./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label26_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_60ffb7f9-cb52-47af-8afd-ec24bfb3a21b/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_60ffb7f9-cb52-47af-8afd-ec24bfb3a21b/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_60ffb7f9-cb52-47af-8afd-ec24bfb3a21b/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_60ffb7f9-cb52-47af-8afd-ec24bfb3a21b/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label26_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_60ffb7f9-cb52-47af-8afd-ec24bfb3a21b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_60ffb7f9-cb52-47af-8afd-ec24bfb3a21b/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 e002fb6463a65ebb6b75b40986db95c31112380a .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 15:25:33,929 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 15:25:33,930 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 15:25:33,936 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 15:25:33,936 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 15:25:33,936 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 15:25:33,937 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 15:25:33,938 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 15:25:33,939 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 15:25:33,939 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 15:25:33,939 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 15:25:33,940 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 15:25:33,940 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 15:25:33,941 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 15:25:33,941 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 15:25:33,941 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 15:25:33,942 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 15:25:33,943 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 15:25:33,943 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 15:25:33,944 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 15:25:33,945 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 15:25:33,945 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 15:25:33,946 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 15:25:33,946 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 15:25:33,947 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 15:25:33,947 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 15:25:33,947 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 15:25:33,948 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 15:25:33,948 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 15:25:33,949 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 15:25:33,949 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 15:25:33,949 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 15:25:33,949 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 15:25:33,949 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 15:25:33,950 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 15:25:33,950 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 15:25:33,950 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_60ffb7f9-cb52-47af-8afd-ec24bfb3a21b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 15:25:33,958 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 15:25:33,958 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 15:25:33,958 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 15:25:33,958 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 15:25:33,958 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 15:25:33,959 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 15:25:33,959 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 15:25:33,959 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 15:25:33,959 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 15:25:33,959 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 15:25:33,959 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 15:25:33,959 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 15:25:33,959 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 15:25:33,960 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 15:25:33,960 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 15:25:33,960 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 15:25:33,960 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 15:25:33,960 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 15:25:33,960 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 15:25:33,960 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 15:25:33,960 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 15:25:33,960 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 15:25:33,960 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 15:25:33,960 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 15:25:33,961 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 15:25:33,961 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 15:25:33,961 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 15:25:33,961 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 15:25:33,961 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 15:25:33,961 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 15:25:33,961 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 15:25:33,961 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 15:25:33,961 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 15:25:33,961 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 15:25:33,961 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 15:25:33,962 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 15:25:33,962 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_60ffb7f9-cb52-47af-8afd-ec24bfb3a21b/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 -> e002fb6463a65ebb6b75b40986db95c31112380a [2018-12-02 15:25:33,979 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 15:25:33,989 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 15:25:33,991 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 15:25:33,993 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 15:25:33,993 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 15:25:33,993 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_60ffb7f9-cb52-47af-8afd-ec24bfb3a21b/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem01_label26_true-unreach-call_false-termination.c [2018-12-02 15:25:34,027 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_60ffb7f9-cb52-47af-8afd-ec24bfb3a21b/bin-2019/utaipan/data/bb0e35c3a/dea5b3cf9b364acdacca708696d89328/FLAG05c59c4f8 [2018-12-02 15:25:34,459 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 15:25:34,459 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_60ffb7f9-cb52-47af-8afd-ec24bfb3a21b/sv-benchmarks/c/eca-rers2012/Problem01_label26_true-unreach-call_false-termination.c [2018-12-02 15:25:34,467 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_60ffb7f9-cb52-47af-8afd-ec24bfb3a21b/bin-2019/utaipan/data/bb0e35c3a/dea5b3cf9b364acdacca708696d89328/FLAG05c59c4f8 [2018-12-02 15:25:34,476 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_60ffb7f9-cb52-47af-8afd-ec24bfb3a21b/bin-2019/utaipan/data/bb0e35c3a/dea5b3cf9b364acdacca708696d89328 [2018-12-02 15:25:34,478 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 15:25:34,479 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 15:25:34,480 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 15:25:34,480 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 15:25:34,483 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 15:25:34,484 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:25:34" (1/1) ... [2018-12-02 15:25:34,485 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54724d61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:25:34, skipping insertion in model container [2018-12-02 15:25:34,486 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:25:34" (1/1) ... [2018-12-02 15:25:34,490 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 15:25:34,517 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 15:25:34,693 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 15:25:34,696 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 15:25:34,792 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 15:25:34,804 INFO L195 MainTranslator]: Completed translation [2018-12-02 15:25:34,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:25:34 WrapperNode [2018-12-02 15:25:34,805 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 15:25:34,806 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 15:25:34,806 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 15:25:34,806 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 15:25:34,813 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:25:34" (1/1) ... [2018-12-02 15:25:34,824 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:25:34" (1/1) ... [2018-12-02 15:25:34,831 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 15:25:34,831 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 15:25:34,831 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 15:25:34,831 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 15:25:34,837 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:25:34" (1/1) ... [2018-12-02 15:25:34,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:25:34" (1/1) ... [2018-12-02 15:25:34,841 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:25:34" (1/1) ... [2018-12-02 15:25:34,841 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:25:34" (1/1) ... [2018-12-02 15:25:34,864 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:25:34" (1/1) ... [2018-12-02 15:25:34,873 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:25:34" (1/1) ... [2018-12-02 15:25:34,877 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:25:34" (1/1) ... [2018-12-02 15:25:34,882 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 15:25:34,882 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 15:25:34,883 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 15:25:34,883 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 15:25:34,883 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:25:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_60ffb7f9-cb52-47af-8afd-ec24bfb3a21b/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 15:25:34,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 15:25:34,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 15:25:34,919 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-02 15:25:34,920 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-02 15:25:34,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 15:25:34,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 15:25:34,920 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 15:25:34,920 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 15:25:35,469 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 15:25:35,469 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-02 15:25:35,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:25:35 BoogieIcfgContainer [2018-12-02 15:25:35,470 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 15:25:35,470 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 15:25:35,470 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 15:25:35,473 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 15:25:35,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:25:34" (1/3) ... [2018-12-02 15:25:35,474 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21d43cab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:25:35, skipping insertion in model container [2018-12-02 15:25:35,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:25:34" (2/3) ... [2018-12-02 15:25:35,474 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21d43cab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:25:35, skipping insertion in model container [2018-12-02 15:25:35,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:25:35" (3/3) ... [2018-12-02 15:25:35,476 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label26_true-unreach-call_false-termination.c [2018-12-02 15:25:35,484 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 15:25:35,491 