./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem15_label59_true-unreach-call.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_a8503da8-a86b-4772-ba50-154009ebaee9/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a8503da8-a86b-4772-ba50-154009ebaee9/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a8503da8-a86b-4772-ba50-154009ebaee9/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a8503da8-a86b-4772-ba50-154009ebaee9/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem15_label59_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a8503da8-a86b-4772-ba50-154009ebaee9/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a8503da8-a86b-4772-ba50-154009ebaee9/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 30c34688967b08e009ee7c945b5c905ca7f15dd9 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 12:58:24,023 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 12:58:24,024 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 12:58:24,030 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 12:58:24,030 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 12:58:24,031 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 12:58:24,032 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 12:58:24,033 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 12:58:24,034 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 12:58:24,034 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 12:58:24,035 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 12:58:24,035 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 12:58:24,036 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 12:58:24,037 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 12:58:24,037 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 12:58:24,038 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 12:58:24,038 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 12:58:24,040 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 12:58:24,041 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 12:58:24,042 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 12:58:24,043 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 12:58:24,044 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 12:58:24,045 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 12:58:24,045 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 12:58:24,045 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 12:58:24,046 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 12:58:24,047 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 12:58:24,047 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 12:58:24,048 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 12:58:24,049 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 12:58:24,049 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 12:58:24,049 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 12:58:24,049 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 12:58:24,050 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 12:58:24,050 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 12:58:24,051 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 12:58:24,051 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a8503da8-a86b-4772-ba50-154009ebaee9/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 12:58:24,061 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 12:58:24,061 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 12:58:24,062 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 12:58:24,062 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 12:58:24,062 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 12:58:24,062 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 12:58:24,062 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 12:58:24,062 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 12:58:24,063 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 12:58:24,063 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 12:58:24,063 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 12:58:24,063 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 12:58:24,063 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 12:58:24,064 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 12:58:24,064 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 12:58:24,064 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 12:58:24,064 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 12:58:24,064 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 12:58:24,064 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 12:58:24,065 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 12:58:24,065 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 12:58:24,065 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 12:58:24,065 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 12:58:24,065 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 12:58:24,065 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 12:58:24,066 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 12:58:24,066 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 12:58:24,066 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 12:58:24,066 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 12:58:24,066 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 12:58:24,066 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 12:58:24,066 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 12:58:24,066 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 12:58:24,067 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 12:58:24,067 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 12:58:24,067 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 12:58:24,067 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 12:58:24,067 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_a8503da8-a86b-4772-ba50-154009ebaee9/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 -> 30c34688967b08e009ee7c945b5c905ca7f15dd9 [2018-11-23 12:58:24,091 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 12:58:24,099 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 12:58:24,101 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 12:58:24,102 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 12:58:24,102 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 12:58:24,103 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a8503da8-a86b-4772-ba50-154009ebaee9/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem15_label59_true-unreach-call.c [2018-11-23 12:58:24,138 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a8503da8-a86b-4772-ba50-154009ebaee9/bin-2019/utaipan/data/806a61f30/0a613789b4534cd0926dabc98b9626d7/FLAGaf8777010 [2018-11-23 12:58:24,545 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 12:58:24,546 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a8503da8-a86b-4772-ba50-154009ebaee9/sv-benchmarks/c/eca-rers2012/Problem15_label59_true-unreach-call.c [2018-11-23 12:58:24,559 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a8503da8-a86b-4772-ba50-154009ebaee9/bin-2019/utaipan/data/806a61f30/0a613789b4534cd0926dabc98b9626d7/FLAGaf8777010 [2018-11-23 12:58:24,571 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a8503da8-a86b-4772-ba50-154009ebaee9/bin-2019/utaipan/data/806a61f30/0a613789b4534cd0926dabc98b9626d7 [2018-11-23 12:58:24,574 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 12:58:24,575 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 12:58:24,576 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 12:58:24,576 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 12:58:24,579 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 12:58:24,579 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:58:24" (1/1) ... [2018-11-23 12:58:24,582 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51ac0340 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:58:24, skipping insertion in model container [2018-11-23 12:58:24,582 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:58:24" (1/1) ... [2018-11-23 12:58:24,590 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 12:58:24,642 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 12:58:25,084 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:58:25,087 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 12:58:25,323 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:58:25,333 INFO L195 MainTranslator]: Completed translation [2018-11-23 12:58:25,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:58:25 WrapperNode [2018-11-23 12:58:25,333 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 12:58:25,334 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 12:58:25,334 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 12:58:25,334 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 12:58:25,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:58:25" (1/1) ... [2018-11-23 12:58:25,360 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:58:25" (1/1) ... [2018-11-23 12:58:25,366 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 12:58:25,367 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 12:58:25,367 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 12:58:25,367 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 12:58:25,373 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:58:25" (1/1) ... [2018-11-23 12:58:25,374 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:58:25" (1/1) ... [2018-11-23 12:58:25,379 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:58:25" (1/1) ... [2018-11-23 12:58:25,380 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:58:25" (1/1) ... [2018-11-23 12:58:25,410 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:58:25" (1/1) ... [2018-11-23 12:58:25,420 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:58:25" (1/1) ... [2018-11-23 12:58:25,431 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:58:25" (1/1) ... [2018-11-23 12:58:25,442 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 12:58:25,442 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 12:58:25,442 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 12:58:25,443 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 12:58:25,443 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:58:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a8503da8-a86b-4772-ba50-154009ebaee9/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 12:58:25,480 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 12:58:25,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 12:58:25,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 12:58:25,480 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-23 12:58:25,480 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-23 12:58:25,480 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 12:58:25,480 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 12:58:25,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 12:58:25,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 12:58:25,481 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 12:58:25,481 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 12:58:27,199 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 12:58:27,199 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 12:58:27,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:58:27 BoogieIcfgContainer [2018-11-23 12:58:27,199 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 12:58:27,200 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 12:58:27,200 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 12:58:27,202 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 12:58:27,202 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 12:58:24" (1/3) ... [2018-11-23 12:58:27,203 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d80b4dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:58:27, skipping insertion in model container [2018-11-23 12:58:27,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:58:25" (2/3) ... [2018-11-23 12:58:27,203 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d80b4dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:58:27, skipping insertion in model container [2018-11-23 12:58:27,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:58:27" (3/3) ... [2018-11-23 12:58:27,204 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem15_label59_true-unreach-call.c [2018-11-23 12:58:27,210 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 12:58:27,215 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 12:58:27,225 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 12:58:27,247 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 12:58:27,248 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 12:58:27,248 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 12:58:27,248 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 12:58:27,248 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 12:58:27,248 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 12:58:27,248 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 12:58:27,248 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 12:58:27,266 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states. [2018-11-23 12:58:27,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-23 12:58:27,272 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:58:27,272 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:58:27,274 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:58:27,278 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:58:27,278 INFO L82 PathProgramCache]: Analyzing trace with hash -1109513128, now seen corresponding path program 1 times [2018-11-23 12:58:27,279 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:58:27,309 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:58:27,309 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:58:27,309 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:58:27,310 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:58:27,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:58:27,494 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 12:58:27,495 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:58:27,496 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 12:58:27,496 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:58:27,499 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 12:58:27,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 12:58:27,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 12:58:27,509 INFO L87 Difference]: Start difference. First operand 437 states. Second operand 4 states. [2018-11-23 12:58:29,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:58:29,631 INFO L93 Difference]: Finished difference Result 1554 states and 2845 transitions. [2018-11-23 12:58:29,631 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 12:58:29,632 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 60 [2018-11-23 12:58:29,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:58:29,648 INFO L225 Difference]: With dead ends: 1554 [2018-11-23 12:58:29,649 INFO L226 Difference]: Without dead ends: 1111 [2018-11-23 12:58:29,654 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 12:58:29,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1111 states. [2018-11-23 12:58:29,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1111 to 757. [2018-11-23 12:58:29,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 757 states. [2018-11-23 12:58:29,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 757 states and 1353 transitions. [2018-11-23 12:58:29,718 INFO L78 Accepts]: Start accepts. Automaton has 757 states and 1353 transitions. Word has length 60 [2018-11-23 12:58:29,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:58:29,718 INFO L480 AbstractCegarLoop]: Abstraction has 757 states and 1353 transitions. [2018-11-23 12:58:29,718 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 12:58:29,719 INFO L276 IsEmpty]: Start isEmpty. Operand 757 states and 1353 transitions. [2018-11-23 12:58:29,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-11-23 12:58:29,723 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:58:29,723 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 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 12:58:29,723 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:58:29,723 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:58:29,723 INFO L82 PathProgramCache]: Analyzing trace with hash -933858500, now seen corresponding path program 1 times [2018-11-23 12:58:29,724 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:58:29,724 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:58:29,724 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:58:29,725 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:58:29,725 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:58:29,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:58:29,857 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:58:29,858 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:58:29,858 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 12:58:29,858 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:58:29,859 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 12:58:29,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 12:58:29,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 12:58:29,860 INFO L87 Difference]: Start difference. First operand 757 states and 1353 transitions. Second operand 5 states. [2018-11-23 12:58:33,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:58:33,951 INFO L93 Difference]: Finished difference Result 2501 states and 4572 transitions. [2018-11-23 12:58:33,951 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 12:58:33,952 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 129 [2018-11-23 12:58:33,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:58:33,959 INFO L225 Difference]: With dead ends: 2501 [2018-11-23 12:58:33,959 INFO L226 Difference]: Without dead ends: 1750 [2018-11-23 12:58:33,962 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-23 12:58:33,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1750 states. [2018-11-23 12:58:34,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1750 to 1730. [2018-11-23 12:58:34,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1730 states. [2018-11-23 12:58:34,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1730 states to 1730 states and 3004 transitions. [2018-11-23 12:58:34,009 INFO L78 Accepts]: Start accepts. Automaton has 1730 states and 3004 transitions. Word has length 129 [2018-11-23 12:58:34,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:58:34,009 INFO L480 AbstractCegarLoop]: Abstraction has 1730 states and 3004 transitions. [2018-11-23 12:58:34,009 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 12:58:34,009 INFO L276 IsEmpty]: Start isEmpty. Operand 1730 states and 3004 transitions. [2018-11-23 12:58:34,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-11-23 12:58:34,011 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:58:34,012 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 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 12:58:34,012 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:58:34,012 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:58:34,012 INFO L82 PathProgramCache]: Analyzing trace with hash -767759721, now seen corresponding path program 1 times [2018-11-23 12:58:34,012 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:58:34,014 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:58:34,014 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:58:34,014 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:58:34,015 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:58:34,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:58:34,120 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:58:34,121 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:58:34,121 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 12:58:34,121 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:58:34,121 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 12:58:34,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 12:58:34,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-23 12:58:34,122 INFO L87 Difference]: Start difference. First operand 1730 states and 3004 transitions. Second operand 6 states. [2018-11-23 12:58:37,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:58:37,617 INFO L93 Difference]: Finished difference Result 5391 states and 9996 transitions. [2018-11-23 12:58:37,618 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-23 12:58:37,618 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 130 [2018-11-23 12:58:37,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:58:37,641 INFO L225 Difference]: With dead ends: 5391 [2018-11-23 12:58:37,641 INFO L226 Difference]: Without dead ends: 3667 [2018-11-23 12:58:37,657 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-11-23 12:58:37,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3667 states. [2018-11-23 12:58:37,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3667 to 3584. [2018-11-23 12:58:37,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3584 states. [2018-11-23 12:58:37,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3584 states to 3584 states and 5510 transitions. [2018-11-23 12:58:37,756 INFO L78 Accepts]: Start accepts. Automaton has 3584 states and 5510 transitions. Word has length 130 [2018-11-23 12:58:37,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:58:37,757 INFO L480 AbstractCegarLoop]: Abstraction has 3584 states and 5510 transitions. [2018-11-23 12:58:37,757 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 12:58:37,757 INFO L276 IsEmpty]: Start isEmpty. Operand 3584 states and 5510 transitions. [2018-11-23 12:58:37,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-23 12:58:37,759 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:58:37,759 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 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 12:58:37,759 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:58:37,759 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:58:37,760 INFO L82 PathProgramCache]: Analyzing trace with hash -959555057, now seen corresponding path program 1 times [2018-11-23 12:58:37,760 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:58:37,760 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:58:37,760 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:58:37,762 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:58:37,762 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:58:37,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:58:37,862 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:58:37,862 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:58:37,862 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 12:58:37,862 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:58:37,863 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 12:58:37,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 12:58:37,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 12:58:37,863 INFO L87 Difference]: Start difference. First operand 3584 states and 5510 transitions. Second operand 6 states. [2018-11-23 12:58:40,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:58:40,361 INFO L93 Difference]: Finished difference Result 10258 states and 17017 transitions. [2018-11-23 12:58:40,361 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 12:58:40,361 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 134 [2018-11-23 12:58:40,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:58:40,392 INFO L225 Difference]: With dead ends: 10258 [2018-11-23 12:58:40,393 INFO L226 Difference]: Without dead ends: 6988 [2018-11-23 12:58:40,412 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-23 12:58:40,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6988 states. [2018-11-23 12:58:40,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6988 to 6936. [2018-11-23 12:58:40,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6936 states. [2018-11-23 12:58:40,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6936 states to 6936 states and 10114 transitions. [2018-11-23 12:58:40,569 INFO L78 Accepts]: Start accepts. Automaton has 6936 states and 10114 transitions. Word has length 134 [2018-11-23 12:58:40,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:58:40,569 INFO L480 AbstractCegarLoop]: Abstraction has 6936 states and 10114 transitions. [2018-11-23 12:58:40,569 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 12:58:40,569 INFO L276 IsEmpty]: Start isEmpty. Operand 6936 states and 10114 transitions. [2018-11-23 12:58:40,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-23 12:58:40,572 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:58:40,572 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:58:40,572 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:58:40,572 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:58:40,572 INFO L82 PathProgramCache]: Analyzing trace with hash -351296262, now seen corresponding path program 1 times [2018-11-23 12:58:40,572 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:58:40,574 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:58:40,574 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:58:40,574 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:58:40,574 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:58:40,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:58:40,698 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:58:40,699 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:58:40,699 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 12:58:40,700 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 156 with the following transitions: [2018-11-23 12:58:40,701 INFO L202 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [691], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-11-23 12:58:40,736 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 12:58:40,736 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 12:58:41,313 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 12:58:41,314 INFO L272 AbstractInterpreter]: Visited 103 different actions 295 times. Merged at 4 different actions 7 times. Never widened. Performed 3088 root evaluator evaluations with a maximum evaluation depth of 10. Performed 3088 inverse root evaluator evaluations with a maximum inverse evaluation depth of 10. