./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label59_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_9a151bde-e677-4f88-bddf-1fbd9568758c/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9a151bde-e677-4f88-bddf-1fbd9568758c/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9a151bde-e677-4f88-bddf-1fbd9568758c/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9a151bde-e677-4f88-bddf-1fbd9568758c/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label59_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9a151bde-e677-4f88-bddf-1fbd9568758c/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9a151bde-e677-4f88-bddf-1fbd9568758c/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 f418d82fd3ea296ff0e64793b35fd062187cf0a9 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 13:15:41,448 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 13:15:41,449 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 13:15:41,455 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 13:15:41,456 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 13:15:41,456 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 13:15:41,457 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 13:15:41,458 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 13:15:41,458 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 13:15:41,459 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 13:15:41,459 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 13:15:41,459 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 13:15:41,460 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 13:15:41,460 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 13:15:41,461 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 13:15:41,461 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 13:15:41,462 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 13:15:41,463 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 13:15:41,464 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 13:15:41,464 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 13:15:41,465 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 13:15:41,465 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 13:15:41,466 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 13:15:41,467 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 13:15:41,467 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 13:15:41,467 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 13:15:41,468 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 13:15:41,468 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 13:15:41,468 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 13:15:41,469 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 13:15:41,469 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 13:15:41,469 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 13:15:41,470 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 13:15:41,470 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 13:15:41,470 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 13:15:41,471 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 13:15:41,471 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9a151bde-e677-4f88-bddf-1fbd9568758c/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 13:15:41,478 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 13:15:41,478 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 13:15:41,478 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 13:15:41,478 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 13:15:41,478 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 13:15:41,479 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 13:15:41,479 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 13:15:41,479 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 13:15:41,479 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 13:15:41,479 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 13:15:41,479 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 13:15:41,479 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 13:15:41,479 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 13:15:41,480 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 13:15:41,480 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 13:15:41,480 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 13:15:41,480 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 13:15:41,480 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 13:15:41,480 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 13:15:41,481 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 13:15:41,481 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 13:15:41,481 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 13:15:41,481 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 13:15:41,481 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 13:15:41,481 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 13:15:41,481 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 13:15:41,481 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 13:15:41,481 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 13:15:41,482 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 13:15:41,482 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 13:15:41,482 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 13:15:41,482 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 13:15:41,482 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 13:15:41,482 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 13:15:41,482 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 13:15:41,482 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 13:15:41,483 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_9a151bde-e677-4f88-bddf-1fbd9568758c/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 -> f418d82fd3ea296ff0e64793b35fd062187cf0a9 [2018-12-09 13:15:41,499 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 13:15:41,505 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 13:15:41,507 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 13:15:41,508 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 13:15:41,508 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 13:15:41,508 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9a151bde-e677-4f88-bddf-1fbd9568758c/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem14_label59_true-unreach-call_false-termination.c [2018-12-09 13:15:41,540 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9a151bde-e677-4f88-bddf-1fbd9568758c/bin-2019/utaipan/data/d6791e54d/88cb51ea3b34468ab4a5ce602b5e229c/FLAG0659fface [2018-12-09 13:15:41,896 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 13:15:41,897 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9a151bde-e677-4f88-bddf-1fbd9568758c/sv-benchmarks/c/eca-rers2012/Problem14_label59_true-unreach-call_false-termination.c [2018-12-09 13:15:41,906 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9a151bde-e677-4f88-bddf-1fbd9568758c/bin-2019/utaipan/data/d6791e54d/88cb51ea3b34468ab4a5ce602b5e229c/FLAG0659fface [2018-12-09 13:15:42,278 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9a151bde-e677-4f88-bddf-1fbd9568758c/bin-2019/utaipan/data/d6791e54d/88cb51ea3b34468ab4a5ce602b5e229c [2018-12-09 13:15:42,284 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 13:15:42,287 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 13:15:42,288 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 13:15:42,288 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 13:15:42,292 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 13:15:42,293 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:15:42" (1/1) ... [2018-12-09 13:15:42,295 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bf0f09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:15:42, skipping insertion in model container [2018-12-09 13:15:42,295 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:15:42" (1/1) ... [2018-12-09 13:15:42,301 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 13:15:42,331 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 13:15:42,530 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 13:15:42,532 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 13:15:42,595 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 13:15:42,653 INFO L195 MainTranslator]: Completed translation [2018-12-09 13:15:42,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:15:42 WrapperNode [2018-12-09 13:15:42,654 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 13:15:42,654 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 