./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label11_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ae25c28c-5634-49f7-9ea8-72d32c973d0e/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ae25c28c-5634-49f7-9ea8-72d32c973d0e/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ae25c28c-5634-49f7-9ea8-72d32c973d0e/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ae25c28c-5634-49f7-9ea8-72d32c973d0e/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label11_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ae25c28c-5634-49f7-9ea8-72d32c973d0e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ae25c28c-5634-49f7-9ea8-72d32c973d0e/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 38eca36787df6152c26f941ea8052099b3b63076 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 11:06:49,534 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:06:49,535 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:06:49,544 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:06:49,544 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:06:49,545 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:06:49,545 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:06:49,547 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:06:49,548 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:06:49,548 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:06:49,549 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:06:49,549 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:06:49,550 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:06:49,551 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:06:49,552 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:06:49,552 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:06:49,553 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:06:49,555 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:06:49,556 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:06:49,557 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:06:49,558 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:06:49,559 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:06:49,561 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:06:49,561 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:06:49,562 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:06:49,562 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:06:49,563 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:06:49,563 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:06:49,564 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:06:49,565 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:06:49,566 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:06:49,566 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:06:49,566 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:06:49,566 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:06:49,567 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:06:49,568 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:06:49,568 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ae25c28c-5634-49f7-9ea8-72d32c973d0e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 11:06:49,579 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:06:49,579 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:06:49,580 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:06:49,580 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 11:06:49,580 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 11:06:49,580 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 11:06:49,580 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 11:06:49,581 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 11:06:49,581 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 11:06:49,582 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 11:06:49,582 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 11:06:49,582 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 11:06:49,582 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 11:06:49,583 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:06:49,583 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:06:49,583 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:06:49,583 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:06:49,583 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:06:49,583 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:06:49,584 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:06:49,584 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:06:49,584 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:06:49,584 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:06:49,584 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:06:49,584 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:06:49,584 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:06:49,585 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:06:49,585 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:06:49,586 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 11:06:49,587 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 11:06:49,587 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:06:49,587 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:06:49,587 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:06:49,587 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 11:06:49,587 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:06:49,588 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 11:06:49,588 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 11:06:49,588 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_ae25c28c-5634-49f7-9ea8-72d32c973d0e/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 38eca36787df6152c26f941ea8052099b3b63076 [2018-11-18 11:06:49,612 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:06:49,621 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:06:49,623 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:06:49,625 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:06:49,625 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:06:49,625 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ae25c28c-5634-49f7-9ea8-72d32c973d0e/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem10_label11_true-unreach-call.c [2018-11-18 11:06:49,671 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ae25c28c-5634-49f7-9ea8-72d32c973d0e/bin-2019/utaipan/data/27faf9886/af8768f325af44af86d28eab4059de0c/FLAG8fbd59d74 [2018-11-18 11:06:50,115 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:06:50,115 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ae25c28c-5634-49f7-9ea8-72d32c973d0e/sv-benchmarks/c/eca-rers2012/Problem10_label11_true-unreach-call.c [2018-11-18 11:06:50,125 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ae25c28c-5634-49f7-9ea8-72d32c973d0e/bin-2019/utaipan/data/27faf9886/af8768f325af44af86d28eab4059de0c/FLAG8fbd59d74 [2018-11-18 11:06:50,137 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ae25c28c-5634-49f7-9ea8-72d32c973d0e/bin-2019/utaipan/data/27faf9886/af8768f325af44af86d28eab4059de0c [2018-11-18 11:06:50,140 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:06:50,141 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:06:50,142 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:06:50,142 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:06:50,145 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:06:50,146 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:06:50" (1/1) ... [2018-11-18 11:06:50,148 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f8d50c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:06:50, skipping insertion in model container [2018-11-18 11:06:50,148 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:06:50" (1/1) ... [2018-11-18 11:06:50,156 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:06:50,192 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:06:50,424 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:06:50,426 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:06:50,494 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:06:50,503 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:06:50,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:06:50 WrapperNode [2018-11-18 11:06:50,503 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:06:50,504 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:06:50,504 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:06:50,504 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:06:50,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:06:50" (1/1) ... [2018-11-18 11:06:50,568 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:06:50" (1/1) ... [2018-11-18 11:06:50,574 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:06:50,575 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:06:50,575 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:06:50,575 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:06:50,581 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:06:50" (1/1) ... [2018-11-18 11:06:50,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:06:50" (1/1) ... [2018-11-18 11:06:50,585 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:06:50" (1/1) ... [2018-11-18 11:06:50,585 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:06:50" (1/1) ... [2018-11-18 11:06:50,606 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:06:50" (1/1) ... [2018-11-18 11:06:50,616 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:06:50" (1/1) ... [2018-11-18 11:06:50,619 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:06:50" (1/1) ... [2018-11-18 11:06:50,623 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:06:50,624 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:06:50,624 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:06:50,624 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:06:50,625 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:06:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ae25c28c-5634-49f7-9ea8-72d32c973d0e/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 [2018-11-18 11:06:50,664 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 11:06:50,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 11:06:50,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 11:06:50,665 