./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label23_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_d1a07baa-24a4-402f-9171-e452979c60e9/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d1a07baa-24a4-402f-9171-e452979c60e9/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d1a07baa-24a4-402f-9171-e452979c60e9/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d1a07baa-24a4-402f-9171-e452979c60e9/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label23_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d1a07baa-24a4-402f-9171-e452979c60e9/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d1a07baa-24a4-402f-9171-e452979c60e9/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 32be2810d9c37c4b52439355c8a9e3577edf70e1 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 22:34:35,697 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 22:34:35,698 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 22:34:35,704 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 22:34:35,704 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 22:34:35,705 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 22:34:35,705 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 22:34:35,706 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 22:34:35,707 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 22:34:35,707 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 22:34:35,708 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 22:34:35,708 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 22:34:35,708 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 22:34:35,709 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 22:34:35,709 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 22:34:35,710 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 22:34:35,710 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 22:34:35,711 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 22:34:35,712 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 22:34:35,712 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 22:34:35,713 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 22:34:35,713 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 22:34:35,715 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 22:34:35,715 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 22:34:35,715 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 22:34:35,715 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 22:34:35,716 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 22:34:35,716 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 22:34:35,717 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 22:34:35,717 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 22:34:35,717 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 22:34:35,718 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 22:34:35,718 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 22:34:35,718 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 22:34:35,718 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 22:34:35,719 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 22:34:35,719 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d1a07baa-24a4-402f-9171-e452979c60e9/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-08 22:34:35,726 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 22:34:35,726 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 22:34:35,727 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 22:34:35,727 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 22:34:35,727 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 22:34:35,727 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 22:34:35,727 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 22:34:35,727 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-08 22:34:35,727 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 22:34:35,727 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 22:34:35,727 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-08 22:34:35,727 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-08 22:34:35,727 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 22:34:35,728 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 22:34:35,728 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 22:34:35,728 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 22:34:35,728 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 22:34:35,728 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 22:34:35,728 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 22:34:35,728 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 22:34:35,728 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 22:34:35,729 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 22:34:35,729 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 22:34:35,729 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 22:34:35,729 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 22:34:35,729 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 22:34:35,729 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 22:34:35,729 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 22:34:35,729 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 22:34:35,729 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 22:34:35,729 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 22:34:35,729 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 22:34:35,730 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-08 22:34:35,730 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 22:34:35,730 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 22:34:35,730 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-08 22:34:35,730 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_d1a07baa-24a4-402f-9171-e452979c60e9/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 -> 32be2810d9c37c4b52439355c8a9e3577edf70e1 [2018-12-08 22:34:35,746 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 22:34:35,754 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 22:34:35,757 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 22:34:35,758 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 22:34:35,758 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 22:34:35,759 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d1a07baa-24a4-402f-9171-e452979c60e9/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem01_label23_true-unreach-call_false-termination.c [2018-12-08 22:34:35,802 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d1a07baa-24a4-402f-9171-e452979c60e9/bin-2019/utaipan/data/99a831218/16aa1f21c5fb4f3492110c71d2b778ab/FLAG3cfe9a966 [2018-12-08 22:34:36,162 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 22:34:36,162 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d1a07baa-24a4-402f-9171-e452979c60e9/sv-benchmarks/c/eca-rers2012/Problem01_label23_true-unreach-call_false-termination.c [2018-12-08 22:34:36,169 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d1a07baa-24a4-402f-9171-e452979c60e9/bin-2019/utaipan/data/99a831218/16aa1f21c5fb4f3492110c71d2b778ab/FLAG3cfe9a966 [2018-12-08 22:34:36,535 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d1a07baa-24a4-402f-9171-e452979c60e9/bin-2019/utaipan/data/99a831218/16aa1f21c5fb4f3492110c71d2b778ab [2018-12-08 22:34:36,539 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 22:34:36,541 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 22:34:36,542 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 22:34:36,542 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 22:34:36,546 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 22:34:36,547 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 10:34:36" (1/1) ... [2018-12-08 22:34:36,550 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ec9f2fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:34:36, skipping insertion in model container [2018-12-08 22:34:36,550 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 10:34:36" (1/1) ... [2018-12-08 22:34:36,557 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 22:34:36,581 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 22:34:36,755 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 22:34:36,758 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 22:34:36,847 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 22:34:36,857 INFO L195 MainTranslator]: Completed translation [2018-12-08 22:34:36,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:34:36 WrapperNode [2018-12-08 22:34:36,857 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 22:34:36,858 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 22:34:36,858 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 22:34:36,858 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 22:34:36,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:34:36" (1/1) ... [2018-12-08 22:34:36,872 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:34:36" (1/1) ... [2018-12-08 22:34:36,876 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 22:34:36,876 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 22:34:36,877 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 22:34:36,877 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 22:34:36,883 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:34:36" (1/1) ... [2018-12-08 22:34:36,883 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:34:36" (1/1) ... [2018-12-08 22:34:36,885 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:34:36" (1/1) ... [2018-12-08 22:34:36,886 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:34:36" (1/1) ... [2018-12-08 22:34:36,902 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:34:36" (1/1) ... [2018-12-08 22:34:36,909 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:34:36" (1/1) ... [2018-12-08 22:34:36,911 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:34:36" (1/1) ... [2018-12-08 22:34:36,915 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 22:34:36,915 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 