./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label06_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e95c1458-10c6-4677-8ab4-cd0f9e5dcdc2/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e95c1458-10c6-4677-8ab4-cd0f9e5dcdc2/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e95c1458-10c6-4677-8ab4-cd0f9e5dcdc2/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e95c1458-10c6-4677-8ab4-cd0f9e5dcdc2/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label06_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e95c1458-10c6-4677-8ab4-cd0f9e5dcdc2/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e95c1458-10c6-4677-8ab4-cd0f9e5dcdc2/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 7255ef06444f99ab088c00bc61034eb7aed45c3b ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 18:05:09,955 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 18:05:09,956 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 18:05:09,963 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 18:05:09,964 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 18:05:09,964 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 18:05:09,965 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 18:05:09,966 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 18:05:09,967 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 18:05:09,968 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 18:05:09,969 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 18:05:09,969 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 18:05:09,970 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 18:05:09,970 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 18:05:09,971 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 18:05:09,972 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 18:05:09,972 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 18:05:09,973 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 18:05:09,975 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 18:05:09,976 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 18:05:09,977 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 18:05:09,978 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 18:05:09,980 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 18:05:09,980 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 18:05:09,980 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 18:05:09,981 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 18:05:09,981 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 18:05:09,982 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 18:05:09,983 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 18:05:09,984 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 18:05:09,984 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 18:05:09,985 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 18:05:09,985 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 18:05:09,985 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 18:05:09,986 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 18:05:09,986 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 18:05:09,986 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e95c1458-10c6-4677-8ab4-cd0f9e5dcdc2/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 18:05:09,997 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 18:05:09,997 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 18:05:09,998 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 18:05:09,998 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 18:05:09,998 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 18:05:09,998 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 18:05:09,999 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 18:05:09,999 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 18:05:09,999 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 18:05:09,999 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 18:05:09,999 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 18:05:09,999 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 18:05:09,999 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 18:05:10,000 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 18:05:10,000 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 18:05:10,000 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 18:05:10,000 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 18:05:10,001 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 18:05:10,001 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 18:05:10,001 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 18:05:10,001 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 18:05:10,001 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 18:05:10,001 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 18:05:10,001 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 18:05:10,002 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 18:05:10,002 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 18:05:10,002 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 18:05:10,002 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 18:05:10,002 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 18:05:10,002 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 18:05:10,003 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 18:05:10,003 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 18:05:10,006 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 18:05:10,006 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 18:05:10,006 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 18:05:10,006 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 18:05:10,006 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 18:05:10,006 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_e95c1458-10c6-4677-8ab4-cd0f9e5dcdc2/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 -> 7255ef06444f99ab088c00bc61034eb7aed45c3b [2018-11-18 18:05:10,026 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 18:05:10,034 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 18:05:10,036 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 18:05:10,037 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 18:05:10,037 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 18:05:10,038 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e95c1458-10c6-4677-8ab4-cd0f9e5dcdc2/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem11_label06_true-unreach-call.c [2018-11-18 18:05:10,073 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e95c1458-10c6-4677-8ab4-cd0f9e5dcdc2/bin-2019/utaipan/data/a85c91793/85b8582833f64cb8823318ba6380d6a0/FLAGdf09b9686 [2018-11-18 18:05:10,557 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 18:05:10,557 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e95c1458-10c6-4677-8ab4-cd0f9e5dcdc2/sv-benchmarks/c/eca-rers2012/Problem11_label06_true-unreach-call.c [2018-11-18 18:05:10,568 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e95c1458-10c6-4677-8ab4-cd0f9e5dcdc2/bin-2019/utaipan/data/a85c91793/85b8582833f64cb8823318ba6380d6a0/FLAGdf09b9686 [2018-11-18 18:05:11,054 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e95c1458-10c6-4677-8ab4-cd0f9e5dcdc2/bin-2019/utaipan/data/a85c91793/85b8582833f64cb8823318ba6380d6a0 [2018-11-18 18:05:11,056 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 18:05:11,057 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 18:05:11,057 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 18:05:11,057 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 18:05:11,060 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 18:05:11,061 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:05:11" (1/1) ... [2018-11-18 18:05:11,063 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4546e68c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:05:11, skipping insertion in model container [2018-11-18 18:05:11,063 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:05:11" (1/1) ... [2018-11-18 18:05:11,070 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 18:05:11,110 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 18:05:11,425 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 18:05:11,428 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 18:05:11,524 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 18:05:11,534 INFO L195 MainTranslator]: Completed translation [2018-11-18 18:05:11,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:05:11 WrapperNode [2018-11-18 18:05:11,534 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 18:05:11,535 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 18:05:11,535 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 18:05:11,535 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 18:05:11,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:05:11" (1/1) ... [2018-11-18 18:05:11,624 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:05:11" (1/1) ... [2018-11-18 18:05:11,631 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 18:05:11,632 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 18:05:11,632 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 18:05:11,632 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 18:05:11,639 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:05:11" (1/1) ... [2018-11-18 18:05:11,639 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:05:11" (1/1) ... [2018-11-18 18:05:11,643 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:05:11" (1/1) ... [2018-11-18 18:05:11,643 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:05:11" (1/1) ... [2018-11-18 18:05:11,668 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:05:11" (1/1) ... [2018-11-18 18:05:11,676 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:05:11" (1/1) ... [2018-11-18 18:05:11,684 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:05:11" (1/1) ... [2018-11-18 18:05:11,691 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 18:05:11,691 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 18:05:11,691 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 18:05:11,691 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 18:05:11,692 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:05:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e95c1458-10c6-4677-8ab4-cd0f9e5dcdc2/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 18:05:11,736 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 18:05:11,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 18:05:11,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 18:05:11,737 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 18:05:11,737 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 18:05:11,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 18:05:11,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 18:05:11,737 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 18:05:11,737 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 18:05:12,907 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 18:05:12,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:05:12 BoogieIcfgContainer [2018-11-18 18:05:12,908 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 18:05:12,908 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 18:05:12,908 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 18:05:12,911 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 18:05:12,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 06:05:11" (1/3) ... [2018-11-18 18:05:12,912 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11f0cc71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:05:12, skipping insertion in model container [2018-11-18 18:05:12,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:05:11" (2/3) ... [2018-11-18 18:05:12,912 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11f0cc71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:05:12, skipping insertion in model container [2018-11-18 18:05:12,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:05:12" (3/3) ... [2018-11-18 18:05:12,914 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label06_true-unreach-call.c [2018-11-18 18:05:12,921 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 18:05:12,926 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 18:05:12,936 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 18:05:12,960 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 18:05:12,961 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 18:05:12,961 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 18:05:12,961 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 18:05:12,961 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 18:05:12,961 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 18:05:12,962 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 18:05:12,962 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 18:05:12,983 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states. [2018-11-18 18:05:12,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-18 18:05:12,989 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 18:05:12,990 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 18:05:12,992 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 18:05:12,996 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:05:12,996 INFO L82 PathProgramCache]: Analyzing trace with hash 712753892, now seen corresponding path program 1 times [2018-11-18 18:05:12,998 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 18:05:13,030 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 18:05:13,030 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 18:05:13,031 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 18:05:13,031 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 18:05:13,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:05:13,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:05:13,250 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 18:05:13,250 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 18:05:13,250 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 18:05:13,255 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 18:05:13,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 18:05:13,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 18:05:13,265 INFO L87 Difference]: Start difference. First operand 293 states. Second operand 3 states. [2018-11-18 18:05:14,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 18:05:14,193 INFO L93 Difference]: Finished difference Result 782 states and 1372 transitions. [2018-11-18 18:05:14,193 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 18:05:14,194 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 70 [2018-11-18 18:05:14,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 18:05:14,202 INFO L225 Difference]: With dead ends: 782 [2018-11-18 18:05:14,203 INFO L226 Difference]: Without dead ends: 487 [2018-11-18 18:05:14,206 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 18:05:14,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2018-11-18 18:05:14,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 482. [2018-11-18 18:05:14,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 482 states. [2018-11-18 18:05:14,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 843 transitions. [2018-11-18 18:05:14,256 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 843 transitions. Word has length 70 [2018-11-18 18:05:14,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 18:05:14,257 INFO L480 AbstractCegarLoop]: Abstraction has 482 states and 843 transitions. [2018-11-18 18:05:14,257 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 18:05:14,257 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 843 transitions. [2018-11-18 18:05:14,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-11-18 18:05:14,262 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 18:05:14,263 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 18:05:14,263 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 18:05:14,263 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:05:14,263 INFO L82 PathProgramCache]: Analyzing trace with hash 1109140143, now seen corresponding path program 1 times [2018-11-18 18:05:14,264 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 18:05:14,264 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 18:05:14,265 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 18:05:14,265 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 18:05:14,265 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 18:05:14,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:05:14,517 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:05:14,517 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 18:05:14,517 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 18:05:14,517 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 18:05:14,519 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 18:05:14,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 18:05:14,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-11-18 18:05:14,519 INFO L87 Difference]: Start difference. First operand 482 states and 843 transitions. Second operand 7 states. [2018-11-18 18:05:16,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 18:05:16,898 INFO L93 Difference]: Finished difference Result 1760 states and 3239 transitions. [2018-11-18 18:05:16,898 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 18:05:16,899 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 145 [2018-11-18 18:05:16,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 18:05:16,907 INFO L225 Difference]: With dead ends: 1760 [2018-11-18 18:05:16,907 INFO L226 Difference]: Without dead ends: 1284 [2018-11-18 18:05:16,911 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2018-11-18 18:05:16,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1284 states. [2018-11-18 18:05:16,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1284 to 1037. [2018-11-18 18:05:16,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1037 states. [2018-11-18 18:05:16,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 1037 states and 1685 transitions. [2018-11-18 18:05:16,958 INFO L78 Accepts]: Start accepts. Automaton has 1037 states and 1685 transitions. Word has length 145 [2018-11-18 18:05:16,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 18:05:16,959 INFO L480 AbstractCegarLoop]: Abstraction has 1037 states and 1685 transitions. [2018-11-18 18:05:16,959 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 18:05:16,959 INFO L276 IsEmpty]: Start isEmpty. Operand 1037 states and 1685 transitions. [2018-11-18 18:05:16,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-11-18 18:05:16,966 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 18:05:16,967 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 18:05:16,967 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 18:05:16,967 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:05:16,967 INFO L82 PathProgramCache]: Analyzing trace with hash -1947386976, now seen corresponding path program 1 times [2018-11-18 18:05:16,967 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 18:05:16,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 18:05:16,968 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 18:05:16,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 18:05:16,968 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 18:05:16,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:05:17,121 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 126 proven. 68 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 18:05:17,122 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 18:05:17,122 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 18:05:17,123 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 219 with the following transitions: [2018-11-18 18:05:17,124 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [495], [499], [503], [506], [507], [511], [514], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-18 18:05:17,157 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 18:05:17,158 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 18:05:17,559 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 18:05:17,560 INFO L272 AbstractInterpreter]: Visited 80 different actions 80 times. Never merged. Never widened. Performed 845 root evaluator evaluations with a maximum evaluation depth of 14. Performed 845 inverse root evaluator evaluations with a maximum inverse evaluation depth of 14. Never found a fixpoint. Largest state had 28 variables. [2018-11-18 18:05:17,579 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:05:17,579 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 18:05:18,148 INFO L227 lantSequenceWeakener]: Weakened 209 states. On average, predicates are now at 73.93% of their original sizes. [2018-11-18 18:05:18,148 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 18:05:18,181 INFO L415 sIntCurrentIteration]: We unified 217 AI predicates to 217 [2018-11-18 18:05:18,181 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 18:05:18,182 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 18:05:18,182 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-11-18 18:05:18,182 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 18:05:18,182 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 18:05:18,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 18:05:18,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 18:05:18,183 INFO L87 Difference]: Start difference. First operand 1037 states and 1685 transitions. Second operand 6 states. [2018-11-18 18:05:49,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 18:05:49,058 INFO L93 Difference]: Finished difference Result 2260 states and 3574 transitions. [2018-11-18 18:05:49,058 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 18:05:49,058 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 218 [2018-11-18 18:05:49,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 18:05:49,062 INFO L225 Difference]: With dead ends: 2260 [2018-11-18 18:05:49,062 INFO L226 Difference]: Without dead ends: 1229 [2018-11-18 18:05:49,063 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 218 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-18 18:05:49,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1229 states. [2018-11-18 18:05:49,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1229 to 1227. [2018-11-18 18:05:49,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1227 states. [2018-11-18 18:05:49,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1227 states to 1227 states and 1883 transitions. [2018-11-18 18:05:49,084 INFO L78 Accepts]: Start accepts. Automaton has 1227 states and 1883 transitions. Word has length 218 [2018-11-18 18:05:49,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 18:05:49,085 INFO L480 AbstractCegarLoop]: Abstraction has 1227 states and 1883 transitions. [2018-11-18 18:05:49,085 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 18:05:49,085 INFO L276 IsEmpty]: Start isEmpty. Operand 1227 states and 1883 transitions. [2018-11-18 18:05:49,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-11-18 18:05:49,087 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 18:05:49,087 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 18:05:49,088 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 18:05:49,088 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:05:49,088 INFO L82 PathProgramCache]: Analyzing trace with hash 24877702, now seen corresponding path program 1 times [2018-11-18 18:05:49,088 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 18:05:49,089 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 18:05:49,089 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 18:05:49,089 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 18:05:49,089 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 18:05:49,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:05:49,273 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 0 proven. 