./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label29_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c65e0b23-8337-4167-af90-0b1bde842a74/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c65e0b23-8337-4167-af90-0b1bde842a74/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c65e0b23-8337-4167-af90-0b1bde842a74/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c65e0b23-8337-4167-af90-0b1bde842a74/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label29_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c65e0b23-8337-4167-af90-0b1bde842a74/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c65e0b23-8337-4167-af90-0b1bde842a74/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 b58a35b82358ba5160d6216f8f839a69fd1d9edf ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 14:57:45,946 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 14:57:45,947 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 14:57:45,953 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 14:57:45,953 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 14:57:45,954 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 14:57:45,955 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 14:57:45,955 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 14:57:45,956 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 14:57:45,957 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 14:57:45,957 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 14:57:45,957 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 14:57:45,958 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 14:57:45,958 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 14:57:45,959 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 14:57:45,959 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 14:57:45,960 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 14:57:45,960 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 14:57:45,961 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 14:57:45,962 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 14:57:45,963 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 14:57:45,963 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 14:57:45,965 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 14:57:45,965 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 14:57:45,965 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 14:57:45,965 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 14:57:45,966 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 14:57:45,966 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 14:57:45,967 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 14:57:45,967 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 14:57:45,968 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 14:57:45,969 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 14:57:45,969 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 14:57:45,969 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 14:57:45,970 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 14:57:45,970 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 14:57:45,971 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c65e0b23-8337-4167-af90-0b1bde842a74/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 14:57:45,978 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 14:57:45,978 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 14:57:45,978 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 14:57:45,978 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 14:57:45,979 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 14:57:45,979 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 14:57:45,979 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 14:57:45,979 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 14:57:45,979 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 14:57:45,979 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 14:57:45,979 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 14:57:45,979 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 14:57:45,979 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 14:57:45,980 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 14:57:45,980 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 14:57:45,980 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 14:57:45,980 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 14:57:45,980 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 14:57:45,980 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 14:57:45,981 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 14:57:45,981 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 14:57:45,981 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 14:57:45,981 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 14:57:45,981 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 14:57:45,981 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 14:57:45,981 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 14:57:45,981 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 14:57:45,982 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 14:57:45,982 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 14:57:45,982 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 14:57:45,982 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 14:57:45,982 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 14:57:45,982 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 14:57:45,982 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 14:57:45,982 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 14:57:45,982 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 14:57:45,983 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_c65e0b23-8337-4167-af90-0b1bde842a74/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 -> b58a35b82358ba5160d6216f8f839a69fd1d9edf [2018-12-02 14:57:46,001 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 14:57:46,009 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 14:57:46,012 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 14:57:46,013 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 14:57:46,013 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 14:57:46,014 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c65e0b23-8337-4167-af90-0b1bde842a74/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem16_label29_true-unreach-call.c [2018-12-02 14:57:46,059 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c65e0b23-8337-4167-af90-0b1bde842a74/bin-2019/utaipan/data/50054e663/298a0356c63447ccb44396a28ccc0c81/FLAG6fadc6bcf [2018-12-02 14:57:46,530 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 14:57:46,531 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c65e0b23-8337-4167-af90-0b1bde842a74/sv-benchmarks/c/eca-rers2012/Problem16_label29_true-unreach-call.c [2018-12-02 14:57:46,543 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c65e0b23-8337-4167-af90-0b1bde842a74/bin-2019/utaipan/data/50054e663/298a0356c63447ccb44396a28ccc0c81/FLAG6fadc6bcf [2018-12-02 14:57:46,555 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c65e0b23-8337-4167-af90-0b1bde842a74/bin-2019/utaipan/data/50054e663/298a0356c63447ccb44396a28ccc0c81 [2018-12-02 14:57:46,557 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 14:57:46,558 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 14:57:46,559 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 14:57:46,560 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 14:57:46,563 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 14:57:46,563 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:57:46" (1/1) ... [2018-12-02 14:57:46,565 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cdf4af6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:57:46, skipping insertion in model container [2018-12-02 14:57:46,565 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:57:46" (1/1) ... [2018-12-02 14:57:46,570 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 14:57:46,610 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 14:57:46,910 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 14:57:46,913 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 14:57:47,127 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 14:57:47,138 INFO L195 MainTranslator]: Completed translation [2018-12-02 14:57:47,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:57:47 WrapperNode [2018-12-02 14:57:47,138 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 14:57:47,139 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 14:57:47,139 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 14:57:47,139 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 14:57:47,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:57:47" (1/1) ... [2018-12-02 14:57:47,163 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:57:47" (1/1) ... [2018-12-02 14:57:47,170 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 14:57:47,170 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 14:57:47,170 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 14:57:47,171 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 14:57:47,177 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:57:47" (1/1) ... [2018-12-02 14:57:47,177 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:57:47" (1/1) ... [2018-12-02 14:57:47,183 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:57:47" (1/1) ... [2018-12-02 14:57:47,183 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:57:47" (1/1) ... [2018-12-02 14:57:47,211 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:57:47" (1/1) ... [2018-12-02 14:57:47,221 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:57:47" (1/1) ... [2018-12-02 14:57:47,230 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:57:47" (1/1) ... [2018-12-02 14:57:47,238 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 14:57:47,238 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 14:57:47,238 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 14:57:47,238 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 14:57:47,239 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:57:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c65e0b23-8337-4167-af90-0b1bde842a74/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 14:57:47,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 14:57:47,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 14:57:47,272 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-12-02 14:57:47,272 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-12-02 14:57:47,272 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-02 14:57:47,272 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-02 14:57:47,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 14:57:47,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 14:57:47,272 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 14:57:47,272 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 14:57:48,562 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 14:57:48,562 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-02 14:57:48,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:57:48 BoogieIcfgContainer [2018-12-02 14:57:48,563 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 14:57:48,563 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 14:57:48,563 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 14:57:48,566 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 14:57:48,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:57:46" (1/3) ... [2018-12-02 14:57:48,566 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c1332aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:57:48, skipping insertion in model container [2018-12-02 14:57:48,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:57:47" (2/3) ... [2018-12-02 14:57:48,567 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c1332aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:57:48, skipping insertion in model container [2018-12-02 14:57:48,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:57:48" (3/3) ... [2018-12-02 14:57:48,568 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label29_true-unreach-call.c [2018-12-02 14:57:48,574 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 14:57:48,579 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 14:57:48,590 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 14:57:48,611 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 14:57:48,611 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 14:57:48,611 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 14:57:48,611 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 14:57:48,612 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 14:57:48,612 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 14:57:48,612 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 14:57:48,612 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 14:57:48,628 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states. [2018-12-02 14:57:48,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-02 14:57:48,632 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 14:57:48,633 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] [2018-12-02 14:57:48,634 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 14:57:48,638 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:57:48,638 INFO L82 PathProgramCache]: Analyzing trace with hash -1301398987, now seen corresponding path program 1 times [2018-12-02 14:57:48,639 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 14:57:48,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:57:48,669 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:57:48,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:57:48,669 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 14:57:48,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:57:48,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:57:48,809 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 14:57:48,809 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 14:57:48,810 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 14:57:48,813 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 14:57:48,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 14:57:48,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 14:57:48,823 INFO L87 Difference]: Start difference. First operand 409 states. Second operand 3 states. [2018-12-02 14:57:49,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 14:57:49,940 INFO L93 Difference]: Finished difference Result 1153 states and 2141 transitions. [2018-12-02 14:57:49,940 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 14:57:49,941 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-02 14:57:49,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 14:57:49,955 INFO L225 Difference]: With dead ends: 1153 [2018-12-02 14:57:49,955 INFO L226 Difference]: Without dead ends: 682 [2018-12-02 14:57:49,961 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 14:57:49,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2018-12-02 14:57:50,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 682. [2018-12-02 14:57:50,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 682 states. [2018-12-02 14:57:50,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 1166 transitions. [2018-12-02 14:57:50,014 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 1166 transitions. Word has length 52 [2018-12-02 14:57:50,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 14:57:50,015 INFO L480 AbstractCegarLoop]: Abstraction has 682 states and 1166 transitions. [2018-12-02 14:57:50,015 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 14:57:50,015 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 1166 transitions. [2018-12-02 14:57:50,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-12-02 14:57:50,019 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 14:57:50,020 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 14:57:50,020 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 14:57:50,020 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:57:50,020 INFO L82 PathProgramCache]: Analyzing trace with hash -740813347, now seen corresponding path program 1 times [2018-12-02 14:57:50,020 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 14:57:50,021 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:57:50,021 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:57:50,022 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:57:50,022 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 14:57:50,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:57:50,166 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:57:50,167 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 14:57:50,167 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 14:57:50,167 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 14:57:50,168 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 14:57:50,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 14:57:50,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 14:57:50,168 INFO L87 Difference]: Start difference. First operand 682 states and 1166 transitions. Second operand 6 states. [2018-12-02 14:57:52,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 14:57:52,873 INFO L93 Difference]: Finished difference Result 1733 states and 2953 transitions. [2018-12-02 14:57:52,874 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 14:57:52,874 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 159 [2018-12-02 14:57:52,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 14:57:52,878 INFO L225 Difference]: With dead ends: 1733 [2018-12-02 14:57:52,878 INFO L226 Difference]: Without dead ends: 1057 [2018-12-02 14:57:52,879 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-02 14:57:52,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1057 states. [2018-12-02 14:57:52,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1057 to 1039. [2018-12-02 14:57:52,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1039 states. [2018-12-02 14:57:52,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 1039 states and 1701 transitions. [2018-12-02 14:57:52,901 INFO L78 Accepts]: Start accepts. Automaton has 1039 states and 1701 transitions. Word has length 159 [2018-12-02 14:57:52,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 14:57:52,902 INFO L480 AbstractCegarLoop]: Abstraction has 1039 states and 1701 transitions. [2018-12-02 14:57:52,902 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 14:57:52,902 INFO L276 IsEmpty]: Start isEmpty. Operand 1039 states and 1701 transitions. [2018-12-02 14:57:52,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-12-02 14:57:52,903 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 14:57:52,903 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 14:57:52,903 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 14:57:52,903 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:57:52,903 INFO L82 PathProgramCache]: Analyzing trace with hash -1072071420, now seen corresponding path program 1 times [2018-12-02 14:57:52,904 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 14:57:52,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:57:52,904 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:57:52,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:57:52,904 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 14:57:52,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:57:53,005 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:57:53,006 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 14:57:53,006 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 14:57:53,006 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 14:57:53,006 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 14:57:53,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 14:57:53,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 14:57:53,007 INFO L87 Difference]: Start difference. First operand 1039 states and 1701 transitions. Second operand 6 states. [2018-12-02 14:57:54,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 14:57:54,516 INFO L93 Difference]: Finished difference Result 3130 states and 5158 transitions. [2018-12-02 14:57:54,516 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 14:57:54,516 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 162 [2018-12-02 14:57:54,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 14:57:54,521 INFO L225 Difference]: With dead ends: 3130 [2018-12-02 14:57:54,522 INFO L226 Difference]: Without dead ends: 2097 [2018-12-02 14:57:54,523 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-02 14:57:54,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2097 states. [2018-12-02 14:57:54,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2097 to 2081. [2018-12-02 14:57:54,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2081 states. [2018-12-02 14:57:54,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2081 states to 2081 states and 3125 transitions. [2018-12-02 14:57:54,551 INFO L78 Accepts]: Start accepts. Automaton has 2081 states and 3125 transitions. Word has length 162 [2018-12-02 14:57:54,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 14:57:54,552 INFO L480 AbstractCegarLoop]: Abstraction has 2081 states and 3125 transitions. [2018-12-02 14:57:54,552 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 14:57:54,552 INFO L276 IsEmpty]: Start isEmpty. Operand 2081 states and 3125 transitions. [2018-12-02 14:57:54,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-12-02 14:57:54,554 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 14:57:54,554 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 14:57:54,554 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 14:57:54,555 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:57:54,555 INFO L82 PathProgramCache]: Analyzing trace with hash -1495259620, now seen corresponding path program 1 times [2018-12-02 14:57:54,555 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 14:57:54,555 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:57:54,555 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:57:54,555 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:57:54,555 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 14:57:54,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:57:54,662 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 90 proven. 