./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label40_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_91fcb7f4-b559-489a-a60b-95af1ccf673f/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_91fcb7f4-b559-489a-a60b-95af1ccf673f/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_91fcb7f4-b559-489a-a60b-95af1ccf673f/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_91fcb7f4-b559-489a-a60b-95af1ccf673f/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label40_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_91fcb7f4-b559-489a-a60b-95af1ccf673f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_91fcb7f4-b559-489a-a60b-95af1ccf673f/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 ff1c9a6c430c39da5b14cad9bf3eb91126a91c65 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 01:09:04,046 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 01:09:04,047 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 01:09:04,055 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 01:09:04,055 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 01:09:04,055 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 01:09:04,056 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 01:09:04,057 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 01:09:04,057 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 01:09:04,058 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 01:09:04,058 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 01:09:04,058 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 01:09:04,059 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 01:09:04,059 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 01:09:04,060 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 01:09:04,060 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 01:09:04,060 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 01:09:04,061 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 01:09:04,062 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 01:09:04,063 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 01:09:04,063 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 01:09:04,064 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 01:09:04,066 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 01:09:04,066 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 01:09:04,066 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 01:09:04,067 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 01:09:04,067 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 01:09:04,067 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 01:09:04,068 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 01:09:04,068 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 01:09:04,068 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 01:09:04,069 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 01:09:04,069 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 01:09:04,069 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 01:09:04,069 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 01:09:04,070 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 01:09:04,070 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_91fcb7f4-b559-489a-a60b-95af1ccf673f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 01:09:04,078 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 01:09:04,078 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 01:09:04,079 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 01:09:04,079 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 01:09:04,079 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 01:09:04,079 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 01:09:04,080 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 01:09:04,080 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 01:09:04,080 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 01:09:04,080 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 01:09:04,080 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 01:09:04,080 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 01:09:04,080 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 01:09:04,081 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 01:09:04,081 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 01:09:04,081 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 01:09:04,081 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 01:09:04,082 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 01:09:04,082 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 01:09:04,082 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 01:09:04,082 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 01:09:04,082 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 01:09:04,082 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 01:09:04,082 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 01:09:04,083 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 01:09:04,083 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 01:09:04,083 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 01:09:04,083 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 01:09:04,083 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 01:09:04,083 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 01:09:04,084 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 01:09:04,084 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 01:09:04,084 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 01:09:04,084 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 01:09:04,084 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 01:09:04,084 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 01:09:04,084 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_91fcb7f4-b559-489a-a60b-95af1ccf673f/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 -> ff1c9a6c430c39da5b14cad9bf3eb91126a91c65 [2018-12-09 01:09:04,107 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 01:09:04,115 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 01:09:04,117 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 01:09:04,118 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 01:09:04,118 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 01:09:04,119 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_91fcb7f4-b559-489a-a60b-95af1ccf673f/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem16_label40_true-unreach-call.c [2018-12-09 01:09:04,156 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_91fcb7f4-b559-489a-a60b-95af1ccf673f/bin-2019/utaipan/data/d58acc141/82f8a5d536d44f7ebefed0cee09387a3/FLAG50827b199 [2018-12-09 01:09:04,616 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 01:09:04,617 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_91fcb7f4-b559-489a-a60b-95af1ccf673f/sv-benchmarks/c/eca-rers2012/Problem16_label40_true-unreach-call.c [2018-12-09 01:09:04,626 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_91fcb7f4-b559-489a-a60b-95af1ccf673f/bin-2019/utaipan/data/d58acc141/82f8a5d536d44f7ebefed0cee09387a3/FLAG50827b199 [2018-12-09 01:09:04,636 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_91fcb7f4-b559-489a-a60b-95af1ccf673f/bin-2019/utaipan/data/d58acc141/82f8a5d536d44f7ebefed0cee09387a3 [2018-12-09 01:09:04,638 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 01:09:04,639 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 01:09:04,639 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 01:09:04,639 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 01:09:04,641 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 01:09:04,642 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:09:04" (1/1) ... [2018-12-09 01:09:04,644 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@706fcb08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:09:04, skipping insertion in model container [2018-12-09 01:09:04,644 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:09:04" (1/1) ... [2018-12-09 01:09:04,648 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 01:09:04,686 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 01:09:04,984 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 01:09:04,986 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 01:09:05,155 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 01:09:05,165 INFO L195 MainTranslator]: Completed translation [2018-12-09 01:09:05,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:09:05 WrapperNode [2018-12-09 01:09:05,165 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 01:09:05,166 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 01:09:05,166 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 01:09:05,166 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 01:09:05,171 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:09:05" (1/1) ... [2018-12-09 01:09:05,186 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:09:05" (1/1) ... [2018-12-09 01:09:05,191 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 01:09:05,191 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 01:09:05,191 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 01:09:05,191 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 01:09:05,197 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:09:05" (1/1) ... [2018-12-09 01:09:05,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:09:05" (1/1) ... [2018-12-09 01:09:05,202 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:09:05" (1/1) ... [2018-12-09 01:09:05,202 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:09:05" (1/1) ... [2018-12-09 01:09:05,228 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:09:05" (1/1) ... [2018-12-09 01:09:05,237 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:09:05" (1/1) ... [2018-12-09 01:09:05,244 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:09:05" (1/1) ... [2018-12-09 01:09:05,253 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 01:09:05,254 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 01:09:05,254 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 01:09:05,254 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 01:09:05,254 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:09:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_91fcb7f4-b559-489a-a60b-95af1ccf673f/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 01:09:05,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 01:09:05,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 01:09:05,295 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-12-09 01:09:05,295 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-12-09 01:09:05,295 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-09 01:09:05,295 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-09 01:09:05,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 01:09:05,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 01:09:05,296 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 01:09:05,296 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 01:09:06,616 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 01:09:06,616 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-09 01:09:06,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:09:06 BoogieIcfgContainer [2018-12-09 01:09:06,616 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 01:09:06,617 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 01:09:06,617 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 01:09:06,619 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 01:09:06,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 01:09:04" (1/3) ... [2018-12-09 01:09:06,620 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12732197 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 01:09:06, skipping insertion in model container [2018-12-09 01:09:06,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:09:05" (2/3) ... [2018-12-09 01:09:06,620 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12732197 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 01:09:06, skipping insertion in model container [2018-12-09 01:09:06,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:09:06" (3/3) ... [2018-12-09 01:09:06,622 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label40_true-unreach-call.c [2018-12-09 01:09:06,627 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 01:09:06,632 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 01:09:06,641 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 01:09:06,662 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 01:09:06,662 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 01:09:06,662 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 01:09:06,662 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 01:09:06,662 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 01:09:06,662 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 01:09:06,662 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 01:09:06,663 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 01:09:06,677 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states. [2018-12-09 01:09:06,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-09 01:09:06,682 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:09:06,682 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 01:09:06,683 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:09:06,686 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:09:06,686 INFO L82 PathProgramCache]: Analyzing trace with hash -1393249942, now seen corresponding path program 1 times [2018-12-09 01:09:06,688 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 01:09:06,720 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:09:06,720 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:09:06,720 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:09:06,720 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 01:09:06,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:09:06,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:09:06,901 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 01:09:06,901 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 01:09:06,902 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 01:09:06,906 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 01:09:06,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 01:09:06,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 01:09:06,920 INFO L87 Difference]: Start difference. First operand 409 states. Second operand 3 states. [2018-12-09 01:09:07,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:09:07,939 INFO L93 Difference]: Finished difference Result 1153 states and 2141 transitions. [2018-12-09 01:09:07,940 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 01:09:07,940 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 69 [2018-12-09 01:09:07,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:09:07,950 INFO L225 Difference]: With dead ends: 1153 [2018-12-09 01:09:07,950 INFO L226 Difference]: Without dead ends: 682 [2018-12-09 01:09:07,955 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 01:09:07,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2018-12-09 01:09:07,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 682. [2018-12-09 01:09:08,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 682 states. [2018-12-09 01:09:08,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 1190 transitions. [2018-12-09 01:09:08,003 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 1190 transitions. Word has