./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label49_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_ca5b2ed0-7fe9-44a1-afeb-f62eead3a964/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ca5b2ed0-7fe9-44a1-afeb-f62eead3a964/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ca5b2ed0-7fe9-44a1-afeb-f62eead3a964/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ca5b2ed0-7fe9-44a1-afeb-f62eead3a964/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label49_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ca5b2ed0-7fe9-44a1-afeb-f62eead3a964/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ca5b2ed0-7fe9-44a1-afeb-f62eead3a964/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 19252d9b977a1b2caf6b350b292ab440fef944ce ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 01:48:23,283 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 01:48:23,284 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 01:48:23,290 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 01:48:23,290 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 01:48:23,290 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 01:48:23,291 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 01:48:23,292 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 01:48:23,293 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 01:48:23,294 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 01:48:23,294 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 01:48:23,295 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 01:48:23,295 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 01:48:23,296 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 01:48:23,296 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 01:48:23,297 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 01:48:23,297 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 01:48:23,298 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 01:48:23,299 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 01:48:23,300 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 01:48:23,301 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 01:48:23,301 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 01:48:23,303 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 01:48:23,303 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 01:48:23,303 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 01:48:23,304 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 01:48:23,304 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 01:48:23,305 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 01:48:23,305 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 01:48:23,306 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 01:48:23,306 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 01:48:23,306 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 01:48:23,306 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 01:48:23,307 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 01:48:23,307 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 01:48:23,308 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 01:48:23,308 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ca5b2ed0-7fe9-44a1-afeb-f62eead3a964/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 01:48:23,315 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 01:48:23,316 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 01:48:23,316 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 01:48:23,316 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 01:48:23,316 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 01:48:23,316 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 01:48:23,317 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 01:48:23,317 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 01:48:23,317 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 01:48:23,317 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 01:48:23,317 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 01:48:23,317 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 01:48:23,317 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 01:48:23,318 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 01:48:23,318 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 01:48:23,318 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 01:48:23,318 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 01:48:23,318 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 01:48:23,318 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 01:48:23,318 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 01:48:23,319 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 01:48:23,319 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 01:48:23,319 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 01:48:23,319 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 01:48:23,319 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 01:48:23,319 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 01:48:23,319 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 01:48:23,319 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 01:48:23,320 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 01:48:23,320 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 01:48:23,320 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 01:48:23,320 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 01:48:23,320 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 01:48:23,320 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 01:48:23,320 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 01:48:23,321 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 01:48:23,321 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_ca5b2ed0-7fe9-44a1-afeb-f62eead3a964/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 -> 19252d9b977a1b2caf6b350b292ab440fef944ce [2018-12-02 01:48:23,338 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 01:48:23,345 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 01:48:23,347 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 01:48:23,348 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 01:48:23,348 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 01:48:23,348 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ca5b2ed0-7fe9-44a1-afeb-f62eead3a964/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem14_label49_true-unreach-call_false-termination.c [2018-12-02 01:48:23,384 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ca5b2ed0-7fe9-44a1-afeb-f62eead3a964/bin-2019/utaipan/data/c788d7625/fb4f31f48c6346a4a02634c580d5108d/FLAG95276191d [2018-12-02 01:48:23,902 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 01:48:23,902 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ca5b2ed0-7fe9-44a1-afeb-f62eead3a964/sv-benchmarks/c/eca-rers2012/Problem14_label49_true-unreach-call_false-termination.c [2018-12-02 01:48:23,909 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ca5b2ed0-7fe9-44a1-afeb-f62eead3a964/bin-2019/utaipan/data/c788d7625/fb4f31f48c6346a4a02634c580d5108d/FLAG95276191d [2018-12-02 01:48:24,366 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ca5b2ed0-7fe9-44a1-afeb-f62eead3a964/bin-2019/utaipan/data/c788d7625/fb4f31f48c6346a4a02634c580d5108d [2018-12-02 01:48:24,368 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 01:48:24,369 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 01:48:24,369 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 01:48:24,369 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 01:48:24,371 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 01:48:24,372 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:48:24" (1/1) ... [2018-12-02 01:48:24,373 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fd2551a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:48:24, skipping insertion in model container [2018-12-02 01:48:24,373 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:48:24" (1/1) ... [2018-12-02 01:48:24,377 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 01:48:24,403 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 01:48:24,591 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 01:48:24,593 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 01:48:24,719 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 01:48:24,732 INFO L195 MainTranslator]: Completed translation [2018-12-02 01:48:24,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:48:24 WrapperNode [2018-12-02 01:48:24,732 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 01:48:24,733 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 01:48:24,733 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 01:48:24,733 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 01:48:24,741 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:48:24" (1/1) ... [2018-12-02 01:48:24,754 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:48:24" (1/1) ... [2018-12-02 01:48:24,760 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 01:48:24,761 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 01:48:24,761 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 01:48:24,761 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 01:48:24,769 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:48:24" (1/1) ... [2018-12-02 01:48:24,770 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:48:24" (1/1) ... [2018-12-02 01:48:24,774 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:48:24" (1/1) ... [2018-12-02 01:48:24,774 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:48:24" (1/1) ... [2018-12-02 01:48:24,794 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:48:24" (1/1) ... [2018-12-02 01:48:24,802 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:48:24" (1/1) ... [2018-12-02 01:48:24,807 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:48:24" (1/1) ... [2018-12-02 01:48:24,813 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 01:48:24,814 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 01:48:24,814 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 01:48:24,814 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 01:48:24,815 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:48:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ca5b2ed0-7fe9-44a1-afeb-f62eead3a964/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 01:48:24,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 01:48:24,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 01:48:24,849 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-02 01:48:24,849 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-02 01:48:24,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 01:48:24,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 01:48:24,849 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 01:48:24,849 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 01:48:25,528 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 01:48:25,529 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-02 01:48:25,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:48:25 BoogieIcfgContainer [2018-12-02 01:48:25,529 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 01:48:25,530 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 01:48:25,530 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 01:48:25,532 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 01:48:25,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:48:24" (1/3) ... [2018-12-02 01:48:25,532 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10f03b66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:48:25, skipping insertion in model container [2018-12-02 01:48:25,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:48:24" (2/3) ... [2018-12-02 01:48:25,533 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10f03b66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:48:25, skipping insertion in model container [2018-12-02 01:48:25,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:48:25" (3/3) ... [2018-12-02 01:48:25,534 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label49_true-unreach-call_false-termination.c [2018-12-02 01:48:25,540 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 01:48:25,545 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 01:48:25,554 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 01:48:25,575 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 01:48:25,575 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 