106 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 14:57:54,662 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 14:57:54,662 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 14:57:54,663 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 278 with the following transitions: [2018-12-02 14:57:54,664 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [503], [505], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 14:57:54,688 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 14:57:54,688 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 14:57:54,903 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 14:57:54,904 INFO L272 AbstractInterpreter]: Visited 120 different actions 120 times. Never merged. Never widened. Performed 1095 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1095 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 24 variables. [2018-12-02 14:57:54,909 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:57:54,909 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 14:57:55,183 INFO L227 lantSequenceWeakener]: Weakened 268 states. On average, predicates are now at 77.86% of their original sizes. [2018-12-02 14:57:55,183 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 14:57:55,201 INFO L418 sIntCurrentIteration]: We unified 276 AI predicates to 276 [2018-12-02 14:57:55,201 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 14:57:55,202 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 14:57:55,202 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-12-02 14:57:55,202 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 14:57:55,203 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 14:57:55,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 14:57:55,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 14:57:55,203 INFO L87 Difference]: Start difference. First operand 2081 states and 3125 transitions. Second operand 6 states. [2018-12-02 14:58:15,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 14:58:15,798 INFO L93 Difference]: Finished difference Result 4494 states and 6706 transitions. [2018-12-02 14:58:15,798 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 14:58:15,798 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 277 [2018-12-02 14:58:15,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 14:58:15,804 INFO L225 Difference]: With dead ends: 4494 [2018-12-02 14:58:15,804 INFO L226 Difference]: Without dead ends: 2419 [2018-12-02 14:58:15,807 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 277 GetRequests, 272 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-02 14:58:15,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2419 states. [2018-12-02 14:58:15,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2419 to 2418. [2018-12-02 14:58:15,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2418 states. [2018-12-02 14:58:15,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2418 states to 2418 states and 3469 transitions. [2018-12-02 14:58:15,845 INFO L78 Accepts]: Start accepts. Automaton has 2418 states and 3469 transitions. Word has length 277 [2018-12-02 14:58:15,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 14:58:15,846 INFO L480 AbstractCegarLoop]: Abstraction has 2418 states and 3469 transitions. [2018-12-02 14:58:15,846 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 14:58:15,846 INFO L276 IsEmpty]: Start isEmpty. Operand 2418 states and 3469 transitions. [2018-12-02 14:58:15,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2018-12-02 14:58:15,849 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 14:58:15,849 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 14:58:15,849 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 14:58:15,849 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:58:15,850 INFO L82 PathProgramCache]: Analyzing trace with hash 563458644, now seen corresponding path program 1 times [2018-12-02 14:58:15,850 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 14:58:15,850 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:58:15,850 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:58:15,850 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:58:15,850 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 14:58:15,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:58:15,972 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 228 proven. 110 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-12-02 14:58:15,972 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 14:58:15,972 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 14:58:15,972 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 369 with the following transitions: [2018-12-02 14:58:15,973 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [503], [505], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [760], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 14:58:15,975 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 14:58:15,975 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 14:58:16,127 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 14:58:16,127 INFO L272 AbstractInterpreter]: Visited 124 different actions 359 times. Merged at 4 different actions 7 times. Never widened. Performed 3526 root evaluator evaluations with a maximum evaluation depth of 7. Performed 3526 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-02 14:58:16,128 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:58:16,129 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 14:58:16,340 INFO L227 lantSequenceWeakener]: Weakened 365 states. On average, predicates are now at 80.46% of their original sizes. [2018-12-02 14:58:16,340 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 14:58:16,378 INFO L418 sIntCurrentIteration]: We unified 367 AI predicates to 367 [2018-12-02 14:58:16,379 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 14:58:16,379 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 14:58:16,379 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-02 14:58:16,379 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 14:58:16,379 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 14:58:16,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 14:58:16,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 14:58:16,380 INFO L87 Difference]: Start difference. First operand 2418 states and 3469 transitions. Second operand 10 states. [2018-12-02 14:59:37,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 14:59:37,779 INFO L93 Difference]: Finished difference Result 5891 states and 8540 transitions. [2018-12-02 14:59:37,779 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-02 14:59:37,779 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 368 [2018-12-02 14:59:37,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 14:59:37,786 INFO L225 Difference]: With dead ends: 5891 [2018-12-02 14:59:37,786 INFO L226 Difference]: Without dead ends: 3816 [2018-12-02 14:59:37,788 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 377 GetRequests, 359 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-12-02 14:59:37,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3816 states. [2018-12-02 14:59:37,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3816 to 3458. [2018-12-02 14:59:37,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3458 states. [2018-12-02 14:59:37,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3458 states to 3458 states and 4617 transitions. [2018-12-02 14:59:37,839 INFO L78 Accepts]: Start accepts. Automaton has 3458 states and 4617 transitions. Word has length 368 [2018-12-02 14:59:37,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 14:59:37,839 INFO L480 AbstractCegarLoop]: Abstraction has 3458 states and 4617 transitions. [2018-12-02 14:59:37,839 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 14:59:37,839 INFO L276 IsEmpty]: Start isEmpty. Operand 3458 states and 4617 transitions. [2018-12-02 14:59:37,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 517 [2018-12-02 14:59:37,846 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 14:59:37,846 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 14:59:37,846 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 14:59:37,846 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:59:37,846 INFO L82 PathProgramCache]: Analyzing trace with hash 1047245756, now seen corresponding path program 1 times [2018-12-02 14:59:37,846 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 14:59:37,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:59:37,847 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:59:37,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:59:37,847 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 14:59:37,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:59:38,370 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 243 proven. 123 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-02 14:59:38,371 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 14:59:38,371 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 14:59:38,371 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 517 with the following transitions: [2018-12-02 14:59:38,371 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [503], [505], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 14:59:38,375 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 14:59:38,375 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 14:59:38,516 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 14:59:38,516 INFO L272 AbstractInterpreter]: Visited 248 different actions 490 times. Merged at 4 different actions 4 times. Never widened. Performed 5191 root evaluator evaluations with a maximum evaluation depth of 10. Performed 5191 inverse root evaluator evaluations with a maximum inverse evaluation depth of 10. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-02 14:59:38,518 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:59:38,518 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 14:59:38,754 INFO L227 lantSequenceWeakener]: Weakened 513 states. On average, predicates are now at 77.61% of their original sizes. [2018-12-02 14:59:38,755 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 14:59:38,792 INFO L418 sIntCurrentIteration]: We unified 515 AI predicates to 515 [2018-12-02 14:59:38,792 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 14:59:38,792 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 14:59:38,792 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [8] total 16 [2018-12-02 14:59:38,792 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 14:59:38,792 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 14:59:38,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 14:59:38,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 14:59:38,793 INFO L87 Difference]: Start difference. First operand 3458 states and 4617 transitions. Second operand 10 states. [2018-12-02 15:00:58,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 15:00:58,390 INFO L93 Difference]: Finished difference Result 6914 states and 9354 transitions. [2018-12-02 15:00:58,390 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-02 15:00:58,390 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 516 [2018-12-02 15:00:58,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 15:00:58,395 INFO L225 Difference]: With dead ends: 6914 [2018-12-02 15:00:58,395 INFO L226 Difference]: Without dead ends: 3799 [2018-12-02 15:00:58,397 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 523 GetRequests, 507 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-12-02 15:00:58,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3799 states. [2018-12-02 15:00:58,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3799 to 3797. [2018-12-02 15:00:58,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3797 states. [2018-12-02 15:00:58,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3797 states to 3797 states and 4972 transitions. [2018-12-02 15:00:58,439 INFO L78 Accepts]: Start accepts. Automaton has 3797 states and 4972 transitions. Word has length 516 [2018-12-02 15:00:58,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 15:00:58,439 INFO L480 AbstractCegarLoop]: Abstraction has 3797 states and 4972 transitions. [2018-12-02 15:00:58,440 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 15:00:58,440 INFO L276 IsEmpty]: Start isEmpty. Operand 3797 states and 4972 transitions. [2018-12-02 15:00:58,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 608 [2018-12-02 15:00:58,446 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 15:00:58,447 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, 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, 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] [2018-12-02 15:00:58,447 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 15:00:58,447 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:00:58,447 INFO L82 PathProgramCache]: Analyzing trace with hash 135352452, now seen corresponding path program 1 times [2018-12-02 15:00:58,447 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 15:00:58,448 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:00:58,448 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 15:00:58,448 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:00:58,448 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 15:00:58,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:00:59,198 INFO L134 CoverageAnalysis]: Checked inductivity of 788 backedges. 277 proven. 223 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2018-12-02 15:00:59,198 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 15:00:59,198 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 15:00:59,198 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 608 with the following transitions: [2018-12-02 15:00:59,199 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [503], [505], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [760], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 15:00:59,202 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 15:00:59,202 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 15:00:59,630 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 15:00:59,631 INFO L272 AbstractInterpreter]: Visited 250 different actions 1240 times. Merged at 8 different actions 33 times. Never widened. Performed 15012 root evaluator evaluations with a maximum evaluation depth of 17. Performed 15012 inverse root evaluator evaluations with a maximum inverse evaluation depth of 17. Found 9 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-02 15:00:59,632 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:00:59,633 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 15:00:59,633 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 15:00:59,633 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c65e0b23-8337-4167-af90-0b1bde842a74/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 15:00:59,639 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 15:00:59,639 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 15:00:59,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:00:59,727 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 15:00:59,940 INFO L134 CoverageAnalysis]: Checked inductivity of 788 backedges. 584 proven. 2 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2018-12-02 15:00:59,940 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 15:01:00,183 INFO L134 CoverageAnalysis]: Checked inductivity of 788 backedges. 277 proven. 223 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2018-12-02 15:01:00,198 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 15:01:00,198 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 18 [2018-12-02 15:01:00,198 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 15:01:00,199 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-02 15:01:00,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-02 15:01:00,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=240, Unknown=0, NotChecked=0, Total=306 [2018-12-02 15:01:00,199 INFO L87 Difference]: Start difference. First operand 3797 states and 4972 transitions. Second operand 15 states. [2018-12-02 15:01:06,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 15:01:06,512 INFO L93 Difference]: Finished difference Result 7883 states and 10624 transitions. [2018-12-02 15:01:06,513 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-12-02 15:01:06,513 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 607 [2018-12-02 15:01:06,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 15:01:06,523 INFO L225 Difference]: With dead ends: 7883 [2018-12-02 15:01:06,523 INFO L226 Difference]: Without dead ends: 4229 [2018-12-02 15:01:06,529 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1286 GetRequests, 1234 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 770 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=629, Invalid=2233, Unknown=0, NotChecked=0, Total=2862 [2018-12-02 15:01:06,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4229 states. [2018-12-02 15:01:06,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4229 to 3458. [2018-12-02 15:01:06,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3458 states. [2018-12-02 15:01:06,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3458 states to 3458 states and 3819 transitions. [2018-12-02 15:01:06,574 INFO L78 Accepts]: Start accepts. Automaton has 3458 states and 3819 transitions. Word has length 607 [2018-12-02 15:01:06,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 15:01:06,575 INFO L480 AbstractCegarLoop]: Abstraction has 3458 states and 3819 transitions. [2018-12-02 15:01:06,575 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-02 15:01:06,575 INFO L276 IsEmpty]: Start isEmpty. Operand 3458 states and 3819 transitions. [2018-12-02 15:01:06,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 625 [2018-12-02 15:01:06,578 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 15:01:06,578 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-02 15:01:06,578 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 15:01:06,579 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:01:06,579 INFO L82 PathProgramCache]: Analyzing trace with hash 635033833, now seen corresponding path program 1 times [2018-12-02 15:01:06,579 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 15:01:06,579 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:01:06,579 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 15:01:06,579 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:01:06,579 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 15:01:06,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:01:06,875 INFO L134 CoverageAnalysis]: Checked inductivity of 815 backedges. 190 proven. 