./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label11_true-unreach-call.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_fe424a6e-6c36-45b1-8041-8ae573bf56d1/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fe424a6e-6c36-45b1-8041-8ae573bf56d1/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fe424a6e-6c36-45b1-8041-8ae573bf56d1/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fe424a6e-6c36-45b1-8041-8ae573bf56d1/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label11_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_fe424a6e-6c36-45b1-8041-8ae573bf56d1/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fe424a6e-6c36-45b1-8041-8ae573bf56d1/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 38eca36787df6152c26f941ea8052099b3b63076 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 17:13:48,808 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 17:13:48,809 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 17:13:48,815 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 17:13:48,815 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 17:13:48,816 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 17:13:48,817 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 17:13:48,818 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 17:13:48,818 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 17:13:48,819 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 17:13:48,819 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 17:13:48,820 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 17:13:48,820 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 17:13:48,821 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 17:13:48,821 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 17:13:48,822 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 17:13:48,822 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 17:13:48,823 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 17:13:48,824 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 17:13:48,825 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 17:13:48,825 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 17:13:48,826 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 17:13:48,827 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 17:13:48,827 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 17:13:48,828 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 17:13:48,828 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 17:13:48,829 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 17:13:48,829 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 17:13:48,830 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 17:13:48,830 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 17:13:48,830 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 17:13:48,831 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 17:13:48,831 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 17:13:48,831 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 17:13:48,832 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 17:13:48,832 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 17:13:48,832 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fe424a6e-6c36-45b1-8041-8ae573bf56d1/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 17:13:48,840 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 17:13:48,840 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 17:13:48,840 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 17:13:48,840 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 17:13:48,840 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 17:13:48,841 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 17:13:48,841 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 17:13:48,841 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 17:13:48,841 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 17:13:48,841 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 17:13:48,841 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 17:13:48,841 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 17:13:48,841 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 17:13:48,842 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 17:13:48,842 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 17:13:48,842 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 17:13:48,842 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 17:13:48,842 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 17:13:48,843 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 17:13:48,843 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 17:13:48,843 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 17:13:48,843 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 17:13:48,843 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 17:13:48,843 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 17:13:48,843 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 17:13:48,843 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 17:13:48,844 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 17:13:48,844 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 17:13:48,844 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 17:13:48,844 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 17:13:48,844 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 17:13:48,844 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 17:13:48,844 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 17:13:48,844 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 17:13:48,845 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 17:13:48,845 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 17:13:48,845 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_fe424a6e-6c36-45b1-8041-8ae573bf56d1/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 -> 38eca36787df6152c26f941ea8052099b3b63076 [2018-12-09 17:13:48,862 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 17:13:48,868 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 17:13:48,870 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 17:13:48,871 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 17:13:48,871 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 17:13:48,872 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fe424a6e-6c36-45b1-8041-8ae573bf56d1/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem10_label11_true-unreach-call.c [2018-12-09 17:13:48,906 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fe424a6e-6c36-45b1-8041-8ae573bf56d1/bin-2019/utaipan/data/acd98af24/ebeb0944c09545e4b8ec6a26e2696821/FLAGf87f05640 [2018-12-09 17:13:49,376 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 17:13:49,376 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fe424a6e-6c36-45b1-8041-8ae573bf56d1/sv-benchmarks/c/eca-rers2012/Problem10_label11_true-unreach-call.c [2018-12-09 17:13:49,382 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fe424a6e-6c36-45b1-8041-8ae573bf56d1/bin-2019/utaipan/data/acd98af24/ebeb0944c09545e4b8ec6a26e2696821/FLAGf87f05640 [2018-12-09 17:13:49,391 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fe424a6e-6c36-45b1-8041-8ae573bf56d1/bin-2019/utaipan/data/acd98af24/ebeb0944c09545e4b8ec6a26e2696821 [2018-12-09 17:13:49,393 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 17:13:49,394 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 17:13:49,394 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 17:13:49,394 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 17:13:49,396 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 17:13:49,397 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:13:49" (1/1) ... [2018-12-09 17:13:49,398 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cf0b28c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:13:49, skipping insertion in model container [2018-12-09 17:13:49,398 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:13:49" (1/1) ... [2018-12-09 17:13:49,402 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 17:13:49,427 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 17:13:49,603 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 17:13:49,606 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 17:13:49,689 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 17:13:49,698 INFO L195 MainTranslator]: Completed translation [2018-12-09 17:13:49,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:13:49 WrapperNode [2018-12-09 17:13:49,698 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 17:13:49,699 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 17:13:49,699 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 17:13:49,699 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 17:13:49,704 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:13:49" (1/1) ... [2018-12-09 17:13:49,712 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:13:49" (1/1) ... [2018-12-09 17:13:49,717 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 17:13:49,717 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 17:13:49,718 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 17:13:49,718 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 17:13:49,724 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:13:49" (1/1) ... [2018-12-09 17:13:49,724 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:13:49" (1/1) ... [2018-12-09 17:13:49,726 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:13:49" (1/1) ... [2018-12-09 17:13:49,726 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:13:49" (1/1) ... [2018-12-09 17:13:49,741 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:13:49" (1/1) ... [2018-12-09 17:13:49,747 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:13:49" (1/1) ... [2018-12-09 17:13:49,751 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:13:49" (1/1) ... [2018-12-09 17:13:49,754 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 17:13:49,755 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 17:13:49,755 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 