129 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-11-18 18:05:49,273 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 18:05:49,273 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 18:05:49,273 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 263 with the following transitions: [2018-11-18 18:05:49,274 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [495], [499], [503], [507], [511], [514], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-18 18:05:49,277 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 18:05:49,277 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 18:05:49,705 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 18:05:49,705 INFO L272 AbstractInterpreter]: Visited 126 different actions 369 times. Merged at 7 different actions 15 times. Never widened. Performed 4863 root evaluator evaluations with a maximum evaluation depth of 16. Performed 4863 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Found 3 fixpoints after 2 different actions. Largest state had 28 variables. [2018-11-18 18:05:49,715 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:05:49,716 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 18:05:49,716 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 18:05:49,716 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e95c1458-10c6-4677-8ab4-cd0f9e5dcdc2/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 18:05:49,733 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 18:05:49,734 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 18:05:49,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:05:49,797 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 18:06:02,023 WARN L180 SmtUtils]: Spent 10.11 s on a formula simplification. DAG size of input: 118 DAG size of output: 47 [2018-11-18 18:06:02,095 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 0 proven. 129 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-11-18 18:06:02,095 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 18:06:02,185 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-11-18 18:06:02,201 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-18 18:06:02,202 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 6] total 9 [2018-11-18 18:06:02,202 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 18:06:02,202 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 18:06:02,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 18:06:02,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=47, Unknown=1, NotChecked=0, Total=72 [2018-11-18 18:06:02,203 INFO L87 Difference]: Start difference. First operand 1227 states and 1883 transitions. Second operand 3 states. [2018-11-18 18:06:02,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 18:06:02,969 INFO L93 Difference]: Finished difference Result 2966 states and 4885 transitions. [2018-11-18 18:06:02,971 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 18:06:02,971 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 262 [2018-11-18 18:06:02,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 18:06:02,980 INFO L225 Difference]: With dead ends: 2966 [2018-11-18 18:06:02,980 INFO L226 Difference]: Without dead ends: 1935 [2018-11-18 18:06:02,984 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 534 GetRequests, 523 SyntacticMatches, 4 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 12.2s TimeCoverageRelationStatistics Valid=24, Invalid=47, Unknown=1, NotChecked=0, Total=72 [2018-11-18 18:06:02,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1935 states. [2018-11-18 18:06:03,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1935 to 1935. [2018-11-18 18:06:03,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1935 states. [2018-11-18 18:06:03,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1935 states to 1935 states and 2922 transitions. [2018-11-18 18:06:03,025 INFO L78 Accepts]: Start accepts. Automaton has 1935 states and 2922 transitions. Word has length 262 [2018-11-18 18:06:03,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 18:06:03,026 INFO L480 AbstractCegarLoop]: Abstraction has 1935 states and 2922 transitions. [2018-11-18 18:06:03,026 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 18:06:03,026 INFO L276 IsEmpty]: Start isEmpty. Operand 1935 states and 2922 transitions. [2018-11-18 18:06:03,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-11-18 18:06:03,031 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 18:06:03,031 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 18:06:03,031 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 18:06:03,032 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:06:03,032 INFO L82 PathProgramCache]: Analyzing trace with hash 633050955, now seen corresponding path program 1 times [2018-11-18 18:06:03,032 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 18:06:03,032 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 18:06:03,033 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 18:06:03,033 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 18:06:03,033 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 18:06:03,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:06:03,181 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-18 18:06:03,181 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 18:06:03,181 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 18:06:03,181 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 18:06:03,182 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 18:06:03,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 18:06:03,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 18:06:03,182 INFO L87 Difference]: Start difference. First operand 1935 states and 2922 transitions. Second operand 3 states. [2018-11-18 18:06:03,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 18:06:03,984 INFO L93 Difference]: Finished difference Result 4926 states and 7784 transitions. [2018-11-18 18:06:03,984 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 18:06:03,984 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 288 [2018-11-18 18:06:03,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 18:06:03,997 INFO L225 Difference]: With dead ends: 4926 [2018-11-18 18:06:03,997 INFO L226 Difference]: Without dead ends: 3187 [2018-11-18 18:06:04,006 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 18:06:04,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3187 states. [2018-11-18 18:06:04,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3187 to 3182. [2018-11-18 18:06:04,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3182 states. [2018-11-18 18:06:04,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3182 states to 3182 states and 4499 transitions. [2018-11-18 18:06:04,071 INFO L78 Accepts]: Start accepts. Automaton has 3182 states and 4499 transitions. Word has length 288 [2018-11-18 18:06:04,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 18:06:04,071 INFO L480 AbstractCegarLoop]: Abstraction has 3182 states and 4499 transitions. [2018-11-18 18:06:04,071 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 18:06:04,071 INFO L276 IsEmpty]: Start isEmpty. Operand 3182 states and 4499 transitions. [2018-11-18 18:06:04,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2018-11-18 18:06:04,080 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 18:06:04,080 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 18:06:04,080 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 18:06:04,081 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:06:04,081 INFO L82 PathProgramCache]: Analyzing trace with hash -784775536, now seen corresponding path program 1 times [2018-11-18 18:06:04,081 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 18:06:04,081 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 18:06:04,081 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 18:06:04,082 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 18:06:04,082 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 18:06:04,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:06:04,263 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 127 proven. 2 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-11-18 18:06:04,263 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 18:06:04,263 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 18:06:04,264 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 291 with the following transitions: [2018-11-18 18:06:04,264 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [618], [623], [625], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-18 18:06:04,267 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 18:06:04,267 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 18:06:04,493 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 18:06:04,493 INFO L272 AbstractInterpreter]: Visited 125 different actions 244 times. Merged at 5 different actions 5 times. Never widened. Performed 3111 root evaluator evaluations with a maximum evaluation depth of 16. Performed 3111 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-11-18 18:06:04,555 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:06:04,555 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 18:06:04,813 INFO L227 lantSequenceWeakener]: Weakened 285 states. On average, predicates are now at 75.66% of their original sizes. [2018-11-18 18:06:04,813 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 18:06:04,872 INFO L415 sIntCurrentIteration]: We unified 289 AI predicates to 289 [2018-11-18 18:06:04,872 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 18:06:04,872 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 18:06:04,872 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-18 18:06:04,872 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 18:06:04,873 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 18:06:04,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 18:06:04,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 18:06:04,873 INFO L87 Difference]: Start difference. First operand 3182 states and 4499 transitions. Second operand 10 states. [2018-11-18 18:06:43,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 18:06:43,743 INFO L93 Difference]: Finished difference Result 6560 states and 9429 transitions. [2018-11-18 18:06:43,743 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 18:06:43,743 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 290 [2018-11-18 18:06:43,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 18:06:43,754 INFO L225 Difference]: With dead ends: 6560 [2018-11-18 18:06:43,754 INFO L226 Difference]: Without dead ends: 3574 [2018-11-18 18:06:43,761 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 298 GetRequests, 281 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-11-18 18:06:43,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3574 states. [2018-11-18 18:06:43,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3574 to 3567. [2018-11-18 18:06:43,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3567 states. [2018-11-18 18:06:43,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3567 states to 3567 states and 4970 transitions. [2018-11-18 18:06:43,828 INFO L78 Accepts]: Start accepts. Automaton has 3567 states and 4970 transitions. Word has length 290 [2018-11-18 18:06:43,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 18:06:43,829 INFO L480 AbstractCegarLoop]: Abstraction has 3567 states and 4970 transitions. [2018-11-18 18:06:43,829 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 18:06:43,829 INFO L276 IsEmpty]: Start isEmpty. Operand 3567 states and 4970 transitions. [2018-11-18 18:06:43,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-11-18 18:06:43,837 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 18:06:43,837 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 18:06:43,837 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 18:06:43,838 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:06:43,838 INFO L82 PathProgramCache]: Analyzing trace with hash 802470132, now seen corresponding path program 1 times [2018-11-18 18:06:43,838 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 18:06:43,838 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 18:06:43,838 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 18:06:43,839 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 18:06:43,839 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 18:06:43,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:06:44,142 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 131 proven. 83 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 18:06:44,142 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 18:06:44,142 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 18:06:44,142 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 294 with the following transitions: [2018-11-18 18:06:44,142 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [578], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-18 18:06:44,144 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 18:06:44,144 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 18:06:44,337 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 18:06:44,337 INFO L272 AbstractInterpreter]: Visited 141 different actions 414 times. Merged at 7 different actions 15 times. Never widened. Performed 5772 root evaluator evaluations with a maximum evaluation depth of 10. Performed 5772 inverse root evaluator evaluations with a maximum inverse evaluation depth of 10. Found 3 fixpoints after 2 different actions. Largest state had 28 variables. [2018-11-18 18:06:44,339 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:06:44,339 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 18:06:44,339 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 18:06:44,339 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e95c1458-10c6-4677-8ab4-cd0f9e5dcdc2/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 18:06:44,345 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 18:06:44,345 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 18:06:44,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:06:44,397 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 18:06:44,478 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 215 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:06:44,478 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 18:06:44,647 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 215 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:06:44,662 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 18:06:44,663 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 12 [2018-11-18 18:06:44,663 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 18:06:44,663 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-18 18:06:44,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-18 18:06:44,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2018-11-18 18:06:44,664 INFO L87 Difference]: Start difference. First operand 3567 states and 4970 transitions. Second operand 11 states. [2018-11-18 18:06:51,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 18:06:51,845 INFO L93 Difference]: Finished difference Result 20046 states and 32940 transitions. [2018-11-18 18:06:51,846 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2018-11-18 18:06:51,846 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 293 [2018-11-18 18:06:51,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 18:06:51,907 INFO L225 Difference]: With dead ends: 20046 [2018-11-18 18:06:51,907 INFO L226 Difference]: Without dead ends: 16674 [2018-11-18 18:06:51,934 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 683 GetRequests, 611 SyntacticMatches, 2 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1875 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=955, Invalid=4157, Unknown=0, NotChecked=0, Total=5112 [2018-11-18 18:06:51,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16674 states. [2018-11-18 18:06:52,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16674 to 16002. [2018-11-18 18:06:52,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16002 states. [2018-11-18 18:06:52,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16002 states to 16002 states and 23879 transitions. [2018-11-18 18:06:52,213 INFO L78 Accepts]: Start accepts. Automaton has 16002 states and 23879 transitions. Word has length 293 [2018-11-18 18:06:52,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 18:06:52,213 INFO L480 AbstractCegarLoop]: Abstraction has 16002 states and 23879 transitions. [2018-11-18 18:06:52,213 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-18 18:06:52,213 INFO L276 IsEmpty]: Start isEmpty. Operand 16002 states and 23879 transitions. [2018-11-18 18:06:52,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2018-11-18 18:06:52,249 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 18:06:52,249 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 18:06:52,250 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 18:06:52,250 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:06:52,250 INFO L82 PathProgramCache]: Analyzing trace with hash 890845205, now seen corresponding path program 1 times [2018-11-18 18:06:52,250 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 18:06:52,251 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 18:06:52,251 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 18:06:52,251 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 18:06:52,251 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 18:06:52,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:06:52,405 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 372 proven. 2 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-18 18:06:52,406 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 18:06:52,406 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 18:06:52,406 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 374 with the following transitions: [2018-11-18 18:06:52,406 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [578], [579], [583], [587], [591], [594], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-18 18:06:52,409 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 18:06:52,409 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 18:06:52,665 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 18:06:52,666 INFO L272 AbstractInterpreter]: Visited 126 different actions 371 times. Merged at 7 different actions 15 times. Never widened. Performed 4893 root evaluator evaluations with a maximum evaluation depth of 16. Performed 4893 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Found 3 fixpoints after 2 different actions. Largest state had 28 variables. [2018-11-18 18:06:52,666 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:06:52,667 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 18:06:52,920 INFO L227 lantSequenceWeakener]: Weakened 370 states. On average, predicates are now at 77.78% of their original sizes. [2018-11-18 18:06:52,921 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 18:06:52,950 INFO L415 sIntCurrentIteration]: We unified 372 AI predicates to 372 [2018-11-18 18:06:52,950 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 18:06:52,950 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 18:06:52,951 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 13 [2018-11-18 18:06:52,951 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 18:06:52,951 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 18:06:52,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 18:06:52,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 18:06:52,951 INFO L87 Difference]: Start difference. First operand 16002 states and 23879 transitions. Second operand 9 states. [2018-11-18 18:07:24,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 18:07:24,212 INFO L93 Difference]: Finished difference Result 44604 states and 70075 transitions. [2018-11-18 18:07:24,213 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-18 18:07:24,213 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 373 [2018-11-18 18:07:24,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 18:07:24,315 INFO L225 Difference]: With dead ends: 44604 [2018-11-18 18:07:24,315 INFO L226 Difference]: Without dead ends: 30157 [2018-11-18 18:07:24,389 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 379 GetRequests, 365 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-11-18 18:07:24,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30157 states. [2018-11-18 18:07:24,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30157 to 30026. [2018-11-18 18:07:24,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30026 states. [2018-11-18 18:07:24,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30026 states to 30026 states and 41197 transitions. [2018-11-18 18:07:24,944 INFO L78 Accepts]: Start accepts. Automaton has 30026 states and 41197 transitions. Word has length 373 [2018-11-18 18:07:24,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 18:07:24,945 INFO L480 AbstractCegarLoop]: Abstraction has 30026 states and 41197 transitions. [2018-11-18 18:07:24,945 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 18:07:24,945 INFO L276 IsEmpty]: Start isEmpty. Operand 30026 states and 41197 transitions. [2018-11-18 18:07:24,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2018-11-18 18:07:24,989 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 18:07:24,990 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 18:07:24,990 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 18:07:24,990 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:07:24,990 INFO L82 PathProgramCache]: Analyzing trace with hash 1450121645, now seen corresponding path program 1 times [2018-11-18 18:07:24,990 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 18:07:24,991 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 18:07:24,991 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 18:07:24,991 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 18:07:24,991 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 18:07:25,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:07:25,207 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 377 proven. 