389 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2018-12-02 15:01:06,875 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 15:01:06,875 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 15:01:06,875 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 625 with the following transitions: [2018-12-02 15:01:06,875 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [503], [505], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [796], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 15:01:06,878 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 15:01:06,878 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 15:01:07,103 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 15:01:07,103 INFO L272 AbstractInterpreter]: Visited 257 different actions 763 times. Merged at 6 different actions 12 times. Never widened. Performed 8945 root evaluator evaluations with a maximum evaluation depth of 10. Performed 8945 inverse root evaluator evaluations with a maximum inverse evaluation depth of 10. Found 3 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-02 15:01:07,104 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:01:07,104 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 15:01:07,384 INFO L227 lantSequenceWeakener]: Weakened 621 states. On average, predicates are now at 80.31% of their original sizes. [2018-12-02 15:01:07,384 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 15:01:07,413 INFO L418 sIntCurrentIteration]: We unified 623 AI predicates to 623 [2018-12-02 15:01:07,414 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 15:01:07,414 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 15:01:07,414 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 13 [2018-12-02 15:01:07,414 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 15:01:07,414 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 15:01:07,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 15:01:07,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-02 15:01:07,415 INFO L87 Difference]: Start difference. First operand 3458 states and 3819 transitions. Second operand 9 states. [2018-12-02 15:01:56,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 15:01:56,365 INFO L93 Difference]: Finished difference Result 6941 states and 7731 transitions. [2018-12-02 15:01:56,365 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-02 15:01:56,365 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 624 [2018-12-02 15:01:56,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 15:01:56,373 INFO L225 Difference]: With dead ends: 6941 [2018-12-02 15:01:56,373 INFO L226 Difference]: Without dead ends: 4165 [2018-12-02 15:01:56,374 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 630 GetRequests, 616 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-12-02 15:01:56,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4165 states. [2018-12-02 15:01:56,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4165 to 3475. [2018-12-02 15:01:56,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3475 states. [2018-12-02 15:01:56,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3475 states to 3475 states and 3813 transitions. [2018-12-02 15:01:56,408 INFO L78 Accepts]: Start accepts. Automaton has 3475 states and 3813 transitions. Word has length 624 [2018-12-02 15:01:56,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 15:01:56,409 INFO L480 AbstractCegarLoop]: Abstraction has 3475 states and 3813 transitions. [2018-12-02 15:01:56,409 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 15:01:56,409 INFO L276 IsEmpty]: Start isEmpty. Operand 3475 states and 3813 transitions. [2018-12-02 15:01:56,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 754 [2018-12-02 15:01:56,413 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 15:01:56,413 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 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] [2018-12-02 15:01:56,414 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 15:01:56,414 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:01:56,414 INFO L82 PathProgramCache]: Analyzing trace with hash 1486348371, now seen corresponding path program 1 times [2018-12-02 15:01:56,414 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 15:01:56,414 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:01:56,415 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 15:01:56,415 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:01:56,415 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 15:01:56,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:01:57,095 INFO L134 CoverageAnalysis]: Checked inductivity of 1314 backedges. 472 proven. 511 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2018-12-02 15:01:57,095 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 15:01:57,095 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 15:01:57,096 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 754 with the following transitions: [2018-12-02 15:01:57,096 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [503], [505], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [796], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 15:01:57,098 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 15:01:57,098 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 15:01:57,590 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 15:01:57,591 INFO L272 AbstractInterpreter]: Visited 259 different actions 1289 times. Merged at 9 different actions 37 times. Never widened. Performed 15726 root evaluator evaluations with a maximum evaluation depth of 18. Performed 15726 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 11 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-02 15:01:57,593 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:01:57,593 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 15:01:57,593 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 15:01:57,593 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c65e0b23-8337-4167-af90-0b1bde842a74/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 15:01:57,599 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 15:01:57,599 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 15:01:57,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:01:57,689 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 15:01:57,849 INFO L134 CoverageAnalysis]: Checked inductivity of 1314 backedges. 943 proven. 2 refuted. 0 times theorem prover too weak. 369 trivial. 0 not checked. [2018-12-02 15:01:57,849 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 15:01:58,071 INFO L134 CoverageAnalysis]: Checked inductivity of 1314 backedges. 571 proven. 110 refuted. 0 times theorem prover too weak. 633 trivial. 0 not checked. [2018-12-02 15:01:58,086 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 15:01:58,086 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 17 [2018-12-02 15:01:58,086 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 15:01:58,087 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-02 15:01:58,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-02 15:01:58,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2018-12-02 15:01:58,087 INFO L87 Difference]: Start difference. First operand 3475 states and 3813 transitions. Second operand 15 states. [2018-12-02 15:02:01,383 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2018-12-02 15:02:01,655 WARN L180 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 39 [2018-12-02 15:02:04,881 WARN L180 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2018-12-02 15:02:05,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 15:02:05,639 INFO L93 Difference]: Finished difference Result 8749 states and 9850 transitions. [2018-12-02 15:02:05,640 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2018-12-02 15:02:05,640 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 753 [2018-12-02 15:02:05,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 15:02:05,650 INFO L225 Difference]: With dead ends: 8749 [2018-12-02 15:02:05,650 INFO L226 Difference]: Without dead ends: 5956 [2018-12-02 15:02:05,654 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1594 GetRequests, 1536 SyntacticMatches, 2 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 958 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=661, Invalid=2645, Unknown=0, NotChecked=0, Total=3306 [2018-12-02 15:02:05,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5956 states. [2018-12-02 15:02:05,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5956 to 5533. [2018-12-02 15:02:05,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5533 states. [2018-12-02 15:02:05,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5533 states to 5533 states and 6064 transitions. [2018-12-02 15:02:05,710 INFO L78 Accepts]: Start accepts. Automaton has 5533 states and 6064 transitions. Word has length 753 [2018-12-02 15:02:05,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 15:02:05,711 INFO L480 AbstractCegarLoop]: Abstraction has 5533 states and 6064 transitions. [2018-12-02 15:02:05,711 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-02 15:02:05,711 INFO L276 IsEmpty]: Start isEmpty. Operand 5533 states and 6064 transitions. [2018-12-02 15:02:05,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1080 [2018-12-02 15:02:05,719 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 15:02:05,719 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, 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, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-02 15:02:05,719 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 15:02:05,719 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:02:05,719 INFO L82 PathProgramCache]: Analyzing trace with hash -379927405, now seen corresponding path program 1 times [2018-12-02 15:02:05,720 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 15:02:05,720 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:02:05,720 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 15:02:05,720 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:02:05,720 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 15:02:05,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:02:06,215 INFO L134 CoverageAnalysis]: Checked inductivity of 2633 backedges. 768 proven. 223 refuted. 0 times theorem prover too weak. 1642 trivial. 0 not checked. [2018-12-02 15:02:06,215 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 15:02:06,215 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 15:02:06,215 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1080 with the following transitions: [2018-12-02 15:02:06,215 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [503], [505], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 15:02:06,217 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 15:02:06,217 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 15:02:06,652 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 15:02:06,652 INFO L272 AbstractInterpreter]: Visited 253 different actions 1019 times. Merged at 11 different actions 39 times. Widened at 1 different actions 1 times. Performed 11944 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11944 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 13 fixpoints after 4 different actions. Largest state had 24 variables. [2018-12-02 15:02:06,654 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:02:06,654 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 15:02:06,654 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 15:02:06,654 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c65e0b23-8337-4167-af90-0b1bde842a74/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 15:02:06,660 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 15:02:06,660 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 15:02:06,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:02:06,789 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 15:02:07,113 INFO L134 CoverageAnalysis]: Checked inductivity of 2633 backedges. 1750 proven. 2 refuted. 0 times theorem prover too weak. 881 trivial. 0 not checked. [2018-12-02 15:02:07,113 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 15:02:07,479 INFO L134 CoverageAnalysis]: Checked inductivity of 2633 backedges. 768 proven. 223 refuted. 0 times theorem prover too weak. 1642 trivial. 0 not checked. [2018-12-02 15:02:07,494 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 15:02:07,494 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-02 15:02:07,495 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 15:02:07,495 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 15:02:07,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 15:02:07,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-12-02 15:02:07,496 INFO L87 Difference]: Start difference. First operand 5533 states and 6064 transitions. Second operand 9 states. [2018-12-02 15:02:08,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 15:02:08,718 INFO L93 Difference]: Finished difference Result 12122 states and 13488 transitions. [2018-12-02 15:02:08,718 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-02 15:02:08,718 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1079 [2018-12-02 15:02:08,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 15:02:08,728 INFO L225 Difference]: With dead ends: 12122 [2018-12-02 15:02:08,728 INFO L226 Difference]: Without dead ends: 7271 [2018-12-02 15:02:08,733 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2175 GetRequests, 2159 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2018-12-02 15:02:08,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7271 states. [2018-12-02 15:02:08,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7271 to 6903. [2018-12-02 15:02:08,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6903 states. [2018-12-02 15:02:08,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6903 states to 6903 states and 7510 transitions. [2018-12-02 15:02:08,792 INFO L78 Accepts]: Start accepts. Automaton has 6903 states and 7510 transitions. Word has length 1079 [2018-12-02 15:02:08,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 15:02:08,792 INFO L480 AbstractCegarLoop]: Abstraction has 6903 states and 7510 transitions. [2018-12-02 15:02:08,792 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 15:02:08,792 INFO L276 IsEmpty]: Start isEmpty. Operand 6903 states and 7510 transitions. [2018-12-02 15:02:08,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1081 [2018-12-02 15:02:08,800 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 15:02:08,801 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, 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, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-02 15:02:08,801 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 15:02:08,801 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:02:08,801 INFO L82 PathProgramCache]: Analyzing trace with hash 85379184, now seen corresponding path program 1 times [2018-12-02 15:02:08,801 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 15:02:08,802 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:02:08,802 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 15:02:08,802 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:02:08,802 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 15:02:08,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:02:09,340 INFO L134 CoverageAnalysis]: Checked inductivity of 2639 backedges. 943 proven. 110 refuted. 0 times theorem prover too weak. 1586 trivial. 0 not checked. [2018-12-02 15:02:09,340 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 15:02:09,340 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 15:02:09,340 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1081 with the following transitions: [2018-12-02 15:02:09,341 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [503], [505], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [676], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 15:02:09,343 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 15:02:09,343 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 15:02:09,810 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 15:02:09,810 INFO L272 AbstractInterpreter]: Visited 253 different actions 1017 times. Merged at 11 different actions 37 times. Widened at 1 different actions 1 times. Performed 11922 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11922 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 13 fixpoints after 5 different actions. Largest state had 24 variables. [2018-12-02 15:02:09,812 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:02:09,812 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 15:02:09,812 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 15:02:09,812 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c65e0b23-8337-4167-af90-0b1bde842a74/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 15:02:09,818 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 15:02:09,818 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 15:02:09,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:02:09,927 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 15:02:10,222 INFO L134 CoverageAnalysis]: Checked inductivity of 2639 backedges. 1497 proven. 2 refuted. 0 times theorem prover too weak. 1140 trivial. 0 not checked. [2018-12-02 15:02:10,222 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 15:02:10,600 INFO L134 CoverageAnalysis]: Checked inductivity of 2639 backedges. 943 proven. 110 refuted. 0 times theorem prover too weak. 1586 trivial. 0 not checked. [2018-12-02 15:02:10,616 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 15:02:10,616 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-02 15:02:10,616 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 15:02:10,617 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 15:02:10,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 15:02:10,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-12-02 15:02:10,617 INFO L87 Difference]: Start difference. First operand 6903 states and 7510 transitions. Second operand 9 states. [2018-12-02 15:02:13,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 15:02:13,046 INFO L93 Difference]: Finished difference Result 15681 states and 17891 transitions. [2018-12-02 15:02:13,047 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-02 15:02:13,047 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1080 [2018-12-02 15:02:13,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 15:02:13,067 INFO L225 Difference]: With dead ends: 15681 [2018-12-02 15:02:13,067 INFO L226 Difference]: Without dead ends: 9460 [2018-12-02 15:02:13,074 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2188 GetRequests, 2166 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=145, Invalid=317, Unknown=0, NotChecked=0, Total=462 [2018-12-02 15:02:13,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9460 states. [2018-12-02 15:02:13,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9460 to 9414. [2018-12-02 15:02:13,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9414 states. [2018-12-02 15:02:13,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9414 states to 9414 states and 10408 transitions. [2018-12-02 15:02:13,176 INFO L78 Accepts]: Start accepts. Automaton has 9414 states and 10408 transitions. Word has length 1080 [2018-12-02 15:02:13,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 15:02:13,177 INFO L480 AbstractCegarLoop]: Abstraction has 9414 states and 10408 transitions. [2018-12-02 15:02:13,177 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 15:02:13,177 INFO L276 IsEmpty]: Start isEmpty. Operand 9414 states and 10408 transitions. [2018-12-02 15:02:13,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1091 [2018-12-02 15:02:13,187 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 15:02:13,187 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, 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 15:02:13,187 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 15:02:13,187 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:02:13,187 INFO L82 PathProgramCache]: Analyzing trace with hash 819358287, now seen corresponding path program 1 times [2018-12-02 15:02:13,187 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 15:02:13,188 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:02:13,188 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 15:02:13,188 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:02:13,188 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 15:02:13,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:02:13,741 INFO L134 CoverageAnalysis]: Checked inductivity of 2375 backedges. 848 proven. 110 refuted. 0 times theorem prover too weak. 1417 trivial. 0 not checked. [2018-12-02 15:02:13,741 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 15:02:13,741 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 15:02:13,741 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1091 with the following transitions: [2018-12-02 15:02:13,741 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [503], [505], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 15:02:13,743 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 15:02:13,743 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 15:02:14,242 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 15:02:14,242 INFO L272 AbstractInterpreter]: Visited 252 different actions 1007 times. Merged at 10 different actions 31 times. Widened at 1 different actions 1 times. Performed 11819 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11819 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 11 fixpoints after 4 different actions. Largest state had 24 variables. [2018-12-02 15:02:14,245 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:02:14,246 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 15:02:14,246 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 15:02:14,246 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c65e0b23-8337-4167-af90-0b1bde842a74/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 15:02:14,251 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 15:02:14,252 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 15:02:14,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:02:14,364 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 15:02:14,698 INFO L134 CoverageAnalysis]: Checked inductivity of 2375 backedges. 1336 proven. 2 refuted. 0 times theorem prover too weak. 1037 trivial. 0 not checked. [2018-12-02 15:02:14,698 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 15:02:15,071 INFO L134 CoverageAnalysis]: Checked inductivity of 2375 backedges. 848 proven. 110 refuted. 0 times theorem prover too weak. 1417 trivial. 