./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label49_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_55740236-c096-49ce-85c6-ce4208368eef/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_55740236-c096-49ce-85c6-ce4208368eef/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_55740236-c096-49ce-85c6-ce4208368eef/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_55740236-c096-49ce-85c6-ce4208368eef/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label49_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_55740236-c096-49ce-85c6-ce4208368eef/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_55740236-c096-49ce-85c6-ce4208368eef/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 95000caaa926e46a44fd070da2a40a84b9e2d593 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 02:25:14,451 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 02:25:14,452 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 02:25:14,459 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 02:25:14,459 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 02:25:14,460 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 02:25:14,461 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 02:25:14,462 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 02:25:14,463 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 02:25:14,463 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 02:25:14,464 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 02:25:14,464 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 02:25:14,465 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 02:25:14,465 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 02:25:14,466 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 02:25:14,467 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 02:25:14,467 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 02:25:14,468 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 02:25:14,469 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 02:25:14,470 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 02:25:14,471 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 02:25:14,472 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 02:25:14,473 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 02:25:14,474 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 02:25:14,474 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 02:25:14,474 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 02:25:14,475 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 02:25:14,476 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 02:25:14,476 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 02:25:14,477 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 02:25:14,477 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 02:25:14,478 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 02:25:14,478 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 02:25:14,478 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 02:25:14,478 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 02:25:14,479 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 02:25:14,479 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_55740236-c096-49ce-85c6-ce4208368eef/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 02:25:14,489 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 02:25:14,489 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 02:25:14,489 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 02:25:14,490 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 02:25:14,490 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 02:25:14,490 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 02:25:14,490 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 02:25:14,490 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 02:25:14,490 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 02:25:14,490 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 02:25:14,491 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 02:25:14,491 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 02:25:14,491 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 02:25:14,491 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 02:25:14,491 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 02:25:14,492 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 02:25:14,492 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 02:25:14,492 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 02:25:14,492 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 02:25:14,492 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 02:25:14,492 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 02:25:14,492 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 02:25:14,493 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 02:25:14,493 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 02:25:14,493 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 02:25:14,493 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 02:25:14,493 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 02:25:14,493 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 02:25:14,493 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 02:25:14,493 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 02:25:14,494 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 02:25:14,494 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 02:25:14,494 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 02:25:14,494 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 02:25:14,494 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 02:25:14,494 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 02:25:14,494 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 02:25:14,494 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_55740236-c096-49ce-85c6-ce4208368eef/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 -> 95000caaa926e46a44fd070da2a40a84b9e2d593 [2018-11-23 02:25:14,517 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 02:25:14,526 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 02:25:14,528 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 02:25:14,529 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 02:25:14,529 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 02:25:14,530 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_55740236-c096-49ce-85c6-ce4208368eef/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label49_true-unreach-call_false-termination.c [2018-11-23 02:25:14,566 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_55740236-c096-49ce-85c6-ce4208368eef/bin-2019/utaipan/data/229ec04f8/30e387df48ee439ba9f468d20a1d210b/FLAG985a50a02 [2018-11-23 02:25:15,030 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 02:25:15,030 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_55740236-c096-49ce-85c6-ce4208368eef/sv-benchmarks/c/eca-rers2012/Problem02_label49_true-unreach-call_false-termination.c [2018-11-23 02:25:15,039 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_55740236-c096-49ce-85c6-ce4208368eef/bin-2019/utaipan/data/229ec04f8/30e387df48ee439ba9f468d20a1d210b/FLAG985a50a02 [2018-11-23 02:25:15,547 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_55740236-c096-49ce-85c6-ce4208368eef/bin-2019/utaipan/data/229ec04f8/30e387df48ee439ba9f468d20a1d210b [2018-11-23 02:25:15,550 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 02:25:15,551 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 02:25:15,551 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 02:25:15,552 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 02:25:15,554 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 02:25:15,555 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:25:15" (1/1) ... [2018-11-23 02:25:15,557 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68b72d0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:15, skipping insertion in model container [2018-11-23 02:25:15,558 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:25:15" (1/1) ... [2018-11-23 02:25:15,566 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 02:25:15,604 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 02:25:15,862 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 02:25:15,865 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 02:25:15,935 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 02:25:15,947 INFO L195 MainTranslator]: Completed translation [2018-11-23 02:25:15,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:15 WrapperNode [2018-11-23 02:25:15,948 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 02:25:15,949 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 02:25:15,949 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 02:25:15,949 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 02:25:16,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:15" (1/1) ... [2018-11-23 02:25:16,018 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:15" (1/1) ... [2018-11-23 02:25:16,024 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 02:25:16,024 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 02:25:16,024 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 02:25:16,024 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 02:25:16,030 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:15" (1/1) ... [2018-11-23 02:25:16,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:15" (1/1) ... [2018-11-23 02:25:16,033 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:15" (1/1) ... [2018-11-23 02:25:16,033 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:15" (1/1) ... [2018-11-23 02:25:16,055 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:15" (1/1) ... [2018-11-23 02:25:16,065 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:15" (1/1) ... [2018-11-23 02:25:16,067 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:15" (1/1) ... [2018-11-23 02:25:16,071 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 02:25:16,072 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 02:25:16,072 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 02:25:16,072 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 02:25:16,073 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_55740236-c096-49ce-85c6-ce4208368eef/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 