./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label41_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_884a9c49-77ad-44ce-910a-e38da51107e9/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_884a9c49-77ad-44ce-910a-e38da51107e9/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_884a9c49-77ad-44ce-910a-e38da51107e9/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_884a9c49-77ad-44ce-910a-e38da51107e9/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label41_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_884a9c49-77ad-44ce-910a-e38da51107e9/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_884a9c49-77ad-44ce-910a-e38da51107e9/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 43cbcba3b52a19a4f3b50b9a2bc823d03105b297 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 18:55:33,492 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 18:55:33,492 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 18:55:33,498 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 18:55:33,499 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 18:55:33,499 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 18:55:33,500 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 18:55:33,501 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 18:55:33,502 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 18:55:33,502 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 18:55:33,503 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 18:55:33,503 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 18:55:33,503 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 18:55:33,504 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 18:55:33,504 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 18:55:33,505 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 18:55:33,505 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 18:55:33,506 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 18:55:33,507 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 18:55:33,508 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 18:55:33,508 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 18:55:33,509 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 18:55:33,510 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 18:55:33,510 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 18:55:33,511 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 18:55:33,511 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 18:55:33,512 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 18:55:33,512 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 18:55:33,513 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 18:55:33,513 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 18:55:33,513 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 18:55:33,514 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 18:55:33,514 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 18:55:33,514 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 18:55:33,514 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 18:55:33,515 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 18:55:33,515 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_884a9c49-77ad-44ce-910a-e38da51107e9/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 18:55:33,522 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 18:55:33,522 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 18:55:33,523 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 18:55:33,523 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 18:55:33,523 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 18:55:33,523 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 18:55:33,523 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 18:55:33,524 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 18:55:33,524 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 18:55:33,524 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 18:55:33,524 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 18:55:33,524 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 18:55:33,524 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 18:55:33,525 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 18:55:33,525 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 18:55:33,525 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 18:55:33,525 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 18:55:33,525 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 18:55:33,525 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 18:55:33,525 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 18:55:33,525 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 18:55:33,525 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 18:55:33,526 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 18:55:33,526 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 18:55:33,526 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 18:55:33,526 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 18:55:33,526 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 18:55:33,526 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 18:55:33,526 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 18:55:33,526 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 18:55:33,526 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 18:55:33,527 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 18:55:33,527 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 18:55:33,527 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 18:55:33,527 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 18:55:33,527 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 18:55:33,527 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_884a9c49-77ad-44ce-910a-e38da51107e9/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 -> 43cbcba3b52a19a4f3b50b9a2bc823d03105b297 [2018-12-09 18:55:33,545 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 18:55:33,551 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 18:55:33,553 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 18:55:33,554 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 18:55:33,554 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 18:55:33,555 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_884a9c49-77ad-44ce-910a-e38da51107e9/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label41_true-unreach-call_false-termination.c [2018-12-09 18:55:33,592 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_884a9c49-77ad-44ce-910a-e38da51107e9/bin-2019/utaipan/data/ab7aa60e0/c6399a02be8846cb863d26c9b7221edb/FLAG6647cc881 [2018-12-09 18:55:33,953 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 18:55:33,954 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_884a9c49-77ad-44ce-910a-e38da51107e9/sv-benchmarks/c/eca-rers2012/Problem02_label41_true-unreach-call_false-termination.c [2018-12-09 18:55:33,960 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_884a9c49-77ad-44ce-910a-e38da51107e9/bin-2019/utaipan/data/ab7aa60e0/c6399a02be8846cb863d26c9b7221edb/FLAG6647cc881 [2018-12-09 18:55:33,968 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_884a9c49-77ad-44ce-910a-e38da51107e9/bin-2019/utaipan/data/ab7aa60e0/c6399a02be8846cb863d26c9b7221edb [2018-12-09 18:55:33,970 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 18:55:33,971 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 18:55:33,971 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 18:55:33,971 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 18:55:33,973 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 18:55:33,974 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:55:33" (1/1) ... [2018-12-09 18:55:33,975 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ba821c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:55:33, skipping insertion in model container [2018-12-09 18:55:33,975 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:55:33" (1/1) ... [2018-12-09 18:55:33,979 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 18:55:34,004 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 18:55:34,176 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 18:55:34,179 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 18:55:34,276 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 18:55:34,286 INFO L195 MainTranslator]: Completed translation [2018-12-09 18:55:34,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:55:34 WrapperNode [2018-12-09 18:55:34,286 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 18:55:34,286 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 