0 not checked. [2018-12-02 15:02:15,087 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 15:02:15,087 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 11 [2018-12-02 15:02:15,087 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 15:02:15,088 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 15:02:15,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 15:02:15,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-12-02 15:02:15,088 INFO L87 Difference]: Start difference. First operand 9414 states and 10408 transitions. Second operand 10 states. [2018-12-02 15:02:16,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 15:02:16,461 INFO L93 Difference]: Finished difference Result 17735 states and 19616 transitions. [2018-12-02 15:02:16,462 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-02 15:02:16,462 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 1090 [2018-12-02 15:02:16,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 15:02:16,476 INFO L225 Difference]: With dead ends: 17735 [2018-12-02 15:02:16,476 INFO L226 Difference]: Without dead ends: 9340 [2018-12-02 15:02:16,487 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2211 GetRequests, 2187 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=139, Invalid=323, Unknown=0, NotChecked=0, Total=462 [2018-12-02 15:02:16,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9340 states. [2018-12-02 15:02:16,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9340 to 8977. [2018-12-02 15:02:16,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8977 states. [2018-12-02 15:02:16,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8977 states to 8977 states and 9660 transitions. [2018-12-02 15:02:16,566 INFO L78 Accepts]: Start accepts. Automaton has 8977 states and 9660 transitions. Word has length 1090 [2018-12-02 15:02:16,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 15:02:16,566 INFO L480 AbstractCegarLoop]: Abstraction has 8977 states and 9660 transitions. [2018-12-02 15:02:16,567 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 15:02:16,567 INFO L276 IsEmpty]: Start isEmpty. Operand 8977 states and 9660 transitions. [2018-12-02 15:02:16,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1112 [2018-12-02 15:02:16,575 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 15:02:16,575 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 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] [2018-12-02 15:02:16,575 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 15:02:16,575 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:02:16,575 INFO L82 PathProgramCache]: Analyzing trace with hash -1358247243, now seen corresponding path program 1 times [2018-12-02 15:02:16,575 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 15:02:16,576 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:02:16,576 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 15:02:16,576 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:02:16,576 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 15:02:16,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:02:17,280 INFO L134 CoverageAnalysis]: Checked inductivity of 2011 backedges. 958 proven. 598 refuted. 0 times theorem prover too weak. 455 trivial. 0 not checked. [2018-12-02 15:02:17,280 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 15:02:17,280 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 15:02:17,280 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1112 with the following transitions: [2018-12-02 15:02:17,280 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [503], [505], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 15:02:17,282 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 15:02:17,282 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 15:02:18,014 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 15:02:18,014 INFO L272 AbstractInterpreter]: Visited 285 different actions 1137 times. Merged at 9 different actions 29 times. Never widened. Performed 13703 root evaluator evaluations with a maximum evaluation depth of 22. Performed 13703 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 10 fixpoints after 4 different actions. Largest state had 24 variables. [2018-12-02 15:02:18,015 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:02:18,015 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 15:02:18,015 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 15:02:18,015 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c65e0b23-8337-4167-af90-0b1bde842a74/bin-2019/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 15:02:18,021 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 15:02:18,021 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 15:02:18,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:02:18,134 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 15:02:18,414 INFO L134 CoverageAnalysis]: Checked inductivity of 2011 backedges. 237 proven. 0 refuted. 0 times theorem prover too weak. 1774 trivial. 0 not checked. [2018-12-02 15:02:18,414 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 15:02:18,738 INFO L134 CoverageAnalysis]: Checked inductivity of 2011 backedges. 237 proven. 0 refuted. 0 times theorem prover too weak. 1774 trivial. 0 not checked. [2018-12-02 15:02:18,753 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-02 15:02:18,754 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 9 [2018-12-02 15:02:18,754 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 15:02:18,754 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 15:02:18,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 15:02:18,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-12-02 15:02:18,754 INFO L87 Difference]: Start difference. First operand 8977 states and 9660 transitions. Second operand 3 states. [2018-12-02 15:02:19,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 15:02:19,257 INFO L93 Difference]: Finished difference Result 17272 states and 18635 transitions. [2018-12-02 15:02:19,257 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 15:02:19,257 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1111 [2018-12-02 15:02:19,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 15:02:19,269 INFO L225 Difference]: With dead ends: 17272 [2018-12-02 15:02:19,269 INFO L226 Difference]: Without dead ends: 8977 [2018-12-02 15:02:19,277 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2234 GetRequests, 2223 SyntacticMatches, 4 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-12-02 15:02:19,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8977 states. [2018-12-02 15:02:19,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8977 to 8977. [2018-12-02 15:02:19,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8977 states. [2018-12-02 15:02:19,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8977 states to 8977 states and 9605 transitions. [2018-12-02 15:02:19,351 INFO L78 Accepts]: Start accepts. Automaton has 8977 states and 9605 transitions. Word has length 1111 [2018-12-02 15:02:19,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 15:02:19,352 INFO L480 AbstractCegarLoop]: Abstraction has 8977 states and 9605 transitions. [2018-12-02 15:02:19,352 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 15:02:19,352 INFO L276 IsEmpty]: Start isEmpty. Operand 8977 states and 9605 transitions. [2018-12-02 15:02:19,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1183 [2018-12-02 15:02:19,362 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 15:02:19,362 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, 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 15:02:19,362 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 15:02:19,363 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:02:19,363 INFO L82 PathProgramCache]: Analyzing trace with hash 949226469, now seen corresponding path program 1 times [2018-12-02 15:02:19,363 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 15:02:19,363 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:02:19,364 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 15:02:19,364 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:02:19,364 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 15:02:19,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:02:20,155 INFO L134 CoverageAnalysis]: Checked inductivity of 2411 backedges. 1232 proven. 647 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2018-12-02 15:02:20,155 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 15:02:20,155 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 15:02:20,155 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1183 with the following transitions: [2018-12-02 15:02:20,155 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [503], [505], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [680], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 15:02:20,157 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 15:02:20,157 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 15:02:20,991 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 15:02:20,991 INFO L272 AbstractInterpreter]: Visited 286 different actions 1145 times. Merged at 9 different actions 33 times. Widened at 1 different actions 1 times. Performed 13840 root evaluator evaluations with a maximum evaluation depth of 22. Performed 13840 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 11 fixpoints after 5 different actions. Largest state had 24 variables. [2018-12-02 15:02:20,993 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:02:20,993 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 15:02:20,993 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 15:02:20,993 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c65e0b23-8337-4167-af90-0b1bde842a74/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 [2018-12-02 15:02:20,999 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 15:02:20,999 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 15:02:21,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:02:21,116 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 15:02:21,443 INFO L134 CoverageAnalysis]: Checked inductivity of 2411 backedges. 285 proven. 0 refuted. 0 times theorem prover too weak. 2126 trivial. 0 not checked. [2018-12-02 15:02:21,443 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 15:02:21,773 INFO L134 CoverageAnalysis]: Checked inductivity of 2411 backedges. 285 proven. 0 refuted. 0 times theorem prover too weak. 2126 trivial. 0 not checked. [2018-12-02 15:02:21,788 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-02 15:02:21,789 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 9 [2018-12-02 15:02:21,789 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 15:02:21,789 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 15:02:21,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 15:02:21,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-12-02 15:02:21,789 INFO L87 Difference]: Start difference. First operand 8977 states and 9605 transitions. Second operand 3 states. [2018-12-02 15:02:22,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 15:02:22,327 INFO L93 Difference]: Finished difference Result 17272 states and 18518 transitions. [2018-12-02 15:02:22,327 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 15:02:22,327 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1182 [2018-12-02 15:02:22,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 15:02:22,337 INFO L225 Difference]: With dead ends: 17272 [2018-12-02 15:02:22,337 INFO L226 Difference]: Without dead ends: 8977 [2018-12-02 15:02:22,344 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2378 GetRequests, 2366 SyntacticMatches, 5 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-12-02 15:02:22,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8977 states. [2018-12-02 15:02:22,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8977 to 8975. [2018-12-02 15:02:22,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8975 states. [2018-12-02 15:02:22,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8975 states to 8975 states and 9438 transitions. [2018-12-02 15:02:22,415 INFO L78 Accepts]: Start accepts. Automaton has 8975 states and 9438 transitions. Word has length 1182 [2018-12-02 15:02:22,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 15:02:22,416 INFO L480 AbstractCegarLoop]: Abstraction has 8975 states and 9438 transitions. [2018-12-02 15:02:22,416 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 15:02:22,416 INFO L276 IsEmpty]: Start isEmpty. Operand 8975 states and 9438 transitions. [2018-12-02 15:02:22,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1327 [2018-12-02 15:02:22,428 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 15:02:22,428 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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, 7, 7, 7, 7, 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, 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, 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] [2018-12-02 15:02:22,428 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 15:02:22,428 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:02:22,428 INFO L82 PathProgramCache]: Analyzing trace with hash -1793878195, now seen corresponding path program 1 times [2018-12-02 15:02:22,428 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 15:02:22,429 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:02:22,429 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 15:02:22,429 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:02:22,429 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 15:02:22,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:02:23,530 INFO L134 CoverageAnalysis]: Checked inductivity of 3807 backedges. 1406 proven. 2 refuted. 0 times theorem prover too weak. 2399 trivial. 0 not checked. [2018-12-02 15:02:23,530 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 15:02:23,530 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 15:02:23,531 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1327 with the following transitions: [2018-12-02 15:02:23,531 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [503], [505], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1268], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 15:02:23,533 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 15:02:23,533 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 15:02:23,958 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 15:02:23,958 INFO L272 AbstractInterpreter]: Visited 254 different actions 1024 times. Merged at 12 different actions 40 times. Never widened. Performed 11980 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11980 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 14 fixpoints after 4 different actions. Largest state had 24 variables. [2018-12-02 15:02:23,959 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:02:23,959 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 15:02:23,959 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 15:02:23,959 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c65e0b23-8337-4167-af90-0b1bde842a74/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 [2018-12-02 15:02:23,966 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 15:02:23,966 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 15:02:24,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:02:24,102 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 15:02:24,675 INFO L134 CoverageAnalysis]: Checked inductivity of 3807 backedges. 2593 proven. 6 refuted. 0 times theorem prover too weak. 1208 trivial. 0 not checked. [2018-12-02 15:02:24,675 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 15:02:25,818 INFO L134 CoverageAnalysis]: Checked inductivity of 3807 backedges. 1525 proven. 360 refuted. 0 times theorem prover too weak. 1922 trivial. 0 not checked. [2018-12-02 15:02:25,834 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 15:02:25,834 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 19 [2018-12-02 15:02:25,834 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 15:02:25,835 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-12-02 15:02:25,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-12-02 15:02:25,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-12-02 15:02:25,835 INFO L87 Difference]: Start difference. First operand 8975 states and 9438 transitions. Second operand 14 states. [2018-12-02 15:02:32,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 15:02:32,137 INFO L93 Difference]: Finished difference Result 19705 states and 20827 transitions. [2018-12-02 15:02:32,137 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2018-12-02 15:02:32,137 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 1326 [2018-12-02 15:02:32,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 15:02:32,154 INFO L225 Difference]: With dead ends: 19705 [2018-12-02 15:02:32,154 INFO L226 Difference]: Without dead ends: 10714 [2018-12-02 15:02:32,163 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2736 GetRequests, 2677 SyntacticMatches, 2 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 854 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=641, Invalid=2781, Unknown=0, NotChecked=0, Total=3422 [2018-12-02 15:02:32,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10714 states. [2018-12-02 15:02:32,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10714 to 10652. [2018-12-02 15:02:32,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10652 states. [2018-12-02 15:02:32,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10652 states to 10652 states and 11069 transitions. [2018-12-02 15:02:32,254 INFO L78 Accepts]: Start accepts. Automaton has 10652 states and 11069 transitions. Word has length 1326 [2018-12-02 15:02:32,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 15:02:32,255 INFO L480 AbstractCegarLoop]: Abstraction has 10652 states and 11069 transitions. [2018-12-02 15:02:32,255 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-12-02 15:02:32,255 INFO L276 IsEmpty]: Start isEmpty. Operand 10652 states and 11069 transitions. [2018-12-02 15:02:32,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1820 [2018-12-02 15:02:32,275 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 15:02:32,276 INFO L402 BasicCegarLoop]: trace histogram [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, 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, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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, 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, 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, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 15:02:32,276 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 15:02:32,276 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:02:32,276 INFO L82 PathProgramCache]: Analyzing trace with hash 1414444609, now seen corresponding path program 1 times [2018-12-02 15:02:32,276 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 15:02:32,277 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:02:32,277 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 15:02:32,277 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:02:32,277 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 15:02:32,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:02:34,096 INFO L134 CoverageAnalysis]: Checked inductivity of 6114 backedges. 1262 proven. 702 refuted. 0 times theorem prover too weak. 4150 trivial. 0 not checked. [2018-12-02 15:02:34,096 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 15:02:34,096 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 15:02:34,097 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1820 with the following transitions: [2018-12-02 15:02:34,097 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [503], [505], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [680], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1056], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1268], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1412], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 15:02:34,099 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 15:02:34,099 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 15:02:34,935 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 15:02:34,935 INFO L272 AbstractInterpreter]: Visited 289 different actions 1155 times. Merged at 10 different actions 31 times. Never widened. Performed 13964 root evaluator evaluations with a maximum evaluation depth of 22. Performed 13964 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 14 fixpoints after 7 different actions. Largest state had 24 variables. [2018-12-02 15:02:34,936 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:02:34,936 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 15:02:34,936 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 15:02:34,936 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c65e0b23-8337-4167-af90-0b1bde842a74/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 [2018-12-02 15:02:34,942 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 15:02:34,942 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 15:02:35,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:02:35,120 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 15:02:36,188 INFO L134 CoverageAnalysis]: Checked inductivity of 6114 backedges. 4176 proven. 2 refuted. 