22:34:36,915 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 22:34:36,916 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 22:34:36,916 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:34:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d1a07baa-24a4-402f-9171-e452979c60e9/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 [2018-12-08 22:34:36,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 22:34:36,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 22:34:36,957 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-08 22:34:36,957 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-08 22:34:36,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 22:34:36,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 22:34:36,958 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 22:34:36,958 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 22:34:37,491 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 22:34:37,491 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-08 22:34:37,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:34:37 BoogieIcfgContainer [2018-12-08 22:34:37,491 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 22:34:37,492 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 22:34:37,492 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 22:34:37,494 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 22:34:37,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 10:34:36" (1/3) ... [2018-12-08 22:34:37,495 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dbe886a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 10:34:37, skipping insertion in model container [2018-12-08 22:34:37,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:34:36" (2/3) ... [2018-12-08 22:34:37,495 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dbe886a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 10:34:37, skipping insertion in model container [2018-12-08 22:34:37,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:34:37" (3/3) ... [2018-12-08 22:34:37,496 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label23_true-unreach-call_false-termination.c [2018-12-08 22:34:37,502 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 22:34:37,507 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 22:34:37,517 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 22:34:37,536 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 22:34:37,537 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 22:34:37,537 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 22:34:37,537 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 22:34:37,537 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 22:34:37,537 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 22:34:37,537 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 22:34:37,537 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 22:34:37,550 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2018-12-08 22:34:37,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-12-08 22:34:37,556 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 22:34:37,557 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 22:34:37,558 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 22:34:37,562 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:34:37,562 INFO L82 PathProgramCache]: Analyzing trace with hash 1083972551, now seen corresponding path program 1 times [2018-12-08 22:34:37,563 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 22:34:37,593 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:34:37,593 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:34:37,593 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:34:37,594 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 22:34:37,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:34:37,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:34:37,802 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 22:34:37,802 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 22:34:37,802 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 22:34:37,806 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 22:34:37,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 22:34:37,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 22:34:37,816 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2018-12-08 22:34:38,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 22:34:38,240 INFO L93 Difference]: Finished difference Result 547 states and 938 transitions. [2018-12-08 22:34:38,240 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 22:34:38,241 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 101 [2018-12-08 22:34:38,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 22:34:38,250 INFO L225 Difference]: With dead ends: 547 [2018-12-08 22:34:38,251 INFO L226 Difference]: Without dead ends: 278 [2018-12-08 22:34:38,254 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 22:34:38,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2018-12-08 22:34:38,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2018-12-08 22:34:38,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2018-12-08 22:34:38,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 400 transitions. [2018-12-08 22:34:38,298 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 400 transitions. Word has length 101 [2018-12-08 22:34:38,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 22:34:38,298 INFO L480 AbstractCegarLoop]: Abstraction has 278 states and 400 transitions. [2018-12-08 22:34:38,298 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 22:34:38,298 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 400 transitions. [2018-12-08 22:34:38,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-08 22:34:38,301 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 22:34:38,301 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 22:34:38,301 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 22:34:38,301 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:34:38,302 INFO L82 PathProgramCache]: Analyzing trace with hash -322237296, now seen corresponding path program 1 times [2018-12-08 22:34:38,302 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 22:34:38,302 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:34:38,302 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:34:38,303 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:34:38,303 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 22:34:38,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:34:38,370 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:34:38,370 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 22:34:38,371 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 22:34:38,371 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 22:34:38,372 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 22:34:38,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 22:34:38,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-08 22:34:38,372 INFO L87 Difference]: Start difference. First operand 278 states and 400 transitions. Second operand 6 states. [2018-12-08 22:34:38,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 22:34:38,742 INFO L93 Difference]: Finished difference Result 703 states and 1026 transitions. [2018-12-08 22:34:38,742 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 22:34:38,742 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 111 [2018-12-08 22:34:38,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 22:34:38,745 INFO L225 Difference]: With dead ends: 703 [2018-12-08 22:34:38,746 INFO L226 Difference]: Without dead ends: 431 [2018-12-08 22:34:38,747 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-08 22:34:38,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2018-12-08 22:34:38,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 419. [2018-12-08 22:34:38,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2018-12-08 22:34:38,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 588 transitions. [2018-12-08 22:34:38,764 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 588 transitions. Word has length 111 [2018-12-08 22:34:38,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 22:34:38,764 INFO L480 AbstractCegarLoop]: Abstraction has 419 states and 588 transitions. [2018-12-08 22:34:38,765 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 22:34:38,765 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 588 transitions. [2018-12-08 22:34:38,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-12-08 22:34:38,766 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 22:34:38,766 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 22:34:38,767 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 22:34:38,767 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:34:38,767 INFO L82 PathProgramCache]: Analyzing trace with hash -1277669234, now seen corresponding path program 1 times [2018-12-08 22:34:38,767 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 22:34:38,768 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:34:38,768 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:34:38,768 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:34:38,768 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 22:34:38,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:34:38,876 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:34:38,877 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 22:34:38,877 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 22:34:38,877 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 113 with the following transitions: [2018-12-08 22:34:38,878 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [453], [455], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-08 22:34:38,903 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 22:34:38,903 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 22:34:39,262 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 22:34:39,263 INFO L272 AbstractInterpreter]: Visited 