length 69 [2018-12-09 01:09:08,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:09:08,004 INFO L480 AbstractCegarLoop]: Abstraction has 682 states and 1190 transitions. [2018-12-09 01:09:08,004 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 01:09:08,004 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 1190 transitions. [2018-12-09 01:09:08,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-12-09 01:09:08,007 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:09:08,007 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 01:09:08,007 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:09:08,008 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:09:08,008 INFO L82 PathProgramCache]: Analyzing trace with hash 1266997046, now seen corresponding path program 1 times [2018-12-09 01:09:08,008 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 01:09:08,009 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:09:08,009 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:09:08,009 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:09:08,009 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 01:09:08,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:09:08,114 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:09:08,114 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 01:09:08,114 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 01:09:08,114 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 01:09:08,116 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 01:09:08,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 01:09:08,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 01:09:08,116 INFO L87 Difference]: Start difference. First operand 682 states and 1190 transitions. Second operand 6 states. [2018-12-09 01:09:09,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:09:09,602 INFO L93 Difference]: Finished difference Result 1730 states and 3016 transitions. [2018-12-09 01:09:09,602 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 01:09:09,602 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 161 [2018-12-09 01:09:09,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:09:09,609 INFO L225 Difference]: With dead ends: 1730 [2018-12-09 01:09:09,609 INFO L226 Difference]: Without dead ends: 1054 [2018-12-09 01:09:09,611 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-09 01:09:09,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1054 states. [2018-12-09 01:09:09,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1054 to 1034. [2018-12-09 01:09:09,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1034 states. [2018-12-09 01:09:09,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 1034 states and 1692 transitions. [2018-12-09 01:09:09,642 INFO L78 Accepts]: Start accepts. Automaton has 1034 states and 1692 transitions. Word has length 161 [2018-12-09 01:09:09,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:09:09,642 INFO L480 AbstractCegarLoop]: Abstraction has 1034 states and 1692 transitions. [2018-12-09 01:09:09,642 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 01:09:09,642 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1692 transitions. [2018-12-09 01:09:09,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-12-09 01:09:09,647 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:09:09,647 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-09 01:09:09,648 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:09:09,648 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:09:09,648 INFO L82 PathProgramCache]: Analyzing trace with hash 7693126, now seen corresponding path program 1 times [2018-12-09 01:09:09,648 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 01:09:09,649 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:09:09,649 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:09:09,649 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:09:09,649 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 01:09:09,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:09:09,774 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 124 proven. 88 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 01:09:09,774 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 01:09:09,774 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 01:09:09,775 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 272 with the following transitions: [2018-12-09 01:09:09,776 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [639], [641], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [764], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 01:09:09,804 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 01:09:09,804 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 01:09:10,039 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 01:09:10,040 INFO L272 AbstractInterpreter]: Visited 115 different actions 115 times. Never merged. Never widened. Performed 1038 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1038 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 24 variables. [2018-12-09 01:09:10,045 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:09:10,045 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 01:09:10,312 INFO L227 lantSequenceWeakener]: Weakened 262 states. On average, predicates are now at 78.16% of their original sizes. [2018-12-09 01:09:10,312 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 01:09:10,337 INFO L418 sIntCurrentIteration]: We unified 270 AI predicates to 270 [2018-12-09 01:09:10,337 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 01:09:10,338 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 01:09:10,338 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-12-09 01:09:10,338 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 01:09:10,338 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 01:09:10,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 01:09:10,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 01:09:10,338 INFO L87 Difference]: Start difference. First operand 1034 states and 1692 transitions. Second operand 6 states. [2018-12-09 01:09:32,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:09:32,123 INFO L93 Difference]: Finished difference Result 2400 states and 3915 transitions. [2018-12-09 01:09:32,123 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 01:09:32,123 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 271 [2018-12-09 01:09:32,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:09:32,126 INFO L225 Difference]: With dead ends: 2400 [2018-12-09 01:09:32,127 INFO L226 Difference]: Without dead ends: 1372 [2018-12-09 01:09:32,128 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 271 GetRequests, 266 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-09 01:09:32,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1372 states. [2018-12-09 01:09:32,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1372 to 1371. [2018-12-09 01:09:32,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1371 states. [2018-12-09 01:09:32,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1371 states to 1371 states and 2036 transitions. [2018-12-09 01:09:32,144 INFO L78 Accepts]: Start accepts. Automaton has 1371 states and 2036 transitions. Word has length 271 [2018-12-09 01:09:32,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:09:32,144 INFO L480 AbstractCegarLoop]: Abstraction has 1371 states and 2036 transitions. [2018-12-09 01:09:32,144 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 01:09:32,144 INFO L276 IsEmpty]: Start isEmpty. Operand 1371 states and 2036 transitions. [2018-12-09 01:09:32,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2018-12-09 01:09:32,147 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:09:32,148 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 01:09:32,148 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:09:32,148 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:09:32,148 INFO L82 PathProgramCache]: Analyzing trace with hash -137738337, now seen corresponding path program 1 times [2018-12-09 01:09:32,148 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 01:09:32,149 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:09:32,149 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:09:32,149 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:09:32,149 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 01:09:32,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:09:32,296 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 191 proven. 197 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-12-09 01:09:32,296 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 01:09:32,296 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 01:09:32,296 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 363 with the following transitions: [2018-12-09 01:09:32,296 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [639], [641], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [760], [761], [764], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 01:09:32,299 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 01:09:32,299 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 01:09:32,441 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 01:09:32,441 INFO L272 AbstractInterpreter]: Visited 120 different actions 346 times. Merged at 4 different actions 7 times. Never widened. Performed 3355 root evaluator evaluations with a maximum evaluation depth of 7. Performed 3355 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-09 01:09:32,443 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:09:32,444 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 01:09:32,444 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 01:09:32,444 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_91fcb7f4-b559-489a-a60b-95af1ccf673f/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 01:09:32,452 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:09:32,452 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 01:09:32,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:09:32,513 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 01:09:32,604 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 395 proven. 2 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-12-09 01:09:32,604 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 01:09:32,735 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 279 proven. 92 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-12-09 01:09:32,750 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 01:09:32,750 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-12-09 01:09:32,750 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 01:09:32,751 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 01:09:32,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 01:09:32,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2018-12-09 01:09:32,751 INFO L87 Difference]: Start difference. First operand 1371 states and 2036 transitions. Second operand 9 states. [2018-12-09 01:09:34,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:09:34,338 INFO L93 Difference]: Finished difference Result 3452 states and 5474 transitions. [2018-12-09 01:09:34,339 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 01:09:34,339 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 362 [2018-12-09 01:09:34,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:09:34,349 INFO L225 Difference]: With dead ends: 3452 [2018-12-09 01:09:34,349 INFO L226 Difference]: Without dead ends: 2424 [2018-12-09 01:09:34,352 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 738 GetRequests, 723 SyntacticMatches, 3 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2018-12-09 01:09:34,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2424 states. [2018-12-09 01:09:34,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2424 to 2418. [2018-12-09 01:09:34,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2418 states. [2018-12-09 01:09:34,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2418 states to 2418 states and 3468 transitions. [2018-12-09 01:09:34,389 INFO L78 Accepts]: Start accepts. Automaton has 2418 states and 3468 transitions. Word has length 362 [2018-12-09 01:09:34,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:09:34,389 INFO L480 AbstractCegarLoop]: Abstraction has 2418 states and 3468 transitions. [2018-12-09 01:09:34,389 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 01:09:34,389 INFO L276 IsEmpty]: Start isEmpty. Operand 2418 states and 3468 transitions. [2018-12-09 01:09:34,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 478 [2018-12-09 01:09:34,394 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:09:34,395 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2018-12-09 01:09:34,395 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:09:34,395 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:09:34,395 INFO L82 PathProgramCache]: Analyzing trace with hash -2026001578, now seen corresponding path program 1 times [2018-12-09 01:09:34,395 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 01:09:34,395 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:09:34,396 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:09:34,396 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:09:34,396 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 01:09:34,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:09:34,558 INFO L134 CoverageAnalysis]: Checked inductivity of 815 backedges. 345 proven. 200 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2018-12-09 01:09:34,558 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 01:09:34,558 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 01:09:34,559 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 478 with the following transitions: [2018-12-09 01:09:34,559 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [639], [641], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [760], [761], [764], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 01:09:34,561 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 01:09:34,561 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 01:09:34,674 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 01:09:34,675 INFO L272 AbstractInterpreter]: Visited 126 different actions 364 times. Merged at 4 different actions 7 times. Never widened. Performed 3549 root evaluator evaluations with a maximum evaluation depth of 7. Performed 3549 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-09 01:09:34,678 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:09:34,679 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 01:09:34,679 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 01:09:34,679 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_91fcb7f4-b559-489a-a60b-95af1ccf673f/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 01:09:34,687 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:09:34,687 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 01:09:34,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:09:34,765 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 01:09:34,870 INFO L134 CoverageAnalysis]: Checked inductivity of 815 backedges. 595 proven. 2 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2018-12-09 01:09:34,871 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 01:09:35,030 INFO L134 CoverageAnalysis]: Checked inductivity of 815 backedges. 345 proven. 