17:13:49,755 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 17:13:49,755 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:13:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fe424a6e-6c36-45b1-8041-8ae573bf56d1/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 17:13:49,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 17:13:49,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 17:13:49,796 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-09 17:13:49,796 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-09 17:13:49,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 17:13:49,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 17:13:49,797 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 17:13:49,797 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 17:13:50,401 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 17:13:50,401 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-09 17:13:50,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:13:50 BoogieIcfgContainer [2018-12-09 17:13:50,402 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 17:13:50,403 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 17:13:50,403 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 17:13:50,406 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 17:13:50,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 05:13:49" (1/3) ... [2018-12-09 17:13:50,406 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e8ae111 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 05:13:50, skipping insertion in model container [2018-12-09 17:13:50,407 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:13:49" (2/3) ... [2018-12-09 17:13:50,407 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e8ae111 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 05:13:50, skipping insertion in model container [2018-12-09 17:13:50,407 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:13:50" (3/3) ... [2018-12-09 17:13:50,408 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label11_true-unreach-call.c [2018-12-09 17:13:50,417 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 17:13:50,424 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 17:13:50,437 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 17:13:50,457 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 17:13:50,457 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 17:13:50,457 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 17:13:50,457 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 17:13:50,458 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 17:13:50,458 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 17:13:50,458 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 17:13:50,458 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 17:13:50,471 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2018-12-09 17:13:50,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-09 17:13:50,477 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:13:50,477 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] [2018-12-09 17:13:50,479 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:13:50,482 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:13:50,482 INFO L82 PathProgramCache]: Analyzing trace with hash -1918215546, now seen corresponding path program 1 times [2018-12-09 17:13:50,484 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:13:50,514 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:13:50,514 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:13:50,514 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:13:50,514 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:13:50,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:13:50,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:13:50,673 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:13:50,673 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 17:13:50,673 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:13:50,677 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 17:13:50,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 17:13:50,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 17:13:50,687 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 3 states. [2018-12-09 17:13:51,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:13:51,152 INFO L93 Difference]: Finished difference Result 571 states and 989 transitions. [2018-12-09 17:13:51,152 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 17:13:51,153 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 67 [2018-12-09 17:13:51,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:13:51,163 INFO L225 Difference]: With dead ends: 571 [2018-12-09 17:13:51,163 INFO L226 Difference]: Without dead ends: 294 [2018-12-09 17:13:51,168 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 17:13:51,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2018-12-09 17:13:51,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 294. [2018-12-09 17:13:51,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2018-12-09 17:13:51,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 446 transitions. [2018-12-09 17:13:51,206 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 446 transitions. Word has length 67 [2018-12-09 17:13:51,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:13:51,207 INFO L480 AbstractCegarLoop]: Abstraction has 294 states and 446 transitions. [2018-12-09 17:13:51,207 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 17:13:51,207 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 446 transitions. [2018-12-09 17:13:51,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-12-09 17:13:51,211 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:13:51,212 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:13:51,212 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:13:51,212 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:13:51,213 INFO L82 PathProgramCache]: Analyzing trace with hash 2016512505, now seen corresponding path program 1 times [2018-12-09 17:13:51,213 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:13:51,214 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:13:51,214 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:13:51,214 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:13:51,214 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:13:51,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:13:51,384 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:13:51,385 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:13:51,385 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 17:13:51,385 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:13:51,386 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 17:13:51,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 17:13:51,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 17:13:51,386 INFO L87 Difference]: Start difference. First operand 294 states and 446 transitions. Second operand 5 states. [2018-12-09 17:13:51,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:13:51,946 INFO L93 Difference]: Finished difference Result 735 states and 1122 transitions. [2018-12-09 17:13:51,946 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 17:13:51,946 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 186 [2018-12-09 17:13:51,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:13:51,948 INFO L225 Difference]: With dead ends: 735 [2018-12-09 17:13:51,948 INFO L226 Difference]: Without dead ends: 447 [2018-12-09 17:13:51,949 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-12-09 17:13:51,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2018-12-09 17:13:51,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 443. [2018-12-09 17:13:51,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2018-12-09 17:13:51,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 634 transitions. [2018-12-09 17:13:51,963 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 634 transitions. Word has length 186 [2018-12-09 17:13:51,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:13:51,963 INFO L480 AbstractCegarLoop]: Abstraction has 443 states and 634 transitions. [2018-12-09 17:13:51,963 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 17:13:51,963 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 634 transitions. [2018-12-09 17:13:51,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-12-09 17:13:51,965 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:13:51,965 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:13:51,966 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:13:51,966 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:13:51,966 INFO L82 PathProgramCache]: Analyzing trace with hash 1760446162, now seen corresponding path program 1 times [2018-12-09 17:13:51,966 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:13:51,967 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:13:51,967 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:13:51,967 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:13:51,967 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:13:51,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:13:52,079 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:13:52,080 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:13:52,080 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 17:13:52,080 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:13:52,080 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 17:13:52,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 17:13:52,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 17:13:52,081 INFO L87 Difference]: Start difference. First operand 443 states and 634 transitions. Second operand 6 states. [2018-12-09 17:13:52,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:13:52,517 INFO L93 Difference]: Finished difference Result 1045 states and 1535 transitions. [2018-12-09 17:13:52,517 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 17:13:52,517 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 