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 15:25:35,503 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 15:25:35,531 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 15:25:35,531 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 15:25:35,531 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 15:25:35,531 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 15:25:35,531 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 15:25:35,532 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 15:25:35,532 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 15:25:35,532 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 15:25:35,550 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2018-12-02 15:25:35,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-02 15:25:35,558 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 15:25:35,559 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] [2018-12-02 15:25:35,560 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 15:25:35,565 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:25:35,565 INFO L82 PathProgramCache]: Analyzing trace with hash -1414431897, now seen corresponding path program 1 times [2018-12-02 15:25:35,567 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 15:25:35,597 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:25:35,597 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 15:25:35,597 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:25:35,597 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 15:25:35,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:25:35,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:25:35,808 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 15:25:35,809 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 15:25:35,809 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 15:25:35,812 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 15:25:35,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 15:25:35,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 15:25:35,822 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2018-12-02 15:25:36,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 15:25:36,244 INFO L93 Difference]: Finished difference Result 547 states and 938 transitions. [2018-12-02 15:25:36,244 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 15:25:36,245 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 109 [2018-12-02 15:25:36,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 15:25:36,253 INFO L225 Difference]: With dead ends: 547 [2018-12-02 15:25:36,253 INFO L226 Difference]: Without dead ends: 278 [2018-12-02 15:25:36,256 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 [2018-12-02 15:25:36,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2018-12-02 15:25:36,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2018-12-02 15:25:36,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2018-12-02 15:25:36,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 394 transitions. [2018-12-02 15:25:36,289 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 394 transitions. Word has length 109 [2018-12-02 15:25:36,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 15:25:36,290 INFO L480 AbstractCegarLoop]: Abstraction has 278 states and 394 transitions. [2018-12-02 15:25:36,290 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 15:25:36,290 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 394 transitions. [2018-12-02 15:25:36,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-12-02 15:25:36,293 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 15:25:36,294 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] [2018-12-02 15:25:36,294 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 15:25:36,294 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:25:36,294 INFO L82 PathProgramCache]: Analyzing trace with hash -609512656, now seen corresponding path program 1 times [2018-12-02 15:25:36,295 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 15:25:36,295 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:25:36,296 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 15:25:36,296 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:25:36,296 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 15:25:36,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:25:36,373 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:25:36,373 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 15:25:36,373 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 15:25:36,373 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 15:25:36,375 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 15:25:36,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 15:25:36,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 15:25:36,375 INFO L87 Difference]: Start difference. First operand 278 states and 394 transitions. Second operand 6 states. [2018-12-02 15:25:36,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 15:25:36,736 INFO L93 Difference]: Finished difference Result 840 states and 1222 transitions. [2018-12-02 15:25:36,736 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 15:25:36,736 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 119 [2018-12-02 15:25:36,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 15:25:36,740 INFO L225 Difference]: With dead ends: 840 [2018-12-02 15:25:36,740 INFO L226 Difference]: Without dead ends: 568 [2018-12-02 15:25:36,741 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-02 15:25:36,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 568 states. [2018-12-02 15:25:36,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 568 to 556. [2018-12-02 15:25:36,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 556 states. [2018-12-02 15:25:36,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 785 transitions. [2018-12-02 15:25:36,769 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 785 transitions. Word has length 119 [2018-12-02 15:25:36,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 15:25:36,769 INFO L480 AbstractCegarLoop]: Abstraction has 556 states and 785 transitions. [2018-12-02 15:25:36,769 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 15:25:36,769 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 785 transitions. [2018-12-02 15:25:36,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-12-02 15:25:36,771 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 15:25:36,771 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] [2018-12-02 15:25:36,772 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 15:25:36,772 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:25:36,772 INFO L82 PathProgramCache]: Analyzing trace with hash 1252784430, now seen corresponding path program 1 times [2018-12-02 15:25:36,772 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 15:25:36,773 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:25:36,773 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 15:25:36,773 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:25:36,774 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 15:25:36,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:25:36,935 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:25:36,935 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 15:25:36,935 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 15:25:36,935 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 15:25:36,935 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 15:25:36,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 15:25:36,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-02 15:25:36,936 INFO L87 Difference]: Start difference. First operand 556 states and 785 transitions. Second operand 5 states. [2018-12-02 15:25:37,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 15:25:37,245 INFO L93 Difference]: Finished difference Result 1205 states and 1730 transitions. [2018-12-02 15:25:37,245 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 15:25:37,246 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 120 [2018-12-02 15:25:37,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 15:25:37,248 INFO L225 Difference]: With dead ends: 1205 [2018-12-02 15:25:37,248 INFO L226 Difference]: Without dead ends: 554 [2018-12-02 15:25:37,250 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 [2018-12-02 15:25:37,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2018-12-02 15:25:37,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 554. [2018-12-02 15:25:37,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 554 states. [2018-12-02 15:25:37,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 712 transitions. [2018-12-02 15:25:37,266 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 712 transitions. Word has length 120 [2018-12-02 15:25:37,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 15:25:37,267 INFO L480 AbstractCegarLoop]: Abstraction has 554 states and 712 transitions. [2018-12-02 15:25:37,267 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 15:25:37,267 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 712 transitions. [2018-12-02 15:25:37,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-12-02 15:25:37,268 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 15:25:37,268 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] [2018-12-02 15:25:37,268 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 15:25:37,269 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:25:37,269 INFO L82 PathProgramCache]: Analyzing trace with hash -1557577546, now seen corresponding path program 1 times [2018-12-02 15:25:37,269 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 15:25:37,269 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:25:37,269 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 15:25:37,269 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:25:37,269 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 15:25:37,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:25:37,331 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:25:37,331 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 15:25:37,331 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 15:25:37,331 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 15:25:37,331 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 15:25:37,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 15:25:37,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-02 15:25:37,332 INFO L87 Difference]: Start difference. First operand 554 states and 712 transitions. Second operand 4 states. [2018-12-02 15:25:37,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 15:25:37,715 INFO L93 Difference]: Finished difference Result 1372 states and 1784 transitions. [2018-12-02 15:25:37,715 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 15:25:37,715 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 124 [2018-12-02 15:25:37,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 15:25:37,717 INFO L225 Difference]: With dead ends: 1372 [2018-12-02 15:25:37,717 INFO L226 Difference]: Without dead ends: 824 [2018-12-02 15:25:37,718 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-02 15:25:37,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 824 states. [2018-12-02 15:25:37,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 824 to 824. [2018-12-02 15:25:37,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 824 states. [2018-12-02 15:25:37,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 824 states and 1027 transitions. [2018-12-02 15:25:37,731 INFO L78 Accepts]: Start accepts. Automaton has 824 states and 1027 transitions. Word has length 124 [2018-12-02 15:25:37,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 15:25:37,731 INFO L480 AbstractCegarLoop]: Abstraction has 824 states and 1027 transitions. [2018-12-02 15:25:37,731 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 15:25:37,731 INFO L276 IsEmpty]: Start isEmpty. Operand 824 states and 1027 transitions. [2018-12-02 15:25:37,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-12-02 15:25:37,733 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 15:25:37,733 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 15:25:37,733 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 15:25:37,733 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:25:37,733 INFO L82 PathProgramCache]: Analyzing trace with hash -323555598, now seen corresponding path program 1 times [2018-12-02 15:25:37,733 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 15:25:37,734 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:25:37,734 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 15:25:37,734 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:25:37,734 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 15:25:37,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:25:37,804 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 67 proven. 