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 11:06:50,665 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 11:06:50,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:06:50,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:06:50,665 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 11:06:50,665 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 11:06:51,464 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:06:51,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:06:51 BoogieIcfgContainer [2018-11-18 11:06:51,464 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:06:51,465 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 11:06:51,465 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 11:06:51,467 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 11:06:51,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:06:50" (1/3) ... [2018-11-18 11:06:51,467 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b07320e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:06:51, skipping insertion in model container [2018-11-18 11:06:51,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:06:50" (2/3) ... [2018-11-18 11:06:51,468 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b07320e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:06:51, skipping insertion in model container [2018-11-18 11:06:51,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:06:51" (3/3) ... [2018-11-18 11:06:51,469 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label11_true-unreach-call.c [2018-11-18 11:06:51,475 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 11:06:51,480 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 11:06:51,489 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 11:06:51,511 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 11:06:51,512 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 11:06:51,512 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 11:06:51,512 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:06:51,512 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:06:51,512 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 11:06:51,512 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:06:51,512 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 11:06:51,528 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2018-11-18 11:06:51,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-18 11:06:51,534 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:06:51,535 INFO L375 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] [2018-11-18 11:06:51,536 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:06:51,540 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:06:51,540 INFO L82 PathProgramCache]: Analyzing trace with hash 1604912700, now seen corresponding path program 1 times [2018-11-18 11:06:51,542 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:06:51,571 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:06:51,572 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:06:51,572 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:06:51,572 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:06:51,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:06:51,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:06:51,769 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:06:51,770 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 11:06:51,770 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:06:51,774 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 11:06:51,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:06:51,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:06:51,788 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 3 states. [2018-11-18 11:06:52,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:06:52,390 INFO L93 Difference]: Finished difference Result 574 states and 992 transitions. [2018-11-18 11:06:52,390 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:06:52,391 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2018-11-18 11:06:52,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:06:52,402 INFO L225 Difference]: With dead ends: 574 [2018-11-18 11:06:52,402 INFO L226 Difference]: Without dead ends: 356 [2018-11-18 11:06:52,406 INFO L604 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 [2018-11-18 11:06:52,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2018-11-18 11:06:52,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 356. [2018-11-18 11:06:52,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2018-11-18 11:06:52,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 609 transitions. [2018-11-18 11:06:52,451 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 609 transitions. Word has length 68 [2018-11-18 11:06:52,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:06:52,451 INFO L480 AbstractCegarLoop]: Abstraction has 356 states and 609 transitions. [2018-11-18 11:06:52,451 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 11:06:52,452 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 609 transitions. [2018-11-18 11:06:52,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-11-18 11:06:52,457 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:06:52,458 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:06:52,458 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:06:52,458 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:06:52,459 INFO L82 PathProgramCache]: Analyzing trace with hash 633419456, now seen corresponding path program 1 times [2018-11-18 11:06:52,459 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:06:52,460 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:06:52,460 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:06:52,460 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:06:52,460 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:06:52,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:06:52,646 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:06:52,646 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:06:52,647 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 11:06:52,647 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:06:52,648 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 11:06:52,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 11:06:52,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 11:06:52,649 INFO L87 Difference]: Start difference. First operand 356 states and 609 transitions. Second operand 5 states. [2018-11-18 11:06:53,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:06:53,636 INFO L93 Difference]: Finished difference Result 1140 states and 2022 transitions. [2018-11-18 11:06:53,638 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 11:06:53,638 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 188 [2018-11-18 11:06:53,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:06:53,642 INFO L225 Difference]: With dead ends: 1140 [2018-11-18 11:06:53,642 INFO L226 Difference]: Without dead ends: 790 [2018-11-18 11:06:53,643 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-18 11:06:53,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2018-11-18 11:06:53,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 784. [2018-11-18 11:06:53,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 784 states. [2018-11-18 11:06:53,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 784 states and 1300 transitions. [2018-11-18 11:06:53,669 INFO L78 Accepts]: Start accepts. Automaton has 784 states and 1300 transitions. Word has length 188 [2018-11-18 11:06:53,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:06:53,670 INFO L480 AbstractCegarLoop]: Abstraction has 784 states and 1300 transitions. [2018-11-18 11:06:53,670 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 11:06:53,670 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 1300 transitions. [2018-11-18 11:06:53,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-11-18 11:06:53,673 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:06:53,674 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:06:53,674 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:06:53,674 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:06:53,674 INFO L82 PathProgramCache]: Analyzing trace with hash 1277434075, now seen corresponding path program 1 times [2018-11-18 11:06:53,674 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:06:53,675 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:06:53,675 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:06:53,675 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:06:53,675 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:06:53,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:06:53,836 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:06:53,837 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:06:53,837 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 11:06:53,837 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:06:53,837 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 11:06:53,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 11:06:53,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 11:06:53,838 INFO L87 Difference]: Start difference. First operand 784 states and 1300 transitions. Second operand 6 states. [2018-11-18 11:06:54,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:06:54,750 INFO L93 Difference]: Finished difference Result 1975 states and 3367 transitions. [2018-11-18 11:06:54,750 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 11:06:54,750 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 195 [2018-11-18 11:06:54,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:06:54,755 INFO L225 Difference]: With dead ends: 1975 [2018-11-18 11:06:54,755 INFO L226 Difference]: Without dead ends: 1197 [2018-11-18 11:06:54,758 INFO L604 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 [2018-11-18 11:06:54,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1197 states. [2018-11-18 11:06:54,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1197 to 1177. [2018-11-18 11:06:54,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1177 states. [2018-11-18 11:06:54,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1177 states to 1177 states and 1754 transitions. [2018-11-18 11:06:54,788 INFO L78 Accepts]: Start accepts. Automaton has 1177 states and 1754 transitions. Word