193 [2018-12-09 17:13:52,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:13:52,520 INFO L225 Difference]: With dead ends: 1045 [2018-12-09 17:13:52,520 INFO L226 Difference]: Without dead ends: 608 [2018-12-09 17:13:52,521 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-09 17:13:52,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 608 states. [2018-12-09 17:13:52,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 608 to 592. [2018-12-09 17:13:52,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2018-12-09 17:13:52,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 804 transitions. [2018-12-09 17:13:52,539 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 804 transitions. Word has length 193 [2018-12-09 17:13:52,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:13:52,540 INFO L480 AbstractCegarLoop]: Abstraction has 592 states and 804 transitions. [2018-12-09 17:13:52,540 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 17:13:52,540 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 804 transitions. [2018-12-09 17:13:52,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2018-12-09 17:13:52,544 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:13:52,544 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:13:52,545 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:13:52,545 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:13:52,545 INFO L82 PathProgramCache]: Analyzing trace with hash -1807493347, now seen corresponding path program 1 times [2018-12-09 17:13:52,545 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:13:52,546 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:13:52,546 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:13:52,546 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:13:52,546 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:13:52,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:13:52,905 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 188 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:13:52,905 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:13:52,905 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 17:13:52,906 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 257 with the following transitions: [2018-12-09 17:13:52,907 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [445], [447], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [694], [792], [796], [805], [809], [811], [816], [817], [818], [820], [821] [2018-12-09 17:13:52,932 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 17:13:52,932 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 17:13:53,482 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 17:13:53,482 INFO L272 AbstractInterpreter]: Visited 128 different actions 496 times. Merged at 6 different actions 17 times. Never widened. Performed 5322 root evaluator evaluations with a maximum evaluation depth of 15. Performed 5322 inverse root evaluator evaluations with a maximum inverse evaluation depth of 15. Found 4 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-09 17:13:53,493 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:13:53,494 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 17:13:53,494 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:13:53,494 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fe424a6e-6c36-45b1-8041-8ae573bf56d1/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 17:13:53,502 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:13:53,502 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 17:13:53,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:13:53,564 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 17:13:53,693 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 188 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:13:53,693 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 17:13:53,850 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 188 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:13:53,875 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 17:13:53,875 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 5, 5] total 17 [2018-12-09 17:13:53,875 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 17:13:53,876 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-12-09 17:13:53,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-12-09 17:13:53,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2018-12-09 17:13:53,876 INFO L87 Difference]: Start difference. First operand 592 states and 804 transitions. Second operand 16 states. [2018-12-09 17:13:56,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:13:56,429 INFO L93 Difference]: Finished difference Result 1717 states and 2642 transitions. [2018-12-09 17:13:56,430 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-12-09 17:13:56,430 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 256 [2018-12-09 17:13:56,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:13:56,436 INFO L225 Difference]: With dead ends: 1717 [2018-12-09 17:13:56,436 INFO L226 Difference]: Without dead ends: 1274 [2018-12-09 17:13:56,438 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 575 GetRequests, 522 SyntacticMatches, 3 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 656 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=613, Invalid=2039, Unknown=0, NotChecked=0, Total=2652 [2018-12-09 17:13:56,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1274 states. [2018-12-09 17:13:56,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1274 to 1047. [2018-12-09 17:13:56,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1047 states. [2018-12-09 17:13:56,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 1047 states and 1330 transitions. [2018-12-09 17:13:56,466 INFO L78 Accepts]: Start accepts. Automaton has 1047 states and 1330 transitions. Word has length 256 [2018-12-09 17:13:56,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:13:56,466 INFO L480 AbstractCegarLoop]: Abstraction has 1047 states and 1330 transitions. [2018-12-09 17:13:56,466 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-12-09 17:13:56,466 INFO L276 IsEmpty]: Start isEmpty. Operand 1047 states and 1330 transitions. [2018-12-09 17:13:56,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-12-09 17:13:56,469 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:13:56,469 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-09 17:13:56,469 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:13:56,469 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:13:56,469 INFO L82 PathProgramCache]: Analyzing trace with hash 854527778, now seen corresponding path program 1 times [2018-12-09 17:13:56,469 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:13:56,470 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:13:56,470 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:13:56,470 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:13:56,470 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:13:56,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:13:56,566 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 197 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:13:56,566 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:13:56,566 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 17:13:56,566 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 272 with the following transitions: [2018-12-09 17:13:56,566 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [445], [447], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [534], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [718], [792], [796], [805], [809], [811], [816], [817], [818], [820], [821] [2018-12-09 17:13:56,569 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 17:13:56,569 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 17:13:56,745 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 17:13:56,745 INFO L272 AbstractInterpreter]: Visited 134 different actions 265 times. Merged at 6 different actions 8 times. Never widened. Performed 2810 root evaluator evaluations with a maximum evaluation depth of 10. Performed 2810 inverse root evaluator evaluations with a maximum inverse evaluation depth of 10. Found 2 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-09 17:13:56,746 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:13:56,747 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 17:13:56,747 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:13:56,747 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fe424a6e-6c36-45b1-8041-8ae573bf56d1/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 17:13:56,754 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:13:56,754 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 17:13:56,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:13:56,808 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 17:13:56,870 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 197 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:13:56,871 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 17:13:56,957 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 197 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:13:56,982 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 17:13:56,982 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-12-09 17:13:56,982 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 17:13:56,982 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 17:13:56,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 17:13:56,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-12-09 17:13:56,983 INFO L87 Difference]: Start difference. First operand 1047 states and 1330 transitions. Second operand 9 states. [2018-12-09 17:13:57,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:13:57,969 INFO L93 Difference]: Finished difference Result 3217 states and 4619 transitions. [2018-12-09 17:13:57,969 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-09 17:13:57,970 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 271 [2018-12-09 