./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label47_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_75dd946c-3bd9-468a-b90d-c4a9cbc3c1fd/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_75dd946c-3bd9-468a-b90d-c4a9cbc3c1fd/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_75dd946c-3bd9-468a-b90d-c4a9cbc3c1fd/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_75dd946c-3bd9-468a-b90d-c4a9cbc3c1fd/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label47_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_75dd946c-3bd9-468a-b90d-c4a9cbc3c1fd/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_75dd946c-3bd9-468a-b90d-c4a9cbc3c1fd/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 974e26d64b5918de86cf9f668ecae1f8804e33e3 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-03 00:38:48,015 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 00:38:48,016 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 00:38:48,024 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 00:38:48,024 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 00:38:48,024 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 00:38:48,025 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 00:38:48,026 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 00:38:48,027 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 00:38:48,028 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 00:38:48,029 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 00:38:48,029 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 00:38:48,029 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 00:38:48,030 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 00:38:48,031 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 00:38:48,031 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 00:38:48,032 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 00:38:48,033 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 00:38:48,034 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 00:38:48,035 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 00:38:48,036 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 00:38:48,037 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 00:38:48,038 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 00:38:48,038 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 00:38:48,039 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 00:38:48,039 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 00:38:48,040 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 00:38:48,040 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 00:38:48,041 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 00:38:48,042 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 00:38:48,042 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 00:38:48,042 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 00:38:48,042 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 00:38:48,042 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 00:38:48,043 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 00:38:48,043 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 00:38:48,043 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_75dd946c-3bd9-468a-b90d-c4a9cbc3c1fd/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-03 00:38:48,054 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 00:38:48,054 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 00:38:48,054 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 00:38:48,055 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 00:38:48,055 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 00:38:48,055 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 00:38:48,055 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 00:38:48,055 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 00:38:48,055 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 00:38:48,055 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-03 00:38:48,055 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 00:38:48,055 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-03 00:38:48,056 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 00:38:48,056 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 00:38:48,056 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 00:38:48,056 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 00:38:48,056 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 00:38:48,056 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 00:38:48,057 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 00:38:48,057 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 00:38:48,057 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 00:38:48,057 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 00:38:48,057 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 00:38:48,057 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 00:38:48,057 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 00:38:48,057 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 00:38:48,058 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 00:38:48,058 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 00:38:48,058 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 00:38:48,058 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 00:38:48,058 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 00:38:48,058 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 00:38:48,058 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 00:38:48,058 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 00:38:48,058 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 00:38:48,058 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 00:38:48,058 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_75dd946c-3bd9-468a-b90d-c4a9cbc3c1fd/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 -> 974e26d64b5918de86cf9f668ecae1f8804e33e3 [2018-12-03 00:38:48,080 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 00:38:48,086 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 00:38:48,088 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 00:38:48,089 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 00:38:48,089 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 00:38:48,090 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_75dd946c-3bd9-468a-b90d-c4a9cbc3c1fd/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label47_true-unreach-call_false-termination.c [2018-12-03 00:38:48,122 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_75dd946c-3bd9-468a-b90d-c4a9cbc3c1fd/bin-2019/utaipan/data/dce1d9c54/2f8aada5565d444abbc33bdc050a0334/FLAG803d925ff [2018-12-03 00:38:48,524 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 00:38:48,525 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_75dd946c-3bd9-468a-b90d-c4a9cbc3c1fd/sv-benchmarks/c/eca-rers2012/Problem02_label47_true-unreach-call_false-termination.c [2018-12-03 00:38:48,531 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_75dd946c-3bd9-468a-b90d-c4a9cbc3c1fd/bin-2019/utaipan/data/dce1d9c54/2f8aada5565d444abbc33bdc050a0334/FLAG803d925ff [2018-12-03 00:38:48,540 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_75dd946c-3bd9-468a-b90d-c4a9cbc3c1fd/bin-2019/utaipan/data/dce1d9c54/2f8aada5565d444abbc33bdc050a0334 [2018-12-03 00:38:48,542 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 00:38:48,543 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 00:38:48,543 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 00:38:48,543 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 00:38:48,545 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 00:38:48,546 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:38:48" (1/1) ... [2018-12-03 00:38:48,548 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 03.12 12:38:48, skipping insertion in model container [2018-12-03 00:38:48,548 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:38:48" (1/1) ... [2018-12-03 00:38:48,552 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 00:38:48,580 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 00:38:48,786 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 00:38:48,789 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 00:38:48,874 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 00:38:48,883 INFO L195 MainTranslator]: Completed translation [2018-12-03 00:38:48,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:38:48 WrapperNode [2018-12-03 00:38:48,884 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 00:38:48,884 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 00:38:48,884 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 00:38:48,884 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 00:38:48,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:38:48" (1/1) ... [2018-12-03 00:38:48,898 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:38:48" (1/1) ... [2018-12-03 00:38:48,903 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 00:38:48,903 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 00:38:48,903 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 00:38:48,903 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 00:38:48,909 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:38:48" (1/1) ... [2018-12-03 00:38:48,909 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:38:48" (1/1) ... [2018-12-03 00:38:48,911 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:38:48" (1/1) ... [2018-12-03 00:38:48,912 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:38:48" (1/1) ... [2018-12-03 00:38:48,928 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:38:48" (1/1) ... [2018-12-03 00:38:48,935 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:38:48" (1/1) ... [2018-12-03 00:38:48,938 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:38:48" (1/1) ... [2018-12-03 00:38:48,941 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 00:38:48,942 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 00:38:48,942 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 00:38:48,942 