12 times. Never widened. Performed 5418 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5418 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 2 different actions. Largest state had 42 variables. [2018-11-23 14:55:57,742 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:55:57,742 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 14:55:57,906 INFO L227 lantSequenceWeakener]: Weakened 226 states. On average, predicates are now at 83.7% of their original sizes. [2018-11-23 14:55:57,906 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 14:55:57,974 INFO L415 sIntCurrentIteration]: We unified 228 AI predicates to 228 [2018-11-23 14:55:57,974 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 14:55:57,974 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 14:55:57,974 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-23 14:55:57,974 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 14:55:57,974 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 14:55:57,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 14:55:57,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 14:55:57,975 INFO L87 Difference]: Start difference. First operand 6732 states and 8884 transitions. Second operand 10 states. [2018-11-23 14:55:59,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:55:59,463 INFO L93 Difference]: Finished difference Result 14012 states and 18537 transitions. [2018-11-23 14:55:59,464 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-23 14:55:59,464 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 229 [2018-11-23 14:55:59,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:55:59,486 INFO L225 Difference]: With dead ends: 14012 [2018-11-23 14:55:59,486 INFO L226 Difference]: Without dead ends: 7836 [2018-11-23 14:55:59,504 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 236 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-11-23 14:55:59,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7836 states. [2018-11-23 14:55:59,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7836 to 7697. [2018-11-23 14:55:59,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7697 states. [2018-11-23 14:55:59,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7697 states to 7697 states and 9933 transitions. [2018-11-23 14:55:59,658 INFO L78 Accepts]: Start accepts. Automaton has 7697 states and 9933 transitions. Word has length 229 [2018-11-23 14:55:59,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:55:59,658 INFO L480 AbstractCegarLoop]: Abstraction has 7697 states and 9933 transitions. [2018-11-23 14:55:59,658 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 14:55:59,658 INFO L276 IsEmpty]: Start isEmpty. Operand 7697 states and 9933 transitions. [2018-11-23 14:55:59,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-11-23 14:55:59,676 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:55:59,676 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, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:55:59,676 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:55:59,676 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:55:59,676 INFO L82 PathProgramCache]: Analyzing trace with hash 1405086944, now seen corresponding path program 1 times [2018-11-23 14:55:59,676 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:55:59,677 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:55:59,677 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:55:59,677 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:55:59,677 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:55:59,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:55:59,853 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 168 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:55:59,853 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 14:55:59,853 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 14:55:59,853 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 246 with the following transitions: [2018-11-23 14:55:59,853 INFO L202 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], [105], [106], [109], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [705], [713], [721], [729], [737], [741], [743], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 14:55:59,856 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 14:55:59,856 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 14:56:00,238 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 14:56:00,238 INFO L272 AbstractInterpreter]: Visited 143 different actions 561 times. Merged at 7 different actions 22 times. Never widened. Performed 7747 root evaluator evaluations with a maximum evaluation depth of 3. Performed 7747 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 6 fixpoints after 2 different actions. Largest state had 42 variables. [2018-11-23 14:56:00,242 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:56:00,242 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 14:56:00,242 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 14:56:00,242 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_90f82f11-dde9-4a18-9bf0-2f49acbd0a8e/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 14:56:00,250 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:56:00,251 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 14:56:00,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:56:00,302 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:56:00,340 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-11-23 14:56:00,340 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 14:56:00,397 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-11-23 14:56:00,413 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-23 14:56:00,413 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [9] total 10 [2018-11-23 14:56:00,413 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 14:56:00,413 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 14:56:00,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 14:56:00,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-11-23 14:56:00,414 INFO L87 Difference]: Start difference. First operand 7697 states and 9933 transitions. Second operand 3 states. [2018-11-23 14:56:00,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:56:00,803 INFO L93 Difference]: Finished difference Result 16795 states and 22607 transitions. [2018-11-23 14:56:00,804 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 14:56:00,804 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 245 [2018-11-23 14:56:00,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:56:00,835 INFO L225 Difference]: With dead ends: 16795 [2018-11-23 14:56:00,835 INFO L226 Difference]: Without dead ends: 10619 [2018-11-23 14:56:00,853 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 498 GetRequests, 488 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-11-23 14:56:00,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10619 states. [2018-11-23 14:56:01,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10619 to 10482. [2018-11-23 14:56:01,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10482 states. [2018-11-23 14:56:01,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10482 states to 10482 states and 13725 transitions. [2018-11-23 14:56:01,055 INFO L78 Accepts]: Start accepts. Automaton has 10482 states and 13725 transitions. Word has length 245 [2018-11-23 14:56:01,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:56:01,055 INFO L480 AbstractCegarLoop]: Abstraction has 10482 states and 13725 transitions. [2018-11-23 14:56:01,055 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 14:56:01,055 INFO L276 IsEmpty]: Start isEmpty. Operand 10482 states and 13725 transitions. [2018-11-23 14:56:01,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2018-11-23 14:56:01,080 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:56:01,081 INFO L402 BasicCegarLoop]: trace histogram [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, 3, 3, 3, 3, 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] [2018-11-23 14:56:01,081 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:56:01,081 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:56:01,081 INFO L82 PathProgramCache]: Analyzing trace with hash -807166429, now seen corresponding path program 1 times [2018-11-23 14:56:01,081 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:56:01,082 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:56:01,082 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:56:01,082 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:56:01,082 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:56:01,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:56:01,216 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 164 proven. 