2 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 18:07:25,207 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 18:07:25,207 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 18:07:25,207 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 377 with the following transitions: [2018-11-18 18:07:25,207 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [495], [499], [503], [507], [510], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [680], [685], [687], [688], [692], [696], [707], [710], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-18 18:07:25,209 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 18:07:25,210 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 18:07:25,547 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 18:07:25,547 INFO L272 AbstractInterpreter]: Visited 127 different actions 375 times. Merged at 7 different actions 18 times. Never widened. Performed 4934 root evaluator evaluations with a maximum evaluation depth of 18. Performed 4934 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 3 fixpoints after 3 different actions. Largest state had 28 variables. [2018-11-18 18:07:25,551 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:07:25,551 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 18:07:25,551 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 18:07:25,551 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e95c1458-10c6-4677-8ab4-cd0f9e5dcdc2/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 18:07:25,557 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 18:07:25,557 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 18:07:25,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:07:25,610 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 18:07:25,678 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 377 proven. 2 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 18:07:25,678 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 18:07:25,771 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 377 proven. 2 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 18:07:25,786 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 18:07:25,786 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 7 [2018-11-18 18:07:25,786 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 18:07:25,787 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 18:07:25,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 18:07:25,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-18 18:07:25,787 INFO L87 Difference]: Start difference. First operand 30026 states and 41197 transitions. Second operand 6 states. [2018-11-18 18:07:26,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 18:07:26,939 INFO L93 Difference]: Finished difference Result 61830 states and 90278 transitions. [2018-11-18 18:07:26,939 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 18:07:26,939 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 376 [2018-11-18 18:07:26,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 18:07:27,066 INFO L225 Difference]: With dead ends: 61830 [2018-11-18 18:07:27,066 INFO L226 Difference]: Without dead ends: 33356 [2018-11-18 18:07:27,160 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 763 GetRequests, 753 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2018-11-18 18:07:27,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33356 states. [2018-11-18 18:07:27,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33356 to 33075. [2018-11-18 18:07:27,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33075 states. [2018-11-18 18:07:27,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33075 states to 33075 states and 44015 transitions. [2018-11-18 18:07:27,646 INFO L78 Accepts]: Start accepts. Automaton has 33075 states and 44015 transitions. Word has length 376 [2018-11-18 18:07:27,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 18:07:27,646 INFO L480 AbstractCegarLoop]: Abstraction has 33075 states and 44015 transitions. [2018-11-18 18:07:27,646 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 18:07:27,646 INFO L276 IsEmpty]: Start isEmpty. Operand 33075 states and 44015 transitions. [2018-11-18 18:07:27,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2018-11-18 18:07:27,682 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 18:07:27,683 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 18:07:27,683 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 18:07:27,683 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:07:27,683 INFO L82 PathProgramCache]: Analyzing trace with hash -2097531144, now seen corresponding path program 1 times [2018-11-18 18:07:27,683 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 18:07:27,684 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 18:07:27,684 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 18:07:27,684 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 18:07:27,684 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 18:07:27,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:07:27,909 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 254 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:07:27,909 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 18:07:27,909 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 18:07:27,909 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 379 with the following transitions: [2018-11-18 18:07:27,909 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [777], [781], [785], [789], [793], [797], [808], [812], [816], [820], [824], [828], [832], [843], [847], [851], [862], [866], [870], [874], [878], [889], [893], [897], [901], [905], [909], [913], [924], [928], [932], [936], [940], [944], [948], [952], [956], [960], [971], [975], [979], [983], [987], [991], [1002], [1013], [1016], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-18 18:07:27,912 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 18:07:27,912 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 18:07:28,129 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 18:07:28,129 INFO L272 AbstractInterpreter]: Visited 186 different actions 545 times. Merged at 5 different actions 9 times. Never widened. Performed 7942 root evaluator evaluations with a maximum evaluation depth of 9. Performed 7942 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-11-18 18:07:28,135 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:07:28,135 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 18:07:28,363 INFO L227 lantSequenceWeakener]: Weakened 375 states. On average, predicates are now at 75.47% of their original sizes. [2018-11-18 18:07:28,363 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 18:07:28,423 INFO L415 sIntCurrentIteration]: We unified 377 AI predicates to 377 [2018-11-18 18:07:28,423 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 18:07:28,423 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 18:07:28,423 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [6] total 16 [2018-11-18 18:07:28,423 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 18:07:28,424 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-18 18:07:28,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-18 18:07:28,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2018-11-18 18:07:28,424 INFO L87 Difference]: Start difference. First operand 33075 states and 44015 transitions. Second operand 12 states. [2018-11-18 18:08:15,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 18:08:15,447 INFO L93 Difference]: Finished difference Result 69215 states and 91741 transitions. [2018-11-18 18:08:15,447 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-11-18 18:08:15,447 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 378 [2018-11-18 18:08:15,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 18:08:15,532 INFO L225 Difference]: With dead ends: 69215 [2018-11-18 18:08:15,532 INFO L226 Difference]: Without dead ends: 37692 [2018-11-18 18:08:15,599 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 393 GetRequests, 367 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=163, Invalid=593, Unknown=0, NotChecked=0, Total=756 [2018-11-18 18:08:15,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37692 states. [2018-11-18 18:08:15,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37692 to 37641. [2018-11-18 18:08:15,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37641 states. [2018-11-18 18:08:16,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37641 states to 37641 states and 49145 transitions. [2018-11-18 18:08:16,013 INFO L78 Accepts]: Start accepts. Automaton has 37641 states and 49145 transitions. Word has length 378 [2018-11-18 18:08:16,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 18:08:16,013 INFO L480 AbstractCegarLoop]: Abstraction has 37641 states and 49145 transitions. [2018-11-18 18:08:16,014 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-18 18:08:16,014 INFO L276 IsEmpty]: Start isEmpty. Operand 37641 states and 49145 transitions. [2018-11-18 18:08:16,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2018-11-18 18:08:16,203 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 18:08:16,203 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 18:08:16,204 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 18:08:16,204 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:08:16,204 INFO L82 PathProgramCache]: Analyzing trace with hash -42574640, now seen corresponding path program 1 times [2018-11-18 18:08:16,204 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 18:08:16,204 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 18:08:16,205 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 18:08:16,205 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 18:08:16,205 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 18:08:16,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:08:16,658 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 390 proven. 2 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-11-18 18:08:16,658 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 18:08:16,658 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 18:08:16,658 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 390 with the following transitions: [2018-11-18 18:08:16,659 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [562], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [680], [685], [687], [688], [692], [696], [707], [710], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-18 18:08:16,660 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 18:08:16,661 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 18:08:17,115 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 18:08:17,115 INFO L272 AbstractInterpreter]: Visited 129 different actions 628 times. Merged at 8 different actions 35 times. Never widened. Performed 8677 root evaluator evaluations with a maximum evaluation depth of 16. Performed 8677 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Found 8 fixpoints after 2 different actions. Largest state had 28 variables. [2018-11-18 18:08:17,116 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:08:17,117 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 18:08:17,117 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 18:08:17,117 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e95c1458-10c6-4677-8ab4-cd0f9e5dcdc2/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 18:08:17,122 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 18:08:17,122 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 18:08:17,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:08:17,182 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 18:08:17,263 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 390 proven. 2 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-11-18 18:08:17,264 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 18:08:17,474 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 390 proven. 2 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-11-18 18:08:17,490 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 18:08:17,490 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 5, 5] total 18 [2018-11-18 18:08:17,490 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 18:08:17,490 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-18 18:08:17,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-18 18:08:17,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=251, Unknown=0, NotChecked=0, Total=306 [2018-11-18 18:08:17,491 INFO L87 Difference]: Start difference. First operand 37641 states and 49145 transitions. Second operand 16 states. [2018-11-18 18:08:21,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 18:08:21,428 INFO L93 Difference]: Finished difference Result 73369 states and 100408 transitions. [2018-11-18 18:08:21,429 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-11-18 18:08:21,429 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 389 [2018-11-18 18:08:21,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 18:08:21,519 INFO L225 Difference]: With dead ends: 73369 [2018-11-18 18:08:21,519 INFO L226 Difference]: Without dead ends: 37280 [2018-11-18 18:08:21,617 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 850 GetRequests, 802 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 574 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=529, Invalid=1921, Unknown=0, NotChecked=0, Total=2450 [2018-11-18 18:08:21,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37280 states. [2018-11-18 18:08:21,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37280 to 37058. [2018-11-18 18:08:21,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37058 states. [2018-11-18 18:08:22,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37058 states to 37058 states and 49552 transitions. [2018-11-18 18:08:22,037 INFO L78 Accepts]: Start accepts. Automaton has 37058 states and 49552 transitions. Word has length 389 [2018-11-18 18:08:22,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 18:08:22,037 INFO L480 AbstractCegarLoop]: Abstraction has 37058 states and 49552 transitions. [2018-11-18 18:08:22,037 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-18 18:08:22,037 INFO L276 IsEmpty]: Start isEmpty. Operand 37058 states and 49552 transitions. [2018-11-18 18:08:22,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 413 [2018-11-18 18:08:22,071 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 18:08:22,072 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 18:08:22,072 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 18:08:22,072 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:08:22,072 INFO L82 PathProgramCache]: Analyzing trace with hash -1808165704, now seen corresponding path program 1 times [2018-11-18 18:08:22,072 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 18:08:22,072 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 18:08:22,073 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 18:08:22,073 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 18:08:22,073 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 18:08:22,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:08:22,203 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 195 proven. 0 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2018-11-18 18:08:22,203 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 18:08:22,203 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 18:08:22,203 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 18:08:22,204 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 18:08:22,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 18:08:22,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 18:08:22,204 INFO L87 Difference]: Start difference. First operand 37058 states and 49552 transitions. Second operand 3 states. [2018-11-18 18:08:23,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 18:08:23,140 INFO L93 Difference]: Finished difference Result 66599 states and 90493 transitions. [2018-11-18 18:08:23,140 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 18:08:23,141 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 412 [2018-11-18 18:08:23,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 18:08:23,207 INFO L225 Difference]: With dead ends: 66599 [2018-11-18 18:08:23,207 INFO L226 Difference]: Without dead ends: 31099 [2018-11-18 18:08:23,286 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 18:08:23,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31099 states. [2018-11-18 18:08:23,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31099 to 30893. [2018-11-18 18:08:23,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30893 states. [2018-11-18 18:08:23,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30893 states to 30893 states and 40154 transitions. [2018-11-18 18:08:23,614 INFO L78 Accepts]: Start accepts. Automaton has 30893 states and 40154 transitions. Word has length 412 [2018-11-18 18:08:23,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 18:08:23,614 INFO L480 AbstractCegarLoop]: Abstraction has 30893 states and 40154 transitions. [2018-11-18 18:08:23,614 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 18:08:23,614 INFO L276 IsEmpty]: Start isEmpty. Operand 30893 states and 40154 transitions. [2018-11-18 18:08:23,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-11-18 18:08:23,644 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 18:08:23,644 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2018-11-18 18:08:23,644 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 18:08:23,644 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:08:23,644 INFO L82 PathProgramCache]: Analyzing trace with hash -1007106465, now seen corresponding path program 1 times [2018-11-18 18:08:23,644 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 18:08:23,645 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 18:08:23,645 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 18:08:23,645 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 18:08:23,645 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 18:08:23,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:08:23,818 INFO L134 CoverageAnalysis]: Checked inductivity of 518 backedges. 195 proven. 217 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2018-11-18 18:08:23,818 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 18:08:23,818 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 18:08:23,819 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 426 with the following transitions: [2018-11-18 18:08:23,819 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [653], [654], [658], [662], [666], [677], [680], [685], [687], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-18 18:08:23,821 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 18:08:23,821 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 18:08:24,116 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 18:08:24,116 INFO L272 AbstractInterpreter]: Visited 144 different actions 569 times. Merged at 8 different actions 30 times. Never widened. Performed 7971 root evaluator evaluations with a maximum evaluation depth of 16. Performed 7971 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Found 7 fixpoints after 2 different actions. Largest state had 28 variables. [2018-11-18 18:08:24,119 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:08:24,119 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 18:08:24,119 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 18:08:24,119 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e95c1458-10c6-4677-8ab4-cd0f9e5dcdc2/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 18:08:24,126 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 18:08:24,126 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 18:08:24,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:08:24,188 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 18:08:24,595 WARN L854 $PredicateComparison]: unable to prove that (or (exists ((v_~a29~0_560 Int)) (let ((.cse0 (mod v_~a29~0_560 15))) (and (not (= .cse0 0)) (< v_~a29~0_560 0) (<= c_~a29~0 (+ .cse0 245)) (<= |c_old(~a29~0)| v_~a29~0_560)))) (exists ((v_prenex_19 Int)) (let ((.cse1 (mod v_prenex_19 15))) (and (= .cse1 0) (<= |c_old(~a29~0)| v_prenex_19) (<= c_~a29~0 (+ .cse1 260))))) (exists ((v_prenex_20 Int)) (and (<= 0 v_prenex_20) (<= |c_old(~a29~0)| v_prenex_20) (<= c_~a29~0 (+ (mod v_prenex_20 15) 260))))) is different from true [2018-11-18 18:08:24,691 INFO L134 CoverageAnalysis]: Checked inductivity of 518 backedges. 347 proven. 105 refuted. 0 times theorem prover too weak. 64 trivial. 2 not checked. [2018-11-18 18:08:24,691 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 18:08:24,802 INFO L134 CoverageAnalysis]: Checked inductivity of 518 backedges. 300 proven. 107 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2018-11-18 18:08:24,818 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 18:08:24,818 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 5] total 12 [2018-11-18 18:08:24,818 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 18:08:24,818 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 18:08:24,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 18:08:24,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=83, Unknown=1, NotChecked=18, Total=132 [2018-11-18 18:08:24,819 INFO L87 Difference]: Start difference. First operand 30893 states and 40154 transitions. Second operand 10 states. [2018-11-18 18:08:29,589 WARN L180 SmtUtils]: Spent 3.59 s on a formula simplification. DAG size of input: 38 DAG size of output: 16 [2018-11-18 18:08:33,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 18:08:33,497 INFO L93 Difference]: Finished difference Result 78181 states and 110036 transitions. [2018-11-18 18:08:33,497 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-11-18 18:08:33,497 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 425 [2018-11-18 18:08:33,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 18:08:33,635 INFO L225 Difference]: With dead ends: 78181 [2018-11-18 18:08:33,635 INFO L226 Difference]: Without dead ends: 47871 [2018-11-18 18:08:33,719 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 888 GetRequests, 859 SyntacticMatches, 4 SemanticMatches, 25 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=170, Invalid=480, Unknown=4, NotChecked=48, Total=702 [2018-11-18 18:08:33,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47871 states. [2018-11-18 18:08:34,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47871 to 47317. [2018-11-18 18:08:34,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47317 states. [2018-11-18 18:08:34,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47317 states to 47317 states and 61955 transitions. [2018-11-18 18:08:34,327 INFO L78 Accepts]: Start accepts. Automaton has 47317 states and 61955 transitions. Word has length 425 [2018-11-18 18:08:34,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 18:08:34,327 INFO L480 AbstractCegarLoop]: Abstraction has 47317 states and 61955 transitions. [2018-11-18 18:08:34,327 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 18:08:34,328 INFO L276 IsEmpty]: Start isEmpty. Operand 47317 states and 61955 transitions. [2018-11-18 18:08:34,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 435 [2018-11-18 18:08:34,377 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 18:08:34,378 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 18:08:34,378 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 18:08:34,378 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:08:34,378 INFO L82 PathProgramCache]: Analyzing trace with hash -1052569987, now seen corresponding path program 1 times [2018-11-18 18:08:34,378 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 18:08:34,378 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 18:08:34,379 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 18:08:34,379 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 18:08:34,379 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 18:08:34,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:08:35,023 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 416 proven. 