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 00:38:48,943 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:38:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_75dd946c-3bd9-468a-b90d-c4a9cbc3c1fd/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 [2018-12-03 00:38:48,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-03 00:38:48,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-03 00:38:48,975 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-03 00:38:48,975 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-03 00:38:48,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 00:38:48,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 00:38:48,975 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-03 00:38:48,975 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-03 00:38:49,525 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 00:38:49,525 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-03 00:38:49,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:38:49 BoogieIcfgContainer [2018-12-03 00:38:49,525 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 00:38:49,526 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 00:38:49,526 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 00:38:49,528 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 00:38:49,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 12:38:48" (1/3) ... [2018-12-03 00:38:49,529 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@520b3e7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 12:38:49, skipping insertion in model container [2018-12-03 00:38:49,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:38:48" (2/3) ... [2018-12-03 00:38:49,529 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@520b3e7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 12:38:49, skipping insertion in model container [2018-12-03 00:38:49,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:38:49" (3/3) ... [2018-12-03 00:38:49,530 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label47_true-unreach-call_false-termination.c [2018-12-03 00:38:49,537 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 00:38:49,542 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-03 00:38:49,552 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-03 00:38:49,574 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 00:38:49,574 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-03 00:38:49,574 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 00:38:49,575 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 00:38:49,575 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 00:38:49,575 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 00:38:49,575 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 00:38:49,575 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 00:38:49,589 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2018-12-03 00:38:49,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-03 00:38:49,596 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 00:38:49,597 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 00:38:49,598 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 00:38:49,602 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 00:38:49,602 INFO L82 PathProgramCache]: Analyzing trace with hash -681714095, now seen corresponding path program 1 times [2018-12-03 00:38:49,604 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 00:38:49,635 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 00:38:49,635 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 00:38:49,635 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 00:38:49,635 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 00:38:49,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:38:49,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 00:38:49,835 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 00:38:49,835 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 00:38:49,835 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 00:38:49,838 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 00:38:49,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 00:38:49,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 00:38:49,848 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2018-12-03 00:38:50,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 00:38:50,270 INFO L93 Difference]: Finished difference Result 624 states and 1069 transitions. [2018-12-03 00:38:50,270 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 00:38:50,271 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 113 [2018-12-03 00:38:50,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 00:38:50,279 INFO L225 Difference]: With dead ends: 624 [2018-12-03 00:38:50,279 INFO L226 Difference]: Without dead ends: 326 [2018-12-03 00:38:50,282 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 00:38:50,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2018-12-03 00:38:50,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 321. [2018-12-03 00:38:50,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 321 states. [2018-12-03 00:38:50,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 467 transitions. [2018-12-03 00:38:50,323 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 467 transitions. Word has length 113 [2018-12-03 00:38:50,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 00:38:50,323 INFO L480 AbstractCegarLoop]: Abstraction has 321 states and 467 transitions. [2018-12-03 00:38:50,323 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 00:38:50,324 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 467 transitions. [2018-12-03 00:38:50,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-12-03 00:38:50,326 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 00:38:50,327 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 00:38:50,327 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 00:38:50,327 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 00:38:50,327 INFO L82 PathProgramCache]: Analyzing trace with hash -1310105962, now seen corresponding path program 1 times [2018-12-03 00:38:50,327 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 00:38:50,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 00:38:50,328 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 00:38:50,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 00:38:50,328 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 00:38:50,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:38:50,479 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 00:38:50,479 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 00:38:50,479 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-03 00:38:50,479 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 00:38:50,480 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-03 00:38:50,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-03 00:38:50,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-03 00:38:50,481 INFO L87 Difference]: Start difference. First operand 321 states and 467 transitions. Second operand 5 states. [2018-12-03 00:38:50,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 00:38:50,816 INFO L93 Difference]: Finished difference Result 723 states and 1093 transitions. [2018-12-03 00:38:50,816 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-03 00:38:50,816 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 121 [2018-12-03 00:38:50,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 00:38:50,818 INFO L225 Difference]: With dead ends: 723 [2018-12-03 00:38:50,818 INFO L226 Difference]: Without dead ends: 321 [2018-12-03 00:38:50,819 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-03 00:38:50,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2018-12-03 00:38:50,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 321. [2018-12-03 00:38:50,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 321 states. [2018-12-03 00:38:50,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 463 transitions. [2018-12-03 00:38:50,829 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 463 transitions. Word has length 121 [2018-12-03 00:38:50,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 00:38:50,830 INFO L480 AbstractCegarLoop]: Abstraction has 321 states and 463 transitions. [2018-12-03 00:38:50,830 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-03 00:38:50,830 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 463 transitions. [2018-12-03 00:38:50,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-12-03 00:38:50,831 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 00:38:50,831 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 00:38:50,831 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 00:38:50,831 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 00:38:50,832 INFO L82 PathProgramCache]: Analyzing trace with hash -2076461862, now seen corresponding path program 1 times [2018-12-03 00:38:50,832 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 00:38:50,832 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 00:38:50,832 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 00:38:50,833 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 00:38:50,833 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 00:38:50,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:38:50,898 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 00:38:50,898 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 00:38:50,898 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 00:38:50,898 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 00:38:50,899 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 00:38:50,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 00:38:50,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-03 00:38:50,900 INFO L87 Difference]: Start difference. First operand 321 states and 463 transitions. Second operand 6 states. [2018-12-03 00:38:51,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 00:38:51,315 INFO L93 Difference]: Finished difference Result 979 states and 1481 