105 different actions 202 times. Merged at 3 different actions 3 times. Never widened. Performed 2902 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2902 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-12-08 22:34:39,267 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:34:39,268 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 22:34:39,269 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 22:34:39,269 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d1a07baa-24a4-402f-9171-e452979c60e9/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 [2018-12-08 22:34:39,277 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:34:39,277 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 22:34:39,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:34:39,332 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 22:34:39,385 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:34:39,385 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 22:34:39,420 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:34:39,435 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-08 22:34:39,435 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [7] total 9 [2018-12-08 22:34:39,435 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 22:34:39,436 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 22:34:39,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 22:34:39,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-12-08 22:34:39,436 INFO L87 Difference]: Start difference. First operand 419 states and 588 transitions. Second operand 3 states. [2018-12-08 22:34:39,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 22:34:39,747 INFO L93 Difference]: Finished difference Result 1241 states and 1783 transitions. [2018-12-08 22:34:39,747 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 22:34:39,747 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 112 [2018-12-08 22:34:39,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 22:34:39,750 INFO L225 Difference]: With dead ends: 1241 [2018-12-08 22:34:39,750 INFO L226 Difference]: Without dead ends: 828 [2018-12-08 22:34:39,751 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 224 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-12-08 22:34:39,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2018-12-08 22:34:39,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 828. [2018-12-08 22:34:39,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 828 states. [2018-12-08 22:34:39,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 828 states and 1098 transitions. [2018-12-08 22:34:39,769 INFO L78 Accepts]: Start accepts. Automaton has 828 states and 1098 transitions. Word has length 112 [2018-12-08 22:34:39,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 22:34:39,769 INFO L480 AbstractCegarLoop]: Abstraction has 828 states and 1098 transitions. [2018-12-08 22:34:39,769 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 22:34:39,770 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 1098 transitions. [2018-12-08 22:34:39,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-12-08 22:34:39,771 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 22:34:39,771 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 22:34:39,771 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 22:34:39,772 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:34:39,772 INFO L82 PathProgramCache]: Analyzing trace with hash 125802458, now seen corresponding path program 1 times [2018-12-08 22:34:39,772 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 22:34:39,772 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:34:39,772 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:34:39,772 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:34:39,772 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 22:34:39,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:34:39,846 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:34:39,846 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 22:34:39,846 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 22:34:39,846 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 22:34:39,846 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 22:34:39,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 22:34:39,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 22:34:39,847 INFO L87 Difference]: Start difference. First operand 828 states and 1098 transitions. Second operand 3 states. [2018-12-08 22:34:40,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 22:34:40,158 INFO L93 Difference]: Finished difference Result 1922 states and 2610 transitions. [2018-12-08 22:34:40,158 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 22:34:40,159 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 118 [2018-12-08 22:34:40,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 22:34:40,163 INFO L225 Difference]: With dead ends: 1922 [2018-12-08 22:34:40,163 INFO L226 Difference]: Without dead ends: 1100 [2018-12-08 22:34:40,165 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 22:34:40,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1100 states. [2018-12-08 22:34:40,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1100 to 828. [2018-12-08 22:34:40,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 828 states. [2018-12-08 22:34:40,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 828 states and 1095 transitions. [2018-12-08 22:34:40,203 INFO L78 Accepts]: Start accepts. Automaton has 828 states and 1095 transitions. Word has length 118 [2018-12-08 22:34:40,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 22:34:40,203 INFO L480 AbstractCegarLoop]: Abstraction has 828 states and 1095 transitions. [2018-12-08 22:34:40,203 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 22:34:40,203 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 1095 transitions. [2018-12-08 22:34:40,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-12-08 22:34:40,206 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 22:34:40,206 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 22:34:40,206 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 22:34:40,206 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:34:40,206 INFO L82 PathProgramCache]: Analyzing trace with hash -346016022, now seen corresponding path program 1 times [2018-12-08 22:34:40,206 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 22:34:40,207 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:34:40,207 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:34:40,207 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:34:40,207 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 22:34:40,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:34:40,258 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:34:40,258 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 22:34:40,258 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 22:34:40,258 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 22:34:40,259 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 22:34:40,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 22:34:40,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-08 22:34:40,259 INFO L87 Difference]: Start difference. First operand 828 states and 1095 transitions. Second operand 6 states. [2018-12-08 22:34:40,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 22:34:40,651 INFO L93 Difference]: Finished difference Result 1958 states and 2637 transitions. [2018-12-08 22:34:40,651 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 22:34:40,651 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 126 [2018-12-08 22:34:40,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 22:34:40,656 INFO L225 Difference]: With dead ends: 1958 [2018-12-08 22:34:40,656 INFO L226 Difference]: Without dead ends: 1136 [2018-12-08 22:34:40,657 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-08 22:34:40,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1136 states. [2018-12-08 22:34:40,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1136 to 850. [2018-12-08 22:34:40,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 850 states. [2018-12-08 22:34:40,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 850 states and 1044 transitions. [2018-12-08 22:34:40,681 INFO L78 Accepts]: Start accepts. Automaton has 850 states and 1044 transitions. Word has length 126 [2018-12-08 22:34:40,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 22:34:40,682 INFO L480 AbstractCegarLoop]: Abstraction has 850 states and 1044 transitions. [2018-12-08 22:34:40,682 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 22:34:40,682 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 1044 transitions. [2018-12-08 22:34:40,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-08 22:34:40,684 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 22:34:40,684 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 22:34:40,684 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 22:34:40,684 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:34:40,684 INFO L82 PathProgramCache]: Analyzing trace with hash -1148353872, now seen corresponding path program 1 times [2018-12-08 22:34:40,684 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 22:34:40,685 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:34:40,685 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:34:40,685 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:34:40,685 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 22:34:40,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:34:40,744 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:34:40,745 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 22:34:40,745 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 22:34:40,745 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 22:34:40,745 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 22:34:40,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 22:34:40,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 