./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label26_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_687f69e3-cb70-4369-857b-428f90abefad/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_687f69e3-cb70-4369-857b-428f90abefad/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_687f69e3-cb70-4369-857b-428f90abefad/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_687f69e3-cb70-4369-857b-428f90abefad/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label26_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_687f69e3-cb70-4369-857b-428f90abefad/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_687f69e3-cb70-4369-857b-428f90abefad/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 ec64944e15cde20ad15af2bd0f0e78efc8184588 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 16:45:21,437 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 16:45:21,438 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 16:45:21,445 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 16:45:21,446 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 16:45:21,447 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 16:45:21,447 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 16:45:21,449 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 16:45:21,450 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 16:45:21,450 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 16:45:21,451 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 16:45:21,451 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 16:45:21,452 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 16:45:21,452 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 16:45:21,453 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 16:45:21,454 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 16:45:21,454 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 16:45:21,456 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 16:45:21,457 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 16:45:21,458 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 16:45:21,459 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 16:45:21,460 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 16:45:21,461 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 16:45:21,461 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 16:45:21,461 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 16:45:21,462 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 16:45:21,463 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 16:45:21,463 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 16:45:21,464 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 16:45:21,465 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 16:45:21,465 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 16:45:21,465 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 16:45:21,465 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 16:45:21,465 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 16:45:21,466 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 16:45:21,467 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 16:45:21,467 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_687f69e3-cb70-4369-857b-428f90abefad/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 16:45:21,476 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 16:45:21,476 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 16:45:21,476 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 16:45:21,476 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 16:45:21,477 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 16:45:21,477 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 16:45:21,477 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 16:45:21,477 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 16:45:21,477 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 16:45:21,477 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 16:45:21,477 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 16:45:21,478 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 16:45:21,478 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 16:45:21,478 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 16:45:21,479 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 16:45:21,479 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 16:45:21,479 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 16:45:21,479 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 16:45:21,479 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 16:45:21,479 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 16:45:21,479 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 16:45:21,480 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 16:45:21,480 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 16:45:21,480 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 16:45:21,480 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 16:45:21,480 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 16:45:21,480 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 16:45:21,481 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 16:45:21,481 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 16:45:21,481 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 16:45:21,481 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 16:45:21,481 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 16:45:21,481 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 16:45:21,481 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 16:45:21,481 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 16:45:21,482 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 16:45:21,482 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_687f69e3-cb70-4369-857b-428f90abefad/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 -> ec64944e15cde20ad15af2bd0f0e78efc8184588 [2018-12-09 16:45:21,504 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 16:45:21,511 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 16:45:21,513 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 16:45:21,514 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 16:45:21,514 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 16:45:21,514 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_687f69e3-cb70-4369-857b-428f90abefad/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label26_true-unreach-call_false-termination.c [2018-12-09 16:45:21,548 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_687f69e3-cb70-4369-857b-428f90abefad/bin-2019/utaipan/data/3eff45856/7faadddf170547c88eb06bbce03170f7/FLAG39f1f4c24 [2018-12-09 16:45:21,966 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 16:45:21,967 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_687f69e3-cb70-4369-857b-428f90abefad/sv-benchmarks/c/eca-rers2012/Problem02_label26_true-unreach-call_false-termination.c [2018-12-09 16:45:21,973 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_687f69e3-cb70-4369-857b-428f90abefad/bin-2019/utaipan/data/3eff45856/7faadddf170547c88eb06bbce03170f7/FLAG39f1f4c24 [2018-12-09 16:45:21,982 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_687f69e3-cb70-4369-857b-428f90abefad/bin-2019/utaipan/data/3eff45856/7faadddf170547c88eb06bbce03170f7 [2018-12-09 16:45:21,983 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 16:45:21,984 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 16:45:21,985 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 16:45:21,985 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 16:45:21,987 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 16:45:21,988 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:45:21" (1/1) ... [2018-12-09 16:45:21,990 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2caf47c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:45:21, skipping insertion in model container [2018-12-09 16:45:21,990 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:45:21" (1/1) ... [2018-12-09 16:45:21,994 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 16:45:22,023 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 16:45:22,205 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 16:45:22,208 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 16:45:22,311 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 16:45:22,322 INFO L195 MainTranslator]: Completed translation [2018-12-09 16:45:22,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:45:22 WrapperNode [2018-12-09 16:45:22,322 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 16:45:22,323 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 16:45:22,323 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 16:45:22,323 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 16:45:22,328 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:45:22" (1/1) ... [2018-12-09 16:45:22,339 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:45:22" (1/1) ... [2018-12-09 16:45:22,345 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 16:45:22,345 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 16:45:22,345 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 16:45:22,345 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 16:45:22,351 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:45:22" (1/1) ... [2018-12-09 16:45:22,351 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:45:22" (1/1) ... [2018-12-09 16:45:22,354 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:45:22" (1/1) ... [2018-12-09 16:45:22,355 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:45:22" (1/1) ... [2018-12-09 16:45:22,376 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:45:22" (1/1) ... [2018-12-09 16:45:22,387 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:45:22" (1/1) ... [2018-12-09 16:45:22,390 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:45:22" (1/1) ... [2018-12-09 16:45:22,393 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 16:45:22,394 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 16:45:22,394 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 16:45:22,394 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 16:45:22,395 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:45:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_687f69e3-cb70-4369-857b-428f90abefad/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 16:45:22,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 16:45:22,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 16:45:22,431 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-09 16:45:22,431 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-09 16:45:22,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 16:45:22,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 16:45:22,431 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 16:45:22,431 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 16:45:22,951 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 16:45:22,952 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-09 16:45:22,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:45:22 BoogieIcfgContainer [2018-12-09 16:45:22,952 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 16:45:22,953 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 16:45:22,953 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 16:45:22,956 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 16:45:22,956 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 04:45:21" (1/3) ... [2018-12-09 16:45:22,957 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3461c91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 04:45:22, skipping insertion in model container [2018-12-09 16:45:22,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:45:22" (2/3) ... [2018-12-09 16:45:22,957 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3461c91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 04:45:22, skipping insertion in model container [2018-12-09 16:45:22,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:45:22" (3/3) ... [2018-12-09 16:45:22,958 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label26_true-unreach-call_false-termination.c [2018-12-09 16:45:22,964 