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-23 12:58:41,320 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:58:41,321 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 12:58:41,321 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:58:41,321 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a8503da8-a86b-4772-ba50-154009ebaee9/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 12:58:41,332 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:58:41,332 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 12:58:41,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:58:41,384 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:58:44,168 WARN L180 SmtUtils]: Spent 996.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2018-11-23 12:58:45,530 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 3 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:58:45,530 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 12:58:45,586 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:58:45,601 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-23 12:58:45,601 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 6] total 11 [2018-11-23 12:58:45,601 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:58:45,602 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 12:58:45,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 12:58:45,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=78, Unknown=2, NotChecked=0, Total=110 [2018-11-23 12:58:45,602 INFO L87 Difference]: Start difference. First operand 6936 states and 10114 transitions. Second operand 3 states. [2018-11-23 12:58:47,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:58:47,291 INFO L93 Difference]: Finished difference Result 14809 states and 22655 transitions. [2018-11-23 12:58:47,291 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 12:58:47,291 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 155 [2018-11-23 12:58:47,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:58:47,316 INFO L225 Difference]: With dead ends: 14809 [2018-11-23 12:58:47,316 INFO L226 Difference]: Without dead ends: 8187 [2018-11-23 12:58:47,338 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 306 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=30, Invalid=78, Unknown=2, NotChecked=0, Total=110 [2018-11-23 12:58:47,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8187 states. [2018-11-23 12:58:47,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8187 to 8178. [2018-11-23 12:58:47,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8178 states. [2018-11-23 12:58:47,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8178 states to 8178 states and 12329 transitions. [2018-11-23 12:58:47,472 INFO L78 Accepts]: Start accepts. Automaton has 8178 states and 12329 transitions. Word has length 155 [2018-11-23 12:58:47,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:58:47,472 INFO L480 AbstractCegarLoop]: Abstraction has 8178 states and 12329 transitions. [2018-11-23 12:58:47,472 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 12:58:47,473 INFO L276 IsEmpty]: Start isEmpty. Operand 8178 states and 12329 transitions. [2018-11-23 12:58:47,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-11-23 12:58:47,482 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:58:47,482 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:58:47,482 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:58:47,483 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:58:47,483 INFO L82 PathProgramCache]: Analyzing trace with hash -663015250, now seen corresponding path program 1 times [2018-11-23 12:58:47,483 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:58:47,484 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:58:47,484 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:58:47,484 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:58:47,484 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:58:47,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:58:47,734 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:58:47,734 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:58:47,735 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 12:58:47,735 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:58:47,735 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 12:58:47,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 12:58:47,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-23 12:58:47,736 INFO L87 Difference]: Start difference. First operand 8178 states and 12329 transitions. Second operand 6 states. [2018-11-23 12:58:53,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:58:53,171 INFO L93 Difference]: Finished difference Result 16745 states and 26317 transitions. [2018-11-23 12:58:53,176 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 12:58:53,177 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 227 [2018-11-23 12:58:53,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:58:53,210 INFO L225 Difference]: With dead ends: 16745 [2018-11-23 12:58:53,210 INFO L226 Difference]: Without dead ends: 8881 [2018-11-23 12:58:53,234 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2018-11-23 12:58:53,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8881 states. [2018-11-23 12:58:53,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8881 to 8727. [2018-11-23 12:58:53,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8727 states. [2018-11-23 12:58:53,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8727 states to 8727 states and 13164 transitions. [2018-11-23 12:58:53,427 INFO L78 Accepts]: Start accepts. Automaton has 8727 states and 13164 transitions. Word has length 227 [2018-11-23 12:58:53,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:58:53,428 INFO L480 AbstractCegarLoop]: Abstraction has 8727 states and 13164 transitions. [2018-11-23 12:58:53,428 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 12:58:53,428 INFO L276 IsEmpty]: Start isEmpty. Operand 8727 states and 13164 transitions. [2018-11-23 12:58:53,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-11-23 12:58:53,438 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:58:53,439 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:58:53,439 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:58:53,439 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:58:53,439 INFO L82 PathProgramCache]: Analyzing trace with hash -1054274955, now seen corresponding path program 1 times [2018-11-23 12:58:53,439 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:58:53,440 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:58:53,440 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:58:53,440 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:58:53,440 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:58:53,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:58:53,599 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 106 proven. 80 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 12:58:53,599 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:58:53,599 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 12:58:53,600 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 263 with the following transitions: [2018-11-23 12:58:53,600 INFO L202 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [633], [638], [640], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [782], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-11-23 12:58:53,603 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 12:58:53,603 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 12:58:53,712 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 12:58:53,712 INFO L272 AbstractInterpreter]: Visited 121 different actions 121 times. Never merged. Never widened. Performed 1233 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1233 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 24 variables. [2018-11-23 12:58:53,717 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:58:53,717 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 12:58:54,042 INFO L227 lantSequenceWeakener]: Weakened 251 states. On average, predicates are now at 78.04% of their original sizes. [2018-11-23 12:58:54,042 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 12:58:54,084 INFO L415 sIntCurrentIteration]: We unified 261 AI predicates to 261 [2018-11-23 12:58:54,084 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 12:58:54,085 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 12:58:54,085 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-11-23 12:58:54,085 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:58:54,086 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 12:58:54,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 12:58:54,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 12:58:54,086 INFO L87 Difference]: Start difference. First operand 8727 states and 13164 transitions. Second operand 6 states. [2018-11-23 12:59:08,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:59:08,327 INFO L93 Difference]: Finished difference Result 17141 states and 25991 transitions. [2018-11-23 12:59:08,328 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 12:59:08,328 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 262 [2018-11-23 12:59:08,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:59:08,356 INFO L225 Difference]: With dead ends: 17141 [2018-11-23 12:59:08,356 INFO L226 Difference]: Without dead ends: 8727 [2018-11-23 12:59:08,376 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 262 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-23 12:59:08,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8727 states. [2018-11-23 12:59:08,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8727 to 8724. [2018-11-23 12:59:08,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8724 states. [2018-11-23 12:59:08,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8724 states to 8724 states and 13132 transitions. [2018-11-23 12:59:08,521 INFO L78 Accepts]: Start accepts. Automaton has 8724 states and 13132 transitions. Word has length 262 [2018-11-23 12:59:08,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:59:08,522 INFO L480 AbstractCegarLoop]: Abstraction has 8724 states and 13132 transitions. [2018-11-23 12:59:08,522 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 12:59:08,522 INFO L276 IsEmpty]: Start isEmpty. Operand 8724 states and 13132 transitions. [2018-11-23 12:59:08,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-11-23 12:59:08,531 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:59:08,531 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:59:08,531 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:59:08,531 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:59:08,532 INFO L82 PathProgramCache]: Analyzing trace with hash -1390898442, now seen corresponding path program 1 times [2018-11-23 12:59:08,532 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:59:08,532 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:59:08,532 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:59:08,532 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:59:08,533 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:59:08,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:59:08,741 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 107 proven. 89 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-23 12:59:08,741 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:59:08,741 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 12:59:08,741 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 272 with the following transitions: [2018-11-23 12:59:08,742 INFO L202 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [691], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [782], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-11-23 12:59:08,744 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 12:59:08,745 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 12:59:08,909 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 12:59:08,909 INFO L272 AbstractInterpreter]: Visited 125 different actions 361 times. Merged at 4 different actions 7 times. Never widened. Performed 4062 root evaluator evaluations with a maximum evaluation depth of 10. Performed 4062 inverse root evaluator evaluations with a maximum inverse evaluation depth of 10. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-23 12:59:08,917 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:59:08,917 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 12:59:08,917 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:59:08,917 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a8503da8-a86b-4772-ba50-154009ebaee9/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 12:59:08,923 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:59:08,923 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 12:59:08,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:59:08,975 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:59:09,045 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 107 proven. 2 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-23 12:59:09,045 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 12:59:09,223 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-23 12:59:09,237 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-23 12:59:09,238 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 5] total 9 [2018-11-23 12:59:09,238 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:59:09,238 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 12:59:09,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 12:59:09,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-11-23 12:59:09,239 INFO L87 Difference]: Start difference. First operand 8724 states and 13132 transitions. Second operand 5 states. [2018-11-23 12:59:11,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:59:11,170 INFO L93 Difference]: Finished difference Result 18672 states and 29170 transitions. [2018-11-23 12:59:11,170 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 12:59:11,170 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 271 [2018-11-23 12:59:11,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:59:11,180 INFO L225 Difference]: With dead ends: 18672 [2018-11-23 12:59:11,180 INFO L226 Difference]: Without dead ends: 4832 [2018-11-23 12:59:11,212 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 551 GetRequests, 540 SyntacticMatches, 3 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2018-11-23 12:59:11,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4832 states. [2018-11-23 12:59:11,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4832 to 4472. [2018-11-23 12:59:11,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4472 states. [2018-11-23 12:59:11,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4472 states to 4472 states and 5309 transitions. [2018-11-23 12:59:11,280 INFO L78 Accepts]: Start accepts. Automaton has 4472 states and 5309 transitions. Word has length 271 [2018-11-23 12:59:11,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:59:11,281 INFO L480 AbstractCegarLoop]: Abstraction has 4472 states and 5309 transitions. [2018-11-23 12:59:11,281 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 12:59:11,281 INFO L276 IsEmpty]: Start isEmpty. Operand 4472 states and 5309 transitions. [2018-11-23 12:59:11,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2018-11-23 12:59:11,284 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:59:11,285 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:59:11,285 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:59:11,285 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:59:11,285 INFO L82 PathProgramCache]: Analyzing trace with hash -166189619, now seen corresponding path program 1 times [2018-11-23 12:59:11,285 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:59:11,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:59:11,286 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:59:11,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:59:11,286 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:59:11,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:59:11,552 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:59:11,552 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:59:11,552 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 12:59:11,552 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 298 with the following transitions: [2018-11-23 12:59:11,552 INFO L202 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1378], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-11-23 12:59:11,556 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 12:59:11,556 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 12:59:11,870 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 12:59:11,870 INFO L272 AbstractInterpreter]: Visited 245 different actions 721 times. Merged at 4 different actions 7 times. Never widened. Performed 9581 root evaluator evaluations with a maximum evaluation depth of 10. Performed 9581 inverse root evaluator evaluations with a maximum inverse evaluation depth of 10. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-23 12:59:11,873 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:59:11,873 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 12:59:11,873 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:59:11,873 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a8503da8-a86b-4772-ba50-154009ebaee9/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 12:59:11,879 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:59:11,879 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 12:59:11,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:59:11,920 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:59:13,980 WARN L180 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 38 [2018-11-23 12:59:14,038 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 3 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:59:14,038 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 12:59:14,821 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:59:14,835 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-23 12:59:14,835 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [7, 6] total 13 [2018-11-23 12:59:14,835 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:59:14,836 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 12:59:14,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 12:59:14,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-11-23 12:59:14,836 INFO L87 Difference]: Start difference. First operand 4472 states and 5309 transitions. Second operand 6 states. [2018-11-23 12:59:17,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:59:17,139 INFO L93 Difference]: Finished difference Result 11745 states and 14021 transitions. [2018-11-23 12:59:17,140 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 12:59:17,140 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 297 [2018-11-23 12:59:17,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:59:17,151 INFO L225 Difference]: With dead ends: 11745 [2018-11-23 12:59:17,151 INFO L226 Difference]: Without dead ends: 7273 [2018-11-23 12:59:17,155 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 602 GetRequests, 589 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-11-23 12:59:17,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7273 states. [2018-11-23 12:59:17,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7273 to 6954. [2018-11-23 12:59:17,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6954 states. [2018-11-23 12:59:17,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6954 states to 6954 states and 8175 transitions. [2018-11-23 12:59:17,220 INFO L78 Accepts]: Start accepts. Automaton has 6954 states and 8175 transitions. Word has length 297 [2018-11-23 12:59:17,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:59:17,220 INFO L480 AbstractCegarLoop]: Abstraction has 6954 states and 8175 transitions. [2018-11-23 12:59:17,220 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 12:59:17,220 INFO L276 IsEmpty]: Start isEmpty. Operand 6954 states and 8175 transitions. [2018-11-23 12:59:17,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2018-11-23 12:59:17,223 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:59:17,223 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:59:17,223 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:59:17,223 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:59:17,224 INFO L82 PathProgramCache]: Analyzing trace with hash -1203160277, now seen corresponding path program 1 times [2018-11-23 12:59:17,224 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:59:17,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:59:17,224 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:59:17,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:59:17,225 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:59:17,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:59:17,442 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 48 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:59:17,442 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:59:17,442 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 12:59:17,443 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 335 with the following transitions: [2018-11-23 12:59:17,443 INFO L202 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-11-23 12:59:17,448 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 12:59:17,448 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 12:59:17,809 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 12:59:17,809 INFO L272 AbstractInterpreter]: Visited 282 different actions 832 times. Merged at 4 different actions 7 times. Never widened. Performed 11063 root evaluator evaluations with a maximum evaluation depth of 9. Performed 11063 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-23 12:59:17,813 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:59:17,813 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 12:59:17,813 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:59:17,813 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a8503da8-a86b-4772-ba50-154009ebaee9/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 12:59:17,820 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:59:17,820 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 12:59:17,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:59:17,868 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:59:17,947 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:59:17,947 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 12:59:18,027 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:59:18,042 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-23 12:59:18,042 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [7] total 8 [2018-11-23 12:59:18,043 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:59:18,043 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 12:59:18,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 12:59:18,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-11-23 12:59:18,043 INFO L87 Difference]: Start difference. First operand 6954 states and 8175 transitions. Second operand 3 states. [2018-11-23 12:59:18,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:59:18,684 INFO L93 Difference]: Finished difference Result 15757 states and 18810 transitions. [2018-11-23 12:59:18,684 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 12:59:18,684 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 334 [2018-11-23 12:59:18,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:59:18,700 INFO L225 Difference]: With dead ends: 15757 [2018-11-23 12:59:18,700 INFO L226 Difference]: Without dead ends: 9116 [2018-11-23 12:59:18,708 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 677 GetRequests, 667 SyntacticMatches, 4 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-11-23 12:59:18,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9116 states. [2018-11-23 12:59:18,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9116 to 9113. [2018-11-23 12:59:18,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9113 states. [2018-11-23 12:59:18,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9113 states to 9113 states and 10694 transitions. [2018-11-23 12:59:18,829 INFO L78 Accepts]: Start accepts. Automaton has 9113 states and 10694 transitions. Word has length 334 [2018-11-23 12:59:18,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:59:18,829 INFO L480 AbstractCegarLoop]: Abstraction has 9113 states and 10694 transitions. [2018-11-23 12:59:18,829 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 12:59:18,829 INFO L276 IsEmpty]: Start isEmpty. Operand 9113 states and 10694 transitions. [2018-11-23 12:59:18,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 598 [2018-11-23 12:59:18,844 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:59:18,845 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:59:18,845 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:59:18,845 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:59:18,845 INFO L82 PathProgramCache]: Analyzing trace with hash -771275642, now seen corresponding path program 1 times [2018-11-23 12:59:18,845 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:59:18,846 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:59:18,846 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:59:18,846 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:59:18,846 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:59:18,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:59:19,221 INFO L134 CoverageAnalysis]: Checked inductivity of 706 backedges. 