has length 195 [2018-11-18 11:06:54,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:06:54,788 INFO L480 AbstractCegarLoop]: Abstraction has 1177 states and 1754 transitions. [2018-11-18 11:06:54,788 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 11:06:54,789 INFO L276 IsEmpty]: Start isEmpty. Operand 1177 states and 1754 transitions. [2018-11-18 11:06:54,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2018-11-18 11:06:54,793 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:06:54,793 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:06:54,794 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:06:54,794 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:06:54,794 INFO L82 PathProgramCache]: Analyzing trace with hash -1200598705, now seen corresponding path program 1 times [2018-11-18 11:06:54,794 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:06:54,795 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:06:54,795 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:06:54,795 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:06:54,795 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:06:54,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:06:55,258 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 191 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:06:55,258 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:06:55,258 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:06:55,259 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 260 with the following transitions: [2018-11-18 11:06:55,260 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [445], [447], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [694], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-18 11:06:55,294 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:06:55,294 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:06:56,186 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 11:06:56,187 INFO L272 AbstractInterpreter]: Visited 129 different actions 500 times. Merged at 7 different actions 20 times. Never widened. Performed 5322 root evaluator evaluations with a maximum evaluation depth of 15. Performed 5322 inverse root evaluator evaluations with a maximum inverse evaluation depth of 15. Found 4 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-18 11:06:56,197 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:06:56,198 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 11:06:56,199 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:06:56,199 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ae25c28c-5634-49f7-9ea8-72d32c973d0e/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 [2018-11-18 11:06:56,210 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:06:56,211 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 11:06:56,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:06:56,307 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:06:56,456 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 191 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:06:56,456 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 11:06:56,720 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 191 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:06:56,745 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 11:06:56,745 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 5, 5] total 17 [2018-11-18 11:06:56,745 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 11:06:56,746 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-18 11:06:56,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-18 11:06:56,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2018-11-18 11:06:56,747 INFO L87 Difference]: Start difference. First operand 1177 states and 1754 transitions. Second operand 16 states. [2018-11-18 11:07:00,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:07:00,240 INFO L93 Difference]: Finished difference Result 3810 states and 6145 transitions. [2018-11-18 11:07:00,241 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-11-18 11:07:00,241 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 259 [2018-11-18 11:07:00,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:07:00,250 INFO L225 Difference]: With dead ends: 3810 [2018-11-18 11:07:00,251 INFO L226 Difference]: Without dead ends: 2639 [2018-11-18 11:07:00,257 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 583 GetRequests, 529 SyntacticMatches, 3 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 686 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=654, Invalid=2102, Unknown=0, NotChecked=0, Total=2756 [2018-11-18 11:07:00,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2639 states. [2018-11-18 11:07:00,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2639 to 2321. [2018-11-18 11:07:00,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2321 states. [2018-11-18 11:07:00,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2321 states to 2321 states and 3108 transitions. [2018-11-18 11:07:00,307 INFO L78 Accepts]: Start accepts. Automaton has 2321 states and 3108 transitions. Word has length 259 [2018-11-18 11:07:00,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:07:00,308 INFO L480 AbstractCegarLoop]: Abstraction has 2321 states and 3108 transitions. [2018-11-18 11:07:00,308 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-18 11:07:00,308 INFO L276 IsEmpty]: Start isEmpty. Operand 2321 states and 3108 transitions. [2018-11-18 11:07:00,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-18 11:07:00,313 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:07:00,313 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:07:00,313 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:07:00,314 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:07:00,314 INFO L82 PathProgramCache]: Analyzing trace with hash -1468713688, now seen corresponding path program 1 times [2018-11-18 11:07:00,314 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:07:00,314 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:07:00,314 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:07:00,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:07:00,315 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:07:00,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:07:00,439 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 200 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:07:00,439 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:07:00,439 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:07:00,439 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 275 with the following transitions: [2018-11-18 11:07:00,440 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [445], [447], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [534], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [718], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-18 11:07:00,443 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:07:00,443 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:07:00,605 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 11:07:00,605 INFO L272 AbstractInterpreter]: Visited 135 different actions 268 times. Merged at 7 different actions 10 times. Never widened. Performed 2810 root evaluator evaluations with a maximum evaluation depth of 10. Performed 2810 inverse root evaluator evaluations with a maximum inverse evaluation depth of 10. Found 2 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-18 11:07:00,613 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:07:00,613 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 11:07:00,613 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:07:00,614 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ae25c28c-5634-49f7-9ea8-72d32c973d0e/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 [2018-11-18 11:07:00,630 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:07:00,630 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 11:07:00,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:07:00,679 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:07:00,745 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 200 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:07:00,745 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 11:07:00,845 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 200 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:07:00,861 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 11:07:00,861 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-18 11:07:00,861 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 11:07:00,861 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 11:07:00,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 11:07:00,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-11-18 11:07:00,862 INFO L87 Difference]: Start difference. First operand 2321 states and 3108 transitions. Second operand 9 states. [2018-11-18 11:07:02,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:07:02,158 INFO L93 Difference]: Finished difference Result 6950 states and 10487 transitions. [2018-11-18 11:07:02,158 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-18 11:07:02,158 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 274 [2018-11-18 11:07:02,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:07:02,165 INFO L225 Difference]: With dead ends: 6950 [2018-11-18 11:07:02,165 INFO L226 Difference]: Without dead ends: 1803 [2018-11-18 11:07:02,192 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 569 GetRequests, 551 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2018-11-18 11:07:02,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1803 states. [2018-11-18 11:07:02,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1803 to 1637. [2018-11-18 11:07:02,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1637 states. [2018-11-18 11:07:02,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1637 states to 1637 states and 2042 transitions. [2018-11-18 11:07:02,222 INFO L78 Accepts]: Start accepts. Automaton has 1637 states and 2042 transitions. Word has length 274 [2018-11-18 11:07:02,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:07:02,223 INFO L480 AbstractCegarLoop]: Abstraction has 1637 states and 2042 transitions. [2018-11-18 11:07:02,223 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 11:07:02,223 INFO L276 IsEmpty]: Start isEmpty. Operand 1637 states and 2042 transitions. [2018-11-18 11:07:02,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2018-11-18 11:07:02,227 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:07:02,227 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:07:02,227 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:07:02,228 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:07:02,228 INFO L82 PathProgramCache]: Analyzing trace with hash -220726540, now seen corresponding path program 1 times [2018-11-18 11:07:02,228 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:07:02,228 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:07:02,228 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:07:02,229 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:07:02,229 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:07:02,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:07:02,324 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 122 proven. 