18:55:34,287 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 18:55:34,287 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 18:55:34,292 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:55:34" (1/1) ... [2018-12-09 18:55:34,300 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:55:34" (1/1) ... [2018-12-09 18:55:34,305 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 18:55:34,305 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 18:55:34,305 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 18:55:34,305 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 18:55:34,311 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:55:34" (1/1) ... [2018-12-09 18:55:34,311 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:55:34" (1/1) ... [2018-12-09 18:55:34,314 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:55:34" (1/1) ... [2018-12-09 18:55:34,314 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:55:34" (1/1) ... [2018-12-09 18:55:34,329 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:55:34" (1/1) ... [2018-12-09 18:55:34,337 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:55:34" (1/1) ... [2018-12-09 18:55:34,340 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:55:34" (1/1) ... [2018-12-09 18:55:34,343 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 18:55:34,343 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 18:55:34,343 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 18:55:34,343 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 18:55:34,344 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:55:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_884a9c49-77ad-44ce-910a-e38da51107e9/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 18:55:34,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 18:55:34,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 18:55:34,377 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-09 18:55:34,377 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-09 18:55:34,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 18:55:34,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 18:55:34,377 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 18:55:34,377 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 18:55:34,931 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 18:55:34,932 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-09 18:55:34,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:55:34 BoogieIcfgContainer [2018-12-09 18:55:34,932 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 18:55:34,933 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 18:55:34,933 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 18:55:34,935 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 18:55:34,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 06:55:33" (1/3) ... [2018-12-09 18:55:34,936 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e380580 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:55:34, skipping insertion in model container [2018-12-09 18:55:34,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:55:34" (2/3) ... [2018-12-09 18:55:34,937 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e380580 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:55:34, skipping insertion in model container [2018-12-09 18:55:34,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:55:34" (3/3) ... [2018-12-09 18:55:34,938 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label41_true-unreach-call_false-termination.c [2018-12-09 18:55:34,946 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 18:55:34,952 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 18:55:34,964 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 18:55:34,991 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 18:55:34,991 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 18:55:34,991 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 18:55:34,991 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 18:55:34,991 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 18:55:34,991 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 18:55:34,991 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 18:55:34,992 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 18:55:35,006 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2018-12-09 18:55:35,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-12-09 18:55:35,012 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:55:35,013 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:55:35,014 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:55:35,017 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:55:35,017 INFO L82 PathProgramCache]: Analyzing trace with hash -1961179338, now seen corresponding path program 1 times [2018-12-09 18:55:35,019 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:55:35,048 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:55:35,048 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:55:35,048 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:55:35,048 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:55:35,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:55:35,238 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 18:55:35,240 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:55:35,240 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 18:55:35,241 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:55:35,245 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 18:55:35,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 18:55:35,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 18:55:35,259 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2018-12-09 18:55:35,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:55:35,725 INFO L93 Difference]: Finished difference Result 623 states and 1065 transitions. [2018-12-09 18:55:35,726 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 18:55:35,726 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 96 [2018-12-09 18:55:35,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:55:35,735 INFO L225 Difference]: With dead ends: 623 [2018-12-09 18:55:35,735 INFO L226 Difference]: Without dead ends: 325 [2018-12-09 18:55:35,738 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 18:55:35,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2018-12-09 18:55:35,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 321. [2018-12-09 18:55:35,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 321 states. [2018-12-09 18:55:35,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 473 transitions. [2018-12-09 18:55:35,777 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 473 transitions. Word has length 96 [2018-12-09 18:55:35,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:55:35,778 INFO L480 AbstractCegarLoop]: Abstraction has 321 states and 473 transitions. [2018-12-09 18:55:35,778 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 18:55:35,778 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 473 transitions. [2018-12-09 18:55:35,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-09 18:55:35,781 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:55:35,781 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:55:35,781 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:55:35,781 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:55:35,781 INFO L82 PathProgramCache]: Analyzing trace with hash -1039549381, now seen corresponding path program 1 times [2018-12-09 18:55:35,781 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:55:35,782 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:55:35,782 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:55:35,782 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:55:35,782 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:55:35,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:55:35,856 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:55:35,856 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:55:35,856 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 18:55:35,857 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:55:35,858 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 18:55:35,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 18:55:35,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 18:55:35,858 INFO L87 Difference]: Start difference. First operand 321 states and 473 transitions. Second operand 6 states. [2018-12-09 18:55:36,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:55:36,285 INFO L93 Difference]: Finished difference