01:48:25,575 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 01:48:25,575 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 01:48:25,575 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 01:48:25,575 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 01:48:25,575 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 01:48:25,575 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 01:48:25,590 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2018-12-02 01:48:25,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-02 01:48:25,595 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:48:25,595 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] [2018-12-02 01:48:25,597 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:48:25,600 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:48:25,600 INFO L82 PathProgramCache]: Analyzing trace with hash -989018502, now seen corresponding path program 1 times [2018-12-02 01:48:25,602 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 01:48:25,633 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:48:25,633 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:48:25,633 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:48:25,633 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 01:48:25,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:48:25,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:48:25,775 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:48:25,775 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 01:48:25,775 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 01:48:25,779 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 01:48:25,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 01:48:25,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-02 01:48:25,788 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 4 states. [2018-12-02 01:48:26,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:48:26,650 INFO L93 Difference]: Finished difference Result 890 states and 1607 transitions. [2018-12-02 01:48:26,651 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 01:48:26,652 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 65 [2018-12-02 01:48:26,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:48:26,661 INFO L225 Difference]: With dead ends: 890 [2018-12-02 01:48:26,661 INFO L226 Difference]: Without dead ends: 554 [2018-12-02 01:48:26,666 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-02 01:48:26,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2018-12-02 01:48:26,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 554. [2018-12-02 01:48:26,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 554 states. [2018-12-02 01:48:26,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 776 transitions. [2018-12-02 01:48:26,714 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 776 transitions. Word has length 65 [2018-12-02 01:48:26,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:48:26,715 INFO L480 AbstractCegarLoop]: Abstraction has 554 states and 776 transitions. [2018-12-02 01:48:26,715 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 01:48:26,715 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 776 transitions. [2018-12-02 01:48:26,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-02 01:48:26,721 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:48:26,721 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 01:48:26,721 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:48:26,722 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:48:26,722 INFO L82 PathProgramCache]: Analyzing trace with hash -2034317014, now seen corresponding path program 1 times [2018-12-02 01:48:26,722 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 01:48:26,723 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:48:26,723 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:48:26,723 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:48:26,723 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 01:48:26,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:48:26,853 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:48:26,853 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:48:26,853 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 01:48:26,854 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 01:48:26,855 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 01:48:26,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 01:48:26,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-02 01:48:26,855 INFO L87 Difference]: Start difference. First operand 554 states and 776 transitions. Second operand 4 states. [2018-12-02 01:48:27,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:48:27,552 INFO L93 Difference]: Finished difference Result 2194 states and 3132 transitions. [2018-12-02 01:48:27,553 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 01:48:27,553 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 177 [2018-12-02 01:48:27,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:48:27,561 INFO L225 Difference]: With dead ends: 2194 [2018-12-02 01:48:27,561 INFO L226 Difference]: Without dead ends: 1646 [2018-12-02 01:48:27,563 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-02 01:48:27,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1646 states. [2018-12-02 01:48:27,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1646 to 1464. [2018-12-02 01:48:27,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1464 states. [2018-12-02 01:48:27,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1464 states to 1464 states and 1994 transitions. [2018-12-02 01:48:27,606 INFO L78 Accepts]: Start accepts. Automaton has 1464 states and 1994 transitions. Word has length 177 [2018-12-02 01:48:27,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:48:27,607 INFO L480 AbstractCegarLoop]: Abstraction has 1464 states and 1994 transitions. [2018-12-02 01:48:27,607 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 01:48:27,607 INFO L276 IsEmpty]: Start isEmpty. Operand 1464 states and 1994 transitions. [2018-12-02 01:48:27,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2018-12-02 01:48:27,614 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:48:27,614 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 01:48:27,614 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:48:27,614 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:48:27,615 INFO L82 PathProgramCache]: Analyzing trace with hash -1543638766, now seen corresponding path program 1 times [2018-12-02 01:48:27,615 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 01:48:27,615 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:48:27,616 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:48:27,616 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:48:27,616 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 01:48:27,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:48:27,774 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 197 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:48:27,775 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 01:48:27,775 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 01:48:27,775 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 260 with the following transitions: [2018-12-02 01:48:27,777 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [429], [431], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [550], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [662], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-02 01:48:27,803 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 01:48:27,803 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 01:48:28,035 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 01:48:28,036 INFO L272 AbstractInterpreter]: Visited 116 different actions 116 times. Never merged. Never widened. Performed 1020 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1020 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 24 variables. [2018-12-02 01:48:28,043 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:48:28,043 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 01:48:28,297 INFO L227 lantSequenceWeakener]: Weakened 250 states. On average, predicates are now at 78.13% of their original sizes. [2018-12-02 01:48:28,297 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 01:48:28,322 INFO L418 sIntCurrentIteration]: We unified 258 AI predicates to 258 [2018-12-02 01:48:28,322 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 01:48:28,323 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 01:48:28,323 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-12-02 01:48:28,323 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 01:48:28,324 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 01:48:28,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 01:48:28,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 01:48:28,324 INFO L87 Difference]: Start difference. First operand 1464 states and 1994 transitions. Second operand 6 states. [2018-12-02 01:48:40,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:48:40,935 INFO L93 Difference]: Finished difference Result 3105 states and 4208 transitions. [2018-12-02 01:48:40,935 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 01:48:40,935 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 259 [2018-12-02 01:48:40,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:48:40,940 INFO L225 Difference]: With dead ends: 3105 [2018-12-02 01:48:40,941 INFO L226 Difference]: Without dead ends: 1647 [2018-12-02 01:48:40,943 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 259 GetRequests, 254 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-02 01:48:40,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1647 states. [2018-12-02 01:48:40,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1647 to 1646. [2018-12-02 01:48:40,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1646 states. [2018-12-02 01:48:40,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1646 states to 1646 states and 2183 transitions. [2018-12-02 01:48:40,976 INFO L78 Accepts]: Start accepts. Automaton has 1646 states and 2183 transitions. Word has length 259 [2018-12-02 01:48:40,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:48:40,976 INFO L480 AbstractCegarLoop]: Abstraction has 1646 states and 2183 transitions. [2018-12-02 01:48:40,976 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 01:48:40,976 INFO L276 IsEmpty]: Start isEmpty. Operand 1646 states and 2183 transitions. [2018-12-02 01:48:40,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2018-12-02 01:48:40,980 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:48:40,980 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-02 01:48:40,980 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:48:40,980 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:48:40,980 INFO L82 PathProgramCache]: Analyzing trace with hash 717046090, now seen corresponding path program 1 times [2018-12-02 01:48:40,980 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 01:48:40,981 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:48:40,981 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:48:40,981 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:48:40,981 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 01:48:40,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:48:41,333 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 259 proven. 