./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/bitvector/s3_srvr_2_true-unreach-call_true-no-overflow_false-termination.BV.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a160fba2-f945-4927-92c2-25d8396647ac/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a160fba2-f945-4927-92c2-25d8396647ac/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a160fba2-f945-4927-92c2-25d8396647ac/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a160fba2-f945-4927-92c2-25d8396647ac/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/s3_srvr_2_true-unreach-call_true-no-overflow_false-termination.BV.c.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a160fba2-f945-4927-92c2-25d8396647ac/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a160fba2-f945-4927-92c2-25d8396647ac/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 a763fae72969a01517c5455a7353d92a16a85d9a ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 06:54:37,577 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 06:54:37,578 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 06:54:37,584 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 06:54:37,584 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 06:54:37,585 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 06:54:37,586 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 06:54:37,587 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 06:54:37,588 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 06:54:37,589 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 06:54:37,589 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 06:54:37,590 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 06:54:37,590 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 06:54:37,591 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 06:54:37,591 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 06:54:37,592 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 06:54:37,592 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 06:54:37,593 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 06:54:37,595 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 06:54:37,596 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 06:54:37,596 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 06:54:37,597 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 06:54:37,599 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 06:54:37,599 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 06:54:37,599 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 06:54:37,600 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 06:54:37,601 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 06:54:37,601 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 06:54:37,602 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 06:54:37,602 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 06:54:37,603 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 06:54:37,603 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 06:54:37,603 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 06:54:37,603 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 06:54:37,604 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 06:54:37,604 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 06:54:37,604 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a160fba2-f945-4927-92c2-25d8396647ac/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 06:54:37,614 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 06:54:37,614 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 06:54:37,615 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 06:54:37,615 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 06:54:37,615 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 06:54:37,615 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 06:54:37,615 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 06:54:37,616 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 06:54:37,616 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 06:54:37,616 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 06:54:37,616 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 06:54:37,616 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 06:54:37,616 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 06:54:37,617 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 06:54:37,617 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 06:54:37,617 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 06:54:37,617 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 06:54:37,617 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 06:54:37,617 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 06:54:37,617 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 06:54:37,618 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 06:54:37,618 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 06:54:37,618 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 06:54:37,618 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 06:54:37,618 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 06:54:37,618 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 06:54:37,618 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 06:54:37,618 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 06:54:37,619 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 06:54:37,619 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 06:54:37,619 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 06:54:37,619 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 06:54:37,619 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 06:54:37,619 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 06:54:37,619 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 06:54:37,619 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 06:54:37,619 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 06:54:37,620 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_a160fba2-f945-4927-92c2-25d8396647ac/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 -> a763fae72969a01517c5455a7353d92a16a85d9a [2018-11-23 06:54:37,643 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 06:54:37,652 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 06:54:37,655 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 06:54:37,656 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 06:54:37,656 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 06:54:37,657 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a160fba2-f945-4927-92c2-25d8396647ac/bin-2019/utaipan/../../sv-benchmarks/c/bitvector/s3_srvr_2_true-unreach-call_true-no-overflow_false-termination.BV.c.cil.c [2018-11-23 06:54:37,700 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a160fba2-f945-4927-92c2-25d8396647ac/bin-2019/utaipan/data/14c06deba/ed4c2561285048cfb9e007dbfa506aab/FLAGf5cd6f5e1 [2018-11-23 06:54:38,121 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 06:54:38,122 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a160fba2-f945-4927-92c2-25d8396647ac/sv-benchmarks/c/bitvector/s3_srvr_2_true-unreach-call_true-no-overflow_false-termination.BV.c.cil.c [2018-11-23 06:54:38,131 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a160fba2-f945-4927-92c2-25d8396647ac/bin-2019/utaipan/data/14c06deba/ed4c2561285048cfb9e007dbfa506aab/FLAGf5cd6f5e1 [2018-11-23 06:54:38,143 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a160fba2-f945-4927-92c2-25d8396647ac/bin-2019/utaipan/data/14c06deba/ed4c2561285048cfb9e007dbfa506aab [2018-11-23 06:54:38,145 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 06:54:38,147 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 06:54:38,147 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 06:54:38,147 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 06:54:38,150 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 06:54:38,151 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:54:38" (1/1) ... [2018-11-23 06:54:38,153 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3436f9d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:54:38, skipping insertion in model container [2018-11-23 06:54:38,153 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:54:38" (1/1) ... [2018-11-23 06:54:38,162 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 06:54:38,194 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 06:54:38,348 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:54:38,351 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 06:54:38,389 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:54:38,397 INFO L195 MainTranslator]: Completed translation [2018-11-23 06:54:38,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:54:38 WrapperNode [2018-11-23 06:54:38,397 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 06:54:38,398 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 06:54:38,398 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 06:54:38,398 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 06:54:38,451 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:54:38" (1/1) ... [2018-11-23 06:54:38,460 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:54:38" (1/1) ... [2018-11-23 06:54:38,465 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 06:54:38,466 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 06:54:38,466 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 06:54:38,466 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 06:54:38,473 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:54:38" (1/1) ... [2018-11-23 06:54:38,474 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:54:38" (1/1) ... [2018-11-23 06:54:38,475 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:54:38" (1/1) ... [2018-11-23 06:54:38,475 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:54:38" (1/1) ... [2018-11-23 06:54:38,481 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:54:38" (1/1) ... [2018-11-23 06:54:38,490 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:54:38" (1/1) ... [2018-11-23 06:54:38,491 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:54:38" (1/1) ... [2018-11-23 06:54:38,494 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 06:54:38,494 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 06:54:38,495 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 06:54:38,495 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 06:54:38,495 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:54:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a160fba2-f945-4927-92c2-25d8396647ac/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 [2018-11-23 06:54:38,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 06:54:38,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 06:54:38,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 06:54:38,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 06:54:38,530 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 06:54:38,530 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 06:54:38,530 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2018-11-23 06:54:38,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2018-11-23 06:54:38,630 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 06:54:38,630 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 06:54:38,993 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 06:54:38,993 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 06:54:38,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:54:38 BoogieIcfgContainer [2018-11-23 06:54:38,994 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 06:54:38,994 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 06:54:38,995 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 06:54:38,996 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 06:54:38,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:54:38" (1/3) ... [2018-11-23 06:54:38,997 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e91dc05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:54:38, skipping insertion in model container [2018-11-23 06:54:38,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:54:38" (2/3) ... [2018-11-23 06:54:38,997 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e91dc05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:54:38, skipping insertion in model container [2018-11-23 06:54:38,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:54:38" (3/3) ... [2018-11-23 06:54:38,999 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_srvr_2_true-unreach-call_true-no-overflow_false-termination.BV.c.cil.c [2018-11-23 06:54:39,005 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 06:54:39,011 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 06:54:39,024 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 06:54:39,052 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 06:54:39,052 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 06:54:39,052 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 06:54:39,052 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 06:54:39,052 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 06:54:39,052 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 06:54:39,053 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 06:54:39,053 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 06:54:39,066 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states. [2018-11-23 06:54:39,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-23 06:54:39,071 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:54:39,072 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:54:39,073 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:54:39,076 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:54:39,077 INFO L82 PathProgramCache]: Analyzing trace with hash -214397175, now seen corresponding path program 1 times [2018-11-23 06:54:39,078 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:54:39,108 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:54:39,108 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:54:39,108 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:54:39,108 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:54:39,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:54:39,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:54:39,241 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:54:39,241 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 06:54:39,241 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:54:39,245 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 06:54:39,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 06:54:39,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 06:54:39,256 INFO L87 Difference]: Start difference. First operand 146 states. Second operand 3 states. [2018-11-23 06:54:39,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:54:39,331 INFO L93 Difference]: Finished difference Result 393 states and 669 transitions. [2018-11-23 06:54:39,332 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 06:54:39,333 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 49 [2018-11-23 06:54:39,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:54:39,342 INFO L225 Difference]: With dead ends: 393 [2018-11-23 06:54:39,342 INFO L226 Difference]: Without dead ends: 223 [2018-11-23 06:54:39,345 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 06:54:39,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2018-11-23 06:54:39,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2018-11-23 06:54:39,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2018-11-23 06:54:39,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 336 transitions. [2018-11-23 06:54:39,387 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 336 transitions. Word has length 49 [2018-11-23 06:54:39,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:54:39,387 INFO L480 AbstractCegarLoop]: Abstraction has 223 states and 336 transitions. [2018-11-23 06:54:39,387 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 06:54:39,388 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 336 transitions. [2018-11-23 06:54:39,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-23 06:54:39,390 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:54:39,390 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:54:39,390 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:54:39,390 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:54:39,391 INFO L82 PathProgramCache]: Analyzing trace with hash -83111160, now seen corresponding path program 1 times [2018-11-23 06:54:39,391 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:54:39,392 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:54:39,392 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:54:39,392 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:54:39,392 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:54:39,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:54:39,460 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:54:39,460 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:54:39,461 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 06:54:39,461 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:54:39,462 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 06:54:39,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 06:54:39,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 06:54:39,463 INFO L87 Difference]: Start difference. First operand 223 states and 336 transitions. Second operand 3 states. [2018-11-23 06:54:39,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:54:39,509 INFO L93 Difference]: Finished difference Result 433 states and 659 transitions. [2018-11-23 06:54:39,509 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 06:54:39,509 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2018-11-23 06:54:39,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:54:39,511 INFO L225 Difference]: With dead ends: 433 [2018-11-23 06:54:39,511 INFO L226 