Result 955 states and 1447 transitions. [2018-12-09 18:55:36,285 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 18:55:36,285 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 116 [2018-12-09 18:55:36,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:55:36,288 INFO L225 Difference]: With dead ends: 955 [2018-12-09 18:55:36,288 INFO L226 Difference]: Without dead ends: 640 [2018-12-09 18:55:36,289 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 18:55:36,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 640 states. [2018-12-09 18:55:36,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 640 to 623. [2018-12-09 18:55:36,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 623 states. [2018-12-09 18:55:36,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 623 states and 902 transitions. [2018-12-09 18:55:36,313 INFO L78 Accepts]: Start accepts. Automaton has 623 states and 902 transitions. Word has length 116 [2018-12-09 18:55:36,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:55:36,313 INFO L480 AbstractCegarLoop]: Abstraction has 623 states and 902 transitions. [2018-12-09 18:55:36,313 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 18:55:36,313 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 902 transitions. [2018-12-09 18:55:36,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-12-09 18:55:36,315 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:55:36,315 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:55:36,316 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:55:36,316 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:55:36,316 INFO L82 PathProgramCache]: Analyzing trace with hash 300784086, now seen corresponding path program 1 times [2018-12-09 18:55:36,316 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:55:36,317 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:55:36,317 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:55:36,317 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:55:36,317 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:55:36,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:55:36,381 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 26 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:55:36,381 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 18:55:36,382 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 18:55:36,382 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 125 with the following transitions: [2018-12-09 18:55:36,383 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [45], [50], [52], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [447], [449], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 18:55:36,408 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 18:55:36,408 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 18:55:36,619 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 18:55:36,620 INFO L272 AbstractInterpreter]: Visited 97 different actions 97 times. Never merged. Never widened. Performed 1135 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1135 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 38 variables. [2018-12-09 18:55:36,626 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:55:36,626 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 18:55:36,832 INFO L227 lantSequenceWeakener]: Weakened 113 states. On average, predicates are now at 80.5% of their original sizes. [2018-12-09 18:55:36,832 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 18:55:36,856 INFO L418 sIntCurrentIteration]: We unified 123 AI predicates to 123 [2018-12-09 18:55:36,856 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 18:55:36,857 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 18:55:36,857 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-12-09 18:55:36,857 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:55:36,857 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 18:55:36,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 18:55:36,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 18:55:36,858 INFO L87 Difference]: Start difference. First operand 623 states and 902 transitions. Second operand 6 states. [2018-12-09 18:55:38,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:55:38,782 INFO L93 Difference]: Finished difference Result 1388 states and 2011 transitions. [2018-12-09 18:55:38,782 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 18:55:38,782 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 124 [2018-12-09 18:55:38,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:55:38,786 INFO L225 Difference]: With dead ends: 1388 [2018-12-09 18:55:38,786 INFO L226 Difference]: Without dead ends: 771 [2018-12-09 18:55:38,787 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 124 GetRequests, 119 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 18:55:38,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 771 states. [2018-12-09 18:55:38,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 771 to 769. [2018-12-09 18:55:38,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 769 states. [2018-12-09 18:55:38,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 769 states and 1059 transitions. [2018-12-09 18:55:38,824 INFO L78 Accepts]: Start accepts. Automaton has 769 states and 1059 transitions. Word has length 124 [2018-12-09 18:55:38,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:55:38,824 INFO L480 AbstractCegarLoop]: Abstraction has 769 states and 1059 transitions. [2018-12-09 18:55:38,824 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 18:55:38,824 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 1059 transitions. [2018-12-09 18:55:38,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-09 18:55:38,826 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:55:38,827 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:55:38,827 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:55:38,827 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:55:38,827 INFO L82 PathProgramCache]: Analyzing trace with hash 1867867428, now seen corresponding path program 1 times [2018-12-09 18:55:38,827 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:55:38,828 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:55:38,828 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:55:38,828 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:55:38,828 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:55:38,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:55:38,900 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 36 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:55:38,900 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 18:55:38,900 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 18:55:38,900 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 130 with the following transitions: [2018-12-09 18:55:38,901 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [45], [50], [52], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [447], [449], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 18:55:38,904 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 18:55:38,904 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 18:55:39,058 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 18:55:39,059 INFO L272 AbstractInterpreter]: Visited 100 different actions 194 times. Merged at 4 different actions 4 times. Never widened. Performed 2288 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2288 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-12-09 18:55:39,061 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:55:39,061 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 18:55:39,178 INFO L227 lantSequenceWeakener]: Weakened 124 states. On average, predicates are now at 82.12% of their original sizes. [2018-12-09 18:55:39,179 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 18:55:39,224 INFO L418 sIntCurrentIteration]: We unified 128 AI predicates to 128 [2018-12-09 18:55:39,225 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 18:55:39,225 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 18:55:39,225 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-09 18:55:39,225 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:55:39,225 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 18:55:39,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 18:55:39,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 18:55:39,225 INFO L87 Difference]: Start difference. First operand 769 states and 1059 transitions. Second operand 10 states. [2018-12-09 18:55:41,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:55:41,980 