161 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 01:48:41,333 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 01:48:41,333 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 01:48:41,334 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 344 with the following transitions: [2018-12-02 01:48:41,334 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [429], [431], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [550], [551], [554], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [662], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-02 01:48:41,336 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 01:48:41,336 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 01:48:41,439 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 01:48:41,439 INFO L272 AbstractInterpreter]: Visited 120 different actions 233 times. Merged at 3 different actions 3 times. Never widened. Performed 2099 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2099 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-02 01:48:41,441 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:48:41,441 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 01:48:41,685 INFO L227 lantSequenceWeakener]: Weakened 340 states. On average, predicates are now at 77.96% of their original sizes. [2018-12-02 01:48:41,686 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 01:48:41,750 INFO L418 sIntCurrentIteration]: We unified 342 AI predicates to 342 [2018-12-02 01:48:41,750 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 01:48:41,750 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 01:48:41,750 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [12] total 20 [2018-12-02 01:48:41,750 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 01:48:41,751 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 01:48:41,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 01:48:41,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 01:48:41,751 INFO L87 Difference]: Start difference. First operand 1646 states and 2183 transitions. Second operand 10 states. [2018-12-02 01:49:04,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:49:04,610 INFO L93 Difference]: Finished difference Result 3684 states and 4880 transitions. [2018-12-02 01:49:04,610 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-02 01:49:04,610 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 343 [2018-12-02 01:49:04,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:49:04,613 INFO L225 Difference]: With dead ends: 3684 [2018-12-02 01:49:04,613 INFO L226 Difference]: Without dead ends: 2226 [2018-12-02 01:49:04,615 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 351 GetRequests, 334 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-12-02 01:49:04,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2226 states. [2018-12-02 01:49:04,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2226 to 2012. [2018-12-02 01:49:04,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2012 states. [2018-12-02 01:49:04,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2012 states to 2012 states and 2607 transitions. [2018-12-02 01:49:04,640 INFO L78 Accepts]: Start accepts. Automaton has 2012 states and 2607 transitions. Word has length 343 [2018-12-02 01:49:04,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:49:04,641 INFO L480 AbstractCegarLoop]: Abstraction has 2012 states and 2607 transitions. [2018-12-02 01:49:04,641 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 01:49:04,641 INFO L276 IsEmpty]: Start isEmpty. Operand 2012 states and 2607 transitions. [2018-12-02 01:49:04,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 395 [2018-12-02 01:49:04,645 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:49:04,645 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 01:49:04,645 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:49:04,645 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:49:04,645 INFO L82 PathProgramCache]: Analyzing trace with hash -450068127, now seen corresponding path program 1 times [2018-12-02 01:49:04,645 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 01:49:04,646 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:49:04,646 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:49:04,646 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:49:04,646 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 01:49:04,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:49:05,187 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 185 proven. 267 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 01:49:05,187 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 01:49:05,187 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 01:49:05,187 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 395 with the following transitions: [2018-12-02 01:49:05,188 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [429], [431], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [562], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [658], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [750], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-02 01:49:05,191 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 01:49:05,191 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 01:49:05,348 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 01:49:05,348 INFO L272 AbstractInterpreter]: Visited 142 different actions 278 times. Merged at 4 different actions 4 times. Never widened. Performed 2652 root evaluator evaluations with a maximum evaluation depth of 13. Performed 2652 inverse root evaluator evaluations with a maximum inverse evaluation depth of 13. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-02 01:49:05,349 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:49:05,349 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 01:49:05,556 INFO L227 lantSequenceWeakener]: Weakened 391 states. On average, predicates are now at 77.87% of their original sizes. [2018-12-02 01:49:05,556 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 01:49:05,596 INFO L418 sIntCurrentIteration]: We unified 393 AI predicates to 393 [2018-12-02 01:49:05,596 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 01:49:05,596 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 01:49:05,596 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [14] total 22 [2018-12-02 01:49:05,596 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 01:49:05,597 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 01:49:05,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 01:49:05,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 01:49:05,597 INFO L87 Difference]: Start difference. First operand 2012 states and 2607 transitions. Second operand 10 states. [2018-12-02 01:49:15,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:49:15,512 INFO L93 Difference]: Finished difference Result 4386 states and 5621 transitions. [2018-12-02 01:49:15,512 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-02 01:49:15,512 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 394 [2018-12-02 01:49:15,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:49:15,516 INFO L225 Difference]: With dead ends: 4386 [2018-12-02 01:49:15,516 INFO L226 Difference]: Without dead ends: 2380 [2018-12-02 01:49:15,517 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 401 GetRequests, 385 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-12-02 01:49:15,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2380 states. [2018-12-02 01:49:15,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2380 to 2378. [2018-12-02 01:49:15,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2378 states. [2018-12-02 01:49:15,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2378 states to 2378 states and 2995 transitions. [2018-12-02 01:49:15,542 INFO L78 Accepts]: Start accepts. Automaton has 2378 states and 2995 transitions. Word has length 394 [2018-12-02 01:49:15,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:49:15,542 INFO L480 AbstractCegarLoop]: Abstraction has 2378 states and 2995 transitions. [2018-12-02 01:49:15,542 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 01:49:15,542 INFO L276 IsEmpty]: Start isEmpty. Operand 2378 states and 2995 transitions. [2018-12-02 01:49:15,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2018-12-02 01:49:15,546 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:49:15,546 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 01:49:15,546 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:49:15,546 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:49:15,547 INFO L82 PathProgramCache]: Analyzing trace with hash -100424438, now seen corresponding path program 1 times [2018-12-02 01:49:15,547 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 01:49:15,547 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:49:15,547 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:49:15,547 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:49:15,547 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 01:49:15,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:49:15,742 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 310 proven. 124 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-12-02 01:49:15,742 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 01:49:15,742 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 01:49:15,742 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 396 with the following transitions: [2018-12-02 01:49:15,742 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [429], [431], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [659], [662], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-02 01:49:15,744 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 01:49:15,744 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 01:49:19,021 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 01:49:19,021 INFO L272 AbstractInterpreter]: Visited 120 different actions 357 times. Merged at 6 different actions 17 times. Never widened. Performed 3412 root evaluator evaluations with a maximum evaluation depth of 21. Performed 3412 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 3 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-02 01:49:19,023 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:49:19,023 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 01:49:19,634 INFO L227 lantSequenceWeakener]: Weakened 392 states. On average, predicates are now at 80.51% of their original sizes. [2018-12-02 01:49:19,634 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 01:49:19,678 INFO L418 sIntCurrentIteration]: We unified 394 AI predicates to 394 [2018-12-02 01:49:19,678 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 01:49:19,678 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 01:49:19,678 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [7] total 15 [2018-12-02 01:49:19,678 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 01:49:19,679 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 01:49:19,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 01:49:19,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 01:49:19,679 INFO L87 Difference]: Start difference. First operand 2378 states and 2995 transitions. Second operand 10 states. [2018-12-02 01:49:31,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:49:31,768 INFO L93 Difference]: Finished difference Result 5153 states and 6812 transitions. [2018-12-02 01:49:31,768 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-02 01:49:31,768 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 395 [2018-12-02 01:49:31,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:49:31,775 INFO L225 Difference]: With dead ends: 5153 [2018-12-02 01:49:31,775 INFO L226 Difference]: Without dead ends: 3147 [2018-12-02 01:49:31,776 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 405 GetRequests, 386 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2018-12-02 01:49:31,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3147 states. [2018-12-02 01:49:31,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3147 to 3124. [2018-12-02 01:49:31,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3124 states. [2018-12-02 01:49:31,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3124 states to 3124 states and 3931 transitions. [2018-12-02 01:49:31,824 INFO L78 Accepts]: Start accepts. Automaton has 3124 states and 3931 transitions. Word has length 395 [2018-12-02 01:49:31,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:49:31,824 INFO L480 AbstractCegarLoop]: Abstraction has 3124 states and 3931 transitions. [2018-12-02 01:49:31,824 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 01:49:31,825 INFO L276 IsEmpty]: Start isEmpty. Operand 3124 states and 3931 transitions. [2018-12-02 01:49:31,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 480 [2018-12-02 01:49:31,831 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:49:31,831 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 01:49:31,831 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:49:31,831 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:49:31,831 INFO L82 PathProgramCache]: Analyzing trace with hash -1844358318, now seen corresponding path program 1 times [2018-12-02 01:49:31,831 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 01:49:31,832 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:49:31,832 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:49:31,832 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:49:31,832 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 01:49:31,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:49:32,005 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 539 proven. 