200 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2018-12-09 01:09:35,045 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 01:09:35,045 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-12-09 01:09:35,045 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 01:09:35,046 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 01:09:35,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 01:09:35,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-12-09 01:09:35,046 INFO L87 Difference]: Start difference. First operand 2418 states and 3468 transitions. Second operand 9 states. [2018-12-09 01:09:41,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:09:41,737 INFO L93 Difference]: Finished difference Result 8076 states and 12216 transitions. [2018-12-09 01:09:41,737 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-12-09 01:09:41,737 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 477 [2018-12-09 01:09:41,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:09:41,748 INFO L225 Difference]: With dead ends: 8076 [2018-12-09 01:09:41,748 INFO L226 Difference]: Without dead ends: 5266 [2018-12-09 01:09:41,754 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1025 GetRequests, 982 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 523 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=430, Invalid=1462, Unknown=0, NotChecked=0, Total=1892 [2018-12-09 01:09:41,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5266 states. [2018-12-09 01:09:41,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5266 to 5232. [2018-12-09 01:09:41,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5232 states. [2018-12-09 01:09:41,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5232 states to 5232 states and 5914 transitions. [2018-12-09 01:09:41,824 INFO L78 Accepts]: Start accepts. Automaton has 5232 states and 5914 transitions. Word has length 477 [2018-12-09 01:09:41,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:09:41,824 INFO L480 AbstractCegarLoop]: Abstraction has 5232 states and 5914 transitions. [2018-12-09 01:09:41,824 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 01:09:41,824 INFO L276 IsEmpty]: Start isEmpty. Operand 5232 states and 5914 transitions. [2018-12-09 01:09:41,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 749 [2018-12-09 01:09:41,831 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:09:41,831 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 01:09:41,831 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:09:41,831 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:09:41,831 INFO L82 PathProgramCache]: Analyzing trace with hash 1093006851, now seen corresponding path program 1 times [2018-12-09 01:09:41,831 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 01:09:41,832 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:09:41,832 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:09:41,832 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:09:41,832 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 01:09:41,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:09:42,516 INFO L134 CoverageAnalysis]: Checked inductivity of 1023 backedges. 360 proven. 345 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2018-12-09 01:09:42,517 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 01:09:42,517 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 01:09:42,517 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 749 with the following transitions: [2018-12-09 01:09:42,517 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [639], [641], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1256], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 01:09:42,521 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 01:09:42,521 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 01:09:42,763 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 01:09:42,763 INFO L272 AbstractInterpreter]: Visited 249 different actions 492 times. Merged at 4 different actions 4 times. Never widened. Performed 5203 root evaluator evaluations with a maximum evaluation depth of 13. Performed 5203 inverse root evaluator evaluations with a maximum inverse evaluation depth of 13. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-09 01:09:42,764 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:09:42,764 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 01:09:43,234 INFO L227 lantSequenceWeakener]: Weakened 745 states. On average, predicates are now at 77.62% of their original sizes. [2018-12-09 01:09:43,234 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 01:09:43,289 INFO L418 sIntCurrentIteration]: We unified 747 AI predicates to 747 [2018-12-09 01:09:43,289 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 01:09:43,290 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 01:09:43,290 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [8] total 16 [2018-12-09 01:09:43,290 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 01:09:43,290 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 01:09:43,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 01:09:43,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 01:09:43,291 INFO L87 Difference]: Start difference. First operand 5232 states and 5914 transitions. Second operand 10 states. [2018-12-09 01:10:13,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:10:13,850 INFO L93 Difference]: Finished difference Result 10462 states and 11868 transitions. [2018-12-09 01:10:13,850 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-09 01:10:13,850 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 748 [2018-12-09 01:10:13,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:10:13,858 INFO L225 Difference]: With dead ends: 10462 [2018-12-09 01:10:13,859 INFO L226 Difference]: Without dead ends: 5573 [2018-12-09 01:10:13,863 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 755 GetRequests, 739 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-12-09 01:10:13,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5573 states. [2018-12-09 01:10:13,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5573 to 5571. [2018-12-09 01:10:13,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5571 states. [2018-12-09 01:10:13,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5571 states to 5571 states and 6259 transitions. [2018-12-09 01:10:13,924 INFO L78 Accepts]: Start accepts. Automaton has 5571 states and 6259 transitions. Word has length 748 [2018-12-09 01:10:13,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:10:13,924 INFO L480 AbstractCegarLoop]: Abstraction has 5571 states and 6259 transitions. [2018-12-09 01:10:13,924 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 01:10:13,924 INFO L276 IsEmpty]: Start isEmpty. Operand 5571 states and 6259 transitions. [2018-12-09 01:10:13,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 857 [2018-12-09 01:10:13,932 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:10:13,932 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-09 01:10:13,933 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:10:13,933 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:10:13,933 INFO L82 PathProgramCache]: Analyzing trace with hash -573729425, now seen corresponding path program 1 times [2018-12-09 01:10:13,933 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 01:10:13,933 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:10:13,933 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:10:13,934 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:10:13,934 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 01:10:13,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:10:14,343 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 328 proven. 807 refuted. 0 times theorem prover too weak. 350 trivial. 0 not checked. [2018-12-09 01:10:14,344 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 01:10:14,344 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 01:10:14,344 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 857 with the following transitions: [2018-12-09 01:10:14,344 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [639], [641], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [796], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1256], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 01:10:14,347 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 01:10:14,347 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 01:10:14,650 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 01:10:14,650 INFO L272 AbstractInterpreter]: Visited 258 different actions 768 times. Merged at 6 different actions 14 times. Never widened. Performed 8998 root evaluator evaluations with a maximum evaluation depth of 13. Performed 8998 inverse root evaluator evaluations with a maximum inverse evaluation depth of 13. Found 3 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-09 01:10:14,653 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:10:14,653 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 01:10:15,066 INFO L227 lantSequenceWeakener]: Weakened 853 states. On average, predicates are now at 80.34% of their original sizes. [2018-12-09 01:10:15,066 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 01:10:15,099 INFO L418 sIntCurrentIteration]: We unified 855 AI predicates to 855 [2018-12-09 01:10:15,099 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 01:10:15,099 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 01:10:15,099 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 13 [2018-12-09 01:10:15,099 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 01:10:15,100 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 01:10:15,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 01:10:15,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 01:10:15,100 INFO L87 Difference]: Start difference. First operand 5571 states and 6259 transitions. Second operand 9 states. [2018-12-09 01:11:23,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:11:23,936 INFO L93 Difference]: Finished difference Result 11177 states and 12653 transitions. [2018-12-09 01:11:23,936 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-09 01:11:23,936 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 856 [2018-12-09 01:11:23,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:11:23,951 INFO L225 Difference]: With dead ends: 11177 [2018-12-09 01:11:23,951 INFO L226 Difference]: Without dead ends: 6288 [2018-12-09 01:11:23,959 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 862 GetRequests, 848 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-12-09 01:11:23,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6288 states. [2018-12-09 01:11:24,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6288 to 6264. [2018-12-09 01:11:24,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6264 states. [2018-12-09 01:11:24,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6264 states to 6264 states and 6997 transitions. [2018-12-09 01:11:24,026 INFO L78 Accepts]: Start accepts. Automaton has 6264 states and 6997 transitions. Word has length 856 [2018-12-09 01:11:24,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:11:24,026 INFO L480 AbstractCegarLoop]: Abstraction has 6264 states and 6997 transitions. [2018-12-09 01:11:24,026 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 01:11:24,026 INFO L276 IsEmpty]: Start isEmpty. Operand 6264 states and 6997 transitions. [2018-12-09 01:11:24,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 986 [2018-12-09 01:11:24,037 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:11:24,037 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-09 01:11:24,038 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:11:24,038 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:11:24,038 INFO L82 PathProgramCache]: Analyzing trace with hash 193525818, now seen corresponding path program 1 times [2018-12-09 01:11:24,038 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 01:11:24,039 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:11:24,039 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:11:24,039 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:11:24,039 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 01:11:24,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:11:24,945 INFO L134 CoverageAnalysis]: Checked inductivity of 2130 backedges. 627 proven. 734 refuted. 0 times theorem prover too weak. 769 trivial. 0 not checked. [2018-12-09 01:11:24,945 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 01:11:24,945 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 01:11:24,945 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 986 with the following transitions: [2018-12-09 01:11:24,945 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [639], [641], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [796], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1256], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 01:11:24,948 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 01:11:24,948 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 01:11:25,553 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 01:11:25,553 INFO L272 AbstractInterpreter]: Visited 260 different actions 1296 times. Merged at 10 different actions 39 times. Never widened. Performed 15783 root evaluator evaluations with a maximum evaluation depth of 18. Performed 15783 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 12 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-09 01:11:25,556 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:11:25,556 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 01:11:25,556 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 01:11:25,556 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_91fcb7f4-b559-489a-a60b-95af1ccf673f/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 01:11:25,561 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:11:25,561 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 01:11:25,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:11:25,668 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 01:11:25,939 INFO L134 CoverageAnalysis]: Checked inductivity of 2130 backedges. 1569 proven. 2 refuted. 0 times theorem prover too weak. 559 trivial. 0 not checked. [2018-12-09 01:11:25,939 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 01:11:26,274 INFO L134 CoverageAnalysis]: Checked inductivity of 2130 backedges. 730 proven. 223 refuted. 0 times theorem prover too weak. 1177 trivial. 