Difference]: Without dead ends: 327 [2018-11-23 06:54:39,512 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 06:54:39,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2018-11-23 06:54:39,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 327. [2018-11-23 06:54:39,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 327 states. [2018-11-23 06:54:39,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 494 transitions. [2018-11-23 06:54:39,526 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 494 transitions. Word has length 65 [2018-11-23 06:54:39,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:54:39,527 INFO L480 AbstractCegarLoop]: Abstraction has 327 states and 494 transitions. [2018-11-23 06:54:39,527 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 06:54:39,527 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 494 transitions. [2018-11-23 06:54:39,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-23 06:54:39,529 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:54:39,529 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:54:39,529 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:54:39,530 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:54:39,530 INFO L82 PathProgramCache]: Analyzing trace with hash 336937436, now seen corresponding path program 1 times [2018-11-23 06:54:39,530 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:54:39,531 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:54:39,531 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:54:39,531 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:54:39,531 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:54:39,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:54:39,604 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 06:54:39,605 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:54:39,605 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 06:54:39,605 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:54:39,606 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 06:54:39,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 06:54:39,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 06:54:39,606 INFO L87 Difference]: Start difference. First operand 327 states and 494 transitions. Second operand 3 states. [2018-11-23 06:54:39,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:54:39,796 INFO L93 Difference]: Finished difference Result 779 states and 1203 transitions. [2018-11-23 06:54:39,797 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 06:54:39,797 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 86 [2018-11-23 06:54:39,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:54:39,799 INFO L225 Difference]: With dead ends: 779 [2018-11-23 06:54:39,799 INFO L226 Difference]: Without dead ends: 465 [2018-11-23 06:54:39,801 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 06:54:39,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2018-11-23 06:54:39,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 453. [2018-11-23 06:54:39,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 453 states. [2018-11-23 06:54:39,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 635 transitions. [2018-11-23 06:54:39,821 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 635 transitions. Word has length 86 [2018-11-23 06:54:39,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:54:39,822 INFO L480 AbstractCegarLoop]: Abstraction has 453 states and 635 transitions. [2018-11-23 06:54:39,822 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 06:54:39,822 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 635 transitions. [2018-11-23 06:54:39,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-23 06:54:39,824 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:54:39,825 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:54:39,825 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:54:39,825 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:54:39,825 INFO L82 PathProgramCache]: Analyzing trace with hash 585083930, now seen corresponding path program 1 times [2018-11-23 06:54:39,825 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:54:39,826 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:54:39,826 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:54:39,826 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:54:39,826 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:54:39,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:54:39,886 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 06:54:39,886 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:54:39,886 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 06:54:39,887 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:54:39,887 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 06:54:39,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 06:54:39,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 06:54:39,888 INFO L87 Difference]: Start difference. First operand 453 states and 635 transitions. Second operand 3 states. [2018-11-23 06:54:40,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:54:40,008 INFO L93 Difference]: Finished difference Result 971 states and 1376 transitions. [2018-11-23 06:54:40,008 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 06:54:40,009 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 86 [2018-11-23 06:54:40,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:54:40,010 INFO L225 Difference]: With dead ends: 971 [2018-11-23 06:54:40,010 INFO L226 Difference]: Without dead ends: 531 [2018-11-23 06:54:40,011 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 06:54:40,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2018-11-23 06:54:40,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 522. [2018-11-23 06:54:40,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 522 states. [2018-11-23 06:54:40,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 719 transitions. [2018-11-23 06:54:40,025 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 719 transitions. Word has length 86 [2018-11-23 06:54:40,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:54:40,026 INFO L480 AbstractCegarLoop]: Abstraction has 522 states and 719 transitions. [2018-11-23 06:54:40,026 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 06:54:40,026 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 719 transitions. [2018-11-23 06:54:40,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-23 06:54:40,028 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:54:40,028 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2018-11-23 06:54:40,028 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:54:40,028 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:54:40,028 INFO L82 PathProgramCache]: Analyzing trace with hash -1185396472, now seen corresponding path program 1 times [2018-11-23 06:54:40,029 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:54:40,029 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:54:40,029 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:54:40,030 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:54:40,030 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:54:40,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:54:40,093 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-23 06:54:40,093 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:54:40,093 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 06:54:40,093 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:54:40,093 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 06:54:40,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 06:54:40,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 06:54:40,094 INFO L87 Difference]: Start difference. First operand 522 states and 719 transitions. Second operand 3 states. [2018-11-23 06:54:40,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:54:40,230 INFO L93 Difference]: Finished difference Result 1142 states and 1604 transitions. [2018-11-23 06:54:40,230 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 06:54:40,230 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 106 [2018-11-23 06:54:40,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:54:40,232 INFO L225 Difference]: With dead ends: 1142 [2018-11-23 06:54:40,232 INFO L226 Difference]: Without dead ends: 633 [2018-11-23 06:54:40,232 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 06:54:40,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2018-11-23 06:54:40,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 597. [2018-11-23 06:54:40,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 597 states. [2018-11-23 06:54:40,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 809 transitions. [2018-11-23 06:54:40,243 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 809 transitions. Word has length 106 [2018-11-23 06:54:40,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:54:40,243 INFO L480 AbstractCegarLoop]: Abstraction has 597 states and 809 transitions. [2018-11-23 06:54:40,244 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 06:54:40,244 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 809 transitions. [2018-11-23 06:54:40,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-11-23 06:54:40,245 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:54:40,246 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:54:40,246 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:54:40,246 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:54:40,246 INFO L82 PathProgramCache]: Analyzing trace with hash -1785636715, now seen corresponding path program 1 times [2018-11-23 06:54:40,246 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:54:40,247 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:54:40,247 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:54:40,247 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:54:40,247 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:54:40,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:54:40,293 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-23 06:54:40,294 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:54:40,294 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 06:54:40,294 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:54:40,294 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 06:54:40,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 06:54:40,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 06:54:40,295 INFO L87 Difference]: Start difference. First operand 597 states and 809 transitions. Second operand 3 states. [2018-11-23 06:54:40,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:54:40,339 INFO L93 Difference]: Finished difference Result 793 states and 1076 transitions. [2018-11-23 06:54:40,340 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 06:54:40,340 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2018-11-23 06:54:40,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:54:40,342 INFO L225 Difference]: With dead ends: 793 [2018-11-23 06:54:40,342 INFO L226 Difference]: Without dead ends: 791 [2018-11-23 06:54:40,343 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 06:54:40,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 791 states. [2018-11-23 06:54:40,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 791 to 791. [2018-11-23 06:54:40,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 791 states. [2018-11-23 06:54:40,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 1074 transitions. [2018-11-23 06:54:40,357 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 1074 transitions. Word has length 126 [2018-11-23 06:54:40,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:54:40,357 INFO L480 AbstractCegarLoop]: Abstraction has 791 states and 1074 transitions. [2018-11-23 06:54:40,357 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 06:54:40,357 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 1074 transitions. [2018-11-23 06:54:40,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-11-23 06:54:40,360 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:54:40,360 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 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] [2018-11-23 06:54:40,360 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:54:40,360 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:54:40,360 INFO L82 PathProgramCache]: Analyzing trace with hash -267245983, now seen corresponding path program 1 times [2018-11-23 06:54:40,361 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:54:40,361 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:54:40,362 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:54:40,362 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:54:40,362 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:54:40,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:54:40,421 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 209 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-11-23 06:54:40,421 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:54:40,422 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 06:54:40,422 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:54:40,423 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 06:54:40,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 06:54:40,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 06:54:40,423 INFO L87 Difference]: Start difference. First operand 791 states and 1074 transitions. Second operand 3 states. [2018-11-23 06:54:40,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:54:40,537 INFO L93 Difference]: Finished difference Result 1741 states and 2435 transitions. [2018-11-23 06:54:40,538 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 06:54:40,538 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 188 [2018-11-23 06:54:40,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:54:40,541 INFO L225 Difference]: With dead ends: 1741 [2018-11-23 06:54:40,541 INFO L226 Difference]: Without dead ends: 963 [2018-11-23 06:54:40,542 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 06:54:40,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2018-11-23 06:54:40,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 955. [2018-11-23 06:54:40,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 955 states. [2018-11-23 06:54:40,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 955 states to 955 states and 1258 transitions. [2018-11-23 06:54:40,557 INFO L78 Accepts]: Start accepts. Automaton has 955 states and 1258 transitions. Word has length 188 [2018-11-23 06:54:40,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:54:40,557 INFO L480 AbstractCegarLoop]: Abstraction has 955 states and 1258 transitions. [2018-11-23 06:54:40,557 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 06:54:40,557 INFO L276 IsEmpty]: Start isEmpty. Operand 955 states and 1258 transitions. [2018-11-23 06:54:40,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-23 06:54:40,559 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:54:40,559 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 4, 4, 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] [2018-11-23 06:54:40,560 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:54:40,560 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:54:40,560 INFO L82 PathProgramCache]: Analyzing trace with hash 378372328, now seen corresponding path program 1 times [2018-11-23 06:54:40,560 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:54:40,561 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:54:40,562 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:54:40,562 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:54:40,562 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:54:40,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:54:40,614 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 226 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-11-23 06:54:40,614 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:54:40,614 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 06:54:40,615 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:54:40,615 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 06:54:40,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 06:54:40,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 06:54:40,615 INFO L87 Difference]: Start difference. First operand 955 states and 1258 transitions. Second operand 3 states. [2018-11-23 06:54:40,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:54:40,730 INFO L93 Difference]: Finished difference Result 2069 states and 2803 transitions. [2018-11-23 06:54:40,730 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 06:54:40,730 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 194 [2018-11-23 06:54:40,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:54:40,733 INFO L225 Difference]: With dead ends: 2069 [2018-11-23 06:54:40,733 INFO L226 Difference]: Without dead ends: 1127 [2018-11-23 06:54:40,734 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 06:54:40,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1127 states. [2018-11-23 06:54:40,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1127 to 1079. [2018-11-23 06:54:40,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1079 states. [2018-11-23 06:54:40,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1079 states to 1079 states and 1418 transitions. [2018-11-23 06:54:40,749 INFO L78 Accepts]: Start accepts. Automaton has 1079 states and 1418 transitions. Word has length 194 [2018-11-23 06:54:40,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:54:40,749 INFO L480 AbstractCegarLoop]: Abstraction has 1079 states and 1418 transitions. [2018-11-23 06:54:40,749 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 06:54:40,749 INFO L276 IsEmpty]: Start isEmpty. Operand 1079 states and 1418 transitions. [2018-11-23 06:54:40,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-11-23 