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 16:45:22,970 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 16:45:22,982 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 16:45:23,005 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 16:45:23,005 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 16:45:23,005 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 16:45:23,005 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 16:45:23,006 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 16:45:23,006 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 16:45:23,006 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 16:45:23,006 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 16:45:23,024 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2018-12-09 16:45:23,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-09 16:45:23,033 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:45:23,034 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:45:23,035 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:45:23,039 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:45:23,040 INFO L82 PathProgramCache]: Analyzing trace with hash 2085668238, now seen corresponding path program 1 times [2018-12-09 16:45:23,041 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 16:45:23,070 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:45:23,070 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:45:23,070 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:45:23,070 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 16:45:23,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:45:23,352 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 16:45:23,353 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 16:45:23,353 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 16:45:23,354 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 16:45:23,357 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 16:45:23,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 16:45:23,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 16:45:23,367 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2018-12-09 16:45:23,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:45:23,804 INFO L93 Difference]: Finished difference Result 615 states and 1053 transitions. [2018-12-09 16:45:23,804 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 16:45:23,805 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2018-12-09 16:45:23,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:45:23,813 INFO L225 Difference]: With dead ends: 615 [2018-12-09 16:45:23,814 INFO L226 Difference]: Without dead ends: 317 [2018-12-09 16:45:23,817 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 16:45:23,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2018-12-09 16:45:23,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 317. [2018-12-09 16:45:23,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 317 states. [2018-12-09 16:45:23,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 478 transitions. [2018-12-09 16:45:23,857 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 478 transitions. Word has length 142 [2018-12-09 16:45:23,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:45:23,858 INFO L480 AbstractCegarLoop]: Abstraction has 317 states and 478 transitions. [2018-12-09 16:45:23,858 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 16:45:23,858 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 478 transitions. [2018-12-09 16:45:23,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-09 16:45:23,862 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:45:23,862 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:45:23,862 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:45:23,863 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:45:23,863 INFO L82 PathProgramCache]: Analyzing trace with hash -2119639181, now seen corresponding path program 1 times [2018-12-09 16:45:23,863 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 16:45:23,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:45:23,864 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:45:23,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:45:23,864 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 16:45:23,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:45:23,982 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:45:23,982 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 16:45:23,982 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 16:45:23,982 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 16:45:23,984 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 16:45:23,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 16:45:23,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 16:45:23,984 INFO L87 Difference]: Start difference. First operand 317 states and 478 transitions. Second operand 6 states. [2018-12-09 16:45:24,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:45:24,437 INFO L93 Difference]: Finished difference Result 962 states and 1500 transitions. [2018-12-09 16:45:24,437 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 16:45:24,437 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 157 [2018-12-09 16:45:24,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:45:24,442 INFO L225 Difference]: With dead ends: 962 [2018-12-09 16:45:24,442 INFO L226 Difference]: Without dead ends: 651 [2018-12-09 16:45:24,444 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 16:45:24,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 651 states. [2018-12-09 16:45:24,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 651 to 625. [2018-12-09 16:45:24,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 625 states. [2018-12-09 16:45:24,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 924 transitions. [2018-12-09 16:45:24,473 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 924 transitions. Word has length 157 [2018-12-09 16:45:24,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:45:24,473 INFO L480 AbstractCegarLoop]: Abstraction has 625 states and 924 transitions. [2018-12-09 16:45:24,473 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 16:45:24,473 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 924 transitions. [2018-12-09 16:45:24,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-12-09 16:45:24,477 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:45:24,477 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:45:24,478 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:45:24,478 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:45:24,478 INFO L82 PathProgramCache]: Analyzing trace with hash 105434168, now seen corresponding path program 1 times [2018-12-09 16:45:24,478 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 16:45:24,479 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:45:24,480 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:45:24,480 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:45:24,480 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 16:45:24,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:45:24,573 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-09 16:45:24,573 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:45:24,574 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 16:45:24,574 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 166 with the following transitions: [2018-12-09 16:45:24,576 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [811], [815], [817], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 16:45:24,602 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 16:45:24,602 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 16:45:24,843 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 16:45:24,844 INFO L272 AbstractInterpreter]: Visited 143 different actions 143 times. Never merged. Never widened. Performed 1556 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1556 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 38 variables. [2018-12-09 16:45:24,848 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:45:24,848 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 16:45:25,046 INFO L227 lantSequenceWeakener]: Weakened 156 states. On average, predicates are now at 81.34% of their original sizes. [2018-12-09 16:45:25,046 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 16:45:25,068 INFO L418 sIntCurrentIteration]: We unified 164 AI predicates to 164 [2018-12-09 16:45:25,068 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 16:45:25,068 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 16:45:25,068 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-12-09 16:45:25,069 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 16:45:25,069 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 16:45:25,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 16:45:25,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 16:45:25,069 INFO L87 Difference]: Start difference. First operand 625 states and 924 transitions. Second operand 6 states. [2018-12-09 16:45:26,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:45:26,231 INFO L93 Difference]: Finished difference Result 1392 states and 2056 transitions. [2018-12-09 16:45:26,232 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 16:45:26,232 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 165 [2018-12-09 16:45:26,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:45:26,233 INFO L225 Difference]: With dead ends: 1392 [2018-12-09 16:45:26,233 INFO L226 Difference]: Without dead ends: 773 [2018-12-09 16:45:26,234 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 165 GetRequests, 160 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 16:45:26,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states. [2018-12-09 16:45:26,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 771. [2018-12-09 16:45:26,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 771 states. [2018-12-09 16:45:26,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 1077 transitions. [2018-12-09 16:45:26,247 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 1077 transitions. Word has length 165 [2018-12-09 16:45:26,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:45:26,247 INFO L480 AbstractCegarLoop]: Abstraction has 771 states and 1077 transitions. [2018-12-09 16:45:26,247 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 16:45:26,247 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 1077 transitions. [2018-12-09 16:45:26,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-12-09 16:45:26,249 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:45:26,249 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:45:26,249 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:45:26,249 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:45:26,250 INFO L82 PathProgramCache]: Analyzing trace with hash 810484199, now seen corresponding path program 1 times [2018-12-09 16:45:26,250 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 16:45:26,250 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:45:26,250 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:45:26,250 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:45:26,251 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 16:45:26,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:45:26,349 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 28 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 16:45:26,349 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:45:26,349 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 16:45:26,350 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 175 with the following transitions: [2018-12-09 16:45:26,350 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [811], [815], [817], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 16:45:26,352 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 16:45:26,353 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 16:45:26,628 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 16:45:26,628 INFO L272 AbstractInterpreter]: Visited 147 different actions 438 times. Merged at 6 