91 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 11:07:02,324 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:07:02,324 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:07:02,324 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 285 with the following transitions: [2018-11-18 11:07:02,325 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [445], [447], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [598], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [694], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-18 11:07:02,327 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:07:02,328 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:07:02,392 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 11:07:02,392 INFO L272 AbstractInterpreter]: Visited 125 different actions 125 times. Never merged. Never widened. Performed 1208 root evaluator evaluations with a maximum evaluation depth of 9. Performed 1208 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Never found a fixpoint. Largest state had 24 variables. [2018-11-18 11:07:02,401 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:07:02,401 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 11:07:02,675 INFO L227 lantSequenceWeakener]: Weakened 275 states. On average, predicates are now at 73.51% of their original sizes. [2018-11-18 11:07:02,675 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 11:07:02,711 INFO L415 sIntCurrentIteration]: We unified 283 AI predicates to 283 [2018-11-18 11:07:02,711 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 11:07:02,712 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 11:07:02,712 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-11-18 11:07:02,712 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:07:02,712 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 11:07:02,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 11:07:02,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 11:07:02,713 INFO L87 Difference]: Start difference. First operand 1637 states and 2042 transitions. Second operand 6 states. [2018-11-18 11:07:10,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:07:10,678 INFO L93 Difference]: Finished difference Result 2990 states and 3753 transitions. [2018-11-18 11:07:10,678 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 11:07:10,678 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 284 [2018-11-18 11:07:10,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:07:10,682 INFO L225 Difference]: With dead ends: 2990 [2018-11-18 11:07:10,682 INFO L226 Difference]: Without dead ends: 1639 [2018-11-18 11:07:10,683 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 284 GetRequests, 279 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-18 11:07:10,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1639 states. [2018-11-18 11:07:10,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1639 to 1637. [2018-11-18 11:07:10,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1637 states. [2018-11-18 11:07:10,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1637 states to 1637 states and 2031 transitions. [2018-11-18 11:07:10,707 INFO L78 Accepts]: Start accepts. Automaton has 1637 states and 2031 transitions. Word has length 284 [2018-11-18 11:07:10,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:07:10,708 INFO L480 AbstractCegarLoop]: Abstraction has 1637 states and 2031 transitions. [2018-11-18 11:07:10,708 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 11:07:10,708 INFO L276 IsEmpty]: Start isEmpty. Operand 1637 states and 2031 transitions. [2018-11-18 11:07:10,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-11-18 11:07:10,712 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:07:10,712 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:07:10,712 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:07:10,712 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:07:10,713 INFO L82 PathProgramCache]: Analyzing trace with hash 255407008, now seen corresponding path program 1 times [2018-11-18 11:07:10,713 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:07:10,713 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:07:10,713 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:07:10,713 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:07:10,713 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:07:10,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:07:10,882 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 123 proven. 46 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-11-18 11:07:10,882 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:07:10,882 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:07:10,882 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 311 with the following transitions: [2018-11-18 11:07:10,883 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [445], [447], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [718], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-18 11:07:10,885 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:07:10,885 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:07:10,986 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 11:07:10,986 INFO L272 AbstractInterpreter]: Visited 134 different actions 262 times. Merged at 5 different actions 5 times. Never widened. Performed 2717 root evaluator evaluations with a maximum evaluation depth of 13. Performed 2717 inverse root evaluator evaluations with a maximum inverse evaluation depth of 13. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-18 11:07:10,993 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:07:10,993 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 11:07:11,153 INFO L227 lantSequenceWeakener]: Weakened 307 states. On average, predicates are now at 78.45% of their original sizes. [2018-11-18 11:07:11,153 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 11:07:11,202 INFO L415 sIntCurrentIteration]: We unified 309 AI predicates to 309 [2018-11-18 11:07:11,202 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 11:07:11,202 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 11:07:11,202 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-18 11:07:11,202 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:07:11,203 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 11:07:11,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 11:07:11,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 11:07:11,203 INFO L87 Difference]: Start difference. First operand 1637 states and 2031 transitions. Second operand 10 states. [2018-11-18 11:07:21,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:07:21,080 INFO L93 Difference]: Finished difference Result 2944 states and 3704 transitions. [2018-11-18 11:07:21,080 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-18 11:07:21,080 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 310 [2018-11-18 11:07:21,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:07:21,083 INFO L225 Difference]: With dead ends: 2944 [2018-11-18 11:07:21,083 INFO L226 Difference]: Without dead ends: 1593 [2018-11-18 11:07:21,085 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 320 GetRequests, 301 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2018-11-18 11:07:21,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1593 states. [2018-11-18 11:07:21,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1593 to 1532. [2018-11-18 11:07:21,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1532 states. [2018-11-18 11:07:21,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1532 states to 1532 states and 1752 transitions. [2018-11-18 11:07:21,103 INFO L78 Accepts]: Start accepts. Automaton has 1532 states and 1752 transitions. Word has length 310 [2018-11-18 11:07:21,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:07:21,103 INFO L480 AbstractCegarLoop]: Abstraction has 1532 states and 1752 transitions. [2018-11-18 11:07:21,103 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 11:07:21,103 INFO L276 IsEmpty]: Start isEmpty. Operand 1532 states and 1752 transitions. [2018-11-18 11:07:21,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2018-11-18 11:07:21,107 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:07:21,108 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:07:21,108 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:07:21,108 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:07:21,108 INFO L82 PathProgramCache]: Analyzing trace with hash -341971068, now seen corresponding path program 1 times [2018-11-18 11:07:21,108 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:07:21,109 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:07:21,109 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:07:21,109 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:07:21,109 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:07:21,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:07:21,521 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 315 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:07:21,521 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:07:21,521 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:07:21,521 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 383 with the following transitions: [2018-11-18 11:07:21,522 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [445], [447], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [526], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [679], [683], [687], [691], [694], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-18 11:07:21,523 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:07:21,523 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:07:21,749 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 11:07:21,750 INFO L272 AbstractInterpreter]: Visited 130 different actions 388 times. Merged at 8 different actions 22 times. Never widened. Performed 4119 root evaluator evaluations with a maximum evaluation depth of 15. Performed 4119 inverse root evaluator evaluations with a maximum inverse evaluation depth of 15. Found 5 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-18 11:07:21,753 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:07:21,753 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 11:07:21,753 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:07:21,753 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ae25c28c-5634-49f7-9ea8-72d32c973d0e/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 [2018-11-18 11:07:21,761 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:07:21,761 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 11:07:21,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:07:21,823 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:07:31,398 WARN L180 SmtUtils]: Spent 9.50 s on a formula simplification. DAG size of input: 90 DAG size of output: 47 [2018-11-18 11:07:31,613 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 391 proven. 2 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-11-18 11:07:31,613 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 11:07:31,936 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:31,975 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 26 [2018-11-18 11:07:32,106 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:32,145 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:32,181 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:32,222 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:32,265 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:32,309 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:32,366 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:32,419 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:32,470 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:32,509 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:32,548 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:32,607 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:32,646 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:32,691 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:32,731 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:32,769 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:32,809 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:32,865 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:32,909 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:32,955 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:33,001 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:33,056 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:33,103 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:33,142 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:33,180 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:33,219 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:33,257 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:33,294 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:33,358 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:33,421 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:33,483 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:33,532 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:33,585 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:33,631 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:33,680 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:33,721 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:33,758 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:33,796 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:33,832 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:33,871 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:33,910 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:33,961 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:34,004 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:34,042 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:34,079 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:34,115 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:34,150 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:34,184 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:34,221 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:34,257 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:34,294 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:34,332 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:34,368 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:34,406 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:34,447 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:34,490 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:34,532 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:34,570 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:34,605 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:34,643 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:34,679 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:34,723 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:34,758 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:34,794 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:34,832 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:34,869 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:34,920 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:34,970 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:35,018 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:35,062 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:35,101 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:35,145 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:35,186 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:35,225 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:35,271 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:35,309 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:35,345 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:35,381 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:35,418 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:35,453 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:35,490 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:35,527 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:35,562 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:35,598 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:35,644 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:35,689 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:35,742 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:35,794 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:35,835 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:35,872 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:35,906 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:35,942 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:35,981 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:36,025 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:36,062 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:36,098 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:36,135 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:36,170 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:36,208 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:36,245 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:36,286 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:36,337 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:36,374 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:36,413 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:36,453 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:36,497 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:36,544 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:36,581 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-18 11:07:37,051 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 189 proven. 261 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 11:07:37,066 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 11:07:37,067 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 8, 8] total 28 [2018-11-18 11:07:37,067 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 11:07:37,067 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-11-18 11:07:37,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-11-18 11:07:37,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=645, Unknown=0, NotChecked=0, Total=756 [2018-11-18 11:07:37,068 INFO L87 Difference]: Start difference. First operand 1532 states and 1752 transitions. Second operand 23 states. [2018-11-18 11:07:39,715 WARN L180 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 73 DAG size of output: 43 [2018-11-18 11:07:40,773 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 38 [2018-11-18 11:07:58,921 WARN L180 SmtUtils]: Spent 11.82 s on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2018-11-18 11:08:03,460 WARN L180 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 34 [2018-11-18 11:08:07,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:08:07,400 INFO L93 Difference]: Finished difference Result 6598 states and 8213 transitions. [2018-11-18 11:08:07,400 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2018-11-18 11:08:07,400 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 382 [2018-11-18 11:08:07,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:08:07,413 INFO L225 Difference]: With dead ends: 6598 [2018-11-18 11:08:07,413 INFO L226 Difference]: Without dead ends: 4136 [2018-11-18 11:08:07,421 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 894 GetRequests, 665 SyntacticMatches, 113 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6839 