06:54:40,751 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:54:40,751 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 5, 5, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:54:40,752 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:54:40,752 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:54:40,752 INFO L82 PathProgramCache]: Analyzing trace with hash 1955145121, now seen corresponding path program 1 times [2018-11-23 06:54:40,752 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:54:40,753 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:54:40,753 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:54:40,753 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:54:40,753 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:54:40,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:54:40,812 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 319 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2018-11-23 06:54:40,812 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:54:40,812 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 06:54:40,812 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:54:40,813 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 06:54:40,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 06:54:40,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 06:54:40,813 INFO L87 Difference]: Start difference. First operand 1079 states and 1418 transitions. Second operand 3 states. [2018-11-23 06:54:40,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:54:40,902 INFO L93 Difference]: Finished difference Result 2281 states and 2999 transitions. [2018-11-23 06:54:40,902 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 06:54:40,902 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 220 [2018-11-23 06:54:40,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:54:40,905 INFO L225 Difference]: With dead ends: 2281 [2018-11-23 06:54:40,905 INFO L226 Difference]: Without dead ends: 1215 [2018-11-23 06:54:40,906 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 06:54:40,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1215 states. [2018-11-23 06:54:40,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1215 to 1187. [2018-11-23 06:54:40,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1187 states. [2018-11-23 06:54:40,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1187 states to 1187 states and 1546 transitions. [2018-11-23 06:54:40,922 INFO L78 Accepts]: Start accepts. Automaton has 1187 states and 1546 transitions. Word has length 220 [2018-11-23 06:54:40,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:54:40,923 INFO L480 AbstractCegarLoop]: Abstraction has 1187 states and 1546 transitions. [2018-11-23 06:54:40,923 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 06:54:40,923 INFO L276 IsEmpty]: Start isEmpty. Operand 1187 states and 1546 transitions. [2018-11-23 06:54:40,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-11-23 06:54:40,925 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:54:40,925 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 5, 5, 4, 4, 3, 3, 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] [2018-11-23 06:54:40,925 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:54:40,925 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:54:40,926 INFO L82 PathProgramCache]: Analyzing trace with hash -1641816317, now seen corresponding path program 1 times [2018-11-23 06:54:40,926 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:54:40,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:54:40,926 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:54:40,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:54:40,927 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:54:40,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:54:40,998 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 344 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2018-11-23 06:54:40,998 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:54:40,998 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 06:54:40,998 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:54:40,999 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 06:54:40,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 06:54:40,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 06:54:40,999 INFO L87 Difference]: Start difference. First operand 1187 states and 1546 transitions. Second operand 3 states. [2018-11-23 06:54:41,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:54:41,047 INFO L93 Difference]: Finished difference Result 3527 states and 4592 transitions. [2018-11-23 06:54:41,049 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 06:54:41,049 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 221 [2018-11-23 06:54:41,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:54:41,054 INFO L225 Difference]: With dead ends: 3527 [2018-11-23 06:54:41,054 INFO L226 Difference]: Without dead ends: 2353 [2018-11-23 06:54:41,056 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 06:54:41,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2353 states. [2018-11-23 06:54:41,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2353 to 2351. [2018-11-23 06:54:41,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2351 states. [2018-11-23 06:54:41,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2351 states to 2351 states and 3054 transitions. [2018-11-23 06:54:41,091 INFO L78 Accepts]: Start accepts. Automaton has 2351 states and 3054 transitions. Word has length 221 [2018-11-23 06:54:41,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:54:41,091 INFO L480 AbstractCegarLoop]: Abstraction has 2351 states and 3054 transitions. [2018-11-23 06:54:41,091 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 06:54:41,091 INFO L276 IsEmpty]: Start isEmpty. Operand 2351 states and 3054 transitions. [2018-11-23 06:54:41,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-11-23 06:54:41,094 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:54:41,094 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 5, 5, 4, 4, 3, 3, 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] [2018-11-23 06:54:41,095 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:54:41,095 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:54:41,095 INFO L82 PathProgramCache]: Analyzing trace with hash 733849930, now seen corresponding path program 1 times [2018-11-23 06:54:41,095 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:54:41,095 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:54:41,096 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:54:41,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:54:41,096 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:54:41,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:54:41,145 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 286 proven. 0 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2018-11-23 06:54:41,145 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:54:41,145 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 06:54:41,145 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:54:41,146 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 06:54:41,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 06:54:41,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 06:54:41,146 INFO L87 Difference]: Start difference. First operand 2351 states and 3054 transitions. Second operand 3 states. [2018-11-23 06:54:41,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:54:41,310 INFO L93 Difference]: Finished difference Result 5033 states and 6699 transitions. [2018-11-23 06:54:41,311 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 06:54:41,311 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 222 [2018-11-23 06:54:41,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:54:41,315 INFO L225 Difference]: With dead ends: 5033 [2018-11-23 06:54:41,315 INFO L226 Difference]: Without dead ends: 2599 [2018-11-23 06:54:41,317 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 06:54:41,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2599 states. [2018-11-23 06:54:41,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2599 to 2599. [2018-11-23 06:54:41,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2599 states. [2018-11-23 06:54:41,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2599 states to 2599 states and 3342 transitions. [2018-11-23 06:54:41,354 INFO L78 Accepts]: Start accepts. Automaton has 2599 states and 3342 transitions. Word has length 222 [2018-11-23 06:54:41,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:54:41,355 INFO L480 AbstractCegarLoop]: Abstraction has 2599 states and 3342 transitions. [2018-11-23 06:54:41,355 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 06:54:41,355 INFO L276 IsEmpty]: Start isEmpty. Operand 2599 states and 3342 transitions. [2018-11-23 06:54:41,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2018-11-23 06:54:41,360 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:54:41,360 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 6, 6, 5, 5, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:54:41,360 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:54:41,360 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:54:41,360 INFO L82 PathProgramCache]: Analyzing trace with hash -1448943955, now seen corresponding path program 1 times [2018-11-23 06:54:41,360 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:54:41,361 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:54:41,361 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:54:41,361 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:54:41,361 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:54:41,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:54:41,412 INFO L134 CoverageAnalysis]: Checked inductivity of 626 backedges. 405 proven. 0 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2018-11-23 06:54:41,412 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:54:41,412 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 06:54:41,412 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:54:41,412 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 06:54:41,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 06:54:41,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 06:54:41,413 INFO L87 Difference]: Start difference. First operand 2599 states and 3342 transitions. Second operand 3 states. [2018-11-23 06:54:41,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:54:41,519 INFO L93 Difference]: Finished difference Result 5433 states and 6979 transitions. [2018-11-23 06:54:41,519 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 06:54:41,519 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 247 [2018-11-23 06:54:41,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:54:41,524 INFO L225 Difference]: With dead ends: 5433 [2018-11-23 06:54:41,524 INFO L226 Difference]: Without dead ends: 2847 [2018-11-23 06:54:41,527 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 06:54:41,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2847 states. [2018-11-23 06:54:41,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2847 to 2831. [2018-11-23 06:54:41,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2831 states. [2018-11-23 06:54:41,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2831 states to 2831 states and 3614 transitions. [2018-11-23 06:54:41,565 INFO L78 Accepts]: Start accepts. Automaton has 2831 states and 3614 transitions. Word has length 247 [2018-11-23 06:54:41,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:54:41,566 INFO L480 AbstractCegarLoop]: Abstraction has 2831 states and 3614 transitions. [2018-11-23 06:54:41,566 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 06:54:41,566 INFO L276 IsEmpty]: Start isEmpty. Operand 2831 states and 3614 transitions. [2018-11-23 06:54:41,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-11-23 06:54:41,569 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:54:41,570 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 6, 6, 5, 5, 4, 4, 3, 3, 3, 3, 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] [2018-11-23 06:54:41,570 INFO L423 AbstractCegarLoop]: === Iteration 13 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:54:41,570 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:54:41,570 INFO L82 PathProgramCache]: Analyzing trace with hash 2024758885, now seen corresponding path program 1 times [2018-11-23 06:54:41,570 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:54:41,571 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:54:41,571 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:54:41,571 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:54:41,571 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:54:41,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:54:41,631 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 425 proven. 16 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2018-11-23 06:54:41,631 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:54:41,631 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 06:54:41,632 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 251 with the following transitions: [2018-11-23 06:54:41,633 INFO L202 CegarAbsIntRunner]: [0], [4], [8], [11], [20], [31], [37], [46], [48], [53], [58], [63], [68], [73], [78], [83], [88], [91], [93], [98], [103], [106], [108], [113], [116], [118], [123], [126], [128], [133], [136], [138], [143], [148], [153], [156], [158], [163], [168], [173], [178], [183], [188], [193], [198], [201], [203], [208], [211], [282], [285], [293], [295], [298], [300], [303], [311], [314], [316], [318], [322], [331], [333], [336], [342], [371], [376], [386], [390], [401], [405], [408], [414], [419], [441], [443], [491], [496], [501], [507], [512], [514], [517], [585], [587], [600], [605], [606], [607], [609] [2018-11-23 06:54:41,661 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 06:54:41,661 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 06:54:42,199 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 06:54:42,200 INFO L272 AbstractInterpreter]: Visited 90 different actions 332 times. Merged at 75 different actions 215 times. Never widened. Performed 1738 root evaluator evaluations with a maximum evaluation depth of 4. Performed 1738 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 32 fixpoints after 11 different actions. Largest state had 94 variables. [2018-11-23 06:54:42,216 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:54:42,217 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 06:54:42,217 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:54:42,218 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a160fba2-f945-4927-92c2-25d8396647ac/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 [2018-11-23 06:54:42,234 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:54:42,234 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 06:54:42,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:54:42,292 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:54:42,340 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 398 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2018-11-23 06:54:42,340 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 06:54:42,417 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 398 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2018-11-23 06:54:42,434 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-23 06:54:42,434 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [4] total 5 [2018-11-23 06:54:42,435 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:54:42,435 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 06:54:42,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 06:54:42,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 06:54:42,436 INFO L87 Difference]: Start difference. First operand 2831 states and 3614 transitions. Second operand 3 states. [2018-11-23 06:54:42,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:54:42,508 INFO L93 Difference]: Finished difference Result 5649 states and 7217 transitions. [2018-11-23 06:54:42,508 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 06:54:42,508 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 250 [2018-11-23 06:54:42,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:54:42,515 INFO L225 Difference]: With dead ends: 5649 [2018-11-23 06:54:42,515 INFO L226 Difference]: Without dead ends: 3535 [2018-11-23 06:54:42,518 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 503 GetRequests, 499 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 06:54:42,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3535 states. [2018-11-23 06:54:42,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3535 to 3535. [2018-11-23 06:54:42,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3535 states. [2018-11-23 06:54:42,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3535 states to 3535 states and 4513 transitions. [2018-11-23 06:54:42,582 INFO L78 Accepts]: Start accepts. Automaton has 3535 states and 4513 transitions. Word has length 250 [2018-11-23 06:54:42,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:54:42,583 INFO L480 AbstractCegarLoop]: Abstraction has 3535 states and 4513 transitions. [2018-11-23 06:54:42,583 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 06:54:42,583 INFO L276 IsEmpty]: Start isEmpty. Operand 3535 states and 4513 transitions. [2018-11-23 06:54:42,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-11-23 06:54:42,588 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:54:42,588 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2018-11-23 06:54:42,589 INFO L423 AbstractCegarLoop]: === Iteration 14 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:54:42,589 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:54:42,589 INFO L82 PathProgramCache]: Analyzing trace with hash -1042813626, now seen corresponding path program 1 times [2018-11-23 06:54:42,589 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:54:42,590 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:54:42,590 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:54:42,590 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:54:42,590 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:54:42,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:54:42,700 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 400 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2018-11-23 06:54:42,700 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:54:42,700 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 06:54:42,700 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:54:42,700 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 06:54:42,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 06:54:42,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 06:54:42,701 INFO L87 Difference]: Start difference. First operand 3535 states and 4513 transitions. Second operand 3 states. [2018-11-23 06:54:42,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:54:42,815 INFO L93 Difference]: Finished difference Result 10309 states and 13185 transitions. [2018-11-23 06:54:42,817 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 06:54:42,817 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 258 [2018-11-23 06:54:42,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:54:42,836 INFO L225 Difference]: With dead ends: 10309 [2018-11-23 06:54:42,836 INFO L226 Difference]: Without dead ends: 6787 [2018-11-23 06:54:42,843 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 06:54:42,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6787 states. [2018-11-23 06:54:42,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6787 to 6785. [2018-11-23 06:54:42,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6785 states. [2018-11-23 06:54:42,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6785 states to 6785 states and 8658 transitions. [2018-11-23 06:54:42,966 INFO L78 Accepts]: Start accepts. Automaton has 6785 states and 8658 transitions. Word has length 258 [2018-11-23 06:54:42,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:54:42,966 INFO L480 AbstractCegarLoop]: Abstraction has 6785 states and 8658 transitions. [2018-11-23 06:54:42,966 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 06:54:42,966 INFO L276 IsEmpty]: Start isEmpty. Operand 6785 states and 8658 transitions. [2018-11-23 06:54:42,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-11-23 06:54:42,972 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:54:42,972 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2018-11-23 06:54:42,973 INFO L423 AbstractCegarLoop]: === Iteration 15 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:54:42,973 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:54:42,973 INFO L82 PathProgramCache]: Analyzing trace with hash -1331633016, now seen corresponding path program 1 times [2018-11-23 06:54:42,973 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:54:42,973 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:54:42,974 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:54:42,974 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:54:42,974 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:54:42,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:54:43,045 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 430 proven. 16 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-11-23 06:54:43,045 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:54:43,045 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 06:54:43,045 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 259 with the following transitions: [2018-11-23 06:54:43,046 INFO L202 CegarAbsIntRunner]: [0], [4], [8], [11], [20], [31], [37], [46], [48], [53], [58], [63], [68], [73], [78], [83], [88], [91], [93], [98], [103], [106], [108], [113], [118], [123], [128], [133], [138], [143], [148], [153], [156], [158], [163], [168], [173], [178], [183], [188], [193], [198], [201], [203], [208], [211], [282], [285], [293], [295], [298], [300], [303], [311], [314], [318], [441], [443], [491], [496], [499], [501], [507], [512], [514], [517], [519], [524], [527], [531], [585], [587], [600], [605], [606], [607], [609] [2018-11-23 06:54:43,048 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 06:54:43,049 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 06:54:43,309 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 06:54:43,309 INFO L272 AbstractInterpreter]: Visited 77 different actions 335 times. Merged at 64 different actions 232 times. Never widened. Performed 1668 root evaluator evaluations with a maximum evaluation depth of 4. Performed 1668 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 27 fixpoints after 11 different actions. Largest state had 92 variables. [2018-11-23 06:54:43,324 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:54:43,325 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 06:54:43,325 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:54:43,325 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a160fba2-f945-4927-92c2-25d8396647ac/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 [2018-11-23 06:54:43,342 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:54:43,342 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 06:54:43,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:54:43,422 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:54:43,456 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 430 proven. 16 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-11-23 06:54:43,457 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 06:54:43,504 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 430 proven. 16 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-11-23 06:54:43,530 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 06:54:43,530 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2018-11-23 06:54:43,530 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 06:54:43,530 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 06:54:43,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 06:54:43,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-23 06:54:43,531 INFO L87 Difference]: Start difference. First operand 6785 states and 8658 transitions. Second operand 4 states. [2018-11-23 06:54:43,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:54:43,895 INFO L93 Difference]: Finished difference Result 15729 states and 20318 transitions. [2018-11-23 06:54:43,896 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 06:54:43,896 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 258 [2018-11-23 06:54:43,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:54:43,920 INFO L225 Difference]: With dead ends: 15729 [2018-11-23 06:54:43,920 INFO L226 Difference]: Without dead ends: 5485 [2018-11-23 06:54:43,932 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 521 GetRequests, 516 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-23 06:54:43,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5485 states. [2018-11-23 06:54:44,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5485 to 5118. [2018-11-23 06:54:44,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5118 states. [2018-11-23 06:54:44,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5118 states to 5118 states and 6464 transitions. [2018-11-23 06:54:44,046 INFO L78 Accepts]: Start accepts. Automaton has 5118 states and 6464 transitions. Word has length 258 [2018-11-23 06:54:44,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:54:44,046 INFO L480 AbstractCegarLoop]: Abstraction has 5118 states and 6464 transitions. [2018-11-23 06:54:44,046 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 06:54:44,046 INFO L276 IsEmpty]: Start isEmpty. Operand 5118 states and 6464 transitions. [2018-11-23 06:54:44,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2018-11-23 06:54:44,055 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:54:44,055 INFO L402 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 9, 9, 8, 8, 7, 7, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:54:44,056 INFO L423 AbstractCegarLoop]: === Iteration 16 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:54:44,056 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:54:44,056 INFO L82 PathProgramCache]: Analyzing trace with hash -628837501, now seen corresponding path program 1 times [2018-11-23 06:54:44,056 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:54:44,057 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:54:44,057 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:54:44,057 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:54:44,057 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:54:44,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:54:44,200 INFO L134 CoverageAnalysis]: Checked inductivity of 1301 backedges. 871 proven. 26 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2018-11-23 06:54:44,200 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:54:44,200 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 06:54:44,201 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 361 with the following transitions: [2018-11-23 06:54:44,201 INFO L202 CegarAbsIntRunner]: [0], [4], [8], [11], [20], [31], [37], [46], [48], [53], [58], [63], [68], [73], [78], [83], [88], [91], [93], [98], [103], [106], [108], [113], [116], [118], [123], [126], [128], [133], [136], [138], [143], [148], [153], [156], [158], [163], [168], [173], [178], [183], [188], [193], [198], [201], [203], [208], [211], [282], [285], [293], [295], [298], [300], [303], [311], [314], [316], [318], [322], [331], [333], [336], [342], [371], [376], [386], [390], [401], [405], [408], [414], [419], [441], [443], [491], [496], [499], [501], [507], [512], [514], [517], [519], [524], [529], [531], [585], [587], [600], [605], [606], [607], [609] [2018-11-23 06:54:44,204 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 06:54:44,204 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 06:54:44,653 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 06:54:44,653 INFO L272 AbstractInterpreter]: Visited 95 different actions 354 times. Merged at 79 different actions 226 times. Never widened. Performed 1861 root evaluator evaluations with a maximum evaluation depth of 4. Performed 1861 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 38 fixpoints after 14 different actions. Largest state had 94 variables. [2018-11-23 06:54:44,665 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:54:44,665 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 06:54:44,665 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:54:44,665 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a160fba2-f945-4927-92c2-25d8396647ac/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 [2018-11-23 06:54:44,679 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:54:44,680 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 06:54:44,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:54:44,750 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:54:44,837 INFO L134 CoverageAnalysis]: Checked inductivity of 1301 backedges. 680 proven. 0 refuted. 0 times theorem prover too weak. 621 trivial. 0 not checked. [2018-11-23 06:54:44,837 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 06:54:44,913 INFO L134 CoverageAnalysis]: Checked inductivity of 1301 backedges. 680 proven. 0 refuted. 0 times theorem prover too weak. 621 trivial. 0 not checked. [2018-11-23 06:54:44,938 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-23 06:54:44,938 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [4] total 5 [2018-11-23 06:54:44,938 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:54:44,939 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 06:54:44,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 06:54:44,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 06:54:44,939 INFO L87 Difference]: Start difference. First operand 5118 states and 6464 transitions. Second operand 3 states. [2018-11-23 06:54:45,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:54:45,045 INFO L93 Difference]: Finished difference Result 6408 states and 8105 transitions. [2018-11-23 06:54:45,046 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 06:54:45,046 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 360 [2018-11-23 06:54:45,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:54:45,057 INFO L225 Difference]: With dead ends: 6408 [2018-11-23 06:54:45,057 INFO L226 Difference]: Without dead ends: 5173 [2018-11-23 06:54:45,061 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 723 GetRequests, 720 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 06:54:45,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5173 states. [2018-11-23 06:54:45,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5173 to 3885. [2018-11-23 06:54:45,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3885 states. [2018-11-23 06:54:45,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3885 states to 3885 states and 4883 transitions. [2018-11-23 06:54:45,150 INFO L78 Accepts]: Start accepts. Automaton has 3885 states and 4883 transitions. Word has length 360 [2018-11-23 06:54:45,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:54:45,150 INFO L480 AbstractCegarLoop]: Abstraction has 3885 states and 4883 transitions. [2018-11-23 06:54:45,150 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 06:54:45,150 INFO L276 IsEmpty]: Start isEmpty. Operand 3885 states and 4883 transitions. [2018-11-23 06:54:45,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2018-11-23 06:54:45,160 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:54:45,161 INFO L402 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 12, 12, 10, 10, 8, 8, 6, 6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:54:45,161 INFO L423 AbstractCegarLoop]: === Iteration 17 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:54:45,161 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:54:45,161 INFO L82 PathProgramCache]: Analyzing trace with hash -1643493371, now seen corresponding path program 1 times [2018-11-23 06:54:45,161 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:54:45,162 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:54:45,162 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:54:45,162 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:54:45,162 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:54:45,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:54:45,325 INFO L134 CoverageAnalysis]: Checked inductivity of 2004 backedges. 1251 proven. 26 refuted. 0 times theorem prover too weak. 727 trivial. 0 not checked. [2018-11-23 06:54:45,325 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:54:45,325 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 06:54:45,326 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 423 with the following transitions: [2018-11-23 06:54:45,326 INFO L202 CegarAbsIntRunner]: [0], [4], [8], [11], [20], [31], [37], [46], [48], [53], [58], [63], [68], [73], [78], [83], [88], [91], [93], [98], [103], [106], [108], [113], [116], [118], [123], [126], [128], [133], [136], [138], [143], [148], [153], [156], [158], [163], [168], [173], [178], [183], [188], [193], [198], [201], [203], [208], [211], [282], [285], [293], [295], [298], [300], [303], [311], [316], [318], [322], [331], [333], [336], [342], [371], [376], [386], [390], [401], [405], [408], [414], [419], [441], [443], [491], [496], [499], [507], [512], [514], [517], [519], [524], [529], [531], [585], [587], [600], [605], [606], [607], [609] [2018-11-23 06:54:45,328 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 06:54:45,328 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 06:54:45,663 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 06:54:45,663 INFO L272 AbstractInterpreter]: Visited 93 different actions 336 times. Merged at 77 different actions 217 times. Never widened. Performed 1751 root evaluator evaluations with a maximum evaluation depth of 4. Performed 1751 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 29 fixpoints after 11 different actions. Largest state had 94 variables. [2018-11-23 06:54:45,677 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:54:45,677 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 06:54:45,677 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:54:45,677 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a160fba2-f945-4927-92c2-25d8396647ac/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 06:54:45,688 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:54:45,688 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 06:54:45,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:54:45,772 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:54:45,850 INFO L134 CoverageAnalysis]: Checked inductivity of 2004 backedges. 1251 proven. 26 refuted. 0 times theorem prover too weak. 727 trivial. 0 not checked. [2018-11-23 06:54:45,851 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 06:54:45,965 INFO L134 CoverageAnalysis]: Checked inductivity of 2004 backedges. 1251 proven. 26 refuted. 0 times theorem prover too weak. 727 trivial. 