0 not checked. [2018-12-09 01:11:26,289 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 01:11:26,289 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 17 [2018-12-09 01:11:26,289 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 01:11:26,290 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-09 01:11:26,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-09 01:11:26,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2018-12-09 01:11:26,290 INFO L87 Difference]: Start difference. First operand 6264 states and 6997 transitions. Second operand 15 states. [2018-12-09 01:11:29,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:11:29,985 INFO L93 Difference]: Finished difference Result 15034 states and 17282 transitions. [2018-12-09 01:11:29,985 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-12-09 01:11:29,985 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 985 [2018-12-09 01:11:29,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:11:30,005 INFO L225 Difference]: With dead ends: 15034 [2018-12-09 01:11:30,005 INFO L226 Difference]: Without dead ends: 9452 [2018-12-09 01:11:30,014 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2057 GetRequests, 2000 SyntacticMatches, 2 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 922 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=628, Invalid=2564, Unknown=0, NotChecked=0, Total=3192 [2018-12-09 01:11:30,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9452 states. [2018-12-09 01:11:30,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9452 to 9380. [2018-12-09 01:11:30,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9380 states. [2018-12-09 01:11:30,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9380 states to 9380 states and 10508 transitions. [2018-12-09 01:11:30,132 INFO L78 Accepts]: Start accepts. Automaton has 9380 states and 10508 transitions. Word has length 985 [2018-12-09 01:11:30,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:11:30,133 INFO L480 AbstractCegarLoop]: Abstraction has 9380 states and 10508 transitions. [2018-12-09 01:11:30,133 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-09 01:11:30,133 INFO L276 IsEmpty]: Start isEmpty. Operand 9380 states and 10508 transitions. [2018-12-09 01:11:30,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1312 [2018-12-09 01:11:30,144 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:11:30,145 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 01:11:30,145 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:11:30,145 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:11:30,145 INFO L82 PathProgramCache]: Analyzing trace with hash 143969818, now seen corresponding path program 1 times [2018-12-09 01:11:30,145 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 01:11:30,146 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:11:30,146 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:11:30,146 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:11:30,146 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 01:11:30,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:11:30,797 INFO L134 CoverageAnalysis]: Checked inductivity of 3809 backedges. 965 proven. 336 refuted. 0 times theorem prover too weak. 2508 trivial. 0 not checked. [2018-12-09 01:11:30,798 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 01:11:30,798 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 01:11:30,798 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1312 with the following transitions: [2018-12-09 01:11:30,798 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [639], [641], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1256], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 01:11:30,800 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 01:11:30,800 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 01:11:31,364 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 01:11:31,364 INFO L272 AbstractInterpreter]: Visited 254 different actions 1025 times. Merged at 12 different actions 41 times. Widened at 1 different actions 1 times. Performed 12008 root evaluator evaluations with a maximum evaluation depth of 18. Performed 12008 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 14 fixpoints after 4 different actions. Largest state had 24 variables. [2018-12-09 01:11:31,366 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:11:31,366 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 01:11:31,366 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 01:11:31,366 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_91fcb7f4-b559-489a-a60b-95af1ccf673f/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 01:11:31,372 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:11:31,372 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 01:11:31,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:11:31,503 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 01:11:31,899 INFO L134 CoverageAnalysis]: Checked inductivity of 3809 backedges. 2577 proven. 2 refuted. 0 times theorem prover too weak. 1230 trivial. 0 not checked. [2018-12-09 01:11:31,900 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 01:11:32,439 INFO L134 CoverageAnalysis]: Checked inductivity of 3809 backedges. 965 proven. 336 refuted. 0 times theorem prover too weak. 2508 trivial. 0 not checked. [2018-12-09 01:11:32,454 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 01:11:32,454 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-09 01:11:32,454 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 01:11:32,455 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 01:11:32,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 01:11:32,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-12-09 01:11:32,456 INFO L87 Difference]: Start difference. First operand 9380 states and 10508 transitions. Second operand 9 states. [2018-12-09 01:11:33,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:11:33,667 INFO L93 Difference]: Finished difference Result 19811 states and 22534 transitions. [2018-12-09 01:11:33,667 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-09 01:11:33,667 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1311 [2018-12-09 01:11:33,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:11:33,693 INFO L225 Difference]: With dead ends: 19811 [2018-12-09 01:11:33,693 INFO L226 Difference]: Without dead ends: 11450 [2018-12-09 01:11:33,704 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2639 GetRequests, 2623 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2018-12-09 01:11:33,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11450 states. [2018-12-09 01:11:33,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11450 to 11094. [2018-12-09 01:11:33,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11094 states. [2018-12-09 01:11:33,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11094 states to 11094 states and 12315 transitions. [2018-12-09 01:11:33,838 INFO L78 Accepts]: Start accepts. Automaton has 11094 states and 12315 transitions. Word has length 1311 [2018-12-09 01:11:33,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:11:33,839 INFO L480 AbstractCegarLoop]: Abstraction has 11094 states and 12315 transitions. [2018-12-09 01:11:33,839 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 01:11:33,839 INFO L276 IsEmpty]: Start isEmpty. Operand 11094 states and 12315 transitions. [2018-12-09 01:11:33,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1313 [2018-12-09 01:11:33,850 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:11:33,851 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 01:11:33,851 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:11:33,851 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:11:33,851 INFO L82 PathProgramCache]: Analyzing trace with hash 1901389047, now seen corresponding path program 1 times [2018-12-09 01:11:33,851 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 01:11:33,852 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:11:33,852 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:11:33,852 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:11:33,852 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 01:11:33,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:11:34,487 INFO L134 CoverageAnalysis]: Checked inductivity of 3816 backedges. 1144 proven. 250 refuted. 0 times theorem prover too weak. 2422 trivial. 0 not checked. [2018-12-09 01:11:34,488 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 01:11:34,488 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 01:11:34,488 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1313 with the following transitions: [2018-12-09 01:11:34,488 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [639], [641], [644], [652], [660], [668], [673], [676], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1256], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 01:11:34,490 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 01:11:34,490 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 01:11:35,064 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 01:11:35,064 INFO L272 AbstractInterpreter]: Visited 254 different actions 1025 times. Merged at 12 different actions 41 times. Widened at 1 different actions 1 times. Performed 11989 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11989 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 14 fixpoints after 4 different actions. Largest state had 24 variables. [2018-12-09 01:11:35,068 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:11:35,068 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 01:11:35,068 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 01:11:35,068 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_91fcb7f4-b559-489a-a60b-95af1ccf673f/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 01:11:35,073 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:11:35,073 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 01:11:35,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:11:35,206 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 01:11:35,631 INFO L134 CoverageAnalysis]: Checked inductivity of 3816 backedges. 2484 proven. 2 refuted. 0 times theorem prover too weak. 1330 trivial. 0 not checked. [2018-12-09 01:11:35,631 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 01:11:36,141 INFO L134 CoverageAnalysis]: Checked inductivity of 3816 backedges. 1144 proven. 250 refuted. 0 times theorem prover too weak. 2422 trivial. 0 not checked. [2018-12-09 01:11:36,157 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 01:11:36,157 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-09 01:11:36,157 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 01:11:36,158 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 01:11:36,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 01:11:36,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-12-09 01:11:36,158 INFO L87 Difference]: Start difference. First operand 11094 states and 12315 transitions. Second operand 9 states. [2018-12-09 01:11:38,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:11:38,346 INFO L93 Difference]: Finished difference Result 22345 states and 25506 transitions. [2018-12-09 01:11:38,346 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-09 01:11:38,346 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1312 [2018-12-09 01:11:38,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:11:38,368 INFO L225 Difference]: With dead ends: 22345 [2018-12-09 01:11:38,368 INFO L226 Difference]: Without dead ends: 12270 [2018-12-09 01:11:38,381 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2652 GetRequests, 2630 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=145, Invalid=317, Unknown=0, NotChecked=0, Total=462 [2018-12-09 01:11:38,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12270 states. [2018-12-09 01:11:38,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12270 to 12137. [2018-12-09 01:11:38,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12137 states. [2018-12-09 01:11:38,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12137 states to 12137 states and 13298 transitions. [2018-12-09 01:11:38,500 INFO L78 Accepts]: Start accepts. Automaton has 12137 states and 13298 transitions. Word has length 1312 [2018-12-09 01:11:38,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:11:38,501 INFO L480 AbstractCegarLoop]: Abstraction has 12137 states and 13298 transitions. [2018-12-09 01:11:38,501 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 01:11:38,501 INFO L276 IsEmpty]: Start isEmpty. Operand 12137 states and 13298 transitions. [2018-12-09 01:11:38,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1341 [2018-12-09 01:11:38,513 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:11:38,514 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-09 01:11:38,514 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:11:38,514 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:11:38,514 INFO L82 PathProgramCache]: Analyzing trace with hash 1652301247, now seen corresponding path program 1 times [2018-12-09 01:11:38,514 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 01:11:38,515 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:11:38,515 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:11:38,515 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:11:38,515 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 01:11:38,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:11:39,854 INFO L134 CoverageAnalysis]: Checked inductivity of 3937 backedges. 2275 proven. 382 refuted. 0 times theorem prover too weak. 1280 trivial. 0 not checked. [2018-12-09 01:11:39,854 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 01:11:39,854 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 01:11:39,854 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1341 with the following transitions: [2018-12-09 01:11:39,854 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [639], [641], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1256], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 01:11:39,856 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 01:11:39,856 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 01:11:40,383 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 01:11:40,383 INFO L272 AbstractInterpreter]: Visited 254 different actions 1019 times. Merged at 11 different actions 35 times. Never widened. Performed 11973 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11973 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 14 fixpoints after 6 different actions. Largest state had 24 variables. [2018-12-09 01:11:40,385 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:11:40,385 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 01:11:40,385 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 01:11:40,385 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_91fcb7f4-b559-489a-a60b-95af1ccf673f/bin-2019/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 01:11:40,391 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:11:40,391 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 01:11:40,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:11:40,534 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 01:11:40,978 INFO L134 CoverageAnalysis]: Checked inductivity of 3937 backedges. 517 proven. 0 refuted. 0 times theorem prover too weak. 3420 trivial. 0 not checked. [2018-12-09 01:11:40,979 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 01:11:41,401 INFO L134 CoverageAnalysis]: Checked inductivity of 3937 backedges. 517 proven. 0 refuted. 0 times theorem prover too weak. 3420 trivial. 