0 times theorem prover too weak. 1936 trivial. 0 not checked. [2018-12-02 15:02:36,188 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 15:02:38,684 INFO L134 CoverageAnalysis]: Checked inductivity of 6114 backedges. 1262 proven. 702 refuted. 0 times theorem prover too weak. 4150 trivial. 0 not checked. [2018-12-02 15:02:38,700 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 15:02:38,701 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-12-02 15:02:38,701 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 15:02:38,702 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-02 15:02:38,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-02 15:02:38,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2018-12-02 15:02:38,702 INFO L87 Difference]: Start difference. First operand 10652 states and 11069 transitions. Second operand 11 states. [2018-12-02 15:02:43,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 15:02:43,147 INFO L93 Difference]: Finished difference Result 21019 states and 21917 transitions. [2018-12-02 15:02:43,147 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-12-02 15:02:43,147 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 1819 [2018-12-02 15:02:43,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 15:02:43,159 INFO L225 Difference]: With dead ends: 21019 [2018-12-02 15:02:43,159 INFO L226 Difference]: Without dead ends: 11049 [2018-12-02 15:02:43,167 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3680 GetRequests, 3650 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=210, Invalid=660, Unknown=0, NotChecked=0, Total=870 [2018-12-02 15:02:43,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11049 states. [2018-12-02 15:02:43,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11049 to 10652. [2018-12-02 15:02:43,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10652 states. [2018-12-02 15:02:43,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10652 states to 10652 states and 11053 transitions. [2018-12-02 15:02:43,257 INFO L78 Accepts]: Start accepts. Automaton has 10652 states and 11053 transitions. Word has length 1819 [2018-12-02 15:02:43,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 15:02:43,258 INFO L480 AbstractCegarLoop]: Abstraction has 10652 states and 11053 transitions. [2018-12-02 15:02:43,258 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-02 15:02:43,258 INFO L276 IsEmpty]: Start isEmpty. Operand 10652 states and 11053 transitions. [2018-12-02 15:02:43,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1998 [2018-12-02 15:02:43,279 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 15:02:43,279 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, 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, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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, 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, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 15:02:43,279 INFO L423 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 15:02:43,279 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:02:43,280 INFO L82 PathProgramCache]: Analyzing trace with hash 805593613, now seen corresponding path program 1 times [2018-12-02 15:02:43,280 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 15:02:43,280 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:02:43,280 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 15:02:43,280 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:02:43,280 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 15:02:43,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:02:49,135 INFO L134 CoverageAnalysis]: Checked inductivity of 7860 backedges. 1258 proven. 4991 refuted. 0 times theorem prover too weak. 1611 trivial. 0 not checked. [2018-12-02 15:02:49,135 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 15:02:49,135 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 15:02:49,135 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1998 with the following transitions: [2018-12-02 15:02:49,136 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [503], [505], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [676], [677], [680], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1056], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1148], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1268], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1412], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 15:02:49,138 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 15:02:49,138 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 15:02:49,908 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 15:02:49,909 INFO L272 AbstractInterpreter]: Visited 291 different actions 1169 times. Merged at 11 different actions 37 times. Widened at 1 different actions 1 times. Performed 14112 root evaluator evaluations with a maximum evaluation depth of 22. Performed 14112 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 17 fixpoints after 10 different actions. Largest state had 24 variables. [2018-12-02 15:02:49,910 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:02:49,910 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 15:02:49,910 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 15:02:49,910 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c65e0b23-8337-4167-af90-0b1bde842a74/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 [2018-12-02 15:02:49,916 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 15:02:49,916 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 15:02:50,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:02:50,114 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 15:02:51,164 INFO L134 CoverageAnalysis]: Checked inductivity of 7860 backedges. 4631 proven. 2 refuted. 0 times theorem prover too weak. 3227 trivial. 0 not checked. [2018-12-02 15:02:51,164 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 15:02:52,593 INFO L134 CoverageAnalysis]: Checked inductivity of 7860 backedges. 1013 proven. 636 refuted. 0 times theorem prover too weak. 6211 trivial. 0 not checked. [2018-12-02 15:02:52,609 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 15:02:52,609 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 5, 5] total 30 [2018-12-02 15:02:52,610 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 15:02:52,610 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-12-02 15:02:52,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-12-02 15:02:52,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=742, Unknown=0, NotChecked=0, Total=870 [2018-12-02 15:02:52,611 INFO L87 Difference]: Start difference. First operand 10652 states and 11053 transitions. Second operand 28 states. [2018-12-02 15:02:59,067 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2018-12-02 15:02:59,986 WARN L180 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 34 [2018-12-02 15:03:01,156 WARN L180 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 45 [2018-12-02 15:03:05,643 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 27 [2018-12-02 15:03:11,894 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 44 [2018-12-02 15:03:13,883 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 53 [2018-12-02 15:03:14,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 15:03:14,631 INFO L93 Difference]: Finished difference Result 25831 states and 27095 transitions. [2018-12-02 15:03:14,632 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2018-12-02 15:03:14,632 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 1997 [2018-12-02 15:03:14,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 15:03:14,673 INFO L225 Difference]: With dead ends: 25831 [2018-12-02 15:03:14,673 INFO L226 Difference]: Without dead ends: 15522 [2018-12-02 15:03:14,686 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4148 GetRequests, 4048 SyntacticMatches, 6 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2981 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=1382, Invalid=7738, Unknown=0, NotChecked=0, Total=9120 [2018-12-02 15:03:14,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15522 states. [2018-12-02 15:03:14,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15522 to 15105. [2018-12-02 15:03:14,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15105 states. [2018-12-02 15:03:14,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15105 states to 15105 states and 15671 transitions. [2018-12-02 15:03:14,835 INFO L78 Accepts]: Start accepts. Automaton has 15105 states and 15671 transitions. Word has length 1997 [2018-12-02 15:03:14,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 15:03:14,835 INFO L480 AbstractCegarLoop]: Abstraction has 15105 states and 15671 transitions. [2018-12-02 15:03:14,835 INFO L481 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-12-02 15:03:14,835 INFO L276 IsEmpty]: Start isEmpty. Operand 15105 states and 15671 transitions. [2018-12-02 15:03:14,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2093 [2018-12-02 15:03:14,861 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 15:03:14,861 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, 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, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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, 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, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 15:03:14,861 INFO L423 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 15:03:14,861 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:03:14,862 INFO L82 PathProgramCache]: Analyzing trace with hash 795509130, now seen corresponding path program 1 times [2018-12-02 15:03:14,862 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 15:03:14,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:03:14,862 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 15:03:14,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:03:14,862 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 15:03:14,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:03:20,986 INFO L134 CoverageAnalysis]: Checked inductivity of 8521 backedges. 1362 proven. 5591 refuted. 0 times theorem prover too weak. 1568 trivial. 0 not checked. [2018-12-02 15:03:20,986 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 15:03:20,986 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 15:03:20,986 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 2093 with the following transitions: [2018-12-02 15:03:20,986 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [503], [505], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [680], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [728], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1056], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1148], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1268], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1296], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1412], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 15:03:20,988 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 15:03:20,988 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 15:03:21,816 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 15:03:21,816 INFO L272 AbstractInterpreter]: Visited 291 different actions 1165 times. Merged at 11 different actions 33 times. Never widened. Performed 14059 root evaluator evaluations with a maximum evaluation depth of 22. Performed 14059 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 16 fixpoints after 8 different actions. Largest state had 24 variables. [2018-12-02 15:03:21,818 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:03:21,818 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 15:03:21,818 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 15:03:21,818 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c65e0b23-8337-4167-af90-0b1bde842a74/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 [2018-12-02 15:03:21,824 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 15:03:21,824 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 15:03:22,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:03:22,035 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 15:03:23,196 INFO L134 CoverageAnalysis]: Checked inductivity of 8521 backedges. 525 proven. 0 refuted. 0 times theorem prover too weak. 7996 trivial. 0 not checked. [2018-12-02 15:03:23,196 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 15:03:24,167 INFO L134 CoverageAnalysis]: Checked inductivity of 8521 backedges. 525 proven. 0 refuted. 0 times theorem prover too weak. 7996 trivial. 0 not checked. [2018-12-02 15:03:24,183 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-02 15:03:24,184 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [25] total 27 [2018-12-02 15:03:24,184 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 15:03:24,184 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 15:03:24,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 15:03:24,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=605, Unknown=0, NotChecked=0, Total=702 [2018-12-02 15:03:24,185 INFO L87 Difference]: Start difference. First operand 15105 states and 15671 transitions. Second operand 3 states. [2018-12-02 15:03:25,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 15:03:25,438 INFO L93 Difference]: Finished difference Result 15446 states and 16013 transitions. [2018-12-02 15:03:25,438 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 15:03:25,438 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2092 [2018-12-02 15:03:25,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 15:03:25,454 INFO L225 Difference]: With dead ends: 15446 [2018-12-02 15:03:25,454 INFO L226 Difference]: Without dead ends: 15103 [2018-12-02 15:03:25,458 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4218 GetRequests, 4188 SyntacticMatches, 5 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 258 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=97, Invalid=605, Unknown=0, NotChecked=0, Total=702 [2018-12-02 15:03:25,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15103 states. [2018-12-02 15:03:25,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15103 to 15103. [2018-12-02 15:03:25,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15103 states. [2018-12-02 15:03:25,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15103 states to 15103 states and 15666 transitions. [2018-12-02 15:03:25,602 INFO L78 Accepts]: Start accepts. Automaton has 15103 states and 15666 transitions. Word has length 2092 [2018-12-02 15:03:25,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 15:03:25,603 INFO L480 AbstractCegarLoop]: Abstraction has 15103 states and 15666 transitions. [2018-12-02 15:03:25,603 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 15:03:25,603 INFO L276 IsEmpty]: Start isEmpty. Operand 15103 states and 15666 transitions. [2018-12-02 15:03:25,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2140 [2018-12-02 15:03:25,628 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 15:03:25,629 INFO L402 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 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, 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, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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, 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, 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, 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] [2018-12-02 15:03:25,629 INFO L423 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 15:03:25,629 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:03:25,629 INFO L82 PathProgramCache]: Analyzing trace with hash 2097518000, now seen corresponding path program 1 times [2018-12-02 15:03:25,629 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 15:03:25,630 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:03:25,630 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 15:03:25,630 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:03:25,630 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 15:03:25,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:03:31,901 INFO L134 CoverageAnalysis]: Checked inductivity of 9369 backedges. 3103 proven. 5464 refuted. 0 times theorem prover too weak. 802 trivial. 0 not checked. [2018-12-02 15:03:31,901 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 15:03:31,901 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 15:03:31,901 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 2140 with the following transitions: [2018-12-02 15:03:31,901 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [503], [505], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [680], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [728], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [824], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1028], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1056], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1148], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1296], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1412], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 15:03:31,904 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 15:03:31,904 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 15:03:32,731 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 15:03:32,731 INFO L272 AbstractInterpreter]: Visited 292 different actions 1172 times. Merged at 13 different actions 36 times. Never widened. Performed 14070 root evaluator evaluations with a maximum evaluation depth of 22. Performed 14070 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 17 fixpoints after 9 different actions. Largest state had 24 variables. [2018-12-02 15:03:32,733 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:03:32,733 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 15:03:32,733 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 15:03:32,734 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c65e0b23-8337-4167-af90-0b1bde842a74/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 [2018-12-02 15:03:32,740 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 15:03:32,740 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 15:03:32,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:03:32,973 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 15:03:34,034 INFO L134 CoverageAnalysis]: Checked inductivity of 9369 backedges. 1685 proven. 2 refuted. 0 times theorem prover too weak. 7682 trivial. 0 not checked. [2018-12-02 15:03:34,034 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 15:03:35,297 INFO L134 CoverageAnalysis]: Checked inductivity of 9369 backedges. 1685 proven. 2 refuted. 0 times theorem prover too weak. 7682 trivial. 0 not checked. [2018-12-02 15:03:35,313 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 15:03:35,313 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 5, 5] total 37 [2018-12-02 15:03:35,313 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 15:03:35,314 INFO L459 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-12-02 15:03:35,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-12-02 15:03:35,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=1172, Unknown=0, NotChecked=0, Total=1332 [2018-12-02 15:03:35,315 INFO L87 Difference]: Start difference. First operand 15103 states and 15666 transitions. Second operand 35 states. [2018-12-02 15:03:39,031 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2018-12-02 15:03:39,332 WARN L180 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2018-12-02 15:03:40,146 WARN L180 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2018-12-02 15:03:40,574 WARN L180 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 34 [2018-12-02 15:03:41,427 WARN L180 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2018-12-02 15:03:41,654 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 22 [2018-12-02 15:03:49,885 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2018-12-02 15:03:51,988 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 32 [2018-12-02 15:03:52,631 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 35 [2018-12-02 15:03:53,360 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 27 [2018-12-02 15:03:54,148 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 30 [2018-12-02 15:03:55,377 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 28 [2018-12-02 15:03:57,055 WARN L180 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 34 [2018-12-02 15:04:00,852 WARN L180 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 56 [2018-12-02 15:04:01,199 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 36 [2018-12-02 15:04:02,170 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 19 [2018-12-02 15:04:02,441 WARN L180 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 35 [2018-12-02 15:04:02,643 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 61 [2018-12-02 15:04:04,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 15:04:04,136 INFO L93 Difference]: Finished difference Result 34423 states and 36044 transitions. [2018-12-02 15:04:04,137 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2018-12-02 15:04:04,137 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 2139 [2018-12-02 15:04:04,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 15:04:04,168 INFO L225 Difference]: With dead ends: 34423 [2018-12-02 15:04:04,168 INFO L226 Difference]: Without dead ends: 20692 [2018-12-02 15:04:04,186 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4525 GetRequests, 4370 SyntacticMatches, 4 SemanticMatches, 151 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8666 ImplicationChecksByTransitivity, 8.7s TimeCoverageRelationStatistics Valid=3124, Invalid=20132, Unknown=0, NotChecked=0, Total=23256 [2018-12-02 15:04:04,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20692 states. [2018-12-02 15:04:04,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20692 to 19569. [2018-12-02 15:04:04,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19569 states. [2018-12-02 15:04:04,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19569 states to 19569 states and 20263 transitions. [2018-12-02 15:04:04,390 INFO L78 Accepts]: Start accepts. Automaton has 19569 states and 20263 transitions. Word has length 2139 [2018-12-02 15:04:04,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 15:04:04,390 INFO L480 AbstractCegarLoop]: Abstraction has 19569 states and 20263 transitions. [2018-12-02 15:04:04,390 INFO L481 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-12-02 15:04:04,390 INFO L276 IsEmpty]: Start isEmpty. Operand 19569 states and 20263 transitions. [2018-12-02 15:04:04,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2263 [2018-12-02 15:04:04,420 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 15:04:04,420 INFO L402 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 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, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 15:04:04,420 INFO L423 AbstractCegarLoop]: === Iteration 20 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 15:04:04,420 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:04:04,420 INFO L82 PathProgramCache]: Analyzing trace with hash 1015691815, now seen corresponding path program 1 times [2018-12-02 15:04:04,421 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 15:04:04,421 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:04:04,421 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 15:04:04,421 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:04:04,421 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 15:04:04,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:04:09,208 INFO L134 CoverageAnalysis]: Checked inductivity of 9670 backedges. 