0 not checked. [2018-11-23 06:54:45,990 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 06:54:45,991 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2018-11-23 06:54:45,991 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 06:54:45,992 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 06:54:45,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 06:54:45,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-23 06:54:45,992 INFO L87 Difference]: Start difference. First operand 3885 states and 4883 transitions. Second operand 4 states. [2018-11-23 06:54:46,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:54:46,301 INFO L93 Difference]: Finished difference Result 9532 states and 12243 transitions. [2018-11-23 06:54:46,301 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 06:54:46,301 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 422 [2018-11-23 06:54:46,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:54:46,306 INFO L225 Difference]: With dead ends: 9532 [2018-11-23 06:54:46,306 INFO L226 Difference]: Without dead ends: 5528 [2018-11-23 06:54:46,310 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 849 GetRequests, 844 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-23 06:54:46,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5528 states. [2018-11-23 06:54:46,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5528 to 4489. [2018-11-23 06:54:46,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4489 states. [2018-11-23 06:54:46,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4489 states to 4489 states and 5837 transitions. [2018-11-23 06:54:46,370 INFO L78 Accepts]: Start accepts. Automaton has 4489 states and 5837 transitions. Word has length 422 [2018-11-23 06:54:46,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:54:46,370 INFO L480 AbstractCegarLoop]: Abstraction has 4489 states and 5837 transitions. [2018-11-23 06:54:46,370 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 06:54:46,370 INFO L276 IsEmpty]: Start isEmpty. Operand 4489 states and 5837 transitions. [2018-11-23 06:54:46,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 455 [2018-11-23 06:54:46,377 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:54:46,378 INFO L402 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 14, 14, 14, 12, 12, 10, 10, 8, 8, 6, 6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:54:46,378 INFO L423 AbstractCegarLoop]: === Iteration 18 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:54:46,378 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:54:46,378 INFO L82 PathProgramCache]: Analyzing trace with hash -1318969793, now seen corresponding path program 1 times [2018-11-23 06:54:46,378 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:54:46,379 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:54:46,379 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:54:46,379 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:54:46,379 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:54:46,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:54:46,479 INFO L134 CoverageAnalysis]: Checked inductivity of 2412 backedges. 1354 proven. 13 refuted. 0 times theorem prover too weak. 1045 trivial. 0 not checked. [2018-11-23 06:54:46,479 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:54:46,479 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 06:54:46,480 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 455 with the following transitions: [2018-11-23 06:54:46,480 INFO L202 CegarAbsIntRunner]: [0], [4], [8], [11], [20], [31], [37], [46], [48], [53], [58], [63], [68], [73], [78], [83], [88], [91], [93], [98], [103], [106], [108], [113], [116], [118], [123], [126], [128], [133], [136], [138], [143], [148], [153], [156], [158], [163], [168], [173], [178], [183], [188], [193], [198], [201], [203], [208], [211], [282], [285], [287], [293], [295], [298], [300], [303], [311], [316], [318], [322], [331], [333], [336], [342], [371], [376], [386], [390], [401], [405], [408], [414], [419], [441], [443], [491], [496], [499], [507], [512], [514], [517], [519], [524], [529], [531], [585], [587], [600], [605], [606], [607], [609] [2018-11-23 06:54:46,482 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 06:54:46,482 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 06:54:46,684 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 06:54:46,684 INFO L272 AbstractInterpreter]: Visited 94 different actions 342 times. Merged at 78 different actions 219 times. Never widened. Performed 1791 root evaluator evaluations with a maximum evaluation depth of 4. Performed 1791 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 32 fixpoints after 12 different actions. Largest state had 94 variables. [2018-11-23 06:54:46,692 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:54:46,693 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 06:54:46,693 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:54:46,693 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a160fba2-f945-4927-92c2-25d8396647ac/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 06:54:46,706 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:54:46,706 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 06:54:46,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:54:46,771 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:54:46,821 INFO L134 CoverageAnalysis]: Checked inductivity of 2412 backedges. 1354 proven. 13 refuted. 0 times theorem prover too weak. 1045 trivial. 0 not checked. [2018-11-23 06:54:46,821 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 06:54:46,924 INFO L134 CoverageAnalysis]: Checked inductivity of 2412 backedges. 1354 proven. 13 refuted. 0 times theorem prover too weak. 1045 trivial. 0 not checked. [2018-11-23 06:54:46,939 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 06:54:46,939 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2018-11-23 06:54:46,939 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 06:54:46,940 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 06:54:46,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 06:54:46,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-23 06:54:46,941 INFO L87 Difference]: Start difference. First operand 4489 states and 5837 transitions. Second operand 4 states. [2018-11-23 06:54:47,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:54:47,218 INFO L93 Difference]: Finished difference Result 13431 states and 17655 transitions. [2018-11-23 06:54:47,219 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 06:54:47,219 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 454 [2018-11-23 06:54:47,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:54:47,228 INFO L225 Difference]: With dead ends: 13431 [2018-11-23 06:54:47,228 INFO L226 Difference]: Without dead ends: 9239 [2018-11-23 06:54:47,234 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 913 GetRequests, 908 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-23 06:54:47,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9239 states. [2018-11-23 06:54:47,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9239 to 6219. [2018-11-23 06:54:47,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6219 states. [2018-11-23 06:54:47,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6219 states to 6219 states and 8179 transitions. [2018-11-23 06:54:47,330 INFO L78 Accepts]: Start accepts. Automaton has 6219 states and 8179 transitions. Word has length 454 [2018-11-23 06:54:47,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:54:47,331 INFO L480 AbstractCegarLoop]: Abstraction has 6219 states and 8179 transitions. [2018-11-23 06:54:47,331 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 06:54:47,331 INFO L276 IsEmpty]: Start isEmpty. Operand 6219 states and 8179 transitions. [2018-11-23 06:54:47,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 485 [2018-11-23 06:54:47,340 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:54:47,340 INFO L402 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 14, 14, 12, 12, 10, 10, 8, 8, 8, 8, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:54:47,340 INFO L423 AbstractCegarLoop]: === Iteration 19 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:54:47,340 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:54:47,340 INFO L82 PathProgramCache]: Analyzing trace with hash -1276225299, now seen corresponding path program 1 times [2018-11-23 06:54:47,340 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:54:47,341 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:54:47,341 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:54:47,341 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:54:47,341 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:54:47,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:54:47,430 INFO L134 CoverageAnalysis]: Checked inductivity of 2679 backedges. 1558 proven. 0 refuted. 0 times theorem prover too weak. 1121 trivial. 0 not checked. [2018-11-23 06:54:47,430 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:54:47,431 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 06:54:47,431 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:54:47,431 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 06:54:47,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 06:54:47,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 06:54:47,431 INFO L87 Difference]: Start difference. First operand 6219 states and 8179 transitions. Second operand 3 states. [2018-11-23 06:54:47,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:54:47,571 INFO L93 Difference]: Finished difference Result 13217 states and 17309 transitions. [2018-11-23 06:54:47,572 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 06:54:47,572 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 484 [2018-11-23 06:54:47,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:54:47,578 INFO L225 Difference]: With dead ends: 13217 [2018-11-23 06:54:47,579 INFO L226 Difference]: Without dead ends: 7011 [2018-11-23 06:54:47,585 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 06:54:47,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7011 states. [2018-11-23 06:54:47,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7011 to 6967. [2018-11-23 06:54:47,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6967 states. [2018-11-23 06:54:47,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6967 states to 6967 states and 9037 transitions. [2018-11-23 06:54:47,678 INFO L78 Accepts]: Start accepts. Automaton has 6967 states and 9037 transitions. Word has length 484 [2018-11-23 06:54:47,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:54:47,678 INFO L480 AbstractCegarLoop]: Abstraction has 6967 states and 9037 transitions. [2018-11-23 06:54:47,678 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 06:54:47,678 INFO L276 IsEmpty]: Start isEmpty. Operand 6967 states and 9037 transitions. [2018-11-23 06:54:47,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 515 [2018-11-23 06:54:47,688 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:54:47,688 INFO L402 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 18, 18, 16, 16, 16, 14, 14, 12, 12, 10, 10, 8, 8, 8, 8, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:54:47,689 INFO L423 AbstractCegarLoop]: === Iteration 20 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:54:47,689 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:54:47,689 INFO L82 PathProgramCache]: Analyzing trace with hash -802092301, now seen corresponding path program 1 times [2018-11-23 06:54:47,689 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:54:47,689 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:54:47,690 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:54:47,690 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:54:47,690 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:54:47,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:54:47,879 INFO L134 CoverageAnalysis]: Checked inductivity of 3138 backedges. 1671 proven. 0 refuted. 0 times theorem prover too weak. 1467 trivial. 0 not checked. [2018-11-23 06:54:47,879 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:54:47,879 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 06:54:47,879 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:54:47,880 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 06:54:47,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 06:54:47,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 06:54:47,880 INFO L87 Difference]: Start difference. First operand 6967 states and 9037 transitions. Second operand 3 states. [2018-11-23 06:54:48,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:54:48,051 INFO L93 Difference]: Finished difference Result 14485 states and 19021 transitions. [2018-11-23 06:54:48,051 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 06:54:48,051 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 514 [2018-11-23 06:54:48,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:54:48,058 INFO L225 Difference]: With dead ends: 14485 [2018-11-23 06:54:48,058 INFO L226 Difference]: Without dead ends: 7531 [2018-11-23 06:54:48,064 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 06:54:48,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7531 states. [2018-11-23 06:54:48,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7531 to 7267. [2018-11-23 06:54:48,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7267 states. [2018-11-23 06:54:48,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7267 states to 7267 states and 9491 transitions. [2018-11-23 06:54:48,161 INFO L78 Accepts]: Start accepts. Automaton has 7267 states and 9491 transitions. Word has length 514 [2018-11-23 06:54:48,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:54:48,162 INFO L480 AbstractCegarLoop]: Abstraction has 7267 states and 9491 transitions. [2018-11-23 06:54:48,162 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 06:54:48,162 INFO L276 IsEmpty]: Start isEmpty. Operand 7267 states and 9491 transitions. [2018-11-23 06:54:48,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 519 [2018-11-23 06:54:48,172 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:54:48,173 INFO L402 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 18, 18, 18, 18, 16, 14, 14, 12, 12, 10, 10, 8, 8, 8, 8, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:54:48,173 INFO L423 AbstractCegarLoop]: === Iteration 21 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:54:48,173 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:54:48,173 INFO L82 PathProgramCache]: Analyzing trace with hash -575263831, now seen corresponding path program 1 times [2018-11-23 06:54:48,173 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:54:48,174 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:54:48,174 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:54:48,174 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:54:48,174 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:54:48,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:54:48,276 INFO L134 CoverageAnalysis]: Checked inductivity of 3204 backedges. 1986 proven. 16 refuted. 0 times theorem prover too weak. 1202 trivial. 0 not checked. [2018-11-23 06:54:48,276 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:54:48,277 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 06:54:48,277 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 519 with the following transitions: [2018-11-23 06:54:48,277 INFO L202 CegarAbsIntRunner]: [0], [4], [8], [11], [20], [31], [37], [46], [48], [53], [58], [63], [68], [73], [78], [83], [88], [91], [93], [98], [101], [103], [106], [108], [113], [116], [118], [123], [126], [128], [133], [136], [138], [143], [148], [153], [156], [158], [161], [163], [168], [173], [178], [183], [188], [193], [198], [201], [203], [208], [211], [282], [285], [287], [293], [295], [298], [300], [303], [311], [316], [318], [322], [331], [333], [336], [342], [371], [376], [386], [390], [401], [405], [408], [414], [419], [441], [443], [445], [450], [453], [491], [496], [499], [507], [512], [514], [517], [519], [524], [529], [531], [585], [587], [600], [605], [606], [607], [609] [2018-11-23 06:54:48,279 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 06:54:48,279 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 06:54:48,547 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 06:54:48,547 INFO L272 AbstractInterpreter]: Visited 99 different actions 444 times. Merged at 83 different actions 301 times. Widened at 1 different actions 1 times. Performed 2295 root evaluator evaluations with a maximum evaluation depth of 4. Performed 2295 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 48 fixpoints after 14 different actions. Largest state had 95 variables. [2018-11-23 06:54:48,556 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:54:48,557 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 06:54:48,557 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:54:48,557 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a160fba2-f945-4927-92c2-25d8396647ac/bin-2019/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 06:54:48,564 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:54:48,564 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 06:54:48,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:54:48,630 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:54:48,927 WARN L854 $PredicateComparison]: unable to prove that (exists ((ssl3_accept_~ag_X~0 Int) (ssl3_accept_~ag_Y~0 Int)) (let ((.cse0 (+ (* 2 ssl3_accept_~ag_X~0) (* 2 ssl3_accept_~ag_Y~0)))) (and (<= .cse0 8496) (<= c_ssl3_accept_~s__state~0 .cse0)))) is different from true [2018-11-23 06:54:49,171 INFO L134 CoverageAnalysis]: Checked inductivity of 3204 backedges. 1792 proven. 95 refuted. 0 times theorem prover too weak. 1173 trivial. 144 not checked. [2018-11-23 06:54:49,171 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 06:54:49,362 INFO L134 CoverageAnalysis]: Checked inductivity of 3204 backedges. 1887 proven. 144 refuted. 0 times theorem prover too weak. 1173 trivial. 