317 proven. 160 refuted. 0 times theorem prover too weak. 229 trivial. 0 not checked. [2018-11-23 12:59:19,221 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:59:19,221 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 12:59:19,221 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 598 with the following transitions: [2018-11-23 12:59:19,222 INFO L202 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [574], [577], [581], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [675], [676], [680], [684], [688], [692], [696], [707], [711], [714], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-11-23 12:59:19,225 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 12:59:19,225 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 12:59:20,115 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 12:59:20,115 INFO L272 AbstractInterpreter]: Visited 287 different actions 1137 times. Merged at 8 different actions 26 times. Never widened. Performed 15814 root evaluator evaluations with a maximum evaluation depth of 18. Performed 15814 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 8 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-23 12:59:20,125 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:59:20,125 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 12:59:20,125 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:59:20,125 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a8503da8-a86b-4772-ba50-154009ebaee9/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 12:59:20,130 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:59:20,131 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 12:59:20,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:59:20,208 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:59:20,302 INFO L134 CoverageAnalysis]: Checked inductivity of 706 backedges. 415 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2018-11-23 12:59:20,302 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 12:59:20,407 INFO L134 CoverageAnalysis]: Checked inductivity of 706 backedges. 226 proven. 2 refuted. 0 times theorem prover too weak. 478 trivial. 0 not checked. [2018-11-23 12:59:20,422 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-23 12:59:20,422 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [6, 3] total 8 [2018-11-23 12:59:20,422 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:59:20,423 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 12:59:20,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 12:59:20,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-11-23 12:59:20,423 INFO L87 Difference]: Start difference. First operand 9113 states and 10694 transitions. Second operand 3 states. [2018-11-23 12:59:21,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:59:21,174 INFO L93 Difference]: Finished difference Result 18829 states and 22391 transitions. [2018-11-23 12:59:21,175 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 12:59:21,175 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 597 [2018-11-23 12:59:21,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:59:21,186 INFO L225 Difference]: With dead ends: 18829 [2018-11-23 12:59:21,186 INFO L226 Difference]: Without dead ends: 10029 [2018-11-23 12:59:21,193 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1199 GetRequests, 1193 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-11-23 12:59:21,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10029 states. [2018-11-23 12:59:21,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10029 to 9415. [2018-11-23 12:59:21,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9415 states. [2018-11-23 12:59:21,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9415 states to 9415 states and 10996 transitions. [2018-11-23 12:59:21,313 INFO L78 Accepts]: Start accepts. Automaton has 9415 states and 10996 transitions. Word has length 597 [2018-11-23 12:59:21,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:59:21,314 INFO L480 AbstractCegarLoop]: Abstraction has 9415 states and 10996 transitions. [2018-11-23 12:59:21,314 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 12:59:21,314 INFO L276 IsEmpty]: Start isEmpty. Operand 9415 states and 10996 transitions. [2018-11-23 12:59:21,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 620 [2018-11-23 12:59:21,323 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:59:21,323 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:59:21,323 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:59:21,324 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:59:21,324 INFO L82 PathProgramCache]: Analyzing trace with hash -1820467248, now seen corresponding path program 1 times [2018-11-23 12:59:21,324 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:59:21,324 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:59:21,325 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:59:21,325 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:59:21,325 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:59:21,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:59:21,769 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 378 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:59:21,769 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:59:21,769 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 12:59:21,770 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 620 with the following transitions: [2018-11-23 12:59:21,770 INFO L202 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1562], [1566], [1570], [1581], [1585], [1589], [1593], [1597], [1601], [1612], [1616], [1619], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-11-23 12:59:21,774 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 12:59:21,774 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 12:59:22,312 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 12:59:22,312 INFO L272 AbstractInterpreter]: Visited 294 different actions 1163 times. Merged at 6 different actions 18 times. Never widened. Performed 15832 root evaluator evaluations with a maximum evaluation depth of 10. Performed 15832 inverse root evaluator evaluations with a maximum inverse evaluation depth of 10. Found 4 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-23 12:59:22,317 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:59:22,317 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 12:59:22,317 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:59:22,317 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a8503da8-a86b-4772-ba50-154009ebaee9/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 12:59:22,323 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:59:22,323 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 12:59:22,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:59:22,414 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:59:22,549 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 378 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:59:22,549 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 12:59:22,812 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 378 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:59:22,827 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 12:59:22,827 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-23 12:59:22,827 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 12:59:22,828 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 12:59:22,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 12:59:22,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-11-23 12:59:22,828 INFO L87 Difference]: Start difference. First operand 9415 states and 10996 transitions. Second operand 9 states. [2018-11-23 12:59:24,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:59:24,873 INFO L93 Difference]: Finished difference Result 22547 states and 28377 transitions. [2018-11-23 12:59:24,874 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-23 12:59:24,874 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 619 [2018-11-23 12:59:24,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:59:24,897 INFO L225 Difference]: With dead ends: 22547 [2018-11-23 12:59:24,897 INFO L226 Difference]: Without dead ends: 13445 [2018-11-23 12:59:24,907 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1258 GetRequests, 1239 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=128, Invalid=252, Unknown=0, NotChecked=0, Total=380 [2018-11-23 12:59:24,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13445 states. [2018-11-23 12:59:25,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13445 to 13405. [2018-11-23 12:59:25,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13405 states. [2018-11-23 12:59:25,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13405 states to 13405 states and 16279 transitions. [2018-11-23 12:59:25,061 INFO L78 Accepts]: Start accepts. Automaton has 13405 states and 16279 transitions. Word has length 619 [2018-11-23 12:59:25,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:59:25,062 INFO L480 AbstractCegarLoop]: Abstraction has 13405 states and 16279 transitions. [2018-11-23 12:59:25,062 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 12:59:25,062 INFO L276 IsEmpty]: Start isEmpty. Operand 13405 states and 16279 transitions. [2018-11-23 12:59:25,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 679 [2018-11-23 12:59:25,073 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:59:25,073 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:59:25,073 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:59:25,074 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:59:25,074 INFO L82 PathProgramCache]: Analyzing trace with hash -134222251, now seen corresponding path program 1 times [2018-11-23 12:59:25,074 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:59:25,074 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:59:25,074 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:59:25,075 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:59:25,075 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:59:25,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:59:25,372 INFO L134 CoverageAnalysis]: Checked inductivity of 847 backedges. 472 proven. 91 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2018-11-23 12:59:25,372 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:59:25,372 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 12:59:25,373 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 679 with the following transitions: [2018-11-23 12:59:25,373 INFO L202 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [675], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [762], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [927], [930], [934], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-11-23 12:59:25,376 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 12:59:25,376 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 12:59:28,981 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 12:59:28,982 INFO L272 AbstractInterpreter]: Visited 287 different actions 1136 times. Merged at 8 different actions 25 times. Never widened. Performed 15817 root evaluator evaluations with a maximum evaluation depth of 20. Performed 15817 inverse root evaluator evaluations with a maximum inverse evaluation depth of 20. Found 8 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-23 12:59:28,989 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:59:28,989 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 12:59:28,989 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:59:28,990 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a8503da8-a86b-4772-ba50-154009ebaee9/bin-2019/utaipan/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 12:59:29,003 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:59:29,003 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 12:59:29,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:59:29,116 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:59:29,235 INFO L134 CoverageAnalysis]: Checked inductivity of 847 backedges. 435 proven. 0 refuted. 0 times theorem prover too weak. 412 trivial. 0 not checked. [2018-11-23 12:59:29,235 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 12:59:29,436 INFO L134 CoverageAnalysis]: Checked inductivity of 847 backedges. 226 proven. 2 refuted. 0 times theorem prover too weak. 619 trivial. 0 not checked. [2018-11-23 12:59:29,451 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-23 12:59:29,451 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [6, 3] total 7 [2018-11-23 12:59:29,451 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:59:29,452 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 12:59:29,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 12:59:29,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-11-23 12:59:29,452 INFO L87 Difference]: Start difference. First operand 13405 states and 16279 transitions. Second operand 3 states. [2018-11-23 12:59:30,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:59:30,272 INFO L93 Difference]: Finished difference Result 28374 states and 34851 transitions. [2018-11-23 12:59:30,272 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 12:59:30,272 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 678 [2018-11-23 12:59:30,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:59:30,298 INFO L225 Difference]: With dead ends: 28374 [2018-11-23 12:59:30,298 INFO L226 Difference]: Without dead ends: 15282 [2018-11-23 12:59:30,314 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1361 GetRequests, 1356 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-11-23 12:59:30,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15282 states. [2018-11-23 12:59:30,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15282 to 13093. [2018-11-23 12:59:30,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13093 states. [2018-11-23 12:59:30,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13093 states to 13093 states and 15877 transitions. [2018-11-23 12:59:30,479 INFO L78 Accepts]: Start accepts. Automaton has 13093 states and 15877 transitions. Word has length 678 [2018-11-23 12:59:30,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:59:30,480 INFO L480 AbstractCegarLoop]: Abstraction has 13093 states and 15877 transitions. [2018-11-23 12:59:30,480 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 12:59:30,480 INFO L276 IsEmpty]: Start isEmpty. Operand 13093 states and 15877 transitions. [2018-11-23 12:59:30,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 755 [2018-11-23 12:59:30,496 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:59:30,496 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:59:30,496 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:59:30,496 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:59:30,497 INFO L82 PathProgramCache]: Analyzing trace with hash 1992018284, now seen corresponding path program 1 times [2018-11-23 12:59:30,497 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:59:30,497 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:59:30,497 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:59:30,497 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:59:30,497 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:59:30,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:59:30,864 INFO L134 CoverageAnalysis]: Checked inductivity of 959 backedges. 530 proven. 109 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2018-11-23 12:59:30,864 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:59:30,864 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 12:59:30,864 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 755 with the following transitions: [2018-11-23 12:59:30,865 INFO L202 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [754], [755], [759], [762], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1194], [1197], [1201], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-11-23 12:59:30,868 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 12:59:30,868 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 12:59:34,505 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 12:59:34,505 INFO L272 AbstractInterpreter]: Visited 287 different actions 1135 times. Merged at 8 different actions 24 times. Never widened. Performed 15826 root evaluator evaluations with a maximum evaluation depth of 20. Performed 15826 inverse root evaluator evaluations with a maximum inverse evaluation depth of 20. Found 8 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-23 12:59:34,507 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:59:34,507 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 12:59:34,507 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:59:34,507 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a8503da8-a86b-4772-ba50-154009ebaee9/bin-2019/utaipan/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 12:59:34,518 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:59:34,518 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 12:59:34,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:59:34,613 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:59:34,779 INFO L134 CoverageAnalysis]: Checked inductivity of 959 backedges. 795 proven. 2 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2018-11-23 12:59:34,779 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 12:59:35,034 INFO L134 CoverageAnalysis]: Checked inductivity of 959 backedges. 530 proven. 109 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2018-11-23 12:59:35,048 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 12:59:35,049 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-23 12:59:35,049 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 12:59:35,050 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 12:59:35,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 12:59:35,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-11-23 12:59:35,050 INFO L87 Difference]: Start difference. First operand 13093 states and 15877 transitions. Second operand 9 states. [2018-11-23 12:59:37,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:59:37,113 INFO L93 Difference]: Finished difference Result 27578 states and 35508 transitions. [2018-11-23 12:59:37,113 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-23 12:59:37,113 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 754 [2018-11-23 12:59:37,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:59:37,145 INFO L225 Difference]: With dead ends: 27578 [2018-11-23 12:59:37,145 INFO L226 Difference]: Without dead ends: 14798 [2018-11-23 12:59:37,163 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1537 GetRequests, 1515 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=145, Invalid=317, Unknown=0, NotChecked=0, Total=462 [2018-11-23 12:59:37,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14798 states. [2018-11-23 12:59:37,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14798 to 14419. [2018-11-23 12:59:37,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14419 states. [2018-11-23 12:59:37,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14419 states to 14419 states and 17663 transitions. [2018-11-23 12:59:37,422 INFO L78 Accepts]: Start accepts. Automaton has 14419 states and 17663 transitions. Word has length 754 [2018-11-23 12:59:37,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:59:37,423 INFO L480 AbstractCegarLoop]: Abstraction has 14419 states and 17663 transitions. [2018-11-23 12:59:37,423 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 12:59:37,423 INFO L276 IsEmpty]: Start isEmpty. Operand 14419 states and 17663 transitions. [2018-11-23 12:59:37,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 813 [2018-11-23 12:59:37,435 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:59:37,435 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 12:59:37,435 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:59:37,436 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:59:37,436 INFO L82 PathProgramCache]: Analyzing trace with hash -1522929893, now seen corresponding path program 1 times [2018-11-23 12:59:37,436 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:59:37,436 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:59:37,436 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:59:37,437 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:59:37,437 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:59:37,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:59:38,037 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 627 proven. 2 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2018-11-23 12:59:38,038 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:59:38,038 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 12:59:38,038 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 813 with the following transitions: [2018-11-23 12:59:38,038 INFO L202 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1167], [1168], [1172], [1176], [1180], [1191], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1562], [1566], [1570], [1581], [1585], [1589], [1593], [1597], [1601], [1612], [1616], [1619], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-11-23 12:59:38,041 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 12:59:38,041 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 12:59:38,474 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 12:59:38,474 INFO L272 AbstractInterpreter]: Visited 295 different actions 1173 times. Merged at 7 different actions 24 times. Never widened. Performed 15946 root evaluator evaluations with a maximum evaluation depth of 10. Performed 15946 inverse root evaluator evaluations with a maximum inverse evaluation depth of 10. Found 7 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-23 12:59:38,477 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:59:38,477 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 12:59:38,477 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:59:38,477 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a8503da8-a86b-4772-ba50-154009ebaee9/bin-2019/utaipan/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 12:59:38,484 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:59:38,484 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 12:59:38,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:59:38,600 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:59:38,849 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 627 proven. 2 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2018-11-23 12:59:38,849 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 12:59:39,167 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 627 proven. 