22:34:40,746 INFO L87 Difference]: Start difference. First operand 850 states and 1044 transitions. Second operand 3 states. [2018-12-08 22:34:41,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 22:34:41,031 INFO L93 Difference]: Finished difference Result 2381 states and 2989 transitions. [2018-12-08 22:34:41,032 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 22:34:41,032 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 127 [2018-12-08 22:34:41,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 22:34:41,037 INFO L225 Difference]: With dead ends: 2381 [2018-12-08 22:34:41,037 INFO L226 Difference]: Without dead ends: 1537 [2018-12-08 22:34:41,039 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 22:34:41,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1537 states. [2018-12-08 22:34:41,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1537 to 1398. [2018-12-08 22:34:41,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1398 states. [2018-12-08 22:34:41,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1398 states to 1398 states and 1735 transitions. [2018-12-08 22:34:41,069 INFO L78 Accepts]: Start accepts. Automaton has 1398 states and 1735 transitions. Word has length 127 [2018-12-08 22:34:41,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 22:34:41,069 INFO L480 AbstractCegarLoop]: Abstraction has 1398 states and 1735 transitions. [2018-12-08 22:34:41,070 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 22:34:41,070 INFO L276 IsEmpty]: Start isEmpty. Operand 1398 states and 1735 transitions. [2018-12-08 22:34:41,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-12-08 22:34:41,072 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 22:34:41,072 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, 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] [2018-12-08 22:34:41,072 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 22:34:41,072 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:34:41,072 INFO L82 PathProgramCache]: Analyzing trace with hash 257579638, now seen corresponding path program 1 times [2018-12-08 22:34:41,073 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 22:34:41,073 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:34:41,073 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:34:41,073 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:34:41,073 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 22:34:41,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:34:41,172 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 55 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:34:41,172 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 22:34:41,172 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 22:34:41,172 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 165 with the following transitions: [2018-12-08 22:34:41,173 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [225], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [453], [455], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-08 22:34:41,176 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 22:34:41,176 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 22:34:41,353 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-08 22:34:41,353 INFO L272 AbstractInterpreter]: Visited 104 different actions 202 times. Merged at 4 different actions 4 times. Never widened. Performed 2831 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2831 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-12-08 22:34:41,355 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:34:41,355 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-08 22:34:41,556 INFO L227 lantSequenceWeakener]: Weakened 161 states. On average, predicates are now at 81.62% of their original sizes. [2018-12-08 22:34:41,556 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-08 22:34:41,612 INFO L418 sIntCurrentIteration]: We unified 163 AI predicates to 163 [2018-12-08 22:34:41,612 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-08 22:34:41,612 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 22:34:41,612 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [7] total 15 [2018-12-08 22:34:41,612 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 22:34:41,613 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-08 22:34:41,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-08 22:34:41,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-08 22:34:41,613 INFO L87 Difference]: Start difference. First operand 1398 states and 1735 transitions. Second operand 10 states. [2018-12-08 22:34:44,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 22:34:44,728 INFO L93 Difference]: Finished difference Result 3336 states and 4205 transitions. [2018-12-08 22:34:44,728 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-08 22:34:44,728 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 164 [2018-12-08 22:34:44,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 22:34:44,731 INFO L225 Difference]: With dead ends: 3336 [2018-12-08 22:34:44,732 INFO L226 Difference]: Without dead ends: 1944 [2018-12-08 22:34:44,733 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 172 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-12-08 22:34:44,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1944 states. [2018-12-08 22:34:44,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1944 to 1807. [2018-12-08 22:34:44,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1807 states. [2018-12-08 22:34:44,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1807 states to 1807 states and 2187 transitions. [2018-12-08 22:34:44,757 INFO L78 Accepts]: Start accepts. Automaton has 1807 states and 2187 transitions. Word has length 164 [2018-12-08 22:34:44,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 22:34:44,757 INFO L480 AbstractCegarLoop]: Abstraction has 1807 states and 2187 transitions. [2018-12-08 22:34:44,757 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-08 22:34:44,757 INFO L276 IsEmpty]: Start isEmpty. Operand 1807 states and 2187 transitions. [2018-12-08 22:34:44,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-12-08 22:34:44,760 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 22:34:44,760 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 22:34:44,761 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 22:34:44,761 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:34:44,761 INFO L82 PathProgramCache]: Analyzing trace with hash -324576636, now seen corresponding path program 1 times [2018-12-08 22:34:44,761 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 22:34:44,762 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:34:44,762 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:34:44,762 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:34:44,762 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 22:34:44,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:34:44,836 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 91 proven. 19 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 22:34:44,837 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 22:34:44,837 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 22:34:44,837 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 192 with the following transitions: [2018-12-08 22:34:44,837 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [225], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [453], [455], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-08 22:34:44,839 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 22:34:44,839 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 22:34:44,998 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-08 22:34:44,999 INFO L272 AbstractInterpreter]: Visited 106 different actions 321 times. Merged at 7 different actions 23 times. Never widened. Performed 4531 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4531 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 5 fixpoints after 3 different actions. Largest state had 42 variables. [2018-12-08 22:34:45,000 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:34:45,000 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-08 22:34:45,178 INFO L227 lantSequenceWeakener]: Weakened 188 states. On average, predicates are now at 83.31% of their original sizes. [2018-12-08 22:34:45,178 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-08 22:34:45,206 INFO L418 sIntCurrentIteration]: We unified 190 AI predicates to 190 [2018-12-08 22:34:45,206 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-08 22:34:45,206 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 22:34:45,207 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [7] total 14 [2018-12-08 22:34:45,207 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 22:34:45,207 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 22:34:45,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 22:34:45,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-08 22:34:45,207 INFO L87 Difference]: Start difference. First operand 1807 states and 2187 transitions. Second operand 9 states. [2018-12-08 22:34:47,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 22:34:47,212 INFO L93 Difference]: Finished difference Result 2644 states and 3289 transitions. [2018-12-08 22:34:47,212 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-08 22:34:47,213 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 191 [2018-12-08 22:34:47,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 22:34:47,217 INFO L225 Difference]: With dead ends: 2644 [2018-12-08 22:34:47,217 INFO L226 Difference]: Without dead ends: 2642 [2018-12-08 22:34:47,218 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 196 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2018-12-08 22:34:47,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2642 states. [2018-12-08 22:34:47,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2642 to 2629. [2018-12-08 