different actions 17 times. Never widened. Performed 4893 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4893 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-12-09 16:45:26,634 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:45:26,634 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 16:45:26,819 INFO L227 lantSequenceWeakener]: Weakened 171 states. On average, predicates are now at 84.9% of their original sizes. [2018-12-09 16:45:26,820 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 16:45:26,864 INFO L418 sIntCurrentIteration]: We unified 173 AI predicates to 173 [2018-12-09 16:45:26,864 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 16:45:26,864 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 16:45:26,864 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2018-12-09 16:45:26,864 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 16:45:26,865 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 16:45:26,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 16:45:26,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 16:45:26,865 INFO L87 Difference]: Start difference. First operand 771 states and 1077 transitions. Second operand 9 states. [2018-12-09 16:45:29,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:45:29,032 INFO L93 Difference]: Finished difference Result 1858 states and 2647 transitions. [2018-12-09 16:45:29,032 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-09 16:45:29,033 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 174 [2018-12-09 16:45:29,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:45:29,036 INFO L225 Difference]: With dead ends: 1858 [2018-12-09 16:45:29,036 INFO L226 Difference]: Without dead ends: 1093 [2018-12-09 16:45:29,037 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 181 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-12-09 16:45:29,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1093 states. [2018-12-09 16:45:29,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1093 to 1075. [2018-12-09 16:45:29,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1075 states. [2018-12-09 16:45:29,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1075 states to 1075 states and 1471 transitions. [2018-12-09 16:45:29,059 INFO L78 Accepts]: Start accepts. Automaton has 1075 states and 1471 transitions. Word has length 174 [2018-12-09 16:45:29,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:45:29,059 INFO L480 AbstractCegarLoop]: Abstraction has 1075 states and 1471 transitions. [2018-12-09 16:45:29,059 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 16:45:29,059 INFO L276 IsEmpty]: Start isEmpty. Operand 1075 states and 1471 transitions. [2018-12-09 16:45:29,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-12-09 16:45:29,061 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:45:29,062 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:45:29,062 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:45:29,062 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:45:29,062 INFO L82 PathProgramCache]: Analyzing trace with hash 612982551, now seen corresponding path program 1 times [2018-12-09 16:45:29,062 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 16:45:29,063 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:45:29,063 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:45:29,063 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:45:29,063 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 16:45:29,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:45:29,130 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:45:29,130 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:45:29,130 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 16:45:29,130 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 174 with the following transitions: [2018-12-09 16:45:29,131 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [811], [815], [817], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 16:45:29,133 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 16:45:29,133 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 16:45:29,281 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 16:45:29,281 INFO L272 AbstractInterpreter]: Visited 146 different actions 286 times. Merged at 4 different actions 4 times. Never widened. Performed 3095 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3095 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-12-09 16:45:29,282 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:45:29,283 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 16:45:29,388 INFO L227 lantSequenceWeakener]: Weakened 170 states. On average, predicates are now at 81.3% of their original sizes. [2018-12-09 16:45:29,389 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 16:45:29,432 INFO L418 sIntCurrentIteration]: We unified 172 AI predicates to 172 [2018-12-09 16:45:29,432 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 16:45:29,432 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 16:45:29,432 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-09 16:45:29,433 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 16:45:29,433 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 16:45:29,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 16:45:29,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 16:45:29,433 INFO L87 Difference]: Start difference. First operand 1075 states and 1471 transitions. Second operand 10 states. [2018-12-09 16:45:31,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:45:31,319 INFO L93 Difference]: Finished difference Result 2440 states and 3327 transitions. [2018-12-09 16:45:31,319 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-09 16:45:31,319 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 173 [2018-12-09 16:45:31,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:45:31,321 INFO L225 Difference]: With dead ends: 2440 [2018-12-09 16:45:31,321 INFO L226 Difference]: Without dead ends: 1371 [2018-12-09 16:45:31,323 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 182 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-12-09 16:45:31,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1371 states. [2018-12-09 16:45:31,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1371 to 1368. [2018-12-09 16:45:31,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1368 states. [2018-12-09 16:45:31,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1368 states to 1368 states and 1811 transitions. [2018-12-09 16:45:31,340 INFO L78 Accepts]: Start accepts. Automaton has 1368 states and 1811 transitions. Word has length 173 [2018-12-09 16:45:31,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:45:31,340 INFO L480 AbstractCegarLoop]: Abstraction has 1368 states and 1811 transitions. [2018-12-09 16:45:31,340 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 16:45:31,340 INFO L276 IsEmpty]: Start isEmpty. Operand 1368 states and 1811 transitions. [2018-12-09 16:45:31,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-09 16:45:31,342 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:45:31,343 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:45:31,343 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:45:31,343 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:45:31,343 INFO L82 PathProgramCache]: Analyzing trace with hash -393389681, now seen corresponding path program 1 times [2018-12-09 16:45:31,343 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 16:45:31,343 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:45:31,344 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:45:31,344 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:45:31,344 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 16:45:31,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:45:31,436 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 25 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:45:31,436 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:45:31,436 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 16:45:31,436 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 178 with the following transitions: [2018-12-09 16:45:31,437 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [811], [815], [817], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 16:45:31,439 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 16:45:31,439 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 16:45:31,618 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 16:45:31,618 INFO L272 AbstractInterpreter]: Visited 147 different actions 434 times. Merged at 6 different actions 15 times. Never widened. Performed 5103 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5103 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-12-09 16:45:31,621 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:45:31,622 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 16:45:31,622 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:45:31,622 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_687f69e3-cb70-4369-857b-428f90abefad/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 16:45:31,628 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:45:31,628 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 16:45:31,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:45:31,682 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 16:45:31,730 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 16:45:31,730 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 16:45:31,843 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 16:45:31,861 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-09 16:45:31,861 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 8 [2018-12-09 16:45:31,861 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 16:45:31,861 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 16:45:31,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 16:45:31,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-12-09 16:45:31,862 INFO L87 Difference]: Start difference. First operand 1368 states and 1811 transitions. Second operand 3 states. [2018-12-09 16:45:32,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:45:32,108 INFO L93 Difference]: Finished difference Result 3325 states and 4564 transitions. [2018-12-09 16:45:32,108 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 16:45:32,108 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 177 [2018-12-09 16:45:32,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:45:32,114 INFO L225 Difference]: With dead ends: 3325 [2018-12-09 16:45:32,114 INFO L226 Difference]: Without dead ends: 1963 [2018-12-09 16:45:32,116 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 365 GetRequests, 356 SyntacticMatches, 3 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-12-09 16:45:32,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1963 states. [2018-12-09 16:45:32,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1963 to 1961. [2018-12-09 16:45:32,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1961 states. [2018-12-09 16:45:32,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1961 states to 1961 states and 2545 transitions. [2018-12-09 16:45:32,156 INFO L78 Accepts]: Start accepts. Automaton has 1961 states and 2545 transitions. Word has length 177 [2018-12-09 16:45:32,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:45:32,157 INFO L480 AbstractCegarLoop]: Abstraction has 1961 states and 2545 transitions. [2018-12-09 16:45:32,157 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 16:45:32,157 INFO L276 IsEmpty]: Start isEmpty. Operand 1961 states and 2545 transitions. [2018-12-09 16:45:32,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-09 16:45:32,161 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:45:32,162 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:45:32,162 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:45:32,162 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:45:32,162 INFO L82 PathProgramCache]: Analyzing trace with hash -1471902149, now seen corresponding path program 1 times [2018-12-09 16:45:32,162 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 