0 not checked. [2018-11-23 06:54:49,378 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 06:54:49,379 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5, 5] total 10 [2018-11-23 06:54:49,379 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 06:54:49,380 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 06:54:49,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 06:54:49,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=53, Unknown=1, NotChecked=14, Total=90 [2018-11-23 06:54:49,380 INFO L87 Difference]: Start difference. First operand 7267 states and 9491 transitions. Second operand 7 states. [2018-11-23 06:54:50,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:54:50,215 INFO L93 Difference]: Finished difference Result 19311 states and 25509 transitions. [2018-11-23 06:54:50,216 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-23 06:54:50,216 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 518 [2018-11-23 06:54:50,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:54:50,216 INFO L225 Difference]: With dead ends: 19311 [2018-11-23 06:54:50,217 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 06:54:50,230 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1050 GetRequests, 1036 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=65, Invalid=148, Unknown=1, NotChecked=26, Total=240 [2018-11-23 06:54:50,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 06:54:50,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 06:54:50,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 06:54:50,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 06:54:50,230 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 518 [2018-11-23 06:54:50,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:54:50,231 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 06:54:50,231 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 06:54:50,231 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 06:54:50,231 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 06:54:50,234 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 06:54:50,253 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:50,398 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:50,406 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:50,407 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:50,431 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:50,435 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:50,435 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:50,471 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:50,529 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:50,530 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:50,541 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:50,568 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:50,584 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:50,590 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:50,591 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:50,639 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:50,645 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:50,699 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:50,789 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:50,797 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:50,800 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:50,805 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:50,808 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:50,815 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:50,818 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:50,821 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:50,833 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:50,859 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:50,867 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:50,887 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:50,890 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:50,905 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:50,917 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:50,920 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:50,930 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:50,944 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:50,969 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:50,972 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:50,974 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:50,989 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,004 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,012 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,029 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,078 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,080 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,089 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,187 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,208 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,228 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,235 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,272 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,274 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,283 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,287 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,307 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,321 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,365 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,466 WARN L180 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 753 DAG size of output: 226 [2018-11-23 06:54:51,477 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,478 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,479 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,479 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,480 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,481 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,482 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,483 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,483 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,485 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,486 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,486 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,488 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,489 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,489 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,490 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,491 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,491 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,492 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,493 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,495 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,496 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,497 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,498 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,499 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,499 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,514 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,518 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,520 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,526 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,527 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,532 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,546 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,548 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,550 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,565 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,565 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,570 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,571 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,571 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,572 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,574 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,575 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,579 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,581 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,581 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,582 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,584 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,584 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,585 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,586 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,586 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,599 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,602 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,605 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,611 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,616 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,619 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,622 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,623 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,625 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,628 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,638 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,640 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,641 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,641 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,645 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,645 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,646 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,649 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,650 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,652 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,733 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,739 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,740 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,758 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,761 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,761 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,788 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,829 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,830 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,837 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,854 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,865 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,869 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,869 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,899 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,903 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,937 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,992 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,997 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:51,999 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,003 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,005 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,011 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,013 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,015 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,022 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,036 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,041 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,052 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,054 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,063 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,069 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,070 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,076 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,082 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,101 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,103 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,105 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,112 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,121 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,125 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,137 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,161 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,163 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,168 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,201 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,213 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,225 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,230 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,255 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,257 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,263 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,266 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,281 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,292 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,324 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,398 WARN L180 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 739 DAG size of output: 224 [2018-11-23 06:54:52,405 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,410 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,412 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,413 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,418 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,421 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,423 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,436 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,437 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,437 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,439 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,451 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,452 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,452 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,453 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,455 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,456 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,456 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,457 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,457 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,458 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,459 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,463 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,471 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,472 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,472 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,473 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,474 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,474 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,479 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,480 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,493 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,497 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,500 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,501 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,509 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,509 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,510 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,510 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,511 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,511 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,512 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,512 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,513 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,513 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,514 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,514 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,515 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,515 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,515 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,516 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,516 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,517 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,518 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,518 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,519 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,519 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,520 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,520 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,523 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,527 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,530 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,532 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,533 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,535 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,538 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,544 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,548 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,552 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,554 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,555 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,556 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,560 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,565 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,567 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,570 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:54:52,680 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 21 [2018-11-23 06:54:53,188 WARN L180 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 60 [2018-11-23 06:54:54,095 WARN L180 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 60 [2018-11-23 06:54:54,697 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-23 06:54:54,697 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 06:54:54,697 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 06:54:54,697 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-23 06:54:54,697 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 06:54:54,697 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 06:54:54,697 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 677 688) the Hoare annotation is: true [2018-11-23 06:54:54,698 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 677 688) no Hoare annotation was computed. [2018-11-23 06:54:54,698 