15 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-02 15:25:37,804 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 15:25:37,804 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 15:25:37,805 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 169 with the following transitions: [2018-12-02 15:25:37,806 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [73], [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], [517], [519], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-02 15:25:37,833 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 15:25:37,833 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 15:25:38,096 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 15:25:38,098 INFO L272 AbstractInterpreter]: Visited 111 different actions 111 times. Never merged. Never widened. Performed 1511 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1511 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 42 variables. [2018-12-02 15:25:38,102 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:25:38,102 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 15:25:38,335 INFO L227 lantSequenceWeakener]: Weakened 156 states. On average, predicates are now at 80.29% of their original sizes. [2018-12-02 15:25:38,335 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 15:25:38,355 INFO L418 sIntCurrentIteration]: We unified 167 AI predicates to 167 [2018-12-02 15:25:38,355 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 15:25:38,355 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 15:25:38,355 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-12-02 15:25:38,355 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 15:25:38,356 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 15:25:38,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 15:25:38,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 15:25:38,356 INFO L87 Difference]: Start difference. First operand 824 states and 1027 transitions. Second operand 6 states. [2018-12-02 15:25:40,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 15:25:40,258 INFO L93 Difference]: Finished difference Result 1778 states and 2206 transitions. [2018-12-02 15:25:40,258 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 15:25:40,258 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 168 [2018-12-02 15:25:40,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 15:25:40,260 INFO L225 Difference]: With dead ends: 1778 [2018-12-02 15:25:40,260 INFO L226 Difference]: Without dead ends: 960 [2018-12-02 15:25:40,261 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 168 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-02 15:25:40,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 960 states. [2018-12-02 15:25:40,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 960 to 959. [2018-12-02 15:25:40,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 959 states. [2018-12-02 15:25:40,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 959 states and 1168 transitions. [2018-12-02 15:25:40,273 INFO L78 Accepts]: Start accepts. Automaton has 959 states and 1168 transitions. Word has length 168 [2018-12-02 15:25:40,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 15:25:40,273 INFO L480 AbstractCegarLoop]: Abstraction has 959 states and 1168 transitions. [2018-12-02 15:25:40,274 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 15:25:40,274 INFO L276 IsEmpty]: Start isEmpty. Operand 959 states and 1168 transitions. [2018-12-02 15:25:40,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-12-02 15:25:40,275 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 15:25:40,275 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2018-12-02 15:25:40,275 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 15:25:40,276 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:25:40,276 INFO L82 PathProgramCache]: Analyzing trace with hash -1525224755, now seen corresponding path program 1 times [2018-12-02 15:25:40,276 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 15:25:40,276 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:25:40,276 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 15:25:40,276 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:25:40,276 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 15:25:40,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:25:40,357 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 81 proven. 41 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 15:25:40,357 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 15:25:40,357 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 15:25:40,358 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 177 with the following transitions: [2018-12-02 15:25:40,358 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [73], [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], [517], [519], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-02 15:25:40,361 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 15:25:40,362 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 15:25:40,550 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 15:25:40,550 INFO L272 AbstractInterpreter]: Visited 115 different actions 224 times. Merged at 4 different actions 4 times. Never widened. Performed 3015 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3015 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-12-02 15:25:40,556 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:25:40,556 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 15:25:40,748 INFO L227 lantSequenceWeakener]: Weakened 173 states. On average, predicates are now at 81.69% of their original sizes. [2018-12-02 15:25:40,748 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 15:25:40,803 INFO L418 sIntCurrentIteration]: We unified 175 AI predicates to 175 [2018-12-02 15:25:40,803 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 15:25:40,803 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 15:25:40,804 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [9] total 17 [2018-12-02 15:25:40,804 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 15:25:40,804 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 15:25:40,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 15:25:40,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 15:25:40,805 INFO L87 Difference]: Start difference. First operand 959 states and 1168 transitions. Second operand 10 states. [2018-12-02 15:25:43,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 15:25:43,153 INFO L93 Difference]: Finished difference Result 1916 states and 2350 transitions. [2018-12-02 15:25:43,153 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-02 15:25:43,153 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 176 [2018-12-02 15:25:43,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 15:25:43,155 INFO L225 Difference]: With dead ends: 1916 [2018-12-02 15:25:43,156 INFO L226 Difference]: Without dead ends: 1098 [2018-12-02 15:25:43,157 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 183 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-12-02 15:25:43,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1098 states. [2018-12-02 15:25:43,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1098 to 1096. [2018-12-02 15:25:43,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1096 states. [2018-12-02 15:25:43,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1096 states to 1096 states and 1315 transitions. [2018-12-02 15:25:43,180 INFO L78 Accepts]: Start accepts. Automaton has 1096 states and 1315 transitions. Word has length 176 [2018-12-02 15:25:43,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 15:25:43,180 INFO L480 AbstractCegarLoop]: Abstraction has 1096 states and 1315 transitions. [2018-12-02 15:25:43,180 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 15:25:43,180 INFO L276 IsEmpty]: Start isEmpty. Operand 1096 states and 1315 transitions. [2018-12-02 15:25:43,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-02 15:25:43,183 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 15:25:43,184 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2018-12-02 15:25:43,184 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 15:25:43,184 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:25:43,184 INFO L82 PathProgramCache]: Analyzing trace with hash 1202908254, now seen corresponding path program 1 times [2018-12-02 15:25:43,184 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 15:25:43,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:25:43,185 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 15:25:43,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:25:43,185 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 15:25:43,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:25:43,288 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 89 proven. 15 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-02 15:25:43,288 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 15:25:43,288 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 15:25:43,289 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 191 with the following transitions: [2018-12-02 15:25:43,289 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [73], [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], [517], [519], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-02 15:25:43,292 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 15:25:43,292 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 15:25:43,427 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 15:25:43,427 INFO L272 AbstractInterpreter]: Visited 114 different actions 222 times. Merged at 4 different actions 4 times. Never widened. Performed 3036 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3036 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-12-02 15:25:43,432 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:25:43,432 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 15:25:43,584 INFO L227 lantSequenceWeakener]: Weakened 187 states. On average, predicates are now at 81.69% of their original sizes. [2018-12-02 15:25:43,584 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 15:25:43,629 INFO L418 sIntCurrentIteration]: We unified 189 AI predicates to 189 [2018-12-02 15:25:43,629 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 15:25:43,630 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 15:25:43,630 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-02 15:25:43,630 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 15:25:43,630 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 15:25:43,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 15:25:43,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 15:25:43,630 INFO L87 Difference]: Start difference. First operand 1096 states and 1315 transitions. Second operand 10 states. [2018-12-02 15:25:46,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 15:25:46,074 INFO L93 Difference]: Finished difference Result 2325 states and 2838 transitions. [2018-12-02 15:25:46,074 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-02 15:25:46,074 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 190 [2018-12-02 15:25:46,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 15:25:46,078 INFO L225 Difference]: With dead ends: 2325 [2018-12-02 15:25:46,078 INFO L226 Difference]: Without dead ends: 1507 [2018-12-02 15:25:46,079 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 198 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-12-02 15:25:46,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1507 states. [2018-12-02 15:25:46,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1507 to 1505. [2018-12-02 15:25:46,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1505 states. [2018-12-02 15:25:46,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1505 states to 1505 states and 1761 transitions. [2018-12-02 15:25:46,108 INFO L78 Accepts]: Start accepts. Automaton has 1505 states and 1761 transitions. Word has length 190 [2018-12-02 15:25:46,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 15:25:46,109 INFO L480 AbstractCegarLoop]: Abstraction has 1505 states and 1761 transitions. [2018-12-02 15:25:46,109 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 15:25:46,109 INFO L276 IsEmpty]: Start isEmpty. Operand 1505 states and 1761 transitions. [2018-12-02 15:25:46,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-12-02 15:25:46,113 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 15:25:46,113 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2018-12-02 15:25:46,113 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 15:25:46,114 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:25:46,114 INFO L82 PathProgramCache]: Analyzing trace with hash -125648391, now seen corresponding path program 1 times [2018-12-02 15:25:46,114 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 15:25:46,114 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:25:46,115 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 15:25:46,115 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:25:46,115 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 15:25:46,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:25:46,211 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 86 proven. 