0 not checked. [2018-12-09 01:11:41,416 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-09 01:11:41,417 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 9 [2018-12-09 01:11:41,417 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 01:11:41,417 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 01:11:41,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 01:11:41,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-12-09 01:11:41,417 INFO L87 Difference]: Start difference. First operand 12137 states and 13298 transitions. Second operand 3 states. [2018-12-09 01:11:42,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:11:42,058 INFO L93 Difference]: Finished difference Result 23594 states and 25905 transitions. [2018-12-09 01:11:42,058 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 01:11:42,058 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1340 [2018-12-09 01:11:42,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:11:42,074 INFO L225 Difference]: With dead ends: 23594 [2018-12-09 01:11:42,074 INFO L226 Difference]: Without dead ends: 12137 [2018-12-09 01:11:42,083 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2691 GetRequests, 2682 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-12-09 01:11:42,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12137 states. [2018-12-09 01:11:42,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12137 to 12135. [2018-12-09 01:11:42,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12135 states. [2018-12-09 01:11:42,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12135 states to 12135 states and 13135 transitions. [2018-12-09 01:11:42,188 INFO L78 Accepts]: Start accepts. Automaton has 12135 states and 13135 transitions. Word has length 1340 [2018-12-09 01:11:42,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:11:42,189 INFO L480 AbstractCegarLoop]: Abstraction has 12135 states and 13135 transitions. [2018-12-09 01:11:42,189 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 01:11:42,189 INFO L276 IsEmpty]: Start isEmpty. Operand 12135 states and 13135 transitions. [2018-12-09 01:11:42,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1658 [2018-12-09 01:11:42,207 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:11:42,208 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 01:11:42,208 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:11:42,208 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:11:42,208 INFO L82 PathProgramCache]: Analyzing trace with hash -1864661142, now seen corresponding path program 1 times [2018-12-09 01:11:42,208 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 01:11:42,208 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:11:42,209 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:11:42,209 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:11:42,209 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 01:11:42,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:11:45,406 INFO L134 CoverageAnalysis]: Checked inductivity of 5309 backedges. 1432 proven. 507 refuted. 0 times theorem prover too weak. 3370 trivial. 0 not checked. [2018-12-09 01:11:45,406 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 01:11:45,406 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 01:11:45,406 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1658 with the following transitions: [2018-12-09 01:11:45,407 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [639], [641], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [764], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1056], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1412], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 01:11:45,409 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 01:11:45,409 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 01:11:46,104 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 01:11:46,104 INFO L272 AbstractInterpreter]: Visited 289 different actions 1163 times. Merged at 11 different actions 39 times. Widened at 1 different actions 1 times. Performed 13985 root evaluator evaluations with a maximum evaluation depth of 22. Performed 13985 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 15 fixpoints after 6 different actions. Largest state had 24 variables. [2018-12-09 01:11:46,106 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:11:46,106 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 01:11:46,106 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 01:11:46,106 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_91fcb7f4-b559-489a-a60b-95af1ccf673f/bin-2019/utaipan/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 01:11:46,112 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:11:46,112 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 01:11:46,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:11:46,276 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 01:11:47,218 INFO L134 CoverageAnalysis]: Checked inductivity of 5309 backedges. 3607 proven. 2 refuted. 0 times theorem prover too weak. 1700 trivial. 0 not checked. [2018-12-09 01:11:47,218 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 01:11:49,317 INFO L134 CoverageAnalysis]: Checked inductivity of 5309 backedges. 1432 proven. 507 refuted. 0 times theorem prover too weak. 3370 trivial. 0 not checked. [2018-12-09 01:11:49,333 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 01:11:49,333 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5, 5] total 16 [2018-12-09 01:11:49,333 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 01:11:49,334 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-12-09 01:11:49,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-12-09 01:11:49,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2018-12-09 01:11:49,335 INFO L87 Difference]: Start difference. First operand 12135 states and 13135 transitions. Second operand 14 states. [2018-12-09 01:11:53,878 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 43 [2018-12-09 01:11:54,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:11:54,307 INFO L93 Difference]: Finished difference Result 24696 states and 27066 transitions. [2018-12-09 01:11:54,308 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-12-09 01:11:54,308 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 1657 [2018-12-09 01:11:54,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:11:54,326 INFO L225 Difference]: With dead ends: 24696 [2018-12-09 01:11:54,327 INFO L226 Difference]: Without dead ends: 13580 [2018-12-09 01:11:54,338 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3396 GetRequests, 3341 SyntacticMatches, 5 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 689 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=585, Invalid=2067, Unknown=0, NotChecked=0, Total=2652 [2018-12-09 01:11:54,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13580 states. [2018-12-09 01:11:54,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13580 to 13519. [2018-12-09 01:11:54,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13519 states. [2018-12-09 01:11:54,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13519 states to 13519 states and 14660 transitions. [2018-12-09 01:11:54,471 INFO L78 Accepts]: Start accepts. Automaton has 13519 states and 14660 transitions. Word has length 1657 [2018-12-09 01:11:54,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:11:54,472 INFO L480 AbstractCegarLoop]: Abstraction has 13519 states and 14660 transitions. [2018-12-09 01:11:54,472 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-12-09 01:11:54,472 INFO L276 IsEmpty]: Start isEmpty. Operand 13519 states and 14660 transitions. [2018-12-09 01:11:54,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1677 [2018-12-09 01:11:54,491 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:11:54,491 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 01:11:54,491 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:11:54,491 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:11:54,492 INFO L82 PathProgramCache]: Analyzing trace with hash 1186619182, now seen corresponding path program 1 times [2018-12-09 01:11:54,492 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 01:11:54,492 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:11:54,492 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:11:54,492 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:11:54,492 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 01:11:54,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:11:56,327 INFO L134 CoverageAnalysis]: Checked inductivity of 5270 backedges. 3076 proven. 585 refuted. 0 times theorem prover too weak. 1609 trivial. 0 not checked. [2018-12-09 01:11:56,328 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 01:11:56,328 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 01:11:56,328 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1677 with the following transitions: [2018-12-09 01:11:56,328 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [173], [179], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [639], [641], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1256], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1533], [1537], [1541], [1545], [1549], [1551], [1552], [1556], [1565], [1569], [1571], [1576], [1577], [1578], [1579], [1580], [1582], [1583] [2018-12-09 01:11:56,331 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 01:11:56,332 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 01:11:56,999 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 01:11:56,999 INFO L272 AbstractInterpreter]: Visited 352 different actions 1410 times. Merged at 12 different actions 43 times. Widened at 1 different actions 1 times. Performed 17359 root evaluator evaluations with a maximum evaluation depth of 18. Performed 17359 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 15 fixpoints after 5 different actions. Largest state had 24 variables. [2018-12-09 01:11:57,000 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:11:57,001 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 01:11:57,001 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 01:11:57,001 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_91fcb7f4-b559-489a-a60b-95af1ccf673f/bin-2019/utaipan/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 01:11:57,006 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:11:57,006 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 01:11:57,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:11:57,170 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 01:11:57,786 INFO L134 CoverageAnalysis]: Checked inductivity of 5270 backedges. 582 proven. 0 refuted. 0 times theorem prover too weak. 4688 trivial. 0 not checked. [2018-12-09 01:11:57,786 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 01:11:58,435 INFO L134 CoverageAnalysis]: Checked inductivity of 5270 backedges. 582 proven. 0 refuted. 0 times theorem prover too weak. 4688 trivial. 0 not checked. [2018-12-09 01:11:58,451 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-09 01:11:58,452 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 9 [2018-12-09 01:11:58,452 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 01:11:58,452 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 01:11:58,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 01:11:58,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-12-09 01:11:58,452 INFO L87 Difference]: Start difference. First operand 13519 states and 14660 transitions. Second operand 3 states. [2018-12-09 01:11:59,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:11:59,086 INFO L93 Difference]: Finished difference Result 25674 states and 27938 transitions. [2018-12-09 01:11:59,086 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 01:11:59,087 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1676 [2018-12-09 01:11:59,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:11:59,103 INFO L225 Difference]: With dead ends: 25674 [2018-12-09 01:11:59,104 INFO L226 Difference]: Without dead ends: 13174 [2018-12-09 01:11:59,115 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3367 GetRequests, 3358 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-12-09 01:11:59,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13174 states. [2018-12-09 01:11:59,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13174 to 13168. [2018-12-09 01:11:59,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13168 states. [2018-12-09 01:11:59,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13168 states to 13168 states and 13998 transitions. [2018-12-09 01:11:59,239 INFO L78 Accepts]: Start accepts. Automaton has 13168 states and 13998 transitions. Word has length 1676 [2018-12-09 01:11:59,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:11:59,240 INFO L480 AbstractCegarLoop]: Abstraction has 13168 states and 13998 transitions. [2018-12-09 01:11:59,240 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 01:11:59,240 INFO L276 IsEmpty]: Start isEmpty. Operand 13168 states and 13998 transitions. [2018-12-09 01:11:59,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1818 [2018-12-09 01:11:59,260 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:11:59,260 INFO L402 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 01:11:59,260 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:11:59,260 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:11:59,261 INFO L82 PathProgramCache]: Analyzing trace with hash -584662594, now seen corresponding path program 1 times [2018-12-09 01:11:59,261 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 01:11:59,261 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:11:59,261 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:11:59,261 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:11:59,261 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 01:11:59,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:12:02,049 INFO L134 CoverageAnalysis]: Checked inductivity of 6543 backedges. 2938 proven. 1187 refuted. 0 times theorem prover too weak. 2418 trivial. 0 not checked. [2018-12-09 01:12:02,050 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 01:12:02,050 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 01:12:02,050 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1818 with the following transitions: [2018-12-09 01:12:02,050 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [639], [641], [644], [652], [660], [668], [673], [676], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [764], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1056], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1148], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1412], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 01:12:02,053 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 01:12:02,053 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 01:12:02,770 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 01:12:02,770 INFO L272 AbstractInterpreter]: Visited 290 different actions 1168 times. Merged at 12 different actions 40 times. Widened at 1 different actions 1 times. Performed 14024 root evaluator evaluations with a maximum evaluation depth of 22. Performed 14024 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 16 fixpoints after 7 different actions. Largest state had 24 variables. [2018-12-09 01:12:02,771 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:12:02,771 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 01:12:02,771 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 01:12:02,771 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_91fcb7f4-b559-489a-a60b-95af1ccf673f/bin-2019/utaipan/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 01:12:02,777 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:12:02,777 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 01:12:02,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:12:02,954 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 01:12:03,754 INFO L134 CoverageAnalysis]: Checked inductivity of 6543 backedges. 3581 proven. 2 refuted. 0 times theorem prover too weak. 2960 trivial. 