22:34:47,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2629 states. [2018-12-08 22:34:47,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2629 states to 2629 states and 3268 transitions. [2018-12-08 22:34:47,248 INFO L78 Accepts]: Start accepts. Automaton has 2629 states and 3268 transitions. Word has length 191 [2018-12-08 22:34:47,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 22:34:47,249 INFO L480 AbstractCegarLoop]: Abstraction has 2629 states and 3268 transitions. [2018-12-08 22:34:47,249 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 22:34:47,249 INFO L276 IsEmpty]: Start isEmpty. Operand 2629 states and 3268 transitions. [2018-12-08 22:34:47,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-12-08 22:34:47,252 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 22:34:47,253 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 22:34:47,253 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 22:34:47,253 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:34:47,253 INFO L82 PathProgramCache]: Analyzing trace with hash -905663325, now seen corresponding path program 1 times [2018-12-08 22:34:47,253 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 22:34:47,253 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:34:47,253 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:34:47,253 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:34:47,254 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 22:34:47,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:34:47,316 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 118 proven. 37 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-12-08 22:34:47,317 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 22:34:47,317 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 22:34:47,317 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 215 with the following transitions: [2018-12-08 22:34:47,317 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [49], [50], [53], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [225], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [453], [455], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-08 22:34:47,319 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 22:34:47,320 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 22:34:47,522 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 22:34:47,522 INFO L272 AbstractInterpreter]: Visited 108 different actions 325 times. Merged at 7 different actions 22 times. Never widened. Performed 4762 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4762 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 5 fixpoints after 3 different actions. Largest state had 42 variables. [2018-12-08 22:34:47,527 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:34:47,527 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 22:34:47,527 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 22:34:47,527 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d1a07baa-24a4-402f-9171-e452979c60e9/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 [2018-12-08 22:34:47,533 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:34:47,533 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 22:34:47,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:34:47,587 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 22:34:47,650 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 93 proven. 2 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-12-08 22:34:47,651 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 22:34:47,718 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 118 proven. 37 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-12-08 22:34:47,733 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 22:34:47,733 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-12-08 22:34:47,733 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 22:34:47,734 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 22:34:47,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 22:34:47,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-12-08 22:34:47,734 INFO L87 Difference]: Start difference. First operand 2629 states and 3268 transitions. Second operand 9 states. [2018-12-08 22:34:48,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 22:34:48,756 INFO L93 Difference]: Finished difference Result 7346 states and 9583 transitions. [2018-12-08 22:34:48,756 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-08 22:34:48,756 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 214 [2018-12-08 22:34:48,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 22:34:48,766 INFO L225 Difference]: With dead ends: 7346 [2018-12-08 22:34:48,766 INFO L226 Difference]: Without dead ends: 4723 [2018-12-08 22:34:48,771 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 443 GetRequests, 428 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2018-12-08 22:34:48,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4723 states. [2018-12-08 22:34:48,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4723 to 4681. [2018-12-08 22:34:48,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4681 states. [2018-12-08 22:34:48,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4681 states to 4681 states and 5981 transitions. [2018-12-08 22:34:48,836 INFO L78 Accepts]: Start accepts. Automaton has 4681 states and 5981 transitions. Word has length 214 [2018-12-08 22:34:48,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 22:34:48,836 INFO L480 AbstractCegarLoop]: Abstraction has 4681 states and 5981 transitions. [2018-12-08 22:34:48,836 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 22:34:48,836 INFO L276 IsEmpty]: Start isEmpty. Operand 4681 states and 5981 transitions. [2018-12-08 22:34:48,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-12-08 22:34:48,845 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 22:34:48,845 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 22:34:48,846 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 22:34:48,846 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:34:48,846 INFO L82 PathProgramCache]: Analyzing trace with hash -665062149, now seen corresponding path program 1 times [2018-12-08 22:34:48,846 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 22:34:48,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:34:48,847 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:34:48,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:34:48,847 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 22:34:48,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:34:48,909 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 123 proven. 42 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-12-08 22:34:48,910 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 22:34:48,910 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 22:34:48,910 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 220 with the following transitions: [2018-12-08 22:34:48,910 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [73], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [225], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [453], [455], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-08 22:34:48,912 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 22:34:48,912 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 22:34:49,120 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 22:34:49,120 INFO L272 AbstractInterpreter]: Visited 108 different actions 323 times. Merged at 7 different actions 20 times. Never widened. Performed 4798 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4798 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 5 fixpoints after 3 different actions. Largest state had 42 variables. [2018-12-08 22:34:49,123 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:34:49,123 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 22:34:49,123 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 22:34:49,123 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d1a07baa-24a4-402f-9171-e452979c60e9/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 [2018-12-08 22:34:49,129 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:34:49,129 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 22:34:49,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:34:49,175 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 22:34:49,203 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 165 proven. 2 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-08 22:34:49,203 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 22:34:49,251 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 165 proven. 