13:15:42,654 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 13:15:42,654 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 13:15:42,659 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:15:42" (1/1) ... [2018-12-09 13:15:42,669 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:15:42" (1/1) ... [2018-12-09 13:15:42,674 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 13:15:42,674 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 13:15:42,674 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 13:15:42,674 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 13:15:42,680 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:15:42" (1/1) ... [2018-12-09 13:15:42,680 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:15:42" (1/1) ... [2018-12-09 13:15:42,684 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:15:42" (1/1) ... [2018-12-09 13:15:42,684 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:15:42" (1/1) ... [2018-12-09 13:15:42,700 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:15:42" (1/1) ... [2018-12-09 13:15:42,707 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:15:42" (1/1) ... [2018-12-09 13:15:42,710 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:15:42" (1/1) ... [2018-12-09 13:15:42,714 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 13:15:42,714 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 13:15:42,714 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 13:15:42,714 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 13:15:42,715 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:15:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9a151bde-e677-4f88-bddf-1fbd9568758c/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 13:15:42,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 13:15:42,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 13:15:42,748 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-09 13:15:42,748 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-09 13:15:42,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 13:15:42,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 13:15:42,749 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 13:15:42,749 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 13:15:43,404 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 13:15:43,405 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-09 13:15:43,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:15:43 BoogieIcfgContainer [2018-12-09 13:15:43,405 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 13:15:43,406 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 13:15:43,406 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 13:15:43,408 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 13:15:43,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 01:15:42" (1/3) ... [2018-12-09 13:15:43,409 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5da939b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 01:15:43, skipping insertion in model container [2018-12-09 13:15:43,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:15:42" (2/3) ... [2018-12-09 13:15:43,409 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5da939b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 01:15:43, skipping insertion in model container [2018-12-09 13:15:43,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:15:43" (3/3) ... [2018-12-09 13:15:43,410 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label59_true-unreach-call_false-termination.c [2018-12-09 13:15:43,417 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 13:15:43,422 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 13:15:43,432 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 13:15:43,453 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 13:15:43,453 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 13:15:43,453 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 13:15:43,453 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 13:15:43,454 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 13:15:43,454 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 13:15:43,454 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 13:15:43,454 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 13:15:43,468 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2018-12-09 13:15:43,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-09 13:15:43,473 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 13:15:43,473 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] [2018-12-09 13:15:43,475 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 13:15:43,479 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:15:43,479 INFO L82 PathProgramCache]: Analyzing trace with hash -1317211861, now seen corresponding path program 1 times [2018-12-09 13:15:43,480 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 13:15:43,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:15:43,511 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 13:15:43,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:15:43,512 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 13:15:43,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:15:43,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 13:15:43,643 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 13:15:43,643 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 13:15:43,643 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 13:15:43,646 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 13:15:43,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 13:15:43,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 13:15:43,657 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 3 states. [2018-12-09 13:15:44,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 13:15:44,361 INFO L93 Difference]: Finished difference Result 688 states and 1223 transitions. [2018-12-09 13:15:44,362 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 13:15:44,363 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2018-12-09 13:15:44,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 13:15:44,378 INFO L225 Difference]: With dead ends: 688 [2018-12-09 13:15:44,378 INFO L226 Difference]: Without dead ends: 372 [2018-12-09 13:15:44,383 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 13:15:44,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2018-12-09 13:15:44,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 372. [2018-12-09 13:15:44,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 372 states. [2018-12-09 13:15:44,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 602 transitions. [2018-12-09 13:15:44,424 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 602 transitions. Word has length 46 [2018-12-09 13:15:44,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 13:15:44,425 INFO L480 AbstractCegarLoop]: Abstraction has 372 states and 602 transitions. [2018-12-09 13:15:44,425 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 13:15:44,425 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 602 transitions. [2018-12-09 13:15:44,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-12-09 13:15:44,427 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 13:15:44,428 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 13:15:44,428 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 13:15:44,428 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:15:44,428 INFO L82 PathProgramCache]: Analyzing trace with hash 1317882645, now seen corresponding path program 1 times [2018-12-09 13:15:44,428 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 13:15:44,429 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:15:44,429 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 13:15:44,429 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:15:44,429 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 13:15:44,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:15:44,561 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 13:15:44,561 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 13:15:44,561 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 13:15:44,561 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 13:15:44,562 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 13:15:44,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 13:15:44,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 13:15:44,563 INFO L87 Difference]: Start difference. First operand 372 states and 602 transitions. Second operand 6 states. [2018-12-09 13:15:45,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 13:15:45,181 INFO L93 