INFO L93 Difference]: Finished difference Result 2133 states and 3037 transitions. [2018-12-09 18:55:41,980 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-12-09 18:55:41,980 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 129 [2018-12-09 18:55:41,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:55:41,983 INFO L225 Difference]: With dead ends: 2133 [2018-12-09 18:55:41,983 INFO L226 Difference]: Without dead ends: 1370 [2018-12-09 18:55:41,984 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 138 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-12-09 18:55:41,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1370 states. [2018-12-09 18:55:42,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1370 to 1363. [2018-12-09 18:55:42,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1363 states. [2018-12-09 18:55:42,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1363 states to 1363 states and 1785 transitions. [2018-12-09 18:55:42,004 INFO L78 Accepts]: Start accepts. Automaton has 1363 states and 1785 transitions. Word has length 129 [2018-12-09 18:55:42,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:55:42,004 INFO L480 AbstractCegarLoop]: Abstraction has 1363 states and 1785 transitions. [2018-12-09 18:55:42,004 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 18:55:42,004 INFO L276 IsEmpty]: Start isEmpty. Operand 1363 states and 1785 transitions. [2018-12-09 18:55:42,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-12-09 18:55:42,006 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:55:42,006 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:55:42,006 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:55:42,006 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:55:42,006 INFO L82 PathProgramCache]: Analyzing trace with hash 212891463, now seen corresponding path program 1 times [2018-12-09 18:55:42,006 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:55:42,007 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:55:42,007 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:55:42,007 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:55:42,007 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:55:42,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:55:42,103 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 31 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 18:55:42,104 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 18:55:42,104 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 18:55:42,104 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 134 with the following transitions: [2018-12-09 18:55:42,104 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [45], [50], [52], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [447], [449], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 18:55:42,107 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 18:55:42,107 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 18:55:42,238 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 18:55:42,238 INFO L272 AbstractInterpreter]: Visited 102 different actions 299 times. Merged at 6 different actions 15 times. Never widened. Performed 3542 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3542 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-12-09 18:55:42,239 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:55:42,240 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 18:55:42,240 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 18:55:42,240 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_884a9c49-77ad-44ce-910a-e38da51107e9/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 18:55:42,247 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:55:42,247 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 18:55:42,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:55:42,289 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 18:55:42,334 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 44 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-09 18:55:42,334 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 18:55:42,394 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 44 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-09 18:55:42,409 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 18:55:42,410 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 13 [2018-12-09 18:55:42,410 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 18:55:42,410 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-09 18:55:42,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-09 18:55:42,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2018-12-09 18:55:42,411 INFO L87 Difference]: Start difference. First operand 1363 states and 1785 transitions. Second operand 12 states. [2018-12-09 18:55:44,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:55:44,238 INFO L93 Difference]: Finished difference Result 3676 states and 5139 transitions. [2018-12-09 18:55:44,239 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-12-09 18:55:44,239 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 133 [2018-12-09 18:55:44,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:55:44,256 INFO L225 Difference]: With dead ends: 3676 [2018-12-09 18:55:44,257 INFO L226 Difference]: Without dead ends: 2319 [2018-12-09 18:55:44,263 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 357 GetRequests, 299 SyntacticMatches, 2 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 992 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=708, Invalid=2598, Unknown=0, NotChecked=0, Total=3306 [2018-12-09 18:55:44,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2319 states. [2018-12-09 18:55:44,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2319 to 2122. [2018-12-09 18:55:44,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2122 states. [2018-12-09 18:55:44,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2122 states to 2122 states and 2542 transitions. [2018-12-09 18:55:44,314 INFO L78 Accepts]: Start accepts. Automaton has 2122 states and 2542 transitions. Word has length 133 [2018-12-09 18:55:44,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:55:44,315 INFO L480 AbstractCegarLoop]: Abstraction has 2122 states and 2542 transitions. [2018-12-09 18:55:44,315 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-09 18:55:44,315 INFO L276 IsEmpty]: Start isEmpty. Operand 2122 states and 2542 transitions. [2018-12-09 18:55:44,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-09 18:55:44,319 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:55:44,319 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:55:44,320 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:55:44,320 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:55:44,320 INFO L82 PathProgramCache]: Analyzing trace with hash 206065799, now seen corresponding path program 1 times [2018-12-09 18:55:44,320 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:55:44,321 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:55:44,321 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:55:44,321 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:55:44,321 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:55:44,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:55:44,402 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 71 proven. 29 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-09 18:55:44,402 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 18:55:44,402 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 18:55:44,403 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 167 with the following transitions: [2018-12-09 18:55:44,403 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [45], [50], [52], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [99], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [447], [449], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 18:55:44,405 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 18:55:44,405 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 18:55:44,632 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 18:55:44,633 INFO L272 AbstractInterpreter]: Visited 105 different actions 410 times. Merged at 8 different actions 29 times. Never widened. Performed 4818 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4818 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 9 fixpoints after 2 different actions. Largest state had 38 variables. [2018-12-09 18:55:44,634 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:55:44,634 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 18:55:44,634 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 18:55:44,634 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_884a9c49-77ad-44ce-910a-e38da51107e9/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 18:55:44,658 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:55:44,659 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 18:55:44,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:55:44,695 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 18:55:44,726 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 85 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-12-09 18:55:44,727 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 18:55:44,774 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 71 proven. 