02:25:16,108 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 02:25:16,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 02:25:16,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 02:25:16,108 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 02:25:16,108 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 02:25:16,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 02:25:16,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 02:25:16,109 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 02:25:16,109 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 02:25:16,903 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 02:25:16,903 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 02:25:16,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:25:16 BoogieIcfgContainer [2018-11-23 02:25:16,904 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 02:25:16,904 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 02:25:16,905 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 02:25:16,907 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 02:25:16,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:25:15" (1/3) ... [2018-11-23 02:25:16,908 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@166b474f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:25:16, skipping insertion in model container [2018-11-23 02:25:16,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:15" (2/3) ... [2018-11-23 02:25:16,909 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@166b474f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:25:16, skipping insertion in model container [2018-11-23 02:25:16,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:25:16" (3/3) ... [2018-11-23 02:25:16,910 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label49_true-unreach-call_false-termination.c [2018-11-23 02:25:16,917 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 02:25:16,922 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 02:25:16,932 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 02:25:16,954 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 02:25:16,954 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 02:25:16,954 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 02:25:16,954 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 02:25:16,954 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 02:25:16,954 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 02:25:16,955 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 02:25:16,955 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 02:25:16,971 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2018-11-23 02:25:16,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-23 02:25:16,980 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:25:16,981 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:25:16,983 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:25:16,986 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:25:16,987 INFO L82 PathProgramCache]: Analyzing trace with hash 2010725689, now seen corresponding path program 1 times [2018-11-23 02:25:16,988 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:25:17,017 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:25:17,018 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:25:17,018 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:25:17,018 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:25:17,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:25:17,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:25:17,295 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:25:17,296 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 02:25:17,296 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 02:25:17,300 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 02:25:17,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 02:25:17,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 02:25:17,310 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2018-11-23 02:25:17,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:25:17,861 INFO L93 Difference]: Finished difference Result 618 states and 1056 transitions. [2018-11-23 02:25:17,863 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 02:25:17,864 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 131 [2018-11-23 02:25:17,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:25:17,875 INFO L225 Difference]: With dead ends: 618 [2018-11-23 02:25:17,875 INFO L226 Difference]: Without dead ends: 380 [2018-11-23 02:25:17,879 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 02:25:17,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2018-11-23 02:25:17,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 380. [2018-11-23 02:25:17,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 380 states. [2018-11-23 02:25:17,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 606 transitions. [2018-11-23 02:25:17,930 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 606 transitions. Word has length 131 [2018-11-23 02:25:17,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:25:17,930 INFO L480 AbstractCegarLoop]: Abstraction has 380 states and 606 transitions. [2018-11-23 02:25:17,931 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 02:25:17,931 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 606 transitions. [2018-11-23 02:25:17,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-23 02:25:17,935 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:25:17,935 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:25:17,936 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:25:17,936 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:25:17,936 INFO L82 PathProgramCache]: Analyzing trace with hash -2056186306, now seen corresponding path program 1 times [2018-11-23 02:25:17,936 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:25:17,937 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:25:17,937 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:25:17,937 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:25:17,938 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:25:17,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:25:18,168 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:25:18,168 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:25:18,169 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 02:25:18,169 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 02:25:18,170 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 02:25:18,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 02:25:18,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 02:25:18,171 INFO L87 Difference]: Start difference. First operand 380 states and 606 transitions. Second operand 5 states. [2018-11-23 02:25:18,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:25:18,671 INFO L93 Difference]: Finished difference Result 898 states and 1492 transitions. [2018-11-23 02:25:18,673 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 02:25:18,673 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 139 [2018-11-23 02:25:18,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:25:18,675 INFO L225 Difference]: With dead ends: 898 [2018-11-23 02:25:18,675 INFO L226 Difference]: Without dead ends: 379 [2018-11-23 02:25:18,678 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 [2018-11-23 02:25:18,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2018-11-23 02:25:18,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 379. [2018-11-23 02:25:18,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2018-11-23 02:25:18,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 600 transitions. [2018-11-23 02:25:18,694 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 600 transitions. Word has length 139 [2018-11-23 02:25:18,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:25:18,694 INFO L480 AbstractCegarLoop]: Abstraction has 379 states and 600 transitions. [2018-11-23 02:25:18,695 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 02:25:18,695 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 600 transitions. [2018-11-23 02:25:18,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-11-23 02:25:18,697 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:25:18,697 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:25:18,697 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:25:18,697 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:25:18,698 INFO L82 PathProgramCache]: Analyzing trace with hash 1041677834, now seen corresponding path program 1 times [2018-11-23 02:25:18,698 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:25:18,698 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:25:18,699 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:25:18,699 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:25:18,699 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:25:18,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:25:18,896 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:25:18,896 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:25:18,896 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 02:25:18,897 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 02:25:18,897 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 02:25:18,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 02:25:18,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 02:25:18,898 INFO L87 Difference]: Start difference. First operand 379 states and 600 transitions. Second operand 5 states. [2018-11-23 02:25:19,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:25:19,406 INFO L93 Difference]: Finished difference Result 896 states and 1477 transitions. [2018-11-23 02:25:19,407 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 02:25:19,407 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 145 [2018-11-23 02:25:19,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:25:19,409 INFO L225 Difference]: With dead ends: 896 [2018-11-23 02:25:19,409 INFO L226 Difference]: Without dead ends: 378 [2018-11-23 02:25:19,411 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 02:25:19,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2018-11-23 02:25:19,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 