Difference]: Finished difference Result 936 states and 1525 transitions. [2018-12-09 13:15:45,181 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 13:15:45,181 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 115 [2018-12-09 13:15:45,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 13:15:45,184 INFO L225 Difference]: With dead ends: 936 [2018-12-09 13:15:45,184 INFO L226 Difference]: Without dead ends: 570 [2018-12-09 13:15:45,185 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-09 13:15:45,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2018-12-09 13:15:45,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 564. [2018-12-09 13:15:45,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 564 states. [2018-12-09 13:15:45,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 877 transitions. [2018-12-09 13:15:45,201 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 877 transitions. Word has length 115 [2018-12-09 13:15:45,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 13:15:45,201 INFO L480 AbstractCegarLoop]: Abstraction has 564 states and 877 transitions. [2018-12-09 13:15:45,201 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 13:15:45,201 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 877 transitions. [2018-12-09 13:15:45,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-09 13:15:45,202 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 13:15:45,202 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 13:15:45,202 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 13:15:45,202 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:15:45,202 INFO L82 PathProgramCache]: Analyzing trace with hash -781180306, now seen corresponding path program 1 times [2018-12-09 13:15:45,203 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 13:15:45,203 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:15:45,203 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 13:15:45,203 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:15:45,203 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 13:15:45,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:15:45,268 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 13:15:45,268 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 13:15:45,268 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 13:15:45,269 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 13:15:45,269 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 13:15:45,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 13:15:45,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 13:15:45,269 INFO L87 Difference]: Start difference. First operand 564 states and 877 transitions. Second operand 5 states. [2018-12-09 13:15:45,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 13:15:45,864 INFO L93 Difference]: Finished difference Result 1714 states and 2746 transitions. [2018-12-09 13:15:45,864 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 13:15:45,865 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 116 [2018-12-09 13:15:45,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 13:15:45,869 INFO L225 Difference]: With dead ends: 1714 [2018-12-09 13:15:45,870 INFO L226 Difference]: Without dead ends: 1156 [2018-12-09 13:15:45,871 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-09 13:15:45,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1156 states. [2018-12-09 13:15:45,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1156 to 1136. [2018-12-09 13:15:45,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1136 states. [2018-12-09 13:15:45,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1136 states to 1136 states and 1659 transitions. [2018-12-09 13:15:45,908 INFO L78 Accepts]: Start accepts. Automaton has 1136 states and 1659 transitions. Word has length 116 [2018-12-09 13:15:45,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 13:15:45,908 INFO L480 AbstractCegarLoop]: Abstraction has 1136 states and 1659 transitions. [2018-12-09 13:15:45,909 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 13:15:45,909 INFO L276 IsEmpty]: Start isEmpty. Operand 1136 states and 1659 transitions. [2018-12-09 13:15:45,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-12-09 13:15:45,910 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 13:15:45,911 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 13:15:45,911 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 13:15:45,911 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:15:45,911 INFO L82 PathProgramCache]: Analyzing trace with hash -2108100534, now seen corresponding path program 1 times [2018-12-09 13:15:45,911 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 13:15:45,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:15:45,912 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 13:15:45,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:15:45,913 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 13:15:45,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:15:46,002 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 13:15:46,002 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 13:15:46,002 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 13:15:46,002 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 13:15:46,002 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 13:15:46,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 13:15:46,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 13:15:46,003 INFO L87 Difference]: Start difference. First operand 1136 states and 1659 transitions. Second operand 5 states. [2018-12-09 13:15:46,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 13:15:46,774 INFO L93 Difference]: Finished difference Result 2878 states and 4227 transitions. [2018-12-09 13:15:46,775 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 13:15:46,775 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 118 [2018-12-09 13:15:46,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 13:15:46,781 INFO L225 Difference]: With dead ends: 2878 [2018-12-09 13:15:46,781 INFO L226 Difference]: Without dead ends: 1748 [2018-12-09 13:15:46,782 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-09 13:15:46,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1748 states. [2018-12-09 13:15:46,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1748 to 1520. [2018-12-09 13:15:46,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1520 states. [2018-12-09 13:15:46,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1520 states to 1520 states and 2133 transitions. [2018-12-09 13:15:46,812 INFO L78 Accepts]: Start accepts. Automaton has 1520 states and 2133 transitions. Word has length 118 [2018-12-09 13:15:46,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 13:15:46,812 INFO L480 AbstractCegarLoop]: Abstraction has 1520 states and 2133 transitions. [2018-12-09 13:15:46,812 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 13:15:46,813 INFO L276 IsEmpty]: Start isEmpty. Operand 1520 states and 2133 transitions. [2018-12-09 13:15:46,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-12-09 13:15:46,814 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 13:15:46,814 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 13:15:46,814 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 13:15:46,815 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:15:46,815 INFO L82 PathProgramCache]: Analyzing trace with hash 976098381, now seen corresponding path program 1 times [2018-12-09 13:15:46,815 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 13:15:46,815 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:15:46,816 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 13:15:46,816 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:15:46,816 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 13:15:46,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:15:46,863 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 13:15:46,863 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 13:15:46,863 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 13:15:46,863 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 13:15:46,864 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 13:15:46,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 13:15:46,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 13:15:46,864 INFO L87 Difference]: Start difference. First operand 1520 states and 2133 transitions. Second operand 3 states. [2018-12-09 13:15:47,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 13:15:47,214 INFO L93 Difference]: Finished difference Result 3954 states and 5484 