17:13:57,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:13:57,974 INFO L225 Difference]: With dead ends: 3217 [2018-12-09 17:13:57,974 INFO L226 Difference]: Without dead ends: 1538 [2018-12-09 17:13:57,978 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 563 GetRequests, 545 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2018-12-09 17:13:57,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1538 states. [2018-12-09 17:13:58,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1538 to 1369. [2018-12-09 17:13:58,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1369 states. [2018-12-09 17:13:58,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1369 states to 1369 states and 1688 transitions. [2018-12-09 17:13:58,007 INFO L78 Accepts]: Start accepts. Automaton has 1369 states and 1688 transitions. Word has length 271 [2018-12-09 17:13:58,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:13:58,008 INFO L480 AbstractCegarLoop]: Abstraction has 1369 states and 1688 transitions. [2018-12-09 17:13:58,008 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 17:13:58,008 INFO L276 IsEmpty]: Start isEmpty. Operand 1369 states and 1688 transitions. [2018-12-09 17:13:58,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2018-12-09 17:13:58,010 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:13:58,010 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:13:58,010 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:13:58,010 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:13:58,010 INFO L82 PathProgramCache]: Analyzing trace with hash -550746410, now seen corresponding path program 1 times [2018-12-09 17:13:58,011 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:13:58,011 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:13:58,011 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:13:58,011 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:13:58,011 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:13:58,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:13:58,125 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 120 proven. 91 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 17:13:58,126 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:13:58,126 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 17:13:58,126 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 282 with the following transitions: [2018-12-09 17:13:58,126 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [445], [447], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [598], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [694], [792], [796], [805], [809], [811], [816], [817], [818], [820], [821] [2018-12-09 17:13:58,128 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 17:13:58,129 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 17:13:58,183 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 17:13:58,183 INFO L272 AbstractInterpreter]: Visited 124 different actions 124 times. Never merged. Never widened. Performed 1208 root evaluator evaluations with a maximum evaluation depth of 9. Performed 1208 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Never found a fixpoint. Largest state had 24 variables. [2018-12-09 17:13:58,184 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:13:58,184 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 17:13:58,402 INFO L227 lantSequenceWeakener]: Weakened 272 states. On average, predicates are now at 73.48% of their original sizes. [2018-12-09 17:13:58,402 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 17:13:58,425 INFO L418 sIntCurrentIteration]: We unified 280 AI predicates to 280 [2018-12-09 17:13:58,425 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 17:13:58,426 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 17:13:58,426 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-12-09 17:13:58,426 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:13:58,426 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 17:13:58,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 17:13:58,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 17:13:58,427 INFO L87 Difference]: Start difference. First operand 1369 states and 1688 transitions. Second operand 6 states. [2018-12-09 17:14:00,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:14:00,812 INFO L93 Difference]: Finished difference Result 2447 states and 3044 transitions. [2018-12-09 17:14:00,812 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 17:14:00,812 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 281 [2018-12-09 17:14:00,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:14:00,816 INFO L225 Difference]: With dead ends: 2447 [2018-12-09 17:14:00,816 INFO L226 Difference]: Without dead ends: 1370 [2018-12-09 17:14:00,819 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 281 GetRequests, 276 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-09 17:14:00,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1370 states. [2018-12-09 17:14:00,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1370 to 1369. [2018-12-09 17:14:00,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1369 states. [2018-12-09 17:14:00,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1369 states to 1369 states and 1677 transitions. [2018-12-09 17:14:00,854 INFO L78 Accepts]: Start accepts. Automaton has 1369 states and 1677 transitions. Word has length 281 [2018-12-09 17:14:00,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:14:00,854 INFO L480 AbstractCegarLoop]: Abstraction has 1369 states and 1677 transitions. [2018-12-09 17:14:00,854 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 17:14:00,854 INFO L276 IsEmpty]: Start isEmpty. Operand 1369 states and 1677 transitions. [2018-12-09 17:14:00,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-12-09 17:14:00,858 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:14:00,858 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:14:00,858 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:14:00,858 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:14:00,859 INFO L82 PathProgramCache]: Analyzing trace with hash 555019930, now seen corresponding path program 1 times [2018-12-09 17:14:00,859 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:14:00,859 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:14:00,859 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:14:00,859 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:14:00,860 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:14:00,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:14:00,987 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 121 proven. 46 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-12-09 17:14:00,987 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:14:00,987 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 17:14:00,988 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 308 with the following transitions: [2018-12-09 17:14:00,988 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [445], [447], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [718], [792], [796], [805], [809], [811], [816], [817], [818], [820], [821] [2018-12-09 17:14:00,990 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 17:14:00,990 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 17:14:01,085 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 17:14:01,085 INFO L272 AbstractInterpreter]: Visited 133 different actions 260 times. Merged at 4 different actions 4 times. Never widened. Performed 2717 root evaluator evaluations with a maximum evaluation depth of 13. Performed 2717 inverse root evaluator evaluations with a maximum inverse evaluation depth of 13. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-09 17:14:01,086 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:14:01,086 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 17:14:01,313 INFO L227 lantSequenceWeakener]: Weakened 304 states. On average, predicates are now at 78.47% of their original sizes. [2018-12-09 17:14:01,313 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 17:14:01,356 INFO L418 sIntCurrentIteration]: We unified 306 AI predicates to 306 [2018-12-09 17:14:01,356 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 17:14:01,356 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 17:14:01,357 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-09 17:14:01,357 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:14:01,357 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 17:14:01,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 17:14:01,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 17:14:01,357 INFO L87 Difference]: Start difference. First operand 1369 states and 1677 transitions. Second operand 10 states. [2018-12-09 17:14:12,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:14:12,341 INFO L93 Difference]: Finished difference Result 2462 states and 3051 transitions. [2018-12-09 17:14:12,341 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-09 17:14:12,341 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 307 [2018-12-09 17:14:12,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:14:12,344 INFO L225 Difference]: With dead ends: 2462 [2018-12-09 17:14:12,344 INFO L226 Difference]: Without dead ends: 1385 [2018-12-09 17:14:12,346 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 317 GetRequests, 298 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2018-12-09 17:14:12,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1385 states. [2018-12-09 17:14:12,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1385 to 1341. [2018-12-09 17:14:12,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1341 states. [2018-12-09 17:14:12,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1341 states to 1341 states and 1525 transitions. [2018-12-09 17:14:12,364 INFO L78 Accepts]: Start accepts. Automaton has 1341 states and 1525 transitions. Word has length 307 [2018-12-09 17:14:12,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:14:12,364 INFO L480 AbstractCegarLoop]: Abstraction has 1341 states and 1525 transitions. [2018-12-09 17:14:12,364 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 17:14:12,364 INFO L276 IsEmpty]: Start isEmpty. Operand 1341 states and 1525 transitions. [2018-12-09 17:14:12,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2018-12-09 17:14:12,366 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:14:12,367 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:14:12,367 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:14:12,367 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:14:12,367 INFO L82 PathProgramCache]: Analyzing trace with hash 348873925, now seen corresponding path program 1 times [2018-12-09 17:14:12,367 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:14:12,368 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:14:12,368 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:14:12,368 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:14:12,368 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:14:12,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:14:12,772 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 311 proven. 