0 not checked. [2018-12-09 01:12:03,754 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 01:12:05,078 INFO L134 CoverageAnalysis]: Checked inductivity of 6543 backedges. 1910 proven. 255 refuted. 0 times theorem prover too weak. 4378 trivial. 0 not checked. [2018-12-09 01:12:05,094 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 01:12:05,094 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 5, 5] total 19 [2018-12-09 01:12:05,094 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 01:12:05,095 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-12-09 01:12:05,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-12-09 01:12:05,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=270, Unknown=0, NotChecked=0, Total=342 [2018-12-09 01:12:05,096 INFO L87 Difference]: Start difference. First operand 13168 states and 13998 transitions. Second operand 18 states. [2018-12-09 01:12:13,601 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2018-12-09 01:12:14,569 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2018-12-09 01:12:14,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:12:14,974 INFO L93 Difference]: Finished difference Result 25391 states and 27189 transitions. [2018-12-09 01:12:14,975 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2018-12-09 01:12:14,975 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 1817 [2018-12-09 01:12:14,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:12:14,994 INFO L225 Difference]: With dead ends: 25391 [2018-12-09 01:12:14,994 INFO L226 Difference]: Without dead ends: 13242 [2018-12-09 01:12:15,008 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3748 GetRequests, 3671 SyntacticMatches, 4 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1723 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=1017, Invalid=4533, Unknown=0, NotChecked=0, Total=5550 [2018-12-09 01:12:15,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13242 states. [2018-12-09 01:12:15,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13242 to 13166. [2018-12-09 01:12:15,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13166 states. [2018-12-09 01:12:15,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13166 states to 13166 states and 13918 transitions. [2018-12-09 01:12:15,161 INFO L78 Accepts]: Start accepts. Automaton has 13166 states and 13918 transitions. Word has length 1817 [2018-12-09 01:12:15,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:12:15,162 INFO L480 AbstractCegarLoop]: Abstraction has 13166 states and 13918 transitions. [2018-12-09 01:12:15,162 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-12-09 01:12:15,162 INFO L276 IsEmpty]: Start isEmpty. Operand 13166 states and 13918 transitions. [2018-12-09 01:12:15,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1850 [2018-12-09 01:12:15,184 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:12:15,184 INFO L402 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 01:12:15,185 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:12:15,185 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:12:15,185 INFO L82 PathProgramCache]: Analyzing trace with hash 793998594, now seen corresponding path program 1 times [2018-12-09 01:12:15,185 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 01:12:15,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:12:15,185 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:12:15,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:12:15,186 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 01:12:15,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:12:18,637 INFO L134 CoverageAnalysis]: Checked inductivity of 7545 backedges. 3495 proven. 1613 refuted. 0 times theorem prover too weak. 2437 trivial. 0 not checked. [2018-12-09 01:12:18,638 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 01:12:18,638 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 01:12:18,638 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1850 with the following transitions: [2018-12-09 01:12:18,638 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [639], [641], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [764], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1056], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1256], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1404], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 01:12:18,640 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 01:12:18,640 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 01:12:19,208 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 01:12:19,209 INFO L272 AbstractInterpreter]: Visited 270 different actions 1084 times. Merged at 12 different actions 36 times. Never widened. Performed 12850 root evaluator evaluations with a maximum evaluation depth of 18. Performed 12850 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 17 fixpoints after 9 different actions. Largest state had 24 variables. [2018-12-09 01:12:19,210 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:12:19,210 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 01:12:19,210 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 01:12:19,210 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_91fcb7f4-b559-489a-a60b-95af1ccf673f/bin-2019/utaipan/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 01:12:19,216 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:12:19,216 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 01:12:19,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:12:19,398 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 01:12:20,356 INFO L134 CoverageAnalysis]: Checked inductivity of 7545 backedges. 5304 proven. 6 refuted. 0 times theorem prover too weak. 2235 trivial. 0 not checked. [2018-12-09 01:12:20,356 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 01:12:22,033 INFO L134 CoverageAnalysis]: Checked inductivity of 7545 backedges. 1919 proven. 1030 refuted. 0 times theorem prover too weak. 4596 trivial. 0 not checked. [2018-12-09 01:12:22,049 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 01:12:22,050 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 8, 8] total 29 [2018-12-09 01:12:22,050 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 01:12:22,050 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-12-09 01:12:22,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-12-09 01:12:22,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=700, Unknown=0, NotChecked=0, Total=812 [2018-12-09 01:12:22,051 INFO L87 Difference]: Start difference. First operand 13166 states and 13918 transitions. Second operand 24 states. [2018-12-09 01:12:39,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:12:39,427 INFO L93 Difference]: Finished difference Result 26482 states and 28261 transitions. [2018-12-09 01:12:39,427 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2018-12-09 01:12:39,427 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 1849 [2018-12-09 01:12:39,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:12:39,452 INFO L225 Difference]: With dead ends: 26482 [2018-12-09 01:12:39,452 INFO L226 Difference]: Without dead ends: 14335 [2018-12-09 01:12:39,467 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3893 GetRequests, 3767 SyntacticMatches, 3 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5148 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=2350, Invalid=13150, Unknown=0, NotChecked=0, Total=15500 [2018-12-09 01:12:39,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14335 states. [2018-12-09 01:12:39,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14335 to 14190. [2018-12-09 01:12:39,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14190 states. [2018-12-09 01:12:39,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14190 states to 14190 states and 14915 transitions. [2018-12-09 01:12:39,609 INFO L78 Accepts]: Start accepts. Automaton has 14190 states and 14915 transitions. Word has length 1849 [2018-12-09 01:12:39,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:12:39,609 INFO L480 AbstractCegarLoop]: Abstraction has 14190 states and 14915 transitions. [2018-12-09 01:12:39,609 INFO L481 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-12-09 01:12:39,609 INFO L276 IsEmpty]: Start isEmpty. Operand 14190 states and 14915 transitions. [2018-12-09 01:12:39,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1889 [2018-12-09 01:12:39,628 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:12:39,628 INFO L402 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 01:12:39,628 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:12:39,628 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:12:39,629 INFO L82 PathProgramCache]: Analyzing trace with hash 1870495031, now seen corresponding path program 1 times [2018-12-09 01:12:39,629 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 01:12:39,629 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:12:39,629 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:12:39,629 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:12:39,629 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 01:12:39,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:12:40,688 INFO L134 CoverageAnalysis]: Checked inductivity of 7314 backedges. 712 proven. 0 refuted. 0 times theorem prover too weak. 6602 trivial. 0 not checked. [2018-12-09 01:12:40,688 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 01:12:40,688 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 01:12:40,688 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 01:12:40,689 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 01:12:40,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 01:12:40,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-09 01:12:40,689 INFO L87 Difference]: Start difference. First operand 14190 states and 14915 transitions. Second operand 4 states. [2018-12-09 01:12:41,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:12:41,786 INFO L93 Difference]: Finished difference Result 40682 states and 43157 transitions. [2018-12-09 01:12:41,786 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 01:12:41,786 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1888 [2018-12-09 01:12:41,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:12:41,787 INFO L225 Difference]: With dead ends: 40682 [2018-12-09 01:12:41,788 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 01:12:41,814 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-09 01:12:41,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 01:12:41,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 01:12:41,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 01:12:41,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 01:12:41,814 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1888 [2018-12-09 01:12:41,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:12:41,815 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 01:12:41,815 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 01:12:41,815 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 01:12:41,815 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 01:12:41,818 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 01:12:41,836 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:12:41,879 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:12:41,879 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:12:41,881 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:12:41,994 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:12:41,994 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:12:42,099 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:12:42,104 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:12:42,105 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:12:42,752 WARN L180 SmtUtils]: Spent 924.00 ms on a formula simplification. DAG size of input: 519 DAG size of output: 477 [2018-12-09 01:12:43,152 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:12:43,157 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:12:43,158 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:12:43,159 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:12:43,258 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:12:43,258 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:12:43,424 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:12:43,428 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:12:43,429 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:12:44,095 WARN L180 SmtUtils]: Spent 949.00 ms on a formula simplification. DAG size of input: 546 DAG size of output: 502 [2018-12-09 01:12:47,432 WARN L180 SmtUtils]: Spent 3.31 s on a formula simplification. DAG size of input: 479 DAG size of output: 70 [2018-12-09 01:12:48,511 WARN L180 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 296 DAG size of output: 100 [2018-12-09 01:12:49,579 WARN L180 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 299 DAG size of output: 102 [2018-12-09 01:12:51,253 WARN L180 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 341 DAG size of output: 128 [2018-12-09 01:12:54,906 WARN L180 SmtUtils]: Spent 3.64 s on a formula simplification. DAG size of input: 505 DAG size of output: 70 [2018-12-09 01:12:54,908 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 01:12:54,908 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a16~0)| ~a16~0) (<= ~a18~0 |old(~a18~0)|) (= |old(~a15~0)| ~a15~0) (= |old(~a12~0)| ~a12~0)) [2018-12-09 01:12:54,908 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 01:12:54,908 INFO L448 ceAbstractionStarter]: For program point L1497(lines 1497 1763) no Hoare annotation was computed. [2018-12-09 01:12:54,908 INFO L448 ceAbstractionStarter]: For program point calculate_output2EXIT(lines 1494 1765) no Hoare annotation was computed. [2018-12-09 01:12:54,908 INFO L448 ceAbstractionStarter]: For program point L1687(lines 1687 1763) no Hoare annotation was computed. [2018-12-09 01:12:54,908 INFO L448 ceAbstractionStarter]: For program point L1704(lines 1704 1763) no Hoare annotation was computed. [2018-12-09 01:12:54,908 INFO L448 ceAbstractionStarter]: For program point L1638(lines 1638 1763) no Hoare annotation was computed. [2018-12-09 01:12:54,908 INFO L448 ceAbstractionStarter]: For program point L1663(lines 1663 1763) no Hoare annotation was computed. [2018-12-09 01:12:54,908 INFO L448 ceAbstractionStarter]: For program point L1597(lines 1597 1763) no Hoare annotation was computed. [2018-12-09 01:12:54,909 INFO L448 ceAbstractionStarter]: For program point L1721(lines 1721 1763) no Hoare annotation was computed. [2018-12-09 01:12:54,909 INFO L448 ceAbstractionStarter]: For program point L1622(lines 1622 1763) no Hoare annotation was computed. [2018-12-09 01:12:54,909 INFO L448 ceAbstractionStarter]: For program point L1746(lines 1746 1763) no Hoare annotation was computed. [2018-12-09 01:12:54,909 INFO L448 ceAbstractionStarter]: For program point L1515(lines 1515 1763) no Hoare annotation was computed. [2018-12-09 01:12:54,909 INFO L448 ceAbstractionStarter]: For program point L1573(lines 1573 1763) no Hoare annotation was computed. [2018-12-09 01:12:54,909 INFO L448 ceAbstractionStarter]: For program point L1540(lines 1540 1763) no Hoare annotation was computed. [2018-12-09 01:12:54,909 INFO L448 ceAbstractionStarter]: For program point L1656(lines 1656 1763) no Hoare annotation was computed. [2018-12-09 01:12:54,909 INFO L448 ceAbstractionStarter]: For program point L1739(lines 1739 1763) no Hoare annotation was computed. [2018-12-09 01:12:54,909 INFO L448 