378. [2018-11-23 02:25:19,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 378 states. [2018-11-23 02:25:19,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 592 transitions. [2018-11-23 02:25:19,422 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 592 transitions. Word has length 145 [2018-11-23 02:25:19,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:25:19,423 INFO L480 AbstractCegarLoop]: Abstraction has 378 states and 592 transitions. [2018-11-23 02:25:19,423 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 02:25:19,423 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 592 transitions. [2018-11-23 02:25:19,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-23 02:25:19,425 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:25:19,425 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:25:19,425 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:25:19,425 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:25:19,426 INFO L82 PathProgramCache]: Analyzing trace with hash -33342687, now seen corresponding path program 1 times [2018-11-23 02:25:19,426 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:25:19,426 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:25:19,427 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:25:19,427 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:25:19,427 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:25:19,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:25:19,523 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:25:19,523 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:25:19,524 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 02:25:19,524 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 02:25:19,525 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 02:25:19,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 02:25:19,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 02:25:19,525 INFO L87 Difference]: Start difference. First operand 378 states and 592 transitions. Second operand 6 states. [2018-11-23 02:25:20,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:25:20,372 INFO L93 Difference]: Finished difference Result 1186 states and 1935 transitions. [2018-11-23 02:25:20,372 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 02:25:20,372 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 153 [2018-11-23 02:25:20,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:25:20,376 INFO L225 Difference]: With dead ends: 1186 [2018-11-23 02:25:20,377 INFO L226 Difference]: Without dead ends: 814 [2018-11-23 02:25:20,378 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-23 02:25:20,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 814 states. [2018-11-23 02:25:20,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 814 to 803. [2018-11-23 02:25:20,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 803 states. [2018-11-23 02:25:20,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 803 states and 1204 transitions. [2018-11-23 02:25:20,402 INFO L78 Accepts]: Start accepts. Automaton has 803 states and 1204 transitions. Word has length 153 [2018-11-23 02:25:20,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:25:20,402 INFO L480 AbstractCegarLoop]: Abstraction has 803 states and 1204 transitions. [2018-11-23 02:25:20,402 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 02:25:20,402 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 1204 transitions. [2018-11-23 02:25:20,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-23 02:25:20,406 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:25:20,406 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:25:20,406 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:25:20,406 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:25:20,407 INFO L82 PathProgramCache]: Analyzing trace with hash 1756128357, now seen corresponding path program 1 times [2018-11-23 02:25:20,407 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:25:20,407 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:25:20,407 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:25:20,408 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:25:20,408 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:25:20,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:25:20,585 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:25:20,585 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:25:20,585 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 02:25:20,585 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 02:25:20,586 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 02:25:20,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 02:25:20,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 02:25:20,586 INFO L87 Difference]: Start difference. First operand 803 states and 1204 transitions. Second operand 5 states. [2018-11-23 02:25:21,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:25:21,032 INFO L93 Difference]: Finished difference Result 1744 states and 2660 transitions. [2018-11-23 02:25:21,036 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 02:25:21,036 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 155 [2018-11-23 02:25:21,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:25:21,039 INFO L225 Difference]: With dead ends: 1744 [2018-11-23 02:25:21,039 INFO L226 Difference]: Without dead ends: 800 [2018-11-23 02:25:21,042 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 [2018-11-23 02:25:21,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2018-11-23 02:25:21,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 800. [2018-11-23 02:25:21,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 800 states. [2018-11-23 02:25:21,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 800 states and 1186 transitions. [2018-11-23 02:25:21,060 INFO L78 Accepts]: Start accepts. Automaton has 800 states and 1186 transitions. Word has length 155 [2018-11-23 02:25:21,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:25:21,060 INFO L480 AbstractCegarLoop]: Abstraction has 800 states and 1186 transitions. [2018-11-23 02:25:21,060 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 02:25:21,061 INFO L276 IsEmpty]: Start isEmpty. Operand 800 states and 1186 transitions. [2018-11-23 02:25:21,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-23 02:25:21,063 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:25:21,063 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:25:21,063 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:25:21,063 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:25:21,063 INFO L82 PathProgramCache]: Analyzing trace with hash -1935651415, now seen corresponding path program 1 times [2018-11-23 02:25:21,064 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:25:21,064 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:25:21,064 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:25:21,065 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:25:21,065 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:25:21,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:25:21,227 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:25:21,227 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:25:21,227 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 02:25:21,227 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 02:25:21,227 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 02:25:21,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 02:25:21,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 02:25:21,228 INFO L87 Difference]: Start difference. First operand 800 states and 1186 transitions. Second operand 5 states. [2018-11-23 02:25:21,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:25:21,657 INFO L93 Difference]: Finished difference Result 1738 states and 2621 transitions. [2018-11-23 02:25:21,657 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 02:25:21,658 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 157 [2018-11-23 02:25:21,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:25:21,661 INFO L225 Difference]: With dead ends: 1738 [2018-11-23 02:25:21,661 INFO L226 Difference]: Without dead ends: 797 [2018-11-23 02:25:21,664 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 [2018-11-23 02:25:21,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 797 states. [2018-11-23 02:25:21,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 797 to 797. [2018-11-23 02:25:21,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 797 states. [2018-11-23 02:25:21,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 797 states and 1165 transitions. [2018-11-23 02:25:21,682 INFO L78 Accepts]: Start accepts. Automaton has 797 states and 1165 transitions. Word has length 157 [2018-11-23 02:25:21,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:25:21,683 INFO L480 AbstractCegarLoop]: Abstraction has 797 states and 1165 transitions. [2018-11-23 02:25:21,683 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 02:25:21,683 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 1165 transitions. [2018-11-23 02:25:21,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-23 02:25:21,687 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:25:21,687 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:25:21,687 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:25:21,687 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:25:21,687 INFO L82 PathProgramCache]: Analyzing trace with hash -1918345167, now seen corresponding path program 1 times [2018-11-23 02:25:21,688 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:25:21,690 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:25:21,690 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:25:21,690 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:25:21,690 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:25:21,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:25:21,793 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:25:21,794 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:25:21,794 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 02:25:21,794 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 02:25:21,794 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 02:25:21,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 