138 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:14:12,772 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:14:12,772 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 17:14:12,772 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 379 with the following transitions: [2018-12-09 17:14:12,773 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [445], [447], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [526], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [679], [683], [687], [691], [694], [792], [796], [805], [809], [811], [816], [817], [818], [820], [821] [2018-12-09 17:14:12,775 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 17:14:12,775 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 17:14:13,018 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 17:14:13,018 INFO L272 AbstractInterpreter]: Visited 129 different actions 386 times. Merged at 7 different actions 21 times. Never widened. Performed 4151 root evaluator evaluations with a maximum evaluation depth of 15. Performed 4151 inverse root evaluator evaluations with a maximum inverse evaluation depth of 15. Found 5 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-09 17:14:13,020 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:14:13,020 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 17:14:13,020 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:14:13,020 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fe424a6e-6c36-45b1-8041-8ae573bf56d1/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 17:14:13,026 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:14:13,026 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 17:14:13,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:14:13,072 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 17:14:18,445 WARN L180 SmtUtils]: Spent 5.30 s on a formula simplification. DAG size of input: 90 DAG size of output: 47 [2018-12-09 17:14:18,599 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 386 proven. 2 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-12-09 17:14:18,600 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 17:14:18,881 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:18,916 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 26 [2018-12-09 17:14:19,032 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:19,071 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:19,115 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:19,162 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:19,202 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:19,244 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:19,282 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:19,320 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:19,357 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:19,395 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:19,438 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:19,481 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:19,522 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:19,564 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:19,604 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:19,646 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:19,685 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:19,724 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:19,767 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:19,806 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:19,844 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:19,882 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:19,921 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:19,962 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:20,010 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:20,049 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:20,087 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:20,131 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:20,175 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:20,215 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:20,259 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:20,299 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:20,336 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:20,373 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:20,413 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:20,454 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:20,492 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:20,532 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:20,583 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:20,622 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:20,661 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:20,702 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:20,743 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:20,781 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:20,820 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:20,860 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:20,897 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:20,936 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:20,978 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:21,015 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:21,054 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:21,091 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:21,125 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:21,162 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:21,199 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:21,238 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:21,279 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:21,318 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:21,358 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:21,400 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:21,439 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:21,484 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:21,523 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:21,568 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:21,613 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:21,652 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:21,702 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:21,747 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:21,784 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:21,830 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:21,877 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:21,917 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:21,961 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:22,003 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:22,041 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:22,080 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:22,118 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:22,158 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:22,196 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:22,234 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:22,273 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:22,314 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:22,355 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:22,400 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:22,441 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:22,485 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:22,523 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:22,560 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:22,596 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:22,632 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:22,674 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:22,712 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:22,752 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:22,794 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:22,837 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:22,878 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:22,919 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:22,961 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:23,000 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:23,042 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:23,083 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:23,124 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:23,162 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:23,199 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:23,238 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:23,275 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:23,314 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:23,353 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 17:14:23,775 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 185 proven. 