16:45:32,163 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:45:32,163 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:45:32,163 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:45:32,163 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 16:45:32,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:45:32,229 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 53 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:45:32,229 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:45:32,230 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 16:45:32,230 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 191 with the following transitions: [2018-12-09 16:45:32,230 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [127], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [811], [815], [817], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 16:45:32,232 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 16:45:32,232 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 16:45:32,398 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 16:45:32,399 INFO L272 AbstractInterpreter]: Visited 147 different actions 434 times. Merged at 6 different actions 15 times. Never widened. Performed 5018 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5018 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-12-09 16:45:32,401 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:45:32,401 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 16:45:32,401 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:45:32,401 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_687f69e3-cb70-4369-857b-428f90abefad/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 16:45:32,407 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:45:32,407 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 16:45:32,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:45:32,449 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 16:45:32,490 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 16:45:32,490 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 16:45:32,515 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 16:45:32,530 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-09 16:45:32,530 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 8 [2018-12-09 16:45:32,530 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 16:45:32,530 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 16:45:32,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 16:45:32,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-09 16:45:32,530 INFO L87 Difference]: Start difference. First operand 1961 states and 2545 transitions. Second operand 3 states. [2018-12-09 16:45:32,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:45:32,815 INFO L93 Difference]: Finished difference Result 4798 states and 6408 transitions. [2018-12-09 16:45:32,815 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 16:45:32,815 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 190 [2018-12-09 16:45:32,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:45:32,821 INFO L225 Difference]: With dead ends: 4798 [2018-12-09 16:45:32,821 INFO L226 Difference]: Without dead ends: 2843 [2018-12-09 16:45:32,823 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 385 GetRequests, 379 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-09 16:45:32,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2843 states. [2018-12-09 16:45:32,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2843 to 2841. [2018-12-09 16:45:32,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2841 states. [2018-12-09 16:45:32,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2841 states to 2841 states and 3560 transitions. [2018-12-09 16:45:32,854 INFO L78 Accepts]: Start accepts. Automaton has 2841 states and 3560 transitions. Word has length 190 [2018-12-09 16:45:32,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:45:32,855 INFO L480 AbstractCegarLoop]: Abstraction has 2841 states and 3560 transitions. [2018-12-09 16:45:32,855 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 16:45:32,855 INFO L276 IsEmpty]: Start isEmpty. Operand 2841 states and 3560 transitions. [2018-12-09 16:45:32,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-12-09 16:45:32,859 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:45:32,859 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 16:45:32,859 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:45:32,859 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:45:32,859 INFO L82 PathProgramCache]: Analyzing trace with hash -163641562, now seen corresponding path program 1 times [2018-12-09 16:45:32,859 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 16:45:32,860 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:45:32,860 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:45:32,860 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:45:32,860 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 16:45:32,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:45:32,922 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 69 proven. 15 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 16:45:32,922 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:45:32,922 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 16:45:32,922 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 206 with the following transitions: [2018-12-09 16:45:32,922 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [127], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [811], [815], [817], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 16:45:32,924 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 16:45:32,924 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 16:45:33,125 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 16:45:33,126 INFO L272 AbstractInterpreter]: Visited 148 different actions 439 times. Merged at 7 different actions 17 times. Never widened. Performed 5050 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5050 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 1 different actions. Largest state had 38 variables. [2018-12-09 16:45:33,127 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:45:33,127 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 16:45:33,127 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:45:33,127 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_687f69e3-cb70-4369-857b-428f90abefad/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 16:45:33,133 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:45:33,133 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 16:45:33,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:45:33,171 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 16:45:33,199 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 83 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 16:45:33,199 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 16:45:33,241 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 83 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 16:45:33,256 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 16:45:33,256 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-12-09 16:45:33,256 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 16:45:33,256 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 16:45:33,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 16:45:33,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2018-12-09 16:45:33,257 INFO L87 Difference]: Start difference. First operand 2841 states and 3560 transitions. Second operand 9 states. [2018-12-09 16:45:34,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:45:34,786 INFO L93 Difference]: Finished difference Result 8246 states and 10799 transitions. [2018-12-09 16:45:34,786 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-12-09 16:45:34,786 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 205 [2018-12-09 16:45:34,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:45:34,795 INFO L225 Difference]: With dead ends: 8246 [2018-12-09 16:45:34,795 INFO L226 Difference]: Without dead ends: 4344 [2018-12-09 16:45:34,800 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 461 GetRequests, 424 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 300 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=343, Invalid=1063, Unknown=0, NotChecked=0, Total=1406 [2018-12-09 16:45:34,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4344 states. [2018-12-09 16:45:34,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4344 to 3934. [2018-12-09 16:45:34,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3934 states. [2018-12-09 16:45:34,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3934 states to 3934 states and 4543 transitions. [2018-12-09 16:45:34,850 INFO L78 Accepts]: Start accepts. Automaton has 3934 states and 4543 transitions. Word has length 205 [2018-12-09 16:45:34,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:45:34,851 INFO L480 AbstractCegarLoop]: Abstraction has 3934 states and 4543 transitions. [2018-12-09 16:45:34,851 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 16:45:34,851 INFO L276 IsEmpty]: Start isEmpty. Operand 3934 states and 4543 transitions. [2018-12-09 16:45:34,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2018-12-09 16:45:34,855 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:45:34,856 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 16:45:34,856 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:45:34,856 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:45:34,856 INFO L82 PathProgramCache]: Analyzing trace with hash 1038506424, now seen corresponding path program 1 times [2018-12-09 16:45:34,856 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 16:45:34,856 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:45:34,856 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:45:34,856 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:45:34,856 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 16:45:34,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:45:34,966 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 113 proven. 53 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 16:45:34,967 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:45:34,967 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 16:45:34,967 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 262 with the following transitions: [2018-12-09 16:45:34,967 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [301], [306], [308], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [811], [815], [817], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 16:45:34,969 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 16:45:34,969 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 16:45:35,286 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 16:45:35,286 INFO L272 AbstractInterpreter]: Visited 150 different actions 586 times. Merged at 7 different actions 23 times. Never widened. Performed 6853 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6853 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 6 fixpoints after 2 different actions. Largest state had 38 variables. [2018-12-09 16:45:35,290 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:45:35,290 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 16:45:35,290 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:45:35,290 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_687f69e3-cb70-4369-857b-428f90abefad/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 16:45:35,299 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:45:35,299 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 16:45:35,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:45:35,345 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 16:45:35,396 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 102 proven. 2 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-09 16:45:35,396 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 16:45:35,470 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 123 proven. 