29 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-09 18:55:44,799 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 18:55:44,799 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-09 18:55:44,799 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 18:55:44,800 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 18:55:44,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 18:55:44,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-12-09 18:55:44,800 INFO L87 Difference]: Start difference. First operand 2122 states and 2542 transitions. Second operand 9 states. [2018-12-09 18:55:45,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:55:45,168 INFO L93 Difference]: Finished difference Result 4414 states and 5402 transitions. [2018-12-09 18:55:45,168 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 18:55:45,168 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 166 [2018-12-09 18:55:45,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:55:45,175 INFO L225 Difference]: With dead ends: 4414 [2018-12-09 18:55:45,175 INFO L226 Difference]: Without dead ends: 2442 [2018-12-09 18:55:45,178 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 345 GetRequests, 331 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2018-12-09 18:55:45,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2442 states. [2018-12-09 18:55:45,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2442 to 2422. [2018-12-09 18:55:45,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2422 states. [2018-12-09 18:55:45,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2422 states to 2422 states and 2895 transitions. [2018-12-09 18:55:45,222 INFO L78 Accepts]: Start accepts. Automaton has 2422 states and 2895 transitions. Word has length 166 [2018-12-09 18:55:45,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:55:45,222 INFO L480 AbstractCegarLoop]: Abstraction has 2422 states and 2895 transitions. [2018-12-09 18:55:45,222 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 18:55:45,222 INFO L276 IsEmpty]: Start isEmpty. Operand 2422 states and 2895 transitions. [2018-12-09 18:55:45,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-12-09 18:55:45,227 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:55:45,227 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:55:45,227 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:55:45,227 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:55:45,227 INFO L82 PathProgramCache]: Analyzing trace with hash -1605512983, now seen corresponding path program 1 times [2018-12-09 18:55:45,227 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:55:45,228 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:55:45,228 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:55:45,228 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:55:45,228 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:55:45,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:55:45,296 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 91 proven. 13 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-09 18:55:45,296 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 18:55:45,296 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 18:55:45,296 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 172 with the following transitions: [2018-12-09 18:55:45,296 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [45], [50], [52], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [123], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [447], [449], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 18:55:45,298 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 18:55:45,298 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 18:55:45,428 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 18:55:45,428 INFO L272 AbstractInterpreter]: Visited 103 different actions 311 times. Merged at 7 different actions 24 times. Never widened. Performed 3744 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3744 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 6 fixpoints after 3 different actions. Largest state had 38 variables. [2018-12-09 18:55:45,430 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:55:45,430 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 18:55:45,430 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 18:55:45,430 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_884a9c49-77ad-44ce-910a-e38da51107e9/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 18:55:45,436 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:55:45,436 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 18:55:45,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:55:45,471 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 18:55:45,498 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 106 proven. 2 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-09 18:55:45,498 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 18:55:45,545 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 91 proven. 13 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-09 18:55:45,560 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 18:55:45,560 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-12-09 18:55:45,560 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 18:55:45,560 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 18:55:45,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 18:55:45,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2018-12-09 18:55:45,561 INFO L87 Difference]: Start difference. First operand 2422 states and 2895 transitions. Second operand 9 states. [2018-12-09 18:55:47,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:55:47,045 INFO L93 Difference]: Finished difference Result 5720 states and 6981 transitions. [2018-12-09 18:55:47,045 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-09 18:55:47,045 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 171 [2018-12-09 18:55:47,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:55:47,046 INFO L225 Difference]: With dead ends: 5720 [2018-12-09 18:55:47,046 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 18:55:47,055 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 374 GetRequests, 349 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=171, Invalid=479, Unknown=0, NotChecked=0, Total=650 [2018-12-09 18:55:47,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 18:55:47,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 18:55:47,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 18:55:47,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 18:55:47,056 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 171 [2018-12-09 18:55:47,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:55:47,056 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 18:55:47,056 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 18:55:47,056 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 18:55:47,056 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 18:55:47,062 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 18:55:47,122 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:55:47,125 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:55:47,126 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:55:47,130 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:55:47,131 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:55:47,132 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:55:47,132 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:55:47,133 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:55:47,137 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:55:47,145 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:55:47,146 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:55:47,149 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:55:47,151 