transitions. [2018-12-03 00:38:51,315 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-03 00:38:51,315 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 123 [2018-12-03 00:38:51,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 00:38:51,319 INFO L225 Difference]: With dead ends: 979 [2018-12-03 00:38:51,319 INFO L226 Difference]: Without dead ends: 664 [2018-12-03 00:38:51,319 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 [2018-12-03 00:38:51,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 664 states. [2018-12-03 00:38:51,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 664 to 632. [2018-12-03 00:38:51,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 632 states. [2018-12-03 00:38:51,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 632 states and 894 transitions. [2018-12-03 00:38:51,340 INFO L78 Accepts]: Start accepts. Automaton has 632 states and 894 transitions. Word has length 123 [2018-12-03 00:38:51,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 00:38:51,340 INFO L480 AbstractCegarLoop]: Abstraction has 632 states and 894 transitions. [2018-12-03 00:38:51,340 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 00:38:51,340 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 894 transitions. [2018-12-03 00:38:51,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-12-03 00:38:51,342 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 00:38:51,342 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 00:38:51,342 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 00:38:51,342 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 00:38:51,342 INFO L82 PathProgramCache]: Analyzing trace with hash 313178237, now seen corresponding path program 1 times [2018-12-03 00:38:51,343 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 00:38:51,343 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 00:38:51,343 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 00:38:51,343 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 00:38:51,343 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 00:38:51,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:38:51,447 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 00:38:51,447 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 00:38:51,447 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-03 00:38:51,447 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 00:38:51,448 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-03 00:38:51,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-03 00:38:51,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-03 00:38:51,448 INFO L87 Difference]: Start difference. First operand 632 states and 894 transitions. Second operand 5 states. [2018-12-03 00:38:51,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 00:38:51,800 INFO L93 Difference]: Finished difference Result 1342 states and 1951 transitions. [2018-12-03 00:38:51,800 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-03 00:38:51,800 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 137 [2018-12-03 00:38:51,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 00:38:51,803 INFO L225 Difference]: With dead ends: 1342 [2018-12-03 00:38:51,803 INFO L226 Difference]: Without dead ends: 632 [2018-12-03 00:38:51,804 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-03 00:38:51,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2018-12-03 00:38:51,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 632. [2018-12-03 00:38:51,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 632 states. [2018-12-03 00:38:51,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 632 states and 882 transitions. [2018-12-03 00:38:51,817 INFO L78 Accepts]: Start accepts. Automaton has 632 states and 882 transitions. Word has length 137 [2018-12-03 00:38:51,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 00:38:51,817 INFO L480 AbstractCegarLoop]: Abstraction has 632 states and 882 transitions. [2018-12-03 00:38:51,817 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-03 00:38:51,817 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 882 transitions. [2018-12-03 00:38:51,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-03 00:38:51,819 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 00:38:51,819 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 00:38:51,819 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 00:38:51,819 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 00:38:51,819 INFO L82 PathProgramCache]: Analyzing trace with hash 206908097, now seen corresponding path program 1 times [2018-12-03 00:38:51,819 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 00:38:51,820 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 00:38:51,820 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 00:38:51,820 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 00:38:51,820 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 00:38:51,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:38:51,948 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 00:38:51,949 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 00:38:51,949 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-03 00:38:51,949 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 00:38:51,949 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-03 00:38:51,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-03 00:38:51,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-03 00:38:51,950 INFO L87 Difference]: Start difference. First operand 632 states and 882 transitions. Second operand 5 states. [2018-12-03 00:38:52,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 00:38:52,289 INFO L93 Difference]: Finished difference Result 1344 states and 1924 transitions. [2018-12-03 00:38:52,289 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-03 00:38:52,289 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 139 [2018-12-03 00:38:52,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 00:38:52,291 INFO L225 Difference]: With dead ends: 1344 [2018-12-03 00:38:52,291 INFO L226 Difference]: Without dead ends: 632 [2018-12-03 00:38:52,292 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-03 00:38:52,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2018-12-03 00:38:52,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 630. [2018-12-03 00:38:52,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 630 states. [2018-12-03 00:38:52,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 630 states and 861 transitions. [2018-12-03 00:38:52,301 INFO L78 Accepts]: Start accepts. Automaton has 630 states and 861 transitions. Word has length 139 [2018-12-03 00:38:52,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 00:38:52,302 INFO L480 AbstractCegarLoop]: Abstraction has 630 states and 861 transitions. [2018-12-03 00:38:52,302 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-03 00:38:52,302 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 861 transitions. [2018-12-03 00:38:52,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-03 00:38:52,303 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 00:38:52,303 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 00:38:52,303 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 00:38:52,304 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 00:38:52,304 INFO L82 PathProgramCache]: Analyzing trace with hash -441378269, now seen corresponding path program 1 times [2018-12-03 00:38:52,304 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 00:38:52,304 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 00:38:52,305 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 00:38:52,305 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 00:38:52,305 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 00:38:52,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:38:52,339 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 36 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 00:38:52,339 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 00:38:52,340 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 00:38:52,340 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 147 with the following transitions: [2018-12-03 00:38:52,341 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [45], [50], [52], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [583], [585], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-03 00:38:52,368 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 00:38:52,369 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 00:38:52,782 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 00:38:52,783 INFO L272 AbstractInterpreter]: Visited 117 different actions 228 times. Merged at 4 different actions 4 times. Never widened. Performed 2589 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2589 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-12-03 00:38:52,788 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 00:38:52,788 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 00:38:52,984 INFO L227 lantSequenceWeakener]: Weakened 141 states. On average, predicates are now at 82.5% of their original sizes. [2018-12-03 00:38:52,984 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-03 00:38:53,026 INFO L418 sIntCurrentIteration]: We unified 145 AI predicates to 145 [2018-12-03 00:38:53,026 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-03 00:38:53,027 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 00:38:53,027 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-03 00:38:53,027 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 00:38:53,027 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 00:38:53,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 00:38:53,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-03 00:38:53,028 INFO L87 Difference]: Start difference. First operand 630 states and 861 transitions. Second operand 10 states. [2018-12-03 00:38:56,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 00:38:56,134 INFO L93 Difference]: Finished difference Result 1845 states and 2518 