260 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 17:14:23,790 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 17:14:23,790 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 8, 8] total 28 [2018-12-09 17:14:23,790 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 17:14:23,791 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-12-09 17:14:23,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-12-09 17:14:23,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=645, Unknown=0, NotChecked=0, Total=756 [2018-12-09 17:14:23,791 INFO L87 Difference]: Start difference. First operand 1341 states and 1525 transitions. Second operand 23 states. [2018-12-09 17:14:27,191 WARN L180 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 68 DAG size of output: 38 [2018-12-09 17:14:29,223 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 41 [2018-12-09 17:14:36,656 WARN L180 SmtUtils]: Spent 7.03 s on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2018-12-09 17:14:41,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:14:41,834 INFO L93 Difference]: Finished difference Result 4987 states and 6307 transitions. [2018-12-09 17:14:41,835 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2018-12-09 17:14:41,835 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 378 [2018-12-09 17:14:41,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:14:41,845 INFO L225 Difference]: With dead ends: 4987 [2018-12-09 17:14:41,845 INFO L226 Difference]: Without dead ends: 3648 [2018-12-09 17:14:41,851 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 875 GetRequests, 651 SyntacticMatches, 113 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6420 ImplicationChecksByTransitivity, 22.1s TimeCoverageRelationStatistics Valid=2388, Invalid=10268, Unknown=0, NotChecked=0, Total=12656 [2018-12-09 17:14:41,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3648 states. [2018-12-09 17:14:41,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3648 to 3276. [2018-12-09 17:14:41,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3276 states. [2018-12-09 17:14:41,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3276 states to 3276 states and 3912 transitions. [2018-12-09 17:14:41,929 INFO L78 Accepts]: Start accepts. Automaton has 3276 states and 3912 transitions. Word has length 378 [2018-12-09 17:14:41,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:14:41,929 INFO L480 AbstractCegarLoop]: Abstraction has 3276 states and 3912 transitions. [2018-12-09 17:14:41,929 INFO L481 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-12-09 17:14:41,929 INFO L276 IsEmpty]: Start isEmpty. Operand 3276 states and 3912 transitions. [2018-12-09 17:14:41,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2018-12-09 17:14:41,936 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:14:41,936 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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] [2018-12-09 17:14:41,936 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:14:41,936 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:14:41,937 INFO L82 PathProgramCache]: Analyzing trace with hash -1039577823, now seen corresponding path program 1 times [2018-12-09 17:14:41,937 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:14:41,937 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:14:41,937 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:14:41,937 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:14:41,937 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:14:41,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:14:42,066 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2018-12-09 17:14:42,066 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:14:42,066 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 17:14:42,066 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:14:42,067 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 17:14:42,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 17:14:42,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-09 17:14:42,067 INFO L87 Difference]: Start difference. First operand 3276 states and 3912 transitions. Second operand 4 states. [2018-12-09 17:14:42,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:14:42,467 INFO L93 Difference]: Finished difference Result 6256 states and 7510 transitions. [2018-12-09 17:14:42,468 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 17:14:42,468 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 392 [2018-12-09 17:14:42,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:14:42,468 INFO L225 Difference]: With dead ends: 6256 [2018-12-09 17:14:42,468 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 17:14:42,474 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-09 17:14:42,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 17:14:42,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 17:14:42,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 17:14:42,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 17:14:42,474 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 392 [2018-12-09 17:14:42,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:14:42,475 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 17:14:42,475 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 17:14:42,475 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 17:14:42,475 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 17:14:42,479 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 17:14:42,594 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:14:42,601 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:14:42,611 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:14:42,616 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:14:42,618 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:14:42,655 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:14:42,685 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:14:42,692 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:14:42,704 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:14:42,710 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:14:42,714 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:14:43,112 WARN L180 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 55 [2018-12-09 17:14:43,361 WARN L180 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 55 [2018-12-09 17:14:43,562 WARN L180 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 48 [2018-12-09 17:14:43,563 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 17:14:43,563 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a19~0 |old(~a19~0)|) (= |old(~a10~0)| ~a10~0) (= ~a1~0 |old(~a1~0)|)) [2018-12-09 17:14:43,563 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 17:14:43,563 INFO L448 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-12-09 17:14:43,563 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 17:14:43,563 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 17:14:43,563 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 17:14:43,563 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 17:14:43,564 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 17:14:43,564 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 17:14:43,564 INFO L448 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-12-09 17:14:43,564 INFO L448 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-12-09 17:14:43,564 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-12-09 17:14:43,564 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-12-09 17:14:43,564 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-12-09 17:14:43,564 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-12-09 17:14:43,564 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-12-09 17:14:43,564 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-12-09 17:14:43,564 INFO L448 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-12-09 17:14:43,564 INFO L448 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-12-09 17:14:43,564 INFO L448 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-12-09 17:14:43,564 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 17:14:43,564 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 17:14:43,564 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 17:14:43,564 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 17:14:43,564 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 17:14:43,564 INFO L448 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-12-09 17:14:43,564 INFO L448 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-12-09 17:14:43,564 INFO L448 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-12-09 17:14:43,564 INFO L448 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-12-09 17:14:43,564 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-12-09 17:14:43,564 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-09 17:14:43,564 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-12-09 17:14:43,565 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-12-09 17:14:43,565 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-12-09 17:14:43,565 INFO L448 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-12-09 17:14:43,565 INFO L448 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-12-09 17:14:43,565 INFO L448 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-12-09 17:14:43,565 INFO L448 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-12-09 17:14:43,565 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-12-09 17:14:43,565 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 17:14:43,565 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 17:14:43,565 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 17:14:43,565 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 17:14:43,565 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 17:14:43,565 INFO L448 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-12-09 17:14:43,565 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-12-09 17:14:43,565 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-12-09 