ceAbstractionStarter]: For program point L1566(lines 1566 1763) no Hoare annotation was computed. [2018-12-09 01:12:54,909 INFO L448 ceAbstractionStarter]: For program point L1591(lines 1591 1763) no Hoare annotation was computed. [2018-12-09 01:12:54,909 INFO L448 ceAbstractionStarter]: For program point L1715(lines 1715 1763) no Hoare annotation was computed. [2018-12-09 01:12:54,909 INFO L448 ceAbstractionStarter]: For program point L1682(lines 1682 1763) no Hoare annotation was computed. [2018-12-09 01:12:54,909 INFO L448 ceAbstractionStarter]: For program point L1616(lines 1616 1763) no Hoare annotation was computed. [2018-12-09 01:12:54,909 INFO L448 ceAbstractionStarter]: For program point L1699(lines 1699 1763) no Hoare annotation was computed. [2018-12-09 01:12:54,909 INFO L448 ceAbstractionStarter]: For program point L1633(lines 1633 1763) no Hoare annotation was computed. [2018-12-09 01:12:54,909 INFO L448 ceAbstractionStarter]: For program point L1534(lines 1534 1763) no Hoare annotation was computed. [2018-12-09 01:12:54,909 INFO L448 ceAbstractionStarter]: For program point L1757(lines 1757 1763) no Hoare annotation was computed. [2018-12-09 01:12:54,909 INFO L448 ceAbstractionStarter]: For program point L1559(lines 1559 1763) no Hoare annotation was computed. [2018-12-09 01:12:54,909 INFO L448 ceAbstractionStarter]: For program point L1675(lines 1675 1763) no Hoare annotation was computed. [2018-12-09 01:12:54,909 INFO L448 ceAbstractionStarter]: For program point L1609(lines 1609 1763) no Hoare annotation was computed. [2018-12-09 01:12:54,909 INFO L448 ceAbstractionStarter]: For program point L1510(lines 1510 1763) no Hoare annotation was computed. [2018-12-09 01:12:54,909 INFO L448 ceAbstractionStarter]: For program point L1733(lines 1733 1763) no Hoare annotation was computed. [2018-12-09 01:12:54,910 INFO L444 ceAbstractionStarter]: At program point calculate_output2ENTRY(lines 1494 1765) the Hoare annotation is: (let ((.cse7 (<= ~a18~0 |old(~a18~0)|)) (.cse8 (= |old(~a15~0)| ~a15~0)) (.cse9 (= ~a16~0 |old(~a16~0)|)) (.cse10 (= |old(~a12~0)| ~a12~0)) (.cse14 (= 9 |old(~a16~0)|)) (.cse6 (< 3 |old(~a15~0)|)) (.cse2 (not (= 8 |old(~a12~0)|)))) (let ((.cse12 (< 6 |old(~a12~0)|)) (.cse18 (not (= 8 |old(~a16~0)|))) (.cse5 (< |old(~a12~0)| 7)) (.cse15 (or .cse6 .cse2)) (.cse1 (< 0 (+ ~a18~0 79))) (.cse3 (<= (+ |old(~a18~0)| 79) 0)) (.cse4 (not .cse14)) (.cse19 (<= 7 ~a18~0)) (.cse20 (< |old(~a18~0)| 7)) (.cse21 (not (= 7 |old(~a12~0)|))) (.cse0 (not (= 4 |old(~a15~0)|))) (.cse16 (< 5 |old(~a12~0)|)) (.cse25 (= (+ ~a18~0 87) 0)) (.cse22 (not (= 3 |old(~a15~0)|))) (.cse23 (not (= (+ |old(~a18~0)| 87) 0))) (.cse24 (not (= 11 |old(~a16~0)|))) (.cse17 (not (= 6 |old(~a12~0)|))) (.cse11 (= 10 |old(~a16~0)|)) (.cse13 (and .cse7 .cse8 .cse9 .cse10))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 (and .cse7 .cse8 .cse1 .cse9 .cse10) .cse3 .cse11) (or .cse12 .cse13 .cse6 .cse14 (< |old(~a12~0)| 6)) (or .cse15 (and (and (= 8 ~a12~0) (= |old(~a16~0)| ~a16~0)) .cse7 .cse8)) (or .cse6 .cse13 .cse16 .cse11) (or .cse0 .cse3 .cse17 .cse1 .cse4) (or .cse6 .cse14 .cse3 .cse11 .cse1) (or .cse0 .cse1 .cse18 .cse3 .cse17) (or .cse0 .cse17 .cse13) (or .cse0 .cse11 .cse13) (or .cse0 .cse19 .cse20 .cse21 .cse4) (or .cse0 .cse18 .cse20 .cse19) (or .cse12 .cse6 .cse14 .cse20 .cse19) (or .cse5 .cse6 .cse20 .cse11 .cse19) (or .cse19 .cse0 .cse12 .cse14 .cse20) (or .cse0 .cse18 .cse5 .cse3 .cse1) (or .cse15 .cse20 .cse19) (or .cse0 .cse1 .cse21 .cse3 .cse4) (or .cse19 .cse6 .cse20 .cse16) (or .cse6 .cse13 .cse20 .cse16) (or .cse22 (not (= 5 |old(~a12~0)|)) .cse23 .cse24 .cse25) (or .cse13 .cse6 .cse21 .cse11) (or .cse0 .cse16 .cse13) (or .cse25 (or .cse22 .cse23 .cse24) .cse17) (or .cse6 .cse14 .cse11 .cse13)))) [2018-12-09 01:12:54,910 INFO L448 ceAbstractionStarter]: For program point L1527(lines 1527 1763) no Hoare annotation was computed. [2018-12-09 01:12:54,910 INFO L448 ceAbstractionStarter]: For program point L1651(lines 1651 1763) no Hoare annotation was computed. [2018-12-09 01:12:54,910 INFO L448 ceAbstractionStarter]: For program point L1585(lines 1585 1763) no Hoare annotation was computed. [2018-12-09 01:12:54,910 INFO L448 ceAbstractionStarter]: For program point L1709(lines 1709 1763) no Hoare annotation was computed. [2018-12-09 01:12:54,910 INFO L448 ceAbstractionStarter]: For program point L1503(lines 1503 1763) no Hoare annotation was computed. [2018-12-09 01:12:54,910 INFO L448 ceAbstractionStarter]: For program point L1693(lines 1693 1763) no Hoare annotation was computed. [2018-12-09 01:12:54,910 INFO L448 ceAbstractionStarter]: For program point L1553(lines 1553 1763) no Hoare annotation was computed. [2018-12-09 01:12:54,910 INFO L448 ceAbstractionStarter]: For program point calculate_output2FINAL(lines 1494 1765) no Hoare annotation was computed. [2018-12-09 01:12:54,910 INFO L448 ceAbstractionStarter]: For program point L1669(lines 1669 1763) no Hoare annotation was computed. [2018-12-09 01:12:54,910 INFO L448 ceAbstractionStarter]: For program point L1603(lines 1603 1763) no Hoare annotation was computed. [2018-12-09 01:12:54,910 INFO L448 ceAbstractionStarter]: For program point L1727(lines 1727 1763) no Hoare annotation was computed. [2018-12-09 01:12:54,910 INFO L448 ceAbstractionStarter]: For program point L1628(lines 1628 1763) no Hoare annotation was computed. [2018-12-09 01:12:54,910 INFO L448 ceAbstractionStarter]: For program point L1752(lines 1752 1763) no Hoare annotation was computed. [2018-12-09 01:12:54,910 INFO L448 ceAbstractionStarter]: For program point L1521(lines 1521 1763) no Hoare annotation was computed. [2018-12-09 01:12:54,910 INFO L448 ceAbstractionStarter]: For program point L1645(lines 1645 1763) no Hoare annotation was computed. [2018-12-09 01:12:54,910 INFO L448 ceAbstractionStarter]: For program point L1579(lines 1579 1763) no Hoare annotation was computed. [2018-12-09 01:12:54,910 INFO L448 ceAbstractionStarter]: For program point L1546(lines 1546 1763) no Hoare annotation was computed. [2018-12-09 01:12:54,910 INFO L448 ceAbstractionStarter]: For program point L894(lines 894 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,910 INFO L448 ceAbstractionStarter]: For program point L828(lines 828 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,910 INFO L448 ceAbstractionStarter]: For program point L696(lines 696 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,910 INFO L448 ceAbstractionStarter]: For program point L1291(lines 1291 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,910 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 01:12:54,910 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 01:12:54,911 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 01:12:54,911 INFO L448 ceAbstractionStarter]: For program point L961(lines 961 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,911 INFO L448 ceAbstractionStarter]: For program point L763(lines 763 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,911 INFO L448 ceAbstractionStarter]: For program point L631(lines 631 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,911 INFO L448 ceAbstractionStarter]: For program point L367(lines 367 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,911 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 196) no Hoare annotation was computed. [2018-12-09 01:12:54,911 INFO L448 ceAbstractionStarter]: For program point L1358(lines 1358 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,911 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,911 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-12-09 01:12:54,911 INFO L448 ceAbstractionStarter]: For program point L1160(lines 1160 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,911 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-12-09 01:12:54,911 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-12-09 01:12:54,912 INFO L444 ceAbstractionStarter]: At program point L1491(line 1491) the Hoare annotation is: (let ((.cse12 (< 3 |old(~a15~0)|)) (.cse2 (not (= 8 |old(~a12~0)|))) (.cse13 (= 9 |old(~a16~0)|)) (.cse17 (<= ~a18~0 |old(~a18~0)|)) (.cse18 (= |old(~a15~0)| ~a15~0)) (.cse19 (= ~a16~0 |old(~a16~0)|)) (.cse20 (= |old(~a12~0)| ~a12~0))) (let ((.cse14 (< |old(~a12~0)| 6)) (.cse10 (not (= (+ |old(~a18~0)| 87) 0))) (.cse9 (= (+ ~a18~0 87) 0)) (.cse29 (<= ~a18~0 134)) (.cse15 (and .cse17 .cse18 .cse19 .cse20)) (.cse11 (< 6 |old(~a12~0)|)) (.cse24 (< 5 |old(~a12~0)|)) (.cse4 (not .cse13)) (.cse30 (not (= 6 |old(~a12~0)|))) (.cse26 (or .cse12 .cse2)) (.cse23 (<= 7 ~a18~0)) (.cse0 (not (= 4 |old(~a15~0)|))) (.cse27 (not (= 8 |old(~a16~0)|))) (.cse16 (< |old(~a12~0)| 7)) (.cse3 (<= (+ |old(~a18~0)| 79) 0)) (.cse5 (not (= 3 |old(~a15~0)|))) (.cse22 (< |old(~a18~0)| 7)) (.cse6 (not (= 11 |old(~a16~0)|))) (.cse7 (= |calculate_output_#in~input| 0)) (.cse8 (not (= calculate_output_~input 0))) (.cse28 (not (= calculate_output_~input 3))) (.cse25 (not (= 7 |old(~a12~0)|))) (.cse1 (< 0 (+ ~a18~0 79))) (.cse21 (= 10 |old(~a16~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 (not (= 5 |old(~a12~0)|)) .cse6 .cse7 (and .cse8 .cse9) .cse10) (or .cse11 .cse12 .cse13 .cse14 .cse15) (or .cse16 .cse12 (and .cse17 .cse18 .cse1 .cse19 .cse20) .cse3 .cse21) (or .cse0 .cse11 .cse13 .cse22 .cse23) (or .cse5 .cse14 .cse8 .cse6 .cse7) (or .cse12 .cse24 .cse21 .cse15) (or .cse0 .cse25 .cse3 .cse1 .cse4) (or (and (= |old(~a16~0)| ~a16~0) .cse17 .cse18 .cse20) .cse26) (or .cse12 .cse13 .cse3 .cse21 .cse1) (or .cse0 .cse27 (or .cse28 .cse29) .cse30) (or .cse0 .cse21 .cse15) (or .cse0 .cse23 .cse22 .cse25 .cse4) (or .cse0 .cse27 .cse22 .cse23) (or .cse7 (or .cse5 .cse6) .cse10 .cse30 .cse9) (or .cse12 .cse25 .cse15 .cse21) (or .cse0 .cse30 (and (or (< 134 ~a18~0) (not (= calculate_output_~input 1))) (or (not (= calculate_output_~input 6)) .cse29)) .cse4) (or .cse15 .cse0 .cse11) (or .cse11 .cse12 .cse13 .cse22 .cse23) (or .cse16 .cse12 .cse22 .cse21 .cse23) (or .cse12 .cse22 .cse24 (and .cse17 .cse18 .cse19 .cse23 .cse20)) (or .cse0 .cse1 .cse3 .cse30 .cse4) (or .cse0 .cse27 .cse1 .cse3 .cse30) (or .cse26 .cse23 .cse22) (or .cse0 .cse27 .cse16 .cse1 .cse3) (or .cse5 .cse22 .cse6 .cse7 (= 0 |old(~a12~0)|) .cse8) (or .cse12 .cse13 (and (or (not (= 11 ~a16~0)) .cse28 .cse25 (not (= ~a15~0 3)) .cse1) .cse17 .cse18 .cse19 .cse20) .cse21)))) [2018-12-09 01:12:54,912 INFO L448 ceAbstractionStarter]: For program point L434(lines 434 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,912 INFO L448 ceAbstractionStarter]: For program point L1491-1(line 1491) no Hoare annotation was computed. [2018-12-09 01:12:54,912 INFO L448 ceAbstractionStarter]: For program point L1227(lines 1227 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,912 INFO L448 ceAbstractionStarter]: For program point L567(lines 567 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,912 INFO L448 ceAbstractionStarter]: For program point L501(lines 501 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,912 INFO L448 ceAbstractionStarter]: For program point L303(lines 303 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,912 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 01:12:54,912 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 01:12:54,912 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 01:12:54,912 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-12-09 01:12:54,912 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-12-09 01:12:54,913 INFO L448 ceAbstractionStarter]: For program point L1097(lines 1097 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,913 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-12-09 01:12:54,913 INFO L448 ceAbstractionStarter]: For program point L1031(lines 1031 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,913 INFO L448 ceAbstractionStarter]: For program point L899(lines 899 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,913 INFO L448 ceAbstractionStarter]: For program point L1428(lines 1428 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,913 INFO L448 ceAbstractionStarter]: For program point L834(lines 834 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,913 INFO L448 ceAbstractionStarter]: For program point L636(lines 636 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,913 INFO L448 ceAbstractionStarter]: For program point L1297(lines 1297 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,913 INFO L448 ceAbstractionStarter]: For program point L240(lines 240 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,913 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 01:12:54,913 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 01:12:54,913 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 01:12:54,913 INFO L448 ceAbstractionStarter]: For program point L967(lines 967 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,913 INFO L448 ceAbstractionStarter]: For program point L769(lines 769 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,913 INFO L448 ceAbstractionStarter]: For program point L703(lines 703 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,914 INFO L448 ceAbstractionStarter]: For program point L373(lines 373 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,914 INFO L448 ceAbstractionStarter]: For program point L1364(lines 1364 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,914 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-12-09 01:12:54,914 INFO L448 ceAbstractionStarter]: For program point L1166(lines 1166 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,914 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-12-09 01:12:54,914 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-12-09 01:12:54,914 INFO L448 ceAbstractionStarter]: For program point L440(lines 440 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,914 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,914 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,914 INFO L448 ceAbstractionStarter]: For program point L1234(lines 1234 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,914 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 01:12:54,914 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 01:12:54,914 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 01:12:54,914 INFO L448 ceAbstractionStarter]: For program point L1036(lines 1036 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,914 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,915 INFO L448 ceAbstractionStarter]: For program point L508(lines 508 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,915 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-12-09 01:12:54,915 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-12-09 01:12:54,915 INFO L448 ceAbstractionStarter]: For program point L1103(lines 1103 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,915 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-12-09 01:12:54,915 INFO L448 ceAbstractionStarter]: For program point L905(lines 905 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,915 INFO L448 ceAbstractionStarter]: For program point L641(lines 641 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,915 INFO L448 ceAbstractionStarter]: For program point L443(lines 443 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,915 INFO L448 ceAbstractionStarter]: For program point L1434(lines 1434 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,915 INFO L448 ceAbstractionStarter]: For program point L840(lines 840 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,915 INFO L448 ceAbstractionStarter]: For