transitions. [2018-12-03 00:38:56,134 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-12-03 00:38:56,134 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 146 [2018-12-03 00:38:56,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 00:38:56,137 INFO L225 Difference]: With dead ends: 1845 [2018-12-03 00:38:56,137 INFO L226 Difference]: Without dead ends: 1221 [2018-12-03 00:38:56,138 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 155 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-12-03 00:38:56,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1221 states. [2018-12-03 00:38:56,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1221 to 1216. [2018-12-03 00:38:56,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1216 states. [2018-12-03 00:38:56,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1216 states to 1216 states and 1537 transitions. [2018-12-03 00:38:56,154 INFO L78 Accepts]: Start accepts. Automaton has 1216 states and 1537 transitions. Word has length 146 [2018-12-03 00:38:56,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 00:38:56,154 INFO L480 AbstractCegarLoop]: Abstraction has 1216 states and 1537 transitions. [2018-12-03 00:38:56,154 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 00:38:56,154 INFO L276 IsEmpty]: Start isEmpty. Operand 1216 states and 1537 transitions. [2018-12-03 00:38:56,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-12-03 00:38:56,156 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 00:38:56,156 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 00:38:56,156 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 00:38:56,157 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 00:38:56,157 INFO L82 PathProgramCache]: Analyzing trace with hash -107887196, now seen corresponding path program 1 times [2018-12-03 00:38:56,157 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 00:38:56,157 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 00:38:56,157 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 00:38:56,157 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 00:38:56,157 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 00:38:56,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:38:56,199 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 89 proven. 13 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-03 00:38:56,199 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 00:38:56,199 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 00:38:56,199 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 182 with the following transitions: [2018-12-03 00:38:56,199 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [45], [50], [52], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [583], [585], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-03 00:38:56,202 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 00:38:56,202 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 00:38:56,362 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 00:38:56,362 INFO L272 AbstractInterpreter]: Visited 121 different actions 354 times. Merged at 7 different actions 17 times. Never widened. Performed 4230 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4230 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 3 different actions. Largest state had 38 variables. [2018-12-03 00:38:56,363 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 00:38:56,364 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 00:38:56,364 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 00:38:56,364 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_75dd946c-3bd9-468a-b90d-c4a9cbc3c1fd/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 [2018-12-03 00:38:56,372 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 00:38:56,372 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 00:38:56,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:38:56,429 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 00:38:56,493 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 109 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-03 00:38:56,493 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 00:38:56,562 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 89 proven. 13 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-03 00:38:56,587 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 00:38:56,587 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-12-03 00:38:56,587 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 00:38:56,587 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-03 00:38:56,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-03 00:38:56,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-12-03 00:38:56,588 INFO L87 Difference]: Start difference. First operand 1216 states and 1537 transitions. Second operand 9 states. [2018-12-03 00:38:57,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 00:38:57,811 INFO L93 Difference]: Finished difference Result 5181 states and 6835 transitions. [2018-12-03 00:38:57,811 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-03 00:38:57,811 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 181 [2018-12-03 00:38:57,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 00:38:57,816 INFO L225 Difference]: With dead ends: 5181 [2018-12-03 00:38:57,816 INFO L226 Difference]: Without dead ends: 2649 [2018-12-03 00:38:57,819 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 387 GetRequests, 366 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=338, Unknown=0, NotChecked=0, Total=462 [2018-12-03 00:38:57,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2649 states. [2018-12-03 00:38:57,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2649 to 2649. [2018-12-03 00:38:57,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2649 states. [2018-12-03 00:38:57,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2649 states to 2649 states and 3203 transitions. [2018-12-03 00:38:57,851 INFO L78 Accepts]: Start accepts. Automaton has 2649 states and 3203 transitions. Word has length 181 [2018-12-03 00:38:57,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 00:38:57,851 INFO L480 AbstractCegarLoop]: Abstraction has 2649 states and 3203 transitions. [2018-12-03 00:38:57,851 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-03 00:38:57,851 INFO L276 IsEmpty]: Start isEmpty. Operand 2649 states and 3203 transitions. [2018-12-03 00:38:57,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-12-03 00:38:57,854 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 00:38:57,855 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 00:38:57,855 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 00:38:57,855 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 00:38:57,855 INFO L82 PathProgramCache]: Analyzing trace with hash 294252710, now seen corresponding path program 1 times [2018-12-03 00:38:57,855 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 00:38:57,856 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 00:38:57,856 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 00:38:57,856 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 00:38:57,856 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 00:38:57,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:38:57,935 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 85 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-03 00:38:57,935 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 00:38:57,935 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 00:38:57,935 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 206 with the following transitions: [2018-12-03 00:38:57,936 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [13], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [312], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [583], [585], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-03 00:38:57,937 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 00:38:57,937 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 00:38:58,079 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 00:38:58,079 INFO L272 AbstractInterpreter]: Visited 119 different actions 350 times. Merged at 6 different actions 15 times. Never widened. Performed 4071 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4071 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-12-03 00:38:58,081 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 00:38:58,081 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 00:38:58,081 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 00:38:58,081 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_75dd946c-3bd9-468a-b90d-c4a9cbc3c1fd/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 [2018-12-03 00:38:58,087 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 00:38:58,088 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 00:38:58,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:38:58,130 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 00:38:58,185 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 104 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-03 00:38:58,185 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 00:38:58,246 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 104 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-03 00:38:58,261 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 00:38:58,261 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2018-12-03 00:38:58,261 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 00:38:58,262 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-03 00:38:58,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-03 00:38:58,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2018-12-03 00:38:58,262 INFO L87 Difference]: Start difference. First operand 2649 states and 3203 transitions. Second operand 8 states. [2018-12-03 00:38:58,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 00:38:58,517 INFO L93 Difference]: Finished difference Result 2989 states and 3567 transitions. [2018-12-03 00:38:58,517 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-03 