51 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-23 14:56:01,216 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 14:56:01,216 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 14:56:01,217 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 256 with the following transitions: [2018-11-23 14:56:01,217 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [89], [90], [94], [98], [102], [105], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [705], [713], [721], [729], [737], [741], [743], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 14:56:01,219 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 14:56:01,219 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 14:56:01,511 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 14:56:01,511 INFO L272 AbstractInterpreter]: Visited 144 different actions 573 times. Merged at 8 different actions 30 times. Widened at 1 different actions 1 times. Performed 7979 root evaluator evaluations with a maximum evaluation depth of 3. Performed 7979 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 7 fixpoints after 3 different actions. Largest state had 42 variables. [2018-11-23 14:56:01,514 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:56:01,514 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 14:56:01,514 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 14:56:01,514 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_90f82f11-dde9-4a18-9bf0-2f49acbd0a8e/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 14:56:01,523 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:56:01,523 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 14:56:01,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:56:01,584 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:56:01,639 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 156 proven. 25 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-11-23 14:56:01,640 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 14:56:01,730 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 179 proven. 2 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-11-23 14:56:01,745 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 14:56:01,745 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 4, 4] total 12 [2018-11-23 14:56:01,745 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 14:56:01,746 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-23 14:56:01,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-23 14:56:01,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2018-11-23 14:56:01,746 INFO L87 Difference]: Start difference. First operand 10482 states and 13725 transitions. Second operand 11 states. [2018-11-23 14:56:03,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:56:03,848 INFO L93 Difference]: Finished difference Result 23728 states and 39371 transitions. [2018-11-23 14:56:03,848 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-11-23 14:56:03,848 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 255 [2018-11-23 14:56:03,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:56:03,940 INFO L225 Difference]: With dead ends: 23728 [2018-11-23 14:56:03,940 INFO L226 Difference]: Without dead ends: 14765 [2018-11-23 14:56:04,064 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 575 GetRequests, 530 SyntacticMatches, 3 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 541 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=358, Invalid=1534, Unknown=0, NotChecked=0, Total=1892 [2018-11-23 14:56:04,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14765 states. [2018-11-23 14:56:04,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14765 to 12542. [2018-11-23 14:56:04,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12542 states. [2018-11-23 14:56:04,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12542 states to 12542 states and 15683 transitions. [2018-11-23 14:56:04,308 INFO L78 Accepts]: Start accepts. Automaton has 12542 states and 15683 transitions. Word has length 255 [2018-11-23 14:56:04,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:56:04,308 INFO L480 AbstractCegarLoop]: Abstraction has 12542 states and 15683 transitions. [2018-11-23 14:56:04,308 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-23 14:56:04,308 INFO L276 IsEmpty]: Start isEmpty. Operand 12542 states and 15683 transitions. [2018-11-23 14:56:04,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2018-11-23 14:56:04,324 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:56:04,324 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2018-11-23 14:56:04,324 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:56:04,324 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:56:04,324 INFO L82 PathProgramCache]: Analyzing trace with hash 1577156162, now seen corresponding path program 1 times [2018-11-23 14:56:04,324 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:56:04,325 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:56:04,325 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:56:04,325 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:56:04,325 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:56:04,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:56:04,467 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 259 proven. 154 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2018-11-23 14:56:04,468 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 14:56:04,468 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 14:56:04,468 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 310 with the following transitions: [2018-11-23 14:56:04,468 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [37], [38], [42], [45], [46], [50], [53], [54], [58], [62], [66], [70], [74], [78], [82], [86], [89], [90], [94], [98], [102], [105], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [705], [713], [721], [729], [737], [741], [743], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 14:56:04,471 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 14:56:04,471 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 14:56:04,750 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 14:56:04,750 INFO L272 AbstractInterpreter]: Visited 147 different actions 588 times. Merged at 11 different actions 33 times. Never widened. Performed 8084 root evaluator evaluations with a maximum evaluation depth of 3. Performed 8084 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 11 fixpoints after 5 different actions. Largest state had 42 variables. [2018-11-23 14:56:04,754 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:56:04,754 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 14:56:04,754 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 14:56:04,754 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_90f82f11-dde9-4a18-9bf0-2f49acbd0a8e/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 14:56:04,760 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:56:04,760 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 14:56:04,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:56:04,823 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:56:04,879 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 346 proven. 2 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2018-11-23 14:56:04,879 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 14:56:04,988 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 266 proven. 