02:25:21,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 02:25:21,795 INFO L87 Difference]: Start difference. First operand 797 states and 1165 transitions. Second operand 6 states. [2018-11-23 02:25:22,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:25:22,443 INFO L93 Difference]: Finished difference Result 2367 states and 3607 transitions. [2018-11-23 02:25:22,443 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 02:25:22,443 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 161 [2018-11-23 02:25:22,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:25:22,449 INFO L225 Difference]: With dead ends: 2367 [2018-11-23 02:25:22,450 INFO L226 Difference]: Without dead ends: 1576 [2018-11-23 02:25:22,453 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-23 02:25:22,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1576 states. [2018-11-23 02:25:22,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1576 to 1550. [2018-11-23 02:25:22,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1550 states. [2018-11-23 02:25:22,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1550 states to 1550 states and 2217 transitions. [2018-11-23 02:25:22,490 INFO L78 Accepts]: Start accepts. Automaton has 1550 states and 2217 transitions. Word has length 161 [2018-11-23 02:25:22,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:25:22,490 INFO L480 AbstractCegarLoop]: Abstraction has 1550 states and 2217 transitions. [2018-11-23 02:25:22,490 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 02:25:22,490 INFO L276 IsEmpty]: Start isEmpty. Operand 1550 states and 2217 transitions. [2018-11-23 02:25:22,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-11-23 02:25:22,495 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:25:22,496 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:25:22,496 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:25:22,496 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:25:22,496 INFO L82 PathProgramCache]: Analyzing trace with hash 264500657, now seen corresponding path program 1 times [2018-11-23 02:25:22,496 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:25:22,497 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:25:22,497 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:25:22,497 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:25:22,497 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:25:22,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:25:22,605 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 86 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:25:22,605 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:25:22,605 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 02:25:22,606 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 196 with the following transitions: [2018-11-23 02:25:22,608 INFO L202 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], [107], [108], [112], [116], [120], [123], [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], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [727], [729], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 02:25:22,644 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 02:25:22,645 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 02:25:23,191 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 02:25:23,192 INFO L272 AbstractInterpreter]: Visited 135 different actions 264 times. Merged at 4 different actions 4 times. Never widened. Performed 2967 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2967 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-11-23 02:25:23,217 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:25:23,217 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 02:25:23,609 INFO L227 lantSequenceWeakener]: Weakened 192 states. On average, predicates are now at 82.74% of their original sizes. [2018-11-23 02:25:23,609 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 02:25:23,674 INFO L415 sIntCurrentIteration]: We unified 194 AI predicates to 194 [2018-11-23 02:25:23,675 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 02:25:23,675 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 02:25:23,676 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-23 02:25:23,676 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 02:25:23,676 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 02:25:23,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 02:25:23,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 02:25:23,677 INFO L87 Difference]: Start difference. First operand 1550 states and 2217 transitions. Second operand 10 states. [2018-11-23 02:25:26,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:25:26,797 INFO L93 Difference]: Finished difference Result 3902 states and 5544 transitions. [2018-11-23 02:25:26,797 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-23 02:25:26,797 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 195 [2018-11-23 02:25:26,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:25:26,802 INFO L225 Difference]: With dead ends: 3902 [2018-11-23 02:25:26,802 INFO L226 Difference]: Without dead ends: 2358 [2018-11-23 02:25:26,804 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 204 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-23 02:25:26,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2358 states. [2018-11-23 02:25:26,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2358 to 2289. [2018-11-23 02:25:26,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2289 states. [2018-11-23 02:25:26,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2289 states to 2289 states and 3065 transitions. [2018-11-23 02:25:26,836 INFO L78 Accepts]: Start accepts. Automaton has 2289 states and 3065 transitions. Word has length 195 [2018-11-23 02:25:26,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:25:26,836 INFO L480 AbstractCegarLoop]: Abstraction has 2289 states and 3065 transitions. [2018-11-23 02:25:26,836 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 02:25:26,837 INFO L276 IsEmpty]: Start isEmpty. Operand 2289 states and 3065 transitions. [2018-11-23 02:25:26,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-11-23 02:25:26,841 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:25:26,841 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:25:26,842 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:25:26,842 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:25:26,842 INFO L82 PathProgramCache]: Analyzing trace with hash -896675840, now seen corresponding path program 1 times [2018-11-23 02:25:26,842 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:25:26,843 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:25:26,843 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:25:26,843 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:25:26,843 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:25:26,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:25:26,947 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 81 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:25:26,947 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:25:26,947 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 02:25:26,948 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 200 with the following transitions: [2018-11-23 02:25:26,948 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [119], [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], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [727], [729], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 02:25:26,951 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 02:25:26,952 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 02:25:27,154 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 02:25:27,155 INFO L272 AbstractInterpreter]: Visited 137 different actions 406 times. Merged at 7 different actions 17 times. Never widened. Performed 4808 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4808 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-23 02:25:27,164 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:25:27,165 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 02:25:27,165 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:25:27,165 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_55740236-c096-49ce-85c6-ce4208368eef/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 02:25:27,183 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:25:27,183 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 02:25:27,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:25:27,258 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:25:27,332 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 95 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 02:25:27,332 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 02:25:27,417 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 95 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 02:25:27,433 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 02:25:27,434 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5, 5] total 16 [2018-11-23 02:25:27,434 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 02:25:27,434 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-23 02:25:27,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-23 02:25:27,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2018-11-23 02:25:27,435 INFO L87 Difference]: Start difference. First operand 2289 states and 3065 transitions. Second operand 14 states. [2018-11-23 02:25:29,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:25:29,292 INFO L93 Difference]: Finished difference Result 7697 states and 10747 transitions. [2018-11-23 02:25:29,292 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-23 02:25:29,292 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 199 [2018-11-23 02:25:29,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:25:29,302 INFO L225 Difference]: With dead ends: 7697 [2018-11-23 02:25:29,302 INFO L226 Difference]: Without dead ends: 3047 [2018-11-23 02:25:29,313 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 444 GetRequests, 410 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2018-11-23 02:25:29,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3047 states. [2018-11-23 