00:38:58,517 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 205 [2018-12-03 00:38:58,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 00:38:58,521 INFO L225 Difference]: With dead ends: 2989 [2018-12-03 00:38:58,521 INFO L226 Difference]: Without dead ends: 1338 [2018-12-03 00:38:58,524 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 421 GetRequests, 408 SyntacticMatches, 4 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-12-03 00:38:58,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1338 states. [2018-12-03 00:38:58,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1338 to 1042. [2018-12-03 00:38:58,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1042 states. [2018-12-03 00:38:58,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1042 states to 1042 states and 1195 transitions. [2018-12-03 00:38:58,550 INFO L78 Accepts]: Start accepts. Automaton has 1042 states and 1195 transitions. Word has length 205 [2018-12-03 00:38:58,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 00:38:58,551 INFO L480 AbstractCegarLoop]: Abstraction has 1042 states and 1195 transitions. [2018-12-03 00:38:58,551 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-03 00:38:58,551 INFO L276 IsEmpty]: Start isEmpty. Operand 1042 states and 1195 transitions. [2018-12-03 00:38:58,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-12-03 00:38:58,555 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 00:38:58,555 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2018-12-03 00:38:58,555 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 00:38:58,556 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 00:38:58,556 INFO L82 PathProgramCache]: Analyzing trace with hash -2034738140, now seen corresponding path program 1 times [2018-12-03 00:38:58,556 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 00:38:58,557 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 00:38:58,557 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 00:38:58,557 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 00:38:58,557 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 00:38:58,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:38:58,702 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 118 proven. 95 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-03 00:38:58,702 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 00:38:58,702 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 00:38:58,702 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 238 with the following transitions: [2018-12-03 00:38:58,702 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [123], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [202], [205], [209], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [583], [585], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-03 00:38:58,704 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 00:38:58,704 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 00:38:58,898 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 00:38:58,898 INFO L272 AbstractInterpreter]: Visited 121 different actions 469 times. Merged at 7 different actions 22 times. Never widened. Performed 5571 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5571 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 6 fixpoints after 2 different actions. Largest state had 38 variables. [2018-12-03 00:38:58,899 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 00:38:58,899 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 00:38:58,900 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 00:38:58,900 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_75dd946c-3bd9-468a-b90d-c4a9cbc3c1fd/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 [2018-12-03 00:38:58,905 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 00:38:58,905 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 00:38:58,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:38:58,944 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 00:38:58,984 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 165 proven. 2 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-12-03 00:38:58,984 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 00:38:59,045 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 149 proven. 36 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-03 00:38:59,060 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 00:38:59,060 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 5] total 14 [2018-12-03 00:38:59,060 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 00:38:59,060 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-03 00:38:59,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-03 00:38:59,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2018-12-03 00:38:59,061 INFO L87 Difference]: Start difference. First operand 1042 states and 1195 transitions. Second operand 13 states. [2018-12-03 00:39:00,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 00:39:00,137 INFO L93 Difference]: Finished difference Result 3448 states and 4293 transitions. [2018-12-03 00:39:00,137 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-12-03 00:39:00,137 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 237 [2018-12-03 00:39:00,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 00:39:00,142 INFO L225 Difference]: With dead ends: 3448 [2018-12-03 00:39:00,142 INFO L226 Difference]: Without dead ends: 2556 [2018-12-03 00:39:00,143 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 521 GetRequests, 486 SyntacticMatches, 3 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 236 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=323, Invalid=799, Unknown=0, NotChecked=0, Total=1122 [2018-12-03 00:39:00,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2556 states. [2018-12-03 00:39:00,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2556 to 2537. [2018-12-03 00:39:00,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2537 states. [2018-12-03 00:39:00,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2537 states to 2537 states and 3001 transitions. [2018-12-03 00:39:00,196 INFO L78 Accepts]: Start accepts. Automaton has 2537 states and 3001 transitions. Word has length 237 [2018-12-03 00:39:00,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 00:39:00,196 INFO L480 AbstractCegarLoop]: Abstraction has 2537 states and 3001 transitions. [2018-12-03 00:39:00,196 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-03 00:39:00,196 INFO L276 IsEmpty]: Start isEmpty. Operand 2537 states and 3001 transitions. [2018-12-03 00:39:00,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2018-12-03 00:39:00,203 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 00:39:00,203 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 00:39:00,203 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 00:39:00,203 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 00:39:00,203 INFO L82 PathProgramCache]: Analyzing trace with hash -154999046, now seen corresponding path program 1 times [2018-12-03 00:39:00,204 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 00:39:00,204 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 00:39:00,204 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 00:39:00,204 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 00:39:00,205 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 00:39:00,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:39:00,591 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 226 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 00:39:00,591 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 00:39:00,591 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 00:39:00,591 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 261 with the following transitions: [2018-12-03 00:39:00,592 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [202], [205], [209], [210], [214], [218], [222], [233], [236], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [583], [585], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-03 00:39:00,593 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 00:39:00,593 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 00:39:00,807 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 00:39:00,807 INFO L272 AbstractInterpreter]: Visited 121 different actions 475 times. Merged at 7 different actions 28 times. Widened at 1 different actions 1 times. Performed 5642 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5642 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 6 fixpoints after 3 different actions. Largest state had 38 variables. [2018-12-03 00:39:00,809 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 00:39:00,809 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 00:39:00,809 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 00:39:00,810 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_75dd946c-3bd9-468a-b90d-c4a9cbc3c1fd/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 [2018-12-03 00:39:00,816 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 00:39:00,816 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 00:39:00,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:39:00,861 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 00:39:00,952 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 225 proven. 2 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-03 00:39:00,953 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 00:39:01,050 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 225 proven. 