transitions. [2018-12-09 13:15:47,214 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 13:15:47,214 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 119 [2018-12-09 13:15:47,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 13:15:47,219 INFO L225 Difference]: With dead ends: 3954 [2018-12-09 13:15:47,219 INFO L226 Difference]: Without dead ends: 2440 [2018-12-09 13:15:47,222 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 13:15:47,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2440 states. [2018-12-09 13:15:47,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2440 to 1702. [2018-12-09 13:15:47,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1702 states. [2018-12-09 13:15:47,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1702 states to 1702 states and 2327 transitions. [2018-12-09 13:15:47,247 INFO L78 Accepts]: Start accepts. Automaton has 1702 states and 2327 transitions. Word has length 119 [2018-12-09 13:15:47,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 13:15:47,247 INFO L480 AbstractCegarLoop]: Abstraction has 1702 states and 2327 transitions. [2018-12-09 13:15:47,247 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 13:15:47,247 INFO L276 IsEmpty]: Start isEmpty. Operand 1702 states and 2327 transitions. [2018-12-09 13:15:47,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-09 13:15:47,248 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 13:15:47,248 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 13:15:47,248 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 13:15:47,248 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:15:47,249 INFO L82 PathProgramCache]: Analyzing trace with hash -1587948799, now seen corresponding path program 1 times [2018-12-09 13:15:47,249 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 13:15:47,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:15:47,249 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 13:15:47,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:15:47,249 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 13:15:47,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:15:47,285 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 13:15:47,285 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 13:15:47,285 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 13:15:47,285 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 13:15:47,285 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 13:15:47,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 13:15:47,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 13:15:47,285 INFO L87 Difference]: Start difference. First operand 1702 states and 2327 transitions. Second operand 3 states. [2018-12-09 13:15:47,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 13:15:47,661 INFO L93 Difference]: Finished difference Result 3948 states and 5412 transitions. [2018-12-09 13:15:47,662 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 13:15:47,662 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 141 [2018-12-09 13:15:47,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 13:15:47,665 INFO L225 Difference]: With dead ends: 3948 [2018-12-09 13:15:47,665 INFO L226 Difference]: Without dead ends: 1512 [2018-12-09 13:15:47,668 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 13:15:47,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1512 states. [2018-12-09 13:15:47,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1512 to 1510. [2018-12-09 13:15:47,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1510 states. [2018-12-09 13:15:47,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1510 states to 1510 states and 2062 transitions. [2018-12-09 13:15:47,692 INFO L78 Accepts]: Start accepts. Automaton has 1510 states and 2062 transitions. Word has length 141 [2018-12-09 13:15:47,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 13:15:47,692 INFO L480 AbstractCegarLoop]: Abstraction has 1510 states and 2062 transitions. [2018-12-09 13:15:47,692 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 13:15:47,693 INFO L276 IsEmpty]: Start isEmpty. Operand 1510 states and 2062 transitions. [2018-12-09 13:15:47,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-12-09 13:15:47,695 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 13:15:47,695 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-09 13:15:47,695 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 13:15:47,696 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:15:47,696 INFO L82 PathProgramCache]: Analyzing trace with hash -327447627, now seen corresponding path program 1 times [2018-12-09 13:15:47,696 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 13:15:47,696 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:15:47,696 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 13:15:47,696 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:15:47,696 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 13:15:47,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:15:47,781 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-12-09 13:15:47,782 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 13:15:47,782 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 13:15:47,782 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 13:15:47,782 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 13:15:47,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 13:15:47,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 13:15:47,783 INFO L87 Difference]: Start difference. First operand 1510 states and 2062 transitions. Second operand 3 states. [2018-12-09 13:15:48,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 13:15:48,178 INFO L93 Difference]: Finished difference Result 3378 states and 4664 transitions. [2018-12-09 13:15:48,178 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 13:15:48,178 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 232 [2018-12-09 13:15:48,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 13:15:48,182 INFO L225 Difference]: With dead ends: 3378 [2018-12-09 13:15:48,182 INFO L226 Difference]: Without dead ends: 1504 [2018-12-09 13:15:48,184 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 13:15:48,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1504 states. [2018-12-09 13:15:48,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1504 to 1504. [2018-12-09 13:15:48,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1504 states. [2018-12-09 13:15:48,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1504 states to 1504 states and 2023 transitions. [2018-12-09 13:15:48,201 INFO L78 Accepts]: Start accepts. Automaton has 1504 states and 2023 transitions. Word has length 232 [2018-12-09 13:15:48,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 13:15:48,201 INFO L480 AbstractCegarLoop]: Abstraction has 1504 states and 2023 transitions. [2018-12-09 13:15:48,201 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 13:15:48,201 INFO L276 IsEmpty]: Start isEmpty. Operand 1504 states and 2023 transitions. [2018-12-09 13:15:48,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2018-12-09 13:15:48,204 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 13:15:48,204 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-09 13:15:48,204 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 13:15:48,204 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:15:48,204 INFO L82 PathProgramCache]: Analyzing trace with hash -2108652910, now seen corresponding path program 1 times [2018-12-09 13:15:48,204 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 13:15:48,205 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:15:48,205 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 13:15:48,205 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:15:48,205 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 13:15:48,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:15:48,780 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 188 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 13:15:48,780 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 13:15:48,780 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 13:15:48,781 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 286 with the following transitions: [2018-12-09 13:15:48,782 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [277], [279], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [666], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [726], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-09 13:15:48,807 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 13:15:48,808 