INFO L451 ceAbstractionStarter]: At program point L684(line 684) the Hoare annotation is: true [2018-11-23 06:54:54,698 INFO L448 ceAbstractionStarter]: For program point L684-1(line 684) no Hoare annotation was computed. [2018-11-23 06:54:54,698 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 677 688) no Hoare annotation was computed. [2018-11-23 06:54:54,698 INFO L448 ceAbstractionStarter]: For program point L631(lines 631 635) no Hoare annotation was computed. [2018-11-23 06:54:54,698 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 593) no Hoare annotation was computed. [2018-11-23 06:54:54,698 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 604) no Hoare annotation was computed. [2018-11-23 06:54:54,698 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 615) no Hoare annotation was computed. [2018-11-23 06:54:54,698 INFO L448 ceAbstractionStarter]: For program point L103(lines 103 626) no Hoare annotation was computed. [2018-11-23 06:54:54,698 INFO L444 ceAbstractionStarter]: At program point L203(lines 199 594) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~blastFlag~0 3)) (.cse1 (<= 8672 ssl3_accept_~s__state~0))) (or (and .cse0 (not (= ssl3_accept_~s__hit~0 0)) .cse1) (and (<= ssl3_accept_~blastFlag~0 1) .cse1) (and .cse0 .cse1 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)))) [2018-11-23 06:54:54,698 INFO L451 ceAbstractionStarter]: At program point L104(lines 103 626) the Hoare annotation is: true [2018-11-23 06:54:54,698 INFO L448 ceAbstractionStarter]: For program point L336(lines 336 340) no Hoare annotation was computed. [2018-11-23 06:54:54,698 INFO L448 ceAbstractionStarter]: For program point L469(lines 469 480) no Hoare annotation was computed. [2018-11-23 06:54:54,699 INFO L448 ceAbstractionStarter]: For program point L436(lines 436 440) no Hoare annotation was computed. [2018-11-23 06:54:54,699 INFO L444 ceAbstractionStarter]: At program point L370(lines 353 388) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~blastFlag~0 2))) (or (and .cse0 (not (= ssl3_accept_~s__hit~0 0))) (and (<= ssl3_accept_~s__state~0 8576) .cse0 (<= 8466 ssl3_accept_~s__state~0)))) [2018-11-23 06:54:54,699 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 243) no Hoare annotation was computed. [2018-11-23 06:54:54,699 INFO L448 ceAbstractionStarter]: For program point L205(lines 205 592) no Hoare annotation was computed. [2018-11-23 06:54:54,699 INFO L448 ceAbstractionStarter]: For program point L172(lines 172 603) no Hoare annotation was computed. [2018-11-23 06:54:54,699 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 614) no Hoare annotation was computed. [2018-11-23 06:54:54,699 INFO L448 ceAbstractionStarter]: For program point L106(lines 106 625) no Hoare annotation was computed. [2018-11-23 06:54:54,699 INFO L444 ceAbstractionStarter]: At program point L404(lines 395 426) the Hoare annotation is: (let ((.cse0 (<= 8544 ssl3_accept_~s__state~0)) (.cse1 (<= ssl3_accept_~blastFlag~0 2))) (or (and .cse0 (<= ssl3_accept_~s__state~0 8576) .cse1) (and .cse0 .cse1 (not (= ssl3_accept_~s__hit~0 0))))) [2018-11-23 06:54:54,699 INFO L451 ceAbstractionStarter]: At program point L206(lines 205 592) the Hoare annotation is: true [2018-11-23 06:54:54,699 INFO L444 ceAbstractionStarter]: At program point L173(lines 169 604) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~blastFlag~0 2)) (.cse1 (<= 8576 ssl3_accept_~s__state~0))) (or (and (<= 8544 ssl3_accept_~s__state~0) .cse0 (not (= ssl3_accept_~s__hit~0 0))) (and .cse0 .cse1 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (and (<= ssl3_accept_~blastFlag~0 1) .cse1))) [2018-11-23 06:54:54,700 INFO L444 ceAbstractionStarter]: At program point L140(lines 136 615) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8576)) (.cse2 (<= 8466 ssl3_accept_~s__state~0)) (.cse1 (<= ssl3_accept_~blastFlag~0 2))) (or (and .cse0 .cse1 .cse2 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (and (and (<= ssl3_accept_~blastFlag~0 1) .cse0) .cse2) (and .cse1 (not (= ssl3_accept_~s__hit~0 0))))) [2018-11-23 06:54:54,700 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 82) no Hoare annotation was computed. [2018-11-23 06:54:54,700 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 376) no Hoare annotation was computed. [2018-11-23 06:54:54,700 INFO L448 ceAbstractionStarter]: For program point L406(lines 406 412) no Hoare annotation was computed. [2018-11-23 06:54:54,700 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 602) no Hoare annotation was computed. [2018-11-23 06:54:54,700 INFO L448 ceAbstractionStarter]: For program point L142(lines 142 613) no Hoare annotation was computed. [2018-11-23 06:54:54,700 INFO L448 ceAbstractionStarter]: For program point L109(lines 109 624) no Hoare annotation was computed. [2018-11-23 06:54:54,700 INFO L451 ceAbstractionStarter]: At program point ssl3_acceptENTRY(lines 8 676) the Hoare annotation is: true [2018-11-23 06:54:54,700 INFO L448 ceAbstractionStarter]: For program point L572(lines 572 582) no Hoare annotation was computed. [2018-11-23 06:54:54,700 INFO L448 ceAbstractionStarter]: For program point L572-1(lines 572 582) no Hoare annotation was computed. [2018-11-23 06:54:54,700 INFO L448 ceAbstractionStarter]: For program point L473(lines 473 477) no Hoare annotation was computed. [2018-11-23 06:54:54,700 INFO L448 ceAbstractionStarter]: For program point L275(lines 275 279) no Hoare annotation was computed. [2018-11-23 06:54:54,700 INFO L451 ceAbstractionStarter]: At program point L209(lines 208 591) the Hoare annotation is: true [2018-11-23 06:54:54,701 INFO L448 ceAbstractionStarter]: For program point L77(lines 77 81) no Hoare annotation was computed. [2018-11-23 06:54:54,701 INFO L448 ceAbstractionStarter]: For program point L77-2(lines 74 82) no Hoare annotation was computed. [2018-11-23 06:54:54,701 INFO L448 ceAbstractionStarter]: For program point L507(lines 507 511) no Hoare annotation was computed. [2018-11-23 06:54:54,701 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 317) no Hoare annotation was computed. [2018-11-23 06:54:54,701 INFO L451 ceAbstractionStarter]: At program point L673(lines 65 675) the Hoare annotation is: true [2018-11-23 06:54:54,701 INFO L448 ceAbstractionStarter]: For program point L640(lines 640 646) no Hoare annotation was computed. [2018-11-23 06:54:54,701 INFO L448 ceAbstractionStarter]: For program point L541(lines 541 546) no Hoare annotation was computed. [2018-11-23 06:54:54,701 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 601) no Hoare annotation was computed. [2018-11-23 06:54:54,701 INFO L448 ceAbstractionStarter]: For program point L145(lines 145 612) no Hoare annotation was computed. [2018-11-23 06:54:54,701 INFO L448 ceAbstractionStarter]: For program point L112(lines 112 623) no Hoare annotation was computed. [2018-11-23 06:54:54,701 INFO L448 ceAbstractionStarter]: For program point L575(lines 575 579) no Hoare annotation was computed. [2018-11-23 06:54:54,701 INFO L444 ceAbstractionStarter]: At program point L179(lines 175 602) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~blastFlag~0 2)) (.cse1 (<= 8576 ssl3_accept_~s__state~0))) (or (and (<= 8544 ssl3_accept_~s__state~0) .cse0 (not (= ssl3_accept_~s__hit~0 0))) (and .cse0 .cse1 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (and (<= ssl3_accept_~blastFlag~0 1) .cse1))) [2018-11-23 06:54:54,702 INFO L444 ceAbstractionStarter]: At program point L146(lines 142 613) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~blastFlag~0 2))) (or (and .cse0 (not (= ssl3_accept_~s__hit~0 0))) (and (<= ssl3_accept_~s__state~0 8576) .cse0 (<= 8466 ssl3_accept_~s__state~0)))) [2018-11-23 06:54:54,702 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 316) no Hoare annotation was computed. [2018-11-23 06:54:54,702 INFO L448 ceAbstractionStarter]: For program point L312-2(lines 210 588) no Hoare annotation was computed. [2018-11-23 06:54:54,702 INFO L451 ceAbstractionStarter]: At program point L213(lines 106 625) the Hoare annotation is: true [2018-11-23 06:54:54,702 INFO L448 ceAbstractionStarter]: For program point ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION(line 669) no Hoare annotation was computed. [2018-11-23 06:54:54,702 INFO L448 ceAbstractionStarter]: For program point L181(lines 181 600) no Hoare annotation was computed. [2018-11-23 06:54:54,702 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 611) no Hoare annotation was computed. [2018-11-23 06:54:54,702 INFO L448 ceAbstractionStarter]: For program point L115(lines 115 622) no Hoare annotation was computed. [2018-11-23 06:54:54,702 INFO L448 ceAbstractionStarter]: For program point L512(lines 512 516) no Hoare annotation was computed. [2018-11-23 06:54:54,702 INFO L448 ceAbstractionStarter]: For program point L512-2(lines 512 516) no Hoare annotation was computed. [2018-11-23 06:54:54,702 INFO L448 ceAbstractionStarter]: For program point L446-1(lines 446 458) no Hoare annotation was computed. [2018-11-23 06:54:54,702 INFO L444 ceAbstractionStarter]: At program point L414(lines 405 425) the Hoare annotation is: (let ((.cse0 (<= 8544 ssl3_accept_~s__state~0)) (.cse1 (<= ssl3_accept_~blastFlag~0 2))) (or (and .cse0 (<= ssl3_accept_~s__state~0 8576) .cse1) (and .cse0 .cse1 (not (= ssl3_accept_~s__hit~0 0))))) [2018-11-23 06:54:54,703 INFO L448 ceAbstractionStarter]: For program point L348(lines 348 352) no Hoare annotation was computed. [2018-11-23 06:54:54,703 INFO L448 ceAbstractionStarter]: For program point L348-2(lines 210 588) no Hoare annotation was computed. [2018-11-23 06:54:54,703 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 92) no Hoare annotation was computed. [2018-11-23 06:54:54,703 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 65 675) no Hoare annotation was computed. [2018-11-23 06:54:54,703 INFO L448 ceAbstractionStarter]: For program point L184(lines 184 599) no Hoare annotation was computed. [2018-11-23 06:54:54,703 INFO L448 ceAbstractionStarter]: For program point L151(lines 151 610) no Hoare annotation was computed. [2018-11-23 06:54:54,703 INFO L448 ceAbstractionStarter]: For program point L118(lines 118 621) no Hoare annotation was computed. [2018-11-23 06:54:54,703 INFO L448 ceAbstractionStarter]: For program point L85(lines 85 89) no Hoare annotation was computed. [2018-11-23 06:54:54,703 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 454) no Hoare annotation was computed. [2018-11-23 06:54:54,703 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 222) no Hoare annotation was computed. [2018-11-23 06:54:54,703 INFO L444 ceAbstractionStarter]: At program point L185(lines 181 600) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~blastFlag~0 2)) (.cse1 (<= 8576 ssl3_accept_~s__state~0))) (or (and (<= 8544 ssl3_accept_~s__state~0) .cse0 (not (= ssl3_accept_~s__hit~0 0))) (and .cse0 .cse1 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (and (<= ssl3_accept_~blastFlag~0 1) .cse1))) [2018-11-23 06:54:54,703 INFO L444 ceAbstractionStarter]: At program point L152(lines 148 611) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~blastFlag~0 2))) (or (and .cse0 (not (= ssl3_accept_~s__hit~0 0))) (and (<= ssl3_accept_~s__state~0 8576) .cse0 (<= 8466 ssl3_accept_~s__state~0)))) [2018-11-23 06:54:54,704 INFO L448 ceAbstractionStarter]: For program point L218-2(lines 210 588) no Hoare annotation was computed. [2018-11-23 06:54:54,704 INFO L448 ceAbstractionStarter]: For program point $Ultimate##90(lines 210 590) no Hoare annotation was computed. [2018-11-23 06:54:54,704 INFO L448 ceAbstractionStarter]: For program point L417(lines 417 421) no Hoare annotation was computed. [2018-11-23 06:54:54,704 INFO L448 ceAbstractionStarter]: For program point $Ultimate##91(lines 210 590) no Hoare annotation was computed. [2018-11-23 06:54:54,704 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 598) no Hoare annotation was computed. [2018-11-23 06:54:54,704 INFO L448 ceAbstractionStarter]: For program point L154(lines 154 609) no Hoare annotation was computed. [2018-11-23 06:54:54,704 INFO L448 ceAbstractionStarter]: For program point L121(lines 121 620) no Hoare annotation was computed. [2018-11-23 06:54:54,704 INFO L448 ceAbstractionStarter]: For program point L551(lines 551 555) no Hoare annotation was computed. [2018-11-23 06:54:54,704 INFO L448 ceAbstractionStarter]: For program point L485(lines 485 489) no Hoare annotation was computed. [2018-11-23 06:54:54,704 INFO L444 ceAbstractionStarter]: At program point L122(lines 118 621) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8576)) (.cse2 (<= ssl3_accept_~blastFlag~0 2)) (.cse1 (<= 8466 ssl3_accept_~s__state~0))) (or (and (and (<= ssl3_accept_~blastFlag~0 1) .cse0) .cse1) (and .cse2 (not (= ssl3_accept_~s__hit~0 0))) (and .cse0 .cse2 .cse1 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)))) [2018-11-23 06:54:54,704 INFO L444 ceAbstractionStarter]: At program point L552(lines 65 675) the Hoare annotation is: false [2018-11-23 06:54:54,704 INFO L448 ceAbstractionStarter]: For program point ssl3_acceptEXIT(lines 8 676) no Hoare annotation was computed. [2018-11-23 06:54:54,705 INFO L448 ceAbstractionStarter]: For program point L255(lines 255 269) no Hoare annotation was computed. [2018-11-23 06:54:54,705 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 261) no Hoare annotation was computed. [2018-11-23 06:54:54,705 INFO L448 ceAbstractionStarter]: For program point L190(lines 190 597) no Hoare annotation was computed. [2018-11-23 06:54:54,705 INFO L448 ceAbstractionStarter]: For program point L157(lines 157 608) no Hoare annotation was computed. [2018-11-23 06:54:54,705 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 619) no Hoare annotation was computed. [2018-11-23 06:54:54,705 INFO L448 ceAbstractionStarter]: For program point L356(lines 356 387) no Hoare annotation was computed. [2018-11-23 06:54:54,705 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 327) no Hoare annotation was computed. [2018-11-23 06:54:54,705 INFO L448 ceAbstractionStarter]: For program point L323-2(lines 323 327) no Hoare annotation was computed. [2018-11-23 06:54:54,705 INFO L444 ceAbstractionStarter]: At program point L191(lines 187 598) the Hoare annotation is: (let ((.cse1 (not (= ssl3_accept_~s__hit~0 0))) (.cse2 (<= ssl3_accept_~blastFlag~0 2)) (.cse0 (<= 8640 ssl3_accept_~s__state~0))) (or (and (<= ssl3_accept_~blastFlag~0 1) .cse0) (and (<= ssl3_accept_~blastFlag~0 3) .cse1 (<= 8640 ssl3_accept_~s__s3__tmp__next_state___0~0) .cse0) (and .cse2 .cse1 .cse0) (and .cse2 .cse0 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)))) [2018-11-23 06:54:54,705 INFO L444 ceAbstractionStarter]: At program point L158(lines 154 609) the Hoare annotation is: (let ((.cse0 (<= 8544 ssl3_accept_~s__state~0)) (.cse1 (<= ssl3_accept_~blastFlag~0 2))) (or (and .cse0 (<= ssl3_accept_~s__state~0 8576) .cse1) (and .cse0 .cse1 (not (= ssl3_accept_~s__hit~0 0))))) [2018-11-23 06:54:54,705 INFO L444 ceAbstractionStarter]: At program point L125(lines 124 619) the Hoare annotation is: (let ((.cse0 (<= ssl3_accept_~s__state~0 8576)) (.cse2 (<= ssl3_accept_~blastFlag~0 2)) (.cse1 (<= 8466 ssl3_accept_~s__state~0))) (or (and (<= ssl3_accept_~blastFlag~0 1) .cse0 .cse1) (and .cse2 (not (= ssl3_accept_~s__hit~0 0))) (and .cse0 .cse2 .cse1 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)))) [2018-11-23 06:54:54,705 INFO L448 ceAbstractionStarter]: For program point ssl3_acceptFINAL(lines 8 676) no Hoare annotation was computed. [2018-11-23 06:54:54,706 INFO L448 ceAbstractionStarter]: For program point L522(lines 522 527) no Hoare annotation was computed. [2018-11-23 06:54:54,706 INFO L444 ceAbstractionStarter]: At program point L589(lines 100 657) the Hoare annotation is: (let ((.cse3 (= ssl3_accept_~s__hit~0 0))) (let ((.cse2 (<= 8672 ssl3_accept_~s__state~0)) (.cse6 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse7 (<= ssl3_accept_~blastFlag~0 1)) (.cse5 (<= ssl3_accept_~blastFlag~0 2)) (.cse0 (<= ssl3_accept_~blastFlag~0 3)) (.cse1 (not .cse3)) (.cse8 (<= 8640 ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse4 (<= ssl3_accept_~s__state~0 8448))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse0 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 3) .cse4) (and .cse5 .cse6) (and .cse0 .cse2 .cse6) (and (= ssl3_accept_~s__state~0 8544) .cse5) (and (= ssl3_accept_~s__state~0 8528) .cse5) (and (= ssl3_accept_~s__state~0 8656) .cse0 .cse1) (and .cse7 (<= (+ (* 2 ssl3_accept_~ag_X~0) (* 2 ssl3_accept_~ag_Y~0)) 8496)) (and .cse5 .cse1) (<= ssl3_accept_~blastFlag~0 0) (and .cse0 .cse1 .cse8 (<= 8640 ssl3_accept_~s__state~0)) (and .cse5 (= ssl3_accept_~s__state~0 8512)) (and .cse7 (<= 8466 ssl3_accept_~s__state~0)) (and .cse7 (<= ssl3_accept_~s__state~0 3)) (and .cse5 (= ssl3_accept_~s__state~0 8560)) (and .cse0 .cse1 .cse8 .cse4)))) [2018-11-23 06:54:54,706 INFO L448 ceAbstractionStarter]: For program point L556(lines 556 560) no Hoare annotation was computed. [2018-11-23 06:54:54,706 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 296) no Hoare annotation was computed. [2018-11-23 06:54:54,706 INFO L448 ceAbstractionStarter]: For program point L292-2(lines 210 588) no Hoare annotation was computed. [2018-11-23 06:54:54,706 INFO L448 ceAbstractionStarter]: For program point L193(lines 193 596) no Hoare annotation was computed. [2018-11-23 06:54:54,706 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 607) no Hoare annotation was computed. [2018-11-23 06:54:54,706 INFO L448 ceAbstractionStarter]: For program point L127(lines 127 618) no Hoare annotation was computed. [2018-11-23 06:54:54,706 INFO L448 ceAbstractionStarter]: For program point L359(lines 359 386) no Hoare annotation was computed. [2018-11-23 06:54:54,706 INFO L448 ceAbstractionStarter]: For program point L359-1(lines 359 386) no Hoare annotation was computed. [2018-11-23 06:54:54,706 INFO L448 ceAbstractionStarter]: For program point L360(lines 360 383) no Hoare annotation was computed. [2018-11-23 06:54:54,706 INFO L451 