2 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2018-11-18 18:08:35,023 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 18:08:35,023 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 18:08:35,023 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 435 with the following transitions: [2018-11-18 18:08:35,023 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [680], [685], [687], [688], [692], [696], [707], [710], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [777], [781], [784], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-18 18:08:35,025 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 18:08:35,025 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 18:08:35,446 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 18:08:35,446 INFO L272 AbstractInterpreter]: Visited 144 different actions 703 times. Merged at 8 different actions 34 times. Never widened. Performed 9850 root evaluator evaluations with a maximum evaluation depth of 16. Performed 9850 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Found 8 fixpoints after 2 different actions. Largest state had 28 variables. [2018-11-18 18:08:35,447 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:08:35,447 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 18:08:35,447 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 18:08:35,447 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e95c1458-10c6-4677-8ab4-cd0f9e5dcdc2/bin-2019/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 18:08:35,453 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 18:08:35,453 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 18:08:35,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:08:35,514 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 18:08:35,642 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 202 proven. 4 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked. [2018-11-18 18:08:35,642 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 18:08:35,882 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 202 proven. 216 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2018-11-18 18:08:35,897 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 18:08:35,897 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 8] total 21 [2018-11-18 18:08:35,897 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 18:08:35,898 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-18 18:08:35,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-18 18:08:35,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=348, Unknown=0, NotChecked=0, Total=420 [2018-11-18 18:08:35,898 INFO L87 Difference]: Start difference. First operand 47317 states and 61955 transitions. Second operand 16 states. [2018-11-18 18:08:42,612 WARN L180 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 22 [2018-11-18 18:08:42,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 18:08:42,932 INFO L93 Difference]: Finished difference Result 105311 states and 152942 transitions. [2018-11-18 18:08:42,933 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2018-11-18 18:08:42,933 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 434 [2018-11-18 18:08:42,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 18:08:43,107 INFO L225 Difference]: With dead ends: 105311 [2018-11-18 18:08:43,107 INFO L226 Difference]: Without dead ends: 60325 [2018-11-18 18:08:43,188 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 993 GetRequests, 908 SyntacticMatches, 1 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2240 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=1354, Invalid=5956, Unknown=0, NotChecked=0, Total=7310 [2018-11-18 18:08:43,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60325 states. [2018-11-18 18:08:43,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60325 to 59380. [2018-11-18 18:08:43,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59380 states. [2018-11-18 18:08:44,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59380 states to 59380 states and 82982 transitions. [2018-11-18 18:08:44,037 INFO L78 Accepts]: Start accepts. Automaton has 59380 states and 82982 transitions. Word has length 434 [2018-11-18 18:08:44,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 18:08:44,037 INFO L480 AbstractCegarLoop]: Abstraction has 59380 states and 82982 transitions. [2018-11-18 18:08:44,037 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-18 18:08:44,037 INFO L276 IsEmpty]: Start isEmpty. Operand 59380 states and 82982 transitions. [2018-11-18 18:08:44,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 504 [2018-11-18 18:08:44,152 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 18:08:44,152 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 18:08:44,152 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 18:08:44,152 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:08:44,152 INFO L82 PathProgramCache]: Analyzing trace with hash 2019372347, now seen corresponding path program 1 times [2018-11-18 18:08:44,152 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 18:08:44,153 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 18:08:44,153 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 18:08:44,153 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 18:08:44,153 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 18:08:44,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:08:44,380 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 268 proven. 2 refuted. 0 times theorem prover too weak. 542 trivial. 0 not checked. [2018-11-18 18:08:44,380 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 18:08:44,381 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 18:08:44,381 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 504 with the following transitions: [2018-11-18 18:08:44,381 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [562], [563], [567], [571], [575], [578], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [777], [781], [785], [789], [793], [797], [800], [805], [807], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-18 18:08:44,383 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 18:08:44,383 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 18:08:44,884 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 18:08:44,885 INFO L272 AbstractInterpreter]: Visited 149 different actions 731 times. Merged at 9 different actions 38 times. Never widened. Performed 10313 root evaluator evaluations with a maximum evaluation depth of 16. Performed 10313 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Found 11 fixpoints after 3 different actions. Largest state had 28 variables. [2018-11-18 18:08:44,887 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:08:44,887 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 18:08:44,887 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 18:08:44,887 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e95c1458-10c6-4677-8ab4-cd0f9e5dcdc2/bin-2019/utaipan/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 18:08:44,893 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 18:08:44,893 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 18:08:44,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:08:44,962 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 18:08:45,021 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 461 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2018-11-18 18:08:45,022 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 18:08:45,096 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 268 proven. 2 refuted. 0 times theorem prover too weak. 542 trivial. 0 not checked. [2018-11-18 18:08:45,112 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-18 18:08:45,112 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [3, 3] total 3 [2018-11-18 18:08:45,112 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 18:08:45,112 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 18:08:45,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 18:08:45,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 18:08:45,113 INFO L87 Difference]: Start difference. First operand 59380 states and 82982 transitions. Second operand 3 states. [2018-11-18 18:08:46,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 18:08:46,354 INFO L93 Difference]: Finished difference Result 136375 states and 199162 transitions. [2018-11-18 18:08:46,355 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 18:08:46,355 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 503 [2018-11-18 18:08:46,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 18:08:46,500 INFO L225 Difference]: With dead ends: 136375 [2018-11-18 18:08:46,500 INFO L226 Difference]: Without dead ends: 55999 [2018-11-18 18:08:46,911 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1008 GetRequests, 1007 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 18:08:46,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55999 states. [2018-11-18 18:08:47,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55999 to 55991. [2018-11-18 18:08:47,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55991 states. [2018-11-18 18:08:47,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55991 states to 55991 states and 74488 transitions. [2018-11-18 18:08:47,529 INFO L78 Accepts]: Start accepts. Automaton has 55991 states and 74488 transitions. Word has length 503 [2018-11-18 18:08:47,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 18:08:47,529 INFO L480 AbstractCegarLoop]: Abstraction has 55991 states and 74488 transitions. [2018-11-18 18:08:47,529 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 18:08:47,529 INFO L276 IsEmpty]: Start isEmpty. Operand 55991 states and 74488 transitions. [2018-11-18 18:08:47,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 527 [2018-11-18 18:08:47,633 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 18:08:47,633 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 18:08:47,633 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 18:08:47,633 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:08:47,633 INFO L82 PathProgramCache]: Analyzing trace with hash 893948707, now seen corresponding path program 1 times [2018-11-18 18:08:47,634 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 18:08:47,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 18:08:47,634 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 18:08:47,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 18:08:47,634 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 18:08:47,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:08:48,209 INFO L134 CoverageAnalysis]: Checked inductivity of 856 backedges. 569 proven. 2 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2018-11-18 18:08:48,210 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 18:08:48,210 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 18:08:48,210 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 527 with the following transitions: [2018-11-18 18:08:48,210 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [562], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [680], [685], [687], [688], [692], [696], [707], [710], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [777], [781], [785], [789], [793], [797], [808], [811], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-18 18:08:48,212 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 18:08:48,212 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 18:08:48,685 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 18:08:48,685 INFO L272 AbstractInterpreter]: Visited 150 different actions 738 times. Merged at 9 different actions 40 times. Never widened. Performed 10358 root evaluator evaluations with a maximum evaluation depth of 16. Performed 10358 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Found 11 fixpoints after 2 different actions. Largest state had 28 variables. [2018-11-18 18:08:48,695 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:08:48,695 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 18:08:48,695 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 18:08:48,695 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e95c1458-10c6-4677-8ab4-cd0f9e5dcdc2/bin-2019/utaipan/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 18:08:48,705 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 18:08:48,705 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 18:08:48,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:08:48,773 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 18:08:49,172 INFO L134 CoverageAnalysis]: Checked inductivity of 856 backedges. 569 proven. 2 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2018-11-18 18:08:49,172 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 18:08:49,929 INFO L134 CoverageAnalysis]: Checked inductivity of 856 backedges. 569 proven. 2 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2018-11-18 18:08:49,944 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 18:08:49,944 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 8] total 20 [2018-11-18 18:08:49,944 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 18:08:49,945 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-18 18:08:49,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-18 18:08:49,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=305, Unknown=0, NotChecked=0, Total=380 [2018-11-18 18:08:49,946 INFO L87 Difference]: Start difference. First operand 55991 states and 74488 transitions. Second operand 15 states. [2018-11-18 18:08:54,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 18:08:54,165 INFO L93 Difference]: Finished difference Result 110752 states and 149112 transitions. [2018-11-18 18:08:54,166 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-11-18 18:08:54,166 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 526 [2018-11-18 18:08:54,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 18:08:54,305 INFO L225 Difference]: With dead ends: 110752 [2018-11-18 18:08:54,305 INFO L226 Difference]: Without dead ends: 57092 [2018-11-18 18:08:54,413 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1114 GetRequests, 1063 SyntacticMatches, 3 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 569 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=557, Invalid=1893, Unknown=0, NotChecked=0, Total=2450 [2018-11-18 18:08:54,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57092 states. [2018-11-18 18:08:54,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57092 to 56701. [2018-11-18 18:08:54,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56701 states. [2018-11-18 18:08:55,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56701 states to 56701 states and 74631 transitions. [2018-11-18 18:08:55,106 INFO L78 Accepts]: Start accepts. Automaton has 56701 states and 74631 transitions. Word has length 526 [2018-11-18 18:08:55,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 18:08:55,107 INFO L480 AbstractCegarLoop]: Abstraction has 56701 states and 74631 transitions. [2018-11-18 18:08:55,107 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-18 18:08:55,107 INFO L276 IsEmpty]: Start isEmpty. Operand 56701 states and 74631 transitions. [2018-11-18 18:08:55,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 528 [2018-11-18 18:08:55,211 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 18:08:55,212 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 18:08:55,212 INFO L423 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 18:08:55,212 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:08:55,212 INFO L82 PathProgramCache]: Analyzing trace with hash 1683737288, now seen corresponding path program 1 times [2018-11-18 18:08:55,212 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 18:08:55,213 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 18:08:55,213 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 18:08:55,213 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 18:08:55,213 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 18:08:55,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:08:55,750 INFO L134 CoverageAnalysis]: Checked inductivity of 856 backedges. 569 proven. 2 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2018-11-18 18:08:55,750 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 18:08:55,750 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 18:08:55,750 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 528 with the following transitions: [2018-11-18 18:08:55,750 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [562], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [680], [685], [687], [688], [692], [696], [707], [710], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [777], [781], [785], [789], [793], [797], [800], [803], [807], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-18 18:08:55,752 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 18:08:55,752 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 18:08:56,343 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 18:08:56,343 INFO L272 AbstractInterpreter]: Visited 151 different actions 739 times. Merged at 9 different actions 40 times. Never widened. Performed 10278 root evaluator evaluations with a maximum evaluation depth of 16. Performed 10278 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Found 11 fixpoints after 2 different actions. Largest state had 28 variables. [2018-11-18 18:08:56,347 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:08:56,347 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 18:08:56,347 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 18:08:56,347 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e95c1458-10c6-4677-8ab4-cd0f9e5dcdc2/bin-2019/utaipan/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 18:08:56,354 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 18:08:56,354 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 18:08:56,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:08:56,423 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 18:08:56,773 INFO L134 CoverageAnalysis]: Checked inductivity of 856 backedges. 569 proven. 2 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2018-11-18 18:08:56,773 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 18:08:57,195 INFO L134 CoverageAnalysis]: Checked inductivity of 856 backedges. 569 proven. 2 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2018-11-18 18:08:57,210 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 18:08:57,210 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8, 9] total 22 [2018-11-18 18:08:57,210 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 18:08:57,211 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-18 18:08:57,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-18 18:08:57,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=374, Unknown=0, NotChecked=0, Total=462 [2018-11-18 18:08:57,211 INFO L87 Difference]: Start difference. First operand 56701 states and 74631 transitions. Second operand 17 states. [2018-11-18 18:09:01,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 18:09:01,808 INFO L93 Difference]: Finished difference Result 111502 states and 152112 transitions. [2018-11-18 18:09:01,808 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-11-18 18:09:01,808 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 527 [2018-11-18 18:09:01,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 18:09:01,944 INFO L225 Difference]: With dead ends: 111502 [2018-11-18 18:09:01,944 INFO L226 Difference]: Without dead ends: 57132 [2018-11-18 18:09:02,036 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1115 GetRequests, 1064 SyntacticMatches, 3 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 573 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=587, Invalid=1863, Unknown=0, NotChecked=0, Total=2450 [2018-11-18 18:09:02,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57132 states. [2018-11-18 18:09:02,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57132 to 56385. [2018-11-18 18:09:02,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56385 states. [2018-11-18 18:09:02,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56385 states to 56385 states and 73339 transitions. [2018-11-18 18:09:02,735 INFO L78 Accepts]: Start accepts. Automaton has 56385 states and 73339 transitions. Word has length 527 [2018-11-18 18:09:02,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 18:09:02,736 INFO L480 AbstractCegarLoop]: Abstraction has 56385 states and 73339 transitions. [2018-11-18 18:09:02,736 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-18 18:09:02,736 INFO L276 IsEmpty]: Start isEmpty. Operand 56385 states and 73339 transitions. [2018-11-18 18:09:02,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 536 [2018-11-18 18:09:02,843 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 18:09:02,843 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 18:09:02,843 INFO L423 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 18:09:02,843 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:09:02,843 INFO L82 PathProgramCache]: Analyzing trace with hash 503093049, now seen corresponding path program 1 times [2018-11-18 18:09:02,843 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 18:09:02,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 18:09:02,844 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 18:09:02,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 18:09:02,844 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 18:09:02,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:09:03,097 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 421 proven. 78 refuted. 0 times theorem prover too weak. 346 trivial. 0 not checked. [2018-11-18 18:09:03,097 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 18:09:03,097 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 18:09:03,097 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 536 with the following transitions: [2018-11-18 18:09:03,097 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [530], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [680], [685], [687], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [777], [781], [785], [789], [793], [797], [808], [812], [816], [819], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-18 18:09:03,099 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 18:09:03,099 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 18:09:03,397 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 18:09:03,397 INFO L272 AbstractInterpreter]: Visited 154 different actions 613 times. Merged at 9 different actions 34 times. Widened at 1 different actions 1 times. Performed 8632 root evaluator evaluations with a maximum evaluation depth of 16. Performed 8632 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Found 9 fixpoints after 3 different actions. Largest state had 28 variables. [2018-11-18 18:09:03,399 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:09:03,399 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 18:09:03,399 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 18:09:03,400 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e95c1458-10c6-4677-8ab4-cd0f9e5dcdc2/bin-2019/utaipan/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 18:09:03,406 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 18:09:03,406 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 18:09:03,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:09:03,477 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 18:09:03,560 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 652 proven. 