02:25:29,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3047 to 3024. [2018-11-23 02:25:29,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3024 states. [2018-11-23 02:25:29,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3024 states to 3024 states and 3595 transitions. [2018-11-23 02:25:29,374 INFO L78 Accepts]: Start accepts. Automaton has 3024 states and 3595 transitions. Word has length 199 [2018-11-23 02:25:29,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:25:29,375 INFO L480 AbstractCegarLoop]: Abstraction has 3024 states and 3595 transitions. [2018-11-23 02:25:29,375 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-23 02:25:29,375 INFO L276 IsEmpty]: Start isEmpty. Operand 3024 states and 3595 transitions. [2018-11-23 02:25:29,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-11-23 02:25:29,383 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:25:29,383 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:25:29,383 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:25:29,383 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:25:29,384 INFO L82 PathProgramCache]: Analyzing trace with hash -2138649182, now seen corresponding path program 1 times [2018-11-23 02:25:29,384 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:25:29,384 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:25:29,384 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:25:29,384 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:25:29,385 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:25:29,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:25:29,823 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 226 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:25:29,823 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:25:29,823 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 02:25:29,823 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 279 with the following transitions: [2018-11-23 02:25:29,824 INFO L202 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], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [727], [729], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 02:25:29,827 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 02:25:29,827 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 02:25:30,169 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 02:25:30,169 INFO L272 AbstractInterpreter]: Visited 139 different actions 546 times. Merged at 7 different actions 27 times. Widened at 1 different actions 1 times. Performed 6381 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6381 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 6 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-23 02:25:30,171 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:25:30,171 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 02:25:30,171 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:25:30,171 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_55740236-c096-49ce-85c6-ce4208368eef/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 02:25:30,177 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:25:30,177 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 02:25:30,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:25:30,251 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:25:30,349 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 225 proven. 2 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-23 02:25:30,349 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 02:25:30,448 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 225 proven. 2 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-23 02:25:30,464 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 02:25:30,464 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 6, 6] total 22 [2018-11-23 02:25:30,464 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 02:25:30,464 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-11-23 02:25:30,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-11-23 02:25:30,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=390, Unknown=0, NotChecked=0, Total=462 [2018-11-23 02:25:30,465 INFO L87 Difference]: Start difference. First operand 3024 states and 3595 transitions. Second operand 20 states. [2018-11-23 02:25:35,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:25:35,374 INFO L93 Difference]: Finished difference Result 6953 states and 9012 transitions. [2018-11-23 02:25:35,374 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2018-11-23 02:25:35,374 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 278 [2018-11-23 02:25:35,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:25:35,386 INFO L225 Difference]: With dead ends: 6953 [2018-11-23 02:25:35,386 INFO L226 Difference]: Without dead ends: 3711 [2018-11-23 02:25:35,393 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 668 GetRequests, 585 SyntacticMatches, 2 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2080 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=1331, Invalid=5475, Unknown=0, NotChecked=0, Total=6806 [2018-11-23 02:25:35,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3711 states. [2018-11-23 02:25:35,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3711 to 3075. [2018-11-23 02:25:35,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3075 states. [2018-11-23 02:25:35,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3075 states to 3075 states and 3573 transitions. [2018-11-23 02:25:35,477 INFO L78 Accepts]: Start accepts. Automaton has 3075 states and 3573 transitions. Word has length 278 [2018-11-23 02:25:35,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:25:35,477 INFO L480 AbstractCegarLoop]: Abstraction has 3075 states and 3573 transitions. [2018-11-23 02:25:35,477 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-11-23 02:25:35,477 INFO L276 IsEmpty]: Start isEmpty. Operand 3075 states and 3573 transitions. [2018-11-23 02:25:35,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-11-23 02:25:35,485 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:25:35,485 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:25:35,485 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:25:35,485 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:25:35,485 INFO L82 PathProgramCache]: Analyzing trace with hash -687839117, now seen corresponding path program 1 times [2018-11-23 02:25:35,486 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:25:35,486 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:25:35,486 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:25:35,486 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:25:35,486 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:25:35,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:25:35,592 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 170 proven. 13 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-11-23 02:25:35,593 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:25:35,593 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 02:25:35,593 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 281 with the following transitions: [2018-11-23 02:25:35,594 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [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], [202], [205], [209], [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], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [727], [729], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 02:25:35,598 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 02:25:35,599 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 02:25:35,865 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 02:25:35,865 INFO L272 AbstractInterpreter]: Visited 136 different actions 401 times. Merged at 6 different actions 13 times. Never widened. Performed 4595 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4595 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-23 02:25:35,877 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:25:35,877 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 02:25:36,157 INFO L227 lantSequenceWeakener]: Weakened 275 states. On average, predicates are now at 84.54% of their original sizes. [2018-11-23 02:25:36,157 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 02:25:36,189 INFO L415 sIntCurrentIteration]: We unified 279 AI predicates to 279 [2018-11-23 02:25:36,189 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 02:25:36,189 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 02:25:36,189 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 13 [2018-11-23 02:25:36,189 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 02:25:36,190 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 02:25:36,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 02:25:36,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 02:25:36,190 INFO L87 Difference]: Start difference. First operand 3075 states and 3573 transitions. Second operand 9 states. [2018-11-23 02:25:37,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:25:37,837 INFO L93 Difference]: Finished difference Result 5458 states and 6401 transitions. [2018-11-23 02:25:37,837 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-23 02:25:37,837 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 280 [2018-11-23 02:25:37,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:25:37,838 INFO L225 Difference]: With dead ends: 5458 [2018-11-23 02:25:37,838 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 02:25:37,844 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 286 GetRequests, 272 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-11-23 02:25:37,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 02:25:37,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 02:25:37,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 02:25:37,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 02:25:37,845 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 280 [2018-11-23 02:25:37,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:25:37,845 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 02:25:37,845 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 02:25:37,845 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 02:25:37,845 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 