2 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2018-11-23 12:59:39,182 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 12:59:39,183 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-23 12:59:39,183 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 12:59:39,183 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 12:59:39,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 12:59:39,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-11-23 12:59:39,184 INFO L87 Difference]: Start difference. First operand 14419 states and 17663 transitions. Second operand 9 states. [2018-11-23 12:59:40,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:59:40,847 INFO L93 Difference]: Finished difference Result 28552 states and 34104 transitions. [2018-11-23 12:59:40,847 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-23 12:59:40,847 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 812 [2018-11-23 12:59:40,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:59:40,876 INFO L225 Difference]: With dead ends: 28552 [2018-11-23 12:59:40,877 INFO L226 Difference]: Without dead ends: 14446 [2018-11-23 12:59:40,900 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1643 GetRequests, 1626 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2018-11-23 12:59:40,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14446 states. [2018-11-23 12:59:41,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14446 to 13437. [2018-11-23 12:59:41,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13437 states. [2018-11-23 12:59:41,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13437 states to 13437 states and 14958 transitions. [2018-11-23 12:59:41,095 INFO L78 Accepts]: Start accepts. Automaton has 13437 states and 14958 transitions. Word has length 812 [2018-11-23 12:59:41,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:59:41,096 INFO L480 AbstractCegarLoop]: Abstraction has 13437 states and 14958 transitions. [2018-11-23 12:59:41,096 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 12:59:41,096 INFO L276 IsEmpty]: Start isEmpty. Operand 13437 states and 14958 transitions. [2018-11-23 12:59:41,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 846 [2018-11-23 12:59:41,108 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:59:41,109 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:59:41,109 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:59:41,109 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:59:41,109 INFO L82 PathProgramCache]: Analyzing trace with hash 1698336555, now seen corresponding path program 1 times [2018-11-23 12:59:41,109 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:59:41,110 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:59:41,110 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:59:41,110 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:59:41,110 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:59:41,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:59:41,733 INFO L134 CoverageAnalysis]: Checked inductivity of 1368 backedges. 688 proven. 2 refuted. 0 times theorem prover too weak. 678 trivial. 0 not checked. [2018-11-23 12:59:41,733 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:59:41,733 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 12:59:41,734 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 846 with the following transitions: [2018-11-23 12:59:41,734 INFO L202 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [660], [663], [667], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [754], [755], [759], [762], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1194], [1197], [1201], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-11-23 12:59:41,737 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 12:59:41,737 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 12:59:45,233 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 12:59:45,233 INFO L272 AbstractInterpreter]: Visited 290 different actions 1142 times. Merged at 9 different actions 25 times. Never widened. Performed 15855 root evaluator evaluations with a maximum evaluation depth of 20. Performed 15855 inverse root evaluator evaluations with a maximum inverse evaluation depth of 20. Found 9 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-23 12:59:45,237 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:59:45,237 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 12:59:45,237 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:59:45,237 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a8503da8-a86b-4772-ba50-154009ebaee9/bin-2019/utaipan/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 12:59:45,244 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:59:45,244 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 12:59:45,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:59:45,353 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:59:45,709 INFO L134 CoverageAnalysis]: Checked inductivity of 1368 backedges. 688 proven. 2 refuted. 0 times theorem prover too weak. 678 trivial. 0 not checked. [2018-11-23 12:59:45,709 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 12:59:45,932 INFO L134 CoverageAnalysis]: Checked inductivity of 1368 backedges. 688 proven. 2 refuted. 0 times theorem prover too weak. 678 trivial. 0 not checked. [2018-11-23 12:59:45,947 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 12:59:45,948 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 8 [2018-11-23 12:59:45,948 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 12:59:45,948 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 12:59:45,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 12:59:45,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-11-23 12:59:45,949 INFO L87 Difference]: Start difference. First operand 13437 states and 14958 transitions. Second operand 7 states. [2018-11-23 12:59:47,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:59:47,778 INFO L93 Difference]: Finished difference Result 31624 states and 35505 transitions. [2018-11-23 12:59:47,778 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 12:59:47,778 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 845 [2018-11-23 12:59:47,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:59:47,803 INFO L225 Difference]: With dead ends: 31624 [2018-11-23 12:59:47,804 INFO L226 Difference]: Without dead ends: 18500 [2018-11-23 12:59:47,820 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1703 GetRequests, 1690 SyntacticMatches, 3 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2018-11-23 12:59:47,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18500 states. [2018-11-23 12:59:47,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18500 to 18467. [2018-11-23 12:59:47,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18467 states. [2018-11-23 12:59:47,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18467 states to 18467 states and 20471 transitions. [2018-11-23 12:59:47,994 INFO L78 Accepts]: Start accepts. Automaton has 18467 states and 20471 transitions. Word has length 845 [2018-11-23 12:59:47,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:59:47,995 INFO L480 AbstractCegarLoop]: Abstraction has 18467 states and 20471 transitions. [2018-11-23 12:59:47,995 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 12:59:47,995 INFO L276 IsEmpty]: Start isEmpty. Operand 18467 states and 20471 transitions. [2018-11-23 12:59:48,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 884 [2018-11-23 12:59:48,006 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:59:48,006 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:59:48,006 INFO L423 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:59:48,006 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:59:48,006 INFO L82 PathProgramCache]: Analyzing trace with hash -1599223055, now seen corresponding path program 1 times [2018-11-23 12:59:48,007 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:59:48,007 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:59:48,007 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:59:48,007 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:59:48,007 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:59:48,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:59:48,758 INFO L134 CoverageAnalysis]: Checked inductivity of 1446 backedges. 766 proven. 2 refuted. 0 times theorem prover too weak. 678 trivial. 0 not checked. [2018-11-23 12:59:48,758 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:59:48,758 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 12:59:48,758 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 884 with the following transitions: [2018-11-23 12:59:48,759 INFO L202 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [660], [663], [667], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [762], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [962], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1194], [1197], [1201], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-11-23 12:59:48,761 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 12:59:48,762 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 12:59:51,811 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 12:59:51,811 INFO L272 AbstractInterpreter]: Visited 290 different actions 859 times. Merged at 8 different actions 18 times. Never widened. Performed 11802 root evaluator evaluations with a maximum evaluation depth of 20. Performed 11802 inverse root evaluator evaluations with a maximum inverse evaluation depth of 20. Found 7 fixpoints after 4 different actions. Largest state had 24 variables. [2018-11-23 12:59:51,818 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:59:51,819 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 12:59:51,819 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:59:51,819 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a8503da8-a86b-4772-ba50-154009ebaee9/bin-2019/utaipan/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 12:59:51,825 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:59:51,825 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 12:59:51,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:59:51,931 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:59:52,299 INFO L134 CoverageAnalysis]: Checked inductivity of 1446 backedges. 766 proven. 2 refuted. 0 times theorem prover too weak. 678 trivial. 0 not checked. [2018-11-23 12:59:52,299 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 12:59:52,782 INFO L134 CoverageAnalysis]: Checked inductivity of 1446 backedges. 766 proven. 2 refuted. 0 times theorem prover too weak. 678 trivial. 0 not checked. [2018-11-23 12:59:52,797 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 12:59:52,798 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7, 7] total 13 [2018-11-23 12:59:52,798 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 12:59:52,798 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-23 12:59:52,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-23 12:59:52,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2018-11-23 12:59:52,799 INFO L87 Difference]: Start difference. First operand 18467 states and 20471 transitions. Second operand 12 states. [2018-11-23 12:59:57,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:59:57,784 INFO L93 Difference]: Finished difference Result 36663 states and 40678 transitions. [2018-11-23 12:59:57,784 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-11-23 12:59:57,784 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 883 [2018-11-23 12:59:57,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:59:57,809 INFO L225 Difference]: With dead ends: 36663 [2018-11-23 12:59:57,810 INFO L226 Difference]: Without dead ends: 18509 [2018-11-23 12:59:57,828 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1811 GetRequests, 1776 SyntacticMatches, 5 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 217 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=269, Invalid=723, Unknown=0, NotChecked=0, Total=992 [2018-11-23 12:59:57,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18509 states. [2018-11-23 12:59:57,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18509 to 18481. [2018-11-23 12:59:57,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18481 states. [2018-11-23 12:59:58,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18481 states to 18481 states and 20341 transitions. [2018-11-23 12:59:58,012 INFO L78 Accepts]: Start accepts. Automaton has 18481 states and 20341 transitions. Word has length 883 [2018-11-23 12:59:58,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:59:58,013 INFO L480 AbstractCegarLoop]: Abstraction has 18481 states and 20341 transitions. [2018-11-23 12:59:58,013 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-23 12:59:58,013 INFO L276 IsEmpty]: Start isEmpty. Operand 18481 states and 20341 transitions. [2018-11-23 12:59:58,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 899 [2018-11-23 12:59:58,024 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:59:58,025 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:59:58,025 INFO L423 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:59:58,025 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:59:58,025 INFO L82 PathProgramCache]: Analyzing trace with hash -341046833, now seen corresponding path program 1 times [2018-11-23 12:59:58,025 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:59:58,026 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:59:58,026 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:59:58,026 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:59:58,026 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:59:58,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:59:58,769 INFO L134 CoverageAnalysis]: Checked inductivity of 984 backedges. 0 proven. 165 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2018-11-23 12:59:58,769 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:59:58,769 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 12:59:58,769 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 899 with the following transitions: [2018-11-23 12:59:58,769 INFO L202 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1562], [1566], [1570], [1573], [1578], [1580], [1581], [1585], [1589], [1593], [1597], [1601], [1612], [1616], [1619], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-11-23 12:59:58,773 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 12:59:58,773 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 13:00:00,840 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 13:00:00,840 INFO L272 AbstractInterpreter]: Visited 297 different actions 1181 times. Merged at 7 different actions 26 times. Never widened. Performed 15992 root evaluator evaluations with a maximum evaluation depth of 20. Performed 15992 inverse root evaluator evaluations with a maximum inverse evaluation depth of 20. Found 7 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-23 13:00:00,843 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:00:00,843 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 13:00:00,843 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:00:00,843 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a8503da8-a86b-4772-ba50-154009ebaee9/bin-2019/utaipan/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 13:00:00,850 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:00:00,850 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 13:00:00,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:00:00,959 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:00:03,075 WARN L180 SmtUtils]: Spent 2.03 s on a formula simplification that was a NOOP. DAG size: 38 [2018-11-23 13:00:03,413 INFO L134 CoverageAnalysis]: Checked inductivity of 984 backedges. 11 proven. 154 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2018-11-23 13:00:03,413 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 13:00:06,797 INFO L134 CoverageAnalysis]: Checked inductivity of 984 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2018-11-23 13:00:06,813 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-23 13:00:06,813 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [7, 6] total 13 [2018-11-23 13:00:06,813 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:00:06,813 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 13:00:06,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 13:00:06,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-11-23 13:00:06,814 INFO L87 Difference]: Start difference. First operand 18481 states and 20341 transitions. Second operand 6 states. [2018-11-23 13:00:08,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:00:08,955 INFO L93 Difference]: Finished difference Result 37275 states and 41181 transitions. [2018-11-23 13:00:08,956 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 13:00:08,956 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 898 [2018-11-23 13:00:08,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:00:08,979 INFO L225 Difference]: With dead ends: 37275 [2018-11-23 13:00:08,979 INFO L226 Difference]: Without dead ends: 18794 [2018-11-23 13:00:08,995 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1808 GetRequests, 1792 SyntacticMatches, 5 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-11-23 13:00:09,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18794 states. [2018-11-23 13:00:09,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18794 to 18479. [2018-11-23 13:00:09,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18479 states. [2018-11-23 13:00:09,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18479 states to 18479 states and 20413 transitions. [2018-11-23 13:00:09,192 INFO L78 Accepts]: Start accepts. Automaton has 18479 states and 20413 transitions. Word has length 898 [2018-11-23 13:00:09,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:00:09,192 INFO L480 AbstractCegarLoop]: Abstraction has 18479 states and 20413 transitions. [2018-11-23 13:00:09,192 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 13:00:09,192 INFO L276 IsEmpty]: Start isEmpty. Operand 18479 states and 20413 transitions. [2018-11-23 13:00:09,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 974 [2018-11-23 13:00:09,216 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:00:09,216 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:00:09,216 INFO L423 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:00:09,217 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:00:09,217 INFO L82 PathProgramCache]: Analyzing trace with hash 124704961, now seen corresponding path program 1 times [2018-11-23 13:00:09,217 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:00:09,217 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:00:09,218 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:00:09,218 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:00:09,218 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:00:09,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:00:09,751 INFO L134 CoverageAnalysis]: Checked inductivity of 1948 backedges. 744 proven. 235 refuted. 0 times theorem prover too weak. 969 trivial. 0 not checked. [2018-11-23 13:00:09,751 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:00:09,751 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 13:00:09,752 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 974 with the following transitions: [2018-11-23 13:00:09,752 INFO L202 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [660], [663], [667], [668], [671], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [762], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [962], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1194], [1197], [1201], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-11-23 13:00:09,755 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 13:00:09,755 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 13:00:14,835 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 13:00:14,835 INFO L272 AbstractInterpreter]: Visited 291 different actions 1146 times. Merged at 8 different actions 25 times. Never widened. Performed 15750 root evaluator evaluations with a maximum evaluation depth of 20. Performed 15750 inverse root evaluator evaluations with a maximum inverse evaluation depth of 20. Found 12 fixpoints after 5 different actions. Largest state had 24 variables. [2018-11-23 13:00:14,841 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:00:14,841 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 13:00:14,841 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:00:14,841 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a8503da8-a86b-4772-ba50-154009ebaee9/bin-2019/utaipan/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 13:00:14,847 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:00:14,848 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 13:00:14,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:00:14,965 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:00:15,358 INFO L134 CoverageAnalysis]: Checked inductivity of 1948 backedges. 912 proven. 2 refuted. 0 times theorem prover too weak. 1034 trivial. 0 not checked. [2018-11-23 13:00:15,358 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 13:00:16,139 INFO L134 CoverageAnalysis]: Checked inductivity of 1948 backedges. 912 proven. 2 refuted. 0 times theorem prover too weak. 1034 trivial. 0 not checked. [2018-11-23 13:00:16,154 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 13:00:16,154 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-23 13:00:16,154 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 13:00:16,155 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 13:00:16,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 13:00:16,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2018-11-23 13:00:16,155 INFO L87 Difference]: Start difference. First operand 18479 states and 20413 transitions. Second operand 9 states. [2018-11-23 13:00:23,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:00:23,022 INFO L93 Difference]: Finished difference Result 41616 states and 46372 transitions. [2018-11-23 13:00:23,022 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-11-23 13:00:23,022 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 973 [2018-11-23 13:00:23,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:00:23,051 INFO L225 Difference]: With dead ends: 41616 [2018-11-23 13:00:23,051 INFO L226 Difference]: Without dead ends: 23450 [2018-11-23 13:00:23,068 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2003 GetRequests, 1965 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 384 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=297, Invalid=1185, Unknown=0, NotChecked=0, Total=1482 [2018-11-23 13:00:23,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23450 states. [2018-11-23 13:00:23,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23450 to 23125. [2018-11-23 13:00:23,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23125 states. [2018-11-23 13:00:23,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23125 states to 23125 states and 25171 transitions. [2018-11-23 13:00:23,290 INFO L78 Accepts]: Start accepts. Automaton has 23125 states and 25171 transitions. Word has length 973 [2018-11-23 13:00:23,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:00:23,290 INFO L480 AbstractCegarLoop]: Abstraction has 23125 states and 25171 transitions. [2018-11-23 13:00:23,290 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 13:00:23,290 INFO L276 IsEmpty]: Start isEmpty. Operand 23125 states and 25171 transitions. [2018-11-23 13:00:23,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1363 [2018-11-23 13:00:23,340 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:00:23,340 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:00:23,341 INFO L423 AbstractCegarLoop]: === Iteration 20 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:00:23,341 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:00:23,342 INFO L82 PathProgramCache]: Analyzing trace with hash -856430705, now seen corresponding path program 1 times [2018-11-23 13:00:23,342 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:00:23,342 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:00:23,342 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:00:23,343 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:00:23,343 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:00:23,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:00:24,401 INFO L134 CoverageAnalysis]: Checked inductivity of 3405 backedges. 817 proven. 1370 refuted. 0 times theorem prover too weak. 1218 trivial. 0 not checked. [2018-11-23 13:00:24,401 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:00:24,401 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 13:00:24,401 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1363 with the following transitions: [2018-11-23 13:00:24,401 INFO L202 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [671], [672], [675], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1194], [1197], [1201], [1202], [1206], [1209], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1432], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-11-23 13:00:24,404 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 13:00:24,405 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 13:00:25,325 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 13:00:25,325 INFO L272 AbstractInterpreter]: Visited 289 different actions 1440 times. Merged at 9 different actions 44 times. Never widened. Performed 19849 root evaluator evaluations with a maximum evaluation depth of 19. Performed 19849 inverse root evaluator evaluations with a maximum inverse evaluation depth of 19. Found 18 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-23 13:00:25,329 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:00:25,329 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 13:00:25,329 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:00:25,329 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a8503da8-a86b-4772-ba50-154009ebaee9/bin-2019/utaipan/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 13:00:25,337 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:00:25,337 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 13:00:25,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:00:25,493 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:00:25,959 INFO L134 CoverageAnalysis]: Checked inductivity of 3405 backedges. 2329 proven. 2 refuted. 0 times theorem prover too weak. 1074 trivial. 0 not checked. [2018-11-23 13:00:25,959 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 13:00:26,592 INFO L134 CoverageAnalysis]: Checked inductivity of 3405 backedges. 1005 proven. 375 refuted. 0 times theorem prover too weak. 2025 trivial. 