2 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2018-11-18 18:09:03,560 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 18:09:03,693 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 421 proven. 78 refuted. 0 times theorem prover too weak. 346 trivial. 0 not checked. [2018-11-18 18:09:03,709 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 18:09:03,709 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 12 [2018-11-18 18:09:03,709 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 18:09:03,709 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 18:09:03,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 18:09:03,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2018-11-18 18:09:03,710 INFO L87 Difference]: Start difference. First operand 56385 states and 73339 transitions. Second operand 9 states. [2018-11-18 18:09:06,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 18:09:06,419 INFO L93 Difference]: Finished difference Result 118620 states and 185492 transitions. [2018-11-18 18:09:06,419 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 18:09:06,419 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 535 [2018-11-18 18:09:06,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 18:09:06,695 INFO L225 Difference]: With dead ends: 118620 [2018-11-18 18:09:06,695 INFO L226 Difference]: Without dead ends: 64566 [2018-11-18 18:09:06,852 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1087 GetRequests, 1071 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=207, Unknown=0, NotChecked=0, Total=306 [2018-11-18 18:09:06,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64566 states. [2018-11-18 18:09:07,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64566 to 63761. [2018-11-18 18:09:07,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63761 states. [2018-11-18 18:09:08,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63761 states to 63761 states and 96151 transitions. [2018-11-18 18:09:08,185 INFO L78 Accepts]: Start accepts. Automaton has 63761 states and 96151 transitions. Word has length 535 [2018-11-18 18:09:08,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 18:09:08,185 INFO L480 AbstractCegarLoop]: Abstraction has 63761 states and 96151 transitions. [2018-11-18 18:09:08,185 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 18:09:08,185 INFO L276 IsEmpty]: Start isEmpty. Operand 63761 states and 96151 transitions. [2018-11-18 18:09:08,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 560 [2018-11-18 18:09:08,372 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 18:09:08,373 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 18:09:08,373 INFO L423 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 18:09:08,373 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:09:08,373 INFO L82 PathProgramCache]: Analyzing trace with hash -1273919621, now seen corresponding path program 1 times [2018-11-18 18:09:08,373 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 18:09:08,374 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 18:09:08,374 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 18:09:08,374 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 18:09:08,374 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 18:09:08,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:09:08,952 INFO L134 CoverageAnalysis]: Checked inductivity of 856 backedges. 569 proven. 2 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2018-11-18 18:09:08,952 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 18:09:08,952 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 18:09:08,952 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 560 with the following transitions: [2018-11-18 18:09:08,953 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [562], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [680], [685], [687], [688], [692], [696], [707], [710], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [777], [781], [785], [789], [793], [797], [808], [812], [816], [820], [824], [828], [832], [843], [847], [851], [862], [866], [870], [874], [878], [889], [893], [897], [901], [905], [909], [913], [924], [928], [932], [936], [940], [944], [948], [952], [956], [960], [963], [968], [970], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-18 18:09:08,955 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 18:09:08,955 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 18:09:09,510 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 18:09:09,510 INFO L272 AbstractInterpreter]: Visited 183 different actions 903 times. Merged at 9 different actions 44 times. Widened at 1 different actions 1 times. Performed 13083 root evaluator evaluations with a maximum evaluation depth of 16. Performed 13083 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Found 11 fixpoints after 3 different actions. Largest state had 28 variables. [2018-11-18 18:09:09,515 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:09:09,515 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 18:09:09,515 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 18:09:09,515 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e95c1458-10c6-4677-8ab4-cd0f9e5dcdc2/bin-2019/utaipan/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 18:09:09,521 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 18:09:09,521 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 18:09:09,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:09:09,596 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 18:09:09,955 INFO L134 CoverageAnalysis]: Checked inductivity of 856 backedges. 569 proven. 2 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2018-11-18 18:09:09,955 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 18:09:10,139 INFO L134 CoverageAnalysis]: Checked inductivity of 856 backedges. 569 proven. 2 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2018-11-18 18:09:10,154 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 18:09:10,155 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 6, 6] total 20 [2018-11-18 18:09:10,155 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 18:09:10,155 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-18 18:09:10,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-18 18:09:10,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=324, Unknown=0, NotChecked=0, Total=380 [2018-11-18 18:09:10,156 INFO L87 Difference]: Start difference. First operand 63761 states and 96151 transitions. Second operand 17 states. [2018-11-18 18:09:19,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 18:09:19,441 INFO L93 Difference]: Finished difference Result 134218 states and 211167 transitions. [2018-11-18 18:09:19,442 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2018-11-18 18:09:19,442 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 559 [2018-11-18 18:09:19,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 18:09:19,691 INFO L225 Difference]: With dead ends: 134218 [2018-11-18 18:09:19,691 INFO L226 Difference]: Without dead ends: 68710 [2018-11-18 18:09:19,910 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1224 GetRequests, 1148 SyntacticMatches, 1 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1600 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=1118, Invalid=4734, Unknown=0, NotChecked=0, Total=5852 [2018-11-18 18:09:19,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68710 states. [2018-11-18 18:09:21,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68710 to 66009. [2018-11-18 18:09:21,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66009 states. [2018-11-18 18:09:21,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66009 states to 66009 states and 92053 transitions. [2018-11-18 18:09:21,279 INFO L78 Accepts]: Start accepts. Automaton has 66009 states and 92053 transitions. Word has length 559 [2018-11-18 18:09:21,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 18:09:21,279 INFO L480 AbstractCegarLoop]: Abstraction has 66009 states and 92053 transitions. [2018-11-18 18:09:21,279 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-18 18:09:21,279 INFO L276 IsEmpty]: Start isEmpty. Operand 66009 states and 92053 transitions. [2018-11-18 18:09:21,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 624 [2018-11-18 18:09:21,564 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 18:09:21,565 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 18:09:21,565 INFO L423 AbstractCegarLoop]: === Iteration 20 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 18:09:21,565 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:09:21,565 INFO L82 PathProgramCache]: Analyzing trace with hash -1350075781, now seen corresponding path program 1 times [2018-11-18 18:09:21,565 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 18:09:21,566 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 18:09:21,566 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 18:09:21,566 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 18:09:21,566 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 18:09:21,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:09:21,732 INFO L134 CoverageAnalysis]: Checked inductivity of 1361 backedges. 341 proven. 4 refuted. 0 times theorem prover too weak. 1016 trivial. 0 not checked. [2018-11-18 18:09:21,732 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 18:09:21,732 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 18:09:21,732 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 624 with the following transitions: [2018-11-18 18:09:21,732 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [594], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [653], [654], [658], [662], [666], [677], [680], [685], [687], [688], [692], [696], [699], [702], [706], [707], [710], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-18 18:09:21,734 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 18:09:21,734 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 18:09:22,225 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 18:09:22,226 INFO L272 AbstractInterpreter]: Visited 133 different actions 654 times. Merged at 10 different actions 46 times. Widened at 1 different actions 2 times. Performed 8874 root evaluator evaluations with a maximum evaluation depth of 16. Performed 8874 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Found 12 fixpoints after 5 different actions. Largest state had 28 variables. [2018-11-18 18:09:22,227 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:09:22,227 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 18:09:22,227 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 18:09:22,227 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e95c1458-10c6-4677-8ab4-cd0f9e5dcdc2/bin-2019/utaipan/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 18:09:22,233 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 18:09:22,233 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 18:09:22,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:09:22,314 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 18:09:22,528 INFO L134 CoverageAnalysis]: Checked inductivity of 1361 backedges. 821 proven. 0 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2018-11-18 18:09:22,528 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 18:09:22,639 INFO L134 CoverageAnalysis]: Checked inductivity of 1361 backedges. 341 proven. 4 refuted. 0 times theorem prover too weak. 1016 trivial. 0 not checked. [2018-11-18 18:09:22,654 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-18 18:09:22,654 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [3, 3] total 3 [2018-11-18 18:09:22,655 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 18:09:22,655 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 18:09:22,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 18:09:22,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 18:09:22,656 INFO L87 Difference]: Start difference. First operand 66009 states and 92053 transitions. Second operand 3 states. [2018-11-18 18:09:24,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 18:09:24,026 INFO L93 Difference]: Finished difference Result 131387 states and 187482 transitions. [2018-11-18 18:09:24,026 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 18:09:24,026 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 623 [2018-11-18 18:09:24,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 18:09:24,217 INFO L225 Difference]: With dead ends: 131387 [2018-11-18 18:09:24,217 INFO L226 Difference]: Without dead ends: 67714 [2018-11-18 18:09:24,445 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1248 GetRequests, 1247 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 18:09:24,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67714 states. [2018-11-18 18:09:25,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67714 to 67680. [2018-11-18 18:09:25,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67680 states. [2018-11-18 18:09:25,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67680 states to 67680 states and 88415 transitions. [2018-11-18 18:09:25,504 INFO L78 Accepts]: Start accepts. Automaton has 67680 states and 88415 transitions. Word has length 623 [2018-11-18 18:09:25,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 18:09:25,505 INFO L480 AbstractCegarLoop]: Abstraction has 67680 states and 88415 transitions. [2018-11-18 18:09:25,505 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 18:09:25,505 INFO L276 IsEmpty]: Start isEmpty. Operand 67680 states and 88415 transitions. [2018-11-18 18:09:25,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 683 [2018-11-18 18:09:25,678 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 18:09:25,679 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 18:09:25,679 INFO L423 AbstractCegarLoop]: === Iteration 21 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 18:09:25,679 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:09:25,679 INFO L82 PathProgramCache]: Analyzing trace with hash -800718543, now seen corresponding path program 1 times [2018-11-18 18:09:25,679 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 18:09:25,680 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 18:09:25,680 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 18:09:25,680 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 18:09:25,680 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 18:09:25,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:09:26,050 INFO L134 CoverageAnalysis]: Checked inductivity of 1362 backedges. 645 proven. 107 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2018-11-18 18:09:26,051 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 18:09:26,051 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 18:09:26,051 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 683 with the following transitions: [2018-11-18 18:09:26,051 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [594], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [653], [654], [658], [662], [666], [677], [680], [685], [687], [688], [692], [696], [707], [710], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [777], [781], [785], [789], [793], [797], [808], [812], [816], [820], [824], [828], [832], [843], [847], [851], [862], [866], [870], [874], [878], [889], [893], [897], [901], [905], [909], [913], [924], [928], [932], [936], [940], [944], [948], [952], [956], [960], [971], [975], [979], [983], [987], [991], [1002], [1005], [1008], [1012], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-18 18:09:26,053 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 18:09:26,053 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 18:09:26,999 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 18:09:27,000 INFO L272 AbstractInterpreter]: Visited 191 different actions 943 times. Merged at 10 different actions 44 times. Widened at 1 different actions 2 times. Performed 13684 root evaluator evaluations with a maximum evaluation depth of 18. Performed 13684 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 13 fixpoints after 5 different actions. Largest state had 28 variables. [2018-11-18 18:09:27,003 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:09:27,003 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 18:09:27,003 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 18:09:27,003 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e95c1458-10c6-4677-8ab4-cd0f9e5dcdc2/bin-2019/utaipan/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 18:09:27,009 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 18:09:27,010 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 18:09:27,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:09:27,098 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 18:09:27,410 INFO L134 CoverageAnalysis]: Checked inductivity of 1362 backedges. 327 proven. 0 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2018-11-18 18:09:27,410 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 18:09:27,556 INFO L134 CoverageAnalysis]: Checked inductivity of 1362 backedges. 327 proven. 0 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2018-11-18 18:09:27,571 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 18:09:27,571 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [7] total 9 [2018-11-18 18:09:27,571 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 18:09:27,572 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 18:09:27,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 18:09:27,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-11-18 18:09:27,572 INFO L87 Difference]: Start difference. First operand 67680 states and 88415 transitions. Second operand 3 states. [2018-11-18 18:09:29,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 18:09:29,438 INFO L93 Difference]: Finished difference Result 139802 states and 184410 transitions. [2018-11-18 18:09:29,438 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 18:09:29,438 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 682 [2018-11-18 18:09:29,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 18:09:29,638 INFO L225 Difference]: With dead ends: 139802 [2018-11-18 18:09:29,638 INFO L226 Difference]: Without dead ends: 72710 [2018-11-18 18:09:29,785 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1370 GetRequests, 1363 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-11-18 18:09:29,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72710 states. [2018-11-18 18:09:30,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72710 to 72526. [2018-11-18 18:09:30,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72526 states. [2018-11-18 18:09:31,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72526 states to 72526 states and 94736 transitions. [2018-11-18 18:09:31,076 INFO L78 Accepts]: Start accepts. Automaton has 72526 states and 94736 transitions. Word has length 682 [2018-11-18 18:09:31,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 18:09:31,076 INFO L480 AbstractCegarLoop]: Abstraction has 72526 states and 94736 transitions. [2018-11-18 18:09:31,076 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 18:09:31,076 INFO L276 IsEmpty]: Start isEmpty. Operand 72526 states and 94736 transitions. [2018-11-18 18:09:31,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 760 [2018-11-18 18:09:31,305 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 18:09:31,305 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-18 18:09:31,305 INFO L423 AbstractCegarLoop]: === Iteration 22 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 18:09:31,306 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:09:31,306 INFO L82 PathProgramCache]: Analyzing trace with hash -1161700202, now seen corresponding path program 1 times [2018-11-18 18:09:31,306 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 18:09:31,306 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 18:09:31,307 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 18:09:31,307 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 18:09:31,307 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 18:09:31,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:09:31,647 INFO L134 CoverageAnalysis]: Checked inductivity of 1850 backedges. 846 proven. 90 refuted. 0 times theorem prover too weak. 914 trivial. 0 not checked. [2018-11-18 18:09:31,647 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 18:09:31,647 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 18:09:31,647 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 760 with the following transitions: [2018-11-18 18:09:31,647 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [562], [563], [567], [571], [575], [578], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [618], [623], [625], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [777], [781], [785], [789], [793], [797], [800], [803], [807], [808], [812], [816], [820], [824], [828], [832], [843], [847], [851], [862], [866], [870], [874], [878], [881], [886], [888], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-18 18:09:31,649 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 18:09:31,649 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 18:09:32,107 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 18:09:32,107 INFO L272 AbstractInterpreter]: Visited 170 different actions 826 times. Merged at 10 different actions 44 times. Widened at 1 different actions 1 times. Performed 11795 root evaluator evaluations with a maximum evaluation depth of 16. Performed 11795 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Found 13 fixpoints after 5 different actions. Largest state had 28 variables. [2018-11-18 18:09:32,108 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:09:32,108 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 18:09:32,108 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 18:09:32,108 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e95c1458-10c6-4677-8ab4-cd0f9e5dcdc2/bin-2019/utaipan/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 18:09:32,115 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 18:09:32,116 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 18:09:32,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:09:32,206 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 18:09:32,389 INFO L134 CoverageAnalysis]: Checked inductivity of 1850 backedges. 1213 proven. 2 refuted. 0 times theorem prover too weak. 635 trivial. 0 not checked. [2018-11-18 18:09:32,389 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 18:09:32,744 INFO L134 CoverageAnalysis]: Checked inductivity of 1850 backedges. 846 proven. 90 refuted. 0 times theorem prover too weak. 914 trivial. 