45 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-02 15:25:46,211 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 15:25:46,211 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 15:25:46,211 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 199 with the following transitions: [2018-12-02 15:25:46,211 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [73], [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], [517], [519], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-02 15:25:46,213 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 15:25:46,213 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 15:25:46,445 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 15:25:46,445 INFO L272 AbstractInterpreter]: Visited 116 different actions 463 times. Merged at 8 different actions 32 times. Widened at 1 different actions 1 times. Performed 6658 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6658 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 8 fixpoints after 3 different actions. Largest state had 42 variables. [2018-12-02 15:25:46,447 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:25:46,448 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 15:25:46,448 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 15:25:46,448 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_60ffb7f9-cb52-47af-8afd-ec24bfb3a21b/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 15:25:46,454 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 15:25:46,454 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 15:25:46,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:25:46,517 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 15:25:46,598 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 103 proven. 2 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-12-02 15:25:46,598 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 15:25:46,666 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 91 proven. 38 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-02 15:25:46,682 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 15:25:46,683 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-12-02 15:25:46,683 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 15:25:46,683 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-02 15:25:46,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-02 15:25:46,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-12-02 15:25:46,684 INFO L87 Difference]: Start difference. First operand 1505 states and 1761 transitions. Second operand 11 states. [2018-12-02 15:25:47,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 15:25:47,726 INFO L93 Difference]: Finished difference Result 4404 states and 5443 transitions. [2018-12-02 15:25:47,726 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-02 15:25:47,726 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 198 [2018-12-02 15:25:47,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 15:25:47,735 INFO L225 Difference]: With dead ends: 4404 [2018-12-02 15:25:47,735 INFO L226 Difference]: Without dead ends: 3449 [2018-12-02 15:25:47,737 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 419 GetRequests, 399 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=111, Invalid=269, Unknown=0, NotChecked=0, Total=380 [2018-12-02 15:25:47,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3449 states. [2018-12-02 15:25:47,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3449 to 3441. [2018-12-02 15:25:47,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3441 states. [2018-12-02 15:25:47,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3441 states to 3441 states and 4097 transitions. [2018-12-02 15:25:47,782 INFO L78 Accepts]: Start accepts. Automaton has 3441 states and 4097 transitions. Word has length 198 [2018-12-02 15:25:47,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 15:25:47,783 INFO L480 AbstractCegarLoop]: Abstraction has 3441 states and 4097 transitions. [2018-12-02 15:25:47,783 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-02 15:25:47,783 INFO L276 IsEmpty]: Start isEmpty. Operand 3441 states and 4097 transitions. [2018-12-02 15:25:47,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-12-02 15:25:47,787 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 15:25:47,788 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-02 15:25:47,788 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 15:25:47,788 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:25:47,788 INFO L82 PathProgramCache]: Analyzing trace with hash -244561614, now seen corresponding path program 1 times [2018-12-02 15:25:47,788 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 15:25:47,789 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:25:47,789 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 15:25:47,789 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:25:47,789 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 15:25:47,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:25:47,882 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 110 proven. 70 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-12-02 15:25:47,882 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 15:25:47,882 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 15:25:47,882 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 222 with the following transitions: [2018-12-02 15:25:47,883 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [89], [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], [517], [519], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-02 15:25:47,885 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 15:25:47,885 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 15:25:48,135 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 15:25:48,135 INFO L272 AbstractInterpreter]: Visited 117 different actions 471 times. Merged at 9 different actions 36 times. Widened at 1 different actions 1 times. Performed 6760 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6760 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 10 fixpoints after 4 different actions. Largest state had 42 variables. [2018-12-02 15:25:48,140 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:25:48,140 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 15:25:48,140 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 15:25:48,140 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_60ffb7f9-cb52-47af-8afd-ec24bfb3a21b/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 15:25:48,146 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 15:25:48,146 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 15:25:48,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:25:48,195 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 15:25:48,240 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 133 proven. 2 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2018-12-02 15:25:48,240 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 15:25:48,287 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 115 proven. 20 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2018-12-02 15:25:48,342 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 15:25:48,342 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 14 [2018-12-02 15:25:48,342 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 15:25:48,343 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-02 15:25:48,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-02 15:25:48,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2018-12-02 15:25:48,343 INFO L87 Difference]: Start difference. First operand 3441 states and 4097 transitions. Second operand 12 states. [2018-12-02 15:25:50,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 15:25:50,570 INFO L93 Difference]: Finished difference Result 12011 states and 15585 transitions. [2018-12-02 15:25:50,570 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-12-02 15:25:50,571 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 221 [2018-12-02 15:25:50,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 15:25:50,599 INFO L225 Difference]: With dead ends: 12011 [2018-12-02 15:25:50,599 INFO L226 Difference]: Without dead ends: 8848 [2018-12-02 15:25:50,607 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 525 GetRequests, 475 SyntacticMatches, 1 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 711 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=532, Invalid=2018, Unknown=0, NotChecked=0, Total=2550 [2018-12-02 15:25:50,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8848 states. [2018-12-02 15:25:50,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8848 to 8385. [2018-12-02 15:25:50,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8385 states. [2018-12-02 15:25:50,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8385 states to 8385 states and 10478 transitions. [2018-12-02 15:25:50,735 INFO L78 Accepts]: Start accepts. Automaton has 8385 states and 10478 transitions. Word has length 221 [2018-12-02 15:25:50,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 15:25:50,735 INFO L480 AbstractCegarLoop]: Abstraction has 8385 states and 10478 transitions. [2018-12-02 15:25:50,735 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-02 15:25:50,735 INFO L276 IsEmpty]: Start isEmpty. Operand 8385 states and 10478 transitions. [2018-12-02 15:25:50,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-12-02 15:25:50,747 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 15:25:50,747 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] [2018-12-02 15:25:50,747 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 15:25:50,747 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:25:50,747 INFO L82 PathProgramCache]: Analyzing trace with hash 2025089395, now seen corresponding path program 1 times [2018-12-02 15:25:50,747 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 15:25:50,748 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:25:50,748 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 15:25:50,748 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:25:50,748 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 15:25:50,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:25:50,847 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 164 proven. 