2 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-08 22:34:49,266 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 22:34:49,266 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-08 22:34:49,266 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 22:34:49,267 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 22:34:49,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 22:34:49,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2018-12-08 22:34:49,267 INFO L87 Difference]: Start difference. First operand 4681 states and 5981 transitions. Second operand 9 states. [2018-12-08 22:34:50,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 22:34:50,251 INFO L93 Difference]: Finished difference Result 12076 states and 16376 transitions. [2018-12-08 22:34:50,251 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-12-08 22:34:50,251 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 219 [2018-12-08 22:34:50,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 22:34:50,252 INFO L225 Difference]: With dead ends: 12076 [2018-12-08 22:34:50,252 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 22:34:50,268 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 481 GetRequests, 450 SyntacticMatches, 2 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 198 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=223, Invalid=707, Unknown=0, NotChecked=0, Total=930 [2018-12-08 22:34:50,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 22:34:50,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 22:34:50,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 22:34:50,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 22:34:50,269 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 219 [2018-12-08 22:34:50,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 22:34:50,269 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 22:34:50,269 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 22:34:50,269 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 22:34:50,269 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 22:34:50,272 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 22:34:50,460 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,465 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,471 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,487 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,489 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,490 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,491 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,492 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,495 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,496 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,497 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,500 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,501 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,505 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,511 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,512 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,514 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,518 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,520 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,521 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,527 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,531 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,532 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,541 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,544 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,545 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,548 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,578 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,582 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,585 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,587 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,600 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,603 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,614 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,623 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,625 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,633 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,640 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,643 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,646 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,647 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,650 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,662 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,664 WARN L180 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 149 [2018-12-08 22:34:50,669 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,673 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,676 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,680 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,700 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,702 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,703 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,704 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,705 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,708 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,708 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,711 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,712 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,715 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,716 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,722 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,725 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,728 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,729 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,730 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,731 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,734 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,735 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,740 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,741 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,745 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,753 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,756 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,757 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,763 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,764 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,778 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,780 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,782 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,799 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,800 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,807 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,809 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,814 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,817 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,820 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,823 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,833 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,836 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:34:50,837 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 156 [2018-12-08 22:34:51,557 WARN L180 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 78 [2018-12-08 22:34:51,859 WARN L180 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 51 [2018-12-08 22:34:52,115 WARN L180 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 51 [2018-12-08 22:34:52,116 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 22:34:52,116 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a17~0 |old(~a17~0)|) (= |old(~a8~0)| ~a8~0) (= |old(~a16~0)| ~a16~0) (= ~a21~0 |old(~a21~0)|)) [2018-12-08 22:34:52,116 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 22:34:52,116 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-12-08 22:34:52,116 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-12-08 22:34:52,116 INFO L448 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:34:52,116 INFO L448 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:34:52,116 INFO L448 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:34:52,117 INFO L448 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:34:52,117 INFO L448 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:34:52,117 INFO L448 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:34:52,117 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-12-08 22:34:52,117 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-12-08 22:34:52,117 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-12-08 22:34:52,117 INFO L448 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-12-08 22:34:52,117 INFO L448 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-12-08 22:34:52,117 INFO L448 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-12-08 22:34:52,117 INFO L448 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-12-08 22:34:52,117 INFO L448 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-12-08 22:34:52,117 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-12-08 22:34:52,117 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-12-08 22:34:52,117 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:34:52,117 INFO L448 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:34:52,117 INFO L448 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:34:52,117 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:34:52,117 INFO L448 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:34:52,117 INFO L448 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:34:52,117 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-12-08 22:34:52,117 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-12-08 22:34:52,117 INFO L448 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-12-08 22:34:52,117 INFO L448 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-12-08 22:34:52,117 INFO L448 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-12-08 22:34:52,118 INFO L448 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-12-08 22:34:52,118 INFO L448 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-12-08 22:34:52,118 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-12-08 22:34:52,118 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-12-08 22:34:52,118 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-12-08 22:34:52,118 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-12-08 22:34:52,118 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-12-08 22:34:52,118 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-12-08 22:34:52,118 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-12-08 22:34:52,118 INFO L448 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-12-08 22:34:52,118 INFO L448 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:34:52,118 INFO L448 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:34:52,118 INFO L448 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:34:52,118 INFO L448 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:34:52,118 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:34:52,118 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-12-08 22:34:52,118 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-12-08 22:34:52,118 INFO L448 