2 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2018-12-02 01:49:32,005 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 01:49:32,005 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 01:49:32,005 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 480 with the following transitions: [2018-12-02 01:49:32,006 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [429], [431], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [554], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [659], [662], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-02 01:49:32,007 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 01:49:32,007 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 01:49:38,225 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 01:49:38,225 INFO L272 AbstractInterpreter]: Visited 122 different actions 483 times. Merged at 8 different actions 28 times. Never widened. Performed 4567 root evaluator evaluations with a maximum evaluation depth of 21. Performed 4567 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 9 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-02 01:49:38,227 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:49:38,227 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 01:49:38,227 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 01:49:38,227 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ca5b2ed0-7fe9-44a1-afeb-f62eead3a964/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 01:49:38,234 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:49:38,234 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 01:49:38,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:49:38,315 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 01:49:38,445 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 539 proven. 2 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2018-12-02 01:49:38,445 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 01:49:38,639 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 539 proven. 2 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2018-12-02 01:49:38,654 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 01:49:38,655 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-02 01:49:38,655 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 01:49:38,655 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 01:49:38,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 01:49:38,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-12-02 01:49:38,656 INFO L87 Difference]: Start difference. First operand 3124 states and 3931 transitions. Second operand 9 states. [2018-12-02 01:49:41,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:49:41,719 INFO L93 Difference]: Finished difference Result 8068 states and 10957 transitions. [2018-12-02 01:49:41,719 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-12-02 01:49:41,720 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 479 [2018-12-02 01:49:41,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:49:41,736 INFO L225 Difference]: With dead ends: 8068 [2018-12-02 01:49:41,737 INFO L226 Difference]: Without dead ends: 5132 [2018-12-02 01:49:41,742 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1018 GetRequests, 978 SyntacticMatches, 2 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 416 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=323, Invalid=1237, Unknown=0, NotChecked=0, Total=1560 [2018-12-02 01:49:41,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5132 states. [2018-12-02 01:49:41,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5132 to 4362. [2018-12-02 01:49:41,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4362 states. [2018-12-02 01:49:41,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4362 states to 4362 states and 5693 transitions. [2018-12-02 01:49:41,807 INFO L78 Accepts]: Start accepts. Automaton has 4362 states and 5693 transitions. Word has length 479 [2018-12-02 01:49:41,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:49:41,808 INFO L480 AbstractCegarLoop]: Abstraction has 4362 states and 5693 transitions. [2018-12-02 01:49:41,808 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 01:49:41,808 INFO L276 IsEmpty]: Start isEmpty. Operand 4362 states and 5693 transitions. [2018-12-02 01:49:41,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 552 [2018-12-02 01:49:41,812 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:49:41,812 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 01:49:41,812 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:49:41,812 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:49:41,813 INFO L82 PathProgramCache]: Analyzing trace with hash 562913078, now seen corresponding path program 1 times [2018-12-02 01:49:41,813 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 01:49:41,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:49:41,813 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:49:41,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:49:41,813 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 01:49:41,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:49:42,002 INFO L134 CoverageAnalysis]: Checked inductivity of 1159 backedges. 672 proven. 2 refuted. 0 times theorem prover too weak. 485 trivial. 0 not checked. [2018-12-02 01:49:42,002 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 01:49:42,002 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 01:49:42,003 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 552 with the following transitions: [2018-12-02 01:49:42,003 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [429], [431], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [510], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [550], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [659], [662], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-02 01:49:42,004 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 01:49:42,004 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 01:49:45,884 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 01:49:45,885 INFO L272 AbstractInterpreter]: Visited 123 different actions 484 times. Merged at 8 different actions 25 times. Never widened. Performed 4663 root evaluator evaluations with a maximum evaluation depth of 21. Performed 4663 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 8 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-02 01:49:45,886 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:49:45,886 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 01:49:45,886 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 01:49:45,886 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ca5b2ed0-7fe9-44a1-afeb-f62eead3a964/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 01:49:45,892 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:49:45,892 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 01:49:45,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:49:45,958 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 01:49:46,067 INFO L134 CoverageAnalysis]: Checked inductivity of 1159 backedges. 672 proven. 2 refuted. 0 times theorem prover too weak. 485 trivial. 0 not checked. [2018-12-02 01:49:46,067 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 01:49:46,233 INFO L134 CoverageAnalysis]: Checked inductivity of 1159 backedges. 672 proven. 2 refuted. 0 times theorem prover too weak. 485 trivial. 0 not checked. [2018-12-02 01:49:46,249 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 01:49:46,249 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-12-02 01:49:46,249 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 01:49:46,250 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 01:49:46,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 01:49:46,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-12-02 01:49:46,250 INFO L87 Difference]: Start difference. First operand 4362 states and 5693 transitions. Second operand 9 states. [2018-12-02 01:49:47,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:49:47,516 INFO L93 Difference]: Finished difference Result 9468 states and 12979 transitions. [2018-12-02 01:49:47,517 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-02 01:49:47,517 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 551 [2018-12-02 01:49:47,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:49:47,529 INFO L225 Difference]: With dead ends: 9468 [2018-12-02 01:49:47,529 INFO L226 Difference]: Without dead ends: 4892 [2018-12-02 01:49:47,536 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1123 GetRequests, 1105 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=116, Invalid=226, Unknown=0, NotChecked=0, Total=342 [2018-12-02 01:49:47,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4892 states. [2018-12-02 01:49:47,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4892 to 4780. [2018-12-02 01:49:47,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4780 states. [2018-12-02 01:49:47,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4780 states to 4780 states and 6138 transitions. [2018-12-02 01:49:47,600 INFO L78 Accepts]: Start accepts. Automaton has 4780 states and 6138 transitions. Word has length 551 [2018-12-02 01:49:47,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:49:47,600 INFO L480 AbstractCegarLoop]: Abstraction has 4780 states and 6138 transitions. [2018-12-02 01:49:47,600 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 01:49:47,600 INFO L276 IsEmpty]: Start isEmpty. Operand 4780 states and 6138 transitions. [2018-12-02 01:49:47,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 556 [2018-12-02 01:49:47,604 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:49:47,604 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 01:49:47,605 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:49:47,605 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:49:47,605 INFO L82 PathProgramCache]: Analyzing trace with hash -933722006, now seen corresponding path program 1 times [2018-12-02 01:49:47,605 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 01:49:47,605 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:49:47,605 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:49:47,605 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:49:47,605 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 01:49:47,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:49:48,206 INFO L134 CoverageAnalysis]: Checked inductivity of 1168 backedges. 602 proven. 411 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2018-12-02 01:49:48,206 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 01:49:48,206 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 01:49:48,206 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 556 with the following transitions: [2018-12-02 01:49:48,206 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [429], [431], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [510], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [562], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [659], [663], [666], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-02 01:49:48,207 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 01:49:48,208 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 01:49:55,321 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 01:49:55,321 INFO L272 AbstractInterpreter]: Visited 124 different actions 494 times. Merged at 9 different actions 31 times. Never widened. Performed 4825 root evaluator evaluations with a maximum evaluation depth of 22. Performed 4825 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 8 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-02 01:49:55,322 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:49:55,323 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 01:49:55,323 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 01:49:55,323 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ca5b2ed0-7fe9-44a1-afeb-f62eead3a964/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 01:49:55,328 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:49:55,328 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 01:49:55,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:49:55,390 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 01:49:55,479 INFO L134 CoverageAnalysis]: Checked inductivity of 1168 backedges. 