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 13:15:50,638 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 13:15:50,639 INFO L272 AbstractInterpreter]: Visited 132 different actions 132 times. Never merged. Never widened. Performed 1239 root evaluator evaluations with a maximum evaluation depth of 22. Performed 1239 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Never found a fixpoint. Largest state had 24 variables. [2018-12-09 13:15:50,655 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:15:50,655 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 13:15:52,455 INFO L227 lantSequenceWeakener]: Weakened 276 states. On average, predicates are now at 77.74% of their original sizes. [2018-12-09 13:15:52,455 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 13:15:52,478 INFO L418 sIntCurrentIteration]: We unified 284 AI predicates to 284 [2018-12-09 13:15:52,478 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 13:15:52,479 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 13:15:52,479 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 15 [2018-12-09 13:15:52,479 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 13:15:52,480 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 13:15:52,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 13:15:52,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 13:15:52,480 INFO L87 Difference]: Start difference. First operand 1504 states and 2023 transitions. Second operand 6 states. [2018-12-09 13:15:58,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 13:15:58,323 INFO L93 Difference]: Finished difference Result 3003 states and 4043 transitions. [2018-12-09 13:15:58,323 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 13:15:58,323 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 285 [2018-12-09 13:15:58,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 13:15:58,327 INFO L225 Difference]: With dead ends: 3003 [2018-12-09 13:15:58,327 INFO L226 Difference]: Without dead ends: 1687 [2018-12-09 13:15:58,329 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 285 GetRequests, 280 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-09 13:15:58,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1687 states. [2018-12-09 13:15:58,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1687 to 1686. [2018-12-09 13:15:58,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1686 states. [2018-12-09 13:15:58,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1686 states to 1686 states and 2213 transitions. [2018-12-09 13:15:58,358 INFO L78 Accepts]: Start accepts. Automaton has 1686 states and 2213 transitions. Word has length 285 [2018-12-09 13:15:58,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 13:15:58,358 INFO L480 AbstractCegarLoop]: Abstraction has 1686 states and 2213 transitions. [2018-12-09 13:15:58,358 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 13:15:58,358 INFO L276 IsEmpty]: Start isEmpty. Operand 1686 states and 2213 transitions. [2018-12-09 13:15:58,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2018-12-09 13:15:58,362 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 13:15:58,362 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 13:15:58,362 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 13:15:58,362 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:15:58,362 INFO L82 PathProgramCache]: Analyzing trace with hash -1073396373, now seen corresponding path program 1 times [2018-12-09 13:15:58,362 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 13:15:58,363 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:15:58,363 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 13:15:58,363 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:15:58,363 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 13:15:58,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:15:58,738 INFO L134 CoverageAnalysis]: Checked inductivity of 397 backedges. 203 proven. 190 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 13:15:58,738 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 13:15:58,738 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 13:15:58,738 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 370 with the following transitions: [2018-12-09 13:15:58,739 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [277], [279], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [554], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [666], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [726], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-09 13:15:58,741 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 13:15:58,741 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 13:16:01,735 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 13:16:01,735 INFO L272 AbstractInterpreter]: Visited 137 different actions 266 times. Merged at 3 different actions 3 times. Never widened. Performed 2555 root evaluator evaluations with a maximum evaluation depth of 22. Performed 2555 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-09 13:16:01,737 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:16:01,737 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 13:16:01,737 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 13:16:01,737 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9a151bde-e677-4f88-bddf-1fbd9568758c/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 13:16:01,744 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 13:16:01,744 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 13:16:01,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:16:01,813 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 13:16:01,915 INFO L134 CoverageAnalysis]: Checked inductivity of 397 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2018-12-09 13:16:01,915 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 13:16:01,993 INFO L134 CoverageAnalysis]: Checked inductivity of 397 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2018-12-09 13:16:02,008 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-09 13:16:02,009 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [12] total 14 [2018-12-09 13:16:02,009 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 13:16:02,009 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 13:16:02,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 13:16:02,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2018-12-09 13:16:02,010 INFO L87 Difference]: Start difference. First operand 1686 states and 2213 transitions. Second operand 3 states. [2018-12-09 13:16:02,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 13:16:02,481 INFO L93 Difference]: Finished difference Result 3740 states and 5065 transitions. [2018-12-09 13:16:02,481 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 13:16:02,481 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 369 [2018-12-09 13:16:02,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 13:16:02,481 INFO L225 Difference]: With dead ends: 3740 [2018-12-09 13:16:02,481 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 13:16:02,485 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 750 GetRequests, 738 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2018-12-09 13:16:02,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 13:16:02,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 13:16:02,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 13:16:02,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 13:16:02,485 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 369 [2018-12-09 13:16:02,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 13:16:02,486 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 13:16:02,486 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 13:16:02,486 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 13:16:02,486 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 13:16:02,489 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 13:16:02,509 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:16:02,512 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 13:16:02,723 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 48 [2018-12-09 13:16:02,784 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 13:16:02,784 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= |old(~a21~0)| ~a21~0) (= |old(~a15~0)| ~a15~0)) [2018-12-09 13:16:02,784 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 13:16:02,784 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 124) no Hoare annotation was computed. [2018-12-09 13:16:02,784 INFO L448 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2018-12-09 13:16:02,784 