17:14:43,565 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-12-09 17:14:43,565 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-12-09 17:14:43,566 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-12-09 17:14:43,566 INFO L448 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-12-09 17:14:43,566 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-12-09 17:14:43,566 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-12-09 17:14:43,566 INFO L448 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-12-09 17:14:43,566 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 17:14:43,566 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 17:14:43,566 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 17:14:43,566 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 17:14:43,566 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 17:14:43,566 INFO L448 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-12-09 17:14:43,566 INFO L448 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-12-09 17:14:43,566 INFO L448 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-12-09 17:14:43,566 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-12-09 17:14:43,566 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-12-09 17:14:43,567 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-12-09 17:14:43,567 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-12-09 17:14:43,567 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-12-09 17:14:43,567 INFO L448 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-12-09 17:14:43,567 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-12-09 17:14:43,567 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-12-09 17:14:43,567 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-12-09 17:14:43,567 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-12-09 17:14:43,567 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 17:14:43,567 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 17:14:43,567 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 17:14:43,567 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 17:14:43,567 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 17:14:43,567 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-12-09 17:14:43,567 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-12-09 17:14:43,568 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-12-09 17:14:43,568 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-12-09 17:14:43,568 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-12-09 17:14:43,568 INFO L448 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-12-09 17:14:43,568 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-12-09 17:14:43,568 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-12-09 17:14:43,568 INFO L448 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-12-09 17:14:43,568 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 17:14:43,568 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 17:14:43,568 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 17:14:43,568 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 17:14:43,568 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 17:14:43,568 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2018-12-09 17:14:43,568 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2018-12-09 17:14:43,568 INFO L448 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-12-09 17:14:43,569 INFO L448 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-12-09 17:14:43,569 INFO L448 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-12-09 17:14:43,569 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-12-09 17:14:43,569 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-12-09 17:14:43,569 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-12-09 17:14:43,569 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-12-09 17:14:43,569 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-12-09 17:14:43,569 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-12-09 17:14:43,569 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-12-09 17:14:43,569 INFO L448 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-12-09 17:14:43,569 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-12-09 17:14:43,569 INFO L448 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-12-09 17:14:43,569 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 17:14:43,569 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 17:14:43,569 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 17:14:43,570 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 17:14:43,570 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-12-09 17:14:43,570 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 17:14:43,570 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2018-12-09 17:14:43,570 INFO L448 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-12-09 17:14:43,570 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-12-09 17:14:43,570 INFO L448 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-12-09 17:14:43,570 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-12-09 17:14:43,570 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-09 17:14:43,570 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-12-09 17:14:43,570 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-12-09 17:14:43,570 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-12-09 17:14:43,570 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-12-09 17:14:43,570 INFO L448 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-12-09 17:14:43,571 INFO L448 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-12-09 17:14:43,571 INFO L448 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-12-09 17:14:43,571 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-12-09 17:14:43,571 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 17:14:43,571 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 17:14:43,571 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 17:14:43,571 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 17:14:43,571 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 17:14:43,571 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 17:14:43,571 INFO L448 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-12-09 17:14:43,571 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-12-09 17:14:43,571 INFO L448 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-12-09 17:14:43,571 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-12-09 17:14:43,571 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-12-09 17:14:43,571 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-12-09 17:14:43,571 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-12-09 17:14:43,571 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-12-09 17:14:43,571 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-12-09 17:14:43,571 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-12-09 17:14:43,571 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-12-09 17:14:43,572 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse12 (= ~a1~0 |old(~a1~0)|)) (.cse10 (= ~a19~0 |old(~a19~0)|)) (.cse11 (= |old(~a10~0)| ~a10~0))) (let ((.cse3 (< 2 |old(~a10~0)|)) (.cse5 (not (= 4 |old(~a10~0)|))) (.cse7 (and .cse12 .cse10 .cse11)) (.cse8 (not (= 9 |old(~a19~0)|))) (.cse9 (= |calculate_output_#in~input| 0)) (.cse0 (and .cse10 .cse11 .cse12)) (.cse6 (< 8 |old(~a19~0)|)) (.cse1 (not (= 14 ~a4~0))) (.cse2 (not (= 0 ~a12~0))) (.cse4 (= 1 |old(~a10~0)|))) (and (or .cse0 (or .cse1 .cse2 .cse3 .cse4)) (or .cse0 .cse5 .cse6 .cse1 .cse2) (or .cse1 .cse2 (= 6 |old(~a19~0)|) .cse3 .cse0) (or .cse7 .cse5 .cse1 .cse2 .cse8 .cse9) (or .cse7 .cse1 .cse2 .cse8 .cse9 (not (= 3 |old(~a10~0)|))) (or (not (= 8 |old(~a19~0)|)) .cse1 .cse2 .cse0) (or .cse0 .cse6 .cse1 .cse2 (<= (+ |old(~a1~0)| 13) 0) .cse4)))) [2018-12-09 17:14:43,572 INFO L448 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-12-09 17:14:43,572 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-12-09 17:14:43,572 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-12-09 17:14:43,572 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 17:14:43,572 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 17:14:43,572 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 17:14:43,572 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 17:14:43,572 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 17:14:43,572 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 17:14:43,572 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 187) no Hoare annotation was computed. [2018-12-09 17:14:43,572 INFO L448 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-12-09 17:14:43,572 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-12-09 17:14:43,572 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-12-09 17:14:43,572 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-12-09 17:14:43,572 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-12-09 17:14:43,572 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-12-09 17:14:43,572 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-12-09 17:14:43,572 INFO L448 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-12-09 17:14:43,572 INFO L448 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-12-09 17:14:43,572 INFO L448 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-12-09 17:14:43,572 INFO L448 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-12-09 17:14:43,572 INFO L448 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-12-09 17:14:43,573 INFO L448 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-12-09 17:14:43,573 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 17:14:43,573 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 17:14:43,573 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 17:14:43,573 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 17:14:43,573 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 17:14:43,573 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 17:14:43,573 INFO L448 