302 proven. 0 refuted. 0 times theorem prover too weak. 866 trivial. 0 not checked. [2018-12-02 01:49:55,479 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 01:49:55,576 INFO L134 CoverageAnalysis]: Checked inductivity of 1168 backedges. 302 proven. 0 refuted. 0 times theorem prover too weak. 866 trivial. 0 not checked. [2018-12-02 01:49:55,591 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-02 01:49:55,591 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [14] total 16 [2018-12-02 01:49:55,591 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 01:49:55,591 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 01:49:55,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 01:49:55,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2018-12-02 01:49:55,592 INFO L87 Difference]: Start difference. First operand 4780 states and 6138 transitions. Second operand 3 states. [2018-12-02 01:49:55,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:49:55,965 INFO L93 Difference]: Finished difference Result 11050 states and 14505 transitions. [2018-12-02 01:49:55,965 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 01:49:55,965 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 555 [2018-12-02 01:49:55,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:49:55,979 INFO L225 Difference]: With dead ends: 11050 [2018-12-02 01:49:55,979 INFO L226 Difference]: Without dead ends: 6458 [2018-12-02 01:49:55,986 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1125 GetRequests, 1111 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2018-12-02 01:49:55,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6458 states. [2018-12-02 01:49:56,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6458 to 5902. [2018-12-02 01:49:56,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5902 states. [2018-12-02 01:49:56,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5902 states to 5902 states and 7514 transitions. [2018-12-02 01:49:56,052 INFO L78 Accepts]: Start accepts. Automaton has 5902 states and 7514 transitions. Word has length 555 [2018-12-02 01:49:56,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:49:56,052 INFO L480 AbstractCegarLoop]: Abstraction has 5902 states and 7514 transitions. [2018-12-02 01:49:56,052 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 01:49:56,052 INFO L276 IsEmpty]: Start isEmpty. Operand 5902 states and 7514 transitions. [2018-12-02 01:49:56,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 564 [2018-12-02 01:49:56,056 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:49:56,056 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 01:49:56,057 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:49:56,057 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:49:56,057 INFO L82 PathProgramCache]: Analyzing trace with hash -2072652706, now seen corresponding path program 1 times [2018-12-02 01:49:56,057 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 01:49:56,057 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:49:56,057 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:49:56,057 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:49:56,057 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 01:49:56,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:49:56,594 INFO L134 CoverageAnalysis]: Checked inductivity of 1195 backedges. 587 proven. 429 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-12-02 01:49:56,594 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 01:49:56,594 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 01:49:56,594 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 564 with the following transitions: [2018-12-02 01:49:56,594 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [429], [431], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [510], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [598], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [659], [662], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-02 01:49:56,595 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 01:49:56,595 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 01:50:00,496 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 01:50:00,496 INFO L272 AbstractInterpreter]: Visited 123 different actions 491 times. Merged at 9 different actions 32 times. Never widened. Performed 4737 root evaluator evaluations with a maximum evaluation depth of 21. Performed 4737 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 8 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-02 01:50:00,498 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:50:00,498 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 01:50:00,498 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 01:50:00,498 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ca5b2ed0-7fe9-44a1-afeb-f62eead3a964/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 01:50:00,504 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:50:00,504 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 01:50:00,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:50:00,585 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 01:50:00,716 INFO L134 CoverageAnalysis]: Checked inductivity of 1195 backedges. 684 proven. 2 refuted. 0 times theorem prover too weak. 509 trivial. 0 not checked. [2018-12-02 01:50:00,716 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 01:50:00,892 INFO L134 CoverageAnalysis]: Checked inductivity of 1195 backedges. 684 proven. 2 refuted. 0 times theorem prover too weak. 509 trivial. 0 not checked. [2018-12-02 01:50:00,907 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 01:50:00,907 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 5, 5] total 19 [2018-12-02 01:50:00,907 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 01:50:00,908 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-12-02 01:50:00,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-12-02 01:50:00,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=273, Unknown=0, NotChecked=0, Total=342 [2018-12-02 01:50:00,908 INFO L87 Difference]: Start difference. First operand 5902 states and 7514 transitions. Second operand 17 states. [2018-12-02 01:50:04,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:50:04,000 INFO L93 Difference]: Finished difference Result 10489 states and 13976 transitions. [2018-12-02 01:50:04,001 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-12-02 01:50:04,001 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 563 [2018-12-02 01:50:04,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:50:04,013 INFO L225 Difference]: With dead ends: 10489 [2018-12-02 01:50:04,013 INFO L226 Difference]: Without dead ends: 3943 [2018-12-02 01:50:04,029 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1203 GetRequests, 1143 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1046 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=792, Invalid=2868, Unknown=0, NotChecked=0, Total=3660 [2018-12-02 01:50:04,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3943 states. [2018-12-02 01:50:04,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3943 to 3756. [2018-12-02 01:50:04,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3756 states. [2018-12-02 01:50:04,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3756 states to 3756 states and 4051 transitions. [2018-12-02 01:50:04,074 INFO L78 Accepts]: Start accepts. Automaton has 3756 states and 4051 transitions. Word has length 563 [2018-12-02 01:50:04,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:50:04,075 INFO L480 AbstractCegarLoop]: Abstraction has 3756 states and 4051 transitions. [2018-12-02 01:50:04,075 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-12-02 01:50:04,075 INFO L276 IsEmpty]: Start isEmpty. Operand 3756 states and 4051 transitions. [2018-12-02 01:50:04,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 746 [2018-12-02 01:50:04,079 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:50:04,079 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 01:50:04,079 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:50:04,079 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:50:04,079 INFO L82 PathProgramCache]: Analyzing trace with hash 180184218, now seen corresponding path program 1 times [2018-12-02 01:50:04,079 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 01:50:04,080 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:50:04,080 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:50:04,080 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:50:04,080 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 01:50:04,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:50:04,585 INFO L134 CoverageAnalysis]: Checked inductivity of 1434 backedges. 526 proven. 280 refuted. 0 times theorem prover too weak. 628 trivial. 0 not checked. [2018-12-02 01:50:04,586 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 01:50:04,586 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 01:50:04,586 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 746 with the following transitions: [2018-12-02 01:50:04,586 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [429], [431], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [638], [639], [643], [647], [651], [654], [655], [658], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [791], [795], [799], [803], [807], [811], [815], [819], [823], [827], [831], [835], [839], [843], [847], [851], [855], [859], [863], [867], [871], [875], [879], [883], [887], [891], [895], [899], [903], [907], [911], [915], [919], [923], [926], [927], [931], [934], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-02 01:50:04,588 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 01:50:04,588 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 01:50:08,502 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 01:50:08,502 INFO L272 AbstractInterpreter]: Visited 191 different actions 765 times. Merged at 9 different actions 34 times. Widened at 1 different actions 2 times. Performed 8396 root evaluator evaluations with a maximum evaluation depth of 21. Performed 8396 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 9 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-02 01:50:08,504 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:50:08,504 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 01:50:08,504 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 01:50:08,505 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ca5b2ed0-7fe9-44a1-afeb-f62eead3a964/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 01:50:08,525 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:50:08,525 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 01:50:08,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:50:08,603 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 01:50:08,762 INFO L134 CoverageAnalysis]: Checked inductivity of 1434 backedges. 717 proven. 2 refuted. 0 times theorem prover too weak. 715 trivial. 0 not checked. [2018-12-02 01:50:08,762 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 01:50:08,976 INFO L134 CoverageAnalysis]: Checked inductivity of 1434 backedges. 717 proven. 2 refuted. 0 times theorem prover too weak. 715 trivial. 