02:25:37,849 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 02:25:37,979 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:25:37,981 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:25:37,982 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:25:37,984 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:25:37,998 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:25:38,014 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:25:38,015 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:25:38,017 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:25:38,019 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:25:38,021 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:25:38,031 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:25:38,033 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:25:38,045 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:25:38,069 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:25:38,088 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:25:38,090 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:25:38,107 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:25:38,119 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:25:38,120 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:25:38,122 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:25:38,140 WARN L180 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 148 [2018-11-23 02:25:38,187 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:25:38,188 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:25:38,199 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:25:38,201 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:25:38,202 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:25:38,203 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:25:38,205 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:25:38,206 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:25:38,214 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:25:38,227 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:25:38,228 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:25:38,229 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:25:38,242 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:25:38,243 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:25:38,244 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:25:38,245 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:25:38,246 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:25:38,247 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:25:38,247 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:25:38,249 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:25:38,257 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:25:38,258 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:25:38,259 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:25:38,273 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:25:38,275 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 119 [2018-11-23 02:25:39,072 WARN L180 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 83 [2018-11-23 02:25:39,471 WARN L180 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 66 [2018-11-23 02:25:39,746 WARN L180 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 65 [2018-11-23 02:25:39,747 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 02:25:39,747 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a11~0)| ~a11~0) (= |old(~a17~0)| ~a17~0) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|)) [2018-11-23 02:25:39,747 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 02:25:39,748 INFO L448 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 02:25:39,748 INFO L448 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 02:25:39,748 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 02:25:39,748 INFO L448 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 02:25:39,748 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 02:25:39,748 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-11-23 02:25:39,748 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-11-23 02:25:39,748 INFO L448 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-23 02:25:39,748 INFO L448 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-23 02:25:39,748 INFO L448 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-11-23 02:25:39,748 INFO L448 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-23 02:25:39,748 INFO L448 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-11-23 02:25:39,748 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 547) no Hoare annotation was computed. [2018-11-23 02:25:39,748 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-11-23 02:25:39,748 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-11-23 02:25:39,748 INFO L448 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-11-23 02:25:39,748 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-23 02:25:39,748 INFO L448 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-11-23 02:25:39,748 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-11-23 02:25:39,748 INFO L448 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 02:25:39,748 INFO L448 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 02:25:39,749 INFO L448 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 02:25:39,749 INFO L448 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 02:25:39,749 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-23 02:25:39,749 INFO L448 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 02:25:39,749 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-11-23 02:25:39,749 INFO L448 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-23 02:25:39,749 INFO L448 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-23 02:25:39,749 INFO L448 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-23 02:25:39,749 INFO L448 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-23 02:25:39,749 INFO L448 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-23 02:25:39,749 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-11-23 02:25:39,749 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-23 02:25:39,749 INFO L448 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-11-23 02:25:39,749 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-11-23 02:25:39,749 INFO L448 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-11-23 02:25:39,750 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-11-23 02:25:39,750 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-11-23 02:25:39,750 INFO L448 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-11-23 02:25:39,750 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-11-23 02:25:39,750 INFO L448 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 02:25:39,750 INFO L448 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 02:25:39,750 INFO L448 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 02:25:39,750 INFO L448 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 02:25:39,750 INFO L448 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 02:25:39,750 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-11-23 02:25:39,750 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-11-23 02:25:39,750 INFO L448 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-11-23 02:25:39,750 INFO L448 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-23 02:25:39,750 INFO L448 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-23 02:25:39,751 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-23 02:25:39,751 INFO L448 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-23 02:25:39,751 INFO L448 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-23 02:25:39,751 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-11-23 02:25:39,751 INFO L448 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-11-23 02:25:39,751 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-11-23 02:25:39,751 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 02:25:39,751 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 02:25:39,751 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 02:25:39,751 INFO L448 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 02:25:39,751 INFO L448 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 02:25:39,751 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-11-23 02:25:39,751 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-11-23 02:25:39,751 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-11-23 02:25:39,752 INFO L448 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-23 02:25:39,752 INFO L448 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-23 02:25:39,752 INFO L448 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-11-23 02:25:39,752 INFO L448 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-23 02:25:39,752 INFO L448 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-11-23 02:25:39,752 INFO L448 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-23 02:25:39,752 INFO L448 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-11-23 02:25:39,752 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-11-23 02:25:39,752 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-11-23 02:25:39,752 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-11-23 02:25:39,752 INFO L448 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 02:25:39,752 INFO L448 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 02:25:39,752 INFO L448 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 02:25:39,752 INFO L448 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 02:25:39,753 INFO L448 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 02:25:39,753 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-11-23 02:25:39,753 INFO L448 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-23 02:25:39,753 INFO L448 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-11-23 02:25:39,753 INFO L448 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-11-23 02:25:39,753 INFO L448 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-23 02:25:39,753 INFO L448 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-23 02:25:39,753 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-11-23 02:25:39,753 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-11-23 02:25:39,753 