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:55:47,152 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:55:47,152 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:55:47,156 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:55:47,507 WARN L180 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 64 [2018-12-09 18:55:47,669 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 18:55:47,669 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a11~0 |old(~a11~0)|) (= |old(~a17~0)| ~a17~0) (= |old(~a25~0)| ~a25~0) (= ~a28~0 |old(~a28~0)|)) [2018-12-09 18:55:47,669 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 18:55:47,670 INFO L448 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:55:47,670 INFO L448 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:55:47,670 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:55:47,670 INFO L448 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:55:47,670 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:55:47,670 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-12-09 18:55:47,670 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-12-09 18:55:47,670 INFO L448 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-12-09 18:55:47,670 INFO L448 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-12-09 18:55:47,670 INFO L448 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-12-09 18:55:47,670 INFO L448 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-12-09 18:55:47,670 INFO L448 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-12-09 18:55:47,670 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-12-09 18:55:47,670 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-12-09 18:55:47,670 INFO L448 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-12-09 18:55:47,670 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-12-09 18:55:47,670 INFO L448 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-12-09 18:55:47,670 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-12-09 18:55:47,670 INFO L448 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:55:47,670 INFO L448 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:55:47,670 INFO L448 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:55:47,670 INFO L448 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:55:47,671 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-12-09 18:55:47,671 INFO L448 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:55:47,671 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-12-09 18:55:47,671 INFO L448 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-12-09 18:55:47,671 INFO L448 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-12-09 18:55:47,671 INFO L448 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-12-09 18:55:47,671 INFO L448 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-12-09 18:55:47,671 INFO L448 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-12-09 18:55:47,671 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-12-09 18:55:47,671 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-12-09 18:55:47,671 INFO L448 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-12-09 18:55:47,671 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-12-09 18:55:47,671 INFO L448 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-12-09 18:55:47,671 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-12-09 18:55:47,671 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-12-09 18:55:47,671 INFO L448 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-12-09 18:55:47,671 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-12-09 18:55:47,671 INFO L448 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:55:47,671 INFO L448 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:55:47,671 INFO L448 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:55:47,671 INFO L448 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:55:47,671 INFO L448 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:55:47,671 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-12-09 18:55:47,671 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-12-09 18:55:47,672 INFO L448 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-12-09 18:55:47,672 INFO L448 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-12-09 18:55:47,672 INFO L448 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-12-09 18:55:47,672 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-12-09 18:55:47,672 INFO L448 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-12-09 18:55:47,672 INFO L448 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-12-09 18:55:47,672 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-12-09 18:55:47,672 INFO L448 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-12-09 18:55:47,672 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-12-09 18:55:47,672 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:55:47,672 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:55:47,672 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:55:47,672 INFO L448 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:55:47,672 INFO L448 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:55:47,672 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-12-09 18:55:47,672 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-12-09 18:55:47,672 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-12-09 18:55:47,672 INFO L448 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-12-09 18:55:47,672 INFO L448 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-12-09 18:55:47,672 INFO L448 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-12-09 18:55:47,672 INFO L448 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-12-09 18:55:47,672 INFO L448 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-12-09 18:55:47,672 INFO L448 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-12-09 18:55:47,672 INFO L448 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-12-09 18:55:47,672 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-12-09 18:55:47,673 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-12-09 18:55:47,673 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-12-09 18:55:47,673 INFO L448 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:55:47,673 INFO L448 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:55:47,673 INFO L448 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:55:47,673 INFO L448 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:55:47,673 INFO L448 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:55:47,673 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-12-09 18:55:47,673 INFO L448 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-12-09 18:55:47,673 INFO L448 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-12-09 18:55:47,673 INFO L448 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-12-09 18:55:47,673 INFO L448 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-12-09 18:55:47,673 INFO L448 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-12-09 18:55:47,673 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-12-09 18:55:47,673 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-12-09 18:55:47,673 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-12-09 18:55:47,673 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-12-09 18:55:47,673 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-12-09 18:55:47,673 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-12-09 18:55:47,673 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-12-09 18:55:47,673 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-12-09 18:55:47,673 INFO L448 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-12-09 18:55:47,673 INFO L448 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-12-09 18:55:47,673 INFO L448 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:55:47,673 INFO L448 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:55:47,673 INFO L448 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:55:47,674 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:55:47,674 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-12-09 18:55:47,674 INFO L448 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:55:47,674 INFO L448 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-12-09 18:55:47,674 INFO L448 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:55:47,674 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-12-09 18:55:47,674 INFO L448 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-12-09 18:55:47,674 INFO L448 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-12-09 