ImplicationChecksByTransitivity, 31.2s TimeCoverageRelationStatistics Valid=2573, Invalid=11233, Unknown=0, NotChecked=0, Total=13806 [2018-11-18 11:08:07,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4136 states. [2018-11-18 11:08:07,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4136 to 3463. [2018-11-18 11:08:07,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3463 states. [2018-11-18 11:08:07,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3463 states to 3463 states and 4123 transitions. [2018-11-18 11:08:07,503 INFO L78 Accepts]: Start accepts. Automaton has 3463 states and 4123 transitions. Word has length 382 [2018-11-18 11:08:07,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:08:07,503 INFO L480 AbstractCegarLoop]: Abstraction has 3463 states and 4123 transitions. [2018-11-18 11:08:07,503 INFO L481 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-11-18 11:08:07,504 INFO L276 IsEmpty]: Start isEmpty. Operand 3463 states and 4123 transitions. [2018-11-18 11:08:07,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 397 [2018-11-18 11:08:07,511 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:08:07,511 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:08:07,511 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:08:07,512 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:08:07,512 INFO L82 PathProgramCache]: Analyzing trace with hash -1553693176, now seen corresponding path program 1 times [2018-11-18 11:08:07,512 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:08:07,512 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:08:07,513 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:08:07,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:08:07,513 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:08:07,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:08:07,695 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 189 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2018-11-18 11:08:07,696 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:08:07,696 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 11:08:07,696 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:08:07,696 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 11:08:07,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 11:08:07,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 11:08:07,697 INFO L87 Difference]: Start difference. First operand 3463 states and 4123 transitions. Second operand 4 states. [2018-11-18 11:08:08,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:08:08,100 INFO L93 Difference]: Finished difference Result 6628 states and 7930 transitions. [2018-11-18 11:08:08,113 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 11:08:08,113 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 396 [2018-11-18 11:08:08,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:08:08,114 INFO L225 Difference]: With dead ends: 6628 [2018-11-18 11:08:08,114 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 11:08:08,117 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 11:08:08,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 11:08:08,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 11:08:08,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 11:08:08,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 11:08:08,118 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 396 [2018-11-18 11:08:08,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:08:08,118 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 11:08:08,118 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 11:08:08,118 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 11:08:08,119 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 11:08:08,122 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 11:08:08,199 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:08:08,224 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:08:08,224 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:08:08,231 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:08:08,245 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:08:08,247 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:08:08,251 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:08:08,252 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:08:08,253 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:08:08,254 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:08:08,257 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:08:08,258 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:08:08,265 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:08:08,285 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:08:08,291 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:08:08,292 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:08:08,301 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:08:08,311 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:08:08,312 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 172 [2018-11-18 11:08:08,316 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:08:08,325 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:08:08,364 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:08:08,372 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:08:08,375 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:08:08,380 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:08:08,383 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:08:08,385 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:08:08,388 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:08:08,395 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:08:08,403 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:08:08,411 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:08:08,414 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:08:08,415 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:08:08,420 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:08:08,425 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:08:08,427 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 167 [2018-11-18 11:08:08,843 WARN L180 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 52 [2018-11-18 11:08:09,056 WARN L180 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 48 [2018-11-18 11:08:09,292 WARN L180 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 54 [2018-11-18 11:08:09,294 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 11:08:09,294 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a19~0 |old(~a19~0)|) (= |old(~a10~0)| ~a10~0) (= ~a1~0 |old(~a1~0)|)) [2018-11-18 11:08:09,294 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 11:08:09,294 INFO L425 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-11-18 11:08:09,294 INFO L425 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 11:08:09,294 INFO L425 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 11:08:09,294 INFO L425 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 11:08:09,294 INFO L425 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 11:08:09,294 INFO L425 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 11:08:09,295 INFO L425 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 11:08:09,295 INFO L425 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-11-18 11:08:09,295 INFO L425 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-11-18 11:08:09,295 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-18 11:08:09,295 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-18 11:08:09,295 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-18 11:08:09,295 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-18 11:08:09,295 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-18 11:08:09,295 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-18 11:08:09,295 INFO L425 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-11-18 11:08:09,295 INFO L425 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-11-18 11:08:09,295 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 187) no Hoare annotation was computed. [2018-11-18 11:08:09,295 INFO L425 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-11-18 11:08:09,295 INFO L425 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 11:08:09,295 INFO L425 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 11:08:09,295 INFO L425 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 11:08:09,296 INFO L425 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 11:08:09,296 INFO L425 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 11:08:09,296 INFO L425 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-11-18 11:08:09,296 INFO L425 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-11-18 11:08:09,296 INFO L425 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-11-18 11:08:09,296 INFO L425 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-11-18 11:08:09,296 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-18 11:08:09,296 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-18 11:08:09,296 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-18 11:08:09,296 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-18 11:08:09,296 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-18 11:08:09,296 INFO L425 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-11-18 11:08:09,296 INFO L425 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-11-18 11:08:09,296 INFO L425 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-11-18 11:08:09,296 INFO L425 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-11-18 11:08:09,296 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-11-18 11:08:09,296 INFO L425 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 11:08:09,297 INFO L425 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 11:08:09,297 INFO L425 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 11:08:09,297 INFO L425 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 11:08:09,297 INFO L425 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 11:08:09,297 INFO L425 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-11-18 11:08:09,297 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-18 11:08:09,297 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-18 11:08:09,297 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-18 11:08:09,297 