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-11-23 02:25:39,753 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-11-23 02:25:39,753 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-11-23 02:25:39,753 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-11-23 02:25:39,753 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-11-23 02:25:39,754 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-23 02:25:39,754 INFO L448 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-11-23 02:25:39,754 INFO L448 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-11-23 02:25:39,754 INFO L448 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 02:25:39,754 INFO L448 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 02:25:39,754 INFO L448 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 02:25:39,754 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 02:25:39,754 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-11-23 02:25:39,754 INFO L448 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 02:25:39,754 INFO L448 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-11-23 02:25:39,754 INFO L448 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-11-23 02:25:39,754 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-23 02:25:39,754 INFO L448 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-11-23 02:25:39,754 INFO L448 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-11-23 02:25:39,755 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-11-23 02:25:39,755 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-11-23 02:25:39,755 INFO L448 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-23 02:25:39,755 INFO L448 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-23 02:25:39,755 INFO L448 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-11-23 02:25:39,755 INFO L448 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-23 02:25:39,755 INFO L448 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-23 02:25:39,755 INFO L448 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-11-23 02:25:39,755 INFO L448 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-11-23 02:25:39,755 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-11-23 02:25:39,755 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-11-23 02:25:39,755 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-11-23 02:25:39,755 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-11-23 02:25:39,756 INFO L448 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 02:25:39,756 INFO L448 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 02:25:39,756 INFO L448 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 02:25:39,756 INFO L448 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 02:25:39,756 INFO L448 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 02:25:39,756 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 02:25:39,756 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-11-23 02:25:39,756 INFO L448 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-23 02:25:39,756 INFO L448 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-23 02:25:39,756 INFO L448 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-23 02:25:39,756 INFO L448 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-23 02:25:39,756 INFO L448 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-23 02:25:39,756 INFO L448 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-23 02:25:39,756 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-11-23 02:25:39,756 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-11-23 02:25:39,757 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-11-23 02:25:39,757 INFO L448 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-11-23 02:25:39,757 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 02:25:39,757 INFO L448 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 02:25:39,757 INFO L448 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 02:25:39,757 INFO L448 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 02:25:39,757 INFO L448 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 02:25:39,757 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 02:25:39,757 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-11-23 02:25:39,757 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-11-23 02:25:39,757 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-11-23 02:25:39,757 INFO L448 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-11-23 02:25:39,757 INFO L448 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-23 02:25:39,757 INFO L448 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-11-23 02:25:39,757 INFO L448 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-11-23 02:25:39,758 INFO L448 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-23 02:25:39,758 INFO L448 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-23 02:25:39,758 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-11-23 02:25:39,758 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-11-23 02:25:39,758 INFO L448 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-11-23 02:25:39,758 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-11-23 02:25:39,758 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-11-23 02:25:39,758 INFO L448 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 02:25:39,758 INFO L448 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 02:25:39,758 INFO L448 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 02:25:39,759 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse20 (= |old(~a11~0)| ~a11~0)) (.cse21 (= ~a28~0 |old(~a28~0)|)) (.cse22 (= ~a25~0 |old(~a25~0)|)) (.cse18 (= 1 |old(~a19~0)|)) (.cse17 (= 1 |old(~a25~0)|)) (.cse1 (= 1 |old(~a11~0)|))) (let ((.cse4 (not (= 7 |old(~a28~0)|))) (.cse8 (= 1 ~a11~0)) (.cse11 (= 8 ~a17~0)) (.cse9 (= 1 ~a19~0)) (.cse7 (not .cse1)) (.cse5 (not .cse17)) (.cse6 (not .cse18)) (.cse15 (= 0 |old(~a28~0)|)) (.cse10 (not (= 8 |old(~a17~0)|))) (.cse16 (= |calculate_output_#in~input| 0)) (.cse14 (and .cse20 (= ~a17~0 8) (= ~a19~0 1) .cse21 .cse22)) (.cse13 (< 10 |old(~a28~0)|)) (.cse12 (= 9 |old(~a28~0)|)) (.cse19 (= |old(~a25~0)| ~a25~0)) (.cse0 (not (= 1 ~a21~0))) (.cse2 (= 8 |old(~a28~0)|)) (.cse3 (< 7 |old(~a17~0)|))) (and (or .cse0 .cse1 .cse2 (not (= ~a11~0 1)) .cse3) (or .cse0 .cse4 .cse5 .cse6 .cse7 (and .cse8 .cse9) (not (= 7 |old(~a17~0)|))) (or .cse0 .cse5 .cse6 .cse10 (and .cse8 (= 1 ~a25~0) (= 9 ~a28~0) .cse11 .cse9) (not .cse12) .cse7) (or .cse13 .cse0 .cse14 .cse6 .cse15 .cse2 .cse10 .cse16 .cse17) (or .cse18 .cse0 .cse4 .cse10 (and (= 7 ~a28~0) (not (= ~a25~0 1)) .cse8 .cse11 (not .cse9)) .cse7 .cse17) (or (and .cse8 .cse11 .cse9 .cse19 (= 10 ~a28~0)) .cse0 (not (= 10 |old(~a28~0)|)) .cse5 .cse6 .cse10 .cse7) (or .cse0 .cse1 .cse5 .cse6 .cse15 .cse10 .cse16 .cse14) (or (or .cse13 .cse0 .cse1 .cse12 (not (= |old(~a17~0)| 8))) (and .cse20 (= ~a17~0 |old(~a17~0)|) .cse21 .cse22)) (or (and (= |old(~a17~0)| ~a17~0) .cse19 .cse21) .cse0 .cse2 .cse3)))) [2018-11-23 02:25:39,759 INFO L448 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 02:25:39,759 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 02:25:39,759 INFO L448 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 02:25:39,759 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-11-23 02:25:39,759 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-11-23 02:25:39,759 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-11-23 02:25:39,759 INFO L448 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-11-23 02:25:39,759 INFO L448 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-23 02:25:39,759 INFO L448 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-23 02:25:39,759 INFO L448 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-11-23 02:25:39,759 INFO L448 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-23 02:25:39,759 INFO L448 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-11-23 02:25:39,760 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-11-23 02:25:39,760 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-11-23 02:25:39,760 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-11-23 02:25:39,760 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-11-23 02:25:39,760 INFO L448 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 02:25:39,760 INFO L448 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 02:25:39,760 INFO L448 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 02:25:39,760 INFO L448 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 02:25:39,760 INFO L448 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 02:25:39,760 INFO L448 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 02:25:39,760 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-11-23 02:25:39,760 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-11-23 02:25:39,760 INFO L448 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-23 02:25:39,760 INFO L448 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-11-23 02:25:39,761 INFO L448 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-11-23 02:25:39,761 INFO L448 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-11-23 02:25:39,761 INFO L448 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-23 02:25:39,761 INFO L448 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-11-23 02:25:39,761 INFO L448 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-11-23 02:25:39,761 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-11-23 02:25:39,761 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-11-23 02:25:39,761 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-11-23 02:25:39,761 INFO L448 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-11-23 02:25:39,761 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-11-23 02:25:39,761 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-11-23 02:25:39,761 INFO L448 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-11-23 02:25:39,761 INFO L448 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 02:25:39,761 INFO L448 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 02:25:39,761 INFO L448 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 02:25:39,762 INFO L448 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 02:25:39,762 INFO L448 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 