0 not checked. [2018-11-18 18:09:32,759 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 18:09:32,760 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-18 18:09:32,760 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 18:09:32,760 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 18:09:32,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 18:09:32,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-11-18 18:09:32,760 INFO L87 Difference]: Start difference. First operand 72526 states and 94736 transitions. Second operand 9 states. [2018-11-18 18:09:34,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 18:09:34,745 INFO L93 Difference]: Finished difference Result 127504 states and 163599 transitions. [2018-11-18 18:09:34,745 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-18 18:09:34,745 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 759 [2018-11-18 18:09:34,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 18:09:34,746 INFO L225 Difference]: With dead ends: 127504 [2018-11-18 18:09:34,746 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 18:09:34,931 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1539 GetRequests, 1521 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2018-11-18 18:09:34,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 18:09:34,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 18:09:34,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 18:09:34,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 18:09:34,932 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 759 [2018-11-18 18:09:34,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 18:09:34,932 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 18:09:34,932 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 18:09:34,932 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 18:09:34,932 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 18:09:34,936 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 18:09:35,222 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:35,224 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:35,528 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:35,748 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:35,749 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:35,766 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:35,776 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:35,779 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:35,781 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:35,785 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:35,786 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:35,788 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:35,808 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:35,811 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:35,817 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:35,821 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:35,823 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:35,851 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:35,853 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:35,867 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:35,877 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:35,893 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:35,899 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:35,902 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:35,935 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:35,938 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:35,941 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:35,943 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:35,959 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:35,964 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:35,973 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:35,985 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:35,999 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:36,014 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:36,037 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:36,041 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:36,053 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:36,057 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:36,066 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:36,085 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:36,093 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:36,102 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:36,106 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:36,122 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:36,126 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:36,178 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:36,284 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:36,289 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:36,329 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:36,340 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:36,369 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:36,375 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:36,418 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:36,424 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:36,468 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:36,475 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:36,545 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:36,632 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:36,652 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:36,679 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:36,700 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:36,729 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:36,758 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:36,765 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:36,773 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:36,796 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:36,845 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:36,854 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:36,992 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:37,103 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:37,131 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:37,140 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:37,291 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:37,302 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:37,342 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:37,352 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:37,457 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:37,511 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:37,532 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:37,644 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:37,656 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:37,813 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:38,623 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:38,696 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:38,758 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:38,837 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:38,838 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:39,108 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:39,335 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:39,335 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:39,401 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:39,434 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:39,671 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:39,848 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:39,950 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:39,971 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:39,992 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:40,103 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:40,178 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:40,207 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:40,290 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:40,350 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:40,351 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:40,364 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:40,365 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:40,365 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:40,414 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:41,142 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:41,217 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:41,646 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:41,735 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:41,993 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:41,993 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:41,993 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:42,399 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:42,560 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:42,878 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:43,519 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:43,533 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:43,633 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:43,634 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:45,232 WARN L180 SmtUtils]: Spent 9.57 s on a formula simplification. DAG size of input: 2231 DAG size of output: 1705 [2018-11-18 18:09:45,317 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:45,319 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:45,320 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:45,330 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:45,331 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:45,343 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:45,360 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:45,362 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:45,363 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:45,382 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:45,386 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:45,387 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:45,398 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:45,400 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:45,405 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:45,417 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:45,422 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:45,424 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:45,453 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:45,455 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:45,458 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:45,470 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:45,472 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:45,475 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:45,483 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:45,494 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:45,512 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:45,519 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:45,522 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:45,542 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:45,553 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:45,595 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:45,599 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:45,605 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:45,609 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:45,623 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:45,627 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:45,670 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:45,689 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:45,705 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:45,709 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:45,754 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:45,758 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:45,777 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:45,801 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:45,816 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:45,821 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:45,844 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:45,849 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:45,873 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:45,879 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:45,917 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:45,927 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:45,933 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:45,962 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:45,968 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:45,990 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:46,030 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:46,054 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:46,099 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:46,106 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:46,112 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:46,119 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:46,189 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:46,196 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:46,203 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:46,230 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:46,237 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:46,267 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:46,303 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:46,346 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:46,368 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:46,414 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:46,445 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:46,454 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:46,463 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:46,480 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:46,488 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:46,496 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:46,701 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:46,712 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:46,767 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:46,798 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:46,809 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:46,911 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:46,923 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:46,966 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:46,977 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:47,100 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:47,111 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:47,169 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:47,192 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:47,216 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:47,510 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:47,606 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:47,940 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:48,121 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:48,242 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:48,242 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:48,651 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:48,749 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:48,873 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:48,894 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:48,938 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:48,960 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:48,992 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:49,016 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:49,040 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:49,064 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:49,503 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:49,795 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:49,796 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:49,796 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:50,317 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:50,775 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:50,894 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:51,511 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:51,988 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:52,571 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:52,632 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:52,662 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:52,724 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:52,725 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:52,854 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:53,781 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:53,782 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 18:09:54,501 WARN L180 SmtUtils]: Spent 9.26 s on a formula simplification. DAG size of input: 2333 DAG size of output: 1806 [2018-11-18 18:09:57,706 WARN L180 SmtUtils]: Spent 3.08 s on a formula simplification. DAG size of input: 769 DAG size of output: 131 [2018-11-18 18:10:12,547 WARN L180 SmtUtils]: Spent 14.82 s on a formula simplification. DAG size of input: 1493 DAG size of output: 122 [2018-11-18 18:10:28,535 WARN L180 SmtUtils]: Spent 15.98 s on a formula simplification. DAG size of input: 1593 DAG size of output: 118 [2018-11-18 18:10:28,537 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 18:10:28,537 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a29~0 |old(~a29~0)|) (= ~a23~0 |old(~a23~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a25~0 |old(~a25~0)|)) [2018-11-18 18:10:28,538 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 18:10:28,538 INFO L425 ceAbstractionStarter]: For program point L168(line 168) no Hoare annotation was computed. [2018-11-18 18:10:28,538 INFO L425 ceAbstractionStarter]: For program point L102(line 102) no Hoare annotation was computed. [2018-11-18 18:10:28,538 INFO L425 ceAbstractionStarter]: For program point L36(line 36) no Hoare annotation was computed. [2018-11-18 18:10:28,538 INFO L425 ceAbstractionStarter]: For program point L566(lines 566 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,538 INFO L425 ceAbstractionStarter]: For program point L500(lines 500 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,538 INFO L425 ceAbstractionStarter]: For program point L170-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 18:10:28,538 INFO L425 ceAbstractionStarter]: For program point L104-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 18:10:28,538 INFO L425 ceAbstractionStarter]: For program point L38-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 18:10:28,538 INFO L425 ceAbstractionStarter]: For program point L963(lines 963 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,538 INFO L425 ceAbstractionStarter]: For program point L831(lines 831 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,538 INFO L425 ceAbstractionStarter]: For program point L171(line 171) no Hoare annotation was computed. [2018-11-18 18:10:28,538 INFO L425 ceAbstractionStarter]: For program point L105(line 105) no Hoare annotation was computed. [2018-11-18 18:10:28,538 INFO L425 ceAbstractionStarter]: For program point L39(line 39) no Hoare annotation was computed. [2018-11-18 18:10:28,538 INFO L425 ceAbstractionStarter]: For program point L898(lines 898 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,539 INFO L425 ceAbstractionStarter]: For program point L436(lines 436 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,539 INFO L425 ceAbstractionStarter]: For program point L370(lines 370 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,539 INFO L425 ceAbstractionStarter]: For program point L635(lines 635 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,539 INFO L425 ceAbstractionStarter]: For program point L305(lines 305 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,539 INFO L425 ceAbstractionStarter]: For program point L173-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 18:10:28,539 INFO L425 ceAbstractionStarter]: For program point L107-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 18:10:28,539 INFO L425 ceAbstractionStarter]: For program point L41-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 18:10:28,539 INFO L425 ceAbstractionStarter]: For program point L240(lines 240 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,539 INFO L425 ceAbstractionStarter]: For program point L174(line 174) no Hoare annotation was computed. [2018-11-18 18:10:28,539 INFO L425 ceAbstractionStarter]: For program point L108(line 108) no Hoare annotation was computed. [2018-11-18 18:10:28,539 INFO L425 ceAbstractionStarter]: For program point L42(line 42) no Hoare annotation was computed. [2018-11-18 18:10:28,539 INFO L425 ceAbstractionStarter]: For program point L769(lines 769 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,539 INFO L425 ceAbstractionStarter]: For program point L836(lines 836 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,539 INFO L425 ceAbstractionStarter]: For program point L572(lines 572 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,539 INFO L425 ceAbstractionStarter]: For program point L176-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 18:10:28,539 INFO L425 ceAbstractionStarter]: For program point L110-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 18:10:28,540 INFO L425 ceAbstractionStarter]: For program point L44-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 18:10:28,540 INFO L425 ceAbstractionStarter]: For program point L969(lines 969 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,540 INFO L425 ceAbstractionStarter]: For program point L903(lines 903 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,540 INFO L425 ceAbstractionStarter]: For program point L507(lines 507 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,540 INFO L425 ceAbstractionStarter]: For program point L177(line 177) no Hoare annotation was computed. [2018-11-18 18:10:28,540 INFO L425 ceAbstractionStarter]: For program point L111(line 111) no Hoare annotation was computed. [2018-11-18 18:10:28,540 INFO L425 ceAbstractionStarter]: For program point L45(line 45) no Hoare annotation was computed. [2018-11-18 18:10:28,540 INFO L425 ceAbstractionStarter]: For program point L970(lines 970 980) no Hoare annotation was computed. [2018-11-18 18:10:28,540 INFO L425 ceAbstractionStarter]: For program point L904(lines 904 914) no Hoare annotation was computed. [2018-11-18 18:10:28,540 INFO L425 ceAbstractionStarter]: For program point L970-2(lines 970 980) no Hoare annotation was computed. [2018-11-18 18:10:28,540 INFO L425 ceAbstractionStarter]: For program point L904-2(lines 904 914) no Hoare annotation was computed. [2018-11-18 18:10:28,540 INFO L425 ceAbstractionStarter]: For program point L706(lines 706 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,540 INFO L425 ceAbstractionStarter]: For program point L310(lines 310 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,540 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 195) no Hoare annotation was computed. [2018-11-18 18:10:28,540 INFO L425 ceAbstractionStarter]: For program point L575(lines 575 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,541 INFO L425 ceAbstractionStarter]: For program point L443(lines 443 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,541 