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-18 11:08:09,297 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-18 11:08:09,297 INFO L425 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-11-18 11:08:09,297 INFO L425 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-11-18 11:08:09,297 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-11-18 11:08:09,297 INFO L425 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-11-18 11:08:09,297 INFO L425 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 11:08:09,297 INFO L425 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 11:08:09,298 INFO L425 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 11:08:09,298 INFO L425 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 11:08:09,298 INFO L425 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 11:08:09,298 INFO L425 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-11-18 11:08:09,298 INFO L425 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-11-18 11:08:09,298 INFO L425 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-11-18 11:08:09,298 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-18 11:08:09,298 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-18 11:08:09,298 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-18 11:08:09,298 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-18 11:08:09,298 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-18 11:08:09,298 INFO L425 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-11-18 11:08:09,298 INFO L425 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-11-18 11:08:09,298 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-11-18 11:08:09,298 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-11-18 11:08:09,298 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-11-18 11:08:09,298 INFO L425 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 11:08:09,299 INFO L425 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 11:08:09,299 INFO L425 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 11:08:09,299 INFO L425 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 11:08:09,299 INFO L425 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 11:08:09,299 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-18 11:08:09,299 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-18 11:08:09,299 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-18 11:08:09,299 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-18 11:08:09,299 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-18 11:08:09,299 INFO L425 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-11-18 11:08:09,299 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-11-18 11:08:09,299 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-11-18 11:08:09,299 INFO L425 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-11-18 11:08:09,299 INFO L425 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 11:08:09,299 INFO L425 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 11:08:09,299 INFO L425 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 11:08:09,300 INFO L425 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 11:08:09,300 INFO L425 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 11:08:09,300 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2018-11-18 11:08:09,300 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2018-11-18 11:08:09,300 INFO L425 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-11-18 11:08:09,300 INFO L425 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-11-18 11:08:09,300 INFO L425 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-11-18 11:08:09,300 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-11-18 11:08:09,300 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-18 11:08:09,300 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-18 11:08:09,300 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-18 11:08:09,300 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-18 11:08:09,300 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-18 11:08:09,300 INFO L425 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-11-18 11:08:09,300 INFO L425 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-11-18 11:08:09,300 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-11-18 11:08:09,300 INFO L425 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-11-18 11:08:09,301 INFO L425 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 11:08:09,301 INFO L425 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 11:08:09,301 INFO L425 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 11:08:09,301 INFO L425 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 11:08:09,301 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-11-18 11:08:09,301 INFO L425 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 11:08:09,301 INFO L425 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2018-11-18 11:08:09,301 INFO L425 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-11-18 11:08:09,301 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-11-18 11:08:09,301 INFO L425 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-11-18 11:08:09,301 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-18 11:08:09,301 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-18 11:08:09,301 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-18 11:08:09,301 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-18 11:08:09,301 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-18 11:08:09,301 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-18 11:08:09,302 INFO L425 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-11-18 11:08:09,302 INFO L425 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-11-18 11:08:09,302 INFO L425 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-11-18 11:08:09,302 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-11-18 11:08:09,302 INFO L425 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 11:08:09,302 INFO L425 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 11:08:09,302 INFO L425 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 11:08:09,302 INFO L425 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 11:08:09,302 INFO L425 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 11:08:09,302 INFO L425 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 11:08:09,302 INFO L425 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-11-18 11:08:09,302 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-11-18 11:08:09,302 INFO L425 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-11-18 11:08:09,302 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-18 11:08:09,303 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-18 11:08:09,303 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-18 11:08:09,303 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-18 11:08:09,303 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-18 11:08:09,303 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-18 11:08:09,303 INFO L425 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-11-18 11:08:09,303 INFO L425 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-11-18 11:08:09,303 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse13 (= ~a1~0 |old(~a1~0)|)) (.cse11 (= ~a19~0 |old(~a19~0)|)) (.cse12 (= |old(~a10~0)| ~a10~0))) (let ((.cse2 (< 2 |old(~a10~0)|)) (.cse8 (and .cse13 .cse11 .cse12)) (.cse5 (not (= 4 |old(~a10~0)|))) (.cse9 (not (= 9 |old(~a19~0)|))) (.cse10 (= |calculate_output_#in~input| 0)) (.cse7 (= 6 |old(~a19~0)|)) (.cse3 (and .cse11 .cse12 .cse13)) (.cse6 (< 8 |old(~a19~0)|)) (.cse0 (not (= 14 ~a4~0))) (.cse1 (not (= 0 ~a12~0))) (.cse4 (= 1 |old(~a10~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse3 .cse5 .cse6 .cse0 .cse1) (or .cse0 .cse1 .cse7 .cse2 .cse3) (or .cse8 .cse0 .cse1 .cse9 .cse10 (not (= 3 |old(~a10~0)|))) (or .cse8 .cse5 .cse0 .cse1 .cse9 .cse10) (or .cse6 .cse0 .cse1 .cse7 .cse3) (or .cse3 .cse6 .cse0 .cse1 (<= (+ |old(~a1~0)| 13) 0) .cse4)))) [2018-11-18 11:08:09,303 INFO L425 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-11-18 11:08:09,303 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-11-18 11:08:09,303 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-11-18 11:08:09,303 INFO L425 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 11:08:09,303 INFO L425 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 11:08:09,304 INFO L425 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 11:08:09,304 INFO L425 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 11:08:09,304 INFO L425 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 11:08:09,304 INFO L425 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 11:08:09,304 INFO L425 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-11-18 11:08:09,304 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-18 11:08:09,304 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-18 11:08:09,304 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-18 11:08:09,304 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-18 11:08:09,304 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-18 11:08:09,304 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-18 11:08:09,304 INFO L425 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-11-18 11:08:09,304 INFO L425 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-11-18 11:08:09,304 INFO L425 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-11-18 11:08:09,304 INFO L425 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-11-18 11:08:09,304 INFO L425 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-11-18 11:08:09,304 INFO L425 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-11-18 11:08:09,305 INFO L425 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 11:08:09,305 INFO L425 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 11:08:09,305 INFO L425 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 11:08:09,305 INFO L425 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 11:08:09,305 INFO L425 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 11:08:09,305 INFO L425 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 11:08:09,305 INFO L425 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-11-18 11:08:09,305 INFO L425 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-11-18 11:08:09,305 INFO L425 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-11-18 