0 not checked. [2018-11-23 13:00:26,608 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 13:00:26,608 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 13 [2018-11-23 13:00:26,608 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 13:00:26,609 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-23 13:00:26,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-23 13:00:26,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2018-11-23 13:00:26,610 INFO L87 Difference]: Start difference. First operand 23125 states and 25171 transitions. Second operand 12 states. [2018-11-23 13:00:28,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:00:28,303 INFO L93 Difference]: Finished difference Result 41059 states and 44267 transitions. [2018-11-23 13:00:28,303 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-23 13:00:28,303 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 1362 [2018-11-23 13:00:28,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:00:28,326 INFO L225 Difference]: With dead ends: 41059 [2018-11-23 13:00:28,326 INFO L226 Difference]: Without dead ends: 20396 [2018-11-23 13:00:28,347 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2763 GetRequests, 2734 SyntacticMatches, 4 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=177, Invalid=525, Unknown=0, NotChecked=0, Total=702 [2018-11-23 13:00:28,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20396 states. [2018-11-23 13:00:28,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20396 to 18233. [2018-11-23 13:00:28,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18233 states. [2018-11-23 13:00:28,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18233 states to 18233 states and 19161 transitions. [2018-11-23 13:00:28,508 INFO L78 Accepts]: Start accepts. Automaton has 18233 states and 19161 transitions. Word has length 1362 [2018-11-23 13:00:28,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:00:28,509 INFO L480 AbstractCegarLoop]: Abstraction has 18233 states and 19161 transitions. [2018-11-23 13:00:28,509 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-23 13:00:28,509 INFO L276 IsEmpty]: Start isEmpty. Operand 18233 states and 19161 transitions. [2018-11-23 13:00:28,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1712 [2018-11-23 13:00:28,543 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:00:28,544 INFO L402 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:00:28,544 INFO L423 AbstractCegarLoop]: === Iteration 21 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:00:28,544 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:00:28,544 INFO L82 PathProgramCache]: Analyzing trace with hash -583082538, now seen corresponding path program 1 times [2018-11-23 13:00:28,544 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:00:28,545 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:00:28,545 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:00:28,545 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:00:28,545 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:00:28,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:00:29,622 INFO L134 CoverageAnalysis]: Checked inductivity of 6093 backedges. 1116 proven. 579 refuted. 0 times theorem prover too weak. 4398 trivial. 0 not checked. [2018-11-23 13:00:29,622 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:00:29,622 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 13:00:29,622 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1712 with the following transitions: [2018-11-23 13:00:29,623 INFO L202 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [613], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [671], [672], [675], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [857], [862], [864], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [927], [932], [934], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1194], [1197], [1201], [1202], [1206], [1209], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1432], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-11-23 13:00:29,625 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 13:00:29,625 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 13:00:30,583 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 13:00:30,583 INFO L272 AbstractInterpreter]: Visited 296 different actions 1466 times. Merged at 12 different actions 51 times. Widened at 1 different actions 1 times. Performed 20029 root evaluator evaluations with a maximum evaluation depth of 19. Performed 20029 inverse root evaluator evaluations with a maximum inverse evaluation depth of 19. Found 21 fixpoints after 5 different actions. Largest state had 24 variables. [2018-11-23 13:00:30,589 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:00:30,589 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 13:00:30,589 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:00:30,589 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a8503da8-a86b-4772-ba50-154009ebaee9/bin-2019/utaipan/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 13:00:30,595 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:00:30,595 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 13:00:30,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:00:30,787 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:00:31,488 INFO L134 CoverageAnalysis]: Checked inductivity of 6093 backedges. 3863 proven. 2 refuted. 0 times theorem prover too weak. 2228 trivial. 0 not checked. [2018-11-23 13:00:31,488 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 13:00:32,316 INFO L134 CoverageAnalysis]: Checked inductivity of 6093 backedges. 1116 proven. 579 refuted. 0 times theorem prover too weak. 4398 trivial. 0 not checked. [2018-11-23 13:00:32,331 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 13:00:32,331 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-23 13:00:32,332 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 13:00:32,332 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 13:00:32,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 13:00:32,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-11-23 13:00:32,333 INFO L87 Difference]: Start difference. First operand 18233 states and 19161 transitions. Second operand 9 states. [2018-11-23 13:00:33,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:00:33,533 INFO L93 Difference]: Finished difference Result 36327 states and 38592 transitions. [2018-11-23 13:00:33,534 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-23 13:00:33,534 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1711 [2018-11-23 13:00:33,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:00:33,556 INFO L225 Difference]: With dead ends: 36327 [2018-11-23 13:00:33,556 INFO L226 Difference]: Without dead ends: 18411 [2018-11-23 13:00:33,570 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3443 GetRequests, 3425 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=103, Invalid=203, Unknown=0, NotChecked=0, Total=306 [2018-11-23 13:00:33,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18411 states. [2018-11-23 13:00:33,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18411 to 18237. [2018-11-23 13:00:33,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18237 states. [2018-11-23 13:00:33,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18237 states to 18237 states and 19033 transitions. [2018-11-23 13:00:33,734 INFO L78 Accepts]: Start accepts. Automaton has 18237 states and 19033 transitions. Word has length 1711 [2018-11-23 13:00:33,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:00:33,734 INFO L480 AbstractCegarLoop]: Abstraction has 18237 states and 19033 transitions. [2018-11-23 13:00:33,734 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 13:00:33,734 INFO L276 IsEmpty]: Start isEmpty. Operand 18237 states and 19033 transitions. [2018-11-23 13:00:33,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1811 [2018-11-23 13:00:33,755 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:00:33,755 INFO L402 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:00:33,755 INFO L423 AbstractCegarLoop]: === Iteration 22 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:00:33,755 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:00:33,756 INFO L82 PathProgramCache]: Analyzing trace with hash -1289558300, now seen corresponding path program 1 times [2018-11-23 13:00:33,756 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:00:33,756 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:00:33,756 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:00:33,756 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:00:33,756 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:00:33,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:00:34,908 INFO L134 CoverageAnalysis]: Checked inductivity of 7085 backedges. 1372 proven. 427 refuted. 0 times theorem prover too weak. 5286 trivial. 0 not checked. [2018-11-23 13:00:34,908 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:00:34,909 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 13:00:34,909 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1811 with the following transitions: [2018-11-23 13:00:34,909 INFO L202 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [613], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [671], [672], [675], [676], [680], [684], [688], [692], [696], [699], [704], [706], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [857], [862], [864], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [927], [932], [934], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1194], [1197], [1201], [1202], [1206], [1209], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1432], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-11-23 13:00:34,912 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 13:00:34,913 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 13:00:35,921 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 13:00:35,921 INFO L272 AbstractInterpreter]: Visited 299 different actions 1466 times. Merged at 11 different actions 44 times. Widened at 1 different actions 1 times. Performed 20038 root evaluator evaluations with a maximum evaluation depth of 19. Performed 20038 inverse root evaluator evaluations with a maximum inverse evaluation depth of 19. Found 22 fixpoints after 7 different actions. Largest state had 24 variables. [2018-11-23 13:00:35,925 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:00:35,925 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 13:00:35,925 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:00:35,925 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a8503da8-a86b-4772-ba50-154009ebaee9/bin-2019/utaipan/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 13:00:35,932 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:00:35,932 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 13:00:36,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:00:36,173 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:00:36,946 INFO L134 CoverageAnalysis]: Checked inductivity of 7085 backedges. 4382 proven. 2 refuted. 0 times theorem prover too weak. 2701 trivial. 0 not checked. [2018-11-23 13:00:36,946 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 13:00:37,943 INFO L134 CoverageAnalysis]: Checked inductivity of 7085 backedges. 1372 proven. 427 refuted. 0 times theorem prover too weak. 5286 trivial. 0 not checked. [2018-11-23 13:00:37,966 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 13:00:37,967 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 11 [2018-11-23 13:00:37,967 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 13:00:37,968 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 13:00:37,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 13:00:37,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-11-23 13:00:37,968 INFO L87 Difference]: Start difference. First operand 18237 states and 19033 transitions. Second operand 8 states. [2018-11-23 13:00:40,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:00:40,402 INFO L93 Difference]: Finished difference Result 41770 states and 43841 transitions. [2018-11-23 13:00:40,402 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-23 13:00:40,402 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 1810 [2018-11-23 13:00:40,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:00:40,428 INFO L225 Difference]: With dead ends: 41770 [2018-11-23 13:00:40,429 INFO L226 Difference]: Without dead ends: 23850 [2018-11-23 13:00:40,443 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3641 GetRequests, 3623 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=108, Invalid=234, Unknown=0, NotChecked=0, Total=342 [2018-11-23 13:00:40,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23850 states. [2018-11-23 13:00:40,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23850 to 19486. [2018-11-23 13:00:40,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19486 states. [2018-11-23 13:00:40,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19486 states to 19486 states and 20318 transitions. [2018-11-23 13:00:40,631 INFO L78 Accepts]: Start accepts. Automaton has 19486 states and 20318 transitions. Word has length 1810 [2018-11-23 13:00:40,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:00:40,632 INFO L480 AbstractCegarLoop]: Abstraction has 19486 states and 20318 transitions. [2018-11-23 13:00:40,632 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 13:00:40,632 INFO L276 IsEmpty]: Start isEmpty. Operand 19486 states and 20318 transitions. [2018-11-23 13:00:40,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1910 [2018-11-23 13:00:40,654 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:00:40,655 INFO L402 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:00:40,655 INFO L423 AbstractCegarLoop]: === Iteration 23 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:00:40,655 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:00:40,655 INFO L82 PathProgramCache]: Analyzing trace with hash -1599291574, now seen corresponding path program 1 times [2018-11-23 13:00:40,655 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:00:40,656 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:00:40,656 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:00:40,656 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:00:40,656 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:00:40,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:00:41,998 INFO L134 CoverageAnalysis]: Checked inductivity of 7461 backedges. 1777 proven. 375 refuted. 0 times theorem prover too weak. 5309 trivial. 0 not checked. [2018-11-23 13:00:41,998 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:00:41,998 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 13:00:41,998 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1910 with the following transitions: [2018-11-23 13:00:41,998 INFO L202 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [613], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [671], [672], [675], [676], [680], [684], [688], [692], [696], [699], [704], [706], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [857], [862], [864], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1194], [1197], [1201], [1202], [1206], [1209], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1386], [1391], [1393], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1432], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-11-23 13:00:42,001 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 13:00:42,001 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 13:00:42,961 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 13:00:42,961 INFO L272 AbstractInterpreter]: Visited 299 different actions 1464 times. Merged at 11 different actions 42 times. Never widened. Performed 20013 root evaluator evaluations with a maximum evaluation depth of 19. Performed 20013 inverse root evaluator evaluations with a maximum inverse evaluation depth of 19. Found 22 fixpoints after 7 different actions. Largest state had 24 variables. [2018-11-23 13:00:42,965 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:00:42,965 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 13:00:42,965 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:00:42,965 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a8503da8-a86b-4772-ba50-154009ebaee9/bin-2019/utaipan/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 13:00:42,972 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:00:42,972 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 13:00:43,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:00:43,197 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:00:44,126 INFO L134 CoverageAnalysis]: Checked inductivity of 7461 backedges. 4256 proven. 2 refuted. 0 times theorem prover too weak. 3203 trivial. 0 not checked. [2018-11-23 13:00:44,126 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 13:00:45,299 INFO L134 CoverageAnalysis]: Checked inductivity of 7461 backedges. 1777 proven. 375 refuted. 0 times theorem prover too weak. 5309 trivial. 0 not checked. [2018-11-23 13:00:45,315 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 13:00:45,315 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 11 [2018-11-23 13:00:45,315 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 13:00:45,316 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 13:00:45,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 13:00:45,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-11-23 13:00:45,316 INFO L87 Difference]: Start difference. First operand 19486 states and 20318 transitions. Second operand 8 states. [2018-11-23 13:00:47,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:00:47,610 INFO L93 Difference]: Finished difference Result 38661 states and 40481 transitions. [2018-11-23 13:00:47,611 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-23 13:00:47,611 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 1909 [2018-11-23 13:00:47,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:00:47,612 INFO L225 Difference]: With dead ends: 38661 [2018-11-23 13:00:47,612 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 13:00:47,631 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3838 GetRequests, 3820 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=108, Invalid=234, Unknown=0, NotChecked=0, Total=342 [2018-11-23 13:00:47,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 13:00:47,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 13:00:47,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 13:00:47,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 13:00:47,632 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1909 [2018-11-23 13:00:47,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:00:47,632 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 13:00:47,632 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 13:00:47,632 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 13:00:47,632 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 13:00:47,636 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 13:00:47,804 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:47,856 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:47,860 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,060 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,213 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,230 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,255 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,275 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,278 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,283 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,292 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,295 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,309 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,312 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,314 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,318 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,351 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,367 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,369 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,370 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,373 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,403 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,404 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,413 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,423 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,467 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,515 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,527 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,528 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,534 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,538 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,542 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,543 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,543 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,549 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,557 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,561 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,568 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,572 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,573 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,573 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,577 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,582 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,597 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,601 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,605 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,606 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,606 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,611 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,614 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,617 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,641 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,647 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,650 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,654 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,659 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,678 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,687 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,696 WARN L180 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 521 DAG size of output: 326 [2018-11-23 13:00:48,701 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,713 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,715 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,718 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,724 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,726 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,734 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,736 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,738 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,740 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,760 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,770 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,771 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,771 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,773 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,792 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,793 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,799 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,805 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,820 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,867 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,879 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,879 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,883 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,887 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,891 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,892 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,893 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,899 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,907 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,912 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,916 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,920 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,921 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,921 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,925 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,929 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,939 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,942 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,944 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,945 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,945 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,949 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,950 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,952 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,970 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,974 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,976 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,979 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:48,984 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:49,003 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:49,012 