36 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 16:45:35,485 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 16:45:35,485 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 5] total 15 [2018-12-09 16:45:35,485 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 16:45:35,485 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-09 16:45:35,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-09 16:45:35,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2018-12-09 16:45:35,486 INFO L87 Difference]: Start difference. First operand 3934 states and 4543 transitions. Second operand 13 states. [2018-12-09 16:45:36,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:45:36,388 INFO L93 Difference]: Finished difference Result 9397 states and 11379 transitions. [2018-12-09 16:45:36,388 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-12-09 16:45:36,388 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 261 [2018-12-09 16:45:36,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:45:36,397 INFO L225 Difference]: With dead ends: 9397 [2018-12-09 16:45:36,397 INFO L226 Difference]: Without dead ends: 5473 [2018-12-09 16:45:36,401 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 570 GetRequests, 535 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 273 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=357, Invalid=903, Unknown=0, NotChecked=0, Total=1260 [2018-12-09 16:45:36,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5473 states. [2018-12-09 16:45:36,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5473 to 5399. [2018-12-09 16:45:36,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5399 states. [2018-12-09 16:45:36,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5399 states to 5399 states and 6308 transitions. [2018-12-09 16:45:36,469 INFO L78 Accepts]: Start accepts. Automaton has 5399 states and 6308 transitions. Word has length 261 [2018-12-09 16:45:36,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:45:36,470 INFO L480 AbstractCegarLoop]: Abstraction has 5399 states and 6308 transitions. [2018-12-09 16:45:36,470 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-09 16:45:36,470 INFO L276 IsEmpty]: Start isEmpty. Operand 5399 states and 6308 transitions. [2018-12-09 16:45:36,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-12-09 16:45:36,475 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:45:36,475 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 16:45:36,475 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:45:36,475 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:45:36,476 INFO L82 PathProgramCache]: Analyzing trace with hash 1846381312, now seen corresponding path program 1 times [2018-12-09 16:45:36,476 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 16:45:36,476 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:45:36,476 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:45:36,476 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:45:36,476 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 16:45:36,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:45:36,769 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 169 proven. 76 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 16:45:36,769 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:45:36,769 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 16:45:36,770 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 292 with the following transitions: [2018-12-09 16:45:36,770 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [67], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [163], [166], [170], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [301], [306], [308], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [811], [815], [817], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 16:45:36,771 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 16:45:36,771 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 16:45:36,880 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 16:45:36,881 INFO L272 AbstractInterpreter]: Visited 149 different actions 296 times. Merged at 6 different actions 9 times. Never widened. Performed 3274 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3274 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 2 fixpoints after 2 different actions. Largest state had 38 variables. [2018-12-09 16:45:36,882 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:45:36,882 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 16:45:37,089 INFO L227 lantSequenceWeakener]: Weakened 285 states. On average, predicates are now at 82.78% of their original sizes. [2018-12-09 16:45:37,090 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 16:45:37,127 INFO L418 sIntCurrentIteration]: We unified 290 AI predicates to 290 [2018-12-09 16:45:37,128 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 16:45:37,128 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 16:45:37,128 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [15] total 23 [2018-12-09 16:45:37,128 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 16:45:37,128 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 16:45:37,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 16:45:37,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-12-09 16:45:37,128 INFO L87 Difference]: Start difference. First operand 5399 states and 6308 transitions. Second operand 10 states. [2018-12-09 16:45:39,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:45:39,694 INFO L93 Difference]: Finished difference Result 11135 states and 13084 transitions. [2018-12-09 16:45:39,694 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-09 16:45:39,695 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 291 [2018-12-09 16:45:39,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:45:39,707 INFO L225 Difference]: With dead ends: 11135 [2018-12-09 16:45:39,707 INFO L226 Difference]: Without dead ends: 7073 [2018-12-09 16:45:39,712 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 296 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2018-12-09 16:45:39,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7073 states. [2018-12-09 16:45:39,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7073 to 7040. [2018-12-09 16:45:39,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7040 states. [2018-12-09 16:45:39,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7040 states to 7040 states and 8166 transitions. [2018-12-09 16:45:39,829 INFO L78 Accepts]: Start accepts. Automaton has 7040 states and 8166 transitions. Word has length 291 [2018-12-09 16:45:39,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:45:39,829 INFO L480 AbstractCegarLoop]: Abstraction has 7040 states and 8166 transitions. [2018-12-09 16:45:39,829 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 16:45:39,829 INFO L276 IsEmpty]: Start isEmpty. Operand 7040 states and 8166 transitions. [2018-12-09 16:45:39,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2018-12-09 16:45:39,835 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:45:39,836 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:45:39,836 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:45:39,836 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:45:39,836 INFO L82 PathProgramCache]: Analyzing trace with hash -789514691, now seen corresponding path program 1 times [2018-12-09 16:45:39,836 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 16:45:39,836 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:45:39,837 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:45:39,837 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:45:39,837 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 16:45:39,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:45:39,919 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 171 proven. 84 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-12-09 16:45:39,919 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:45:39,919 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 16:45:39,919 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 295 with the following transitions: [2018-12-09 16:45:39,919 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [56], [61], [63], [64], [67], [68], [72], [76], [80], [84], [88], [92], [96], [99], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [301], [306], [308], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [811], [815], [817], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 16:45:39,921 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 16:45:39,921 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 16:45:40,176 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 16:45:40,176 INFO L272 AbstractInterpreter]: Visited 154 different actions 613 times. Merged at 9 different actions 38 times. Widened at 1 different actions 1 times. Performed 7167 root evaluator evaluations with a maximum evaluation depth of 3. Performed 7167 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 11 fixpoints after 3 different actions. Largest state had 38 variables. [2018-12-09 16:45:40,178 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:45:40,178 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 16:45:40,178 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:45:40,178 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_687f69e3-cb70-4369-857b-428f90abefad/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 16:45:40,184 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:45:40,184 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 16:45:40,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:45:40,241 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 16:45:40,301 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 196 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-12-09 16:45:40,301 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 16:45:40,376 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 183 proven. 45 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-12-09 16:45:40,391 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 16:45:40,392 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 12 [2018-12-09 16:45:40,392 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 16:45:40,392 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-09 16:45:40,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-09 16:45:40,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2018-12-09 16:45:40,392 INFO L87 Difference]: Start difference. First operand 7040 states and 8166 transitions. Second operand 11 states. [2018-12-09 16:45:41,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:45:41,027 INFO L93 Difference]: Finished difference Result 12461 states and 14662 transitions. [2018-12-09 16:45:41,028 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-09 16:45:41,028 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 294 [2018-12-09 16:45:41,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:45:41,037 INFO L225 Difference]: With dead ends: 12461 [2018-12-09 16:45:41,037 INFO L226 Difference]: Without dead ends: 6013 [2018-12-09 16:45:41,043 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 610 GetRequests, 590 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2018-12-09 16:45:41,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6013 states. [2018-12-09 16:45:41,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6013 to 5715. [2018-12-09 16:45:41,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5715 states. [2018-12-09 16:45:41,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5715 states to 5715 states and 6350 transitions. [2018-12-09 16:45:41,099 INFO L78 Accepts]: Start accepts. Automaton has 5715 states and 6350 transitions. Word has length 294 [2018-12-09 16:45:41,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:45:41,099 INFO L480 AbstractCegarLoop]: Abstraction has 5715 states and 6350 transitions. [2018-12-09 16:45:41,099 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-09 16:45:41,100 INFO L276 IsEmpty]: Start isEmpty. Operand 5715 states and 6350 transitions. [2018-12-09 16:45:41,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2018-12-09 16:45:41,104 