18:55:47,674 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:55:47,674 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:55:47,674 INFO L448 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-12-09 18:55:47,674 INFO L448 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-12-09 18:55:47,674 INFO L448 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-12-09 18:55:47,674 INFO L448 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-12-09 18:55:47,674 INFO L448 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-12-09 18:55:47,674 INFO L448 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-12-09 18:55:47,674 INFO L448 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-12-09 18:55:47,674 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-12-09 18:55:47,674 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-12-09 18:55:47,674 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-12-09 18:55:47,674 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-12-09 18:55:47,674 INFO L448 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:55:47,674 INFO L448 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:55:47,674 INFO L448 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:55:47,675 INFO L448 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:55:47,675 INFO L448 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:55:47,675 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:55:47,675 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-12-09 18:55:47,675 INFO L448 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-12-09 18:55:47,675 INFO L448 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-12-09 18:55:47,675 INFO L448 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-12-09 18:55:47,675 INFO L448 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-12-09 18:55:47,675 INFO L448 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-12-09 18:55:47,675 INFO L448 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-12-09 18:55:47,675 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-12-09 18:55:47,675 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-12-09 18:55:47,675 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-12-09 18:55:47,675 INFO L448 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-12-09 18:55:47,675 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:55:47,675 INFO L448 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:55:47,675 INFO L448 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:55:47,675 INFO L448 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:55:47,675 INFO L448 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:55:47,675 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:55:47,675 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-12-09 18:55:47,675 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-12-09 18:55:47,675 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-12-09 18:55:47,675 INFO L448 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-12-09 18:55:47,675 INFO L448 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-12-09 18:55:47,676 INFO L448 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-12-09 18:55:47,676 INFO L448 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-12-09 18:55:47,676 INFO L448 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-12-09 18:55:47,676 INFO L448 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-12-09 18:55:47,676 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-12-09 18:55:47,676 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-12-09 18:55:47,676 INFO L448 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-12-09 18:55:47,676 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-12-09 18:55:47,676 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-12-09 18:55:47,676 INFO L448 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:55:47,676 INFO L448 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:55:47,676 INFO L448 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:55:47,676 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse0 (= 1 |old(~a11~0)|))) (let ((.cse5 (< 9 |old(~a28~0)|)) (.cse6 (= 1 |old(~a25~0)|)) (.cse9 (not (= 1 ~a21~0))) (.cse10 (not (= 1 |old(~a19~0)|))) (.cse11 (not (= 0 |old(~a11~0)|))) (.cse14 (= ~a19~0 1)) (.cse12 (not (= 8 |old(~a17~0)|))) (.cse13 (= |calculate_output_#in~input| 0)) (.cse15 (< 10 |old(~a28~0)|)) (.cse16 (< |old(~a28~0)| 9)) (.cse4 (< 8 |old(~a17~0)|)) (.cse7 (not .cse0)) (.cse8 (= 1 ~a11~0)) (.cse1 (= |old(~a17~0)| ~a17~0)) (.cse2 (= |old(~a25~0)| ~a25~0)) (.cse3 (= ~a28~0 |old(~a28~0)|))) (and (or .cse0 (and (= ~a11~0 |old(~a11~0)|) .cse1 .cse2 .cse3) .cse4) (or (and (or .cse5 (= 8 |old(~a28~0)|) .cse4) (or .cse5 .cse4 .cse6)) .cse7 (and .cse8 (and .cse1 .cse2 .cse3))) (or .cse9 .cse5 .cse10 (= 0 |old(~a28~0)|) .cse11 .cse12 .cse13 .cse14) (or (or .cse9 (not (= 11 |old(~a28~0)|)) (not .cse6)) .cse10 .cse14 .cse11 .cse12 .cse13) (or .cse15 .cse9 .cse10 .cse16 .cse11 .cse14 .cse12 .cse13) (or .cse15 .cse16 .cse4 .cse7 (and .cse8 .cse1 .cse2 .cse3))))) [2018-12-09 18:55:47,676 INFO L448 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:55:47,676 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:55:47,676 INFO L448 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:55:47,676 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-12-09 18:55:47,676 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-12-09 18:55:47,676 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-12-09 18:55:47,676 INFO L448 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-12-09 18:55:47,677 INFO L448 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-12-09 18:55:47,677 INFO L448 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-12-09 18:55:47,677 INFO L448 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-12-09 18:55:47,677 INFO L448 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-12-09 18:55:47,677 INFO L448 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-12-09 18:55:47,677 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-12-09 18:55:47,677 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-12-09 18:55:47,677 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-12-09 18:55:47,677 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-12-09 18:55:47,677 INFO L448 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:55:47,677 INFO L448 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:55:47,677 INFO L448 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:55:47,677 INFO L448 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:55:47,677 INFO L448 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:55:47,677 INFO L448 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:55:47,677 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-12-09 18:55:47,677 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-12-09 18:55:47,677 INFO L448 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-12-09 18:55:47,677 INFO L448 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-12-09 18:55:47,677 INFO L448 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-12-09 18:55:47,677 INFO L448 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-12-09 18:55:47,677 INFO L448 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-12-09 18:55:47,677 INFO L448 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-12-09 18:55:47,677 INFO L448 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-12-09 18:55:47,677 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-12-09 18:55:47,678 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-12-09 18:55:47,678 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-12-09 18:55:47,678 INFO L448 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-12-09 18:55:47,678 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-12-09 18:55:47,678 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 442) no Hoare annotation was computed. [2018-12-09 18:55:47,678 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-12-09 18:55:47,678 INFO L448 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-12-09 18:55:47,678 INFO L448 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:55:47,678 INFO L448 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:55:47,678 INFO L448 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:55:47,678 INFO L448 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:55:47,678 INFO L448 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:55:47,678 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-12-09 18:55:47,678 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-12-09 