2 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-03 00:39:01,065 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 00:39:01,066 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 6, 6] total 22 [2018-12-03 00:39:01,066 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 00:39:01,066 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-12-03 00:39:01,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-12-03 00:39:01,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=390, Unknown=0, NotChecked=0, Total=462 [2018-12-03 00:39:01,067 INFO L87 Difference]: Start difference. First operand 2537 states and 3001 transitions. Second operand 20 states. [2018-12-03 00:39:06,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 00:39:06,217 INFO L93 Difference]: Finished difference Result 6286 states and 8063 transitions. [2018-12-03 00:39:06,217 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2018-12-03 00:39:06,217 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 260 [2018-12-03 00:39:06,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 00:39:06,218 INFO L225 Difference]: With dead ends: 6286 [2018-12-03 00:39:06,218 INFO L226 Difference]: Without dead ends: 0 [2018-12-03 00:39:06,228 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 629 GetRequests, 547 SyntacticMatches, 2 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2035 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=1294, Invalid=5348, Unknown=0, NotChecked=0, Total=6642 [2018-12-03 00:39:06,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-03 00:39:06,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-03 00:39:06,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-03 00:39:06,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-03 00:39:06,229 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 260 [2018-12-03 00:39:06,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 00:39:06,229 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-03 00:39:06,229 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-12-03 00:39:06,229 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-03 00:39:06,229 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-03 00:39:06,232 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-03 00:39:06,416 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 00:39:06,447 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 00:39:06,449 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 00:39:06,450 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 00:39:06,452 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 00:39:06,453 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 00:39:06,460 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 00:39:06,461 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 00:39:06,466 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 00:39:06,468 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 00:39:06,472 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 00:39:06,475 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 00:39:06,477 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 00:39:06,482 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 00:39:06,514 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 00:39:06,542 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 00:39:06,543 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 00:39:06,544 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 00:39:06,547 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 00:39:06,548 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 00:39:06,553 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 00:39:06,554 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 00:39:06,559 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 00:39:06,561 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 00:39:06,564 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 00:39:06,565 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 00:39:06,568 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 00:39:06,570 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 00:39:07,127 WARN L180 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 71 [2018-12-03 00:39:07,387 WARN L180 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 47 [2018-12-03 00:39:07,549 WARN L180 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 47 [2018-12-03 00:39:07,550 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-03 00:39:07,551 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a19~0)| ~a19~0) (= ~a11~0 |old(~a11~0)|) (= |old(~a17~0)| ~a17~0) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|)) [2018-12-03 00:39:07,551 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-03 00:39:07,551 INFO L448 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:39:07,551 INFO L448 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:39:07,551 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:39:07,551 INFO L448 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:39:07,551 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:39:07,551 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-12-03 00:39:07,551 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-12-03 00:39:07,551 INFO L448 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-12-03 00:39:07,551 INFO L448 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-12-03 00:39:07,551 INFO L448 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-12-03 00:39:07,551 INFO L448 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-12-03 00:39:07,551 INFO L448 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-12-03 00:39:07,552 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-12-03 00:39:07,552 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-12-03 00:39:07,552 INFO L448 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-12-03 00:39:07,552 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-12-03 00:39:07,552 INFO L448 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-12-03 00:39:07,552 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-12-03 00:39:07,552 INFO L448 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:39:07,552 INFO L448 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:39:07,552 INFO L448 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:39:07,552 INFO L448 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:39:07,552 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-12-03 00:39:07,552 INFO L448 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:39:07,552 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-12-03 00:39:07,552 INFO L448 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-12-03 00:39:07,552 INFO L448 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-12-03 00:39:07,553 INFO L448 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-12-03 00:39:07,553 INFO L448 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-12-03 00:39:07,553 INFO L448 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-12-03 00:39:07,553 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-12-03 00:39:07,553 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-12-03 00:39:07,553 INFO L448 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-12-03 00:39:07,553 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-12-03 00:39:07,553 INFO L448 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-12-03 00:39:07,553 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-12-03 00:39:07,553 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-12-03 00:39:07,553 INFO L448 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-12-03 00:39:07,553 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-12-03 00:39:07,553 INFO L448 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:39:07,553 INFO L448 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:39:07,553 INFO L448 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:39:07,554 INFO L448 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:39:07,554 INFO L448 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:39:07,554 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-12-03 00:39:07,554 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-12-03 00:39:07,554 INFO L448 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-12-03 00:39:07,554 INFO L448 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-12-03 00:39:07,554 INFO L448 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-12-03 00:39:07,554 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-12-03 00:39:07,554 INFO L448 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-12-03 00:39:07,554 INFO L448 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-12-03 00:39:07,554 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-12-03 00:39:07,554 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 493) no Hoare annotation was computed. [2018-12-03 00:39:07,554 INFO L448 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-12-03 00:39:07,554 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-12-03 00:39:07,555 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:39:07,555 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:39:07,555 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:39:07,555 INFO L448 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:39:07,555 INFO L448 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:39:07,555 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-12-03 00:39:07,555 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-12-03 00:39:07,555 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-12-03 00:39:07,555 INFO L448 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-12-03 00:39:07,555 INFO L448 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-12-03 00:39:07,555 INFO L448 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-12-03 00:39:07,555 INFO L448 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-12-03 00:39:07,555 INFO L448 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-12-03 00:39:07,555 INFO L448 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-12-03 00:39:07,555 INFO L448 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-12-03 00:39:07,555 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-12-03 00:39:07,556 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-12-03 00:39:07,556 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-12-03 00:39:07,556 INFO L448 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:39:07,556 INFO L448 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:39:07,556 INFO L448 