51 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-02 15:25:50,847 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 15:25:50,847 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 15:25:50,847 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 228 with the following transitions: [2018-12-02 15:25:50,848 INFO L205 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], [517], [519], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-02 15:25:50,849 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 15:25:50,849 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 15:25:51,157 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 15:25:51,158 INFO L272 AbstractInterpreter]: Visited 116 different actions 460 times. Merged at 8 different actions 29 times. Widened at 1 different actions 1 times. Performed 6713 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6713 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 7 fixpoints after 4 different actions. Largest state had 42 variables. [2018-12-02 15:25:51,159 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:25:51,159 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 15:25:51,159 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 15:25:51,159 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_60ffb7f9-cb52-47af-8afd-ec24bfb3a21b/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 15:25:51,165 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 15:25:51,165 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 15:25:51,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:25:51,216 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 15:25:51,248 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 156 proven. 25 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-12-02 15:25:51,248 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 15:25:51,309 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 179 proven. 2 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-12-02 15:25:51,324 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 15:25:51,324 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 4, 4] total 12 [2018-12-02 15:25:51,324 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 15:25:51,325 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-02 15:25:51,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-02 15:25:51,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2018-12-02 15:25:51,325 INFO L87 Difference]: Start difference. First operand 8385 states and 10478 transitions. Second operand 11 states. [2018-12-02 15:25:52,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 15:25:52,692 INFO L93 Difference]: Finished difference Result 18390 states and 24917 transitions. [2018-12-02 15:25:52,693 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-12-02 15:25:52,693 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 227 [2018-12-02 15:25:52,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 15:25:52,721 INFO L225 Difference]: With dead ends: 18390 [2018-12-02 15:25:52,722 INFO L226 Difference]: Without dead ends: 10559 [2018-12-02 15:25:52,735 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 514 GetRequests, 472 SyntacticMatches, 3 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 453 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=316, Invalid=1324, Unknown=0, NotChecked=0, Total=1640 [2018-12-02 15:25:52,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10559 states. [2018-12-02 15:25:52,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10559 to 9492. [2018-12-02 15:25:52,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9492 states. [2018-12-02 15:25:52,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9492 states to 9492 states and 11313 transitions. [2018-12-02 15:25:52,886 INFO L78 Accepts]: Start accepts. Automaton has 9492 states and 11313 transitions. Word has length 227 [2018-12-02 15:25:52,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 15:25:52,887 INFO L480 AbstractCegarLoop]: Abstraction has 9492 states and 11313 transitions. [2018-12-02 15:25:52,887 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-02 15:25:52,887 INFO L276 IsEmpty]: Start isEmpty. Operand 9492 states and 11313 transitions. [2018-12-02 15:25:52,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2018-12-02 15:25:52,901 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 15:25:52,901 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 15:25:52,901 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 15:25:52,901 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:25:52,901 INFO L82 PathProgramCache]: Analyzing trace with hash 32412591, now seen corresponding path program 1 times [2018-12-02 15:25:52,902 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 15:25:52,902 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:25:52,902 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 15:25:52,902 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:25:52,902 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 15:25:52,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:25:53,032 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 236 proven. 2 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2018-12-02 15:25:53,033 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 15:25:53,033 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 15:25:53,033 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 267 with the following transitions: [2018-12-02 15:25:53,033 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [45], [46], [49], [50], [54], [58], [62], [66], [70], [73], [74], [78], [82], [86], [90], [94], [98], [102], [106], [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], [517], [519], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-02 15:25:53,035 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 15:25:53,036 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 15:25:53,286 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 15:25:53,286 INFO L272 AbstractInterpreter]: Visited 118 different actions 473 times. Merged at 10 different actions 34 times. Widened at 1 different actions 1 times. Performed 7006 root evaluator evaluations with a maximum evaluation depth of 3. Performed 7006 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 11 fixpoints after 5 different actions. Largest state had 42 variables. [2018-12-02 15:25:53,288 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:25:53,288 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 15:25:53,288 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 15:25:53,288 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_60ffb7f9-cb52-47af-8afd-ec24bfb3a21b/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 15:25:53,294 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 15:25:53,294 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 15:25:53,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:25:53,350 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 15:25:53,406 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 236 proven. 2 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2018-12-02 15:25:53,406 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 15:25:53,473 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 236 proven. 2 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2018-12-02 15:25:53,487 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 15:25:53,488 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 12 [2018-12-02 15:25:53,488 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 15:25:53,488 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 15:25:53,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 15:25:53,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2018-12-02 15:25:53,488 INFO L87 Difference]: Start difference. First operand 9492 states and 11313 transitions. Second operand 9 states. [2018-12-02 15:25:54,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 15:25:54,075 INFO L93 Difference]: Finished difference Result 18053 states and 22001 transitions. [2018-12-02 15:25:54,075 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-02 15:25:54,075 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 266 [2018-12-02 15:25:54,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 15:25:54,076 INFO L225 Difference]: With dead ends: 18053 [2018-12-02 15:25:54,076 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 15:25:54,109 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 555 GetRequests, 535 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=120, Invalid=342, Unknown=0, NotChecked=0, Total=462 [2018-12-02 15:25:54,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 15:25:54,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 15:25:54,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 15:25:54,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 15:25:54,110 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 266 [2018-12-02 15:25:54,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 15:25:54,110 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 15:25:54,111 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 15:25:54,111 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 15:25:54,111 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 15:25:54,114 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 15:25:54,342 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,343 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,344 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,348 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,349 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,352 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,354 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,354 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,355 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,356 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,356 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,363 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,363 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,364 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,364 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,365 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,367 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,368 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,368 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,369 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,369 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,370 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,371 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,376 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,377 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,377 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,377 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,378 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,381 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,382 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,382 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,383 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,383 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,384 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,397 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,398 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,399 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,399 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,399 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,415 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,451 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,451 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,458 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,465 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,562 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,563 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,564 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,565 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,566 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,567 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,570 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,572 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,575 