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,541 INFO L425 ceAbstractionStarter]: For program point L179-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 18:10:28,541 INFO L425 ceAbstractionStarter]: For program point L113-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 18:10:28,541 INFO L425 ceAbstractionStarter]: For program point L47-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 18:10:28,541 INFO L425 ceAbstractionStarter]: For program point L774(lines 774 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,541 INFO L425 ceAbstractionStarter]: For program point L642(lines 642 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,541 INFO L425 ceAbstractionStarter]: For program point L180(line 180) no Hoare annotation was computed. [2018-11-18 18:10:28,541 INFO L425 ceAbstractionStarter]: For program point L114(line 114) no Hoare annotation was computed. [2018-11-18 18:10:28,541 INFO L425 ceAbstractionStarter]: For program point L48(line 48) no Hoare annotation was computed. [2018-11-18 18:10:28,541 INFO L425 ceAbstractionStarter]: For program point L841(lines 841 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,541 INFO L425 ceAbstractionStarter]: For program point L247(lines 247 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,541 INFO L425 ceAbstractionStarter]: For program point L182-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 18:10:28,541 INFO L425 ceAbstractionStarter]: For program point L116-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 18:10:28,541 INFO L425 ceAbstractionStarter]: For program point L50-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 18:10:28,541 INFO L425 ceAbstractionStarter]: For program point L183(line 183) no Hoare annotation was computed. [2018-11-18 18:10:28,541 INFO L425 ceAbstractionStarter]: For program point L117(line 117) no Hoare annotation was computed. [2018-11-18 18:10:28,542 INFO L425 ceAbstractionStarter]: For program point L51(line 51) no Hoare annotation was computed. [2018-11-18 18:10:28,542 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 22 1026) no Hoare annotation was computed. [2018-11-18 18:10:28,542 INFO L425 ceAbstractionStarter]: For program point L712(lines 712 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,542 INFO L425 ceAbstractionStarter]: For program point L514(lines 514 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,542 INFO L425 ceAbstractionStarter]: For program point L647(lines 647 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,542 INFO L425 ceAbstractionStarter]: For program point L581(lines 581 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,542 INFO L425 ceAbstractionStarter]: For program point L515(lines 515 525) no Hoare annotation was computed. [2018-11-18 18:10:28,542 INFO L425 ceAbstractionStarter]: For program point L515-2(lines 515 525) no Hoare annotation was computed. [2018-11-18 18:10:28,542 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,542 INFO L425 ceAbstractionStarter]: For program point L185-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 18:10:28,542 INFO L425 ceAbstractionStarter]: For program point L119-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 18:10:28,542 INFO L425 ceAbstractionStarter]: For program point L53-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 18:10:28,542 INFO L425 ceAbstractionStarter]: For program point L846(lines 846 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,542 INFO L425 ceAbstractionStarter]: For program point L780(lines 780 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,542 INFO L425 ceAbstractionStarter]: For program point L648(lines 648 657) no Hoare annotation was computed. [2018-11-18 18:10:28,542 INFO L425 ceAbstractionStarter]: For program point L648-2(lines 648 657) no Hoare annotation was computed. [2018-11-18 18:10:28,543 INFO L425 ceAbstractionStarter]: For program point L450(lines 450 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,543 INFO L425 ceAbstractionStarter]: For program point L384(lines 384 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,543 INFO L425 ceAbstractionStarter]: For program point L186(line 186) no Hoare annotation was computed. [2018-11-18 18:10:28,543 INFO L425 ceAbstractionStarter]: For program point L120(line 120) no Hoare annotation was computed. [2018-11-18 18:10:28,543 INFO L425 ceAbstractionStarter]: For program point L54(line 54) no Hoare annotation was computed. [2018-11-18 18:10:28,543 INFO L425 ceAbstractionStarter]: For program point L254(lines 254 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,543 INFO L425 ceAbstractionStarter]: For program point L188-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 18:10:28,543 INFO L425 ceAbstractionStarter]: For program point L122-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 18:10:28,543 INFO L425 ceAbstractionStarter]: For program point L56-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 18:10:28,543 INFO L425 ceAbstractionStarter]: For program point L981(lines 981 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,543 INFO L425 ceAbstractionStarter]: For program point L915(lines 915 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,543 INFO L425 ceAbstractionStarter]: For program point L717(lines 717 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,543 INFO L425 ceAbstractionStarter]: For program point L189(line 189) no Hoare annotation was computed. [2018-11-18 18:10:28,543 INFO L425 ceAbstractionStarter]: For program point L123(line 123) no Hoare annotation was computed. [2018-11-18 18:10:28,543 INFO L425 ceAbstractionStarter]: For program point L57(line 57) no Hoare annotation was computed. [2018-11-18 18:10:28,543 INFO L425 ceAbstractionStarter]: For program point L916(lines 916 926) no Hoare annotation was computed. [2018-11-18 18:10:28,543 INFO L425 ceAbstractionStarter]: For program point L916-2(lines 916 926) no Hoare annotation was computed. [2018-11-18 18:10:28,544 INFO L425 ceAbstractionStarter]: For program point L718(lines 718 730) no Hoare annotation was computed. [2018-11-18 18:10:28,544 INFO L425 ceAbstractionStarter]: For program point L718-2(lines 718 730) no Hoare annotation was computed. [2018-11-18 18:10:28,544 INFO L425 ceAbstractionStarter]: For program point L586(lines 586 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,544 INFO L425 ceAbstractionStarter]: For program point L322(lines 322 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,544 INFO L425 ceAbstractionStarter]: For program point L587(lines 587 597) no Hoare annotation was computed. [2018-11-18 18:10:28,544 INFO L425 ceAbstractionStarter]: For program point L587-2(lines 587 597) no Hoare annotation was computed. [2018-11-18 18:10:28,544 INFO L425 ceAbstractionStarter]: For program point L191-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 18:10:28,544 INFO L425 ceAbstractionStarter]: For program point L125-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 18:10:28,544 INFO L425 ceAbstractionStarter]: For program point L59-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 18:10:28,544 INFO L425 ceAbstractionStarter]: For program point L852(lines 852 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,544 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 22 1026) the Hoare annotation is: (let ((.cse22 (= ~a23~0 |old(~a23~0)|)) (.cse21 (= ~a29~0 |old(~a29~0)|)) (.cse23 (= ~a4~0 |old(~a4~0)|)) (.cse24 (= ~a25~0 |old(~a25~0)|)) (.cse0 (not (= 15 ~a8~0))) (.cse1 (not (= 1 ~a3~0))) (.cse14 (= 1 |old(~a4~0)|)) (.cse17 (< 140 |old(~a29~0)|)) (.cse20 (= 11 |old(~a25~0)|))) (let ((.cse5 (forall ((v_prenex_26 Int)) (let ((.cse26 (* 5 (div v_prenex_26 5)))) (let ((.cse25 (mod .cse26 15))) (or (= 0 .cse25) (<= 0 (+ .cse26 128610)) (not (= (mod v_prenex_26 5) 0)) (< |old(~a29~0)| (+ .cse25 246))))))) (.cse6 (forall ((v_~a23~0_647 Int)) (or (< 138 v_~a23~0_647) (< (* 25 v_~a23~0_647) (+ |old(~a23~0)| 287786))))) (.cse10 (not (= 12 |old(~a25~0)|))) (.cse2 (not .cse20)) (.cse7 (< |old(~a25~0)| 12)) (.cse15 (< |old(~a29~0)| 260)) (.cse11 (< 138 |old(~a23~0)|)) (.cse13 (not (= 9 |old(~a25~0)|))) (.cse8 (<= (+ |old(~a23~0)| 43) 0)) (.cse16 (not (= 10 |old(~a25~0)|))) (.cse19 (or .cse0 .cse1 .cse14 .cse17)) (.cse18 (and .cse22 .cse21 .cse23 .cse24)) (.cse9 (< |old(~a29~0)| 130)) (.cse4 (and .cse21 .cse22 .cse23 .cse24)) (.cse3 (not .cse14)) (.cse12 (= |calculate_output_#in~input| 0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse7 .cse0 .cse1 .cse3 .cse8 .cse4) (or .cse0 .cse1 .cse4 .cse9 .cse10) (or .cse0 .cse1 .cse4 .cse3 .cse8 .cse11) (or .cse12 .cse10 .cse11 .cse0 .cse1 .cse4) (or .cse0 .cse1 .cse4 .cse13 .cse3 .cse5) (or (or .cse0 .cse1 (< 0 (+ |old(~a29~0)| 580292)) .cse14 .cse10) .cse4) (or .cse0 .cse1 .cse4 .cse2 .cse15 .cse6) (or .cse16 .cse0 .cse1 .cse17 .cse8 .cse11 .cse4) (or .cse7 .cse0 .cse1 .cse8 .cse4 .cse11) (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse8) (or .cse0 .cse1 .cse4 .cse14 .cse10 .cse11) (or .cse2 .cse18 .cse19 .cse11) (or .cse13 .cse18 .cse19 .cse11) (or .cse7 .cse0 .cse1 .cse4 .cse9 .cse3) (or .cse4 .cse0 .cse1 .cse13 .cse15 .cse11) (or (< 312 |old(~a23~0)|) .cse4 .cse0 .cse1 .cse13 .cse3 .cse8) (or .cse16 .cse19 .cse18 (< 0 (+ |old(~a29~0)| 28445))) (or .cse0 .cse1 .cse9 .cse20 .cse4 .cse3 (< 274 |old(~a29~0)|)) (or .cse0 .cse1 .cse4 .cse3 (= 0 |old(~a25~0)|) .cse12 (not (= 0 (mod |old(~a25~0)| 2))) (< 11 |old(~a25~0)|))))) [2018-11-18 18:10:28,545 INFO L425 ceAbstractionStarter]: For program point L456(lines 456 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,545 INFO L425 ceAbstractionStarter]: For program point L192(line 192) no Hoare annotation was computed. [2018-11-18 18:10:28,545 INFO L425 ceAbstractionStarter]: For program point L126(line 126) no Hoare annotation was computed. [2018-11-18 18:10:28,545 INFO L425 ceAbstractionStarter]: For program point L60(line 60) no Hoare annotation was computed. [2018-11-18 18:10:28,545 INFO L425 ceAbstractionStarter]: For program point L787(lines 787 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,545 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,545 INFO L425 ceAbstractionStarter]: For program point L260(lines 260 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,545 INFO L425 ceAbstractionStarter]: For program point L194-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 18:10:28,545 INFO L425 ceAbstractionStarter]: For program point L128-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 18:10:28,545 INFO L425 ceAbstractionStarter]: For program point L62-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 18:10:28,545 INFO L425 ceAbstractionStarter]: For program point L195(line 195) no Hoare annotation was computed. [2018-11-18 18:10:28,545 INFO L425 ceAbstractionStarter]: For program point L129(line 129) no Hoare annotation was computed. [2018-11-18 18:10:28,545 INFO L425 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-11-18 18:10:28,545 INFO L425 ceAbstractionStarter]: For program point L988(lines 988 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,545 INFO L425 ceAbstractionStarter]: For program point L658(lines 658 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,546 INFO L425 ceAbstractionStarter]: For program point L526(lines 526 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,546 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,546 INFO L425 ceAbstractionStarter]: For program point L197-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 18:10:28,546 INFO L425 ceAbstractionStarter]: For program point L131-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 18:10:28,546 INFO L425 ceAbstractionStarter]: For program point L65-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 18:10:28,546 INFO L425 ceAbstractionStarter]: For program point L792(lines 792 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,546 INFO L425 ceAbstractionStarter]: For program point L198(line 198) no Hoare annotation was computed. [2018-11-18 18:10:28,546 INFO L425 ceAbstractionStarter]: For program point L132(line 132) no Hoare annotation was computed. [2018-11-18 18:10:28,546 INFO L425 ceAbstractionStarter]: For program point L66(line 66) no Hoare annotation was computed. [2018-11-18 18:10:28,546 INFO L425 ceAbstractionStarter]: For program point L859(lines 859 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,546 INFO L425 ceAbstractionStarter]: For program point L463(lines 463 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,546 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,546 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,546 INFO L425 ceAbstractionStarter]: For program point L200-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 18:10:28,546 INFO L425 ceAbstractionStarter]: For program point L134-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 18:10:28,546 INFO L425 ceAbstractionStarter]: For program point L68-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 18:10:28,546 INFO L425 ceAbstractionStarter]: For program point L993(lines 993 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,547 INFO L425 ceAbstractionStarter]: For program point L927(lines 927 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,547 INFO L425 ceAbstractionStarter]: For program point L663(lines 663 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,547 INFO L425 ceAbstractionStarter]: For program point L531(lines 531 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,547 INFO L425 ceAbstractionStarter]: For program point L399(lines 399 410) no Hoare annotation was computed. [2018-11-18 18:10:28,547 INFO L425 ceAbstractionStarter]: For program point L399-2(lines 399 410) no Hoare annotation was computed. [2018-11-18 18:10:28,547 INFO L425 ceAbstractionStarter]: For program point L201(line 201) no Hoare annotation was computed. [2018-11-18 18:10:28,547 INFO L425 ceAbstractionStarter]: For program point L135(line 135) no Hoare annotation was computed. [2018-11-18 18:10:28,547 INFO L425 ceAbstractionStarter]: For program point L69(line 69) no Hoare annotation was computed. [2018-11-18 18:10:28,547 INFO L425 ceAbstractionStarter]: For program point L598(lines 598 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,547 INFO L425 ceAbstractionStarter]: For program point L334(lines 334 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,547 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,547 INFO L425 ceAbstractionStarter]: For program point L731(lines 731 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,547 INFO L425 ceAbstractionStarter]: For program point L203-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 18:10:28,547 INFO L425 ceAbstractionStarter]: For program point L137-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 18:10:28,547 INFO L425 ceAbstractionStarter]: For program point L71-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 18:10:28,547 INFO L425 ceAbstractionStarter]: For program point L204(line 204) no Hoare annotation was computed. [2018-11-18 18:10:28,548 INFO L425 ceAbstractionStarter]: For program point L138(line 138) no Hoare annotation was computed. [2018-11-18 18:10:28,548 INFO L425 ceAbstractionStarter]: For program point L72(line 72) no Hoare annotation was computed. [2018-11-18 18:10:28,548 INFO L425 ceAbstractionStarter]: For program point L865(lines 865 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,548 INFO L425 ceAbstractionStarter]: For program point L799(lines 799 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,548 INFO L425 ceAbstractionStarter]: For program point L932(lines 932 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,548 INFO L425 ceAbstractionStarter]: For program point L866(lines 866 875) no Hoare annotation was computed. [2018-11-18 18:10:28,548 INFO L425 ceAbstractionStarter]: For program point L866-2(lines 866 875) no Hoare annotation was computed. [2018-11-18 18:10:28,548 INFO L425 ceAbstractionStarter]: For program point L470(lines 470 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,548 INFO L425 ceAbstractionStarter]: For program point L140-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 18:10:28,548 INFO L425 ceAbstractionStarter]: For program point L74-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 18:10:28,548 INFO L425 ceAbstractionStarter]: For program point L603(lines 603 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,548 INFO L425 ceAbstractionStarter]: For program point L537(lines 537 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,548 INFO L425 ceAbstractionStarter]: For program point L141(line 141) no Hoare annotation was computed. [2018-11-18 18:10:28,549 INFO L425 ceAbstractionStarter]: For program point L75(line 75) no Hoare annotation was computed. [2018-11-18 18:10:28,549 INFO L425 ceAbstractionStarter]: For program point L1000(lines 1000 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,549 INFO L425 ceAbstractionStarter]: For program point L670(lines 670 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,549 INFO L425 ceAbstractionStarter]: For program point L604(lines 604 614) no Hoare annotation was computed. [2018-11-18 18:10:28,549 INFO L425 ceAbstractionStarter]: For program point L604-2(lines 604 614) no Hoare annotation was computed. [2018-11-18 18:10:28,549 INFO L425 ceAbstractionStarter]: For program point L340(lines 340 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,549 INFO L425 ceAbstractionStarter]: For program point L275(lines 275 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,549 INFO L425 ceAbstractionStarter]: For program point L143-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 18:10:28,549 INFO L425 ceAbstractionStarter]: For program point L77-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 18:10:28,549 INFO L425 ceAbstractionStarter]: For program point L804(lines 804 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,549 INFO L425 ceAbstractionStarter]: For program point L738(lines 738 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,549 INFO L425 ceAbstractionStarter]: For program point L144(line 144) no Hoare annotation was computed. [2018-11-18 18:10:28,549 INFO L425 ceAbstractionStarter]: For program point L78(line 78) no Hoare annotation was computed. [2018-11-18 18:10:28,549 INFO L425 ceAbstractionStarter]: For program point L805(lines 805 815) no Hoare annotation was computed. [2018-11-18 18:10:28,549 INFO L425 ceAbstractionStarter]: For program point L805-2(lines 805 815) no Hoare annotation was computed. [2018-11-18 18:10:28,549 INFO L425 ceAbstractionStarter]: For program point L542(lines 542 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,549 INFO L425 ceAbstractionStarter]: For program point L146-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 18:10:28,550 INFO L425 ceAbstractionStarter]: For program point L80-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 18:10:28,550 INFO L425 ceAbstractionStarter]: For program point L1005(lines 1005 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,550 INFO L425 ceAbstractionStarter]: For program point L939(lines 939 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,550 INFO L425 ceAbstractionStarter]: For program point L675(lines 675 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,550 INFO L425 ceAbstractionStarter]: For program point L477(lines 477 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,550 INFO L425 ceAbstractionStarter]: For program point L411(lines 411 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,550 INFO L425 ceAbstractionStarter]: For program point L147(line 147) no Hoare annotation was computed. [2018-11-18 18:10:28,550 INFO L425 ceAbstractionStarter]: For program point L81(line 81) no Hoare annotation was computed. [2018-11-18 18:10:28,550 INFO L425 ceAbstractionStarter]: For program point L940(lines 940 952) no Hoare annotation was computed. [2018-11-18 18:10:28,550 INFO L425 ceAbstractionStarter]: For program point L940-2(lines 940 952) no Hoare annotation was computed. [2018-11-18 18:10:28,550 INFO L425 ceAbstractionStarter]: For program point L478(lines 478 486) no Hoare annotation was computed. [2018-11-18 18:10:28,550 INFO L425 ceAbstractionStarter]: For program point L478-2(lines 478 486) no Hoare annotation was computed. [2018-11-18 18:10:28,550 INFO L425 ceAbstractionStarter]: For program point L346(lines 346 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,550 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,550 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,550 INFO L425 ceAbstractionStarter]: For program point L743(lines 743 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,551 INFO L425 ceAbstractionStarter]: For program point L149-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 18:10:28,551 INFO L425 ceAbstractionStarter]: For program point L83-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 18:10:28,551 INFO L425 ceAbstractionStarter]: For program point L876(lines 876 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,551 INFO L425 ceAbstractionStarter]: For program point L150(line 150) no Hoare annotation was computed. [2018-11-18 18:10:28,551 INFO L425 ceAbstractionStarter]: For program point L84(line 84) no Hoare annotation was computed. [2018-11-18 18:10:28,551 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 22 1026) no Hoare annotation was computed. [2018-11-18 18:10:28,551 INFO L425 ceAbstractionStarter]: For program point L152-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 18:10:28,551 INFO L425 ceAbstractionStarter]: For program point L86-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 18:10:28,551 INFO L425 ceAbstractionStarter]: For program point L681(lines 681 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,551 INFO L425 ceAbstractionStarter]: For program point L615(lines 615 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,551 INFO L425 ceAbstractionStarter]: For program point L549(lines 549 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,551 INFO L425 ceAbstractionStarter]: For program point L417(lines 417 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,551 INFO L425 ceAbstractionStarter]: For program point L153(line 153) no Hoare annotation was computed. [2018-11-18 18:10:28,551 INFO L425 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2018-11-18 18:10:28,551 INFO L425 ceAbstractionStarter]: For program point L1012(lines 1012 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,551 INFO L425 ceAbstractionStarter]: For program point L881(lines 881 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,552 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,552 INFO L425 ceAbstractionStarter]: For program point L287(lines 287 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,552 INFO L425 ceAbstractionStarter]: For program point L221(lines 221 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,552 INFO L425 ceAbstractionStarter]: For program point L155-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 18:10:28,552 INFO L425 ceAbstractionStarter]: For program point L89-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 18:10:28,552 INFO L425 ceAbstractionStarter]: For program point L23(lines 23 25) no Hoare annotation was computed. [2018-11-18 18:10:28,552 INFO L425 ceAbstractionStarter]: For program point L23-2(lines 22 1026) no Hoare annotation was computed. [2018-11-18 18:10:28,552 INFO L425 ceAbstractionStarter]: For program point L816(lines 816 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,552 INFO L425 