1803 proven. 4666 refuted. 0 times theorem prover too weak. 3201 trivial. 0 not checked. [2018-12-02 15:04:09,208 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 15:04:09,208 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 15:04:09,208 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 2263 with the following transitions: [2018-12-02 15:04:09,209 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [503], [505], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [796], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1044], [1045], [1049], [1053], [1056], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1412], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1444], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1532], [1533], [1537], [1540], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 15:04:09,211 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 15:04:09,211 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 15:04:09,882 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 15:04:09,882 INFO L272 AbstractInterpreter]: Visited 305 different actions 1534 times. Merged at 13 different actions 52 times. Widened at 1 different actions 2 times. Performed 19114 root evaluator evaluations with a maximum evaluation depth of 18. Performed 19114 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 21 fixpoints after 8 different actions. Largest state had 24 variables. [2018-12-02 15:04:09,885 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:04:09,885 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 15:04:09,885 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 15:04:09,885 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c65e0b23-8337-4167-af90-0b1bde842a74/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 [2018-12-02 15:04:09,891 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 15:04:09,891 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 15:04:10,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:04:10,113 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 15:04:11,254 INFO L134 CoverageAnalysis]: Checked inductivity of 9670 backedges. 573 proven. 0 refuted. 0 times theorem prover too weak. 9097 trivial. 0 not checked. [2018-12-02 15:04:11,254 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 15:04:12,391 INFO L134 CoverageAnalysis]: Checked inductivity of 9670 backedges. 573 proven. 0 refuted. 0 times theorem prover too weak. 9097 trivial. 0 not checked. [2018-12-02 15:04:12,407 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-02 15:04:12,408 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [19] total 21 [2018-12-02 15:04:12,408 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 15:04:12,408 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 15:04:12,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 15:04:12,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=359, Unknown=0, NotChecked=0, Total=420 [2018-12-02 15:04:12,409 INFO L87 Difference]: Start difference. First operand 19569 states and 20263 transitions. Second operand 3 states. [2018-12-02 15:04:13,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 15:04:13,050 INFO L93 Difference]: Finished difference Result 36403 states and 37750 transitions. [2018-12-02 15:04:13,051 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 15:04:13,051 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2262 [2018-12-02 15:04:13,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 15:04:13,052 INFO L225 Difference]: With dead ends: 36403 [2018-12-02 15:04:13,052 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 15:04:13,069 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4549 GetRequests, 4528 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=359, Unknown=0, NotChecked=0, Total=420 [2018-12-02 15:04:13,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 15:04:13,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 15:04:13,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 15:04:13,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 15:04:13,070 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 2262 [2018-12-02 15:04:13,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 15:04:13,070 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 15:04:13,070 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 15:04:13,070 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 15:04:13,070 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 15:04:13,073 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 15:04:13,147 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:04:13,255 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:04:13,328 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:04:13,419 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:04:13,422 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:04:13,456 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:04:13,525 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:04:13,628 WARN L180 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 480 DAG size of output: 441 [2018-12-02 15:04:13,751 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:04:13,849 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:04:14,020 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:04:14,032 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:04:14,128 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:04:14,170 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:04:14,183 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:04:14,496 WARN L180 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 460 [2018-12-02 15:04:16,239 WARN L180 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 449 DAG size of output: 71 [2018-12-02 15:04:17,271 WARN L180 SmtUtils]: Spent 991.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 75 [2018-12-02 15:04:18,606 WARN L180 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 423 DAG size of output: 75 [2018-12-02 15:04:20,597 WARN L180 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 461 DAG size of output: 114 [2018-12-02 15:04:23,176 WARN L180 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 466 DAG size of output: 68 [2018-12-02 15:04:23,178 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 15:04:23,178 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a16~0)| ~a16~0) (= ~a18~0 |old(~a18~0)|) (= |old(~a15~0)| ~a15~0) (= |old(~a12~0)| ~a12~0)) [2018-12-02 15:04:23,178 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 15:04:23,178 INFO L448 ceAbstractionStarter]: For program point L1497(lines 1497 1763) no Hoare annotation was computed. [2018-12-02 15:04:23,178 INFO L448 ceAbstractionStarter]: For program point calculate_output2EXIT(lines 1494 1765) no Hoare annotation was computed. [2018-12-02 15:04:23,178 INFO L448 ceAbstractionStarter]: For program point L1687(lines 1687 1763) no Hoare annotation was computed. [2018-12-02 15:04:23,178 INFO L448 ceAbstractionStarter]: For program point L1704(lines 1704 1763) no Hoare annotation was computed. [2018-12-02 15:04:23,178 INFO L448 ceAbstractionStarter]: For program point L1638(lines 1638 1763) no Hoare annotation was computed. [2018-12-02 15:04:23,178 INFO L448 ceAbstractionStarter]: For program point L1663(lines 1663 1763) no Hoare annotation was computed. [2018-12-02 15:04:23,178 INFO L448 ceAbstractionStarter]: For program point L1597(lines 1597 1763) no Hoare annotation was computed. [2018-12-02 15:04:23,179 INFO L448 ceAbstractionStarter]: For program point L1721(lines 1721 1763) no Hoare annotation was computed. [2018-12-02 15:04:23,179 INFO L448 ceAbstractionStarter]: For program point L1622(lines 1622 1763) no Hoare annotation was computed. [2018-12-02 15:04:23,179 INFO L448 ceAbstractionStarter]: For program point L1746(lines 1746 1763) no Hoare annotation was computed. [2018-12-02 15:04:23,179 INFO L448 ceAbstractionStarter]: For program point L1515(lines 1515 1763) no Hoare annotation was computed. [2018-12-02 15:04:23,179 INFO L448 ceAbstractionStarter]: For program point L1573(lines 1573 1763) no Hoare annotation was computed. [2018-12-02 15:04:23,179 INFO L448 ceAbstractionStarter]: For program point L1540(lines 1540 1763) no Hoare annotation was computed. [2018-12-02 15:04:23,179 INFO L448 ceAbstractionStarter]: For program point L1656(lines 1656 1763) no Hoare annotation was computed. [2018-12-02 15:04:23,179 INFO L448 ceAbstractionStarter]: For program point L1739(lines 1739 1763) no Hoare annotation was computed. [2018-12-02 15:04:23,179 INFO L448 ceAbstractionStarter]: For program point L1566(lines 1566 1763) no Hoare annotation was computed. [2018-12-02 15:04:23,179 INFO L448 ceAbstractionStarter]: For program point L1591(lines 1591 1763) no Hoare annotation was computed. [2018-12-02 15:04:23,179 INFO L448 ceAbstractionStarter]: For program point L1715(lines 1715 1763) no Hoare annotation was computed. [2018-12-02 15:04:23,179 INFO L448 ceAbstractionStarter]: For program point L1682(lines 1682 1763) no Hoare annotation was computed. [2018-12-02 15:04:23,179 INFO L448 ceAbstractionStarter]: For program point L1616(lines 1616 1763) no Hoare annotation was computed. [2018-12-02 15:04:23,179 INFO L448 ceAbstractionStarter]: For program point L1699(lines 1699 1763) no Hoare annotation was computed. [2018-12-02 15:04:23,180 INFO L448 ceAbstractionStarter]: For program point L1633(lines 1633 1763) no Hoare annotation was computed. [2018-12-02 15:04:23,180 INFO L448 ceAbstractionStarter]: For program point L1534(lines 1534 1763) no Hoare annotation was computed. [2018-12-02 15:04:23,180 INFO L448 ceAbstractionStarter]: For program point L1757(lines 1757 1763) no Hoare annotation was computed. [2018-12-02 15:04:23,180 INFO L448 ceAbstractionStarter]: For program point L1559(lines 1559 1763) no Hoare annotation was computed. [2018-12-02 15:04:23,180 INFO L448 ceAbstractionStarter]: For program point L1675(lines 1675 1763) no Hoare annotation was computed. [2018-12-02 15:04:23,180 INFO L448 ceAbstractionStarter]: For program point L1609(lines 1609 1763) no Hoare annotation was computed. [2018-12-02 15:04:23,180 INFO L448 ceAbstractionStarter]: For program point L1510(lines 1510 1763) no Hoare annotation was computed. [2018-12-02 15:04:23,180 INFO L448 ceAbstractionStarter]: For program point L1733(lines 1733 1763) no Hoare annotation was computed. [2018-12-02 15:04:23,180 INFO L444 ceAbstractionStarter]: At program point calculate_output2ENTRY(lines 1494 1765) the Hoare annotation is: (let ((.cse6 (= ~a18~0 |old(~a18~0)|)) (.cse7 (= |old(~a12~0)| ~a12~0)) (.cse5 (= 4 |old(~a15~0)|)) (.cse4 (= 9 |old(~a16~0)|)) (.cse2 (= 3 |old(~a15~0)|)) (.cse3 (= 5 |old(~a12~0)|)) (.cse9 (= 8 |old(~a16~0)|))) (let ((.cse1 (and .cse2 .cse3 .cse9)) (.cse10 (not .cse4)) (.cse11 (not (= 7 |old(~a12~0)|))) (.cse8 (not .cse5)) (.cse0 (and (= |old(~a15~0)| ~a15~0) (= ~a16~0 |old(~a16~0)|) .cse6 .cse7))) (and (or .cse0 (or .cse1 (or (not .cse2) (not .cse3)))) (or (or .cse1 .cse4 .cse5) .cse0) (or (and (= |old(~a16~0)| ~a16~0) .cse6 (= ~a15~0 |old(~a15~0)|) .cse7) (or .cse5 (not (= 8 |old(~a12~0)|)))) (or .cse8 (not .cse9) .cse0) (or (< |old(~a12~0)| 9) (= 10 |old(~a16~0)|) .cse0) (or .cse8 .cse0 .cse10) (or .cse0 .cse11 .cse10 (< 0 (+ |old(~a18~0)| 156))) (or .cse5 .cse0 .cse11 (forall ((v_prenex_27 Int)) (let ((.cse12 (mod v_prenex_27 299932))) (or (<= 0 v_prenex_27) (= 0 .cse12) (< |old(~a18~0)| (+ .cse12 136)))))) (or .cse8 (< 6 |old(~a12~0)|) .cse0)))) [2018-12-02 15:04:23,180 INFO L448 ceAbstractionStarter]: For program point L1527(lines 1527 1763) no Hoare annotation was computed. [2018-12-02 15:04:23,180 INFO L448 ceAbstractionStarter]: For program point L1651(lines 1651 1763) no Hoare annotation was computed. [2018-12-02 15:04:23,180 INFO L448 ceAbstractionStarter]: For program point L1585(lines 1585 1763) no Hoare annotation was computed. [2018-12-02 15:04:23,181 INFO L448 ceAbstractionStarter]: For program point L1709(lines 1709 1763) no Hoare annotation was computed. [2018-12-02 15:04:23,181 INFO L448 ceAbstractionStarter]: For program point L1503(lines 1503 1763) no Hoare annotation was computed. [2018-12-02 15:04:23,181 INFO L448 ceAbstractionStarter]: For program point L1693(lines 1693 1763) no Hoare annotation was computed. [2018-12-02 15:04:23,181 INFO L448 ceAbstractionStarter]: For program point L1553(lines 1553 1763) no Hoare annotation was computed. [2018-12-02 15:04:23,181 INFO L448 ceAbstractionStarter]: For program point calculate_output2FINAL(lines 1494 1765) no Hoare annotation was computed. [2018-12-02 15:04:23,181 INFO L448 ceAbstractionStarter]: For program point L1669(lines 1669 1763) no Hoare annotation was computed. [2018-12-02 15:04:23,181 INFO L448 ceAbstractionStarter]: For program point L1603(lines 1603 1763) no Hoare annotation was computed. [2018-12-02 15:04:23,181 INFO L448 ceAbstractionStarter]: For program point L1727(lines 1727 1763) no Hoare annotation was computed. [2018-12-02 15:04:23,181 INFO L448 ceAbstractionStarter]: For program point L1628(lines 1628 1763) no Hoare annotation was computed. [2018-12-02 15:04:23,181 INFO L448 ceAbstractionStarter]: For program point L1752(lines 1752 1763) no Hoare annotation was computed. [2018-12-02 15:04:23,181 INFO L448 ceAbstractionStarter]: For program point L1521(lines 1521 1763) no Hoare annotation was computed. [2018-12-02 15:04:23,181 INFO L448 ceAbstractionStarter]: For program point L1645(lines 1645 1763) no Hoare annotation was computed. [2018-12-02 15:04:23,181 INFO L448 ceAbstractionStarter]: For program point L1579(lines 1579 1763) no Hoare annotation was computed. [2018-12-02 15:04:23,181 INFO L448 ceAbstractionStarter]: For program point L1546(lines 1546 1763) no Hoare annotation was computed. [2018-12-02 15:04:23,182 INFO L448 ceAbstractionStarter]: For program point L894(lines 894 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,182 INFO L448 ceAbstractionStarter]: For program point L828(lines 828 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,182 INFO L448 ceAbstractionStarter]: For program point L696(lines 696 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,182 INFO L448 ceAbstractionStarter]: For program point L1291(lines 1291 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,182 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 15:04:23,182 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 15:04:23,182 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 15:04:23,182 INFO L448 ceAbstractionStarter]: For program point L961(lines 961 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,182 INFO L448 ceAbstractionStarter]: For program point L763(lines 763 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,182 INFO L448 ceAbstractionStarter]: For program point L631(lines 631 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,182 INFO L448 ceAbstractionStarter]: For program point L367(lines 367 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,182 INFO L448 ceAbstractionStarter]: For program point L1358(lines 1358 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,182 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,182 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-12-02 15:04:23,182 INFO L448 ceAbstractionStarter]: For program point L1160(lines 1160 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,183 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-12-02 15:04:23,183 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-12-02 15:04:23,183 INFO L444 ceAbstractionStarter]: At program point L1491(line 1491) the Hoare annotation is: (let ((.cse8 (= |old(~a15~0)| ~a15~0)) (.cse7 (= ~a16~0 |old(~a16~0)|)) (.cse15 (= ~a18~0 |old(~a18~0)|)) (.cse9 (= |old(~a12~0)| ~a12~0)) (.cse4 (not (= 3 |old(~a15~0)|))) (.cse5 (= |calculate_output_#in~input| 0)) (.cse19 (= ~a15~0 3)) (.cse22 (= 9 |old(~a16~0)|)) (.cse21 (= 4 |old(~a15~0)|))) (let ((.cse11 (or .cse22 .cse21)) (.cse12 (not (= 11 ~a16~0))) (.cse2 (not (= calculate_output_~input 3))) (.cse14 (not .cse19)) (.cse10 (or .cse21 (not (= 8 |old(~a12~0)|)))) (.cse0 (not .cse21)) (.cse1 (not (= 8 |old(~a16~0)|))) (.cse3 (not (= calculate_output_~input 0))) (.cse16 (or .cse4 (not (= 5 |old(~a12~0)|)) (= 0 |old(~a16~0)|) .cse5)) (.cse18 (not .cse22)) (.cse6 (and .cse8 .cse7 .cse15 .cse9)) (.cse13 (not (= 7 |old(~a12~0)|))) (.cse17 (< 0 (+ |old(~a18~0)| 156)))) (and (or .cse0 .cse1 (or .cse2 (< 0 (+ ~a18~0 156))) (not (= 9 |old(~a12~0)|))) (or .cse3 (or .cse4 (= 0 |old(~a12~0)|) .cse5) (not (= 11 |old(~a16~0)|))) (or .cse6 (< |old(~a12~0)| 9) (= 10 |old(~a16~0)|)) (or (and (and .cse7 .cse8) .cse9) .cse10) (or .cse11 (and (or .cse12 .cse2 .cse13 .cse14 (< 0 (+ ~a18~0 79))) .cse8 .cse7 .cse15 .cse9)) (or (or (not (= 5 ~a12~0)) (not (= 8 ~a16~0)) .cse14) .cse11) (or .cse0 (< 6 |old(~a12~0)|) .cse6) (or .cse16 (and .cse7 .cse9)) (or .cse10 (or .cse12 .cse2 .cse14) .cse17) (or .cse10 .cse15) (or .cse0 .cse6 .cse18) (or .cse1 .cse6) (or (and (and .cse19 .cse3) .cse15) .cse16) (or .cse6 .cse13 (forall ((v_prenex_27 Int)) (let ((.cse20 (mod v_prenex_27 299932))) (or (<= 0 v_prenex_27) (= 0 .cse20) (< |old(~a18~0)| (+ .cse20 136))))) .cse18) (or .cse21 .cse6 .cse13 .cse17)))) [2018-12-02 15:04:23,183 INFO L448 ceAbstractionStarter]: For program point L434(lines 434 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,183 INFO L448 ceAbstractionStarter]: For program point L1491-1(line 1491) no Hoare annotation was computed. [2018-12-02 15:04:23,183 INFO L448 ceAbstractionStarter]: For program point L1227(lines 1227 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,183 INFO L448 ceAbstractionStarter]: For program point L567(lines 567 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,183 INFO L448 ceAbstractionStarter]: For program point L501(lines 501 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,183 INFO L448 ceAbstractionStarter]: For program point L303(lines 303 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,183 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 15:04:23,184 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 15:04:23,184 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 15:04:23,184 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-12-02 15:04:23,184 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-12-02 15:04:23,184 INFO L448 ceAbstractionStarter]: For program point L1097(lines 1097 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,184 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-12-02 15:04:23,184 INFO L448 ceAbstractionStarter]: For program point L1031(lines 1031 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,184 INFO L448 ceAbstractionStarter]: For program point L899(lines 899 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,184 INFO L448 ceAbstractionStarter]: For program point L1428(lines 1428 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,184 INFO L448 ceAbstractionStarter]: For program point L834(lines 834 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,184 