INFO L448 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2018-12-09 13:16:02,784 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 13:16:02,784 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 13:16:02,784 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 13:16:02,784 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2018-12-09 13:16:02,784 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-12-09 13:16:02,784 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-12-09 13:16:02,784 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-12-09 13:16:02,784 INFO L448 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2018-12-09 13:16:02,784 INFO L448 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2018-12-09 13:16:02,784 INFO L448 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2018-12-09 13:16:02,784 INFO L448 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2018-12-09 13:16:02,785 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 13:16:02,785 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 13:16:02,785 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 13:16:02,785 INFO L448 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2018-12-09 13:16:02,785 INFO L448 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2018-12-09 13:16:02,785 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-12-09 13:16:02,785 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-12-09 13:16:02,785 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-12-09 13:16:02,785 INFO L448 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2018-12-09 13:16:02,785 INFO L448 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2018-12-09 13:16:02,785 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2018-12-09 13:16:02,785 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 13:16:02,785 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 13:16:02,785 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 13:16:02,785 INFO L448 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2018-12-09 13:16:02,785 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-12-09 13:16:02,785 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-12-09 13:16:02,785 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-12-09 13:16:02,785 INFO L448 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2018-12-09 13:16:02,785 INFO L448 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2018-12-09 13:16:02,785 INFO L448 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2018-12-09 13:16:02,785 INFO L448 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2018-12-09 13:16:02,785 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2018-12-09 13:16:02,786 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 13:16:02,786 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 13:16:02,786 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 13:16:02,786 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2018-12-09 13:16:02,786 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-12-09 13:16:02,786 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-12-09 13:16:02,786 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-12-09 13:16:02,786 INFO L448 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2018-12-09 13:16:02,786 INFO L448 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2018-12-09 13:16:02,786 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2018-12-09 13:16:02,786 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 13:16:02,786 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 13:16:02,786 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 13:16:02,786 INFO L448 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2018-12-09 13:16:02,786 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-12-09 13:16:02,786 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-12-09 13:16:02,786 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-12-09 13:16:02,786 INFO L448 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2018-12-09 13:16:02,786 INFO L448 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2018-12-09 13:16:02,786 INFO L448 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2018-12-09 13:16:02,786 INFO L448 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2018-12-09 13:16:02,786 INFO L448 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2018-12-09 13:16:02,786 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 13:16:02,786 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 13:16:02,787 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 13:16:02,787 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2018-12-09 13:16:02,787 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2018-12-09 13:16:02,787 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-12-09 13:16:02,787 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-12-09 13:16:02,787 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-12-09 13:16:02,787 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2018-12-09 13:16:02,787 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2018-12-09 13:16:02,787 INFO L448 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2018-12-09 13:16:02,787 INFO L448 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2018-12-09 13:16:02,787 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 13:16:02,787 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 13:16:02,787 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 13:16:02,787 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-12-09 13:16:02,787 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-12-09 13:16:02,787 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-12-09 13:16:02,787 INFO L448 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2018-12-09 13:16:02,787 INFO L448 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2018-12-09 13:16:02,787 INFO L448 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2018-12-09 13:16:02,787 INFO L448 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2018-12-09 13:16:02,787 INFO L448 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2018-12-09 13:16:02,787 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 13:16:02,787 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 13:16:02,787 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 13:16:02,787 INFO L448 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2018-12-09 13:16:02,788 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2018-12-09 13:16:02,788 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-12-09 13:16:02,788 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-12-09 13:16:02,788 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-12-09 13:16:02,788 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2018-12-09 13:16:02,788 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse0 (and (= ~a12~0 |old(~a12~0)|) (= |old(~a21~0)| ~a21~0) (= |old(~a15~0)| ~a15~0)))) (and (or (= 6 |old(~a21~0)|) .cse0) (or .cse0 (not (= 5 |old(~a15~0)|))) (or .cse0 (not (= 7 |old(~a15~0)|))) (or .cse0 (< |old(~a12~0)| 95374)) (or (not (= 6 |old(~a15~0)|)) .cse0) (or (not (= 7 |old(~a21~0)|)) (= ~a24~0 1) (not (= 1 |old(~a24~0)|)) (not (= 8 |old(~a15~0)|)) (not (= 0 (+ |old(~a12~0)| 49))) (= |calculate_output_#in~input| 0)))) [2018-12-09 13:16:02,788 INFO L448 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2018-12-09 13:16:02,788 INFO L448 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2018-12-09 13:16:02,788 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 13:16:02,788 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 13:16:02,788 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 13:16:02,788 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-12-09 13:16:02,788 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-12-09 13:16:02,788 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-12-09 13:16:02,788 INFO L448 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2018-12-09 13:16:02,788 INFO L448 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2018-12-09 13:16:02,788 INFO L448 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2018-12-09 13:16:02,788 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2018-12-09 13:16:02,788 INFO L448 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2018-12-09 13:16:02,788 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 13:16:02,788 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 13:16:02,788 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 13:16:02,789 INFO L448 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2018-12-09 13:16:02,789 INFO L448 