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:45:41,104 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:45:41,104 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:45:41,104 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:45:41,105 INFO L82 PathProgramCache]: Analyzing trace with hash -1557581639, now seen corresponding path program 1 times [2018-12-09 16:45:41,105 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 16:45:41,105 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:45:41,105 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:45:41,105 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:45:41,105 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 16:45:41,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:45:41,260 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 247 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:45:41,260 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:45:41,260 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 16:45:41,261 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 306 with the following transitions: [2018-12-09 16:45:41,261 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [236], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [301], [306], [308], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [811], [815], [817], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 16:45:41,263 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 16:45:41,263 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 16:45:41,545 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 16:45:41,545 INFO L272 AbstractInterpreter]: Visited 150 different actions 588 times. Merged at 7 different actions 25 times. Never widened. Performed 6885 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6885 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 6 fixpoints after 3 different actions. Largest state had 38 variables. [2018-12-09 16:45:41,546 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:45:41,546 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 16:45:41,546 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:45:41,546 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_687f69e3-cb70-4369-857b-428f90abefad/bin-2019/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 16:45:41,553 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:45:41,553 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 16:45:41,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:45:41,599 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 16:45:41,647 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2018-12-09 16:45:41,647 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 16:45:41,707 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2018-12-09 16:45:41,732 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-09 16:45:41,732 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [10] total 11 [2018-12-09 16:45:41,733 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 16:45:41,733 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 16:45:41,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 16:45:41,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-12-09 16:45:41,733 INFO L87 Difference]: Start difference. First operand 5715 states and 6350 transitions. Second operand 3 states. [2018-12-09 16:45:41,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:45:41,953 INFO L93 Difference]: Finished difference Result 6613 states and 7292 transitions. [2018-12-09 16:45:41,953 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 16:45:41,953 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 305 [2018-12-09 16:45:41,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:45:41,953 INFO L225 Difference]: With dead ends: 6613 [2018-12-09 16:45:41,953 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 16:45:41,958 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 619 GetRequests, 610 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-12-09 16:45:41,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 16:45:41,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 16:45:41,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 16:45:41,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 16:45:41,959 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 305 [2018-12-09 16:45:41,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:45:41,959 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 16:45:41,959 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 16:45:41,959 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 16:45:41,959 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 16:45:41,962 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 16:45:42,028 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:45:42,030 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:45:42,045 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:45:42,047 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:45:42,053 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:45:42,068 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:45:42,070 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:45:42,072 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:45:42,077 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:45:42,079 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:45:42,083 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:45:42,091 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:45:42,097 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:45:42,109 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:45:42,111 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:45:42,120 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:45:42,134 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:45:42,139 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:45:42,143 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:45:42,148 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:45:42,151 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:45:42,153 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:45:42,155 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:45:42,156 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:45:42,157 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:45:42,157 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:45:42,162 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:45:42,168 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:45:42,170 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 16:45:42,947 WARN L180 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 81 [2018-12-09 16:45:43,236 WARN L180 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 69 [2018-12-09 16:45:43,556 WARN L180 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 65 [2018-12-09 16:45:43,558 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 16:45:43,558 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a19~0)| ~a19~0) (= ~a11~0 |old(~a11~0)|) (= |old(~a17~0)| ~a17~0) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|)) [2018-12-09 16:45:43,558 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 16:45:43,558 INFO L448 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 16:45:43,558 INFO L448 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 16:45:43,558 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 16:45:43,558 INFO L448 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 16:45:43,558 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 16:45:43,558 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-12-09 16:45:43,559 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-12-09 16:45:43,559 INFO L448 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-12-09 16:45:43,559 INFO L448 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-12-09 16:45:43,559 INFO L448 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-12-09 16:45:43,559 INFO L448 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-12-09 16:45:43,559 INFO L448 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-12-09 16:45:43,559 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-12-09 16:45:43,559 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-12-09 16:45:43,559 INFO L448 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-12-09 16:45:43,559 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-12-09 16:45:43,559 INFO L448 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-12-09 16:45:43,559 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-12-09 16:45:43,559 INFO L448 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 16:45:43,559 INFO L448 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 16:45:43,559 INFO L448 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 16:45:43,559 INFO L448 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 16:45:43,560 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-12-09 16:45:43,560 INFO L448 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 16:45:43,560 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-12-09 16:45:43,560 INFO L448 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-12-09 16:45:43,560 INFO L448 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-12-09 16:45:43,560 INFO L448 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-12-09 16:45:43,560 INFO L448 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-12-09 16:45:43,560 INFO L448 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-12-09 16:45:43,560 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-12-09 16:45:43,560 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-12-09 16:45:43,560 INFO L448 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-12-09 16:45:43,560 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-12-09 16:45:43,560 INFO L448 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-12-09 16:45:43,560 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-12-09 16:45:43,560 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-12-09 16:45:43,560 INFO L448 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-12-09 16:45:43,561 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-12-09 16:45:43,561 INFO L448 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 16:45:43,561 INFO L448 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 16:45:43,561 INFO L448 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 16:45:43,561 INFO L448 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 16:45:43,561 INFO L448 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 16:45:43,561 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-12-09 16:45:43,561 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-12-09 16:45:43,561 INFO L448 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-12-09 16:45:43,561 INFO L448 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-12-09 16:45:43,561 INFO L448 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-12-09 16:45:43,561 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-12-09 16:45:43,561 INFO L448 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-12-09 16:45:43,561 INFO L448 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-12-09 16:45:43,561 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-12-09 16:45:43,561 INFO L448 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-12-09 16:45:43,562 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-12-09 16:45:43,562 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 16:45:43,562 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 16:45:43,562 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 16:45:43,562 INFO L448 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 16:45:43,562 INFO L448 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 16:45:43,562 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-12-09 16:45:43,562 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-12-09 16:45:43,562 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-12-09 16:45:43,562 INFO L448 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-12-09 16:45:43,562 INFO L448 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-12-09 16:45:43,562 INFO L448 