18 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2018-11-23 14:56:05,003 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 14:56:05,003 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 15 [2018-11-23 14:56:05,003 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 14:56:05,003 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-23 14:56:05,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-23 14:56:05,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2018-11-23 14:56:05,004 INFO L87 Difference]: Start difference. First operand 12542 states and 15683 transitions. Second operand 12 states. [2018-11-23 14:56:07,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:56:07,131 INFO L93 Difference]: Finished difference Result 29177 states and 37946 transitions. [2018-11-23 14:56:07,131 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-11-23 14:56:07,131 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 309 [2018-11-23 14:56:07,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:56:07,166 INFO L225 Difference]: With dead ends: 29177 [2018-11-23 14:56:07,166 INFO L226 Difference]: Without dead ends: 18154 [2018-11-23 14:56:07,179 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 695 GetRequests, 646 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 663 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=505, Invalid=2045, Unknown=0, NotChecked=0, Total=2550 [2018-11-23 14:56:07,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18154 states. [2018-11-23 14:56:07,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18154 to 16797. [2018-11-23 14:56:07,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16797 states. [2018-11-23 14:56:07,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16797 states to 16797 states and 20570 transitions. [2018-11-23 14:56:07,458 INFO L78 Accepts]: Start accepts. Automaton has 16797 states and 20570 transitions. Word has length 309 [2018-11-23 14:56:07,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:56:07,458 INFO L480 AbstractCegarLoop]: Abstraction has 16797 states and 20570 transitions. [2018-11-23 14:56:07,458 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-23 14:56:07,458 INFO L276 IsEmpty]: Start isEmpty. Operand 16797 states and 20570 transitions. [2018-11-23 14:56:07,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-11-23 14:56:07,480 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:56:07,480 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:56:07,480 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:56:07,480 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:56:07,481 INFO L82 PathProgramCache]: Analyzing trace with hash 1809530709, now seen corresponding path program 1 times [2018-11-23 14:56:07,481 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:56:07,481 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:56:07,481 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:56:07,481 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:56:07,481 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:56:07,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:56:07,628 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 257 proven. 18 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2018-11-23 14:56:07,628 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 14:56:07,628 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 14:56:07,628 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 318 with the following transitions: [2018-11-23 14:56:07,628 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [45], [46], [49], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [89], [90], [94], [98], [102], [106], [109], [110], [114], [118], [122], [126], [129], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [705], [713], [721], [729], [737], [741], [743], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 14:56:07,631 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 14:56:07,631 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 14:56:08,009 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 14:56:08,009 INFO L272 AbstractInterpreter]: Visited 146 different actions 578 times. Merged at 8 different actions 27 times. Never widened. Performed 8018 root evaluator evaluations with a maximum evaluation depth of 3. Performed 8018 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 9 fixpoints after 4 different actions. Largest state had 42 variables. [2018-11-23 14:56:08,014 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:56:08,015 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 14:56:08,015 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 14:56:08,015 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_90f82f11-dde9-4a18-9bf0-2f49acbd0a8e/bin-2019/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 14:56:08,023 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:56:08,023 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 14:56:08,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:56:08,097 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:56:08,159 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 338 proven. 2 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2018-11-23 14:56:08,160 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 14:56:08,222 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 257 proven. 18 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2018-11-23 14:56:08,247 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 14:56:08,247 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-23 14:56:08,247 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 14:56:08,248 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 14:56:08,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 14:56:08,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-11-23 14:56:08,248 INFO L87 Difference]: Start difference. First operand 16797 states and 20570 transitions. Second operand 9 states. [2018-11-23 14:56:09,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:56:09,042 INFO L93 Difference]: Finished difference Result 28562 states and 35802 transitions. [2018-11-23 14:56:09,043 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-23 14:56:09,043 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 317 [2018-11-23 14:56:09,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:56:09,043 INFO L225 Difference]: With dead ends: 28562 [2018-11-23 14:56:09,043 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 14:56:09,082 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 659 GetRequests, 639 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=115, Invalid=305, Unknown=0, NotChecked=0, Total=420 [2018-11-23 14:56:09,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 14:56:09,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 14:56:09,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 14:56:09,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 14:56:09,083 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 317 [2018-11-23 14:56:09,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:56:09,083 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 14:56:09,083 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 14:56:09,083 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 14:56:09,083 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 14:56:09,087 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 14:56:09,513 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:09,513 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:09,515 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:09,515 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:09,531 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:09,534 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:09,544 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:09,547 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:09,547 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:09,576 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:09,577 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:09,578 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:09,579 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:09,579 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:09,580 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:09,581 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:09,581 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:09,583 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:09,600 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:09,601 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:09,602 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:09,603 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:09,618 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:09,621 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:09,660 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:09,665 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:09,666 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:09,700 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:09,701 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:09,703 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:09,703 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:09,753 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:09,755 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:09,775 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:09,825 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:09,851 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:09,853 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:09,860 