18:55:47,678 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-12-09 18:55:47,678 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-12-09 18:55:47,678 INFO L448 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-12-09 18:55:47,678 INFO L448 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-12-09 18:55:47,678 INFO L448 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-12-09 18:55:47,678 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-12-09 18:55:47,678 INFO L448 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-12-09 18:55:47,678 INFO L448 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-12-09 18:55:47,678 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-12-09 18:55:47,678 INFO L448 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-12-09 18:55:47,679 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-12-09 18:55:47,679 INFO L448 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-12-09 18:55:47,679 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-12-09 18:55:47,679 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-12-09 18:55:47,679 INFO L448 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-12-09 18:55:47,679 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-12-09 18:55:47,679 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-12-09 18:55:47,679 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 18:55:47,679 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a21~0 1)) [2018-12-09 18:55:47,679 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 18:55:47,679 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 18:55:47,679 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 1 |old(~a19~0)|)) (not (= 0 |old(~a11~0)|)) (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 |old(~a28~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|))) [2018-12-09 18:55:47,679 INFO L444 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse0 (= 1 ~a11~0)) (.cse2 (<= ~a17~0 8))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and .cse0 (let ((.cse1 (<= ~a28~0 9))) (or (and (not (= ~a28~0 8)) .cse1 .cse2) (and (not (= ~a25~0 1)) .cse1 .cse2)))) (and .cse0 (<= ~a28~0 10) (<= 9 ~a28~0) .cse2) (and (= ~a11~0 |old(~a11~0)|) .cse2) (not (= 0 |old(~a11~0)|)) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)))) [2018-12-09 18:55:47,679 INFO L448 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2018-12-09 18:55:47,679 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-12-09 18:55:47,679 INFO L444 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (= 1 ~a11~0)) (.cse2 (<= ~a17~0 8))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and .cse0 (let ((.cse1 (<= ~a28~0 9))) (or (and (not (= ~a28~0 8)) .cse1 .cse2) (and (not (= ~a25~0 1)) .cse1 .cse2)))) (and .cse0 (<= ~a28~0 10) (<= 9 ~a28~0) .cse2) (and (= ~a11~0 |old(~a11~0)|) .cse2) (not (= 0 |old(~a11~0)|)) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)))) [2018-12-09 18:55:47,679 INFO L448 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-12-09 18:55:47,679 INFO L448 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-12-09 18:55:47,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 06:55:47 BoogieIcfgContainer [2018-12-09 18:55:47,685 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 18:55:47,686 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 18:55:47,686 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 18:55:47,686 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 18:55:47,686 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:55:34" (3/4) ... [2018-12-09 18:55:47,688 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 18:55:47,691 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 18:55:47,691 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-09 18:55:47,692 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 18:55:47,697 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-09 18:55:47,698 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 18:55:47,715 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(1 == a21) || !(7 == \old(a28))) || (1 == a11 && (((!(a28 == 8) && a28 <= 9) && a17 <= 8) || ((!(a25 == 1) && a28 <= 9) && a17 <= 8)))) || (((1 == a11 && a28 <= 10) && 9 <= a28) && a17 <= 8)) || (a11 == \old(a11) && a17 <= 8)) || !(0 == \old(a11))) || !(1 == \old(a19))) || !(8 == \old(a17))) || !(0 == \old(a25)) [2018-12-09 18:55:47,769 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_884a9c49-77ad-44ce-910a-e38da51107e9/bin-2019/utaipan/witness.graphml [2018-12-09 18:55:47,769 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 18:55:47,770 INFO L168 Benchmark]: Toolchain (without parser) took 13799.39 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 707.8 MB). Free memory was 947.0 MB in the beginning and 1.3 GB in the end (delta: -346.5 MB). Peak memory consumption was 361.2 MB. Max. memory is 11.5 GB. [2018-12-09 18:55:47,770 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 18:55:47,770 INFO L168 Benchmark]: CACSL2BoogieTranslator took 314.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -157.0 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-12-09 18:55:47,770 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.23 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 18:55:47,770 INFO L168 Benchmark]: Boogie Preprocessor took 38.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. [2018-12-09 18:55:47,771 INFO L168 Benchmark]: RCFGBuilder took 588.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 991.6 MB in the end (delta: 105.2 MB). Peak memory consumption was 105.2 MB. Max. memory is 11.5 GB. [2018-12-09 18:55:47,771 INFO L168 Benchmark]: TraceAbstraction took 12752.76 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 585.6 MB). Free memory was 991.6 MB in the beginning and 1.3 GB in the end (delta: -319.5 MB). Peak memory consumption was 266.1 MB. Max. memory is 11.5 GB. [2018-12-09 18:55:47,771 INFO L168 Benchmark]: Witness Printer took 83.53 ms. Allocated memory is still 1.7 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2018-12-09 18:55:47,772 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 314.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -157.0 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.23 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 588.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 991.6 MB in the end (delta: 105.2 MB). Peak memory consumption was 105.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 12752.76 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 585.6 MB). Free memory was 991.6 MB in the beginning and 1.3 GB in the end (delta: -319.5 MB). Peak memory consumption was 266.1 MB. Max. memory is 11.5 GB. * Witness Printer took 83.53 ms. Allocated memory is still 1.7 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 442]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((!(1 == a21) || !(7 == \old(a28))) || (1 == a11 && (((!(a28 == 8) && a28 <= 9) && a17 <= 8) || ((!(a25 == 1) && a28 <= 9) && a17 <= 8)))) || (((1 == a11 && a28 <= 10) && 9 <= a28) && a17 <= 8)) || (a11 == \old(a11) && a17 <= 8)) || !(0 == \old(a11))) || !(1 == \old(a19))) || !(8 == \old(a17))) || !(0 == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. SAFE Result, 12.6s OverallTime, 7 OverallIterations, 5 TraceHistogramMax, 9.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 493 SDtfs, 6494 SDslu, 751 SDs, 0 SdLazy, 7316 SolverSat, 1901 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.8s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 1353 GetRequests, 1222 SyntacticMatches, 8 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1182 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2422occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.9s AbstIntTime, 5 AbstIntIterations, 2 AbstIntStrong, 0.9970504330827744 AbsIntWeakeningRatio, 0.27091633466135456 AbsIntAvgWeakeningVarsNumRemoved, 25.89641434262948 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 247 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 78 PreInvPairs, 124 NumberOfFragments, 407 HoareAnnotationTreeSize, 78 FomulaSimplifications, 2617 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2657 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 1405 NumberOfCodeBlocks, 1405 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1862 ConstructedInterpolants, 0 QuantifiedInterpolants, 440718 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1451 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 13 InterpolantComputations, 2 PerfectInterpolantSequences, 890/1002 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...