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-12-09 16:45:43,562 INFO L448 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-12-09 16:45:43,562 INFO L448 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-12-09 16:45:43,562 INFO L448 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-12-09 16:45:43,562 INFO L448 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-12-09 16:45:43,563 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-12-09 16:45:43,563 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-12-09 16:45:43,563 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-12-09 16:45:43,563 INFO L448 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 16:45:43,563 INFO L448 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 16:45:43,563 INFO L448 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 16:45:43,563 INFO L448 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 16:45:43,563 INFO L448 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 16:45:43,563 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-12-09 16:45:43,563 INFO L448 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-12-09 16:45:43,563 INFO L448 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-12-09 16:45:43,563 INFO L448 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-12-09 16:45:43,563 INFO L448 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-12-09 16:45:43,563 INFO L448 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-12-09 16:45:43,563 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-12-09 16:45:43,563 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-12-09 16:45:43,563 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-12-09 16:45:43,564 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-12-09 16:45:43,564 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-12-09 16:45:43,564 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-12-09 16:45:43,564 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-12-09 16:45:43,564 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-12-09 16:45:43,564 INFO L448 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-12-09 16:45:43,564 INFO L448 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-12-09 16:45:43,564 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 580) no Hoare annotation was computed. [2018-12-09 16:45:43,564 INFO L448 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 16:45:43,564 INFO L448 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 16:45:43,564 INFO L448 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 16:45:43,564 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 16:45:43,564 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-12-09 16:45:43,564 INFO L448 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 16:45:43,565 INFO L448 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-12-09 16:45:43,565 INFO L448 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-12-09 16:45:43,565 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-12-09 16:45:43,565 INFO L448 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-12-09 16:45:43,565 INFO L448 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-12-09 16:45:43,565 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-12-09 16:45:43,565 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-12-09 16:45:43,565 INFO L448 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-12-09 16:45:43,565 INFO L448 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-12-09 16:45:43,565 INFO L448 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-12-09 16:45:43,565 INFO L448 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-12-09 16:45:43,565 INFO L448 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-12-09 16:45:43,565 INFO L448 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-12-09 16:45:43,565 INFO L448 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-12-09 16:45:43,565 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-12-09 16:45:43,565 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-12-09 16:45:43,565 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-12-09 16:45:43,566 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-12-09 16:45:43,566 INFO L448 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 16:45:43,566 INFO L448 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 16:45:43,566 INFO L448 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 16:45:43,566 INFO L448 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 16:45:43,566 INFO L448 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 16:45:43,566 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 16:45:43,566 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-12-09 16:45:43,566 INFO L448 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-12-09 16:45:43,566 INFO L448 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-12-09 16:45:43,566 INFO L448 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-12-09 16:45:43,566 INFO L448 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-12-09 16:45:43,566 INFO L448 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-12-09 16:45:43,566 INFO L448 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-12-09 16:45:43,566 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-12-09 16:45:43,566 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-12-09 16:45:43,566 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-12-09 16:45:43,567 INFO L448 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-12-09 16:45:43,567 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 16:45:43,567 INFO L448 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 16:45:43,567 INFO L448 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 16:45:43,567 INFO L448 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 16:45:43,567 INFO L448 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 16:45:43,567 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 16:45:43,567 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-12-09 16:45:43,567 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-12-09 16:45:43,567 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-12-09 16:45:43,567 INFO L448 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-12-09 16:45:43,567 INFO L448 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-12-09 16:45:43,567 INFO L448 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-12-09 16:45:43,567 INFO L448 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-12-09 16:45:43,567 INFO L448 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-12-09 16:45:43,567 INFO L448 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-12-09 16:45:43,568 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-12-09 16:45:43,568 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-12-09 16:45:43,568 INFO L448 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-12-09 16:45:43,568 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-12-09 16:45:43,568 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-12-09 16:45:43,568 INFO L448 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 16:45:43,568 INFO L448 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 16:45:43,568 INFO L448 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 16:45:43,568 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse8 (not (= 1 ~a21~0))) (.cse12 (not (= 1 |old(~a19~0)|))) (.cse13 (= 0 |old(~a28~0)|)) (.cse14 (not (= 8 |old(~a17~0)|))) (.cse11 (= |calculate_output_#in~input| 0)) (.cse31 (= ~a11~0 0)) (.cse28 (= |old(~a17~0)| ~a17~0)) (.cse21 (= ~a17~0 8)) (.cse22 (= ~a19~0 1)) (.cse29 (= ~a28~0 |old(~a28~0)|)) (.cse30 (= ~a11~0 1)) (.cse2 (<= ~a17~0 |old(~a17~0)|)) (.cse3 (= |old(~a19~0)| ~a19~0)) (.cse5 (= ~a11~0 |old(~a11~0)|)) (.cse6 (= ~a25~0 |old(~a25~0)|))) (let ((.cse15 (and .cse2 .cse3 .cse5 .cse6)) (.cse4 (<= ~a28~0 7)) (.cse19 (and .cse21 .cse22 .cse29 .cse30 .cse6)) (.cse26 (= 10 |old(~a28~0)|)) (.cse7 (< 7 |old(~a17~0)|)) (.cse0 (< 7 |old(~a28~0)|)) (.cse23 (and .cse28 .cse3 .cse29 .cse30 .cse6)) (.cse24 (< 8 |old(~a17~0)|)) (.cse20 (not (= 1 |old(~a11~0)|))) (.cse1 (not (= 1 |old(~a25~0)|))) (.cse27 (and .cse3 .cse31 .cse21 .cse29 .cse6)) (.cse16 (< 0 |old(~a19~0)|)) (.cse17 (< 10 |old(~a28~0)|)) (.cse25 (or .cse8 .cse12 .cse13 .cse14 .cse11)) (.cse10 (and .cse31 .cse21 .cse22 .cse29 .cse6)) (.cse18 (= 8 |old(~a28~0)|)) (.cse9 (not (= 0 |old(~a11~0)|)))) (and (or .cse0 .cse1 (and .cse2 .cse3 .cse4 .cse5 .cse6) .cse7) (or .cse8 .cse1 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14) (or .cse1 (= |old(~a11~0)| |old(~a19~0)|) .cse7 .cse15) (or .cse15 .cse16 .cse7) (or (or .cse17 .cse8 .cse1 .cse12 .cse18 .cse14 .cse11) .cse19 .cse20) (or .cse8 .cse0 .cse1 .cse12 .cse13 .cse14 .cse11 (and .cse4 .cse5 (not (= ~a28~0 0)) .cse21 .cse22 .cse6)) (or .cse0 .cse1 .cse23 .cse24 .cse20) (or .cse17 .cse25 .cse26 .cse18 .cse19 .cse20) (or .cse17 .cse8 .cse27 .cse26 .cse9 .cse14 .cse16) (or .cse17 (and .cse3 .cse28 .cse29 .cse30 .cse6) .cse18 .cse20 .cse7) (or .cse0 .cse23 .cse16 .cse24 .cse20) (or .cse17 .cse8 .cse1 .cse9 .cse27 .cse14 .cse16) (or .cse17 .cse25 .cse10 .cse18 .cse9)))) [2018-12-09 16:45:43,568 INFO L448 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 16:45:43,568 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 16:45:43,569 INFO L448 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 16:45:43,569 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-12-09 16:45:43,569 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-12-09 16:45:43,569 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-12-09 16:45:43,569 INFO L448 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-12-09 16:45:43,569 INFO L448 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-12-09 16:45:43,569 INFO L448 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-12-09 16:45:43,569 INFO L448 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-12-09 16:45:43,569 INFO L448 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-12-09 16:45:43,569 INFO L448 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-12-09 16:45:43,569 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-12-09 16:45:43,569 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-12-09 16:45:43,569 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-12-09 16:45:43,569 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-12-09 16:45:43,569 INFO L448 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 16:45:43,569 INFO L448 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 16:45:43,570 INFO L448 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 16:45:43,570 INFO L448 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 16:45:43,570 INFO L448 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 16:45:43,570 INFO L448 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 16:45:43,570 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-12-09 16:45:43,570 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-12-09 16:45:43,570 INFO L448 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-12-09 16:45:43,570 INFO L448 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-12-09 16:45:43,570 INFO L448 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-12-09 16:45:43,570 INFO L448 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-12-09 16:45:43,570 INFO L448 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-12-09 16:45:43,570 INFO L448 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-12-09 16:45:43,570 INFO L448 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-12-09 16:45:43,570 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-12-09 16:45:43,570 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-12-09 16:45:43,570 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-12-09 16:45:43,570 INFO L448 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-12-09 16:45:43,571 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-12-09 16:45:43,571 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-12-09 16:45:43,571 INFO L448 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-12-09 16:45:43,571 INFO L448 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 16:45:43,571 INFO L448 