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,019 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,020 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,022 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,023 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,024 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,025 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,026 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,027 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,027 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,056 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,057 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,059 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,175 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,418 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,419 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,490 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,545 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,547 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,550 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,553 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,556 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,562 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,564 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,617 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,618 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,618 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,621 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,622 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,624 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,626 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,627 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,628 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,629 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,630 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,631 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,635 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,636 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,640 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,651 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,654 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,655 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,658 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,659 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,662 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,664 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,668 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,675 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,679 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,682 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,684 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,698 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,706 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,708 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,709 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,710 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,713 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,721 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,725 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,728 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,731 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,732 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,735 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,736 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,741 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,747 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,749 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,750 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,755 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,765 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,767 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,771 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,784 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,789 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,792 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,798 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,802 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,807 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,809 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,811 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,821 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,825 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,830 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,834 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,836 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,838 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,842 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,844 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,857 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,859 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,866 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,870 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,877 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,882 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,885 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,894 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,915 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,928 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,935 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,937 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,939 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,945 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,952 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,960 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,970 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,991 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:10,993 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,014 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,021 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,036 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,046 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,049 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,067 WARN L180 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 1005 DAG size of output: 286 [2018-11-23 14:56:11,109 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,110 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,110 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,111 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,122 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,124 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,132 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,133 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,134 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,149 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,150 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,150 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,150 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,151 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,151 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,151 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,152 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,152 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,160 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,161 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,161 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,162 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,169 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,170 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,190 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,193 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,194 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,209 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,210 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,210 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,211 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,236 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,237 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,247 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,272 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,300 