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2018-12-09 13:16:02,789 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-12-09 13:16:02,789 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-09 13:16:02,789 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-12-09 13:16:02,789 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2018-12-09 13:16:02,789 INFO L448 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2018-12-09 13:16:02,789 INFO L448 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2018-12-09 13:16:02,789 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 13:16:02,789 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 13:16:02,789 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 13:16:02,789 INFO L448 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2018-12-09 13:16:02,789 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-12-09 13:16:02,789 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-12-09 13:16:02,789 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-12-09 13:16:02,789 INFO L448 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2018-12-09 13:16:02,789 INFO L448 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2018-12-09 13:16:02,789 INFO L448 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2018-12-09 13:16:02,789 INFO L448 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2018-12-09 13:16:02,789 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 13:16:02,789 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 13:16:02,789 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 13:16:02,789 INFO L448 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2018-12-09 13:16:02,789 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-12-09 13:16:02,789 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-12-09 13:16:02,789 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-12-09 13:16:02,790 INFO L448 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2018-12-09 13:16:02,790 INFO L448 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2018-12-09 13:16:02,790 INFO L448 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2018-12-09 13:16:02,790 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2018-12-09 13:16:02,790 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 13:16:02,790 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 13:16:02,790 INFO L448 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2018-12-09 13:16:02,790 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-09 13:16:02,790 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-12-09 13:16:02,790 INFO L448 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2018-12-09 13:16:02,790 INFO L448 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2018-12-09 13:16:02,790 INFO L448 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2018-12-09 13:16:02,790 INFO L448 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2018-12-09 13:16:02,790 INFO L448 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2018-12-09 13:16:02,790 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 13:16:02,790 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 13:16:02,790 INFO L448 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2018-12-09 13:16:02,790 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-12-09 13:16:02,790 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-12-09 13:16:02,790 INFO L448 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2018-12-09 13:16:02,790 INFO L448 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2018-12-09 13:16:02,790 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2018-12-09 13:16:02,790 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 13:16:02,790 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 13:16:02,790 INFO L448 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2018-12-09 13:16:02,791 INFO L448 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2018-12-09 13:16:02,791 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-12-09 13:16:02,791 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-12-09 13:16:02,791 INFO L448 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2018-12-09 13:16:02,791 INFO L448 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2018-12-09 13:16:02,791 INFO L448 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2018-12-09 13:16:02,791 INFO L448 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2018-12-09 13:16:02,791 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 13:16:02,791 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 13:16:02,791 INFO L448 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2018-12-09 13:16:02,791 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2018-12-09 13:16:02,791 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-12-09 13:16:02,791 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-12-09 13:16:02,791 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2018-12-09 13:16:02,791 INFO L448 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2018-12-09 13:16:02,791 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2018-12-09 13:16:02,791 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 13:16:02,791 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 13:16:02,791 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2018-12-09 13:16:02,791 INFO L448 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2018-12-09 13:16:02,791 INFO L448 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2018-12-09 13:16:02,791 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-12-09 13:16:02,791 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-12-09 13:16:02,791 INFO L448 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2018-12-09 13:16:02,791 INFO L448 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2018-12-09 13:16:02,791 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 13:16:02,792 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 13:16:02,792 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-12-09 13:16:02,792 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2018-12-09 13:16:02,792 INFO L448 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2018-12-09 13:16:02,792 INFO L448 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2018-12-09 13:16:02,792 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2018-12-09 13:16:02,792 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-09 13:16:02,792 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-12-09 13:16:02,792 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-12-09 13:16:02,792 INFO L448 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2018-12-09 13:16:02,792 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2018-12-09 13:16:02,792 INFO L448 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2018-12-09 13:16:02,792 INFO L448 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2018-12-09 13:16:02,792 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 13:16:02,792 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 13:16:02,792 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 13:16:02,792 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2018-12-09 13:16:02,792 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-12-09 13:16:02,792 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-12-09 13:16:02,792 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-12-09 13:16:02,792 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2018-12-09 13:16:02,792 INFO L448 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2018-12-09 13:16:02,792 INFO L448 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2018-12-09 13:16:02,792 INFO L448 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2018-12-09 13:16:02,792 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 13:16:02,792 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 13:16:02,792 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 13:16:02,793 INFO L448 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2018-12-09 13:16:02,793 INFO L448 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2018-12-09 13:16:02,793 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-12-09 13:16:02,793 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-12-09 13:16:02,793 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-12-09 13:16:02,793 INFO L448 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2018-12-09 13:16:02,793 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2018-12-09 13:16:02,793 INFO L448 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2018-12-09 13:16:02,793 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 13:16:02,793 