ceAbstractionStarter]: For program point L750(lines 750 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,552 INFO L425 ceAbstractionStarter]: For program point L156(line 156) no Hoare annotation was computed. [2018-11-18 18:10:28,552 INFO L425 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2018-11-18 18:10:28,552 INFO L425 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2018-11-18 18:10:28,552 INFO L425 ceAbstractionStarter]: For program point L487(lines 487 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,552 INFO L425 ceAbstractionStarter]: For program point L488(lines 488 499) no Hoare annotation was computed. [2018-11-18 18:10:28,552 INFO L425 ceAbstractionStarter]: For program point L422(lines 422 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,552 INFO L425 ceAbstractionStarter]: For program point L488-2(lines 488 499) no Hoare annotation was computed. [2018-11-18 18:10:28,552 INFO L425 ceAbstractionStarter]: For program point L158-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 18:10:28,553 INFO L425 ceAbstractionStarter]: For program point L92-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 18:10:28,553 INFO L425 ceAbstractionStarter]: For program point L26-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 18:10:28,553 INFO L425 ceAbstractionStarter]: For program point L1017(lines 1017 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,553 INFO L425 ceAbstractionStarter]: For program point L621(lines 621 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,553 INFO L425 ceAbstractionStarter]: For program point L555(lines 555 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,553 INFO L425 ceAbstractionStarter]: For program point L159(line 159) no Hoare annotation was computed. [2018-11-18 18:10:28,553 INFO L425 ceAbstractionStarter]: For program point L93(line 93) no Hoare annotation was computed. [2018-11-18 18:10:28,553 INFO L425 ceAbstractionStarter]: For program point L27(line 27) no Hoare annotation was computed. [2018-11-18 18:10:28,553 INFO L425 ceAbstractionStarter]: For program point L886(lines 886 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,553 INFO L425 ceAbstractionStarter]: For program point L688(lines 688 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,553 INFO L425 ceAbstractionStarter]: For program point L358(lines 358 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,553 INFO L425 ceAbstractionStarter]: For program point L953(lines 953 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,553 INFO L425 ceAbstractionStarter]: For program point L227(lines 227 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,553 INFO L425 ceAbstractionStarter]: For program point L161-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 18:10:28,553 INFO L425 ceAbstractionStarter]: For program point L95-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 18:10:28,553 INFO L425 ceAbstractionStarter]: For program point L29-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 18:10:28,554 INFO L425 ceAbstractionStarter]: For program point L822(lines 822 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,554 INFO L425 ceAbstractionStarter]: For program point L294(lines 294 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,554 INFO L425 ceAbstractionStarter]: For program point L162(line 162) no Hoare annotation was computed. [2018-11-18 18:10:28,554 INFO L425 ceAbstractionStarter]: For program point L96(line 96) no Hoare annotation was computed. [2018-11-18 18:10:28,554 INFO L425 ceAbstractionStarter]: For program point L30(line 30) no Hoare annotation was computed. [2018-11-18 18:10:28,554 INFO L425 ceAbstractionStarter]: For program point L757(lines 757 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,554 INFO L425 ceAbstractionStarter]: For program point L758(lines 758 768) no Hoare annotation was computed. [2018-11-18 18:10:28,554 INFO L425 ceAbstractionStarter]: For program point L758-2(lines 758 768) no Hoare annotation was computed. [2018-11-18 18:10:28,554 INFO L425 ceAbstractionStarter]: For program point L164-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 18:10:28,554 INFO L425 ceAbstractionStarter]: For program point L98-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 18:10:28,554 INFO L425 ceAbstractionStarter]: For program point L32-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 18:10:28,554 INFO L425 ceAbstractionStarter]: For program point L825(lines 825 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,554 INFO L425 ceAbstractionStarter]: For program point L561(lines 561 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,554 INFO L425 ceAbstractionStarter]: For program point L429(lines 429 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,554 INFO L425 ceAbstractionStarter]: For program point L165(line 165) no Hoare annotation was computed. [2018-11-18 18:10:28,555 INFO L425 ceAbstractionStarter]: For program point L99(line 99) no Hoare annotation was computed. [2018-11-18 18:10:28,555 INFO L425 ceAbstractionStarter]: For program point L33(line 33) no Hoare annotation was computed. [2018-11-18 18:10:28,555 INFO L425 ceAbstractionStarter]: For program point L958(lines 958 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,555 INFO L425 ceAbstractionStarter]: For program point L694(lines 694 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,555 INFO L425 ceAbstractionStarter]: For program point L628(lines 628 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,555 INFO L425 ceAbstractionStarter]: For program point L893(lines 893 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,555 INFO L425 ceAbstractionStarter]: For program point L695(lines 695 705) no Hoare annotation was computed. [2018-11-18 18:10:28,555 INFO L425 ceAbstractionStarter]: For program point L695-2(lines 695 705) no Hoare annotation was computed. [2018-11-18 18:10:28,555 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,555 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,555 INFO L425 ceAbstractionStarter]: For program point L233(lines 233 1024) no Hoare annotation was computed. [2018-11-18 18:10:28,555 INFO L425 ceAbstractionStarter]: For program point L167-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 18:10:28,555 INFO L425 ceAbstractionStarter]: For program point L101-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 18:10:28,555 INFO L425 ceAbstractionStarter]: For program point L35-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 18:10:28,555 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 18:10:28,556 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a23~0 312) (= ~a8~0 15) (<= ~a29~0 130) (= 1 ~a4~0) (<= 130 ~a29~0) (= ~a25~0 10) (= ~a3~0 1)) [2018-11-18 18:10:28,556 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 18:10:28,556 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 18:10:28,556 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 1028 1044) the Hoare annotation is: (or (not (= 10 |old(~a25~0)|)) (and (<= 130 ~a29~0) (= ~a23~0 312) (<= ~a29~0 130) (= ~a4~0 |old(~a4~0)|) (= ~a25~0 |old(~a25~0)|)) (not (= 15 ~a8~0)) (not (= 1 ~a3~0)) (not (= 312 |old(~a23~0)|)) (not (= 1 |old(~a4~0)|)) (not (= 130 |old(~a29~0)|))) [2018-11-18 18:10:28,556 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 1028 1044) no Hoare annotation was computed. [2018-11-18 18:10:28,556 INFO L421 ceAbstractionStarter]: At program point L1042(line 1042) the Hoare annotation is: (let ((.cse3 (<= ~a23~0 312)) (.cse11 (exists ((v_~a23~0_647 Int)) (and (<= v_~a23~0_647 138) (<= (+ ~a23~0 287786) (* 25 v_~a23~0_647))))) (.cse10 (= 11 ~a25~0)) (.cse14 (= 10 ~a25~0)) (.cse9 (<= ~a29~0 140)) (.cse2 (<= ~a23~0 138)) (.cse13 (= ~a25~0 12)) (.cse8 (not (= ~a4~0 1))) (.cse0 (<= 12 ~a25~0)) (.cse1 (< 0 (+ ~a23~0 43))) (.cse6 (<= ~a29~0 274)) (.cse17 (<= 130 ~a29~0)) (.cse4 (not (= main_~input~0 0))) (.cse7 (= 9 ~a25~0)) (.cse5 (= 1 ~a4~0)) (.cse12 (<= 260 ~a29~0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 (= ~a25~0 10) .cse6) (not (= 10 |old(~a25~0)|)) (not (= 1 |old(~a4~0)|)) (and .cse7 .cse2 .cse8 .cse9) (not (= 130 |old(~a29~0)|)) (and .cse10 .cse11 .cse12) (not (= 1 ~a3~0)) (and .cse13 .cse4 .cse5) (and .cse10 .cse2 .cse9 .cse8) (and .cse3 .cse5 .cse1 .cse7) (and (and (<= (+ ~a29~0 28445) 0) .cse14) .cse8) (and .cse10 .cse11 .cse5 (exists ((v_prenex_26 Int)) (let ((.cse16 (* 5 (div v_prenex_26 5)))) (let ((.cse15 (mod .cse16 15))) (and (not (= 0 .cse15)) (<= (+ .cse15 246) ~a29~0) (< (+ .cse16 128610) 0) (= (mod v_prenex_26 5) 0)))))) (and .cse10 .cse1 .cse5) (not (= 312 |old(~a23~0)|)) (and .cse1 .cse2 .cse5) (and .cse2 .cse12 .cse7) (and (= 12 ~a25~0) (<= (+ ~a29~0 580292) 0) .cse8) (and .cse13 .cse17) (and .cse2 .cse14 .cse9 .cse1) (and .cse2 .cse13 .cse8) (and .cse0 .cse17 .cse5) (and .cse0 .cse1 .cse5) (and (not (= ~a25~0 11)) .cse6 .cse5 .cse17) (and (<= ~a25~0 11) (and .cse4 (= (mod ~a25~0 2) 0) (not (= ~a25~0 0)) .cse5)) (not (= 15 ~a8~0)) (and .cse7 (and .cse5 .cse12)))) [2018-11-18 18:10:28,556 INFO L425 ceAbstractionStarter]: For program point L1042-1(line 1042) no Hoare annotation was computed. [2018-11-18 18:10:28,556 INFO L425 ceAbstractionStarter]: For program point L1039(line 1039) no Hoare annotation was computed. [2018-11-18 18:10:28,556 INFO L425 ceAbstractionStarter]: For program point L1034-1(lines 1034 1043) no Hoare annotation was computed. [2018-11-18 18:10:28,557 INFO L421 ceAbstractionStarter]: At program point L1034-3(lines 1034 1043) the Hoare annotation is: (let ((.cse6 (<= ~a23~0 312)) (.cse4 (not (= ~a4~0 1))) (.cse10 (exists ((v_~a23~0_647 Int)) (and (<= v_~a23~0_647 138) (<= (+ ~a23~0 287786) (* 25 v_~a23~0_647))))) (.cse9 (= 11 ~a25~0)) (.cse12 (= 10 ~a25~0)) (.cse5 (<= ~a29~0 140)) (.cse2 (<= ~a23~0 138)) (.cse15 (= ~a25~0 12)) (.cse0 (<= 12 ~a25~0)) (.cse1 (< 0 (+ ~a23~0 43))) (.cse8 (<= ~a29~0 274)) (.cse16 (<= 130 ~a29~0)) (.cse3 (= 9 ~a25~0)) (.cse7 (= 1 ~a4~0)) (.cse11 (<= 260 ~a29~0))) (or (and .cse0 .cse1 .cse2) (not (= 10 |old(~a25~0)|)) (not (= 1 |old(~a4~0)|)) (and .cse3 .cse2 .cse4 .cse5) (not (= 130 |old(~a29~0)|)) (and .cse6 .cse7 (= ~a25~0 10) .cse8) (and .cse9 .cse10 .cse11) (not (= 1 ~a3~0)) (and .cse9 .cse2 .cse5 .cse4) (and .cse6 .cse7 .cse1 .cse3) (and (and (<= (+ ~a29~0 28445) 0) .cse12) .cse4) (and .cse9 .cse10 .cse7 (exists ((v_prenex_26 Int)) (let ((.cse14 (* 5 (div v_prenex_26 5)))) (let ((.cse13 (mod .cse14 15))) (and (not (= 0 .cse13)) (<= (+ .cse13 246) ~a29~0) (< (+ .cse14 128610) 0) (= (mod v_prenex_26 5) 0)))))) (and .cse9 .cse1 .cse7) (not (= 312 |old(~a23~0)|)) (and .cse1 .cse2 .cse7) (and .cse2 .cse11 .cse3) (and (= 12 ~a25~0) (<= (+ ~a29~0 580292) 0)) (and .cse15 .cse16) (and .cse2 .cse12 .cse5 .cse1) (and .cse2 .cse15) (and .cse0 .cse16 .cse7) (and .cse0 .cse1 .cse7) (and (<= ~a25~0 11) (and (= (mod ~a25~0 2) 0) (not (= ~a25~0 0)) .cse7)) (and (not (= ~a25~0 11)) .cse8 .cse7 .cse16) (not (= 15 ~a8~0)) (and .cse3 (and .cse7 .cse11)))) [2018-11-18 18:10:28,557 INFO L425 ceAbstractionStarter]: For program point L1034-4(lines 1028 1044) no Hoare annotation was computed. [2018-11-18 18:10:28,561 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_647,QUANTIFIED] [2018-11-18 18:10:28,562 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_647,QUANTIFIED] [2018-11-18 18:10:28,562 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_647,QUANTIFIED] [2018-11-18 18:10:28,563 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_647,QUANTIFIED] [2018-11-18 18:10:28,563 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_26,QUANTIFIED] [2018-11-18 18:10:28,563 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_26,QUANTIFIED] [2018-11-18 18:10:28,563 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_26,QUANTIFIED] [2018-11-18 18:10:28,563 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_26,QUANTIFIED] [2018-11-18 18:10:28,568 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_647,QUANTIFIED] [2018-11-18 18:10:28,569 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_647,QUANTIFIED] [2018-11-18 18:10:28,569 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_647,QUANTIFIED] [2018-11-18 18:10:28,569 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_647,QUANTIFIED] [2018-11-18 18:10:28,569 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_26,QUANTIFIED] [2018-11-18 18:10:28,570 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_26,QUANTIFIED] [2018-11-18 18:10:28,570 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_26,QUANTIFIED] [2018-11-18 18:10:28,570 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_26,QUANTIFIED] [2018-11-18 18:10:28,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 06:10:28 BoogieIcfgContainer [2018-11-18 18:10:28,573 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 18:10:28,573 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 18:10:28,573 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 18:10:28,574 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 18:10:28,574 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:05:12" (3/4) ... [2018-11-18 18:10:28,577 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 18:10:28,596 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 18:10:28,596 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 18:10:28,596 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 18:10:28,609 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 18:10:28,610 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 18:10:28,634 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((12 <= a25 && 0 < a23 + 43) && a23 <= 138) || !(10 == \old(a25))) || !(1 == \old(a4))) || (((9 == a25 && a23 <= 138) && !(a4 == 1)) && a29 <= 140)) || !(130 == \old(a29))) || (((a23 <= 312 && 1 == a4) && a25 == 10) && a29 <= 274)) || ((11 == a25 && (\exists v_~a23~0_647 : int :: v_~a23~0_647 <= 138 && a23 + 287786 <= 25 * v_~a23~0_647)) && 260 <= a29)) || !(1 == a3)) || (((11 == a25 && a23 <= 138) && a29 <= 140) && !(a4 == 1))) || (((a23 <= 312 && 1 == a4) && 0 < a23 + 43) && 9 == a25)) || ((a29 + 28445 <= 0 && 10 == a25) && !(a4 == 1))) || (((11 == a25 && (\exists v_~a23~0_647 : int :: v_~a23~0_647 <= 138 && a23 + 287786 <= 25 * v_~a23~0_647)) && 1 == a4) && (\exists v_prenex_26 : int :: ((!(0 == 5 * (v_prenex_26 / 5) % 15) && 5 * (v_prenex_26 / 5) % 15 + 246 <= a29) && 5 * (v_prenex_26 / 5) + 128610 < 0) && v_prenex_26 % 5 == 0))) || ((11 == a25 && 0 < a23 + 43) && 1 == a4)) || !(312 == \old(a23))) || ((0 < a23 + 43 && a23 <= 138) && 1 == a4)) || ((a23 <= 138 && 260 <= a29) && 9 == a25)) || (12 == a25 && a29 + 580292 <= 0)) || (a25 == 12 && 130 <= a29)) || (((a23 <= 138 && 10 == a25) && a29 <= 140) && 0 < a23 + 43)) || (a23 <= 138 && a25 == 12)) || ((12 <= a25 && 130 <= a29) && 1 == a4)) || ((12 <= a25 && 0 < a23 + 43) && 1 == a4)) || (a25 <= 11 && (a25 % 2 == 0 && !(a25 == 0)) && 1 == a4)) || (((!(a25 == 11) && a29 <= 274) && 1 == a4) && 130 <= a29)) || !(15 == a8)) || (9 == a25 && 1 == a4 && 260 <= a29) [2018-11-18 18:10:28,728 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e95c1458-10c6-4677-8ab4-cd0f9e5dcdc2/bin-2019/utaipan/witness.graphml [2018-11-18 18:10:28,728 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 18:10:28,729 INFO L168 Benchmark]: Toolchain (without parser) took 317672.89 ms. Allocated memory was 1.0 GB in the beginning and 5.6 GB in the end (delta: 4.6 GB). Free memory was 952.2 MB in the beginning and 2.4 GB in the end (delta: -1.5 GB). Peak memory consumption was 3.1 GB. Max. memory is 11.5 GB. [2018-11-18 18:10:28,730 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 18:10:28,730 INFO L168 Benchmark]: CACSL2BoogieTranslator took 477.26 ms. Allocated memory is still 1.0 GB. Free memory was 952.2 MB in the beginning and 898.5 MB in the end (delta: 53.7 MB). Peak memory consumption was 53.7 MB. Max. memory is 11.5 GB. [2018-11-18 18:10:28,730 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 898.5 MB in the beginning and 1.1 GB in the end (delta: -238.3 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2018-11-18 18:10:28,730 INFO L168 Benchmark]: Boogie Preprocessor took 59.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-18 18:10:28,730 INFO L168 Benchmark]: RCFGBuilder took 1216.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 959.6 MB in the end (delta: 170.5 MB). Peak memory consumption was 170.5 MB. Max. memory is 11.5 GB. [2018-11-18 18:10:28,730 INFO L168 Benchmark]: TraceAbstraction took 315664.78 ms. Allocated memory was 1.2 GB in the beginning and 5.6 GB in the end (delta: 4.4 GB). Free memory was 959.6 MB in the beginning and 2.5 GB in the end (delta: -1.5 GB). Peak memory consumption was 4.8 GB. Max. memory is 11.5 GB. [2018-11-18 18:10:28,731 INFO L168 Benchmark]: Witness Printer took 155.05 ms. Allocated memory is still 5.6 GB. Free memory was 2.5 GB in the beginning and 2.4 GB in the end (delta: 70.6 MB). Peak memory consumption was 70.6 MB. Max. memory is 11.5 GB. [2018-11-18 18:10:28,732 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 477.26 ms. Allocated memory is still 1.0 GB. Free memory was 952.2 MB in the beginning and 898.5 MB in the end (delta: 53.7 MB). Peak memory consumption was 53.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 96.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 898.5 MB in the beginning and 1.1 GB in the end (delta: -238.3 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 59.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1216.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 959.6 MB in the end (delta: 170.5 MB). Peak memory consumption was 170.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 315664.78 ms. Allocated memory was 1.2 GB in the beginning and 5.6 GB in the end (delta: 4.4 GB). Free memory was 959.6 MB in the beginning and 2.5 GB in the end (delta: -1.5 GB). Peak memory consumption was 4.8 GB. Max. memory is 11.5 GB. * Witness Printer took 155.05 ms. Allocated memory is still 5.6 GB. Free memory was 2.5 GB in the beginning and 2.4 GB in the end (delta: 70.6 MB). Peak memory consumption was 70.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_647,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_647,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_647,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_647,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_647,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_647,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_647,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_647,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_26,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 195]: 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: 1034]: Loop Invariant [2018-11-18 18:10:28,737 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_647,QUANTIFIED] [2018-11-18 18:10:28,737 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_647,QUANTIFIED] [2018-11-18 18:10:28,738 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_647,QUANTIFIED] [2018-11-18 18:10:28,738 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_647,QUANTIFIED] [2018-11-18 18:10:28,738 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_26,QUANTIFIED] [2018-11-18 18:10:28,738 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_26,QUANTIFIED] [2018-11-18 18:10:28,738 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_26,QUANTIFIED] [2018-11-18 18:10:28,738 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_26,QUANTIFIED] [2018-11-18 18:10:28,744 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_647,QUANTIFIED] [2018-11-18 18:10:28,744 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_647,QUANTIFIED] [2018-11-18 18:10:28,744 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_647,QUANTIFIED] [2018-11-18 18:10:28,744 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_647,QUANTIFIED] [2018-11-18 18:10:28,744 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_26,QUANTIFIED] [2018-11-18 18:10:28,745 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_26,QUANTIFIED] [2018-11-18 18:10:28,745 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_26,QUANTIFIED] [2018-11-18 18:10:28,745 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_26,QUANTIFIED] Derived loop invariant: ((((((((((((((((((((((((((12 <= a25 && 0 < a23 + 43) && a23 <= 138) || !(10 == \old(a25))) || !(1 == \old(a4))) || (((9 == a25 && a23 <= 138) && !(a4 == 1)) && a29 <= 140)) || !(130 == \old(a29))) || (((a23 <= 312 && 1 == a4) && a25 == 10) && a29 <= 274)) || ((11 == a25 && (\exists v_~a23~0_647 : int :: v_~a23~0_647 <= 138 && a23 + 287786 <= 25 * v_~a23~0_647)) && 260 <= a29)) || !(1 == a3)) || (((11 == a25 && a23 <= 138) && a29 <= 140) && !(a4 == 1))) || (((a23 <= 312 && 1 == a4) && 0 < a23 + 43) && 9 == a25)) || ((a29 + 28445 <= 0 && 10 == a25) && !(a4 == 1))) || (((11 == a25 && (\exists v_~a23~0_647 : int :: v_~a23~0_647 <= 138 && a23 + 287786 <= 25 * v_~a23~0_647)) && 1 == a4) && (\exists v_prenex_26 : int :: ((!(0 == 5 * (v_prenex_26 / 5) % 15) && 5 * (v_prenex_26 / 5) % 15 + 246 <= a29) && 5 * (v_prenex_26 / 5) + 128610 < 0) && v_prenex_26 % 5 == 0))) || ((11 == a25 && 0 < a23 + 43) && 1 == a4)) || !(312 == \old(a23))) || ((0 < a23 + 43 && a23 <= 138) && 1 == a4)) || ((a23 <= 138 && 260 <= a29) && 9 == a25)) || (12 == a25 && a29 + 580292 <= 0)) || (a25 == 12 && 130 <= a29)) || (((a23 <= 138 && 10 == a25) && a29 <= 140) && 0 < a23 + 43)) || (a23 <= 138 && a25 == 12)) || ((12 <= a25 && 130 <= a29) && 1 == a4)) || ((12 <= a25 && 0 < a23 + 43) && 1 == a4)) || (a25 <= 11 && (a25 % 2 == 0 && !(a25 == 0)) && 1 == a4)) || (((!(a25 == 11) && a29 <= 274) && 1 == a4) && 130 <= a29)) || !(15 == a8)) || (9 == a25 && 1 == a4 && 260 <= a29) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 293 locations, 1 error locations. SAFE Result, 315.6s OverallTime, 22 OverallIterations, 7 TraceHistogramMax, 213.5s AutomataDifference, 0.0s DeadEndRemovalTime, 53.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 4783 SDtfs, 37065 SDslu, 6520 SDs, 0 SdLazy, 68819 SolverSat, 11195 SolverUnsat, 5 SolverUnknown, 0 SolverNotchecked, 159.7s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 15731 GetRequests, 15178 SyntacticMatches, 23 SemanticMatches, 530 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 7877 ImplicationChecksByTransitivity, 27.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=72526occurred in iteration=21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 7.7s AbstIntTime, 18 AbstIntIterations, 4 AbstIntStrong, 0.9978568892598 AbsIntWeakeningRatio, 0.09561752988047809 AbsIntAvgWeakeningVarsNumRemoved, 17.995219123505976 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 11.2s AutomataMinimizationTime, 22 MinimizatonAttempts, 8198 StatesRemovedByMinimization, 20 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 4323 PreInvPairs, 5275 NumberOfFragments, 1556 HoareAnnotationTreeSize, 4323 FomulaSimplifications, 1733280 FormulaSimplificationTreeSizeReduction, 19.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 432899 FormulaSimplificationTreeSizeReductionInter, 33.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 21.2s InterpolantComputationTime, 15960 NumberOfCodeBlocks, 15960 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 22803 ConstructedInterpolants, 80 QuantifiedInterpolants, 40671631 SizeOfPredicates, 38 NumberOfNonLiveVariables, 10796 ConjunctsInSsa, 109 ConjunctsInUnsatCore, 50 InterpolantComputations, 9 PerfectInterpolantSequences, 33918/35479 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...