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,577 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,578 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,579 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,580 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,582 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,582 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,587 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,591 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,602 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,606 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,608 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,610 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,611 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,617 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,618 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,620 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,623 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,624 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,627 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,634 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,636 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,639 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,640 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,641 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,642 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,643 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,646 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,653 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,653 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,662 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,666 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,674 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,678 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,682 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,683 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,694 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,696 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,700 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,700 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,707 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,712 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,717 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,730 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,741 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,743 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,745 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,755 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,757 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,759 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,761 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,763 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,767 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,782 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,786 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,790 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,801 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,805 WARN L180 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 573 DAG size of output: 185 [2018-12-02 15:25:54,858 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,858 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,859 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,862 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,863 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,865 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,866 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,867 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,867 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,868 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,868 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,873 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,873 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,874 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,874 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,874 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,876 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,876 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,877 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,877 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,877 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,878 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,879 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,882 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,883 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,883 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,883 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,884 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,886 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,887 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,887 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,888 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,888 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,888 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,897 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,898 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,898 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,899 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,899 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,912 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,942 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,943 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,957 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,961 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,969 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:54,976 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:55,038 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:55,039 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:55,040 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:55,040 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:55,041 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:55,042 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:55,042 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:55,044 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:55,047 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:55,048 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:55,049 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:55,050 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:55,051 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:55,052 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:55,053 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:55,056 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:55,061 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:55,070 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:55,073 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:55,075 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:55,076 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:55,077 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:55,082 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:55,083 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:55,084 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:55,087 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:55,088 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:55,090 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:55,096 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:55,098 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:55,100 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:55,101 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:55,102 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:55,103 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:55,104 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:55,105 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:55,110 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:55,111 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:55,116 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:55,122 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:55,128 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:55,130 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:55,132 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:55,133 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:55,141 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:55,142 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:55,145 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:55,145 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:55,149 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:55,150 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:55,156 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:55,165 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:55,172 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:55,174 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:55,175 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:55,182 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:55,183 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:55,185 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:55,186 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:55,188 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:55,190 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:55,201 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:55,204 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:55,207 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:55,215 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:25:55,217 WARN L180 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 582 DAG size of output: 188 [2018-12-02 15:25:56,192 WARN L180 SmtUtils]: Spent 887.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 101 [2018-12-02 15:25:56,531 WARN L180 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 67 [2018-12-02 15:25:56,871 WARN L180 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 67 [2018-12-02 15:25:56,873 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 15:25:56,873 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)|)) [2018-12-02 15:25:56,873 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 15:25:56,873 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-12-02 15:25:56,873 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-12-02 15:25:56,873 INFO L448 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 15:25:56,873 INFO L448 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 15:25:56,873 INFO L448 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 15:25:56,873 INFO L448 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 15:25:56,873 INFO L448 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 15:25:56,873 INFO L448 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 15:25:56,873 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-12-02 15:25:56,873 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-12-02 15:25:56,873 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-12-02 15:25:56,873 INFO L448 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-12-02 15:25:56,873 INFO L448 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-12-02 15:25:56,873 INFO L448 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-12-02 15:25:56,873 INFO L448 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-12-02 15:25:56,874 INFO L448 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-12-02 15:25:56,874 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-12-02 15:25:56,874 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-12-02 15:25:56,874 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 15:25:56,874 INFO L448 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 15:25:56,874 INFO L448 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 15:25:56,874 