11:08:09,305 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-18 11:08:09,305 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-18 11:08:09,305 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-18 11:08:09,305 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-18 11:08:09,305 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-18 11:08:09,305 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-18 11:08:09,305 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-11-18 11:08:09,306 INFO L425 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-11-18 11:08:09,306 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-11-18 11:08:09,306 INFO L425 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 11:08:09,306 INFO L425 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 11:08:09,306 INFO L425 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 11:08:09,306 INFO L425 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 11:08:09,306 INFO L425 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 11:08:09,306 INFO L425 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 11:08:09,306 INFO L425 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-11-18 11:08:09,306 INFO L425 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-11-18 11:08:09,306 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-11-18 11:08:09,306 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-18 11:08:09,306 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-18 11:08:09,306 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-18 11:08:09,306 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-18 11:08:09,306 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-18 11:08:09,306 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-18 11:08:09,307 INFO L425 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-11-18 11:08:09,307 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-11-18 11:08:09,307 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-11-18 11:08:09,307 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 11:08:09,307 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a10~0 0) (= ~a12~0 0) (= ~a1~0 23) (= ~a4~0 14) (= 9 ~a19~0)) [2018-11-18 11:08:09,307 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 11:08:09,307 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 11:08:09,307 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (and (= ~a1~0 23) (= ~a19~0 |old(~a19~0)|) (= |old(~a10~0)| ~a10~0)) (not (= 14 ~a4~0)) (not (= 0 ~a12~0)) (not (= 9 |old(~a19~0)|)) (not (= 23 |old(~a1~0)|)) (not (= 0 |old(~a10~0)|))) [2018-11-18 11:08:09,307 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2018-11-18 11:08:09,307 INFO L421 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (let ((.cse1 (= 4 ~a10~0)) (.cse2 (<= ~a19~0 8)) (.cse0 (and (not (= main_~input~0 0)) (= ~a19~0 9) (= ~a12~0 0) (= ~a4~0 14))) (.cse3 (not (= ~a19~0 6))) (.cse5 (<= ~a10~0 2)) (.cse4 (not (= ~a10~0 1)))) (or (and .cse0 .cse1) (and .cse2 .cse1) (not (= 23 |old(~a1~0)|)) (and .cse3 .cse2) (not (= 0 ~a12~0)) (not (= 9 |old(~a19~0)|)) (not (= 0 |old(~a10~0)|)) (not (= 14 ~a4~0)) (and .cse2 .cse4 (< 0 (+ ~a1~0 13))) (and (= 3 ~a10~0) .cse0) (and .cse3 .cse5) (and .cse5 .cse4))) [2018-11-18 11:08:09,307 INFO L425 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2018-11-18 11:08:09,307 INFO L425 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-11-18 11:08:09,307 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 582 591) no Hoare annotation was computed. [2018-11-18 11:08:09,308 INFO L421 ceAbstractionStarter]: At program point L582-3(lines 582 591) the Hoare annotation is: (let ((.cse1 (= 4 ~a10~0)) (.cse3 (= 9 ~a19~0)) (.cse0 (<= ~a19~0 8)) (.cse2 (not (= ~a19~0 6))) (.cse5 (<= ~a10~0 2)) (.cse4 (not (= ~a10~0 1)))) (or (and .cse0 .cse1) (not (= 23 |old(~a1~0)|)) (and .cse2 .cse0) (not (= 0 ~a12~0)) (and .cse1 .cse3) (not (= 9 |old(~a19~0)|)) (not (= 0 |old(~a10~0)|)) (not (= 14 ~a4~0)) (and (= 3 ~a10~0) .cse3) (and .cse0 .cse4 (< 0 (+ ~a1~0 13))) (and .cse2 .cse5) (and .cse5 .cse4))) [2018-11-18 11:08:09,308 INFO L425 ceAbstractionStarter]: For program point L582-4(lines 576 592) no Hoare annotation was computed. [2018-11-18 11:08:09,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 11:08:09 BoogieIcfgContainer [2018-11-18 11:08:09,316 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 11:08:09,316 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:08:09,316 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:08:09,316 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:08:09,317 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:06:51" (3/4) ... [2018-11-18 11:08:09,319 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 11:08:09,324 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 11:08:09,324 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 11:08:09,324 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 11:08:09,333 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 11:08:09,339 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 11:08:09,363 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((a19 <= 8 && 4 == a10) || !(23 == \old(a1))) || (!(a19 == 6) && a19 <= 8)) || !(0 == a12)) || (4 == a10 && 9 == a19)) || !(9 == \old(a19))) || !(0 == \old(a10))) || !(14 == a4)) || (3 == a10 && 9 == a19)) || ((a19 <= 8 && !(a10 == 1)) && 0 < a1 + 13)) || (!(a19 == 6) && a10 <= 2)) || (a10 <= 2 && !(a10 == 1)) [2018-11-18 11:08:09,427 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ae25c28c-5634-49f7-9ea8-72d32c973d0e/bin-2019/utaipan/witness.graphml [2018-11-18 11:08:09,427 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:08:09,427 INFO L168 Benchmark]: Toolchain (without parser) took 79287.05 ms. Allocated memory was 1.0 GB in the beginning and 4.4 GB in the end (delta: 3.4 GB). Free memory was 945.7 MB in the beginning and 1.3 GB in the end (delta: -360.0 MB). Peak memory consumption was 3.0 GB. Max. memory is 11.5 GB. [2018-11-18 11:08:09,428 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:08:09,428 INFO L168 Benchmark]: CACSL2BoogieTranslator took 361.47 ms. Allocated memory is still 1.0 GB. Free memory was 945.7 MB in the beginning and 916.2 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-11-18 11:08:09,428 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.97 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.9 MB). Free memory was 916.2 MB in the beginning and 1.1 GB in the end (delta: -182.2 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2018-11-18 11:08:09,429 INFO L168 Benchmark]: Boogie Preprocessor took 48.81 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-18 11:08:09,429 INFO L168 Benchmark]: RCFGBuilder took 840.63 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 990.5 MB in the end (delta: 104.4 MB). Peak memory consumption was 104.4 MB. Max. memory is 11.5 GB. [2018-11-18 11:08:09,429 INFO L168 Benchmark]: TraceAbstraction took 77850.94 ms. Allocated memory was 1.1 GB in the beginning and 4.4 GB in the end (delta: 3.3 GB). Free memory was 990.5 MB in the beginning and 1.3 GB in the end (delta: -315.1 MB). Peak memory consumption was 2.9 GB. Max. memory is 11.5 GB. [2018-11-18 11:08:09,429 INFO L168 Benchmark]: Witness Printer took 110.71 ms. Allocated memory is still 4.4 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:08:09,430 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 361.47 ms. Allocated memory is still 1.0 GB. Free memory was 945.7 MB in the beginning and 916.2 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 70.97 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.9 MB). Free memory was 916.2 MB in the beginning and 1.1 GB in the end (delta: -182.2 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.81 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 840.63 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 990.5 MB in the end (delta: 104.4 MB). Peak memory consumption was 104.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 77850.94 ms. Allocated memory was 1.1 GB in the beginning and 4.4 GB in the end (delta: 3.3 GB). Free memory was 990.5 MB in the beginning and 1.3 GB in the end (delta: -315.1 MB). Peak memory consumption was 2.9 GB. Max. memory is 11.5 GB. * Witness Printer took 110.71 ms. Allocated memory is still 4.4 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 187]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: (((((((((((a19 <= 8 && 4 == a10) || !(23 == \old(a1))) || (!(a19 == 6) && a19 <= 8)) || !(0 == a12)) || (4 == a10 && 9 == a19)) || !(9 == \old(a19))) || !(0 == \old(a10))) || !(14 == a4)) || (3 == a10 && 9 == a19)) || ((a19 <= 8 && !(a10 == 1)) && 0 < a1 + 13)) || (!(a19 == 6) && a10 <= 2)) || (a10 <= 2 && !(a10 == 1)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 216 locations, 1 error locations. SAFE Result, 77.8s OverallTime, 9 OverallIterations, 4 TraceHistogramMax, 56.0s AutomataDifference, 0.0s DeadEndRemovalTime, 1.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 757 SDtfs, 13257 SDslu, 1618 SDs, 0 SdLazy, 20520 SolverSat, 4336 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 32.1s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 2679 GetRequests, 2335 SyntacticMatches, 121 SemanticMatches, 223 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7641 ImplicationChecksByTransitivity, 32.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3463occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.5s AbstIntTime, 5 AbstIntIterations, 2 AbstIntStrong, 0.9976725651358006 AbsIntWeakeningRatio, 0.08783783783783784 AbsIntAvgWeakeningVarsNumRemoved, 14.58445945945946 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 1246 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 140 PreInvPairs, 252 NumberOfFragments, 436 HoareAnnotationTreeSize, 140 FomulaSimplifications, 24745 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 12291 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 16.9s InterpolantComputationTime, 3271 NumberOfCodeBlocks, 3271 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 4171 ConstructedInterpolants, 126 QuantifiedInterpolants, 9410995 SizeOfPredicates, 2 NumberOfNonLiveVariables, 1474 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 15 InterpolantComputations, 4 PerfectInterpolantSequences, 3047/3599 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...