ceAbstractionStarter]: At program point L658(lines 99 659) the Hoare annotation is: true [2018-11-23 06:54:54,707 INFO L448 ceAbstractionStarter]: For program point L196(lines 196 595) no Hoare annotation was computed. [2018-11-23 06:54:54,707 INFO L448 ceAbstractionStarter]: For program point L163(lines 163 606) no Hoare annotation was computed. [2018-11-23 06:54:54,707 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 617) no Hoare annotation was computed. [2018-11-23 06:54:54,707 INFO L448 ceAbstractionStarter]: For program point L395(lines 395 426) no Hoare annotation was computed. [2018-11-23 06:54:54,707 INFO L448 ceAbstractionStarter]: For program point L230(lines 230 247) no Hoare annotation was computed. [2018-11-23 06:54:54,707 INFO L444 ceAbstractionStarter]: At program point L197(lines 193 596) the Hoare annotation is: (let ((.cse0 (<= 8640 ssl3_accept_~s__state~0))) (or (and (<= ssl3_accept_~blastFlag~0 2) .cse0 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (and (<= ssl3_accept_~blastFlag~0 1) .cse0) (and (<= ssl3_accept_~blastFlag~0 3) (not (= ssl3_accept_~s__hit~0 0)) .cse0))) [2018-11-23 06:54:54,707 INFO L444 ceAbstractionStarter]: At program point L164(lines 160 607) the Hoare annotation is: (let ((.cse0 (<= 8544 ssl3_accept_~s__state~0)) (.cse1 (<= ssl3_accept_~blastFlag~0 2))) (or (and (<= ssl3_accept_~s__state~0 8576) .cse0 .cse1) (and .cse0 .cse1 (not (= ssl3_accept_~s__hit~0 0))))) [2018-11-23 06:54:54,707 INFO L448 ceAbstractionStarter]: For program point L230-2(lines 210 588) no Hoare annotation was computed. [2018-11-23 06:54:54,707 INFO L448 ceAbstractionStarter]: For program point L627(lines 627 655) no Hoare annotation was computed. [2018-11-23 06:54:54,707 INFO L448 ceAbstractionStarter]: For program point L396(lines 396 402) no Hoare annotation was computed. [2018-11-23 06:54:54,707 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 382) no Hoare annotation was computed. [2018-11-23 06:54:54,707 INFO L448 ceAbstractionStarter]: For program point L628(lines 628 652) no Hoare annotation was computed. [2018-11-23 06:54:54,707 INFO L448 ceAbstractionStarter]: For program point L562(lines 562 566) no Hoare annotation was computed. [2018-11-23 06:54:54,708 INFO L448 ceAbstractionStarter]: For program point L529(lines 529 533) no Hoare annotation was computed. [2018-11-23 06:54:54,708 INFO L448 ceAbstractionStarter]: For program point L496(lines 496 500) no Hoare annotation was computed. [2018-11-23 06:54:54,708 INFO L448 ceAbstractionStarter]: For program point L562-2(lines 562 566) no Hoare annotation was computed. [2018-11-23 06:54:54,708 INFO L448 ceAbstractionStarter]: For program point L529-2(lines 210 588) no Hoare annotation was computed. [2018-11-23 06:54:54,708 INFO L448 ceAbstractionStarter]: For program point L364(lines 364 368) no Hoare annotation was computed. [2018-11-23 06:54:54,708 INFO L448 ceAbstractionStarter]: For program point L364-2(lines 363 380) no Hoare annotation was computed. [2018-11-23 06:54:54,708 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 237) no Hoare annotation was computed. [2018-11-23 06:54:54,708 INFO L448 ceAbstractionStarter]: For program point L199(lines 199 594) no Hoare annotation was computed. [2018-11-23 06:54:54,708 INFO L448 ceAbstractionStarter]: For program point L166(lines 166 605) no Hoare annotation was computed. [2018-11-23 06:54:54,708 INFO L448 ceAbstractionStarter]: For program point L133(lines 133 616) no Hoare annotation was computed. [2018-11-23 06:54:54,708 INFO L444 ceAbstractionStarter]: At program point L100-2(lines 100 657) the Hoare annotation is: (let ((.cse0 (= ssl3_accept_~s__hit~0 0))) (let ((.cse7 (<= 8640 ssl3_accept_~s__s3__tmp__next_state___0~0)) (.cse2 (<= ssl3_accept_~s__state~0 8448)) (.cse8 (<= 8672 ssl3_accept_~s__state~0)) (.cse4 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse1 (<= ssl3_accept_~blastFlag~0 3)) (.cse6 (not .cse0)) (.cse3 (<= ssl3_accept_~blastFlag~0 2)) (.cse5 (<= ssl3_accept_~blastFlag~0 1))) (or (and .cse0 .cse1 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 3) .cse2) (and (= ssl3_accept_~s__state~0 8544) .cse3) (and .cse3 .cse4) (and .cse5 (<= (+ (* 2 ssl3_accept_~ag_X~0) (* 2 ssl3_accept_~ag_Y~0)) 8496)) (and .cse1 .cse6 .cse7 (<= 8640 ssl3_accept_~s__state~0)) (and .cse3 (= ssl3_accept_~s__state~0 8560)) (and .cse1 .cse6 .cse7 .cse2) (and .cse1 .cse6 .cse8) (and .cse1 .cse8 .cse4) (<= ssl3_accept_~blastFlag~0 0) (and (= ssl3_accept_~s__state~0 8528) .cse3) (and (= ssl3_accept_~s__state~0 8656) .cse1 .cse6) (and .cse3 .cse6) (and .cse3 (= ssl3_accept_~s__state~0 8512)) (and .cse5 (<= 8466 ssl3_accept_~s__state~0)) (and .cse5 (<= ssl3_accept_~s__state~0 3))))) [2018-11-23 06:54:54,708 INFO L448 ceAbstractionStarter]: For program point L662(lines 662 666) no Hoare annotation was computed. [2018-11-23 06:54:54,709 INFO L448 ceAbstractionStarter]: For program point L629(lines 629 638) no Hoare annotation was computed. [2018-11-23 06:54:54,709 INFO L448 ceAbstractionStarter]: For program point L662-2(lines 662 666) no Hoare annotation was computed. [2018-11-23 06:54:54,709 INFO L448 ceAbstractionStarter]: For program point L629-2(lines 628 650) no Hoare annotation was computed. [2018-11-23 06:54:54,709 INFO L448 ceAbstractionStarter]: For program point L464(lines 464 468) no Hoare annotation was computed. [2018-11-23 06:54:54,709 INFO L448 ceAbstractionStarter]: For program point L332-1(lines 332 341) no Hoare annotation was computed. [2018-11-23 06:54:54,709 INFO L444 ceAbstractionStarter]: At program point L167(lines 166 605) the Hoare annotation is: (let ((.cse0 (= ssl3_accept_~s__hit~0 0))) (let ((.cse3 (<= ssl3_accept_~blastFlag~0 2)) (.cse1 (<= ssl3_accept_~blastFlag~0 3)) (.cse4 (not .cse0)) (.cse2 (<= ssl3_accept_~s__state~0 8448))) (or (and .cse0 .cse1 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 3) .cse2) (and .cse3 .cse2 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (and (<= ssl3_accept_~blastFlag~0 1) (<= (+ (* 2 ssl3_accept_~ag_X~0) (* 2 ssl3_accept_~ag_Y~0)) 8496) .cse2) (and .cse2 (<= ssl3_accept_~blastFlag~0 0)) (and .cse3 .cse4 .cse2) (and .cse1 .cse4 (<= 8640 ssl3_accept_~s__s3__tmp__next_state___0~0) .cse2)))) [2018-11-23 06:54:54,709 INFO L444 ceAbstractionStarter]: At program point L134(lines 127 618) the Hoare annotation is: (let ((.cse1 (<= ssl3_accept_~s__state~0 8576)) (.cse0 (<= ssl3_accept_~blastFlag~0 2))) (or (and .cse0 (not (= ssl3_accept_~s__hit~0 0))) (and (<= ssl3_accept_~blastFlag~0 1) .cse1) (and .cse1 .cse0 (<= ssl3_accept_~s__s3__tmp__next_state___0~0 8576)))) [2018-11-23 06:54:54,709 INFO L448 ceAbstractionStarter]: For program point L101(line 101) no Hoare annotation was computed. [2018-11-23 06:54:54,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 06:54:54 BoogieIcfgContainer [2018-11-23 06:54:54,738 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 06:54:54,738 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 06:54:54,738 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 06:54:54,738 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 06:54:54,738 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:54:38" (3/4) ... [2018-11-23 06:54:54,741 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 06:54:54,746 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 06:54:54,747 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 06:54:54,747 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ssl3_accept [2018-11-23 06:54:54,754 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-23 06:54:54,754 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 06:54:54,754 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 06:54:54,822 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a160fba2-f945-4927-92c2-25d8396647ac/bin-2019/utaipan/witness.graphml [2018-11-23 06:54:54,822 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 06:54:54,823 INFO L168 Benchmark]: Toolchain (without parser) took 16676.83 ms. Allocated memory was 1.0 GB in the beginning and 2.7 GB in the end (delta: 1.6 GB). Free memory was 958.2 MB in the beginning and 2.2 GB in the end (delta: -1.2 GB). Peak memory consumption was 407.0 MB. Max. memory is 11.5 GB. [2018-11-23 06:54:54,823 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 06:54:54,823 INFO L168 Benchmark]: CACSL2BoogieTranslator took 250.04 ms. Allocated memory is still 1.0 GB. Free memory was 958.2 MB in the beginning and 939.4 MB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2018-11-23 06:54:54,823 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -199.4 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. [2018-11-23 06:54:54,824 INFO L168 Benchmark]: Boogie Preprocessor took 28.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 06:54:54,824 INFO L168 Benchmark]: RCFGBuilder took 499.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 54.7 MB). Peak memory consumption was 54.7 MB. Max. memory is 11.5 GB. [2018-11-23 06:54:54,824 INFO L168 Benchmark]: TraceAbstraction took 15743.27 ms. Allocated memory was 1.2 GB in the beginning and 2.7 GB in the end (delta: 1.5 GB). Free memory was 1.1 GB in the beginning and 2.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. [2018-11-23 06:54:54,824 INFO L168 Benchmark]: Witness Printer took 84.16 ms. Allocated memory is still 2.7 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 35.4 MB). Peak memory consumption was 35.4 MB. Max. memory is 11.5 GB. [2018-11-23 06:54:54,828 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 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 250.04 ms. Allocated memory is still 1.0 GB. Free memory was 958.2 MB in the beginning and 939.4 MB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 67.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -199.4 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 499.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 54.7 MB). Peak memory consumption was 54.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 15743.27 ms. Allocated memory was 1.2 GB in the beginning and 2.7 GB in the end (delta: 1.5 GB). Free memory was 1.1 GB in the beginning and 2.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. * Witness Printer took 84.16 ms. Allocated memory is still 2.7 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 35.4 MB). Peak memory consumption was 35.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 669]: 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: 136]: Loop Invariant Derived loop invariant: ((((s__state <= 8576 && blastFlag <= 2) && 8466 <= s__state) && s__s3__tmp__next_state___0 <= 8576) || ((blastFlag <= 1 && s__state <= 8576) && 8466 <= s__state)) || (blastFlag <= 2 && !(s__hit == 0)) - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: (((((((((((((((((s__hit == 0 && blastFlag <= 3) && s__s3__tmp__next_state___0 <= 3) && s__state <= 8448) || (s__state == 8544 && blastFlag <= 2)) || (blastFlag <= 2 && s__s3__tmp__next_state___0 <= 8576)) || (blastFlag <= 1 && 2 * ag_X + 2 * ag_Y <= 8496)) || (((blastFlag <= 3 && !(s__hit == 0)) && 8640 <= s__s3__tmp__next_state___0) && 8640 <= s__state)) || (blastFlag <= 2 && s__state == 8560)) || (((blastFlag <= 3 && !(s__hit == 0)) && 8640 <= s__s3__tmp__next_state___0) && s__state <= 8448)) || ((blastFlag <= 3 && !(s__hit == 0)) && 8672 <= s__state)) || ((blastFlag <= 3 && 8672 <= s__state) && s__s3__tmp__next_state___0 <= 8576)) || blastFlag <= 0) || (s__state == 8528 && blastFlag <= 2)) || ((s__state == 8656 && blastFlag <= 3) && !(s__hit == 0))) || (blastFlag <= 2 && !(s__hit == 0))) || (blastFlag <= 2 && s__state == 8512)) || (blastFlag <= 1 && 8466 <= s__state)) || (blastFlag <= 1 && s__state <= 3) - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: (((8544 <= s__state && blastFlag <= 2) && !(s__hit == 0)) || ((blastFlag <= 2 && 8576 <= s__state) && s__s3__tmp__next_state___0 <= 8576)) || (blastFlag <= 1 && 8576 <= s__state) - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: ((s__state <= 8576 && 8544 <= s__state) && blastFlag <= 2) || ((8544 <= s__state && blastFlag <= 2) && !(s__hit == 0)) - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: (((blastFlag <= 1 && s__state <= 8576) && 8466 <= s__state) || (blastFlag <= 2 && !(s__hit == 0))) || (((s__state <= 8576 && blastFlag <= 2) && 8466 <= s__state) && s__s3__tmp__next_state___0 <= 8576) - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: (((blastFlag <= 2 && 8640 <= s__state) && s__s3__tmp__next_state___0 <= 8576) || (blastFlag <= 1 && 8640 <= s__state)) || ((blastFlag <= 3 && !(s__hit == 0)) && 8640 <= s__state) - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: (blastFlag <= 2 && !(s__hit == 0)) || ((s__state <= 8576 && blastFlag <= 2) && 8466 <= s__state) - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: (((8544 <= s__state && blastFlag <= 2) && !(s__hit == 0)) || ((blastFlag <= 2 && 8576 <= s__state) && s__s3__tmp__next_state___0 <= 8576)) || (blastFlag <= 1 && 8576 <= s__state) - InvariantResult [Line: 395]: Loop Invariant Derived loop invariant: ((8544 <= s__state && s__state <= 8576) && blastFlag <= 2) || ((8544 <= s__state && blastFlag <= 2) && !(s__hit == 0)) - InvariantResult [Line: 199]: Loop Invariant Derived loop invariant: (((blastFlag <= 3 && !(s__hit == 0)) && 8672 <= s__state) || (blastFlag <= 1 && 8672 <= s__state)) || ((blastFlag <= 3 && 8672 <= s__state) && s__s3__tmp__next_state___0 <= 8576) - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: ((((((((((((((((blastFlag <= 3 && !(s__hit == 0)) && 8672 <= s__state) || (((s__hit == 0 && blastFlag <= 3) && s__s3__tmp__next_state___0 <= 3) && s__state <= 8448)) || (blastFlag <= 2 && s__s3__tmp__next_state___0 <= 8576)) || ((blastFlag <= 3 && 8672 <= s__state) && s__s3__tmp__next_state___0 <= 8576)) || (s__state == 8544 && blastFlag <= 2)) || (s__state == 8528 && blastFlag <= 2)) || ((s__state == 8656 && blastFlag <= 3) && !(s__hit == 0))) || (blastFlag <= 1 && 2 * ag_X + 2 * ag_Y <= 8496)) || (blastFlag <= 2 && !(s__hit == 0))) || blastFlag <= 0) || (((blastFlag <= 3 && !(s__hit == 0)) && 8640 <= s__s3__tmp__next_state___0) && 8640 <= s__state)) || (blastFlag <= 2 && s__state == 8512)) || (blastFlag <= 1 && 8466 <= s__state)) || (blastFlag <= 1 && s__state <= 3)) || (blastFlag <= 2 && s__state == 8560)) || (((blastFlag <= 3 && !(s__hit == 0)) && 8640 <= s__s3__tmp__next_state___0) && s__state <= 8448) - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: (blastFlag <= 2 && !(s__hit == 0)) || ((s__state <= 8576 && blastFlag <= 2) && 8466 <= s__state) - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: (((8544 <= s__state && blastFlag <= 2) && !(s__hit == 0)) || ((blastFlag <= 2 && 8576 <= s__state) && s__s3__tmp__next_state___0 <= 8576)) || (blastFlag <= 1 && 8576 <= s__state) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: ((blastFlag <= 2 && !(s__hit == 0)) || (blastFlag <= 1 && s__state <= 8576)) || ((s__state <= 8576 && blastFlag <= 2) && s__s3__tmp__next_state___0 <= 8576) - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: (((((((s__hit == 0 && blastFlag <= 3) && s__s3__tmp__next_state___0 <= 3) && s__state <= 8448) || ((blastFlag <= 2 && s__state <= 8448) && s__s3__tmp__next_state___0 <= 8576)) || ((blastFlag <= 1 && 2 * ag_X + 2 * ag_Y <= 8496) && s__state <= 8448)) || (s__state <= 8448 && blastFlag <= 0)) || ((blastFlag <= 2 && !(s__hit == 0)) && s__state <= 8448)) || (((blastFlag <= 3 && !(s__hit == 0)) && 8640 <= s__s3__tmp__next_state___0) && s__state <= 8448) - InvariantResult [Line: 353]: Loop Invariant Derived loop invariant: (blastFlag <= 2 && !(s__hit == 0)) || ((s__state <= 8576 && blastFlag <= 2) && 8466 <= s__state) - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: (((blastFlag <= 1 && s__state <= 8576) && 8466 <= s__state) || (blastFlag <= 2 && !(s__hit == 0))) || (((s__state <= 8576 && blastFlag <= 2) && 8466 <= s__state) && s__s3__tmp__next_state___0 <= 8576) - InvariantResult [Line: 154]: Loop Invariant Derived loop invariant: ((8544 <= s__state && s__state <= 8576) && blastFlag <= 2) || ((8544 <= s__state && blastFlag <= 2) && !(s__hit == 0)) - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: ((8544 <= s__state && s__state <= 8576) && blastFlag <= 2) || ((8544 <= s__state && blastFlag <= 2) && !(s__hit == 0)) - InvariantResult [Line: 187]: Loop Invariant Derived loop invariant: (((blastFlag <= 1 && 8640 <= s__state) || (((blastFlag <= 3 && !(s__hit == 0)) && 8640 <= s__s3__tmp__next_state___0) && 8640 <= s__state)) || ((blastFlag <= 2 && !(s__hit == 0)) && 8640 <= s__state)) || ((blastFlag <= 2 && 8640 <= s__state) && s__s3__tmp__next_state___0 <= 8576) - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 148 locations, 1 error locations. SAFE Result, 15.6s OverallTime, 21 OverallIterations, 19 TraceHistogramMax, 3.8s AutomataDifference, 0.0s DeadEndRemovalTime, 4.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 4946 SDtfs, 2001 SDslu, 3945 SDs, 0 SdLazy, 3109 SolverSat, 422 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4604 GetRequests, 4553 SyntacticMatches, 1 SemanticMatches, 50 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7267occurred in iteration=20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.1s AbstIntTime, 6 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 21 MinimizatonAttempts, 6183 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 33 LocationsWithAnnotation, 33 PreInvPairs, 1446 NumberOfFragments, 836 HoareAnnotationTreeSize, 33 FomulaSimplifications, 91797 FormulaSimplificationTreeSizeReduction, 2.3s HoareSimplificationTime, 33 FomulaSimplificationsInter, 21835 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 7590 NumberOfCodeBlocks, 7590 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 9819 ConstructedInterpolants, 35 QuantifiedInterpolants, 6653038 SizeOfPredicates, 12 NumberOfNonLiveVariables, 4046 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 33 InterpolantComputations, 19 PerfectInterpolantSequences, 39103/39709 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...