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 13:16:02,793 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 13:16:02,793 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2018-12-09 13:16:02,793 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-12-09 13:16:02,793 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-12-09 13:16:02,793 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-12-09 13:16:02,793 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2018-12-09 13:16:02,793 INFO L448 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2018-12-09 13:16:02,793 INFO L448 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2018-12-09 13:16:02,793 INFO L448 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2018-12-09 13:16:02,793 INFO L448 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2018-12-09 13:16:02,793 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 13:16:02,793 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 13:16:02,793 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2018-12-09 13:16:02,793 INFO L448 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2018-12-09 13:16:02,793 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-12-09 13:16:02,793 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-12-09 13:16:02,794 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-12-09 13:16:02,794 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2018-12-09 13:16:02,794 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 13:16:02,794 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a15~0 8) (= (+ ~a12~0 49) 0) (= ~a24~0 1) (= ~a21~0 7)) [2018-12-09 13:16:02,794 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 13:16:02,794 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 13:16:02,794 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (not (= 7 |old(~a21~0)|)) (not (= 1 |old(~a24~0)|)) (not (= 8 |old(~a15~0)|)) (not (= 0 (+ |old(~a12~0)| 49))) (and (= (+ ~a12~0 49) 0) (= ~a24~0 1) (= ~a21~0 7) (= |old(~a15~0)| ~a15~0))) [2018-12-09 13:16:02,794 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2018-12-09 13:16:02,794 INFO L444 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (or (= 5 ~a15~0) (not (= ~a21~0 6)) (<= 95374 ~a12~0) (not (= 8 |old(~a15~0)|)) (= 7 ~a15~0) (not (= 7 |old(~a21~0)|)) (not (= 1 |old(~a24~0)|)) (not (= 0 (+ |old(~a12~0)| 49))) (= 6 ~a15~0)) [2018-12-09 13:16:02,794 INFO L448 ceAbstractionStarter]: For program point L888-1(line 888) no Hoare annotation was computed. [2018-12-09 13:16:02,794 INFO L448 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2018-12-09 13:16:02,794 INFO L444 ceAbstractionStarter]: At program point L880-2(lines 880 889) the Hoare annotation is: (or (= 5 ~a15~0) (not (= ~a21~0 6)) (<= 95374 ~a12~0) (not (= 8 |old(~a15~0)|)) (= 7 ~a15~0) (not (= 7 |old(~a21~0)|)) (not (= 1 |old(~a24~0)|)) (not (= 0 (+ |old(~a12~0)| 49))) (= 6 ~a15~0)) [2018-12-09 13:16:02,794 INFO L448 ceAbstractionStarter]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2018-12-09 13:16:02,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 01:16:02 BoogieIcfgContainer [2018-12-09 13:16:02,800 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 13:16:02,800 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 13:16:02,800 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 13:16:02,800 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 13:16:02,801 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:15:43" (3/4) ... [2018-12-09 13:16:02,803 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 13:16:02,806 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 13:16:02,806 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-09 13:16:02,806 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 13:16:02,814 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-09 13:16:02,815 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 13:16:02,832 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((5 == a15 || !(a21 == 6)) || 95374 <= a12) || !(8 == \old(a15))) || 7 == a15) || !(7 == \old(a21))) || !(1 == \old(a24))) || !(0 == \old(a12) + 49)) || 6 == a15 [2018-12-09 13:16:02,888 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_9a151bde-e677-4f88-bddf-1fbd9568758c/bin-2019/utaipan/witness.graphml [2018-12-09 13:16:02,888 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 13:16:02,889 INFO L168 Benchmark]: Toolchain (without parser) took 20603.54 ms. Allocated memory was 1.0 GB in the beginning and 3.1 GB in the end (delta: 2.1 GB). Free memory was 940.6 MB in the beginning and 1.3 GB in the end (delta: -355.5 MB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. [2018-12-09 13:16:02,889 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 13:16:02,889 INFO L168 Benchmark]: CACSL2BoogieTranslator took 366.08 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 88.6 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -134.4 MB). Peak memory consumption was 54.2 MB. Max. memory is 11.5 GB. [2018-12-09 13:16:02,889 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.78 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: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2018-12-09 13:16:02,889 INFO L168 Benchmark]: Boogie Preprocessor took 39.83 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: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2018-12-09 13:16:02,889 INFO L168 Benchmark]: RCFGBuilder took 691.16 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 940.3 MB in the end (delta: 120.5 MB). Peak memory consumption was 120.5 MB. Max. memory is 11.5 GB. [2018-12-09 13:16:02,890 INFO L168 Benchmark]: TraceAbstraction took 19394.17 ms. Allocated memory was 1.1 GB in the beginning and 3.1 GB in the end (delta: 2.0 GB). Free memory was 940.3 MB in the beginning and 1.3 GB in the end (delta: -355.8 MB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. [2018-12-09 13:16:02,890 INFO L168 Benchmark]: Witness Printer took 87.85 ms. Allocated memory is still 3.1 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 13:16:02,891 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 366.08 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 88.6 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -134.4 MB). Peak memory consumption was 54.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.78 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: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.83 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: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 691.16 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 940.3 MB in the end (delta: 120.5 MB). Peak memory consumption was 120.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 19394.17 ms. Allocated memory was 1.1 GB in the beginning and 3.1 GB in the end (delta: 2.0 GB). Free memory was 940.3 MB in the beginning and 1.3 GB in the end (delta: -355.8 MB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. * Witness Printer took 87.85 ms. Allocated memory is still 3.1 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 124]: 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: 880]: Loop Invariant Derived loop invariant: (((((((5 == a15 || !(a21 == 6)) || 95374 <= a12) || !(8 == \old(a15))) || 7 == a15) || !(7 == \old(a21))) || !(1 == \old(a24))) || !(0 == \old(a12) + 49)) || 6 == a15 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. SAFE Result, 19.3s OverallTime, 9 OverallIterations, 4 TraceHistogramMax, 10.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 1404 SDtfs, 2561 SDslu, 199 SDs, 0 SdLazy, 5203 SolverSat, 1137 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.1s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 1080 GetRequests, 1036 SyntacticMatches, 4 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1702occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 4.8s AbstIntTime, 2 AbstIntIterations, 1 AbstIntStrong, 0.9980176513627219 AbsIntWeakeningRatio, 0.09154929577464789 AbsIntAvgWeakeningVarsNumRemoved, 16.514084507042252 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 995 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 76 PreInvPairs, 116 NumberOfFragments, 230 HoareAnnotationTreeSize, 76 FomulaSimplifications, 3369 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1043 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1910 NumberOfCodeBlocks, 1910 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2268 ConstructedInterpolants, 0 QuantifiedInterpolants, 3412712 SizeOfPredicates, 3 NumberOfNonLiveVariables, 589 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 1536/1728 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...