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-12-09 17:14:43,573 INFO L448 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-12-09 17:14:43,573 INFO L448 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-12-09 17:14:43,573 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-12-09 17:14:43,573 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-12-09 17:14:43,573 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-09 17:14:43,573 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-12-09 17:14:43,573 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-12-09 17:14:43,573 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-12-09 17:14:43,573 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-12-09 17:14:43,573 INFO L448 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-12-09 17:14:43,573 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-12-09 17:14:43,573 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 17:14:43,573 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 17:14:43,573 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 17:14:43,573 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 17:14:43,573 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 17:14:43,574 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 17:14:43,574 INFO L448 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-12-09 17:14:43,574 INFO L448 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-12-09 17:14:43,574 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-12-09 17:14:43,574 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-12-09 17:14:43,574 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-12-09 17:14:43,574 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-12-09 17:14:43,574 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-12-09 17:14:43,574 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-12-09 17:14:43,574 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-12-09 17:14:43,574 INFO L448 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-12-09 17:14:43,574 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-12-09 17:14:43,574 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-12-09 17:14:43,574 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 17:14:43,574 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a10~0 0) (= ~a12~0 0) (= ~a1~0 23) (= ~a4~0 14) (= 9 ~a19~0)) [2018-12-09 17:14:43,574 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 17:14:43,574 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 17:14:43,574 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (and (= ~a1~0 23) (= ~a19~0 |old(~a19~0)|) (= |old(~a10~0)| ~a10~0)) (not (= 14 ~a4~0)) (not (= 0 ~a12~0)) (not (= 9 |old(~a19~0)|)) (not (= 23 |old(~a1~0)|)) (not (= 0 |old(~a10~0)|))) [2018-12-09 17:14:43,574 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2018-12-09 17:14:43,574 INFO L444 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (let ((.cse1 (= 4 ~a10~0)) (.cse0 (<= ~a19~0 8)) (.cse2 (and (not (= main_~input~0 0)) (= ~a12~0 0) (= ~a4~0 14))) (.cse3 (= 9 ~a19~0)) (.cse4 (not (= ~a10~0 1))) (.cse5 (<= ~a10~0 2))) (or (and .cse0 .cse1) (not (= 23 |old(~a1~0)|)) (and .cse1 (and .cse2 .cse3)) (= 8 ~a19~0) (not (= 0 ~a12~0)) (not (= 9 |old(~a19~0)|)) (not (= 0 |old(~a10~0)|)) (not (= 14 ~a4~0)) (and .cse0 .cse4 (< 0 (+ ~a1~0 13))) (and (= 3 ~a10~0) .cse2 .cse3) (and .cse5 .cse4) (and (not (= ~a19~0 6)) .cse5))) [2018-12-09 17:14:43,574 INFO L448 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2018-12-09 17:14:43,574 INFO L448 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-12-09 17:14:43,575 INFO L444 ceAbstractionStarter]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (= 4 ~a10~0)) (.cse1 (= 9 ~a19~0)) (.cse2 (<= ~a19~0 8)) (.cse3 (not (= ~a10~0 1))) (.cse4 (<= ~a10~0 2))) (or (and .cse0 .cse1) (and .cse2 .cse0) (not (= 23 |old(~a1~0)|)) (= 8 ~a19~0) (not (= 0 ~a12~0)) (not (= 9 |old(~a19~0)|)) (not (= 0 |old(~a10~0)|)) (not (= 14 ~a4~0)) (and (= 3 ~a10~0) .cse1) (and .cse2 .cse3 (< 0 (+ ~a1~0 13))) (and .cse4 .cse3) (and (not (= ~a19~0 6)) .cse4))) [2018-12-09 17:14:43,575 INFO L448 ceAbstractionStarter]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2018-12-09 17:14:43,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 05:14:43 BoogieIcfgContainer [2018-12-09 17:14:43,582 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 17:14:43,583 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 17:14:43,583 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 17:14:43,583 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 17:14:43,583 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:13:50" (3/4) ... [2018-12-09 17:14:43,586 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 17:14:43,590 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 17:14:43,591 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-09 17:14:43,591 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 17:14:43,599 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-09 17:14:43,599 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 17:14:43,620 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((4 == a10 && 9 == a19) || (a19 <= 8 && 4 == a10)) || !(23 == \old(a1))) || 8 == a19) || !(0 == a12)) || !(9 == \old(a19))) || !(0 == \old(a10))) || !(14 == a4)) || (3 == a10 && 9 == a19)) || ((a19 <= 8 && !(a10 == 1)) && 0 < a1 + 13)) || (a10 <= 2 && !(a10 == 1))) || (!(a19 == 6) && a10 <= 2) [2018-12-09 17:14:43,679 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_fe424a6e-6c36-45b1-8041-8ae573bf56d1/bin-2019/utaipan/witness.graphml [2018-12-09 17:14:43,679 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 17:14:43,680 INFO L168 Benchmark]: Toolchain (without parser) took 54286.39 ms. Allocated memory was 1.0 GB in the beginning and 3.8 GB in the end (delta: 2.8 GB). Free memory was 948.1 MB in the beginning and 1.8 GB in the end (delta: -858.6 MB). Peak memory consumption was 2.0 GB. Max. memory is 11.5 GB. [2018-12-09 17:14:43,680 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 17:14:43,680 INFO L168 Benchmark]: CACSL2BoogieTranslator took 303.99 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -149.7 MB). Peak memory consumption was 32.6 MB. Max. memory is 11.5 GB. [2018-12-09 17:14:43,680 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.73 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 17:14:43,681 INFO L168 Benchmark]: Boogie Preprocessor took 36.96 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-12-09 17:14:43,681 INFO L168 Benchmark]: RCFGBuilder took 647.40 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 992.0 MB in the end (delta: 98.7 MB). Peak memory consumption was 98.7 MB. Max. memory is 11.5 GB. [2018-12-09 17:14:43,681 INFO L168 Benchmark]: TraceAbstraction took 53179.76 ms. Allocated memory was 1.1 GB in the beginning and 3.8 GB in the end (delta: 2.7 GB). Free memory was 992.0 MB in the beginning and 1.8 GB in the end (delta: -814.7 MB). Peak memory consumption was 1.9 GB. Max. memory is 11.5 GB. [2018-12-09 17:14:43,681 INFO L168 Benchmark]: Witness Printer took 96.24 ms. Allocated memory is still 3.8 GB. Free memory is still 1.8 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 17:14:43,682 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 303.99 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -149.7 MB). Peak memory consumption was 32.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.73 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.96 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 647.40 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 992.0 MB in the end (delta: 98.7 MB). Peak memory consumption was 98.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 53179.76 ms. Allocated memory was 1.1 GB in the beginning and 3.8 GB in the end (delta: 2.7 GB). Free memory was 992.0 MB in the beginning and 1.8 GB in the end (delta: -814.7 MB). Peak memory consumption was 1.9 GB. Max. memory is 11.5 GB. * Witness Printer took 96.24 ms. Allocated memory is still 3.8 GB. Free memory is still 1.8 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 187]: 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: 582]: Loop Invariant Derived loop invariant: (((((((((((4 == a10 && 9 == a19) || (a19 <= 8 && 4 == a10)) || !(23 == \old(a1))) || 8 == a19) || !(0 == a12)) || !(9 == \old(a19))) || !(0 == \old(a10))) || !(14 == a4)) || (3 == a10 && 9 == a19)) || ((a19 <= 8 && !(a10 == 1)) && 0 < a1 + 13)) || (a10 <= 2 && !(a10 == 1))) || (!(a19 == 6) && a10 <= 2) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. SAFE Result, 53.1s OverallTime, 9 OverallIterations, 4 TraceHistogramMax, 36.8s AutomataDifference, 0.0s DeadEndRemovalTime, 1.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 377 SDtfs, 10774 SDslu, 823 SDs, 0 SdLazy, 14207 SolverSat, 3789 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 19.2s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 2640 GetRequests, 2302 SyntacticMatches, 121 SemanticMatches, 217 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7192 ImplicationChecksByTransitivity, 23.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3276occurred in iteration=8, 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, 0.9976487347446995 AbsIntWeakeningRatio, 0.08873720136518772 AbsIntAvgWeakeningVarsNumRemoved, 14.651877133105803 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 833 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 117 PreInvPairs, 195 NumberOfFragments, 425 HoareAnnotationTreeSize, 117 FomulaSimplifications, 22807 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 12408 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 12.0s InterpolantComputationTime, 3236 NumberOfCodeBlocks, 3236 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 4126 ConstructedInterpolants, 124 QuantifiedInterpolants, 9275912 SizeOfPredicates, 2 NumberOfNonLiveVariables, 1464 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 15 InterpolantComputations, 4 PerfectInterpolantSequences, 3000/3549 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...