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:49,021 WARN L180 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 518 DAG size of output: 328 [2018-11-23 13:00:49,078 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:49,280 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:49,712 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:00:57,933 WARN L180 SmtUtils]: Spent 7.38 s on a formula simplification. DAG size of input: 544 DAG size of output: 180 [2018-11-23 13:01:05,731 WARN L180 SmtUtils]: Spent 7.79 s on a formula simplification. DAG size of input: 575 DAG size of output: 178 [2018-11-23 13:01:08,057 WARN L180 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 331 DAG size of output: 90 [2018-11-23 13:01:09,360 WARN L180 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 334 DAG size of output: 90 [2018-11-23 13:01:15,330 WARN L180 SmtUtils]: Spent 5.96 s on a formula simplification. DAG size of input: 583 DAG size of output: 188 [2018-11-23 13:01:15,332 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 13:01:15,332 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a29~0 |old(~a29~0)|) (= ~a2~0 |old(~a2~0)|) (or (<= (+ ~a4~0 86) 0) (<= 0 (+ |old(~a4~0)| 85))) (= ~a0~0 |old(~a0~0)|)) [2018-11-23 13:01:15,332 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 13:01:15,332 INFO L448 ceAbstractionStarter]: For program point calculate_output2EXIT(lines 1658 1758) no Hoare annotation was computed. [2018-11-23 13:01:15,333 INFO L448 ceAbstractionStarter]: For program point L1749(lines 1749 1756) no Hoare annotation was computed. [2018-11-23 13:01:15,333 INFO L448 ceAbstractionStarter]: For program point L1729(lines 1729 1756) no Hoare annotation was computed. [2018-11-23 13:01:15,333 INFO L444 ceAbstractionStarter]: At program point calculate_output2ENTRY(lines 1658 1758) the Hoare annotation is: (let ((.cse29 (+ ~a4~0 86))) (let ((.cse10 (<= (+ |old(~a4~0)| 86) 0)) (.cse18 (not (= 2 |old(~a2~0)|))) (.cse31 (= 3 |old(~a2~0)|)) (.cse5 (<= (+ |old(~a29~0)| 144) 0)) (.cse19 (<= 0 (+ |old(~a4~0)| 85))) (.cse27 (< (+ ~a4~0 85) 0)) (.cse30 (+ |old(~a0~0)| 98)) (.cse0 (= ~a29~0 |old(~a29~0)|)) (.cse8 (< 0 .cse29)) (.cse24 (= |old(~a2~0)| ~a2~0)) (.cse1 (= ~a0~0 |old(~a0~0)|)) (.cse28 (+ |old(~a0~0)| 44))) (let ((.cse9 (= 2 ~a2~0)) (.cse20 (< .cse28 0)) (.cse11 (= 1 ~a2~0)) (.cse12 (not (= |old(~a2~0)| 1))) (.cse23 (and .cse0 .cse8 .cse24 .cse1)) (.cse26 (< 0 (+ |old(~a0~0)| 61))) (.cse2 (not (= 4 |old(~a2~0)|))) (.cse14 (<= .cse30 0)) (.cse15 (and .cse0 .cse24 .cse1)) (.cse13 (exists ((v_~a0~0_1001 Int)) (let ((.cse33 (* 9 v_~a0~0_1001))) (and (<= 0 .cse33) (<= v_~a0~0_1001 |old(~a0~0)|) (<= 556513 (div .cse33 10)))))) (.cse4 (not (= 5 |old(~a2~0)|))) (.cse16 (and .cse0 .cse24 .cse27 .cse1)) (.cse25 (or (< |old(~a2~0)| 2) .cse31 (exists ((v_prenex_11 Int)) (let ((.cse32 (* 9 v_prenex_11))) (and (<= 0 .cse32) (<= v_prenex_11 |old(~a0~0)|) (<= 588731 (div .cse32 10))))) .cse5 .cse19)) (.cse21 (not .cse31)) (.cse22 (= 3 ~a2~0)) (.cse3 (< 0 .cse30)) (.cse6 (< 0 (+ |old(~a0~0)| 107))) (.cse17 (forall ((v_prenex_21 Int)) (or (< (mod (+ v_prenex_21 43614) 299928) (+ |old(~a29~0)| 300071)) (< v_prenex_21 556242)))) (.cse7 (or .cse10 .cse18))) (and (or (and (and .cse0 (= 4 ~a2~0)) .cse1) (or .cse2 (< |old(~a29~0)| 44) .cse3)) (or .cse4 .cse5 .cse3 (and .cse0 .cse1 (= 5 ~a2~0))) (or .cse6 .cse7 (and .cse0 .cse8 .cse9)) (or .cse10 (and .cse0 .cse8 .cse11 .cse1) .cse3 .cse12) (or .cse2 .cse13 .cse14 .cse5 .cse15) (or .cse16 .cse13 .cse17 .cse18 .cse19) (or (or (or .cse20 .cse5) .cse13 .cse21) (and (and .cse0 .cse22) .cse1)) (or .cse10 .cse2 .cse6 .cse23) (or (or .cse5 .cse18) (and (and .cse0 .cse9) .cse1) .cse3) (or .cse10 .cse6 .cse4 .cse23) (or (or .cse10 .cse5) .cse12 (and (and .cse24 .cse8) .cse0 .cse1)) (or .cse13 .cse16 .cse25 (< 4 |old(~a2~0)|)) (or .cse26 (and .cse24 .cse0 .cse27 .cse1) .cse19) (or .cse2 .cse20 .cse13 .cse19 .cse16) (or (not (= 0 (+ |old(~a29~0)| 127))) (not (= 0 .cse28)) .cse12 (not (= 0 (+ |old(~a4~0)| 89))) (= (+ ~a4~0 89) 0)) (or .cse26 .cse10 .cse14 .cse5 (and .cse0 .cse8 .cse1 .cse22) .cse21) (or .cse13 (and .cse0 (or (<= .cse29 0) .cse19) .cse11 .cse1) .cse5 .cse12) (or .cse13 .cse19 .cse21 (and .cse0 .cse27 .cse1 .cse22)) (or .cse26 .cse10 .cse4 .cse14 .cse23 .cse5) (or (or .cse26 .cse2 .cse14) .cse15) (or .cse13 .cse4 .cse16 .cse25) (or .cse21 (and .cse0 .cse1 .cse22) .cse3) (or .cse6 .cse17 .cse7 .cse1))))) [2018-11-23 13:01:15,333 INFO L448 ceAbstractionStarter]: For program point L1742(lines 1742 1756) no Hoare annotation was computed. [2018-11-23 13:01:15,333 INFO L448 ceAbstractionStarter]: For program point L1709(lines 1709 1756) no Hoare annotation was computed. [2018-11-23 13:01:15,333 INFO L448 ceAbstractionStarter]: For program point L1672(lines 1672 1756) no Hoare annotation was computed. [2018-11-23 13:01:15,333 INFO L448 ceAbstractionStarter]: For program point L1701(lines 1701 1756) no Hoare annotation was computed. [2018-11-23 13:01:15,333 INFO L448 ceAbstractionStarter]: For program point L1668(lines 1668 1756) no Hoare annotation was computed. [2018-11-23 13:01:15,333 INFO L448 ceAbstractionStarter]: For program point L1722(lines 1722 1756) no Hoare annotation was computed. [2018-11-23 13:01:15,333 INFO L448 ceAbstractionStarter]: For program point L1685(lines 1685 1756) no Hoare annotation was computed. [2018-11-23 13:01:15,333 INFO L448 ceAbstractionStarter]: For program point L1710(lines 1710 1721) no Hoare annotation was computed. [2018-11-23 13:01:15,333 INFO L448 ceAbstractionStarter]: For program point L1710-2(lines 1710 1721) no Hoare annotation was computed. [2018-11-23 13:01:15,333 INFO L448 ceAbstractionStarter]: For program point calculate_output2FINAL(lines 1658 1758) no Hoare annotation was computed. [2018-11-23 13:01:15,333 INFO L448 ceAbstractionStarter]: For program point L1706(lines 1706 1756) no Hoare annotation was computed. [2018-11-23 13:01:15,333 INFO L448 ceAbstractionStarter]: For program point L1735(lines 1735 1756) no Hoare annotation was computed. [2018-11-23 13:01:15,333 INFO L448 ceAbstractionStarter]: For program point L1694(lines 1694 1756) no Hoare annotation was computed. [2018-11-23 13:01:15,333 INFO L448 ceAbstractionStarter]: For program point L1661(lines 1661 1756) no Hoare annotation was computed. [2018-11-23 13:01:15,334 INFO L448 ceAbstractionStarter]: For program point L1686(lines 1686 1693) no Hoare annotation was computed. [2018-11-23 13:01:15,334 INFO L448 ceAbstractionStarter]: For program point L1686-2(lines 1686 1693) no Hoare annotation was computed. [2018-11-23 13:01:15,334 INFO L448 ceAbstractionStarter]: For program point L1678(lines 1678 1756) no Hoare annotation was computed. [2018-11-23 13:01:15,334 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,334 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 23 1656) no Hoare annotation was computed. [2018-11-23 13:01:15,334 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 23 1656) no Hoare annotation was computed. [2018-11-23 13:01:15,334 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 23 1656) no Hoare annotation was computed. [2018-11-23 13:01:15,334 INFO L448 ceAbstractionStarter]: For program point L895(lines 895 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,334 INFO L448 ceAbstractionStarter]: For program point L829(lines 829 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,334 INFO L448 ceAbstractionStarter]: For program point L433(lines 433 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,334 INFO L448 ceAbstractionStarter]: For program point L367(lines 367 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,334 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-23 13:01:15,334 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-23 13:01:15,334 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-23 13:01:15,334 INFO L448 ceAbstractionStarter]: For program point L830(lines 830 839) no Hoare annotation was computed. [2018-11-23 13:01:15,334 INFO L448 ceAbstractionStarter]: For program point L830-2(lines 830 839) no Hoare annotation was computed. [2018-11-23 13:01:15,334 INFO L448 ceAbstractionStarter]: For program point L1623(lines 1623 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,334 INFO L448 ceAbstractionStarter]: For program point L1359(lines 1359 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,334 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 23 1656) no Hoare annotation was computed. [2018-11-23 13:01:15,334 INFO L448 ceAbstractionStarter]: For program point L1162(lines 1162 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,334 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 23 1656) no Hoare annotation was computed. [2018-11-23 13:01:15,334 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 23 1656) no Hoare annotation was computed. [2018-11-23 13:01:15,334 INFO L448 ceAbstractionStarter]: For program point L1030(lines 1030 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,334 INFO L448 ceAbstractionStarter]: For program point L634(lines 634 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,334 INFO L448 ceAbstractionStarter]: For program point L1559(lines 1559 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,334 INFO L448 ceAbstractionStarter]: For program point L502(lines 502 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,335 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-23 13:01:15,335 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-23 13:01:15,335 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-23 13:01:15,335 INFO L448 ceAbstractionStarter]: For program point L569(lines 569 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,335 INFO L448 ceAbstractionStarter]: For program point L1494(lines 1494 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,335 INFO L448 ceAbstractionStarter]: For program point L1098(lines 1098 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,335 INFO L448 ceAbstractionStarter]: For program point L966(lines 966 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,335 INFO L448 ceAbstractionStarter]: For program point L768(lines 768 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,335 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,335 INFO L448 ceAbstractionStarter]: For program point L1231(lines 1231 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,335 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 23 1656) no Hoare annotation was computed. [2018-11-23 13:01:15,335 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 23 1656) no Hoare annotation was computed. [2018-11-23 13:01:15,335 INFO L448 ceAbstractionStarter]: For program point L1099(lines 1099 1107) no Hoare annotation was computed. [2018-11-23 13:01:15,335 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 23 1656) no Hoare annotation was computed. [2018-11-23 13:01:15,335 INFO L448 ceAbstractionStarter]: For program point L1099-2(lines 1099 1107) no Hoare annotation was computed. [2018-11-23 13:01:15,335 INFO L448 ceAbstractionStarter]: For program point L901(lines 901 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,335 INFO L448 ceAbstractionStarter]: For program point L439(lines 439 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,335 INFO L448 ceAbstractionStarter]: For program point L373(lines 373 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,335 INFO L448 ceAbstractionStarter]: For program point L307(lines 307 319) no Hoare annotation was computed. [2018-11-23 13:01:15,335 INFO L448 ceAbstractionStarter]: For program point L241(lines 241 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,335 INFO L448 ceAbstractionStarter]: For program point L307-2(lines 307 319) no Hoare annotation was computed. [2018-11-23 13:01:15,335 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-23 13:01:15,335 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-23 13:01:15,335 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-23 13:01:15,335 INFO L448 ceAbstractionStarter]: For program point L1629(lines 1629 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,335 INFO L448 ceAbstractionStarter]: For program point L1431(lines 1431 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,335 INFO L448 ceAbstractionStarter]: For program point L1365(lines 1365 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,336 INFO L448 ceAbstractionStarter]: For program point L1035(lines 1035 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,336 INFO L448 ceAbstractionStarter]: For program point L507(lines 507 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,336 INFO L448 ceAbstractionStarter]: For program point L1300(lines 1300 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,336 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 23 1656) no Hoare annotation was computed. [2018-11-23 13:01:15,336 INFO L448 ceAbstractionStarter]: For program point L1168(lines 1168 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,336 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 23 1656) no Hoare annotation was computed. [2018-11-23 13:01:15,336 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 23 1656) no Hoare annotation was computed. [2018-11-23 13:01:15,336 INFO L448 ceAbstractionStarter]: For program point L574(lines 574 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,336 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-23 13:01:15,336 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-23 13:01:15,336 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-23 13:01:15,336 INFO L448 ceAbstractionStarter]: For program point L707(lines 707 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,336 INFO L448 ceAbstractionStarter]: For program point L641(lines 641 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,336 INFO L448 ceAbstractionStarter]: For program point L575(lines 575 586) no Hoare annotation was computed. [2018-11-23 13:01:15,336 INFO L448 ceAbstractionStarter]: For program point L1566(lines 1566 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,336 INFO L448 ceAbstractionStarter]: For program point L575-2(lines 575 586) no Hoare annotation was computed. [2018-11-23 13:01:15,336 INFO L448 ceAbstractionStarter]: For program point L1038(lines 1038 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,336 INFO L448 ceAbstractionStarter]: For program point L840(lines 840 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,336 INFO L448 ceAbstractionStarter]: For program point L774(lines 774 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,336 INFO L448 ceAbstractionStarter]: For program point L642(lines 642 651) no Hoare annotation was computed. [2018-11-23 13:01:15,336 INFO L448 ceAbstractionStarter]: For program point L642-2(lines 642 651) no Hoare annotation was computed. [2018-11-23 13:01:15,336 INFO L448 ceAbstractionStarter]: For program point L1501(lines 1501 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,336 INFO L448 ceAbstractionStarter]: For program point L1237(lines 1237 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,336 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 23 1656) no Hoare annotation was computed. [2018-11-23 13:01:15,337 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 23 1656) no Hoare annotation was computed. [2018-11-23 13:01:15,337 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 23 1656) no Hoare annotation was computed. [2018-11-23 13:01:15,337 INFO L448 ceAbstractionStarter]: For program point L973(lines 973 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,337 INFO L448 ceAbstractionStarter]: For program point L907(lines 907 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,337 INFO L448 ceAbstractionStarter]: For program point L445(lines 445 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,337 INFO L448 ceAbstractionStarter]: For program point L247(lines 247 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,337 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-23 13:01:15,337 INFO L448 ceAbstractionStarter]: For program point L1172(lines 1172 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,337 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-23 13:01:15,337 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-23 13:01:15,337 INFO L448 ceAbstractionStarter]: For program point L1635(lines 1635 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,337 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,337 INFO L448 ceAbstractionStarter]: For program point L1371(lines 1371 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,337 INFO L448 ceAbstractionStarter]: For program point L1570(lines 1570 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,337 INFO L448 ceAbstractionStarter]: For program point L1438(lines 1438 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,337 INFO L448 ceAbstractionStarter]: For program point L1306(lines 1306 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,337 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 23 1656) no Hoare annotation was computed. [2018-11-23 13:01:15,337 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 23 1656) no Hoare annotation was computed. [2018-11-23 13:01:15,337 INFO L448 ceAbstractionStarter]: For program point L1108(lines 1108 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,337 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 23 1656) no Hoare annotation was computed. [2018-11-23 13:01:15,337 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 23 1656) no Hoare annotation was computed. [2018-11-23 13:01:15,337 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,338 INFO L448 ceAbstractionStarter]: For program point L1571(lines 1571 1581) no Hoare annotation was computed. [2018-11-23 13:01:15,338 INFO L448 ceAbstractionStarter]: For program point L514(lines 514 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,338 INFO L448 ceAbstractionStarter]: For program point L1571-2(lines 1571 1581) no Hoare annotation was computed. [2018-11-23 13:01:15,338 INFO L448 ceAbstractionStarter]: For program point L1439(lines 1439 1448) no Hoare annotation was computed. [2018-11-23 13:01:15,338 INFO L448 ceAbstractionStarter]: For program point L1439-2(lines 1439 1448) no Hoare annotation was computed. [2018-11-23 13:01:15,338 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-23 13:01:15,338 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-23 13:01:15,338 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-23 13:01:15,338 INFO L448 ceAbstractionStarter]: For program point L845(lines 845 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,338 INFO L448 ceAbstractionStarter]: For program point L779(lines 779 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,338 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,338 INFO L448 ceAbstractionStarter]: For program point L1044(lines 1044 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,338 INFO L448 ceAbstractionStarter]: For program point L912(lines 912 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,338 INFO L448 ceAbstractionStarter]: For program point L384(lines 384 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,338 INFO L448 ceAbstractionStarter]: For program point L1243(lines 1243 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,338 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 23 1656) no Hoare annotation was computed. [2018-11-23 13:01:15,338 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 23 1656) no Hoare annotation was computed. [2018-11-23 13:01:15,338 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 23 1656) no Hoare annotation was computed. [2018-11-23 13:01:15,338 INFO L448 ceAbstractionStarter]: For program point L979(lines 979 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,338 INFO L448 ceAbstractionStarter]: For program point L1640(lines 1640 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,338 INFO L448 ceAbstractionStarter]: For program point L1508(lines 1508 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,338 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,338 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-23 13:01:15,338 INFO L448 ceAbstractionStarter]: For program point L1178(lines 1178 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,338 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-23 13:01:15,338 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-23 13:01:15,339 INFO L448 ceAbstractionStarter]: For program point L320(lines 320 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,339 INFO L448 ceAbstractionStarter]: For program point L1378(lines 1378 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,339 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 23 1656) no Hoare annotation was computed. [2018-11-23 13:01:15,339 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 23 1656) no Hoare annotation was computed. [2018-11-23 13:01:15,339 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 23 1656) no Hoare annotation was computed. [2018-11-23 13:01:15,339 INFO L448 ceAbstractionStarter]: For program point L718(lines 718 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,339 INFO L448 ceAbstractionStarter]: For program point L652(lines 652 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,339 INFO L448 ceAbstractionStarter]: For program point L520(lines 520 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,339 INFO L448 ceAbstractionStarter]: For program point L1511(lines 1511 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,339 INFO L448 ceAbstractionStarter]: For program point L1313(lines 1313 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,339 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-23 13:01:15,339 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-23 13:01:15,339 INFO L448 ceAbstractionStarter]: For program point L1115(lines 1115 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,339 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-23 13:01:15,339 INFO L448 ceAbstractionStarter]: For program point L1049(lines 1049 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,339 INFO L448 ceAbstractionStarter]: For program point L851(lines 851 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,339 INFO L448 ceAbstractionStarter]: For program point L587(lines 587 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,339 INFO L448 ceAbstractionStarter]: For program point L521(lines 521 528) no Hoare annotation was computed. [2018-11-23 13:01:15,339 INFO L448 ceAbstractionStarter]: For program point L521-2(lines 521 528) no Hoare annotation was computed. [2018-11-23 13:01:15,339 INFO L448 ceAbstractionStarter]: For program point L1050(lines 1050 1061) no Hoare annotation was computed. [2018-11-23 13:01:15,339 INFO L448 ceAbstractionStarter]: For program point L1050-2(lines 1050 1061) no Hoare annotation was computed. [2018-11-23 13:01:15,340 INFO L448 ceAbstractionStarter]: For program point L786(lines 786 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,340 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 23 1656) the Hoare annotation is: (let ((.cse28 (+ ~a4~0 86))) (let ((.cse10 (<= (+ |old(~a4~0)| 86) 0)) (.cse18 (not (= 2 |old(~a2~0)|))) (.cse31 (= 3 |old(~a2~0)|)) (.cse5 (<= (+ |old(~a29~0)| 144) 0)) (.cse19 (<= 0 (+ |old(~a4~0)| 85))) (.cse27 (< (+ ~a4~0 85) 0)) (.cse30 (+ |old(~a0~0)| 98)) (.cse0 (= ~a29~0 |old(~a29~0)|)) (.cse8 (< 0 .cse28)) (.cse24 (= |old(~a2~0)| ~a2~0)) (.cse1 (= ~a0~0 |old(~a0~0)|)) (.cse29 (+ |old(~a0~0)| 44))) (let ((.cse9 (= 2 ~a2~0)) (.cse20 (< .cse29 0)) (.cse11 (= 1 ~a2~0)) (.cse23 (and .cse0 .cse8 .cse24 .cse1)) (.cse12 (not (= |old(~a2~0)| 1))) (.cse26 (< 0 (+ |old(~a0~0)| 61))) (.cse2 (not (= 4 |old(~a2~0)|))) (.cse14 (<= .cse30 0)) (.cse15 (and .cse0 .cse24 .cse1)) (.cse13 (exists ((v_~a0~0_1001 Int)) (let ((.cse33 (* 9 v_~a0~0_1001))) (and (<= 0 .cse33) (<= v_~a0~0_1001 |old(~a0~0)|) (<= 556513 (div .cse33 10)))))) (.cse4 (not (= 5 |old(~a2~0)|))) (.cse16 (and .cse0 .cse24 .cse27 .cse1)) (.cse25 (or (< |old(~a2~0)| 2) .cse31 (exists ((v_prenex_11 Int)) (let ((.cse32 (* 9 v_prenex_11))) (and (<= 0 .cse32) (<= v_prenex_11 |old(~a0~0)|) (<= 588731 (div .cse32 10))))) .cse5 .cse19)) (.cse21 (not .cse31)) (.cse22 (= 3 ~a2~0)) (.cse3 (< 0 .cse30)) (.cse6 (< 0 (+ |old(~a0~0)| 107))) (.cse17 (forall ((v_prenex_21 Int)) (or (< (mod (+ v_prenex_21 43614) 299928) (+ |old(~a29~0)| 300071)) (< v_prenex_21 556242)))) (.cse7 (or .cse10 .cse18))) (and (or (and (and .cse0 (= 4 ~a2~0)) .cse1) (or .cse2 (< |old(~a29~0)| 44) .cse3)) (or .cse4 .cse5 .cse3 (and .cse0 .cse1 (= 5 ~a2~0))) (or .cse6 .cse7 (and .cse0 .cse8 .cse9)) (or .cse10 (and .cse0 .cse8 .cse11 .cse1) .cse3 .cse12) (or .cse2 .cse13 .cse14 .cse5 .cse15) (or .cse16 .cse13 .cse17 .cse18 .cse19) (or (or (or .cse20 .cse5) .cse13 .cse21) (and (and .cse0 .cse22) .cse1)) (or .cse10 .cse2 .cse6 .cse23) (or (or .cse5 .cse18) (and (and .cse0 .cse9) .cse1) .cse3) (or .cse10 .cse6 .cse4 .cse23) (or (or .cse10 .cse5) .cse12 (and (and .cse24 .cse8) .cse0 .cse1)) (or .cse13 .cse16 .cse25 (< 4 |old(~a2~0)|)) (or .cse26 (and .cse24 .cse0 .cse27 .cse1) .cse19) (or .cse2 .cse20 .cse13 .cse19 .cse16) (or .cse26 .cse10 .cse14 .cse5 (and .cse0 .cse8 .cse1 .cse22) .cse21) (or .cse13 (and .cse0 (or (<= .cse28 0) .cse19) .cse11 .cse1) .cse5 .cse12) (or .cse13 .cse19 .cse21 (and .cse0 .cse27 .cse1 .cse22)) (or .cse26 .cse10 .cse4 .cse14 .cse23 .cse5) (or (not (= 0 (+ |old(~a29~0)| 127))) (= |calculate_output_#in~input| 0) (not (= 0 .cse29)) (= (+ ~a4~0 89) 0) .cse12 (not (= 0 (+ |old(~a4~0)| 89)))) (or (or .cse26 .cse2 .cse14) .cse15) (or .cse13 .cse4 .cse16 .cse25) (or .cse21 (and .cse0 .cse1 .cse22) .cse3) (or .cse6 .cse17 .cse7 .cse1))))) [2018-11-23 13:01:15,340 INFO L448 ceAbstractionStarter]: For program point L456(lines 456 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,340 INFO L448 ceAbstractionStarter]: For program point L390(lines 390 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,340 INFO L448 ceAbstractionStarter]: For program point L1249(lines 1249 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,340 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 23 1656) no Hoare annotation was computed. [2018-11-23 13:01:15,340 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 23 1656) no Hoare annotation was computed. [2018-11-23 13:01:15,340 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 23 1656) no Hoare annotation was computed. [2018-11-23 13:01:15,340 INFO L448 ceAbstractionStarter]: For program point L985(lines 985 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,340 INFO L448 ceAbstractionStarter]: For program point L919(lines 919 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,340 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 402) no Hoare annotation was computed. [2018-11-23 13:01:15,340 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 391 402) no Hoare annotation was computed. [2018-11-23 13:01:15,340 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-23 13:01:15,340 INFO L448 ceAbstractionStarter]: For program point L1184(lines 1184 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,340 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-23 13:01:15,341 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-23 13:01:15,341 INFO L448 ceAbstractionStarter]: For program point L1647(lines 1647 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,341 INFO L448 ceAbstractionStarter]: For program point L1449(lines 1449 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,341 INFO L448 ceAbstractionStarter]: For program point L1317(lines 1317 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,341 INFO L448 ceAbstractionStarter]: For program point L260(lines 260 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,341 INFO L448 ceAbstractionStarter]: For program point L855(lines 855 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,341 INFO L448 ceAbstractionStarter]: For program point L657(lines 657 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,341 INFO L448 ceAbstractionStarter]: For program point L1582(lines 1582 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,341 INFO L448 ceAbstractionStarter]: For program point L1516(lines 1516 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,341 INFO L448 ceAbstractionStarter]: For program point L327(lines 327 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,341 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 23 1656) no Hoare annotation was computed. [2018-11-23 13:01:15,341 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 23 1656) no Hoare annotation was computed. [2018-11-23 13:01:15,341 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 23 1656) no Hoare annotation was computed. [2018-11-23 13:01:15,341 INFO L448 ceAbstractionStarter]: For program point L1385(lines 1385 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,341 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-23 13:01:15,341 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-23 13:01:15,341 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-23 13:01:15,341 INFO L448 ceAbstractionStarter]: For program point L725(lines 725 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,341 INFO L448 ceAbstractionStarter]: For program point L1122(lines 1122 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,341 INFO L448 ceAbstractionStarter]: For program point L594(lines 594 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,342 INFO L448 ceAbstractionStarter]: For program point L462(lines 462 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,342 INFO L448 ceAbstractionStarter]: For program point L1321(lines 1321 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,342 INFO L448 ceAbstractionStarter]: For program point L1255(lines 1255 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,342 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 23 1656) no Hoare annotation was computed. [2018-11-23 13:01:15,342 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 23 1656) no Hoare annotation was computed. [2018-11-23 13:01:15,342 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 23 1656) no Hoare annotation was computed. [2018-11-23 13:01:15,342 INFO L448 ceAbstractionStarter]: For program point L925(lines 925 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,342 INFO L448 ceAbstractionStarter]: For program point L793(lines 793 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,342 INFO L448 ceAbstractionStarter]: For program point L595(lines 595 605) no Hoare annotation was computed. [2018-11-23 13:01:15,342 INFO L448 ceAbstractionStarter]: For program point L529(lines 529 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,342 INFO L448 ceAbstractionStarter]: For program point L595-2(lines 595 605) no Hoare annotation was computed. [2018-11-23 13:01:15,342 INFO L448 ceAbstractionStarter]: For program point L1388(lines 1388 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,342 INFO L448 ceAbstractionStarter]: For program point L1322(lines 1322 1332) no Hoare annotation was computed. [2018-11-23 13:01:15,342 INFO L448 ceAbstractionStarter]: For program point L1322-2(lines 1322 1332) no Hoare annotation was computed. [2018-11-23 13:01:15,342 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-23 13:01:15,343 INFO L448 ceAbstractionStarter]: For program point L1190(lines 1190 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,343 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-23 13:01:15,343 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-23 13:01:15,343 INFO L448 ceAbstractionStarter]: For program point L992(lines 992 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,343 INFO L448 ceAbstractionStarter]: For program point L794(lines 794 803) no Hoare annotation was computed. [2018-11-23 13:01:15,343 INFO L448 ceAbstractionStarter]: For program point L794-2(lines 794 803) no Hoare annotation was computed. [2018-11-23 13:01:15,343 INFO L448 ceAbstractionStarter]: For program point L662(lines 662 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,343 INFO L448 ceAbstractionStarter]: For program point L530(lines 530 541) no Hoare annotation was computed. [2018-11-23 13:01:15,343 INFO L448 ceAbstractionStarter]: For program point L530-2(lines 530 541) no Hoare annotation was computed. [2018-11-23 13:01:15,343 INFO L448 ceAbstractionStarter]: For program point L266(lines 266 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,343 INFO L448 ceAbstractionStarter]: For program point L1522(lines 1522 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,343 INFO L448 ceAbstractionStarter]: For program point L1456(lines 1456 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,343 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,343 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 23 1656) no Hoare annotation was computed. [2018-11-23 13:01:15,344 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 23 1656) no Hoare annotation was computed. [2018-11-23 13:01:15,344 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 23 1656) no Hoare annotation was computed. [2018-11-23 13:01:15,344 INFO L448 ceAbstractionStarter]: For program point L862(lines 862 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,344 INFO L444 ceAbstractionStarter]: At program point L1655(line 1655) the Hoare annotation is: (let ((.cse12 (= 3 ~a2~0)) (.cse26 (+ |old(~a0~0)| 98)) (.cse25 (+ |old(~a0~0)| 44)) (.cse0 (= ~a29~0 |old(~a29~0)|)) (.cse4 (= |old(~a2~0)| ~a2~0)) (.cse6 (< (+ ~a4~0 85) 0)) (.cse1 (= ~a0~0 |old(~a0~0)|)) (.cse27 (= 3 |old(~a2~0)|)) (.cse16 (<= (+ |old(~a29~0)| 144) 0)) (.cse13 (<= 0 (+ |old(~a4~0)| 85)))) (let ((.cse8 (not (= 5 |old(~a2~0)|))) (.cse9 (or (< |old(~a2~0)| 2) .cse27 (exists ((v_prenex_11 Int)) (let ((.cse29 (* 9 v_prenex_11))) (and (<= 0 .cse29) (<= v_prenex_11 |old(~a0~0)|) (<= 588731 (div .cse29 10))))) .cse16 .cse13)) (.cse18 (not (= 2 |old(~a2~0)|))) (.cse17 (and .cse0 .cse4 .cse6 .cse1)) (.cse19 (< .cse25 0)) (.cse5 (<= (+ ~a0~0 61) 0)) (.cse11 (< 0 (+ |old(~a0~0)| 107))) (.cse23 (+ ~a4~0 86)) (.cse22 (= 1 ~a2~0)) (.cse7 (exists ((v_~a0~0_1001 Int)) (let ((.cse28 (* 9 v_~a0~0_1001))) (and (<= 0 .cse28) (<= v_~a0~0_1001 |old(~a0~0)|) (<= 556513 (div .cse28 10)))))) (.cse2 (not (= 4 |old(~a2~0)|))) (.cse20 (<= .cse26 0)) (.cse10 (and .cse0 .cse4 .cse1)) (.cse15 (< 0 (+ |old(~a0~0)| 61))) (.cse14 (not .cse27)) (.cse24 (and .cse0 .cse1 .cse12)) (.cse3 (< 0 .cse26)) (.cse21 (not (= |old(~a2~0)| 1)))) (and (or (and (and .cse0 (= 4 ~a2~0)) .cse1) (or .cse2 (< |old(~a29~0)| 44) .cse3)) (or (and .cse0 .cse4 (or (not (= calculate_output_~input 6)) (<= ~a29~0 43) .cse5) .cse6 .cse1) .cse7 .cse8 .cse9) (or .cse10 .cse11 .cse8) (or (and .cse0 .cse6 .cse1 .cse12) .cse7 .cse13 .cse14) (or .cse15 .cse8 .cse10 .cse16) (or .cse7 .cse17 (forall ((v_prenex_21 Int)) (or (< (mod (+ v_prenex_21 43614) 299928) (+ |old(~a29~0)| 300071)) (< v_prenex_21 556242))) .cse18 .cse13) (or (or .cse16 .cse18) (and (and .cse0 (= 2 ~a2~0)) .cse1) .cse3) (or .cse7 .cse17 .cse9 (< 4 |old(~a2~0)|)) (or .cse11 .cse18 (and .cse4 .cse0 .cse1)) (or .cse17 .cse2 .cse19 .cse7 .cse13) (or .cse2 .cse7 .cse20 .cse10 .cse16) (or (and (and .cse4 .cse0) .cse1) (or (or .cse19 .cse16) .cse7 .cse14)) (or .cse21 (and .cse0 .cse22 .cse1) .cse3) (or .cse15 (and .cse4 .cse0 .cse6 .cse1) .cse13) (or (or (<= (+ |old(~a4~0)| 86) 0) .cse16) (and .cse1 (and (or (< 0 .cse23) .cse5) .cse0 (= ~a2~0 |old(~a2~0)|))) .cse21) (or .cse2 .cse11 .cse10) (or (and .cse0 (or (<= .cse23 0) .cse13) .cse22 .cse1) .cse7 .cse16 .cse21) (or (or .cse15 .cse2 .cse20) .cse10) (or .cse15 .cse16 .cse24 .cse14) (or .cse14 .cse24 .cse3) (or (not (= 0 (+ |old(~a29~0)| 127))) (= |calculate_output_#in~input| 0) (not (= 0 .cse25)) .cse21 (not (= 0 (+ |old(~a4~0)| 89))) (and (not (= calculate_output_~input 0)) (= (+ ~a4~0 89) 0)))))) [2018-11-23 13:01:15,344 INFO L448 ceAbstractionStarter]: For program point L1655-1(line 1655) no Hoare annotation was computed. [2018-11-23 13:01:15,344 INFO L448 ceAbstractionStarter]: For program point L1589(lines 1589 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,344 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-23 13:01:15,345 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-23 13:01:15,345 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-23 13:01:15,345 INFO L448 ceAbstractionStarter]: For program point L1128(lines 1128 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,345 INFO L448 ceAbstractionStarter]: For program point L1062(lines 1062 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,345 INFO L448 ceAbstractionStarter]: For program point L930(lines 930 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,345 INFO L448 ceAbstractionStarter]: For program point L732(lines 732 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,345 INFO L448 ceAbstractionStarter]: For program point L468(lines 468 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,345 INFO L448 ceAbstractionStarter]: For program point L336(lines 336 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,345 INFO L448 ceAbstractionStarter]: For program point L1261(lines 1261 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,345 INFO L448 ceAbstractionStarter]: For program point L204-1(lines 23 1656) no Hoare annotation was computed. [2018-11-23 13:01:15,345 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 23 1656) no Hoare annotation was computed. [2018-11-23 13:01:15,345 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 23 1656) no Hoare annotation was computed. [2018-11-23 13:01:15,345 INFO L448 ceAbstractionStarter]: For program point L1063(lines 1063 1073) no Hoare annotation was computed. [2018-11-23 13:01:15,345 INFO L448 ceAbstractionStarter]: For program point L1063-2(lines 1063 1073) no Hoare annotation was computed. [2018-11-23 13:01:15,346 INFO L448 ceAbstractionStarter]: For program point L403(lines 403 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,346 INFO L448 ceAbstractionStarter]: For program point L1394(lines 1394 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,346 INFO L448 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2018-11-23 13:01:15,346 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-23 13:01:15,346 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-23 13:01:15,346 INFO L448 ceAbstractionStarter]: For program point L998(lines 998 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,346 INFO L448 ceAbstractionStarter]: For program point L668(lines 668 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,346 INFO L448 ceAbstractionStarter]: For program point L1461(lines 1461 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,346 INFO L448 ceAbstractionStarter]: For program point L1395(lines 1395 1407) no Hoare annotation was computed. [2018-11-23 13:01:15,346 INFO L448 ceAbstractionStarter]: For program point L1395-2(lines 1395 1407) no Hoare annotation was computed. [2018-11-23 13:01:15,346 INFO L448 ceAbstractionStarter]: For program point L1197(lines 1197 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,346 INFO L448 ceAbstractionStarter]: For program point L735(lines 735 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,346 INFO L448 ceAbstractionStarter]: For program point L1528(lines 1528 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,346 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,347 INFO L448 ceAbstractionStarter]: For program point L1264(lines 1264 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,347 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 23 1656) no Hoare annotation was computed. [2018-11-23 13:01:15,347 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 23 1656) no Hoare annotation was computed. [2018-11-23 13:01:15,347 INFO L448 ceAbstractionStarter]: For program point L868(lines 868 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,347 INFO L448 ceAbstractionStarter]: For program point L1595(lines 1595 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,347 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-23 13:01:15,347 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-23 13:01:15,347 INFO L448 ceAbstractionStarter]: For program point L935(lines 935 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,347 INFO L448 ceAbstractionStarter]: For program point L341(lines 341 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,347 INFO L448 ceAbstractionStarter]: For program point L1134(lines 1134 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,347 INFO L448 ceAbstractionStarter]: For program point L804(lines 804 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,347 INFO L448 ceAbstractionStarter]: For program point L606(lines 606 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,347 INFO L448 ceAbstractionStarter]: For program point L474(lines 474 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,347 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,348 INFO L448 ceAbstractionStarter]: For program point L342(lines 342 349) no Hoare annotation was computed. [2018-11-23 13:01:15,348 INFO L448 ceAbstractionStarter]: For program point L1333(lines 1333 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,348 INFO L448 ceAbstractionStarter]: For program point L342-2(lines 342 349) no Hoare annotation was computed. [2018-11-23 13:01:15,348 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 23 1656) no Hoare annotation was computed. [2018-11-23 13:01:15,348 INFO L448 ceAbstractionStarter]: For program point L1135(lines 1135 1144) no Hoare annotation was computed. [2018-11-23 13:01:15,348 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 23 1656) no Hoare annotation was computed. [2018-11-23 13:01:15,348 INFO L448 ceAbstractionStarter]: For program point L1135-2(lines 1135 1144) no Hoare annotation was computed. [2018-11-23 13:01:15,348 INFO L448 ceAbstractionStarter]: For program point L1466(lines 1466 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,348 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-23 13:01:15,348 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-23 13:01:15,348 INFO L448 ceAbstractionStarter]: For program point L1004(lines 1004 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,348 INFO L448 ceAbstractionStarter]: For program point L542(lines 542 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,348 INFO L448 ceAbstractionStarter]: For program point L1533(lines 1533 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,349 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,349 INFO L448 ceAbstractionStarter]: For program point L1203(lines 1203 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,349 INFO L448 ceAbstractionStarter]: For program point L675(lines 675 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,349 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 23 1656) no Hoare annotation was computed. [2018-11-23 13:01:15,349 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 23 1656) no Hoare annotation was computed. [2018-11-23 13:01:15,349 INFO L448 ceAbstractionStarter]: For program point L874(lines 874 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,349 INFO L448 ceAbstractionStarter]: For program point L742(lines 742 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,349 INFO L448 ceAbstractionStarter]: For program point L1271(lines 1271 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,349 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,349 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-23 13:01:15,349 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-23 13:01:15,349 INFO L448 ceAbstractionStarter]: For program point L1602(lines 1602 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,349 INFO L448 ceAbstractionStarter]: For program point L479(lines 479 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,349 INFO L448 ceAbstractionStarter]: For program point L1338(lines 1338 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,350 INFO L448 ceAbstractionStarter]: For program point L1074(lines 1074 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,350 INFO L448 ceAbstractionStarter]: For program point L942(lines 942 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,350 INFO L448 ceAbstractionStarter]: For program point L546(lines 546 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,350 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 23 1656) no Hoare annotation was computed. [2018-11-23 13:01:15,350 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 23 1656) no Hoare annotation was computed. [2018-11-23 13:01:15,350 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 23 1656) no Hoare annotation was computed. [2018-11-23 13:01:15,350 INFO L448 ceAbstractionStarter]: For program point L811(lines 811 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,350 INFO L448 ceAbstractionStarter]: For program point L613(lines 613 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,350 INFO L448 ceAbstractionStarter]: For program point L547(lines 547 556) no Hoare annotation was computed. [2018-11-23 13:01:15,350 INFO L448 ceAbstractionStarter]: For program point L547-2(lines 547 556) no Hoare annotation was computed. [2018-11-23 13:01:15,350 INFO L448 ceAbstractionStarter]: For program point L415(lines 415 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,350 INFO L448 ceAbstractionStarter]: For program point L1208(lines 1208 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,350 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-23 13:01:15,350 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-23 13:01:15,350 INFO L448 ceAbstractionStarter]: For program point L1473(lines 1473 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,351 INFO L448 ceAbstractionStarter]: For program point L350(lines 350 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,351 INFO L448 ceAbstractionStarter]: For program point L1011(lines 1011 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,351 INFO L448 ceAbstractionStarter]: For program point L681(lines 681 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,351 INFO L448 ceAbstractionStarter]: For program point L1606(lines 1606 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,351 INFO L448 ceAbstractionStarter]: For program point L1540(lines 1540 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,351 INFO L448 ceAbstractionStarter]: For program point L1408(lines 1408 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,351 INFO L448 ceAbstractionStarter]: For program point L285(lines 285 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,351 INFO L448 ceAbstractionStarter]: For program point L219(lines 219 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,351 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 23 1656) no Hoare annotation was computed. [2018-11-23 13:01:15,351 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 23 1656) no Hoare annotation was computed. [2018-11-23 13:01:15,351 INFO L448 ceAbstractionStarter]: For program point L880(lines 880 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,351 INFO L448 ceAbstractionStarter]: For program point L748(lines 748 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,351 INFO L448 ceAbstractionStarter]: For program point L1277(lines 1277 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,351 INFO L448 ceAbstractionStarter]: For program point L220(lines 220 228) no Hoare annotation was computed. [2018-11-23 13:01:15,351 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-23 13:01:15,351 INFO L448 ceAbstractionStarter]: For program point L220-2(lines 220 228) no Hoare annotation was computed. [2018-11-23 13:01:15,351 INFO L448 ceAbstractionStarter]: For program point L1145(lines 1145 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,351 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-23 13:01:15,352 INFO L448 ceAbstractionStarter]: For program point L1344(lines 1344 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,352 INFO L448 ceAbstractionStarter]: For program point L1212(lines 1212 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,352 INFO L448 ceAbstractionStarter]: For program point L948(lines 948 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,352 INFO L448 ceAbstractionStarter]: For program point L486(lines 486 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,352 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 23 1656) no Hoare annotation was computed. [2018-11-23 13:01:15,352 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 23 1656) no Hoare annotation was computed. [2018-11-23 13:01:15,352 INFO L448 ceAbstractionStarter]: For program point L1081(lines 1081 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,352 INFO L448 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2018-11-23 13:01:15,352 INFO L448 ceAbstractionStarter]: For program point L24-2(lines 23 1656) no Hoare annotation was computed. [2018-11-23 13:01:15,352 INFO L448 ceAbstractionStarter]: For program point L817(lines 817 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,352 INFO L448 ceAbstractionStarter]: For program point L1478(lines 1478 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,352 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,352 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-23 13:01:15,352 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-23 13:01:15,352 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-23 13:01:15,352 INFO L448 ceAbstractionStarter]: For program point L1016(lines 1016 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,352 INFO L448 ceAbstractionStarter]: For program point L620(lines 620 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,352 INFO L448 ceAbstractionStarter]: For program point L422(lines 422 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,352 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 169) no Hoare annotation was computed. [2018-11-23 13:01:15,352 INFO L448 ceAbstractionStarter]: For program point L1413(lines 1413 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,352 INFO L448 ceAbstractionStarter]: For program point L885(lines 885 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,352 INFO L448 ceAbstractionStarter]: For program point L687(lines 687 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,352 INFO L448 ceAbstractionStarter]: For program point L1612(lines 1612 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,352 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 23 1656) no Hoare annotation was computed. [2018-11-23 13:01:15,352 INFO L448 ceAbstractionStarter]: For program point L1150(lines 1150 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,353 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 23 1656) no Hoare annotation was computed. [2018-11-23 13:01:15,353 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 23 1656) no Hoare annotation was computed. [2018-11-23 13:01:15,353 INFO L448 ceAbstractionStarter]: For program point L886(lines 886 894) no Hoare annotation was computed. [2018-11-23 13:01:15,353 INFO L448 ceAbstractionStarter]: For program point L886-2(lines 886 894) no Hoare annotation was computed. [2018-11-23 13:01:15,353 INFO L448 