02:25:39,762 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-11-23 02:25:39,762 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-11-23 02:25:39,762 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-11-23 02:25:39,762 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-11-23 02:25:39,762 INFO L448 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-23 02:25:39,762 INFO L448 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-23 02:25:39,762 INFO L448 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-23 02:25:39,762 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-23 02:25:39,762 INFO L448 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-23 02:25:39,762 INFO L448 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-23 02:25:39,762 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-11-23 02:25:39,763 INFO L448 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-11-23 02:25:39,763 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-11-23 02:25:39,763 INFO L448 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-11-23 02:25:39,763 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-11-23 02:25:39,763 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-11-23 02:25:39,763 INFO L448 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-11-23 02:25:39,763 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-11-23 02:25:39,763 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-11-23 02:25:39,763 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 02:25:39,763 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)) [2018-11-23 02:25:39,763 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 02:25:39,763 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 02:25:39,764 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)|))) [2018-11-23 02:25:39,764 INFO L444 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse4 (= 1 ~a25~0)) (.cse3 (not (= ~a11~0 1))) (.cse2 (= 8 ~a17~0)) (.cse5 (= 1 ~a19~0)) (.cse7 (not (= ~a25~0 1))) (.cse1 (<= ~a28~0 10)) (.cse0 (not (= ~a28~0 8))) (.cse6 (= ~a19~0 1))) (or (not (= 1 ~a21~0)) (and (<= ~a17~0 7) .cse0) (not (= 0 |old(~a11~0)|)) (and .cse1 .cse2 .cse3 (not (= ~a28~0 9))) (and .cse4 (= 9 ~a28~0) .cse2 .cse5) (not (= 1 |old(~a19~0)|)) (and .cse4 .cse2 .cse5 (= 10 ~a28~0)) (not (= 8 |old(~a17~0)|)) (and .cse6 (and .cse4 .cse2 .cse3)) (and .cse6 (and (= |old(~a17~0)| ~a17~0) .cse1 .cse3)) (not (= 7 |old(~a28~0)|)) (and (= 7 ~a28~0) .cse7 .cse2 (not .cse5)) (and (and .cse7 .cse1 .cse0) (not (= main_~input~0 0)) (not (= ~a28~0 0)) (= ~a17~0 8) .cse6) (not (= 0 |old(~a25~0)|)))) [2018-11-23 02:25:39,764 INFO L448 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2018-11-23 02:25:39,764 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-11-23 02:25:39,764 INFO L444 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse6 (not (= ~a25~0 1))) (.cse0 (not (= ~a28~0 8))) (.cse1 (not (= main_~input~0 0))) (.cse2 (= ~a19~0 1)) (.cse8 (<= ~a28~0 10)) (.cse5 (not (= ~a11~0 1))) (.cse3 (= 1 ~a25~0)) (.cse4 (= 8 ~a17~0)) (.cse7 (= 1 ~a19~0))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and (<= ~a17~0 7) .cse0) (and .cse1 .cse2 (and .cse3 .cse4 .cse5)) (not (= 0 |old(~a11~0)|)) (and (= 7 ~a28~0) .cse6 .cse4 (not .cse7)) (and (and .cse6 .cse8 .cse0) .cse1 (not (= ~a28~0 0)) (= ~a17~0 8) .cse2) (and (= 1 ~a11~0) .cse3 (= 9 ~a28~0) .cse4 .cse7) (not (= 0 |old(~a25~0)|)) (and (= |old(~a17~0)| ~a17~0) .cse8 .cse5 (not (= ~a28~0 9))) (not (= 1 |old(~a19~0)|)) (and .cse3 .cse4 .cse7 (= 10 ~a28~0)) (not (= 8 |old(~a17~0)|)))) [2018-11-23 02:25:39,764 INFO L448 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-23 02:25:39,764 INFO L448 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-11-23 02:25:39,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:25:39 BoogieIcfgContainer [2018-11-23 02:25:39,774 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 02:25:39,774 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 02:25:39,774 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 02:25:39,774 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 02:25:39,775 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:25:16" (3/4) ... [2018-11-23 02:25:39,778 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 02:25:39,783 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 02:25:39,783 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 02:25:39,784 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 02:25:39,793 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 02:25:39,794 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 02:25:39,817 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((!(1 == a21) || (a17 <= 7 && !(a28 == 8))) || !(0 == \old(a11))) || (((a28 <= 10 && 8 == a17) && !(a11 == 1)) && !(a28 == 9))) || (((1 == a25 && 9 == a28) && 8 == a17) && 1 == a19)) || !(1 == \old(a19))) || (((1 == a25 && 8 == a17) && 1 == a19) && 10 == a28)) || !(8 == \old(a17))) || (a19 == 1 && (1 == a25 && 8 == a17) && !(a11 == 1))) || (a19 == 1 && (\old(a17) == a17 && a28 <= 10) && !(a11 == 1))) || !(7 == \old(a28))) || (((7 == a28 && !(a25 == 1)) && 8 == a17) && !(1 == a19))) || ((((((!(a25 == 1) && a28 <= 10) && !(a28 == 8)) && !(input == 0)) && !(a28 == 0)) && a17 == 8) && a19 == 1)) || !(0 == \old(a25)) [2018-11-23 02:25:39,874 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_55740236-c096-49ce-85c6-ce4208368eef/bin-2019/utaipan/witness.graphml [2018-11-23 02:25:39,874 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 02:25:39,874 INFO L168 Benchmark]: Toolchain (without parser) took 24324.19 ms. Allocated memory was 1.0 GB in the beginning and 2.0 GB in the end (delta: 975.2 MB). Free memory was 950.0 MB in the beginning and 994.0 MB in the end (delta: -44.0 MB). Peak memory consumption was 931.2 MB. Max. memory is 11.5 GB. [2018-11-23 02:25:39,875 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 02:25:39,875 INFO L168 Benchmark]: CACSL2BoogieTranslator took 396.93 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 915.1 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-23 02:25:39,875 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.20 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 915.1 MB in the beginning and 1.1 GB in the end (delta: -198.3 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2018-11-23 02:25:39,876 INFO L168 Benchmark]: Boogie Preprocessor took 47.56 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-23 02:25:39,876 INFO L168 Benchmark]: RCFGBuilder took 831.94 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 103.2 MB). Peak memory consumption was 103.2 MB. Max. memory is 11.5 GB. [2018-11-23 02:25:39,876 INFO L168 Benchmark]: TraceAbstraction took 22869.55 ms. Allocated memory was 1.1 GB in the beginning and 2.0 GB in the end (delta: 854.6 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -9.6 MB). Peak memory consumption was 845.0 MB. Max. memory is 11.5 GB. [2018-11-23 02:25:39,876 INFO L168 Benchmark]: Witness Printer took 99.61 ms. Allocated memory is still 2.0 GB. Free memory was 1.0 GB in the beginning and 994.0 MB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. [2018-11-23 02:25:39,878 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 396.93 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 915.1 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 75.20 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 915.1 MB in the beginning and 1.1 GB in the end (delta: -198.3 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.56 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 831.94 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 103.2 MB). Peak memory consumption was 103.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 22869.55 ms. Allocated memory was 1.1 GB in the beginning and 2.0 GB in the end (delta: 854.6 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -9.6 MB). Peak memory consumption was 845.0 MB. Max. memory is 11.5 GB. * Witness Printer took 99.61 ms. Allocated memory is still 2.0 GB. Free memory was 1.0 GB in the beginning and 994.0 MB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 547]: 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) || (a17 <= 7 && !(a28 == 8))) || !(0 == \old(a11))) || (((a28 <= 10 && 8 == a17) && !(a11 == 1)) && !(a28 == 9))) || (((1 == a25 && 9 == a28) && 8 == a17) && 1 == a19)) || !(1 == \old(a19))) || (((1 == a25 && 8 == a17) && 1 == a19) && 10 == a28)) || !(8 == \old(a17))) || (a19 == 1 && (1 == a25 && 8 == a17) && !(a11 == 1))) || (a19 == 1 && (\old(a17) == a17 && a28 <= 10) && !(a11 == 1))) || !(7 == \old(a28))) || (((7 == a28 && !(a25 == 1)) && 8 == a17) && !(1 == a19))) || ((((((!(a25 == 1) && a28 <= 10) && !(a28 == 8)) && !(input == 0)) && !(a28 == 0)) && a17 == 8) && a19 == 1)) || !(0 == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. SAFE Result, 22.8s OverallTime, 11 OverallIterations, 5 TraceHistogramMax, 15.5s AutomataDifference, 0.0s DeadEndRemovalTime, 1.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 1250 SDtfs, 11478 SDslu, 1859 SDs, 0 SdLazy, 15029 SolverSat, 3096 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.9s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 1657 GetRequests, 1475 SyntacticMatches, 10 SemanticMatches, 172 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2345 ImplicationChecksByTransitivity, 3.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3075occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.4s AbstIntTime, 4 AbstIntIterations, 2 AbstIntStrong, 0.9973560354423203 AbsIntWeakeningRatio, 0.17124735729386892 AbsIntAvgWeakeningVarsNumRemoved, 25.76955602536998 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 765 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 120 PreInvPairs, 212 NumberOfFragments, 675 HoareAnnotationTreeSize, 120 FomulaSimplifications, 11973 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 7646 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 2470 NumberOfCodeBlocks, 2470 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2932 ConstructedInterpolants, 0 QuantifiedInterpolants, 2806504 SizeOfPredicates, 2 NumberOfNonLiveVariables, 1085 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 15 InterpolantComputations, 7 PerfectInterpolantSequences, 1464/1547 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...