INFO L448 ceAbstractionStarter]: For program point L636(lines 636 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,184 INFO L448 ceAbstractionStarter]: For program point L1297(lines 1297 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,184 INFO L448 ceAbstractionStarter]: For program point L240(lines 240 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,184 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 15:04:23,184 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 15:04:23,185 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 15:04:23,185 INFO L448 ceAbstractionStarter]: For program point L967(lines 967 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,185 INFO L448 ceAbstractionStarter]: For program point L769(lines 769 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,185 INFO L448 ceAbstractionStarter]: For program point L703(lines 703 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,185 INFO L448 ceAbstractionStarter]: For program point L373(lines 373 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,185 INFO L448 ceAbstractionStarter]: For program point L1364(lines 1364 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,185 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-12-02 15:04:23,185 INFO L448 ceAbstractionStarter]: For program point L1166(lines 1166 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,185 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-12-02 15:04:23,185 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-12-02 15:04:23,185 INFO L448 ceAbstractionStarter]: For program point L440(lines 440 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,185 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,185 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,185 INFO L448 ceAbstractionStarter]: For program point L1234(lines 1234 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,185 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 15:04:23,185 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 15:04:23,186 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 15:04:23,186 INFO L448 ceAbstractionStarter]: For program point L1036(lines 1036 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,186 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,186 INFO L448 ceAbstractionStarter]: For program point L508(lines 508 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,186 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-12-02 15:04:23,186 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-12-02 15:04:23,186 INFO L448 ceAbstractionStarter]: For program point L1103(lines 1103 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,186 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-12-02 15:04:23,186 INFO L448 ceAbstractionStarter]: For program point L905(lines 905 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,186 INFO L448 ceAbstractionStarter]: For program point L641(lines 641 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,186 INFO L448 ceAbstractionStarter]: For program point L443(lines 443 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,186 INFO L448 ceAbstractionStarter]: For program point L1434(lines 1434 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,186 INFO L448 ceAbstractionStarter]: For program point L840(lines 840 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,186 INFO L448 ceAbstractionStarter]: For program point L1303(lines 1303 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,187 INFO L448 ceAbstractionStarter]: For program point L246(lines 246 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,187 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 15:04:23,187 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 15:04:23,187 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 15:04:23,187 INFO L448 ceAbstractionStarter]: For program point L775(lines 775 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,187 INFO L448 ceAbstractionStarter]: For program point L1370(lines 1370 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,187 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-12-02 15:04:23,187 INFO L448 ceAbstractionStarter]: For program point L1172(lines 1172 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,187 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-12-02 15:04:23,187 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-12-02 15:04:23,187 INFO L448 ceAbstractionStarter]: For program point L974(lines 974 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,187 INFO L448 ceAbstractionStarter]: For program point L578(lines 578 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,187 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,187 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,187 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 15:04:23,187 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 15:04:23,188 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 15:04:23,188 INFO L448 ceAbstractionStarter]: For program point L1042(lines 1042 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,188 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 23 1492) no Hoare annotation was computed. [2018-12-02 15:04:23,188 INFO L448 ceAbstractionStarter]: For program point L778(lines 778 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,188 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,188 INFO L448 ceAbstractionStarter]: For program point L1241(lines 1241 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,188 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-12-02 15:04:23,188 INFO L448 ceAbstractionStarter]: For program point L1175(lines 1175 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,188 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-12-02 15:04:23,188 INFO L448 ceAbstractionStarter]: For program point L1109(lines 1109 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,188 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-12-02 15:04:23,188 INFO L448 ceAbstractionStarter]: For program point L515(lines 515 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,188 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,188 INFO L448 ceAbstractionStarter]: For program point L1440(lines 1440 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,188 INFO L448 ceAbstractionStarter]: For program point L912(lines 912 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,189 INFO L448 ceAbstractionStarter]: For program point L846(lines 846 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,189 INFO L448 ceAbstractionStarter]: For program point L648(lines 648 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,189 INFO L448 ceAbstractionStarter]: For program point L1375(lines 1375 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,189 INFO L448 ceAbstractionStarter]: For program point L1309(lines 1309 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,189 INFO L448 ceAbstractionStarter]: For program point L252(lines 252 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,189 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 15:04:23,189 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 15:04:23,189 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 15:04:23,189 INFO L448 ceAbstractionStarter]: For program point L979(lines 979 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,189 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-12-02 15:04:23,189 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-12-02 15:04:23,189 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-12-02 15:04:23,189 INFO L448 ceAbstractionStarter]: For program point L584(lines 584 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,189 INFO L448 ceAbstractionStarter]: For program point L386(lines 386 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,189 INFO L448 ceAbstractionStarter]: For program point L717(lines 717 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,189 INFO L448 ceAbstractionStarter]: For program point L321(lines 321 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,190 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 15:04:23,190 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 15:04:23,190 INFO L448 ceAbstractionStarter]: For program point L1114(lines 1114 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,190 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 15:04:23,190 INFO L448 ceAbstractionStarter]: For program point L1048(lines 1048 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,190 INFO L448 ceAbstractionStarter]: For program point L784(lines 784 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,190 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,190 INFO L448 ceAbstractionStarter]: For program point L1247(lines 1247 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,190 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-12-02 15:04:23,190 INFO L448 ceAbstractionStarter]: For program point L1181(lines 1181 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,190 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-12-02 15:04:23,190 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-12-02 15:04:23,190 INFO L448 ceAbstractionStarter]: For program point L917(lines 917 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,190 INFO L448 ceAbstractionStarter]: For program point L851(lines 851 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,190 INFO L448 ceAbstractionStarter]: For program point L521(lines 521 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,190 INFO L448 ceAbstractionStarter]: For program point L1446(lines 1446 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,191 INFO L448 ceAbstractionStarter]: For program point L1314(lines 1314 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,191 INFO L448 ceAbstractionStarter]: For program point L257(lines 257 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,191 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 23 1492) the Hoare annotation is: (let ((.cse5 (= 9 |old(~a16~0)|)) (.cse8 (= ~a18~0 |old(~a18~0)|)) (.cse9 (= |old(~a12~0)| ~a12~0)) (.cse1 (= 4 |old(~a15~0)|))) (let ((.cse3 (not .cse1)) (.cse2 (and (= |old(~a16~0)| ~a16~0) .cse8 (= ~a15~0 |old(~a15~0)|) .cse9)) (.cse0 (and (= |old(~a15~0)| ~a15~0) (= ~a16~0 |old(~a16~0)|) .cse8 .cse9)) (.cse6 (not (= 7 |old(~a12~0)|))) (.cse4 (not .cse5))) (and (or (< |old(~a12~0)| 9) .cse0 (= 10 |old(~a16~0)|)) (or (or .cse1 (not (= 8 |old(~a12~0)|))) .cse2) (or (not (= 8 |old(~a16~0)|)) .cse0) (or .cse3 .cse0 .cse4) (or .cse3 (< 6 |old(~a12~0)|) .cse0) (or (or .cse5 .cse1) .cse0) (or .cse2 (or (not (= 3 |old(~a15~0)|)) (not (= 5 |old(~a12~0)|)) (= |calculate_output_#in~input| 0))) (or .cse1 .cse0 .cse6 (< 0 (+ |old(~a18~0)| 156))) (or .cse0 .cse6 (forall ((v_prenex_27 Int)) (let ((.cse7 (mod v_prenex_27 299932))) (or (<= 0 v_prenex_27) (= 0 .cse7) (< |old(~a18~0)| (+ .cse7 136))))) .cse4)))) [2018-12-02 15:04:23,191 INFO L448 ceAbstractionStarter]: For program point L1381(lines 1381 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,191 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 15:04:23,191 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 15:04:23,191 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 15:04:23,191 INFO L448 ceAbstractionStarter]: For program point L655(lines 655 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,191 INFO L448 ceAbstractionStarter]: For program point L589(lines 589 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,191 INFO L448 ceAbstractionStarter]: For program point L457(lines 457 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,191 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,191 INFO L448 ceAbstractionStarter]: For program point L1250(lines 1250 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,192 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-12-02 15:04:23,192 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-12-02 15:04:23,192 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-12-02 15:04:23,192 INFO L448 ceAbstractionStarter]: For program point L986(lines 986 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,192 INFO L448 ceAbstractionStarter]: For program point L1449(lines 1449 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,192 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,192 INFO L448 ceAbstractionStarter]: For program point L723(lines 723 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,192 INFO L448 ceAbstractionStarter]: For program point L327(lines 327 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,192 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 15:04:23,192 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 15:04:23,192 INFO L448 ceAbstractionStarter]: For program point L1120(lines 1120 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,192 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 15:04:23,192 INFO L448 ceAbstractionStarter]: For program point L922(lines 922 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,192 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,192 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-12-02 15:04:23,193 INFO L448 ceAbstractionStarter]: For program point L1187(lines 1187 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,193 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-02 15:04:23,193 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-12-02 15:04:23,193 INFO L448 ceAbstractionStarter]: For program point L1055(lines 1055 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,193 INFO L448 ceAbstractionStarter]: For program point L857(lines 857 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,193 INFO L448 ceAbstractionStarter]: For program point L527(lines 527 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,193 INFO L448 ceAbstractionStarter]: For program point L1386(lines 1386 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,193 INFO L448 ceAbstractionStarter]: For program point L594(lines 594 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,193 INFO L448 ceAbstractionStarter]: For program point L1321(lines 1321 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,193 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 15:04:23,193 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 15:04:23,193 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 15:04:23,193 INFO L448 ceAbstractionStarter]: For program point L661(lines 661 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,193 INFO L448 ceAbstractionStarter]: For program point L463(lines 463 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,193 INFO L448 ceAbstractionStarter]: For program point L1256(lines 1256 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,194 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-12-02 15:04:23,194 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-12-02 15:04:23,194 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-12-02 15:04:23,194 INFO L448 ceAbstractionStarter]: For program point L728(lines 728 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,194 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,194 INFO L448 ceAbstractionStarter]: For program point L1125(lines 1125 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,194 INFO L448 ceAbstractionStarter]: For program point L993(lines 993 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,194 INFO L448 ceAbstractionStarter]: For program point L1456(lines 1456 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,194 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,194 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 15:04:23,194 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 15:04:23,194 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 15:04:23,194 INFO L448 ceAbstractionStarter]: For program point L796(lines 796 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,194 INFO L448 ceAbstractionStarter]: For program point L664(lines 664 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,194 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,194 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-12-02 15:04:23,195 INFO L448 ceAbstractionStarter]: For program point L1193(lines 1193 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,195 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-12-02 15:04:23,195 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-12-02 15:04:23,195 INFO L448 ceAbstractionStarter]: For program point L1061(lines 1061 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,195 INFO L448 ceAbstractionStarter]: For program point L929(lines 929 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,195 INFO L448 ceAbstractionStarter]: For program point L863(lines 863 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,195 INFO L448 ceAbstractionStarter]: For program point L533(lines 533 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,195 INFO L448 ceAbstractionStarter]: For program point L1392(lines 1392 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,195 INFO L448 ceAbstractionStarter]: For program point L600(lines 600 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,195 INFO L448 ceAbstractionStarter]: For program point L1327(lines 1327 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,195 INFO L448 ceAbstractionStarter]: For program point L204-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 15:04:23,195 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 15:04:23,195 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 15:04:23,195 INFO L448 ceAbstractionStarter]: For program point L469(lines 469 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,196 INFO L448 ceAbstractionStarter]: For program point L1262(lines 1262 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,196 INFO L448 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2018-12-02 15:04:23,196 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-02 15:04:23,196 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-12-02 15:04:23,196 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 145) no Hoare annotation was computed. [2018-12-02 15:04:23,196 INFO L448 ceAbstractionStarter]: For program point L734(lines 734 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,196 INFO L448 ceAbstractionStarter]: For program point L1461(lines 1461 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,196 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,196 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,196 INFO L448 ceAbstractionStarter]: For program point L1131(lines 1131 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,196 INFO L448 ceAbstractionStarter]: For program point L999(lines 999 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,196 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 15:04:23,196 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 15:04:23,196 INFO L448 ceAbstractionStarter]: For program point L802(lines 802 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,197 INFO L448 ceAbstractionStarter]: For program point L670(lines 670 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,197 INFO L448 ceAbstractionStarter]: For program point L538(lines 538 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,197 INFO L448 ceAbstractionStarter]: For program point L1397(lines 1397 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,197 INFO L448 ceAbstractionStarter]: For program point L274(lines 274 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,197 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-12-02 15:04:23,197 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-12-02 15:04:23,197 INFO L448 ceAbstractionStarter]: For program point L1067(lines 1067 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,197 INFO L448 ceAbstractionStarter]: For program point L935(lines 935 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,197 INFO L448 ceAbstractionStarter]: For program point L869(lines 869 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,197 INFO L448 ceAbstractionStarter]: For program point L1200(lines 1200 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,197 INFO L448 ceAbstractionStarter]: For program point L606(lines 606 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,197 INFO L448 ceAbstractionStarter]: For program point L1267(lines 1267 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,197 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 15:04:23,197 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 15:04:23,197 INFO L448 ceAbstractionStarter]: For program point L1466(lines 1466 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,198 INFO L448 ceAbstractionStarter]: For program point L1334(lines 1334 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,198 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-12-02 15:04:23,198 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-12-02 15:04:23,198 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,198 INFO L448 ceAbstractionStarter]: For program point L1137(lines 1137 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,198 INFO L448 ceAbstractionStarter]: For program point L1005(lines 1005 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,198 INFO L448 ceAbstractionStarter]: For program point L741(lines 741 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,198 INFO L448 ceAbstractionStarter]: For program point L543(lines 