0 not checked. [2018-12-02 01:50:08,992 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 01:50:08,993 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 11 [2018-12-02 01:50:08,993 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 01:50:08,993 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 01:50:08,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 01:50:08,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-12-02 01:50:08,993 INFO L87 Difference]: Start difference. First operand 3756 states and 4051 transitions. Second operand 10 states. [2018-12-02 01:50:09,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:50:09,940 INFO L93 Difference]: Finished difference Result 9214 states and 10157 transitions. [2018-12-02 01:50:09,941 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-12-02 01:50:09,941 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 745 [2018-12-02 01:50:09,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:50:09,948 INFO L225 Difference]: With dead ends: 9214 [2018-12-02 01:50:09,948 INFO L226 Difference]: Without dead ends: 5264 [2018-12-02 01:50:09,953 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1534 GetRequests, 1502 SyntacticMatches, 5 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=202, Invalid=610, Unknown=0, NotChecked=0, Total=812 [2018-12-02 01:50:09,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5264 states. [2018-12-02 01:50:10,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5264 to 5262. [2018-12-02 01:50:10,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5262 states. [2018-12-02 01:50:10,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5262 states to 5262 states and 5641 transitions. [2018-12-02 01:50:10,006 INFO L78 Accepts]: Start accepts. Automaton has 5262 states and 5641 transitions. Word has length 745 [2018-12-02 01:50:10,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:50:10,006 INFO L480 AbstractCegarLoop]: Abstraction has 5262 states and 5641 transitions. [2018-12-02 01:50:10,006 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 01:50:10,006 INFO L276 IsEmpty]: Start isEmpty. Operand 5262 states and 5641 transitions. [2018-12-02 01:50:10,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 963 [2018-12-02 01:50:10,013 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:50:10,013 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-02 01:50:10,013 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:50:10,014 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:50:10,014 INFO L82 PathProgramCache]: Analyzing trace with hash 447625649, now seen corresponding path program 1 times [2018-12-02 01:50:10,014 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 01:50:10,014 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:50:10,015 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:50:10,015 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:50:10,015 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 01:50:10,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:50:10,426 INFO L134 CoverageAnalysis]: Checked inductivity of 2663 backedges. 1063 proven. 57 refuted. 0 times theorem prover too weak. 1543 trivial. 0 not checked. [2018-12-02 01:50:10,426 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 01:50:10,426 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 01:50:10,426 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 963 with the following transitions: [2018-12-02 01:50:10,426 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [429], [431], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [534], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [659], [663], [667], [671], [675], [679], [683], [686], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [791], [794], [795], [799], [803], [807], [811], [815], [819], [823], [827], [831], [835], [839], [843], [847], [851], [854], [855], [859], [863], [867], [871], [875], [879], [883], [887], [891], [895], [899], [903], [907], [911], [915], [919], [923], [927], [931], [934], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-02 01:50:10,428 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 01:50:10,428 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 01:50:14,384 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 01:50:14,384 INFO L272 AbstractInterpreter]: Visited 193 different actions 775 times. Merged at 9 different actions 36 times. Widened at 1 different actions 2 times. Performed 8545 root evaluator evaluations with a maximum evaluation depth of 21. Performed 8545 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 12 fixpoints after 6 different actions. Largest state had 24 variables. [2018-12-02 01:50:14,387 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:50:14,387 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 01:50:14,387 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 01:50:14,387 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ca5b2ed0-7fe9-44a1-afeb-f62eead3a964/bin-2019/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 01:50:14,393 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:50:14,393 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 01:50:14,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:50:14,510 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 01:50:14,776 INFO L134 CoverageAnalysis]: Checked inductivity of 2663 backedges. 1809 proven. 2 refuted. 0 times theorem prover too weak. 852 trivial. 0 not checked. [2018-12-02 01:50:14,776 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 01:50:15,152 INFO L134 CoverageAnalysis]: Checked inductivity of 2663 backedges. 940 proven. 221 refuted. 0 times theorem prover too weak. 1502 trivial. 0 not checked. [2018-12-02 01:50:15,168 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 01:50:15,168 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5, 5] total 9 [2018-12-02 01:50:15,168 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 01:50:15,169 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 01:50:15,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 01:50:15,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-12-02 01:50:15,169 INFO L87 Difference]: Start difference. First operand 5262 states and 5641 transitions. Second operand 7 states. [2018-12-02 01:50:15,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:50:15,646 INFO L93 Difference]: Finished difference Result 9174 states and 9752 transitions. [2018-12-02 01:50:15,646 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-02 01:50:15,646 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 962 [2018-12-02 01:50:15,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:50:15,647 INFO L225 Difference]: With dead ends: 9174 [2018-12-02 01:50:15,647 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 01:50:15,654 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1939 GetRequests, 1925 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2018-12-02 01:50:15,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 01:50:15,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 01:50:15,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 01:50:15,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 01:50:15,655 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 962 [2018-12-02 01:50:15,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:50:15,655 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 01:50:15,655 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 01:50:15,655 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 01:50:15,655 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 01:50:15,659 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 01:50:15,755 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:50:15,793 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:50:15,821 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:50:15,831 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:50:15,883 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:50:15,884 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 216 [2018-12-02 01:50:15,931 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:50:15,942 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:50:15,991 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:50:15,992 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 204 [2018-12-02 01:50:16,652 WARN L180 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 77 [2018-12-02 01:50:17,085 WARN L180 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 65 [2018-12-02 01:50:17,577 WARN L180 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 69 [2018-12-02 01:50:17,579 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 01:50:17,579 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (= |old(~a15~0)| ~a15~0) (= |old(~a12~0)| ~a12~0)) [2018-12-02 01:50:17,579 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 01:50:17,579 INFO L448 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2018-12-02 01:50:17,579 INFO L448 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2018-12-02 01:50:17,579 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 01:50:17,579 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 01:50:17,579 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 01:50:17,580 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2018-12-02 01:50:17,580 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-12-02 01:50:17,580 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-12-02 01:50:17,580 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-12-02 01:50:17,580 INFO L448 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2018-12-02 01:50:17,580 INFO L448 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2018-12-02 01:50:17,580 INFO L448 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2018-12-02 01:50:17,580 INFO L448 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2018-12-02 01:50:17,580 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 01:50:17,580 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 01:50:17,580 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 01:50:17,580 INFO L448 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2018-12-02 01:50:17,580 INFO L448 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2018-12-02 01:50:17,580 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-12-02 01:50:17,580 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-12-02 01:50:17,581 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-12-02 01:50:17,581 INFO L448 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2018-12-02 01:50:17,581 INFO L448 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2018-12-02 01:50:17,581 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2018-12-02 01:50:17,581 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 01:50:17,581 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 01:50:17,581 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 01:50:17,581 INFO L448 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2018-12-02 01:50:17,581 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-12-02 01:50:17,581 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-12-02 01:50:17,581 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-12-02 01:50:17,581 INFO L448 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2018-12-02 01:50:17,581 INFO L448 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2018-12-02 01:50:17,581 INFO L448 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2018-12-02 01:50:17,581 INFO L448 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2018-12-02 01:50:17,582 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2018-12-02 01:50:17,582 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 01:50:17,582 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 01:50:17,582 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 01:50:17,582 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2018-12-02 01:50:17,582 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-12-02 01:50:17,582 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-12-02 01:50:17,582 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-12-02 01:50:17,582 INFO L448 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2018-12-02 01:50:17,582 INFO L448 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2018-12-02 01:50:17,582 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2018-12-02 01:50:17,582 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 01:50:17,582 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 01:50:17,582 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 01:50:17,582 INFO L448 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2018-12-02 01:50:17,583 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-12-02 01:50:17,583 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-12-02 01:50:17,583 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-12-02 01:50:17,583 INFO L448 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2018-12-02 01:50:17,583 INFO L448 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2018-12-02 01:50:17,583 INFO L448 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2018-12-02 01:50:17,583 INFO L448 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2018-12-02 01:50:17,583 INFO L448 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2018-12-02 01:50:17,583 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 01:50:17,583 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 01:50:17,583 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 01:50:17,583 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2018-12-02 