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-12-08 22:34:52,118 INFO L448 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-12-08 22:34:52,118 INFO L448 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-12-08 22:34:52,118 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-12-08 22:34:52,118 INFO L448 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-12-08 22:34:52,118 INFO L448 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-12-08 22:34:52,118 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-12-08 22:34:52,119 INFO L448 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:34:52,119 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:34:52,119 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:34:52,119 INFO L448 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:34:52,119 INFO L448 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:34:52,119 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-12-08 22:34:52,119 INFO L448 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-12-08 22:34:52,119 INFO L448 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-12-08 22:34:52,119 INFO L448 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-12-08 22:34:52,119 INFO L448 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-12-08 22:34:52,119 INFO L448 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-12-08 22:34:52,119 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-12-08 22:34:52,119 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-12-08 22:34:52,119 INFO L448 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-12-08 22:34:52,119 INFO L448 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-12-08 22:34:52,119 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-12-08 22:34:52,119 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-12-08 22:34:52,119 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-12-08 22:34:52,119 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:34:52,119 INFO L448 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:34:52,119 INFO L448 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:34:52,119 INFO L448 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:34:52,119 INFO L448 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:34:52,119 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-12-08 22:34:52,119 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-12-08 22:34:52,120 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-12-08 22:34:52,120 INFO L448 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-12-08 22:34:52,120 INFO L448 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-12-08 22:34:52,120 INFO L448 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-12-08 22:34:52,120 INFO L448 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-12-08 22:34:52,120 INFO L448 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-12-08 22:34:52,120 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-12-08 22:34:52,120 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:34:52,120 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:34:52,120 INFO L448 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:34:52,120 INFO L448 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:34:52,120 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:34:52,120 INFO L448 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:34:52,120 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-12-08 22:34:52,120 INFO L448 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:34:52,121 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-12-08 22:34:52,121 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-12-08 22:34:52,121 INFO L448 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-12-08 22:34:52,121 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-12-08 22:34:52,121 INFO L448 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-12-08 22:34:52,121 INFO L448 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-12-08 22:34:52,121 INFO L448 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-12-08 22:34:52,121 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-12-08 22:34:52,121 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-12-08 22:34:52,121 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-12-08 22:34:52,121 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-12-08 22:34:52,121 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-12-08 22:34:52,121 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-12-08 22:34:52,122 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:34:52,122 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:34:52,122 INFO L448 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:34:52,122 INFO L448 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:34:52,122 INFO L448 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:34:52,122 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-12-08 22:34:52,122 INFO L448 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-12-08 22:34:52,122 INFO L448 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-12-08 22:34:52,122 INFO L448 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-12-08 22:34:52,122 INFO L448 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-12-08 22:34:52,122 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-12-08 22:34:52,122 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-12-08 22:34:52,122 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-12-08 22:34:52,122 INFO L448 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:34:52,122 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:34:52,123 INFO L448 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:34:52,123 INFO L448 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:34:52,123 INFO L448 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:34:52,123 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-12-08 22:34:52,123 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-12-08 22:34:52,123 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-12-08 22:34:52,123 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-12-08 22:34:52,123 INFO L448 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-12-08 22:34:52,123 INFO L448 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-12-08 22:34:52,123 INFO L448 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-12-08 22:34:52,123 INFO L448 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-12-08 22:34:52,123 INFO L448 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-12-08 22:34:52,123 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-12-08 22:34:52,124 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse14 (= 1 |old(~a20~0)|)) (.cse8 (= 4 |old(~a16~0)|)) (.cse16 (= 15 |old(~a8~0)|))) (let ((.cse10 (= 0 |old(~a16~0)|)) (.cse7 (= ~a7~0 0)) (.cse5 (< 0 |old(~a17~0)|)) (.cse12 (and (<= ~a17~0 |old(~a17~0)|) (= |old(~a8~0)| ~a8~0) (= |old(~a16~0)| ~a16~0) (= ~a21~0 |old(~a21~0)|))) (.cse15 (or (= 6 |old(~a16~0)|) .cse16)) (.cse13 (not (= 1 ~a20~0))) (.cse3 (not .cse8)) (.cse0 (not (= 0 |old(~a7~0)|))) (.cse1 (not (= 1 |old(~a21~0)|))) (.cse4 (not (= 8 ~a12~0))) (.cse6 (= |calculate_output_#in~input| 0)) (.cse11 (= ~a20~0 1)) (.cse9 (not .cse14)) (.cse2 (not .cse16))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (or (or .cse0 .cse1 .cse8 .cse9 .cse2) .cse10 .cse4 .cse5 .cse6 .cse11) (or (or .cse0 .cse1 (not (= 0 |old(~a17~0)|))) (and (= ~a17~0 0) .cse11) .cse3 .cse4 .cse6 .cse9 .cse2) (or .cse1 .cse12 .cse8) (or (< 13 |old(~a8~0)|) .cse5 .cse12) (or .cse1 .cse13 (= 13 |old(~a8~0)|) .cse14) (or .cse0 .cse1 .cse7 .cse8 .cse2 .cse10 .cse4 .cse6) (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse6 .cse14 .cse7) (or .cse15 .cse12) (or .cse12 .cse1 .cse5) (or .cse1 .cse14 .cse12) (or .cse15 .cse13 .cse3 .cse14) (or .cse0 .cse1 .cse4 .cse6 (not (= 1 |old(~a17~0)|)) (and (= ~a17~0 1) .cse11) .cse9 .cse2 (not (= 5 |old(~a16~0)|)))))) [2018-12-08 22:34:52,124 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-12-08 22:34:52,124 INFO L448 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:34:52,124 INFO L448 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:34:52,124 INFO L448 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:34:52,124 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:34:52,124 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-12-08 22:34:52,124 INFO L448 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:34:52,124 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:34:52,124 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-12-08 22:34:52,125 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-12-08 22:34:52,125 INFO L448 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-12-08 22:34:52,125 INFO L448 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-12-08 22:34:52,125 INFO L448 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-12-08 22:34:52,125 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-12-08 22:34:52,125 INFO L448 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-12-08 22:34:52,125 INFO L448 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-12-08 22:34:52,125 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-12-08 22:34:52,125 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-12-08 22:34:52,125 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-12-08 22:34:52,125 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-12-08 22:34:52,125 INFO L448 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:34:52,125 INFO L448 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:34:52,125 INFO L448 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:34:52,125 INFO L448 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:34:52,125 INFO L448 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:34:52,125 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-12-08 22:34:52,125 INFO L448 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:34:52,125 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-12-08 22:34:52,125 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-12-08 