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 15:25:56,874 INFO L448 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 15:25:56,874 INFO L448 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 15:25:56,874 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-12-02 15:25:56,874 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-12-02 15:25:56,874 INFO L448 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-12-02 15:25:56,874 INFO L448 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-12-02 15:25:56,874 INFO L448 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-12-02 15:25:56,874 INFO L448 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-12-02 15:25:56,874 INFO L448 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-12-02 15:25:56,874 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-12-02 15:25:56,874 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-12-02 15:25:56,874 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-12-02 15:25:56,874 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-12-02 15:25:56,874 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-12-02 15:25:56,874 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-12-02 15:25:56,874 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-12-02 15:25:56,874 INFO L448 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-12-02 15:25:56,875 INFO L448 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 15:25:56,875 INFO L448 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 15:25:56,875 INFO L448 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 15:25:56,875 INFO L448 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 15:25:56,875 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 15:25:56,875 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-12-02 15:25:56,875 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-12-02 15:25:56,875 INFO L448 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-12-02 15:25:56,875 INFO L448 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-12-02 15:25:56,875 INFO L448 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-12-02 15:25:56,875 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-12-02 15:25:56,875 INFO L448 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-12-02 15:25:56,875 INFO L448 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-12-02 15:25:56,875 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-12-02 15:25:56,875 INFO L448 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 15:25:56,875 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 15:25:56,875 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 15:25:56,875 INFO L448 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 15:25:56,875 INFO L448 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 15:25:56,875 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-12-02 15:25:56,875 INFO L448 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-12-02 15:25:56,875 INFO L448 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-12-02 15:25:56,875 INFO L448 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-12-02 15:25:56,875 INFO L448 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-12-02 15:25:56,875 INFO L448 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-12-02 15:25:56,876 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-12-02 15:25:56,876 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-12-02 15:25:56,876 INFO L448 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-12-02 15:25:56,876 INFO L448 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-12-02 15:25:56,876 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-12-02 15:25:56,876 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-12-02 15:25:56,876 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-12-02 15:25:56,876 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 15:25:56,876 INFO L448 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 15:25:56,876 INFO L448 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 15:25:56,876 INFO L448 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 15:25:56,876 INFO L448 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 15:25:56,876 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-12-02 15:25:56,876 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-12-02 15:25:56,876 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-12-02 15:25:56,876 INFO L448 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-12-02 15:25:56,876 INFO L448 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-12-02 15:25:56,876 INFO L448 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-12-02 15:25:56,876 INFO L448 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-12-02 15:25:56,876 INFO L448 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-12-02 15:25:56,876 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-12-02 15:25:56,876 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-12-02 15:25:56,876 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-12-02 15:25:56,876 INFO L448 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 15:25:56,876 INFO L448 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 15:25:56,876 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 15:25:56,877 INFO L448 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 15:25:56,877 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-12-02 15:25:56,877 INFO L448 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 15:25:56,877 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-12-02 15:25:56,877 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-12-02 15:25:56,877 INFO L448 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-12-02 15:25:56,877 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-12-02 15:25:56,877 INFO L448 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-12-02 15:25:56,877 INFO L448 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-12-02 15:25:56,877 INFO L448 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-12-02 15:25:56,877 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-12-02 15:25:56,877 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-12-02 15:25:56,877 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-12-02 15:25:56,877 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-12-02 15:25:56,877 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-12-02 15:25:56,877 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-12-02 15:25:56,877 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 485) no Hoare annotation was computed. [2018-12-02 15:25:56,877 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 15:25:56,877 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 15:25:56,877 INFO L448 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 15:25:56,877 INFO L448 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 15:25:56,877 INFO L448 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 15:25:56,877 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-12-02 15:25:56,878 INFO L448 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-12-02 15:25:56,878 INFO L448 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-12-02 15:25:56,878 INFO L448 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-12-02 15:25:56,878 INFO L448 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-12-02 15:25:56,878 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-12-02 15:25:56,878 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-12-02 15:25:56,878 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-12-02 15:25:56,878 INFO L448 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 15:25:56,878 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 15:25:56,878 INFO L448 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 15:25:56,878 INFO L448 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 15:25:56,878 INFO L448 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 15:25:56,878 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-12-02 15:25:56,878 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-12-02 15:25:56,878 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-12-02 15:25:56,878 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-12-02 15:25:56,878 INFO L448 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-12-02 15:25:56,878 INFO L448 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-12-02 15:25:56,878 INFO L448 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-12-02 15:25:56,878 INFO L448 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-12-02 15:25:56,878 INFO L448 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-12-02 15:25:56,878 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-12-02 15:25:56,879 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse14 (= 1 |old(~a17~0)|)) (.cse7 (= |old(~a20~0)| ~a20~0)) (.cse6 (= ~a7~0 |old(~a7~0)|)) (.cse8 (= ~a17~0 |old(~a17~0)|)) (.cse26 (= ~a16~0 |old(~a16~0)|)) (.cse9 (<= |old(~a8~0)| ~a8~0)) (.cse27 (= 1 ~a21~0))) (let ((.cse5 (< 0 |old(~a20~0)|)) (.cse3 (and .cse7 .cse6 .cse8 .cse26 .cse9 .cse27)) (.cse15 (< |old(~a8~0)| 15)) (.cse25 (and .cse7 .cse6 .cse8 .cse9 .cse27 (= 5 ~a16~0))) (.cse0 (= 6 |old(~a16~0)|)) (.cse21 (not (= 5 |old(~a16~0)|))) (.cse19 (not (= 0 |old(~a7~0)|))) (.cse18 (= |calculate_output_#in~input| 0)) (.cse22 (= ~a8~0 15)) (.cse20 (not (= 15 |old(~a8~0)|))) (.cse11 (= ~a21~0 |old(~a21~0)|)) (.cse24 (< |old(~a20~0)| 1)) (.cse4 (< 0 |old(~a17~0)|)) (.cse12 (< 0 |old(~a21~0)|)) (.cse1 (not (= 1 |old(~a21~0)|))) (.cse16 (not (= 1 |old(~a20~0)|))) (.cse23 (not (= 4 |old(~a16~0)|))) (.cse10 (= |old(~a16~0)| ~a16~0)) (.cse2 (not (= 8 ~a12~0))) (.cse13 (= 1 |old(~a7~0)|)) (.cse17 (not .cse14))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse2 (and .cse6 .cse7 .cse8 .cse9 .cse10 .cse11) .cse12) (or .cse1 .cse13 .cse2 .cse14 .cse3 .cse15) (or .cse1 .cse13 .cse16 .cse3 .cse2 .cse17) (or .cse18 (or .cse19 .cse1 .cse20 (not (= 0 |old(~a20~0)|)) .cse21 .cse2 .cse17) .cse22) (or .cse1 .cse13 .cse3 .cse2 .cse15 .cse5) (or .cse1 .cse13 .cse23 .cse2 .cse24 .cse3) (or .cse1 .cse13 .cse23 .cse2 .cse14 .cse3) (or .cse19 .cse1 .cse2 .cse18 .cse17 .cse22 .cse16 .cse20 .cse21) (or .cse1 .cse13 .cse25 .cse21 .cse2 .cse15) (or .cse1 .cse21 .cse2 .cse4 .cse25) (or (and (or .cse18 (or (not .cse0) .cse19 .cse1 .cse16 .cse20 (not (= 0 |old(~a17~0)|)) .cse2)) (or .cse19 .cse1 .cse20 .cse21 (not (= |old(~a20~0)| 1)) .cse2 .cse4 .cse18)) .cse22) (or .cse19 .cse1 .cse23 .cse2 .cse4 .cse18 .cse22 .cse16 .cse20) (or (and .cse7 .cse11 .cse6 .cse8 .cse26 .cse9) .cse2 .cse24 .cse4 .cse12) (or .cse1 .cse16 .cse23 (and (= 1 ~a7~0) (= 1 ~a20~0) (= 13 ~a8~0) .cse10 .cse27 (= 1 ~a17~0)) .cse2 (not .cse13) (not (= 13 |old(~a8~0)|)) .cse17)))) [2018-12-02 15:25:56,879 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-12-02 15:25:56,879 INFO L448 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 15:25:56,879 INFO L448 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 15:25:56,879 INFO L448 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 15:25:56,879 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 15:25:56,879 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-12-02 15:25:56,879 INFO L448 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 15:25:56,879 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-12-02 15:25:56,879 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-12-02 15:25:56,879 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-12-02 15:25:56,879 INFO L448 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-12-02 15:25:56,879 INFO L448 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-12-02 15:25:56,879 INFO L448 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-12-02 15:25:56,879 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-12-02 15:25:56,879 INFO L448 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-12-02 15:25:56,879 INFO L448 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-12-02 15:25:56,879 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-12-02 15:25:56,879 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-12-02 15:25:56,879 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-12-02 15:25:56,879 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-12-02 