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:39:07,556 INFO L448 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:39:07,556 INFO L448 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:39:07,556 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-12-03 00:39:07,556 INFO L448 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-12-03 00:39:07,556 INFO L448 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-12-03 00:39:07,556 INFO L448 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-12-03 00:39:07,556 INFO L448 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-12-03 00:39:07,556 INFO L448 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-12-03 00:39:07,556 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-12-03 00:39:07,556 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-12-03 00:39:07,556 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-12-03 00:39:07,557 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-12-03 00:39:07,557 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-12-03 00:39:07,557 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-12-03 00:39:07,557 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-12-03 00:39:07,557 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-12-03 00:39:07,557 INFO L448 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-12-03 00:39:07,557 INFO L448 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-12-03 00:39:07,557 INFO L448 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:39:07,557 INFO L448 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:39:07,557 INFO L448 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:39:07,557 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:39:07,557 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-12-03 00:39:07,557 INFO L448 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:39:07,557 INFO L448 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-12-03 00:39:07,558 INFO L448 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:39:07,558 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-12-03 00:39:07,558 INFO L448 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-12-03 00:39:07,558 INFO L448 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-12-03 00:39:07,558 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:39:07,558 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:39:07,558 INFO L448 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-12-03 00:39:07,558 INFO L448 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-12-03 00:39:07,558 INFO L448 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-12-03 00:39:07,558 INFO L448 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-12-03 00:39:07,558 INFO L448 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-12-03 00:39:07,558 INFO L448 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-12-03 00:39:07,558 INFO L448 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-12-03 00:39:07,558 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-12-03 00:39:07,558 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-12-03 00:39:07,558 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-12-03 00:39:07,559 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-12-03 00:39:07,559 INFO L448 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:39:07,559 INFO L448 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:39:07,559 INFO L448 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:39:07,559 INFO L448 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:39:07,559 INFO L448 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:39:07,559 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:39:07,559 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-12-03 00:39:07,559 INFO L448 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-12-03 00:39:07,559 INFO L448 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-12-03 00:39:07,559 INFO L448 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-12-03 00:39:07,559 INFO L448 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-12-03 00:39:07,559 INFO L448 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-12-03 00:39:07,559 INFO L448 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-12-03 00:39:07,559 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-12-03 00:39:07,559 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-12-03 00:39:07,560 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-12-03 00:39:07,560 INFO L448 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-12-03 00:39:07,560 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:39:07,560 INFO L448 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:39:07,560 INFO L448 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:39:07,560 INFO L448 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:39:07,560 INFO L448 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:39:07,560 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:39:07,560 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-12-03 00:39:07,560 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-12-03 00:39:07,560 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-12-03 00:39:07,560 INFO L448 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-12-03 00:39:07,560 INFO L448 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-12-03 00:39:07,560 INFO L448 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-12-03 00:39:07,561 INFO L448 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-12-03 00:39:07,561 INFO L448 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-12-03 00:39:07,561 INFO L448 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-12-03 00:39:07,561 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-12-03 00:39:07,561 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-12-03 00:39:07,561 INFO L448 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-12-03 00:39:07,561 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-12-03 00:39:07,561 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-12-03 00:39:07,561 INFO L448 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:39:07,561 INFO L448 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:39:07,561 INFO L448 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:39:07,561 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse7 (= 1 |old(~a25~0)|)) (.cse0 (not (= 1 ~a21~0))) (.cse18 (= 1 |old(~a11~0)|)) (.cse1 (< |old(~a17~0)| 8)) (.cse5 (< 8 |old(~a17~0)|))) (let ((.cse8 (< 7 |old(~a17~0)|)) (.cse3 (not (= ~a25~0 1))) (.cse13 (= |old(~a11~0)| ~a11~0)) (.cse12 (or .cse0 .cse18 .cse1 .cse5)) (.cse9 (<= ~a17~0 |old(~a17~0)|)) (.cse10 (= |old(~a11~0)| |old(~a19~0)|)) (.cse11 (not .cse7)) (.cse16 (< 10 |old(~a28~0)|)) (.cse2 (= |old(~a19~0)| ~a19~0)) (.cse17 (= ~a17~0 |old(~a17~0)|)) (.cse4 (= 1 ~a11~0)) (.cse14 (= ~a28~0 |old(~a28~0)|)) (.cse15 (= ~a25~0 |old(~a25~0)|)) (.cse6 (not .cse18))) (and (or .cse0 .cse1 (and .cse2 .cse3 .cse4 (= |old(~a17~0)| ~a17~0)) .cse5 .cse6 .cse7) (or .cse0 .cse8 (and .cse9 .cse2 (= ~a11~0 |old(~a11~0)|))) (or .cse0 .cse3 .cse8 .cse7) (or .cse0 .cse3 .cse10 .cse6 .cse7) (or .cse11 .cse12 (and .cse13 .cse2 (= 8 ~a17~0) .cse14 .cse15)) (or .cse16 (and .cse13 .cse2 .cse17 .cse14 .cse15) .cse12) (or .cse0 .cse1 (and .cse9 .cse2 (<= 8 ~a17~0) .cse4) .cse10 .cse6) (or .cse0 (and (= 7 ~a28~0) (= 7 ~a17~0) (= 1 ~a25~0)) (not (= 7 |old(~a28~0)|)) .cse11 (not (= 1 |old(~a19~0)|)) .cse6 (not (= 7 |old(~a17~0)|))) (or .cse16 .cse0 .cse1 (= 8 |old(~a28~0)|) (and .cse2 .cse17 .cse4 .cse14 .cse15) .cse5 .cse6)))) [2018-12-03 00:39:07,561 INFO L448 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:39:07,562 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:39:07,562 INFO L448 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:39:07,562 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-12-03 00:39:07,562 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-12-03 00:39:07,562 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-12-03 00:39:07,562 INFO L448 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-12-03 00:39:07,562 INFO L448 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-12-03 00:39:07,562 INFO L448 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-12-03 00:39:07,562 INFO L448 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-12-03 00:39:07,562 INFO L448 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-12-03 00:39:07,562 INFO L448 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-12-03 00:39:07,562 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-12-03 00:39:07,562 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-12-03 00:39:07,562 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-12-03 00:39:07,562 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-12-03 00:39:07,562 INFO L448 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:39:07,563 INFO L448 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:39:07,563 INFO L448 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:39:07,563 INFO L448 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:39:07,563 INFO L448 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:39:07,563 INFO L448 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:39:07,563 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-12-03 00:39:07,563 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-12-03 00:39:07,563 INFO L448 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-12-03 00:39:07,563 INFO L448 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-12-03 00:39:07,563 INFO L448 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-12-03 00:39:07,563 INFO L448 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-12-03 00:39:07,563 INFO L448 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-12-03 00:39:07,563 INFO L448 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-12-03 00:39:07,563 INFO L448 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-12-03 00:39:07,563 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-12-03 00:39:07,563 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-12-03 00:39:07,564 