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,301 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,305 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,382 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,382 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,383 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,383 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,384 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,384 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,385 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,385 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,385 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,398 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,399 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,399 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,451 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,596 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,597 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,653 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,697 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,699 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,699 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,701 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,702 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,706 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,708 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,711 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,712 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,712 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,713 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,714 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,717 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,718 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,719 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,720 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,721 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,723 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,724 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,727 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,729 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,733 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,744 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,747 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,748 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,751 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,752 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,756 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,757 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,761 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,766 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,768 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,770 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,771 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,779 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,785 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,786 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,787 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,788 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,792 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,799 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,803 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,806 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,809 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,811 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,813 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,815 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,819 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,826 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,828 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,829 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,834 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,845 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,847 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,851 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,864 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,869 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,872 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,878 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,883 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,887 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,890 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,892 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,902 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,905 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,911 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,915 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,917 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,919 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,923 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,925 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,938 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,941 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,948 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,951 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,959 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,964 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,967 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,972 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:11,985 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:12,003 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:12,010 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:12,012 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:12,014 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:12,020 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:12,027 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:12,035 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:12,045 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:12,061 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:12,063 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:12,083 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:12,091 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:12,105 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:12,115 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:12,117 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:56:12,133 WARN L180 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 1017 DAG size of output: 287 [2018-11-23 14:56:13,542 WARN L180 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 320 DAG size of output: 107 [2018-11-23 14:56:14,439 WARN L180 SmtUtils]: Spent 885.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 72 [2018-11-23 14:56:15,281 WARN L180 SmtUtils]: Spent 839.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 72 [2018-11-23 14:56:15,282 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 14:56:15,283 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a7~0 |old(~a7~0)|) (= |old(~a20~0)| ~a20~0) (= ~a17~0 |old(~a17~0)|) (<= |old(~a8~0)| ~a8~0) (= |old(~a16~0)| ~a16~0) (= ~a21~0 |old(~a21~0)|)) [2018-11-23 14:56:15,283 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 14:56:15,283 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-23 14:56:15,283 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-23 14:56:15,283 INFO L448 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:56:15,283 INFO L448 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:56:15,283 INFO L448 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:56:15,283 INFO L448 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:56:15,283 INFO L448 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:56:15,283 INFO L448 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:56:15,283 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-23 14:56:15,283 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-23 14:56:15,283 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-23 14:56:15,283 INFO L448 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-23 14:56:15,283 INFO L448 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-23 14:56:15,283 INFO L448 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-23 14:56:15,283 INFO L448 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-23 14:56:15,283 INFO L448 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-23 