15:25:56,879 INFO L448 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 15:25:56,879 INFO L448 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 15:25:56,879 INFO L448 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 15:25:56,879 INFO L448 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 15:25:56,880 INFO L448 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 15:25:56,880 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-12-02 15:25:56,880 INFO L448 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 15:25:56,880 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-12-02 15:25:56,880 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-12-02 15:25:56,880 INFO L448 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-12-02 15:25:56,880 INFO L448 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-12-02 15:25:56,880 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-12-02 15:25:56,880 INFO L448 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-12-02 15:25:56,880 INFO L448 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-12-02 15:25:56,880 INFO L448 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-12-02 15:25:56,880 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-12-02 15:25:56,880 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-12-02 15:25:56,880 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-12-02 15:25:56,880 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-12-02 15:25:56,880 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-12-02 15:25:56,880 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-12-02 15:25:56,880 INFO L448 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 15:25:56,880 INFO L448 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 15:25:56,880 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 15:25:56,880 INFO L448 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 15:25:56,880 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 15:25:56,880 INFO L448 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 15:25:56,880 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-12-02 15:25:56,880 INFO L448 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-12-02 15:25:56,881 INFO L448 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-12-02 15:25:56,881 INFO L448 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-12-02 15:25:56,881 INFO L448 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-12-02 15:25:56,881 INFO L448 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-12-02 15:25:56,881 INFO L448 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-12-02 15:25:56,881 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-12-02 15:25:56,881 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-12-02 15:25:56,881 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-12-02 15:25:56,881 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 15:25:56,881 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a7~0 0) (= ~a8~0 15) (= ~a17~0 1) (= 1 ~a21~0) (= ~a12~0 8) (= ~a20~0 1) (= ~a16~0 5)) [2018-12-02 15:25:56,881 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 15:25:56,881 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 15:25:56,881 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)|)) (not (= 1 |old(~a20~0)|)) (not (= 15 |old(~a8~0)|)) (not (= 5 |old(~a16~0)|)) (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)|))) [2018-12-02 15:25:56,881 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-12-02 15:25:56,881 INFO L444 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse5 (= ~a16~0 4)) (.cse0 (not (= ~a16~0 6))) (.cse6 (not (= ~a17~0 1))) (.cse3 (<= ~a20~0 0)) (.cse9 (<= ~a21~0 0)) (.cse2 (<= ~a17~0 0)) (.cse7 (<= 1 ~a20~0)) (.cse4 (not (= ~a7~0 1))) (.cse10 (<= 15 ~a8~0)) (.cse1 (= 1 ~a21~0)) (.cse8 (= 5 ~a16~0))) (or (not (= 1 |old(~a21~0)|)) (and .cse0 .cse1 .cse2 .cse3) (not (= 8 ~a12~0)) (and .cse4 .cse5 .cse1 .cse6) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (and .cse4 .cse5 .cse1 .cse7) (and .cse2 .cse1 .cse8) (and .cse9 .cse0) (and .cse4 (= |old(~a20~0)| ~a20~0) (= ~a17~0 |old(~a17~0)|) .cse1) (and (= 1 ~a20~0) (= 13 ~a8~0) (= 4 ~a16~0) .cse1 (= 1 ~a17~0)) (and .cse4 .cse10 .cse1 .cse6) (not (= 0 |old(~a7~0)|)) (and .cse4 .cse10 .cse1 .cse3) (not (= 1 |old(~a17~0)|)) (not (= 15 |old(~a8~0)|)) (and .cse9 .cse2 .cse7) (and .cse4 .cse10 .cse1 .cse8))) [2018-12-02 15:25:56,881 INFO L448 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-12-02 15:25:56,881 INFO L448 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-12-02 15:25:56,881 INFO L444 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse5 (= ~a16~0 4)) (.cse0 (not (= ~a16~0 6))) (.cse6 (not (= ~a17~0 1))) (.cse3 (<= ~a20~0 0)) (.cse9 (<= ~a21~0 0)) (.cse2 (<= ~a17~0 0)) (.cse7 (<= 1 ~a20~0)) (.cse4 (not (= ~a7~0 1))) (.cse10 (<= 15 ~a8~0)) (.cse1 (= 1 ~a21~0)) (.cse8 (= 5 ~a16~0))) (or (not (= 1 |old(~a21~0)|)) (and .cse0 .cse1 .cse2 .cse3) (not (= 8 ~a12~0)) (and .cse4 .cse5 .cse1 .cse6) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (and .cse4 .cse5 .cse1 .cse7) (and .cse2 .cse1 .cse8) (and .cse9 .cse0) (and .cse4 (= |old(~a20~0)| ~a20~0) (= ~a17~0 |old(~a17~0)|) .cse1) (and (= 1 ~a20~0) (= 13 ~a8~0) (= 4 ~a16~0) .cse1 (= 1 ~a17~0)) (and .cse4 .cse10 .cse1 .cse6) (not (= 0 |old(~a7~0)|)) (and .cse4 .cse10 .cse1 .cse3) (not (= 1 |old(~a17~0)|)) (not (= 15 |old(~a8~0)|)) (and .cse9 .cse2 .cse7) (and .cse4 .cse10 .cse1 .cse8))) [2018-12-02 15:25:56,881 INFO L448 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2018-12-02 15:25:56,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:25:56 BoogieIcfgContainer [2018-12-02 15:25:56,890 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 15:25:56,890 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 15:25:56,890 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 15:25:56,891 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 15:25:56,891 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:25:35" (3/4) ... [2018-12-02 15:25:56,893 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 15:25:56,897 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 15:25:56,897 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-02 15:25:56,897 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 15:25:56,903 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-02 15:25:56,904 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-02 15:25:56,922 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((!(1 == \old(a21)) || (((!(a16 == 6) && 1 == a21) && a17 <= 0) && a20 <= 0)) || !(8 == a12)) || (((!(a7 == 1) && a16 == 4) && 1 == a21) && !(a17 == 1))) || !(1 == \old(a20))) || !(5 == \old(a16))) || (((!(a7 == 1) && a16 == 4) && 1 == a21) && 1 <= a20)) || ((a17 <= 0 && 1 == a21) && 5 == a16)) || (a21 <= 0 && !(a16 == 6))) || (((!(a7 == 1) && \old(a20) == a20) && a17 == \old(a17)) && 1 == a21)) || ((((1 == a20 && 13 == a8) && 4 == a16) && 1 == a21) && 1 == a17)) || (((!(a7 == 1) && 15 <= a8) && 1 == a21) && !(a17 == 1))) || !(0 == \old(a7))) || (((!(a7 == 1) && 15 <= a8) && 1 == a21) && a20 <= 0)) || !(1 == \old(a17))) || !(15 == \old(a8))) || ((a21 <= 0 && a17 <= 0) && 1 <= a20)) || (((!(a7 == 1) && 15 <= a8) && 1 == a21) && 5 == a16) [2018-12-02 15:25:56,966 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_60ffb7f9-cb52-47af-8afd-ec24bfb3a21b/bin-2019/utaipan/witness.graphml [2018-12-02 15:25:56,966 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 15:25:56,967 INFO L168 Benchmark]: Toolchain (without parser) took 22488.10 ms. Allocated memory was 1.0 GB in the beginning and 2.2 GB in the end (delta: 1.1 GB). Free memory was 947.0 MB in the beginning and 1.0 GB in the end (delta: -65.3 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-12-02 15:25:56,967 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 15:25:56,967 INFO L168 Benchmark]: CACSL2BoogieTranslator took 324.96 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -143.3 MB). Peak memory consumption was 40.9 MB. Max. memory is 11.5 GB. [2018-12-02 15:25:56,967 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.27 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-02 15:25:56,967 INFO L168 Benchmark]: Boogie Preprocessor took 51.02 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-02 15:25:56,968 INFO L168 Benchmark]: RCFGBuilder took 587.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 975.2 MB in the end (delta: 107.1 MB). Peak memory consumption was 107.1 MB. Max. memory is 11.5 GB. [2018-12-02 15:25:56,968 INFO L168 Benchmark]: TraceAbstraction took 21419.98 ms. Allocated memory was 1.1 GB in the beginning and 2.2 GB in the end (delta: 1.0 GB). Free memory was 975.2 MB in the beginning and 1.0 GB in the end (delta: -61.5 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2018-12-02 15:25:56,968 INFO L168 Benchmark]: Witness Printer took 75.82 ms. Allocated memory is still 2.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 24.3 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. [2018-12-02 15:25:56,969 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 324.96 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -143.3 MB). Peak memory consumption was 40.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.27 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 51.02 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 587.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 975.2 MB in the end (delta: 107.1 MB). Peak memory consumption was 107.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 21419.98 ms. Allocated memory was 1.1 GB in the beginning and 2.2 GB in the end (delta: 1.0 GB). Free memory was 975.2 MB in the beginning and 1.0 GB in the end (delta: -61.5 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. * Witness Printer took 75.82 ms. Allocated memory is still 2.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 24.3 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 485]: 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: ((((((((((((((((!(1 == \old(a21)) || (((!(a16 == 6) && 1 == a21) && a17 <= 0) && a20 <= 0)) || !(8 == a12)) || (((!(a7 == 1) && a16 == 4) && 1 == a21) && !(a17 == 1))) || !(1 == \old(a20))) || !(5 == \old(a16))) || (((!(a7 == 1) && a16 == 4) && 1 == a21) && 1 <= a20)) || ((a17 <= 0 && 1 == a21) && 5 == a16)) || (a21 <= 0 && !(a16 == 6))) || (((!(a7 == 1) && \old(a20) == a20) && a17 == \old(a17)) && 1 == a21)) || ((((1 == a20 && 13 == a8) && 4 == a16) && 1 == a21) && 1 == a17)) || (((!(a7 == 1) && 15 <= a8) && 1 == a21) && !(a17 == 1))) || !(0 == \old(a7))) || (((!(a7 == 1) && 15 <= a8) && 1 == a21) && a20 <= 0)) || !(1 == \old(a17))) || !(15 == \old(a8))) || ((a21 <= 0 && a17 <= 0) && 1 <= a20)) || (((!(a7 == 1) && 15 <= a8) && 1 == a21) && 5 == a16) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. SAFE Result, 21.3s OverallTime, 11 OverallIterations, 7 TraceHistogramMax, 13.5s AutomataDifference, 0.0s DeadEndRemovalTime, 2.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 517 SDtfs, 9205 SDslu, 882 SDs, 0 SdLazy, 12977 SolverSat, 2095 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.3s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 2591 GetRequests, 2402 SyntacticMatches, 12 SemanticMatches, 177 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1353 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9492occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.7s AbstIntTime, 7 AbstIntIterations, 3 AbstIntStrong, 0.9968210352519882 AbsIntWeakeningRatio, 0.24293785310734464 AbsIntAvgWeakeningVarsNumRemoved, 29.263653483992467 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 1555 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 463 PreInvPairs, 831 NumberOfFragments, 1035 HoareAnnotationTreeSize, 463 FomulaSimplifications, 67943 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 11589 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 2830 NumberOfCodeBlocks, 2830 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 3723 ConstructedInterpolants, 0 QuantifiedInterpolants, 1655530 SizeOfPredicates, 5 NumberOfNonLiveVariables, 2620 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 19 InterpolantComputations, 4 PerfectInterpolantSequences, 3262/3594 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...