ceAbstractionStarter]: For program point L754(lines 754 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,353 INFO L448 ceAbstractionStarter]: For program point L1613(lines 1613 1622) no Hoare annotation was computed. [2018-11-23 13:01:15,353 INFO L448 ceAbstractionStarter]: For program point L1547(lines 1547 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,353 INFO L448 ceAbstractionStarter]: For program point L1613-2(lines 1613 1622) no Hoare annotation was computed. [2018-11-23 13:01:15,353 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,353 INFO L448 ceAbstractionStarter]: For program point L1283(lines 1283 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,353 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-23 13:01:15,353 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-23 13:01:15,353 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-23 13:01:15,353 INFO L448 ceAbstractionStarter]: For program point L1019(lines 1019 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,353 INFO L448 ceAbstractionStarter]: For program point L557(lines 557 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,353 INFO L448 ceAbstractionStarter]: For program point L491(lines 491 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,353 INFO L448 ceAbstractionStarter]: For program point L1482(lines 1482 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,353 INFO L448 ceAbstractionStarter]: For program point L1350(lines 1350 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,353 INFO L448 ceAbstractionStarter]: For program point L1218(lines 1218 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,353 INFO L448 ceAbstractionStarter]: For program point L1086(lines 1086 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,353 INFO L448 ceAbstractionStarter]: For program point L558(lines 558 568) no Hoare annotation was computed. [2018-11-23 13:01:15,353 INFO L448 ceAbstractionStarter]: For program point L558-2(lines 558 568) no Hoare annotation was computed. [2018-11-23 13:01:15,353 INFO L448 ceAbstractionStarter]: For program point L1351(lines 1351 1358) no Hoare annotation was computed. [2018-11-23 13:01:15,353 INFO L448 ceAbstractionStarter]: For program point L1351-2(lines 1351 1358) no Hoare annotation was computed. [2018-11-23 13:01:15,353 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 23 1656) no Hoare annotation was computed. [2018-11-23 13:01:15,353 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 23 1656) no Hoare annotation was computed. [2018-11-23 13:01:15,353 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 23 1656) no Hoare annotation was computed. [2018-11-23 13:01:15,354 INFO L448 ceAbstractionStarter]: For program point L955(lines 955 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,354 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,354 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,354 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-23 13:01:15,354 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-23 13:01:15,354 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-23 13:01:15,354 INFO L448 ceAbstractionStarter]: For program point L824(lines 824 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,354 INFO L448 ceAbstractionStarter]: For program point L428(lines 428 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,354 INFO L448 ceAbstractionStarter]: For program point L1419(lines 1419 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,354 INFO L448 ceAbstractionStarter]: For program point L693(lines 693 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,354 INFO L448 ceAbstractionStarter]: For program point L627(lines 627 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,354 INFO L448 ceAbstractionStarter]: For program point L1420(lines 1420 1430) no Hoare annotation was computed. [2018-11-23 13:01:15,354 INFO L448 ceAbstractionStarter]: For program point L1420-2(lines 1420 1430) no Hoare annotation was computed. [2018-11-23 13:01:15,354 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 23 1656) no Hoare annotation was computed. [2018-11-23 13:01:15,354 INFO L448 ceAbstractionStarter]: For program point L1156(lines 1156 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,354 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 23 1656) no Hoare annotation was computed. [2018-11-23 13:01:15,354 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 23 1656) no Hoare annotation was computed. [2018-11-23 13:01:15,354 INFO L448 ceAbstractionStarter]: For program point L694(lines 694 706) no Hoare annotation was computed. [2018-11-23 13:01:15,354 INFO L448 ceAbstractionStarter]: For program point L694-2(lines 694 706) no Hoare annotation was computed. [2018-11-23 13:01:15,354 INFO L448 ceAbstractionStarter]: For program point L1289(lines 1289 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,354 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-23 13:01:15,354 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-23 13:01:15,354 INFO L448 ceAbstractionStarter]: For program point L1091(lines 1091 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,354 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-23 13:01:15,354 INFO L448 ceAbstractionStarter]: For program point L959(lines 959 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,354 INFO L448 ceAbstractionStarter]: For program point L761(lines 761 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,354 INFO L448 ceAbstractionStarter]: For program point L1554(lines 1554 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,354 INFO L448 ceAbstractionStarter]: For program point L497(lines 497 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,355 INFO L448 ceAbstractionStarter]: For program point L1488(lines 1488 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,355 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,355 INFO L448 ceAbstractionStarter]: For program point L1290(lines 1290 1299) no Hoare annotation was computed. [2018-11-23 13:01:15,355 INFO L448 ceAbstractionStarter]: For program point L1224(lines 1224 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,355 INFO L448 ceAbstractionStarter]: For program point L1290-2(lines 1290 1299) no Hoare annotation was computed. [2018-11-23 13:01:15,355 INFO L448 ceAbstractionStarter]: For program point L1026(lines 1026 1654) no Hoare annotation was computed. [2018-11-23 13:01:15,355 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 13:01:15,355 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= (+ ~a0~0 44) 0) (= (+ ~a4~0 89) 0) (= 1 ~a2~0) (= (+ ~a29~0 127) 0)) [2018-11-23 13:01:15,355 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 13:01:15,355 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 13:01:15,355 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 1760 1776) the Hoare annotation is: (or (not (= 0 (+ |old(~a29~0)| 127))) (not (= 0 (+ |old(~a0~0)| 44))) (not (= |old(~a2~0)| 1)) (not (= 0 (+ |old(~a4~0)| 89))) (and (= (+ ~a4~0 89) 0) (= 1 ~a2~0) (= ~a0~0 |old(~a0~0)|) (= (+ ~a29~0 127) 0))) [2018-11-23 13:01:15,355 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 1760 1776) no Hoare annotation was computed. [2018-11-23 13:01:15,355 INFO L444 ceAbstractionStarter]: At program point L1774(line 1774) the Hoare annotation is: (let ((.cse14 (+ ~a0~0 98))) (let ((.cse9 (= 1 ~a2~0)) (.cse4 (= 3 ~a2~0)) (.cse8 (< 0 .cse14)) (.cse5 (<= (+ ~a0~0 61) 0)) (.cse12 (<= 0 (+ ~a0~0 44))) (.cse6 (<= .cse14 0)) (.cse7 (= 4 ~a2~0)) (.cse1 (= 2 ~a2~0)) (.cse0 (forall ((v_~a0~0_1001 Int)) (let ((.cse13 (* 9 v_~a0~0_1001))) (or (< (div .cse13 10) 556513) (< .cse13 0) (< ~a0~0 v_~a0~0_1001))))) (.cse3 (< 0 (+ ~a29~0 144))) (.cse2 (< (+ ~a4~0 85) 0)) (.cse11 (= 5 ~a2~0)) (.cse10 (<= (+ ~a0~0 107) 0))) (or (and .cse0 .cse1 .cse2) (and (and .cse3 .cse4) .cse5) (and .cse6 .cse3 .cse1) (not (= 0 (+ |old(~a0~0)| 44))) (and .cse0 .cse7 .cse3 .cse8) (and (and .cse3 (< 0 (+ ~a4~0 86))) .cse9) (and .cse0 .cse2 .cse4) (and .cse6 .cse9) (and .cse0 .cse3 .cse9) (and .cse2 .cse5) (not (= 0 (+ |old(~a4~0)| 89))) (and .cse6 .cse4) (and .cse7 .cse10) (and .cse11 .cse5 .cse3) (and .cse0 (and .cse3 .cse12) .cse4) (not (= 0 (+ |old(~a29~0)| 127))) (and (and .cse8 .cse7) .cse5) (and .cse0 .cse12 .cse7 .cse2) (and .cse6 .cse7 (<= 44 ~a29~0)) (and .cse1 .cse10) (and .cse0 .cse11 .cse3 .cse2) (not (= |old(~a2~0)| 1)) (and .cse11 .cse10)))) [2018-11-23 13:01:15,355 INFO L448 ceAbstractionStarter]: For program point L1774-1(line 1774) no Hoare annotation was computed. [2018-11-23 13:01:15,355 INFO L448 ceAbstractionStarter]: For program point L1771(line 1771) no Hoare annotation was computed. [2018-11-23 13:01:15,355 INFO L444 ceAbstractionStarter]: At program point L1766-2(lines 1766 1775) the Hoare annotation is: (let ((.cse14 (+ ~a0~0 98))) (let ((.cse8 (= 1 ~a2~0)) (.cse1 (= 3 ~a2~0)) (.cse7 (< 0 .cse14)) (.cse2 (<= (+ ~a0~0 61) 0)) (.cse12 (<= 0 (+ ~a0~0 44))) (.cse3 (<= .cse14 0)) (.cse6 (= 4 ~a2~0)) (.cse4 (= 2 ~a2~0)) (.cse5 (forall ((v_~a0~0_1001 Int)) (let ((.cse13 (* 9 v_~a0~0_1001))) (or (< (div .cse13 10) 556513) (< .cse13 0) (< ~a0~0 v_~a0~0_1001))))) (.cse0 (< 0 (+ ~a29~0 144))) (.cse9 (< (+ ~a4~0 85) 0)) (.cse11 (= 5 ~a2~0)) (.cse10 (<= (+ ~a0~0 107) 0))) (or (and (and .cse0 .cse1) .cse2) (and .cse3 .cse0 .cse4) (not (= 0 (+ |old(~a0~0)| 44))) (and .cse5 .cse6 .cse0 .cse7) (and (and .cse0 (< 0 (+ ~a4~0 86))) .cse8) (and .cse5 .cse9 .cse1) (and .cse3 .cse8) (and .cse5 .cse0 .cse8) (and .cse9 .cse2) (not (= 0 (+ |old(~a4~0)| 89))) (and .cse5 .cse4 .cse9) (and .cse3 .cse1) (and .cse6 .cse10) (and .cse11 .cse2 .cse0) (and .cse5 (and .cse0 .cse12) .cse1) (not (= 0 (+ |old(~a29~0)| 127))) (and (and .cse7 .cse6) .cse2) (and .cse5 .cse12 .cse6 .cse9) (and .cse3 .cse6 (<= 44 ~a29~0)) (and .cse4 .cse10) (and .cse5 .cse11 .cse0 .cse9) (not (= |old(~a2~0)| 1)) (and .cse11 .cse10)))) [2018-11-23 13:01:15,356 INFO L448 ceAbstractionStarter]: For program point L1766-3(lines 1760 1776) no Hoare annotation was computed. [2018-11-23 13:01:15,360 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-11-23 13:01:15,361 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-11-23 13:01:15,361 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-11-23 13:01:15,361 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-11-23 13:01:15,361 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-11-23 13:01:15,361 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-11-23 13:01:15,362 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-11-23 13:01:15,362 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-11-23 13:01:15,362 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-11-23 13:01:15,362 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-11-23 13:01:15,362 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-11-23 13:01:15,363 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-11-23 13:01:15,363 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-11-23 13:01:15,363 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-11-23 13:01:15,363 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-11-23 13:01:15,364 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-11-23 13:01:15,364 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-11-23 13:01:15,364 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-11-23 13:01:15,364 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-11-23 13:01:15,364 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-11-23 13:01:15,364 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-11-23 13:01:15,369 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-11-23 13:01:15,370 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-11-23 13:01:15,370 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-11-23 13:01:15,370 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-11-23 13:01:15,370 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-11-23 13:01:15,371 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-11-23 13:01:15,371 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-11-23 13:01:15,371 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-11-23 13:01:15,371 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-11-23 13:01:15,372 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-11-23 13:01:15,372 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-11-23 13:01:15,372 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-11-23 13:01:15,372 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-11-23 13:01:15,372 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-11-23 13:01:15,373 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-11-23 13:01:15,373 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-11-23 13:01:15,373 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-11-23 13:01:15,373 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-11-23 13:01:15,375 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-11-23 13:01:15,375 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-11-23 13:01:15,376 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-11-23 13:01:15,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:01:15 BoogieIcfgContainer [2018-11-23 13:01:15,378 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 13:01:15,378 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 13:01:15,378 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 13:01:15,379 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 13:01:15,379 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:58:27" (3/4) ... [2018-11-23 13:01:15,382 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 13:01:15,388 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 13:01:15,389 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output2 [2018-11-23 13:01:15,389 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 13:01:15,389 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 13:01:15,424 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-23 13:01:15,426 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 13:01:15,453 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((((0 < a29 + 144 && 3 == a2) && a0 + 61 <= 0) || ((a0 + 98 <= 0 && 0 < a29 + 144) && 2 == a2)) || !(0 == \old(a0) + 44)) || ((((forall v_~a0~0_1001 : int :: (9 * v_~a0~0_1001 / 10 < 556513 || 9 * v_~a0~0_1001 < 0) || a0 < v_~a0~0_1001) && 4 == a2) && 0 < a29 + 144) && 0 < a0 + 98)) || ((0 < a29 + 144 && 0 < a4 + 86) && 1 == a2)) || (((forall v_~a0~0_1001 : int :: (9 * v_~a0~0_1001 / 10 < 556513 || 9 * v_~a0~0_1001 < 0) || a0 < v_~a0~0_1001) && a4 + 85 < 0) && 3 == a2)) || (a0 + 98 <= 0 && 1 == a2)) || (((forall v_~a0~0_1001 : int :: (9 * v_~a0~0_1001 / 10 < 556513 || 9 * v_~a0~0_1001 < 0) || a0 < v_~a0~0_1001) && 0 < a29 + 144) && 1 == a2)) || (a4 + 85 < 0 && a0 + 61 <= 0)) || !(0 == \old(a4) + 89)) || (((forall v_~a0~0_1001 : int :: (9 * v_~a0~0_1001 / 10 < 556513 || 9 * v_~a0~0_1001 < 0) || a0 < v_~a0~0_1001) && 2 == a2) && a4 + 85 < 0)) || (a0 + 98 <= 0 && 3 == a2)) || (4 == a2 && a0 + 107 <= 0)) || ((5 == a2 && a0 + 61 <= 0) && 0 < a29 + 144)) || (((forall v_~a0~0_1001 : int :: (9 * v_~a0~0_1001 / 10 < 556513 || 9 * v_~a0~0_1001 < 0) || a0 < v_~a0~0_1001) && 0 < a29 + 144 && 0 <= a0 + 44) && 3 == a2)) || !(0 == \old(a29) + 127)) || ((0 < a0 + 98 && 4 == a2) && a0 + 61 <= 0)) || ((((forall v_~a0~0_1001 : int :: (9 * v_~a0~0_1001 / 10 < 556513 || 9 * v_~a0~0_1001 < 0) || a0 < v_~a0~0_1001) && 0 <= a0 + 44) && 4 == a2) && a4 + 85 < 0)) || ((a0 + 98 <= 0 && 4 == a2) && 44 <= a29)) || (2 == a2 && a0 + 107 <= 0)) || ((((forall v_~a0~0_1001 : int :: (9 * v_~a0~0_1001 / 10 < 556513 || 9 * v_~a0~0_1001 < 0) || a0 < v_~a0~0_1001) && 5 == a2) && 0 < a29 + 144) && a4 + 85 < 0)) || !(\old(a2) == 1)) || (5 == a2 && a0 + 107 <= 0) [2018-11-23 13:01:15,651 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a8503da8-a86b-4772-ba50-154009ebaee9/bin-2019/utaipan/witness.graphml [2018-11-23 13:01:15,652 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 13:01:15,652 INFO L168 Benchmark]: Toolchain (without parser) took 171077.95 ms. Allocated memory was 1.0 GB in the beginning and 5.0 GB in the end (delta: 4.0 GB). Free memory was 952.7 MB in the beginning and 1.8 GB in the end (delta: -831.2 MB). Peak memory consumption was 3.2 GB. Max. memory is 11.5 GB. [2018-11-23 13:01:15,653 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 13:01:15,653 INFO L168 Benchmark]: CACSL2BoogieTranslator took 757.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 200.8 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -197.0 MB). Peak memory consumption was 93.1 MB. Max. memory is 11.5 GB. [2018-11-23 13:01:15,653 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.85 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-23 13:01:15,654 INFO L168 Benchmark]: Boogie Preprocessor took 75.31 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: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 11.5 GB. [2018-11-23 13:01:15,654 INFO L168 Benchmark]: RCFGBuilder took 1757.16 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 76.5 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -104.7 MB). Peak memory consumption was 294.5 MB. Max. memory is 11.5 GB. [2018-11-23 13:01:15,654 INFO L168 Benchmark]: TraceAbstraction took 168178.08 ms. Allocated memory was 1.3 GB in the beginning and 5.0 GB in the end (delta: 3.7 GB). Free memory was 1.2 GB in the beginning and 1.9 GB in the end (delta: -622.7 MB). Peak memory consumption was 4.3 GB. Max. memory is 11.5 GB. [2018-11-23 13:01:15,654 INFO L168 Benchmark]: Witness Printer took 273.35 ms. Allocated memory is still 5.0 GB. Free memory was 1.9 GB in the beginning and 1.8 GB in the end (delta: 79.7 MB). Peak memory consumption was 79.7 MB. Max. memory is 11.5 GB. [2018-11-23 13:01:15,656 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 757.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 200.8 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -197.0 MB). Peak memory consumption was 93.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 32.85 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 75.31 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: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1757.16 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 76.5 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -104.7 MB). Peak memory consumption was 294.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 168178.08 ms. Allocated memory was 1.3 GB in the beginning and 5.0 GB in the end (delta: 3.7 GB). Free memory was 1.2 GB in the beginning and 1.9 GB in the end (delta: -622.7 MB). Peak memory consumption was 4.3 GB. Max. memory is 11.5 GB. * Witness Printer took 273.35 ms. Allocated memory is still 5.0 GB. Free memory was 1.9 GB in the beginning and 1.8 GB in the end (delta: 79.7 MB). Peak memory consumption was 79.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 169]: 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: 1766]: Loop Invariant [2018-11-23 13:01:15,660 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-11-23 13:01:15,660 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-11-23 13:01:15,660 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-11-23 13:01:15,660 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-11-23 13:01:15,661 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-11-23 13:01:15,661 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-11-23 13:01:15,661 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-11-23 13:01:15,661 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-11-23 13:01:15,661 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-11-23 13:01:15,662 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-11-23 13:01:15,662 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-11-23 13:01:15,662 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-11-23 13:01:15,662 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-11-23 13:01:15,662 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-11-23 13:01:15,662 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-11-23 13:01:15,663 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-11-23 13:01:15,663 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-11-23 13:01:15,663 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-11-23 13:01:15,663 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-11-23 13:01:15,663 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-11-23 13:01:15,663 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-11-23 13:01:15,664 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-11-23 13:01:15,664 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-11-23 13:01:15,664 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-11-23 13:01:15,665 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-11-23 13:01:15,665 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-11-23 13:01:15,665 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-11-23 13:01:15,665 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-11-23 13:01:15,665 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-11-23 13:01:15,666 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-11-23 13:01:15,666 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-11-23 13:01:15,666 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-11-23 13:01:15,666 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-11-23 13:01:15,666 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-11-23 13:01:15,666 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-11-23 13:01:15,667 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-11-23 13:01:15,667 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-11-23 13:01:15,667 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-11-23 13:01:15,667 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-11-23 13:01:15,667 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-11-23 13:01:15,667 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-11-23 13:01:15,667 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] Derived loop invariant: (((((((((((((((((((((((0 < a29 + 144 && 3 == a2) && a0 + 61 <= 0) || ((a0 + 98 <= 0 && 0 < a29 + 144) && 2 == a2)) || !(0 == \old(a0) + 44)) || ((((forall v_~a0~0_1001 : int :: (9 * v_~a0~0_1001 / 10 < 556513 || 9 * v_~a0~0_1001 < 0) || a0 < v_~a0~0_1001) && 4 == a2) && 0 < a29 + 144) && 0 < a0 + 98)) || ((0 < a29 + 144 && 0 < a4 + 86) && 1 == a2)) || (((forall v_~a0~0_1001 : int :: (9 * v_~a0~0_1001 / 10 < 556513 || 9 * v_~a0~0_1001 < 0) || a0 < v_~a0~0_1001) && a4 + 85 < 0) && 3 == a2)) || (a0 + 98 <= 0 && 1 == a2)) || (((forall v_~a0~0_1001 : int :: (9 * v_~a0~0_1001 / 10 < 556513 || 9 * v_~a0~0_1001 < 0) || a0 < v_~a0~0_1001) && 0 < a29 + 144) && 1 == a2)) || (a4 + 85 < 0 && a0 + 61 <= 0)) || !(0 == \old(a4) + 89)) || (((forall v_~a0~0_1001 : int :: (9 * v_~a0~0_1001 / 10 < 556513 || 9 * v_~a0~0_1001 < 0) || a0 < v_~a0~0_1001) && 2 == a2) && a4 + 85 < 0)) || (a0 + 98 <= 0 && 3 == a2)) || (4 == a2 && a0 + 107 <= 0)) || ((5 == a2 && a0 + 61 <= 0) && 0 < a29 + 144)) || (((forall v_~a0~0_1001 : int :: (9 * v_~a0~0_1001 / 10 < 556513 || 9 * v_~a0~0_1001 < 0) || a0 < v_~a0~0_1001) && 0 < a29 + 144 && 0 <= a0 + 44) && 3 == a2)) || !(0 == \old(a29) + 127)) || ((0 < a0 + 98 && 4 == a2) && a0 + 61 <= 0)) || ((((forall v_~a0~0_1001 : int :: (9 * v_~a0~0_1001 / 10 < 556513 || 9 * v_~a0~0_1001 < 0) || a0 < v_~a0~0_1001) && 0 <= a0 + 44) && 4 == a2) && a4 + 85 < 0)) || ((a0 + 98 <= 0 && 4 == a2) && 44 <= a29)) || (2 == a2 && a0 + 107 <= 0)) || ((((forall v_~a0~0_1001 : int :: (9 * v_~a0~0_1001 / 10 < 556513 || 9 * v_~a0~0_1001 < 0) || a0 < v_~a0~0_1001) && 5 == a2) && 0 < a29 + 144) && a4 + 85 < 0)) || !(\old(a2) == 1)) || (5 == a2 && a0 + 107 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 437 locations, 1 error locations. SAFE Result, 168.1s OverallTime, 23 OverallIterations, 12 TraceHistogramMax, 70.1s AutomataDifference, 0.0s DeadEndRemovalTime, 27.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 4119 SDtfs, 27526 SDslu, 4701 SDs, 0 SdLazy, 63621 SolverSat, 8481 SolverUnsat, 5 SolverUnknown, 0 SolverNotchecked, 56.8s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 30463 GetRequests, 30127 SyntacticMatches, 41 SemanticMatches, 295 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1199 ImplicationChecksByTransitivity, 10.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23125occurred in iteration=19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 28.3s AbstIntTime, 18 AbstIntIterations, 1 AbstIntStrong, 0.9980171169826344 AbsIntWeakeningRatio, 0.10344827586206896 AbsIntAvgWeakeningVarsNumRemoved, 16.39463601532567 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 3.2s AutomataMinimizationTime, 23 MinimizatonAttempts, 12990 StatesRemovedByMinimization, 22 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 3517 PreInvPairs, 11498 NumberOfFragments, 3534 HoareAnnotationTreeSize, 3517 FomulaSimplifications, 475601 FormulaSimplificationTreeSizeReduction, 2.8s HoareSimplificationTime, 9 FomulaSimplificationsInter, 123639 FormulaSimplificationTreeSizeReductionInter, 24.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.7s SsaConstructionTime, 2.2s SatisfiabilityAnalysisTime, 28.2s InterpolantComputationTime, 30758 NumberOfCodeBlocks, 30758 NumberOfCodeBlocksAsserted, 40 NumberOfCheckSat, 45609 ConstructedInterpolants, 1147 QuantifiedInterpolants, 125815619 SizeOfPredicates, 30 NumberOfNonLiveVariables, 19744 ConjunctsInSsa, 102 ConjunctsInUnsatCore, 57 InterpolantComputations, 13 PerfectInterpolantSequences, 96031/101985 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...