14:56:15,283 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-23 14:56:15,283 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-23 14:56:15,283 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:56:15,283 INFO L448 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:56:15,283 INFO L448 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:56:15,284 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:56:15,284 INFO L448 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:56:15,284 INFO L448 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:56:15,284 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-23 14:56:15,284 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-23 14:56:15,284 INFO L448 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-23 14:56:15,284 INFO L448 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-23 14:56:15,284 INFO L448 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-23 14:56:15,284 INFO L448 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-23 14:56:15,284 INFO L448 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-23 14:56:15,284 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-23 14:56:15,284 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-23 14:56:15,284 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-23 14:56:15,284 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-23 14:56:15,284 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-23 14:56:15,284 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-23 14:56:15,284 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-23 14:56:15,285 INFO L448 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-11-23 14:56:15,285 INFO L448 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:56:15,285 INFO L448 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:56:15,285 INFO L448 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:56:15,285 INFO L448 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:56:15,285 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:56:15,285 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-23 14:56:15,285 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-23 14:56:15,285 INFO L448 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-23 14:56:15,285 INFO L448 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-23 14:56:15,285 INFO L448 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-23 14:56:15,285 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-23 14:56:15,285 INFO L448 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-23 14:56:15,285 INFO L448 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-23 14:56:15,285 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-23 14:56:15,285 INFO L448 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:56:15,285 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:56:15,285 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:56:15,285 INFO L448 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:56:15,285 INFO L448 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:56:15,285 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-23 14:56:15,286 INFO L448 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-23 14:56:15,286 INFO L448 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-23 14:56:15,286 INFO L448 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-23 14:56:15,286 INFO L448 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-23 14:56:15,286 INFO L448 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-23 14:56:15,286 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-23 14:56:15,286 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-23 14:56:15,286 INFO L448 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-23 14:56:15,286 INFO L448 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-23 14:56:15,286 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-23 14:56:15,286 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-23 14:56:15,286 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-23 14:56:15,286 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:56:15,286 INFO L448 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:56:15,286 INFO L448 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:56:15,286 INFO L448 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:56:15,286 INFO L448 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:56:15,286 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-23 14:56:15,286 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-23 14:56:15,286 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-23 14:56:15,286 INFO L448 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-23 14:56:15,286 INFO L448 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-23 14:56:15,286 INFO L448 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-23 14:56:15,286 INFO L448 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-23 14:56:15,286 INFO L448 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-23 14:56:15,286 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-23 14:56:15,287 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:56:15,287 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:56:15,287 INFO L448 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:56:15,287 INFO L448 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:56:15,287 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:56:15,287 INFO L448 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:56:15,287 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-23 14:56:15,287 INFO L448 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:56:15,287 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-23 14:56:15,287 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-23 14:56:15,287 INFO L448 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-23 14:56:15,287 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-23 14:56:15,287 INFO L448 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-23 14:56:15,287 INFO L448 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-23 14:56:15,287 INFO L448 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-23 14:56:15,287 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-23 14:56:15,287 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-23 14:56:15,287 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-23 14:56:15,287 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-23 14:56:15,287 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-23 14:56:15,287 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-23 14:56:15,287 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:56:15,287 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:56:15,287 INFO L448 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:56:15,287 INFO L448 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:56:15,287 INFO L448 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:56:15,287 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-23 14:56:15,288 INFO L448 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-23 14:56:15,288 INFO L448 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-23 14:56:15,288 INFO L448 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-23 14:56:15,288 INFO L448 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-23 14:56:15,288 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-23 14:56:15,288 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-23 14:56:15,288 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-23 14:56:15,288 INFO L448 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:56:15,288 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:56:15,288 INFO L448 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:56:15,288 INFO L448 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:56:15,288 INFO L448 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:56:15,288 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-23 14:56:15,288 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-23 14:56:15,288 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-23 14:56:15,288 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-23 14:56:15,288 INFO L448 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-23 14:56:15,288 INFO L448 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-23 14:56:15,288 INFO L448 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-23 14:56:15,288 INFO L448 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-23 14:56:15,289 INFO L448 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-23 14:56:15,289 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-23 