01:50:17,583 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2018-12-02 01:50:17,583 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-12-02 01:50:17,583 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-12-02 01:50:17,583 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-12-02 01:50:17,583 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2018-12-02 01:50:17,584 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2018-12-02 01:50:17,584 INFO L448 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2018-12-02 01:50:17,584 INFO L448 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2018-12-02 01:50:17,584 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 01:50:17,584 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 01:50:17,584 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 01:50:17,584 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 181) no Hoare annotation was computed. [2018-12-02 01:50:17,584 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-12-02 01:50:17,584 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-12-02 01:50:17,584 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-12-02 01:50:17,584 INFO L448 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2018-12-02 01:50:17,584 INFO L448 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2018-12-02 01:50:17,584 INFO L448 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2018-12-02 01:50:17,584 INFO L448 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2018-12-02 01:50:17,584 INFO L448 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2018-12-02 01:50:17,584 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 01:50:17,584 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 01:50:17,585 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 01:50:17,585 INFO L448 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2018-12-02 01:50:17,585 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2018-12-02 01:50:17,585 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-12-02 01:50:17,585 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-12-02 01:50:17,585 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-12-02 01:50:17,585 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2018-12-02 01:50:17,585 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse14 (= |old(~a12~0)| ~a12~0)) (.cse0 (<= ~a12~0 |old(~a12~0)|)) (.cse11 (= ~a24~0 |old(~a24~0)|)) (.cse12 (= ~a21~0 |old(~a21~0)|)) (.cse1 (= |old(~a15~0)| ~a15~0))) (let ((.cse5 (< 76 |old(~a12~0)|)) (.cse10 (not (= 5 |old(~a15~0)|))) (.cse17 (< |old(~a21~0)| 10)) (.cse9 (= 10 |old(~a21~0)|)) (.cse18 (< 11 |old(~a12~0)|)) (.cse21 (and .cse0 .cse11 .cse12 .cse1)) (.cse20 (< 7 |old(~a15~0)|)) (.cse2 (= 6 |old(~a21~0)|)) (.cse4 (and .cse12 .cse1 (= ~a24~0 1) .cse14)) (.cse3 (= 0 |old(~a21~0)|)) (.cse13 (< 8 |old(~a21~0)|)) (.cse7 (not (= 8 |old(~a15~0)|))) (.cse8 (= |calculate_output_#in~input| 0)) (.cse16 (and .cse11 .cse12 .cse1 .cse14)) (.cse15 (not (= 9 |old(~a15~0)|))) (.cse19 (< |old(~a12~0)| 81)) (.cse6 (not (= 1 |old(~a24~0)|)))) (and (or (not (= 6 |old(~a15~0)|)) (and .cse0 .cse1)) (or .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (or .cse6 .cse10 (and (and .cse0 (= 5 ~a15~0)) .cse11 .cse12)) (or .cse5 .cse13 (and .cse11 .cse12 (= ~a15~0 |old(~a15~0)|) .cse14) .cse10) (or .cse15 .cse16 .cse17 .cse6 .cse18) (or .cse16 .cse19 .cse13 .cse6 .cse20) (or .cse2 .cse21 .cse6 .cse20) (or .cse18 .cse17 .cse6 .cse7 .cse4 .cse8) (or (or (not .cse9) .cse7) .cse4 .cse19 .cse6 .cse8) (or .cse18 .cse21 .cse6 .cse20) (or .cse2 .cse15 .cse13 .cse6 .cse16) (or .cse4 .cse3 .cse19 .cse13 .cse6 .cse7 .cse8) (or .cse16 .cse15 .cse19 .cse6)))) [2018-12-02 01:50:17,585 INFO L448 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2018-12-02 01:50:17,585 INFO L448 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2018-12-02 01:50:17,585 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 01:50:17,586 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 01:50:17,586 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 01:50:17,586 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-12-02 01:50:17,586 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-12-02 01:50:17,586 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-12-02 01:50:17,586 INFO L448 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2018-12-02 01:50:17,586 INFO L448 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2018-12-02 01:50:17,586 INFO L448 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2018-12-02 01:50:17,586 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2018-12-02 01:50:17,586 INFO L448 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2018-12-02 01:50:17,586 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 01:50:17,586 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 01:50:17,586 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 01:50:17,586 INFO L448 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2018-12-02 01:50:17,586 INFO L448 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2018-12-02 01:50:17,586 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-12-02 01:50:17,586 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-02 01:50:17,587 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-12-02 01:50:17,587 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2018-12-02 01:50:17,587 INFO L448 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2018-12-02 01:50:17,587 INFO L448 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2018-12-02 01:50:17,587 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 01:50:17,587 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 01:50:17,587 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 01:50:17,587 INFO L448 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2018-12-02 01:50:17,587 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-12-02 01:50:17,587 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-12-02 01:50:17,587 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-12-02 01:50:17,587 INFO L448 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2018-12-02 01:50:17,587 INFO L448 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2018-12-02 01:50:17,587 INFO L448 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2018-12-02 01:50:17,587 INFO L448 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2018-12-02 01:50:17,587 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 01:50:17,587 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 01:50:17,588 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 01:50:17,588 INFO L448 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2018-12-02 01:50:17,588 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-12-02 01:50:17,588 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-12-02 01:50:17,588 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-12-02 01:50:17,588 INFO L448 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2018-12-02 01:50:17,588 INFO L448 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2018-12-02 01:50:17,588 INFO L448 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2018-12-02 01:50:17,588 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2018-12-02 01:50:17,588 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 01:50:17,588 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 01:50:17,588 INFO L448 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2018-12-02 01:50:17,588 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-02 01:50:17,588 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-12-02 01:50:17,588 INFO L448 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2018-12-02 01:50:17,588 INFO L448 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2018-12-02 01:50:17,589 INFO L448 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2018-12-02 01:50:17,589 INFO L448 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2018-12-02 01:50:17,589 INFO L448 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2018-12-02 01:50:17,589 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 01:50:17,589 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 01:50:17,589 INFO L448 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2018-12-02 01:50:17,589 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-12-02 01:50:17,589 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-12-02 01:50:17,589 INFO L448 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2018-12-02 01:50:17,589 INFO L448 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2018-12-02 01:50:17,589 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2018-12-02 01:50:17,589 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 01:50:17,589 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 01:50:17,589 INFO L448 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2018-12-02 01:50:17,589 INFO L448 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2018-12-02 01:50:17,589 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-12-02 01:50:17,589 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-12-02 01:50:17,589 INFO L448 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2018-12-02 01:50:17,590 INFO L448 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2018-12-02 01:50:17,590 INFO L448 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2018-12-02 01:50:17,590 INFO L448 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2018-12-02 01:50:17,590 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 01:50:17,590 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 01:50:17,590 INFO L448 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2018-12-02 01:50:17,590 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2018-12-02 01:50:17,590 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-12-02 01:50:17,590 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-12-02 01:50:17,590 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2018-12-02 01:50:17,590 INFO L448 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2018-12-02 01:50:17,590 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2018-12-02 01:50:17,590 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 01:50:17,590 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 01:50:17,590 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2018-12-02 01:50:17,590 INFO L448 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2018-12-02 01:50:17,590 INFO L448 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2018-12-02 01:50:17,591 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-12-02 01:50:17,591 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-12-02 01:50:17,591 INFO L448 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2018-12-02 01:50:17,591 INFO L448 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2018-12-02 01:50:17,591 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 01:50:17,591 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 01:50:17,591 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-12-02 01:50:17,591 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2018-12-02 01:50:17,591 INFO L448 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2018-12-02 01:50:17,591 INFO L448 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2018-12-02 01:50:17,591 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2018-12-02 01:50:17,591 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-02 01:50:17,591 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-12-02 01:50:17,591 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-12-02 01:50:17,591 INFO L448 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2018-12-02 01:50:17,591 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2018-12-02 01:50:17,591 INFO L448 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2018-12-02 01:50:17,592 INFO L448 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2018-12-02 01:50:17,592 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 01:50:17,592 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 01:50:17,592 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 01:50:17,592 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2018-12-02 01:50:17,592 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-12-02 01:50:17,592 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-12-02 01:50:17,592 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-12-02 01:50:17,592 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2018-12-02 01:50:17,592 INFO L448 