543 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,198 INFO L448 ceAbstractionStarter]: For program point L411(lines 411 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,198 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,198 INFO L448 ceAbstractionStarter]: For program point L279(lines 279 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,198 INFO L448 ceAbstractionStarter]: For program point L213(lines 213 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,198 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 15:04:23,198 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 15:04:23,198 INFO L448 ceAbstractionStarter]: For program point L808(lines 808 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,198 INFO L448 ceAbstractionStarter]: For program point L1403(lines 1403 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,199 INFO L448 ceAbstractionStarter]: For program point L1205(lines 1205 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,199 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-12-02 15:04:23,199 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-12-02 15:04:23,199 INFO L448 ceAbstractionStarter]: For program point L1073(lines 1073 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,199 INFO L448 ceAbstractionStarter]: For program point L875(lines 875 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,199 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,199 INFO L448 ceAbstractionStarter]: For program point L942(lines 942 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,199 INFO L448 ceAbstractionStarter]: For program point L612(lines 612 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,199 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 15:04:23,199 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 15:04:23,199 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 23 1492) no Hoare annotation was computed. [2018-12-02 15:04:23,199 INFO L448 ceAbstractionStarter]: For program point L1472(lines 1472 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,199 INFO L448 ceAbstractionStarter]: For program point L1274(lines 1274 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,199 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-12-02 15:04:23,199 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-12-02 15:04:23,199 INFO L448 ceAbstractionStarter]: For program point L746(lines 746 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,199 INFO L448 ceAbstractionStarter]: For program point L680(lines 680 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,199 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,200 INFO L448 ceAbstractionStarter]: For program point L350(lines 350 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,200 INFO L448 ceAbstractionStarter]: For program point L1341(lines 1341 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,200 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,200 INFO L448 ceAbstractionStarter]: For program point L1143(lines 1143 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,200 INFO L448 ceAbstractionStarter]: For program point L1011(lines 1011 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,200 INFO L448 ceAbstractionStarter]: For program point L483(lines 483 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,200 INFO L448 ceAbstractionStarter]: For program point L417(lines 417 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,200 INFO L448 ceAbstractionStarter]: For program point L285(lines 285 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,200 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 15:04:23,200 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 15:04:23,200 INFO L448 ceAbstractionStarter]: For program point L1409(lines 1409 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,200 INFO L448 ceAbstractionStarter]: For program point L1211(lines 1211 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,200 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-02 15:04:23,200 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-12-02 15:04:23,200 INFO L448 ceAbstractionStarter]: For program point L1079(lines 1079 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,200 INFO L448 ceAbstractionStarter]: For program point L815(lines 815 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,200 INFO L448 ceAbstractionStarter]: For program point L948(lines 948 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,201 INFO L448 ceAbstractionStarter]: For program point L882(lines 882 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,201 INFO L448 ceAbstractionStarter]: For program point L618(lines 618 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,201 INFO L448 ceAbstractionStarter]: For program point L1477(lines 1477 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,201 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 15:04:23,201 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 15:04:23,201 INFO L448 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2018-12-02 15:04:23,201 INFO L448 ceAbstractionStarter]: For program point L24-2(lines 23 1492) no Hoare annotation was computed. [2018-12-02 15:04:23,201 INFO L448 ceAbstractionStarter]: For program point L1280(lines 1280 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,201 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,201 INFO L448 ceAbstractionStarter]: For program point L1214(lines 1214 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,201 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-12-02 15:04:23,201 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-12-02 15:04:23,201 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-12-02 15:04:23,201 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,201 INFO L448 ceAbstractionStarter]: For program point L686(lines 686 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,201 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,201 INFO L448 ceAbstractionStarter]: For program point L356(lines 356 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,202 INFO L448 ceAbstractionStarter]: For program point L1347(lines 1347 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,202 INFO L448 ceAbstractionStarter]: For program point L290(lines 290 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,202 INFO L448 ceAbstractionStarter]: For program point L1149(lines 1149 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,202 INFO L448 ceAbstractionStarter]: For program point L489(lines 489 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,202 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 15:04:23,202 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 15:04:23,202 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 15:04:23,202 INFO L448 ceAbstractionStarter]: For program point L1018(lines 1018 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,202 INFO L448 ceAbstractionStarter]: For program point L424(lines 424 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,202 INFO L448 ceAbstractionStarter]: For program point L1415(lines 1415 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,202 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-12-02 15:04:23,202 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-12-02 15:04:23,202 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-12-02 15:04:23,202 INFO L448 ceAbstractionStarter]: For program point L1086(lines 1086 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,202 INFO L448 ceAbstractionStarter]: For program point L954(lines 954 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,202 INFO L448 ceAbstractionStarter]: For program point L888(lines 888 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,202 INFO L448 ceAbstractionStarter]: For program point L822(lines 822 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,202 INFO L448 ceAbstractionStarter]: For program point L624(lines 624 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,203 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 15:04:23,203 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 15:04:23,203 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 15:04:23,203 INFO L448 ceAbstractionStarter]: For program point L691(lines 691 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,203 INFO L448 ceAbstractionStarter]: For program point L1484(lines 1484 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,203 INFO L448 ceAbstractionStarter]: For program point L427(lines 427 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,203 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,203 INFO L448 ceAbstractionStarter]: For program point L1286(lines 1286 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,203 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,203 INFO L448 ceAbstractionStarter]: For program point L1220(lines 1220 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,203 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-12-02 15:04:23,203 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-12-02 15:04:23,203 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-12-02 15:04:23,203 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,203 INFO L448 ceAbstractionStarter]: For program point L560(lines 560 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,203 INFO L448 ceAbstractionStarter]: For program point L1353(lines 1353 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,203 INFO L448 ceAbstractionStarter]: For program point L1155(lines 1155 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,203 INFO L448 ceAbstractionStarter]: For program point L495(lines 495 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,204 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,204 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 15:04:23,204 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 15:04:23,204 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 15:04:23,204 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-12-02 15:04:23,204 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-12-02 15:04:23,204 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-12-02 15:04:23,204 INFO L448 ceAbstractionStarter]: For program point L1025(lines 1025 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,204 INFO L448 ceAbstractionStarter]: For program point L1422(lines 1422 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,204 INFO L448 ceAbstractionStarter]: For program point L1092(lines 1092 1490) no Hoare annotation was computed. [2018-12-02 15:04:23,204 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 15:04:23,204 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (let ((.cse0 (+ ~a18~0 87))) (and (<= .cse0 0) (<= 0 .cse0) (= ~a16~0 11) (= 3 ~a15~0) (= ~a12~0 5))) [2018-12-02 15:04:23,204 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 15:04:23,204 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 15:04:23,204 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 1767 1783) the Hoare annotation is: (or (not (= 3 |old(~a15~0)|)) (not (= 5 |old(~a12~0)|)) (and (= ~a16~0 |old(~a16~0)|) (= 3 ~a15~0) (= ~a18~0 |old(~a18~0)|) (= |old(~a12~0)| ~a12~0)) (not (= 11 |old(~a16~0)|)) (not (= (+ |old(~a18~0)| 87) 0))) [2018-12-02 15:04:23,205 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 1767 1783) no Hoare annotation was computed. [2018-12-02 15:04:23,205 INFO L444 ceAbstractionStarter]: At program point L1781(line 1781) the Hoare annotation is: (let ((.cse1 (not (= ~a16~0 9))) (.cse3 (= 7 ~a12~0)) (.cse0 (not (= ~a15~0 4))) (.cse2 (+ |old(~a18~0)| 87))) (or (= 8 ~a16~0) (and (= 4 ~a15~0) (= 9 ~a16~0)) (and .cse0 .cse1) (not (= 11 |old(~a16~0)|)) (and (not (= ~a16~0 10)) (<= 9 ~a12~0)) (not (= 3 |old(~a15~0)|)) (< .cse2 0) (and (<= ~a12~0 6) .cse1) (not (= 5 |old(~a12~0)|)) (and .cse3 .cse0 (exists ((v_prenex_27 Int)) (let ((.cse4 (mod v_prenex_27 299932))) (and (< v_prenex_27 0) (not (= 0 .cse4)) (<= (+ .cse4 136) ~a18~0))))) (and (= 8 ~a12~0) .cse0) (and (<= (+ ~a18~0 156) 0) .cse3 .cse0) (< 0 .cse2) (and (not (= main_~input~0 0)) (= ~a15~0 3) (= ~a12~0 5)))) [2018-12-02 15:04:23,205 INFO L448 ceAbstractionStarter]: For program point L1781-1(line 1781) no Hoare annotation was computed. [2018-12-02 15:04:23,205 INFO L448 ceAbstractionStarter]: For program point L1778(line 1778) no Hoare annotation was computed. [2018-12-02 15:04:23,205 INFO L444 ceAbstractionStarter]: At program point L1773-2(lines 1773 1782) the Hoare annotation is: (let ((.cse1 (= 4 ~a15~0)) (.cse2 (= 7 ~a12~0)) (.cse0 (not (= ~a15~0 4))) (.cse4 (+ |old(~a18~0)| 87))) (or (= 8 ~a16~0) (and .cse0 (not (= ~a16~0 9))) (not (= 11 |old(~a16~0)|)) (and .cse1 (<= ~a12~0 6)) (not (= 3 |old(~a15~0)|)) (and .cse1 (= 9 ~a16~0)) (not (= 5 |old(~a12~0)|)) (and .cse2 .cse0 (exists ((v_prenex_27 Int)) (let ((.cse3 (mod v_prenex_27 299932))) (and (< v_prenex_27 0) (not (= 0 .cse3)) (<= (+ .cse3 136) ~a18~0))))) (and (= 8 ~a12~0) .cse0) (and (<= (+ ~a18~0 156) 0) .cse2 .cse0) (< 0 .cse4) (and (not (= ~a16~0 10)) (<= 9 ~a12~0)) (< .cse4 0) (and (= ~a15~0 3) (= ~a12~0 5)))) [2018-12-02 15:04:23,205 INFO L448 ceAbstractionStarter]: For program point L1773-3(lines 1767 1783) no Hoare annotation was computed. [2018-12-02 15:04:23,209 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_27,QUANTIFIED] [2018-12-02 15:04:23,210 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_27,QUANTIFIED] [2018-12-02 15:04:23,210 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_27,QUANTIFIED] [2018-12-02 15:04:23,213 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_27,QUANTIFIED] [2018-12-02 15:04:23,213 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_27,QUANTIFIED] [2018-12-02 15:04:23,213 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_27,QUANTIFIED] [2018-12-02 15:04:23,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:04:23 BoogieIcfgContainer [2018-12-02 15:04:23,215 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 15:04:23,215 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 15:04:23,215 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 15:04:23,215 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 15:04:23,215 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:57:48" (3/4) ... [2018-12-02 15:04:23,218 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 15:04:23,221 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 15:04:23,222 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output2 [2018-12-02 15:04:23,222 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-02 15:04:23,222 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 15:04:23,233 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-12-02 15:04:23,234 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-02 15:04:23,252 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((8 == a16 || (!(a15 == 4) && !(a16 == 9))) || !(11 == \old(a16))) || (4 == a15 && a12 <= 6)) || !(3 == \old(a15))) || (4 == a15 && 9 == a16)) || !(5 == \old(a12))) || ((7 == a12 && !(a15 == 4)) && (\exists v_prenex_27 : int :: (v_prenex_27 < 0 && !(0 == v_prenex_27 % 299932)) && v_prenex_27 % 299932 + 136 <= a18))) || (8 == a12 && !(a15 == 4))) || ((a18 + 156 <= 0 && 7 == a12) && !(a15 == 4))) || 0 < \old(a18) + 87) || (!(a16 == 10) && 9 <= a12)) || \old(a18) + 87 < 0) || (a15 == 3 && a12 == 5) [2018-12-02 15:04:23,328 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c65e0b23-8337-4167-af90-0b1bde842a74/bin-2019/utaipan/witness.graphml [2018-12-02 15:04:23,328 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 15:04:23,329 INFO L168 Benchmark]: Toolchain (without parser) took 396771.31 ms. Allocated memory was 1.0 GB in the beginning and 5.3 GB in the end (delta: 4.3 GB). Free memory was 941.6 MB in the beginning and 1.9 GB in the end (delta: -928.3 MB). Peak memory consumption was 3.3 GB. Max. memory is 11.5 GB. [2018-12-02 15:04:23,329 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 15:04:23,330 INFO L168 Benchmark]: CACSL2BoogieTranslator took 579.08 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.9 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -122.6 MB). Peak memory consumption was 68.0 MB. Max. memory is 11.5 GB. [2018-12-02 15:04:23,330 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.38 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. [2018-12-02 15:04:23,330 INFO L168 Benchmark]: Boogie Preprocessor took 67.71 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. [2018-12-02 15:04:23,330 INFO L168 Benchmark]: RCFGBuilder took 1324.50 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 796.8 MB in the end (delta: 252.7 MB). Peak memory consumption was 252.7 MB. Max. memory is 11.5 GB. [2018-12-02 15:04:23,330 INFO L168 Benchmark]: TraceAbstraction took 394651.42 ms. Allocated memory was 1.1 GB in the beginning and 5.3 GB in the end (delta: 4.1 GB). Free memory was 796.8 MB in the beginning and 1.9 GB in the end (delta: -1.1 GB). Peak memory consumption was 4.0 GB. Max. memory is 11.5 GB. [2018-12-02 15:04:23,330 INFO L168 Benchmark]: Witness Printer took 113.65 ms. Allocated memory is still 5.3 GB. Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 2.2 kB). Peak memory consumption was 2.2 kB. Max. memory is 11.5 GB. [2018-12-02 15:04:23,332 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 579.08 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.9 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -122.6 MB). Peak memory consumption was 68.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.38 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 67.71 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1324.50 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 796.8 MB in the end (delta: 252.7 MB). Peak memory consumption was 252.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 394651.42 ms. Allocated memory was 1.1 GB in the beginning and 5.3 GB in the end (delta: 4.1 GB). Free memory was 796.8 MB in the beginning and 1.9 GB in the end (delta: -1.1 GB). Peak memory consumption was 4.0 GB. Max. memory is 11.5 GB. * Witness Printer took 113.65 ms. Allocated memory is still 5.3 GB. Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 2.2 kB). Peak memory consumption was 2.2 kB. 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_prenex_27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_27,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 145]: 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: 1773]: Loop Invariant [2018-12-02 15:04:23,334 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_27,QUANTIFIED] [2018-12-02 15:04:23,334 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_27,QUANTIFIED] [2018-12-02 15:04:23,334 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_27,QUANTIFIED] [2018-12-02 15:04:23,334 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_27,QUANTIFIED] [2018-12-02 15:04:23,334 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_27,QUANTIFIED] [2018-12-02 15:04:23,334 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_27,QUANTIFIED] Derived loop invariant: ((((((((((((8 == a16 || (!(a15 == 4) && !(a16 == 9))) || !(11 == \old(a16))) || (4 == a15 && a12 <= 6)) || !(3 == \old(a15))) || (4 == a15 && 9 == a16)) || !(5 == \old(a12))) || ((7 == a12 && !(a15 == 4)) && (\exists v_prenex_27 : int :: (v_prenex_27 < 0 && !(0 == v_prenex_27 % 299932)) && v_prenex_27 % 299932 + 136 <= a18))) || (8 == a12 && !(a15 == 4))) || ((a18 + 156 <= 0 && 7 == a12) && !(a15 == 4))) || 0 < \old(a18) + 87) || (!(a16 == 10) && 9 <= a12)) || \old(a18) + 87 < 0) || (a15 == 3 && a12 == 5) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 409 locations, 1 error locations. SAFE Result, 394.6s OverallTime, 20 OverallIterations, 13 TraceHistogramMax, 319.6s AutomataDifference, 0.0s DeadEndRemovalTime, 10.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 3135 SDtfs, 55871 SDslu, 4230 SDs, 0 SdLazy, 98709 SolverSat, 10508 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 274.6s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 39754 GetRequests, 39092 SyntacticMatches, 44 SemanticMatches, 618 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15096 ImplicationChecksByTransitivity, 18.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19569occurred in iteration=19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 9.0s AbstIntTime, 17 AbstIntIterations, 4 AbstIntStrong, 0.9977668756494201 AbsIntWeakeningRatio, 0.07186973610331275 AbsIntAvgWeakeningVarsNumRemoved, 16.04267265581134 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.4s AutomataMinimizationTime, 20 MinimizatonAttempts, 5057 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 1239 PreInvPairs, 1446 NumberOfFragments, 1131 HoareAnnotationTreeSize, 1239 FomulaSimplifications, 2153641 FormulaSimplificationTreeSizeReduction, 1.4s HoareSimplificationTime, 9 FomulaSimplificationsInter, 1173975 FormulaSimplificationTreeSizeReductionInter, 8.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.6s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 23.9s InterpolantComputationTime, 39232 NumberOfCodeBlocks, 39232 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 57723 ConstructedInterpolants, 54 QuantifiedInterpolants, 329335011 SizeOfPredicates, 15 NumberOfNonLiveVariables, 23935 ConjunctsInSsa, 62 ConjunctsInUnsatCore, 46 InterpolantComputations, 11 PerfectInterpolantSequences, 153474/180538 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...