14:56:15,289 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse1 (= ~a21~0 |old(~a21~0)|)) (.cse3 (= |old(~a20~0)| ~a20~0)) (.cse2 (= ~a7~0 |old(~a7~0)|)) (.cse4 (= ~a17~0 |old(~a17~0)|)) (.cse29 (= ~a16~0 |old(~a16~0)|)) (.cse0 (<= |old(~a8~0)| ~a8~0)) (.cse28 (= 1 ~a21~0))) (let ((.cse22 (not (= 0 |old(~a17~0)|))) (.cse20 (not (= 0 |old(~a7~0)|))) (.cse19 (= |calculate_output_#in~input| 0)) (.cse21 (not (= 15 |old(~a8~0)|))) (.cse18 (= ~a8~0 15)) (.cse15 (< |old(~a8~0)| 15)) (.cse25 (< 0 |old(~a20~0)|)) (.cse26 (< |old(~a20~0)| 1)) (.cse14 (< |old(~a16~0)| 5)) (.cse13 (and .cse3 .cse2 .cse4 .cse29 .cse0 .cse28)) (.cse24 (< |old(~a8~0)| 14)) (.cse8 (< 0 |old(~a17~0)|)) (.cse10 (= 6 |old(~a16~0)|)) (.cse27 (and .cse3 .cse1 .cse2 .cse4 .cse29 .cse0)) (.cse9 (< 0 |old(~a21~0)|)) (.cse11 (not (= 1 |old(~a21~0)|))) (.cse6 (not (= 1 |old(~a20~0)|))) (.cse17 (not (= 4 |old(~a16~0)|))) (.cse5 (= |old(~a16~0)| ~a16~0)) (.cse7 (not (= 8 ~a12~0))) (.cse12 (= 1 |old(~a7~0)|)) (.cse16 (not (= 1 |old(~a17~0)|)))) (and (or (and .cse0 .cse1 (and .cse2 .cse3 .cse4 .cse5)) (or .cse6 .cse7 .cse8 .cse9)) (or .cse10 .cse11 .cse12 .cse13 .cse14 .cse7 .cse15 .cse16) (or .cse11 .cse12 .cse17 .cse7 .cse8 .cse13) (or .cse18 (and (or .cse19 (or (not .cse10) .cse20 .cse11 .cse6 .cse21 .cse22 .cse7)) (or .cse10 .cse20 .cse11 .cse14 .cse21 (not (= |old(~a20~0)| 1)) .cse7 .cse8 .cse19))) (or .cse11 .cse12 .cse13 .cse17 .cse7 .cse15 .cse16) (or .cse18 .cse19 (let ((.cse23 (not (= 5 |old(~a16~0)|)))) (and (or .cse20 .cse11 .cse21 .cse22 .cse23 .cse7) (or .cse20 .cse11 .cse21 .cse23 .cse7 .cse16)))) (or .cse13 .cse11 .cse12 .cse14 .cse7 .cse8 .cse15) (or .cse10 .cse11 .cse24 .cse7 .cse13 .cse8 .cse25) (or .cse14 .cse7 .cse26 .cse8 .cse9 .cse27) (or .cse20 .cse11 .cse17 .cse7 .cse8 .cse19 .cse6 .cse21 .cse18) (or .cse11 .cse12 .cse14 .cse6 .cse7 .cse13 .cse16) (or .cse11 .cse12 .cse14 .cse7 .cse15 .cse13 .cse25 .cse16) (or .cse11 .cse12 .cse17 .cse13 .cse7 .cse26 .cse16) (or .cse10 .cse11 .cse14 .cse13 .cse24 .cse7 .cse8) (or .cse10 .cse27 .cse7 .cse9 .cse16) (or .cse11 .cse6 .cse17 (and (= 1 ~a7~0) (= 1 ~a20~0) (= 13 ~a8~0) .cse5 .cse28 (= 1 ~a17~0)) .cse7 (not .cse12) (not (= 13 |old(~a8~0)|)) .cse16)))) [2018-11-23 14:56:15,289 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-23 14:56:15,289 INFO L448 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:56:15,289 INFO L448 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:56:15,289 INFO L448 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:56:15,289 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:56:15,289 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-23 14:56:15,289 INFO L448 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:56:15,289 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:56:15,289 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-23 14:56:15,289 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-23 14:56:15,289 INFO L448 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-23 14:56:15,289 INFO L448 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-23 14:56:15,289 INFO L448 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-23 14:56:15,289 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-23 14:56:15,289 INFO L448 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-23 14:56:15,289 INFO L448 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-23 14:56:15,289 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-23 14:56:15,289 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-23 14:56:15,290 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-23 14:56:15,290 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-23 14:56:15,290 INFO L448 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:56:15,290 INFO L448 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:56:15,290 INFO L448 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:56:15,290 INFO L448 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:56:15,290 INFO L448 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:56:15,290 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-23 14:56:15,290 INFO L448 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:56:15,290 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-23 14:56:15,290 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-23 14:56:15,290 INFO L448 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-23 14:56:15,290 INFO L448 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-23 14:56:15,290 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-23 14:56:15,290 INFO L448 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-23 14:56:15,290 INFO L448 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-23 14:56:15,291 INFO L448 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-23 14:56:15,291 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-23 14:56:15,291 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-23 14:56:15,291 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-23 14:56:15,291 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 569) no Hoare annotation was computed. [2018-11-23 14:56:15,291 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-23 14:56:15,291 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-23 14:56:15,291 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-23 14:56:15,291 INFO L448 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:56:15,291 INFO L448 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:56:15,291 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:56:15,291 INFO L448 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:56:15,291 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:56:15,291 INFO L448 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 14:56:15,292 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-23 14:56:15,292 INFO L448 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-23 14:56:15,292 INFO L448 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-23 14:56:15,292 INFO L448 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-23 14:56:15,292 INFO L448 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-23 14:56:15,292 INFO L448 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-23 14:56:15,292 INFO L448 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-23 14:56:15,292 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-23 14:56:15,292 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-23 14:56:15,292 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-23 14:56:15,292 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 14:56:15,292 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a7~0 0) (= ~a8~0 15) (= 1 ~a21~0) (= ~a12~0 8) (= ~a20~0 1) (= 1 ~a17~0) (= ~a16~0 5)) [2018-11-23 14:56:15,292 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 14:56:15,292 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 14:56:15,293 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a21~0)|)) (and (= ~a8~0 15) (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= 1 ~a21~0) (= ~a20~0 1) (= ~a16~0 5)) (not (= 8 ~a12~0)) (not (= 1 |old(~a17~0)|)) (not (= 1 |old(~a20~0)|)) (not (= 15 |old(~a8~0)|)) (not (= 5 |old(~a16~0)|))) [2018-11-23 14:56:15,293 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-23 14:56:15,293 INFO L444 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse4 (<= ~a20~0 0)) (.cse10 (<= 14 ~a8~0)) (.cse9 (not (= ~a16~0 6))) (.cse6 (<= ~a21~0 0)) (.cse11 (= |old(~a20~0)| ~a20~0)) (.cse7 (<= ~a17~0 0)) (.cse3 (<= 5 ~a16~0)) (.cse1 (<= 15 ~a8~0)) (.cse2 (= 1 ~a21~0)) (.cse0 (not (= ~a7~0 1))) (.cse12 (= ~a16~0 4)) (.cse8 (<= 1 ~a20~0)) (.cse5 (= 1 ~a17~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse3 .cse8) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (and (and .cse9 .cse7 .cse4) .cse10 .cse2) (and (= 1 ~a20~0) (= 13 ~a8~0) (= 4 ~a16~0) .cse2 .cse5) (and .cse6 .cse9 .cse5) (not (= 1 |old(~a21~0)|)) (and .cse10 .cse9 .cse2 .cse7 .cse3) (not (= 8 ~a12~0)) (and .cse0 .cse11 .cse2 .cse3 .cse5) (and .cse0 .cse12 .cse7 .cse2) (and .cse0 .cse1 .cse9 .cse2 .cse3 .cse5) (and .cse6 .cse11 .cse7) (and (= ~a21~0 |old(~a21~0)|) (and .cse0 .cse1 .cse7 .cse3)) (not (= 0 |old(~a7~0)|)) (and .cse0 .cse1 .cse12 .cse2 .cse5) (not (= 1 |old(~a17~0)|)) (not (= 15 |old(~a8~0)|)) (and .cse2 (and .cse0 .cse12 .cse8) .cse5))) [2018-11-23 14:56:15,293 INFO L448 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-23 14:56:15,293 INFO L448 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-23 14:56:15,293 INFO L444 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse4 (<= ~a20~0 0)) (.cse10 (<= 14 ~a8~0)) (.cse9 (not (= ~a16~0 6))) (.cse6 (<= ~a21~0 0)) (.cse11 (= |old(~a20~0)| ~a20~0)) (.cse7 (<= ~a17~0 0)) (.cse3 (<= 5 ~a16~0)) (.cse1 (<= 15 ~a8~0)) (.cse2 (= 1 ~a21~0)) (.cse0 (not (= ~a7~0 1))) (.cse12 (= ~a16~0 4)) (.cse8 (<= 1 ~a20~0)) (.cse5 (= 1 ~a17~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse3 .cse8) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (and (and .cse9 .cse7 .cse4) .cse10 .cse2) (and (= 1 ~a20~0) (= 13 ~a8~0) (= 4 ~a16~0) .cse2 .cse5) (and .cse6 .cse9 .cse5) (not (= 1 |old(~a21~0)|)) (and .cse10 .cse9 .cse2 .cse7 .cse3) (not (= 8 ~a12~0)) (and .cse0 .cse11 .cse2 .cse3 .cse5) (and .cse0 .cse12 .cse7 .cse2) (and .cse0 .cse1 .cse9 .cse2 .cse3 .cse5) (and .cse6 .cse11 .cse7) (and (= ~a21~0 |old(~a21~0)|) (and .cse0 .cse1 .cse7 .cse3)) (not (= 0 |old(~a7~0)|)) (and .cse0 .cse1 .cse12 .cse2 .cse5) (not (= 1 |old(~a17~0)|)) (not (= 15 |old(~a8~0)|)) (and .cse2 (and .cse0 .cse12 .cse8) .cse5))) [2018-11-23 14:56:15,293 INFO L448 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2018-11-23 14:56:15,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:56:15 BoogieIcfgContainer [2018-11-23 14:56:15,305 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 14:56:15,306 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 14:56:15,306 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 14:56:15,306 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 14:56:15,306 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:55:39" (3/4) ... [2018-11-23 14:56:15,309 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 14:56:15,314 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 14:56:15,314 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 14:56:15,314 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 14:56:15,321 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 14:56:15,321 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 14:56:15,341 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((((!(a7 == 1) && 15 <= a8) && 1 == a21) && 5 <= a16) && a20 <= 0) && 1 == a17) || (((a21 <= 0 && a17 <= 0) && 5 <= a16) && 1 <= a20)) || !(1 == \old(a20))) || !(5 == \old(a16))) || ((((!(a16 == 6) && a17 <= 0) && a20 <= 0) && 14 <= a8) && 1 == a21)) || ((((1 == a20 && 13 == a8) && 4 == a16) && 1 == a21) && 1 == a17)) || ((a21 <= 0 && !(a16 == 6)) && 1 == a17)) || !(1 == \old(a21))) || ((((14 <= a8 && !(a16 == 6)) && 1 == a21) && a17 <= 0) && 5 <= a16)) || !(8 == a12)) || ((((!(a7 == 1) && \old(a20) == a20) && 1 == a21) && 5 <= a16) && 1 == a17)) || (((!(a7 == 1) && a16 == 4) && a17 <= 0) && 1 == a21)) || (((((!(a7 == 1) && 15 <= a8) && !(a16 == 6)) && 1 == a21) && 5 <= a16) && 1 == a17)) || ((a21 <= 0 && \old(a20) == a20) && a17 <= 0)) || (a21 == \old(a21) && ((!(a7 == 1) && 15 <= a8) && a17 <= 0) && 5 <= a16)) || !(0 == \old(a7))) || ((((!(a7 == 1) && 15 <= a8) && a16 == 4) && 1 == a21) && 1 == a17)) || !(1 == \old(a17))) || !(15 == \old(a8))) || ((1 == a21 && (!(a7 == 1) && a16 == 4) && 1 <= a20) && 1 == a17) [2018-11-23 14:56:15,398 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_90f82f11-dde9-4a18-9bf0-2f49acbd0a8e/bin-2019/utaipan/witness.graphml [2018-11-23 14:56:15,398 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 14:56:15,398 INFO L168 Benchmark]: Toolchain (without parser) took 37498.33 ms. Allocated memory was 1.0 GB in the beginning and 3.3 GB in the end (delta: 2.3 GB). Free memory was 956.5 MB in the beginning and 2.6 GB in the end (delta: -1.6 GB). Peak memory consumption was 652.9 MB. Max. memory is 11.5 GB. [2018-11-23 14:56:15,399 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 14:56:15,399 INFO L168 Benchmark]: CACSL2BoogieTranslator took 349.75 ms. Allocated memory is still 1.0 GB. Free memory was 956.5 MB in the beginning and 918.9 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-23 14:56:15,399 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 918.9 MB in the beginning and 1.1 GB in the end (delta: -218.5 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2018-11-23 14:56:15,400 INFO L168 Benchmark]: Boogie Preprocessor took 48.94 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-23 14:56:15,400 INFO L168 Benchmark]: RCFGBuilder took 736.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 102.2 MB). Peak memory consumption was 102.2 MB. Max. memory is 11.5 GB. [2018-11-23 14:56:15,400 INFO L168 Benchmark]: TraceAbstraction took 36194.76 ms. Allocated memory was 1.2 GB in the beginning and 3.3 GB in the end (delta: 2.1 GB). Free memory was 1.0 GB in the beginning and 2.6 GB in the end (delta: -1.6 GB). Peak memory consumption was 2.1 GB. Max. memory is 11.5 GB. [2018-11-23 14:56:15,400 INFO L168 Benchmark]: Witness Printer took 92.26 ms. Allocated memory is still 3.3 GB. Free memory was 2.6 GB in the beginning and 2.6 GB in the end (delta: 46.6 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. [2018-11-23 14:56:15,402 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 349.75 ms. Allocated memory is still 1.0 GB. Free memory was 956.5 MB in the beginning and 918.9 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 72.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 918.9 MB in the beginning and 1.1 GB in the end (delta: -218.5 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.94 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 736.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 102.2 MB). Peak memory consumption was 102.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 36194.76 ms. Allocated memory was 1.2 GB in the beginning and 3.3 GB in the end (delta: 2.1 GB). Free memory was 1.0 GB in the beginning and 2.6 GB in the end (delta: -1.6 GB). Peak memory consumption was 2.1 GB. Max. memory is 11.5 GB. * Witness Printer took 92.26 ms. Allocated memory is still 3.3 GB. Free memory was 2.6 GB in the beginning and 2.6 GB in the end (delta: 46.6 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 569]: 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: 583]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((!(a7 == 1) && 15 <= a8) && 1 == a21) && 5 <= a16) && a20 <= 0) && 1 == a17) || (((a21 <= 0 && a17 <= 0) && 5 <= a16) && 1 <= a20)) || !(1 == \old(a20))) || !(5 == \old(a16))) || ((((!(a16 == 6) && a17 <= 0) && a20 <= 0) && 14 <= a8) && 1 == a21)) || ((((1 == a20 && 13 == a8) && 4 == a16) && 1 == a21) && 1 == a17)) || ((a21 <= 0 && !(a16 == 6)) && 1 == a17)) || !(1 == \old(a21))) || ((((14 <= a8 && !(a16 == 6)) && 1 == a21) && a17 <= 0) && 5 <= a16)) || !(8 == a12)) || ((((!(a7 == 1) && \old(a20) == a20) && 1 == a21) && 5 <= a16) && 1 == a17)) || (((!(a7 == 1) && a16 == 4) && a17 <= 0) && 1 == a21)) || (((((!(a7 == 1) && 15 <= a8) && !(a16 == 6)) && 1 == a21) && 5 <= a16) && 1 == a17)) || ((a21 <= 0 && \old(a20) == a20) && a17 <= 0)) || (a21 == \old(a21) && ((!(a7 == 1) && 15 <= a8) && a17 <= 0) && 5 <= a16)) || !(0 == \old(a7))) || ((((!(a7 == 1) && 15 <= a8) && a16 == 4) && 1 == a21) && 1 == a17)) || !(1 == \old(a17))) || !(15 == \old(a8))) || ((1 == a21 && (!(a7 == 1) && a16 == 4) && 1 <= a20) && 1 == a17) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. SAFE Result, 36.1s OverallTime, 14 OverallIterations, 8 TraceHistogramMax, 20.6s AutomataDifference, 0.0s DeadEndRemovalTime, 6.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 1753 SDtfs, 16345 SDslu, 2826 SDs, 0 SdLazy, 19243 SolverSat, 3690 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.7s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 4243 GetRequests, 3985 SyntacticMatches, 15 SemanticMatches, 243 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1880 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16797occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 3.0s AbstIntTime, 10 AbstIntIterations, 4 AbstIntStrong, 0.997449075886013 AbsIntWeakeningRatio, 0.2 AbsIntAvgWeakeningVarsNumRemoved, 29.144303797468353 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 14 MinimizatonAttempts, 3983 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 870 PreInvPairs, 1358 NumberOfFragments, 1286 HoareAnnotationTreeSize, 870 FomulaSimplifications, 335567 FormulaSimplificationTreeSizeReduction, 3.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 23940 FormulaSimplificationTreeSizeReductionInter, 3.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 4512 NumberOfCodeBlocks, 4512 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 6053 ConstructedInterpolants, 0 QuantifiedInterpolants, 3328841 SizeOfPredicates, 8 NumberOfNonLiveVariables, 4049 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 26 InterpolantComputations, 6 PerfectInterpolantSequences, 5196/5717 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...