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2018-12-02 01:50:17,592 INFO L448 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2018-12-02 01:50:17,592 INFO L448 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2018-12-02 01:50:17,592 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 01:50:17,592 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 01:50:17,592 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 01:50:17,592 INFO L448 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2018-12-02 01:50:17,592 INFO L448 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2018-12-02 01:50:17,593 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-12-02 01:50:17,593 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-12-02 01:50:17,593 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-12-02 01:50:17,593 INFO L448 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2018-12-02 01:50:17,593 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2018-12-02 01:50:17,593 INFO L448 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2018-12-02 01:50:17,593 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 01:50:17,593 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 01:50:17,593 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 01:50:17,593 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2018-12-02 01:50:17,593 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-12-02 01:50:17,593 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-12-02 01:50:17,593 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-12-02 01:50:17,593 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2018-12-02 01:50:17,593 INFO L448 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2018-12-02 01:50:17,593 INFO L448 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2018-12-02 01:50:17,593 INFO L448 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2018-12-02 01:50:17,594 INFO L448 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2018-12-02 01:50:17,594 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 01:50:17,594 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 01:50:17,594 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 01:50:17,594 INFO L448 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2018-12-02 01:50:17,594 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-12-02 01:50:17,594 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-12-02 01:50:17,594 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-12-02 01:50:17,594 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2018-12-02 01:50:17,594 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 01:50:17,594 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a15~0 8) (= (+ ~a12~0 49) 0) (= ~a24~0 1) (= ~a21~0 7)) [2018-12-02 01:50:17,594 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 01:50:17,594 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 01:50:17,594 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (and (= |old(~a15~0)| ~a15~0) (= ~a24~0 1) (= ~a21~0 7) (= |old(~a12~0)| ~a12~0)) (not (= 7 |old(~a21~0)|)) (not (= 1 |old(~a24~0)|)) (not (= 8 |old(~a15~0)|)) (not (= 0 (+ |old(~a12~0)| 49)))) [2018-12-02 01:50:17,595 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2018-12-02 01:50:17,595 INFO L444 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (let ((.cse10 (not (= main_~input~0 0))) (.cse11 (= ~a15~0 8)) (.cse12 (= ~a24~0 1))) (let ((.cse2 (= 9 ~a15~0)) (.cse4 (and (not (= ~a21~0 0)) .cse10 .cse11 .cse12)) (.cse0 (<= 81 ~a12~0)) (.cse8 (<= ~a15~0 7)) (.cse7 (not (= 6 ~a21~0))) (.cse6 (<= ~a12~0 11)) (.cse5 (<= 10 ~a21~0)) (.cse1 (= 1 ~a24~0)) (.cse9 (<= ~a12~0 76)) (.cse13 (= 5 ~a15~0)) (.cse3 (<= ~a21~0 8))) (or (and .cse0 .cse1 .cse2) (not (= 8 |old(~a15~0)|)) (and .cse0 .cse3 .cse4) (and .cse1 .cse5 .cse6 .cse2) (and .cse1 .cse3 .cse2 .cse7) (and .cse0 .cse1 .cse8) (and .cse9 (not (= 10 ~a21~0)) .cse4 .cse7) (not (= 7 |old(~a21~0)|)) (not (= 0 (+ |old(~a12~0)| 49))) (and .cse0 (and .cse10 (and .cse11 (= ~a21~0 10)) .cse12)) (and .cse1 .cse8 .cse6) (and .cse1 .cse8 .cse7) (and (and .cse10 .cse11 .cse6) .cse5 (= ~a24~0 |old(~a24~0)|)) (= 6 ~a15~0) (and .cse13 .cse1) (and .cse9 .cse13 .cse3) (not (= 1 |old(~a24~0)|))))) [2018-12-02 01:50:17,595 INFO L448 ceAbstractionStarter]: For program point L888-1(line 888) no Hoare annotation was computed. [2018-12-02 01:50:17,595 INFO L448 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2018-12-02 01:50:17,595 INFO L444 ceAbstractionStarter]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse0 (= ~a15~0 8)) (.cse9 (= ~a24~0 1))) (let ((.cse2 (<= 10 ~a21~0)) (.cse5 (= 9 ~a15~0)) (.cse1 (<= ~a12~0 11)) (.cse8 (<= ~a15~0 7)) (.cse7 (not (= 6 ~a21~0))) (.cse3 (<= 81 ~a12~0)) (.cse11 (and (not (= ~a21~0 0)) .cse0 .cse9)) (.cse4 (= 1 ~a24~0)) (.cse10 (<= ~a12~0 76)) (.cse12 (= 5 ~a15~0)) (.cse6 (<= ~a21~0 8))) (or (and (and .cse0 .cse1) .cse2 (= ~a24~0 |old(~a24~0)|)) (and .cse3 .cse4 .cse5) (not (= 8 |old(~a15~0)|)) (and .cse4 .cse2 .cse1 .cse5) (and .cse4 .cse6 .cse5 .cse7) (and .cse3 .cse4 .cse8) (not (= 7 |old(~a21~0)|)) (not (= 0 (+ |old(~a12~0)| 49))) (and .cse4 .cse8 .cse1) (and .cse4 .cse8 .cse7) (and .cse3 (and .cse0 .cse9 (= ~a21~0 10))) (and .cse10 (not (= 10 ~a21~0)) .cse11 .cse7) (= 6 ~a15~0) (and .cse3 .cse6 .cse11) (and .cse12 .cse4) (and .cse10 .cse12 .cse6) (not (= 1 |old(~a24~0)|))))) [2018-12-02 01:50:17,595 INFO L448 ceAbstractionStarter]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2018-12-02 01:50:17,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:50:17 BoogieIcfgContainer [2018-12-02 01:50:17,604 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 01:50:17,605 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 01:50:17,605 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 01:50:17,605 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 01:50:17,605 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:48:25" (3/4) ... [2018-12-02 01:50:17,608 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 01:50:17,613 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 01:50:17,613 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-02 01:50:17,614 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 01:50:17,624 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-02 01:50:17,624 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-02 01:50:17,649 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((a15 == 8 && a12 <= 11) && 10 <= a21) && a24 == \old(a24)) || ((81 <= a12 && 1 == a24) && 9 == a15)) || !(8 == \old(a15))) || (((1 == a24 && 10 <= a21) && a12 <= 11) && 9 == a15)) || (((1 == a24 && a21 <= 8) && 9 == a15) && !(6 == a21))) || ((81 <= a12 && 1 == a24) && a15 <= 7)) || !(7 == \old(a21))) || !(0 == \old(a12) + 49)) || ((1 == a24 && a15 <= 7) && a12 <= 11)) || ((1 == a24 && a15 <= 7) && !(6 == a21))) || (81 <= a12 && (a15 == 8 && a24 == 1) && a21 == 10)) || (((a12 <= 76 && !(10 == a21)) && (!(a21 == 0) && a15 == 8) && a24 == 1) && !(6 == a21))) || 6 == a15) || ((81 <= a12 && a21 <= 8) && (!(a21 == 0) && a15 == 8) && a24 == 1)) || (5 == a15 && 1 == a24)) || ((a12 <= 76 && 5 == a15) && a21 <= 8)) || !(1 == \old(a24)) [2018-12-02 01:50:17,707 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ca5b2ed0-7fe9-44a1-afeb-f62eead3a964/bin-2019/utaipan/witness.graphml [2018-12-02 01:50:17,707 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 01:50:17,708 INFO L168 Benchmark]: Toolchain (without parser) took 113339.87 ms. Allocated memory was 1.0 GB in the beginning and 3.4 GB in the end (delta: 2.4 GB). Free memory was 947.0 MB in the beginning and 792.6 MB in the end (delta: 154.5 MB). Peak memory consumption was 2.6 GB. Max. memory is 11.5 GB. [2018-12-02 01:50:17,709 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. [2018-12-02 01:50:17,709 INFO L168 Benchmark]: CACSL2BoogieTranslator took 363.39 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 88.6 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -120.3 MB). Peak memory consumption was 44.5 MB. Max. memory is 11.5 GB. [2018-12-02 01:50:17,709 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.49 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. [2018-12-02 01:50:17,709 INFO L168 Benchmark]: Boogie Preprocessor took 52.83 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 01:50:17,709 INFO L168 Benchmark]: RCFGBuilder took 715.31 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 931.0 MB in the end (delta: 122.5 MB). Peak memory consumption was 122.5 MB. Max. memory is 11.5 GB. [2018-12-02 01:50:17,710 INFO L168 Benchmark]: TraceAbstraction took 112074.75 ms. Allocated memory was 1.1 GB in the beginning and 3.4 GB in the end (delta: 2.3 GB). Free memory was 931.0 MB in the beginning and 843.7 MB in the end (delta: 87.3 MB). Peak memory consumption was 2.4 GB. Max. memory is 11.5 GB. [2018-12-02 01:50:17,710 INFO L168 Benchmark]: Witness Printer took 102.85 ms. Allocated memory is still 3.4 GB. Free memory was 843.7 MB in the beginning and 792.6 MB in the end (delta: 51.1 MB). Peak memory consumption was 51.1 MB. Max. memory is 11.5 GB. [2018-12-02 01:50:17,711 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 363.39 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 88.6 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -120.3 MB). Peak memory consumption was 44.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.49 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 52.83 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 715.31 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 931.0 MB in the end (delta: 122.5 MB). Peak memory consumption was 122.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 112074.75 ms. Allocated memory was 1.1 GB in the beginning and 3.4 GB in the end (delta: 2.3 GB). Free memory was 931.0 MB in the beginning and 843.7 MB in the end (delta: 87.3 MB). Peak memory consumption was 2.4 GB. Max. memory is 11.5 GB. * Witness Printer took 102.85 ms. Allocated memory is still 3.4 GB. Free memory was 843.7 MB in the beginning and 792.6 MB in the end (delta: 51.1 MB). Peak memory consumption was 51.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 181]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: ((((((((((((((((((a15 == 8 && a12 <= 11) && 10 <= a21) && a24 == \old(a24)) || ((81 <= a12 && 1 == a24) && 9 == a15)) || !(8 == \old(a15))) || (((1 == a24 && 10 <= a21) && a12 <= 11) && 9 == a15)) || (((1 == a24 && a21 <= 8) && 9 == a15) && !(6 == a21))) || ((81 <= a12 && 1 == a24) && a15 <= 7)) || !(7 == \old(a21))) || !(0 == \old(a12) + 49)) || ((1 == a24 && a15 <= 7) && a12 <= 11)) || ((1 == a24 && a15 <= 7) && !(6 == a21))) || (81 <= a12 && (a15 == 8 && a24 == 1) && a21 == 10)) || (((a12 <= 76 && !(10 == a21)) && (!(a21 == 0) && a15 == 8) && a24 == 1) && !(6 == a21))) || 6 == a15) || ((81 <= a12 && a21 <= 8) && (!(a21 == 0) && a15 == 8) && a24 == 1)) || (5 == a15 && 1 == a24)) || ((a12 <= 76 && 5 == a15) && a21 <= 8)) || !(1 == \old(a24)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. SAFE Result, 112.0s OverallTime, 12 OverallIterations, 8 TraceHistogramMax, 68.4s AutomataDifference, 0.0s DeadEndRemovalTime, 1.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 1071 SDtfs, 11777 SDslu, 968 SDs, 0 SdLazy, 18136 SolverSat, 3520 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 58.4s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 9369 GetRequests, 9130 SyntacticMatches, 11 SemanticMatches, 228 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1884 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5902occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 32.8s AbstIntTime, 10 AbstIntIterations, 4 AbstIntStrong, 0.9973934407848386 AbsIntWeakeningRatio, 0.08795962509012256 AbsIntAvgWeakeningVarsNumRemoved, 16.21917808219178 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 12 MinimizatonAttempts, 2049 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 370 PreInvPairs, 506 NumberOfFragments, 799 HoareAnnotationTreeSize, 370 FomulaSimplifications, 19566 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 13155 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 9343 NumberOfCodeBlocks, 9343 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 13174 ConstructedInterpolants, 0 QuantifiedInterpolants, 23735512 SizeOfPredicates, 3 NumberOfNonLiveVariables, 5675 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 24 InterpolantComputations, 4 PerfectInterpolantSequences, 24958/26932 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...