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-12-03 00:39:07,564 INFO L448 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-12-03 00:39:07,564 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-12-03 00:39:07,564 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-12-03 00:39:07,564 INFO L448 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-12-03 00:39:07,564 INFO L448 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:39:07,564 INFO L448 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:39:07,564 INFO L448 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:39:07,564 INFO L448 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:39:07,564 INFO L448 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 00:39:07,564 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-12-03 00:39:07,564 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-12-03 00:39:07,564 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-12-03 00:39:07,564 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-12-03 00:39:07,564 INFO L448 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-12-03 00:39:07,565 INFO L448 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-12-03 00:39:07,565 INFO L448 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-12-03 00:39:07,565 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-12-03 00:39:07,565 INFO L448 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-12-03 00:39:07,565 INFO L448 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-12-03 00:39:07,565 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-12-03 00:39:07,565 INFO L448 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-12-03 00:39:07,565 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-12-03 00:39:07,565 INFO L448 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-12-03 00:39:07,565 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-12-03 00:39:07,565 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-12-03 00:39:07,565 INFO L448 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-12-03 00:39:07,565 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-12-03 00:39:07,565 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-12-03 00:39:07,565 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-03 00:39:07,566 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a21~0 1)) [2018-12-03 00:39:07,566 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-03 00:39:07,566 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-03 00:39:07,566 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a11~0)|)) (and (= ~a11~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|)) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|))) [2018-12-03 00:39:07,566 INFO L444 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse0 (= ~a11~0 |old(~a11~0)|)) (.cse2 (<= ~a28~0 10)) (.cse1 (<= ~a17~0 8)) (.cse3 (= 1 ~a11~0))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a11~0)|)) (<= ~a17~0 7) (and .cse0 (= 1 ~a25~0) .cse1) (not (= 0 |old(~a25~0)|)) (and .cse0 .cse2 .cse1) (not (= 1 |old(~a19~0)|)) (and (not (= ~a25~0 1)) .cse3 .cse1) (not (= 8 |old(~a17~0)|)) (and .cse3 .cse2 (not (= ~a28~0 8)) .cse1) (and (<= ~a17~0 |old(~a17~0)|) .cse3 (not (= ~a19~0 ~a11~0))))) [2018-12-03 00:39:07,566 INFO L448 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2018-12-03 00:39:07,566 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-12-03 00:39:07,566 INFO L444 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (= ~a11~0 |old(~a11~0)|)) (.cse2 (<= ~a28~0 10)) (.cse1 (<= ~a17~0 8)) (.cse3 (= 1 ~a11~0))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a11~0)|)) (<= ~a17~0 7) (and .cse0 (= 1 ~a25~0) .cse1) (not (= 0 |old(~a25~0)|)) (and .cse0 .cse2 .cse1) (not (= 1 |old(~a19~0)|)) (and (not (= ~a25~0 1)) .cse3 .cse1) (not (= 8 |old(~a17~0)|)) (and .cse3 .cse2 (not (= ~a28~0 8)) .cse1) (and (<= ~a17~0 |old(~a17~0)|) .cse3 (not (= ~a19~0 ~a11~0))))) [2018-12-03 00:39:07,566 INFO L448 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-12-03 00:39:07,566 INFO L448 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-12-03 00:39:07,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 12:39:07 BoogieIcfgContainer [2018-12-03 00:39:07,579 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-03 00:39:07,580 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 00:39:07,580 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 00:39:07,580 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 00:39:07,580 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:38:49" (3/4) ... [2018-12-03 00:39:07,583 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-03 00:39:07,587 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-03 00:39:07,587 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-03 00:39:07,588 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-03 00:39:07,596 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-03 00:39:07,596 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-03 00:39:07,615 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(1 == a21) || !(7 == \old(a28))) || !(0 == \old(a11))) || a17 <= 7) || ((a11 == \old(a11) && 1 == a25) && a17 <= 8)) || !(0 == \old(a25))) || ((a11 == \old(a11) && a28 <= 10) && a17 <= 8)) || !(1 == \old(a19))) || ((!(a25 == 1) && 1 == a11) && a17 <= 8)) || !(8 == \old(a17))) || (((1 == a11 && a28 <= 10) && !(a28 == 8)) && a17 <= 8)) || ((a17 <= \old(a17) && 1 == a11) && !(a19 == a11)) [2018-12-03 00:39:07,656 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_75dd946c-3bd9-468a-b90d-c4a9cbc3c1fd/bin-2019/utaipan/witness.graphml [2018-12-03 00:39:07,656 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 00:39:07,657 INFO L168 Benchmark]: Toolchain (without parser) took 19114.87 ms. Allocated memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: 865.6 MB). Free memory was 945.3 MB in the beginning and 1.7 GB in the end (delta: -711.1 MB). Peak memory consumption was 154.5 MB. Max. memory is 11.5 GB. [2018-12-03 00:39:07,658 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 00:39:07,658 INFO L168 Benchmark]: CACSL2BoogieTranslator took 340.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 945.3 MB in the beginning and 1.1 GB in the end (delta: -186.6 MB). Peak memory consumption was 35.1 MB. Max. memory is 11.5 GB. [2018-12-03 00:39:07,658 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-03 00:39:07,658 INFO L168 Benchmark]: Boogie Preprocessor took 38.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-03 00:39:07,658 INFO L168 Benchmark]: RCFGBuilder took 583.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 107.8 MB). Peak memory consumption was 107.8 MB. Max. memory is 11.5 GB. [2018-12-03 00:39:07,659 INFO L168 Benchmark]: TraceAbstraction took 18053.42 ms. Allocated memory was 1.2 GB in the beginning and 1.9 GB in the end (delta: 719.8 MB). Free memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: -659.6 MB). Peak memory consumption was 950.9 MB. Max. memory is 11.5 GB. [2018-12-03 00:39:07,659 INFO L168 Benchmark]: Witness Printer took 76.88 ms. Allocated memory is still 1.9 GB. Free memory was 1.7 GB in the beginning and 1.7 GB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2018-12-03 00:39:07,660 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 340.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 945.3 MB in the beginning and 1.1 GB in the end (delta: -186.6 MB). Peak memory consumption was 35.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 583.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 107.8 MB). Peak memory consumption was 107.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 18053.42 ms. Allocated memory was 1.2 GB in the beginning and 1.9 GB in the end (delta: 719.8 MB). Free memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: -659.6 MB). Peak memory consumption was 950.9 MB. Max. memory is 11.5 GB. * Witness Printer took 76.88 ms. Allocated memory is still 1.9 GB. Free memory was 1.7 GB in the beginning and 1.7 GB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 493]: 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: 606]: Loop Invariant Derived loop invariant: ((((((((((!(1 == a21) || !(7 == \old(a28))) || !(0 == \old(a11))) || a17 <= 7) || ((a11 == \old(a11) && 1 == a25) && a17 <= 8)) || !(0 == \old(a25))) || ((a11 == \old(a11) && a28 <= 10) && a17 <= 8)) || !(1 == \old(a19))) || ((!(a25 == 1) && 1 == a11) && a17 <= 8)) || !(8 == \old(a17))) || (((1 == a11 && a28 <= 10) && !(a28 == 8)) && a17 <= 8)) || ((a17 <= \old(a17) && 1 == a11) && !(a19 == a11)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. SAFE Result, 17.9s OverallTime, 10 OverallIterations, 5 TraceHistogramMax, 12.7s AutomataDifference, 0.0s DeadEndRemovalTime, 1.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 580 SDtfs, 9204 SDslu, 990 SDs, 0 SdLazy, 14049 SolverSat, 2615 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.7s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 2151 GetRequests, 1962 SyntacticMatches, 13 SemanticMatches, 176 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2396 ImplicationChecksByTransitivity, 3.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2649occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.1s AbstIntTime, 5 AbstIntIterations, 1 AbstIntStrong, 0.9970455872484271 AbsIntWeakeningRatio, 0.23448275862068965 AbsIntAvgWeakeningVarsNumRemoved, 25.958620689655174 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 359 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 140 PreInvPairs, 294 NumberOfFragments, 512 HoareAnnotationTreeSize, 140 FomulaSimplifications, 18686 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 6757 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 2545 NumberOfCodeBlocks, 2545 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 3410 ConstructedInterpolants, 0 QuantifiedInterpolants, 2551880 SizeOfPredicates, 4 NumberOfNonLiveVariables, 2134 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 18 InterpolantComputations, 5 PerfectInterpolantSequences, 2075/2284 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...