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 16:45:43,571 INFO L448 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 16:45:43,571 INFO L448 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 16:45:43,571 INFO L448 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 16:45:43,571 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-12-09 16:45:43,571 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-12-09 16:45:43,571 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-12-09 16:45:43,571 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-12-09 16:45:43,571 INFO L448 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-12-09 16:45:43,571 INFO L448 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-12-09 16:45:43,571 INFO L448 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-12-09 16:45:43,571 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-12-09 16:45:43,571 INFO L448 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-12-09 16:45:43,572 INFO L448 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-12-09 16:45:43,572 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-12-09 16:45:43,572 INFO L448 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-12-09 16:45:43,572 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-12-09 16:45:43,572 INFO L448 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-12-09 16:45:43,572 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-12-09 16:45:43,572 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-12-09 16:45:43,572 INFO L448 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-12-09 16:45:43,572 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-12-09 16:45:43,572 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-12-09 16:45:43,572 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 16:45:43,572 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a21~0 1)) [2018-12-09 16:45:43,572 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 16:45:43,572 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 16:45:43,573 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a11~0)|)) (and (= ~a11~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|)) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|))) [2018-12-09 16:45:43,573 INFO L444 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse5 (not (= ~a28~0 0))) (.cse4 (= ~a17~0 8)) (.cse6 (= ~a19~0 1)) (.cse10 (not (= ~a28~0 8)))) (let ((.cse8 (not (= ~a28~0 10))) (.cse1 (<= ~a19~0 0)) (.cse9 (<= ~a17~0 7)) (.cse14 (not (= ~a19~0 ~a11~0))) (.cse12 (and (and (not (= 1 |old(~a25~0)|)) .cse5 .cse4 .cse6 (= ~a21~0 1)) .cse10 (<= |old(~a28~0)| 8))) (.cse0 (= ~a11~0 0)) (.cse3 (<= ~a28~0 10)) (.cse13 (<= ~a28~0 7)) (.cse2 (= 1 ~a25~0)) (.cse7 (<= ~a17~0 8)) (.cse11 (= ~a11~0 1))) (or (not (= 1 ~a21~0)) (and .cse0 (and .cse1 .cse2) .cse3 .cse4) (and .cse2 .cse0 .cse5 .cse6 .cse7) (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a11~0)|)) (and .cse0 .cse1 .cse3 .cse4 .cse8) (and .cse9 .cse3 .cse10 .cse11) (and .cse12 .cse3 .cse11 .cse8) (and .cse13 .cse5 .cse2 .cse4 .cse6) (and (and .cse2 .cse10 .cse3 .cse6 .cse7) .cse11) (and .cse9 .cse13 .cse2) (and .cse9 .cse1 .cse14) (and .cse1 .cse13 .cse7 .cse11) (not (= 0 |old(~a25~0)|)) (and .cse9 .cse2 .cse14) (and (and .cse12 .cse0) .cse3) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (and .cse13 .cse2 .cse7 .cse11)))) [2018-12-09 16:45:43,573 INFO L448 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2018-12-09 16:45:43,573 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-12-09 16:45:43,573 INFO L444 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse7 (not (= ~a28~0 10))) (.cse1 (<= ~a19~0 0)) (.cse12 (<= ~a17~0 7)) (.cse14 (not (= ~a19~0 ~a11~0))) (.cse5 (not (= main_~input~0 0))) (.cse6 (not (= ~a28~0 8))) (.cse3 (<= ~a28~0 10)) (.cse0 (= ~a11~0 0)) (.cse8 (not (= ~a28~0 0))) (.cse4 (= ~a17~0 8)) (.cse9 (= ~a19~0 1)) (.cse13 (<= ~a28~0 7)) (.cse2 (= 1 ~a25~0)) (.cse10 (<= ~a17~0 8)) (.cse11 (= ~a11~0 1))) (or (not (= 1 ~a21~0)) (and .cse0 (and .cse1 .cse2) .cse3 .cse4) (not (= 7 |old(~a28~0)|)) (and .cse5 .cse6 .cse3 .cse7 .cse8 .cse9 .cse10 .cse11) (not (= 0 |old(~a11~0)|)) (and .cse0 .cse1 .cse3 .cse4 .cse7) (and .cse12 .cse3 .cse6 .cse11) (and .cse5 .cse13 .cse8 .cse2 .cse4 .cse9) (and .cse5 .cse2 .cse0 .cse8 .cse9 .cse10) (and .cse12 .cse13 .cse2) (and .cse12 .cse1 .cse14) (and .cse1 .cse13 .cse10 .cse11) (not (= 0 |old(~a25~0)|)) (and .cse12 .cse2 .cse14) (and (and .cse5 .cse6 .cse2 .cse4 .cse9) .cse3 .cse11) (and .cse5 .cse6 .cse3 .cse0 .cse8 .cse4 .cse9) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (and .cse13 .cse2 .cse10 .cse11))) [2018-12-09 16:45:43,573 INFO L448 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-12-09 16:45:43,573 INFO L448 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-12-09 16:45:43,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 04:45:43 BoogieIcfgContainer [2018-12-09 16:45:43,584 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 16:45:43,584 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 16:45:43,584 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 16:45:43,584 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 16:45:43,585 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:45:22" (3/4) ... [2018-12-09 16:45:43,587 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 16:45:43,591 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 16:45:43,591 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-09 16:45:43,591 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 16:45:43,600 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-09 16:45:43,601 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 16:45:43,621 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((!(1 == a21) || (((a11 == 0 && a19 <= 0 && 1 == a25) && a28 <= 10) && a17 == 8)) || ((((1 == a25 && a11 == 0) && !(a28 == 0)) && a19 == 1) && a17 <= 8)) || !(7 == \old(a28))) || !(0 == \old(a11))) || ((((a11 == 0 && a19 <= 0) && a28 <= 10) && a17 == 8) && !(a28 == 10))) || (((a17 <= 7 && a28 <= 10) && !(a28 == 8)) && a11 == 1)) || (((((((((!(1 == \old(a25)) && !(a28 == 0)) && a17 == 8) && a19 == 1) && a21 == 1) && !(a28 == 8)) && \old(a28) <= 8) && a28 <= 10) && a11 == 1) && !(a28 == 10))) || ((((a28 <= 7 && !(a28 == 0)) && 1 == a25) && a17 == 8) && a19 == 1)) || (((((1 == a25 && !(a28 == 8)) && a28 <= 10) && a19 == 1) && a17 <= 8) && a11 == 1)) || ((a17 <= 7 && a28 <= 7) && 1 == a25)) || ((a17 <= 7 && a19 <= 0) && !(a19 == a11))) || (((a19 <= 0 && a28 <= 7) && a17 <= 8) && a11 == 1)) || !(0 == \old(a25))) || ((a17 <= 7 && 1 == a25) && !(a19 == a11))) || ((((((((!(1 == \old(a25)) && !(a28 == 0)) && a17 == 8) && a19 == 1) && a21 == 1) && !(a28 == 8)) && \old(a28) <= 8) && a11 == 0) && a28 <= 10)) || !(1 == \old(a19))) || !(8 == \old(a17))) || (((a28 <= 7 && 1 == a25) && a17 <= 8) && a11 == 1) [2018-12-09 16:45:43,681 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_687f69e3-cb70-4369-857b-428f90abefad/bin-2019/utaipan/witness.graphml [2018-12-09 16:45:43,681 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 16:45:43,682 INFO L168 Benchmark]: Toolchain (without parser) took 21698.38 ms. Allocated memory was 1.0 GB in the beginning and 2.5 GB in the end (delta: 1.4 GB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -183.0 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2018-12-09 16:45:43,683 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 16:45:43,683 INFO L168 Benchmark]: CACSL2BoogieTranslator took 338.03 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -152.8 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. [2018-12-09 16:45:43,683 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.38 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 16:45:43,683 INFO L168 Benchmark]: Boogie Preprocessor took 47.99 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2018-12-09 16:45:43,683 INFO L168 Benchmark]: RCFGBuilder took 558.62 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 984.9 MB in the end (delta: 102.4 MB). Peak memory consumption was 102.4 MB. Max. memory is 11.5 GB. [2018-12-09 16:45:43,684 INFO L168 Benchmark]: TraceAbstraction took 20631.03 ms. Allocated memory was 1.1 GB in the beginning and 2.5 GB in the end (delta: 1.3 GB). Free memory was 984.9 MB in the beginning and 1.2 GB in the end (delta: -171.0 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-12-09 16:45:43,684 INFO L168 Benchmark]: Witness Printer took 97.20 ms. Allocated memory is still 2.5 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 31.3 MB). Peak memory consumption was 31.3 MB. Max. memory is 11.5 GB. [2018-12-09 16:45:43,685 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 338.03 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -152.8 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.38 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 47.99 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 558.62 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 984.9 MB in the end (delta: 102.4 MB). Peak memory consumption was 102.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 20631.03 ms. Allocated memory was 1.1 GB in the beginning and 2.5 GB in the end (delta: 1.3 GB). Free memory was 984.9 MB in the beginning and 1.2 GB in the end (delta: -171.0 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. * Witness Printer took 97.20 ms. Allocated memory is still 2.5 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 31.3 MB). Peak memory consumption was 31.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 580]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((((((((((((!(1 == a21) || (((a11 == 0 && a19 <= 0 && 1 == a25) && a28 <= 10) && a17 == 8)) || ((((1 == a25 && a11 == 0) && !(a28 == 0)) && a19 == 1) && a17 <= 8)) || !(7 == \old(a28))) || !(0 == \old(a11))) || ((((a11 == 0 && a19 <= 0) && a28 <= 10) && a17 == 8) && !(a28 == 10))) || (((a17 <= 7 && a28 <= 10) && !(a28 == 8)) && a11 == 1)) || (((((((((!(1 == \old(a25)) && !(a28 == 0)) && a17 == 8) && a19 == 1) && a21 == 1) && !(a28 == 8)) && \old(a28) <= 8) && a28 <= 10) && a11 == 1) && !(a28 == 10))) || ((((a28 <= 7 && !(a28 == 0)) && 1 == a25) && a17 == 8) && a19 == 1)) || (((((1 == a25 && !(a28 == 8)) && a28 <= 10) && a19 == 1) && a17 <= 8) && a11 == 1)) || ((a17 <= 7 && a28 <= 7) && 1 == a25)) || ((a17 <= 7 && a19 <= 0) && !(a19 == a11))) || (((a19 <= 0 && a28 <= 7) && a17 <= 8) && a11 == 1)) || !(0 == \old(a25))) || ((a17 <= 7 && 1 == a25) && !(a19 == a11))) || ((((((((!(1 == \old(a25)) && !(a28 == 0)) && a17 == 8) && a19 == 1) && a21 == 1) && !(a28 == 8)) && \old(a28) <= 8) && a11 == 0) && a28 <= 10)) || !(1 == \old(a19))) || !(8 == \old(a17))) || (((a28 <= 7 && 1 == a25) && a17 <= 8) && a11 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. SAFE Result, 20.5s OverallTime, 12 OverallIterations, 6 TraceHistogramMax, 12.6s AutomataDifference, 0.0s DeadEndRemovalTime, 1.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 1269 SDtfs, 7079 SDslu, 1090 SDs, 0 SdLazy, 10906 SolverSat, 2013 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.1s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 3849 GetRequests, 3670 SyntacticMatches, 11 SemanticMatches, 168 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 761 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7040occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.2s AbstIntTime, 10 AbstIntIterations, 4 AbstIntStrong, 0.997172261392257 AbsIntWeakeningRatio, 0.1964956195244055 AbsIntAvgWeakeningVarsNumRemoved, 26.34918648310388 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 868 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 218 PreInvPairs, 288 NumberOfFragments, 1077 HoareAnnotationTreeSize, 218 FomulaSimplifications, 13139 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 4925 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 3966 NumberOfCodeBlocks, 3966 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 5374 ConstructedInterpolants, 0 QuantifiedInterpolants, 3268058 SizeOfPredicates, 5 NumberOfNonLiveVariables, 3233 ConjunctsInSsa, 27 ConjunctsInUnsatCore, 24 InterpolantComputations, 8 PerfectInterpolantSequences, 2844/3234 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...