22:34:52,126 INFO L448 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-12-08 22:34:52,126 INFO L448 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-12-08 22:34:52,126 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-12-08 22:34:52,126 INFO L448 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-12-08 22:34:52,126 INFO L448 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-12-08 22:34:52,126 INFO L448 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-12-08 22:34:52,126 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-12-08 22:34:52,126 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-12-08 22:34:52,126 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-12-08 22:34:52,126 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-12-08 22:34:52,126 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-12-08 22:34:52,126 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-12-08 22:34:52,126 INFO L448 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:34:52,126 INFO L448 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:34:52,126 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:34:52,126 INFO L448 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:34:52,126 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:34:52,126 INFO L448 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-12-08 22:34:52,126 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-12-08 22:34:52,126 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 461) no Hoare annotation was computed. [2018-12-08 22:34:52,126 INFO L448 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-12-08 22:34:52,126 INFO L448 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-12-08 22:34:52,126 INFO L448 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-12-08 22:34:52,126 INFO L448 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-12-08 22:34:52,127 INFO L448 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-12-08 22:34:52,127 INFO L448 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-12-08 22:34:52,127 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-12-08 22:34:52,127 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-12-08 22:34:52,127 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-12-08 22:34:52,127 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 22:34:52,127 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a7~0 0) (= ~a8~0 15) (= ~a17~0 1) (= ~a12~0 8) (= ~a21~0 1) (= ~a20~0 1) (= ~a16~0 5)) [2018-12-08 22:34:52,127 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 22:34:52,127 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 22:34:52,127 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a21~0)|)) (not (= 1 |old(~a20~0)|)) (not (= 15 |old(~a8~0)|)) (and (= ~a17~0 1) (= ~a7~0 0) (= |old(~a8~0)| ~a8~0) (= 1 ~a21~0) (= ~a20~0 1) (= ~a16~0 5)) (not (= 5 |old(~a16~0)|)) (not (= 8 ~a12~0)) (not (= 1 |old(~a17~0)|))) [2018-12-08 22:34:52,127 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-12-08 22:34:52,128 INFO L444 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 0)) (.cse1 (= 1 ~a21~0))) (or (not (= 1 |old(~a21~0)|)) (and (<= ~a8~0 13) .cse0) (not (= 8 ~a12~0)) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (and (not (= 1 ~a20~0)) .cse1) (and .cse1 .cse0) (and .cse1 (not (= ~a16~0 4))) (not (= 0 |old(~a7~0)|)) (and (not (= ~a16~0 6)) (not (= ~a8~0 15))) (not (= 1 |old(~a17~0)|)) (not (= 15 |old(~a8~0)|)))) [2018-12-08 22:34:52,128 INFO L448 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-12-08 22:34:52,128 INFO L448 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-12-08 22:34:52,128 INFO L444 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 0)) (.cse1 (= 1 ~a21~0))) (or (not (= 1 |old(~a21~0)|)) (and (<= ~a8~0 13) .cse0) (not (= 8 ~a12~0)) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (and (not (= 1 ~a20~0)) .cse1) (and .cse1 .cse0) (and .cse1 (not (= ~a16~0 4))) (not (= 0 |old(~a7~0)|)) (and (not (= ~a16~0 6)) (not (= ~a8~0 15))) (not (= 1 |old(~a17~0)|)) (not (= 15 |old(~a8~0)|)))) [2018-12-08 22:34:52,128 INFO L448 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2018-12-08 22:34:52,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 10:34:52 BoogieIcfgContainer [2018-12-08 22:34:52,137 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 22:34:52,137 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 22:34:52,137 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 22:34:52,137 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 22:34:52,138 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:34:37" (3/4) ... [2018-12-08 22:34:52,141 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 22:34:52,145 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 22:34:52,145 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-08 22:34:52,145 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 22:34:52,151 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-08 22:34:52,151 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-08 22:34:52,167 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(1 == \old(a21)) || (a8 <= 13 && a17 <= 0)) || !(8 == a12)) || !(1 == \old(a20))) || !(5 == \old(a16))) || (!(1 == a20) && 1 == a21)) || (1 == a21 && a17 <= 0)) || (1 == a21 && !(a16 == 4))) || !(0 == \old(a7))) || (!(a16 == 6) && !(a8 == 15))) || !(1 == \old(a17))) || !(15 == \old(a8)) [2018-12-08 22:34:52,226 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d1a07baa-24a4-402f-9171-e452979c60e9/bin-2019/utaipan/witness.graphml [2018-12-08 22:34:52,226 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 22:34:52,227 INFO L168 Benchmark]: Toolchain (without parser) took 15687.24 ms. Allocated memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: 858.8 MB). Free memory was 941.6 MB in the beginning and 1.0 GB in the end (delta: -88.0 MB). Peak memory consumption was 770.8 MB. Max. memory is 11.5 GB. [2018-12-08 22:34:52,228 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 22:34:52,228 INFO L168 Benchmark]: CACSL2BoogieTranslator took 315.56 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.1 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -156.6 MB). Peak memory consumption was 35.4 MB. Max. memory is 11.5 GB. [2018-12-08 22:34:52,228 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.47 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-12-08 22:34:52,228 INFO L168 Benchmark]: Boogie Preprocessor took 38.74 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-08 22:34:52,229 INFO L168 Benchmark]: RCFGBuilder took 576.01 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 984.2 MB in the end (delta: 100.7 MB). Peak memory consumption was 100.7 MB. Max. memory is 11.5 GB. [2018-12-08 22:34:52,229 INFO L168 Benchmark]: TraceAbstraction took 14645.02 ms. Allocated memory was 1.1 GB in the beginning and 1.9 GB in the end (delta: 747.6 MB). Free memory was 981.5 MB in the beginning and 1.0 GB in the end (delta: -67.9 MB). Peak memory consumption was 785.4 MB. Max. memory is 11.5 GB. [2018-12-08 22:34:52,229 INFO L168 Benchmark]: Witness Printer took 89.11 ms. Allocated memory is still 1.9 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. [2018-12-08 22:34:52,231 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 315.56 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.1 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -156.6 MB). Peak memory consumption was 35.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.47 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.74 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 576.01 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 984.2 MB in the end (delta: 100.7 MB). Peak memory consumption was 100.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 14645.02 ms. Allocated memory was 1.1 GB in the beginning and 1.9 GB in the end (delta: 747.6 MB). Free memory was 981.5 MB in the beginning and 1.0 GB in the end (delta: -67.9 MB). Peak memory consumption was 785.4 MB. Max. memory is 11.5 GB. * Witness Printer took 89.11 ms. Allocated memory is still 1.9 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 461]: 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: 583]: Loop Invariant Derived loop invariant: ((((((((((!(1 == \old(a21)) || (a8 <= 13 && a17 <= 0)) || !(8 == a12)) || !(1 == \old(a20))) || !(5 == \old(a16))) || (!(1 == a20) && 1 == a21)) || (1 == a21 && a17 <= 0)) || (1 == a21 && !(a16 == 4))) || !(0 == \old(a7))) || (!(a16 == 6) && !(a8 == 15))) || !(1 == \old(a17))) || !(15 == \old(a8)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. SAFE Result, 14.5s OverallTime, 10 OverallIterations, 5 TraceHistogramMax, 9.3s AutomataDifference, 0.0s DeadEndRemovalTime, 1.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 946 SDtfs, 4284 SDslu, 499 SDs, 0 SdLazy, 7834 SolverSat, 1281 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.9s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 1558 GetRequests, 1452 SyntacticMatches, 9 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 303 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4681occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.1s AbstIntTime, 5 AbstIntIterations, 2 AbstIntStrong, 0.9976119938255414 AbsIntWeakeningRatio, 0.19830028328611898 AbsIntAvgWeakeningVarsNumRemoved, 28.44759206798867 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 901 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 244 PreInvPairs, 506 NumberOfFragments, 569 HoareAnnotationTreeSize, 244 FomulaSimplifications, 27196 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 11257 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 2028 NumberOfCodeBlocks, 2028 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2557 ConstructedInterpolants, 0 QuantifiedInterpolants, 1002234 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1570 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 16 InterpolantComputations, 7 PerfectInterpolantSequences, 1297/1448 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...