program point L1303(lines 1303 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,915 INFO L448 ceAbstractionStarter]: For program point L246(lines 246 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,915 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 01:12:54,915 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 01:12:54,916 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 01:12:54,916 INFO L448 ceAbstractionStarter]: For program point L775(lines 775 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,916 INFO L448 ceAbstractionStarter]: For program point L1370(lines 1370 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,916 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-12-09 01:12:54,916 INFO L448 ceAbstractionStarter]: For program point L1172(lines 1172 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,916 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-12-09 01:12:54,916 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-12-09 01:12:54,916 INFO L448 ceAbstractionStarter]: For program point L974(lines 974 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,916 INFO L448 ceAbstractionStarter]: For program point L578(lines 578 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,916 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,916 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,916 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 01:12:54,916 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 01:12:54,916 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 01:12:54,916 INFO L448 ceAbstractionStarter]: For program point L1042(lines 1042 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,917 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 23 1492) no Hoare annotation was computed. [2018-12-09 01:12:54,917 INFO L448 ceAbstractionStarter]: For program point L778(lines 778 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,917 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,917 INFO L448 ceAbstractionStarter]: For program point L1241(lines 1241 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,917 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-12-09 01:12:54,917 INFO L448 ceAbstractionStarter]: For program point L1175(lines 1175 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,917 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-12-09 01:12:54,917 INFO L448 ceAbstractionStarter]: For program point L1109(lines 1109 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,917 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-12-09 01:12:54,917 INFO L448 ceAbstractionStarter]: For program point L515(lines 515 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,917 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,917 INFO L448 ceAbstractionStarter]: For program point L1440(lines 1440 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,917 INFO L448 ceAbstractionStarter]: For program point L912(lines 912 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,917 INFO L448 ceAbstractionStarter]: For program point L846(lines 846 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,917 INFO L448 ceAbstractionStarter]: For program point L648(lines 648 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,918 INFO L448 ceAbstractionStarter]: For program point L1375(lines 1375 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,918 INFO L448 ceAbstractionStarter]: For program point L1309(lines 1309 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,918 INFO L448 ceAbstractionStarter]: For program point L252(lines 252 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,918 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 01:12:54,918 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 01:12:54,918 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 01:12:54,918 INFO L448 ceAbstractionStarter]: For program point L979(lines 979 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,918 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-12-09 01:12:54,918 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-12-09 01:12:54,918 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-12-09 01:12:54,918 INFO L448 ceAbstractionStarter]: For program point L584(lines 584 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,918 INFO L448 ceAbstractionStarter]: For program point L386(lines 386 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,918 INFO L448 ceAbstractionStarter]: For program point L717(lines 717 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,918 INFO L448 ceAbstractionStarter]: For program point L321(lines 321 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,918 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 01:12:54,919 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 01:12:54,919 INFO L448 ceAbstractionStarter]: For program point L1114(lines 1114 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,919 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 01:12:54,919 INFO L448 ceAbstractionStarter]: For program point L1048(lines 1048 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,919 INFO L448 ceAbstractionStarter]: For program point L784(lines 784 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,919 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,919 INFO L448 ceAbstractionStarter]: For program point L1247(lines 1247 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,919 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-12-09 01:12:54,919 INFO L448 ceAbstractionStarter]: For program point L1181(lines 1181 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,919 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-12-09 01:12:54,919 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-12-09 01:12:54,919 INFO L448 ceAbstractionStarter]: For program point L917(lines 917 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,919 INFO L448 ceAbstractionStarter]: For program point L851(lines 851 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,919 INFO L448 ceAbstractionStarter]: For program point L521(lines 521 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,919 INFO L448 ceAbstractionStarter]: For program point L1446(lines 1446 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,920 INFO L448 ceAbstractionStarter]: For program point L1314(lines 1314 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,920 INFO L448 ceAbstractionStarter]: For program point L257(lines 257 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,920 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 23 1492) the Hoare annotation is: (let ((.cse13 (<= ~a18~0 |old(~a18~0)|)) (.cse14 (= |old(~a15~0)| ~a15~0)) (.cse15 (= ~a16~0 |old(~a16~0)|)) (.cse16 (= |old(~a12~0)| ~a12~0)) (.cse20 (= 9 |old(~a16~0)|)) (.cse12 (< 3 |old(~a15~0)|)) (.cse2 (not (= 8 |old(~a12~0)|)))) (let ((.cse10 (not (= 6 |old(~a12~0)|))) (.cse18 (< 6 |old(~a12~0)|)) (.cse23 (not (= 8 |old(~a16~0)|))) (.cse11 (< |old(~a12~0)| 7)) (.cse21 (or .cse12 .cse2)) (.cse1 (< 0 (+ ~a18~0 79))) (.cse3 (<= (+ |old(~a18~0)| 79) 0)) (.cse4 (not .cse20)) (.cse24 (<= 7 ~a18~0)) (.cse25 (< |old(~a18~0)| 7)) (.cse26 (not (= 7 |old(~a12~0)|))) (.cse0 (not (= 4 |old(~a15~0)|))) (.cse22 (< 5 |old(~a12~0)|)) (.cse7 (not (= 3 |old(~a15~0)|))) (.cse5 (= (+ ~a18~0 87) 0)) (.cse8 (not (= 11 |old(~a16~0)|))) (.cse6 (= |calculate_output_#in~input| 0)) (.cse9 (not (= (+ |old(~a18~0)| 87) 0))) (.cse17 (= 10 |old(~a16~0)|)) (.cse19 (and .cse13 .cse14 .cse15 .cse16))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 (or .cse7 .cse8) .cse9 .cse10) (or .cse11 .cse12 (and .cse13 .cse14 .cse1 .cse15 .cse16) .cse3 .cse17) (or .cse18 .cse19 .cse12 .cse20 (< |old(~a12~0)| 6)) (or .cse21 (and (and (= 8 ~a12~0) (= |old(~a16~0)| ~a16~0)) .cse13 .cse14)) (or .cse12 .cse19 .cse22 .cse17) (or .cse0 .cse3 .cse10 .cse1 .cse4) (or .cse12 .cse20 .cse3 .cse17 .cse1) (or .cse0 .cse1 .cse23 .cse3 .cse10) (or .cse0 .cse10 .cse19) (or .cse0 .cse17 .cse19) (or .cse0 .cse24 .cse25 .cse26 .cse4) (or .cse0 .cse23 .cse25 .cse24) (or .cse18 .cse12 .cse20 .cse25 .cse24) (or .cse11 .cse12 .cse25 .cse17 .cse24) (or .cse24 .cse0 .cse18 .cse20 .cse25) (or .cse0 .cse23 .cse11 .cse3 .cse1) (or .cse21 .cse25 .cse24) (or .cse0 .cse1 .cse26 .cse3 .cse4) (or .cse24 .cse12 .cse25 .cse22) (or .cse12 .cse19 .cse25 .cse22) (or .cse19 .cse12 .cse26 .cse17) (or .cse0 .cse22 .cse19) (or .cse7 (not (= 5 |old(~a12~0)|)) .cse5 .cse8 .cse6 .cse9) (or .cse12 .cse20 .cse17 .cse19)))) [2018-12-09 01:12:54,920 INFO L448 ceAbstractionStarter]: For program point L1381(lines 1381 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,920 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 01:12:54,920 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 01:12:54,920 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 01:12:54,920 INFO L448 ceAbstractionStarter]: For program point L655(lines 655 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,920 INFO L448 ceAbstractionStarter]: For program point L589(lines 589 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,920 INFO L448 ceAbstractionStarter]: For program point L457(lines 457 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,921 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,921 INFO L448 ceAbstractionStarter]: For program point L1250(lines 1250 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,921 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-12-09 01:12:54,921 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-12-09 01:12:54,921 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-12-09 01:12:54,921 INFO L448 ceAbstractionStarter]: For program point L986(lines 986 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,921 INFO L448 ceAbstractionStarter]: For program point L1449(lines 1449 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,921 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,921 INFO L448 ceAbstractionStarter]: For program point L723(lines 723 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,921 INFO L448 ceAbstractionStarter]: For program point L327(lines 327 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,921 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 01:12:54,921 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 01:12:54,921 INFO L448 ceAbstractionStarter]: For program point L1120(lines 1120 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,921 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 01:12:54,921 INFO L448 ceAbstractionStarter]: For program point L922(lines 922 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,922 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,922 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-12-09 01:12:54,922 INFO L448 ceAbstractionStarter]: For program point L1187(lines 1187 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,922 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-09 01:12:54,922 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-12-09 01:12:54,922 INFO L448 ceAbstractionStarter]: For program point L1055(lines 1055 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,922 INFO L448 ceAbstractionStarter]: For program point L857(lines 857 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,922 INFO L448 ceAbstractionStarter]: For program point L527(lines 527 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,922 INFO L448 ceAbstractionStarter]: For program point L1386(lines 1386 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,922 INFO L448 ceAbstractionStarter]: For program point L594(lines 594 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,922 INFO L448 ceAbstractionStarter]: For program point L1321(lines 1321 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,922 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 01:12:54,922 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 01:12:54,922 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 01:12:54,922 INFO L448 ceAbstractionStarter]: For program point L661(lines 661 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,923 INFO L448 ceAbstractionStarter]: For program point L463(lines 463 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,923 INFO L448 ceAbstractionStarter]: For program point L1256(lines 1256 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,923 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-12-09 01:12:54,923 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-12-09 01:12:54,923 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-12-09 01:12:54,923 INFO L448 ceAbstractionStarter]: For program point L728(lines 728 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,923 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,923 INFO L448 ceAbstractionStarter]: For program point L1125(lines 1125 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,923 INFO L448 ceAbstractionStarter]: For program point L993(lines 993 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,923 INFO L448 ceAbstractionStarter]: For program point L1456(lines 1456 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,923 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,923 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 01:12:54,923 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 01:12:54,923 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 01:12:54,923 INFO L448 ceAbstractionStarter]: For program point L796(lines 796 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,924 INFO L448 ceAbstractionStarter]: For program point L664(lines 664 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,924 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,924 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-12-09 01:12:54,924 INFO L448 ceAbstractionStarter]: For program point L1193(lines 1193 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,924 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-12-09 01:12:54,924 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-12-09 01:12:54,924 INFO L448 ceAbstractionStarter]: For program point L1061(lines 1061 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,924 INFO L448 ceAbstractionStarter]: For program point L929(lines 929 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,924 INFO L448 ceAbstractionStarter]: For program point L863(lines 863 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,924 INFO L448 ceAbstractionStarter]: For program point L533(lines 533 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,924 INFO L448 ceAbstractionStarter]: For program point L1392(lines 1392 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,924 INFO L448 ceAbstractionStarter]: For program point L600(lines 600 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,924 INFO L448 ceAbstractionStarter]: For program point L1327(lines 1327 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,924 INFO L448 ceAbstractionStarter]: For program point L204-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 01:12:54,925 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 01:12:54,925 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 01:12:54,925 INFO L448 ceAbstractionStarter]: For program point L469(lines 469 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,925 INFO L448 ceAbstractionStarter]: For program point L1262(lines 1262 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,925 INFO L448 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2018-12-09 01:12:54,925 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-09 01:12:54,925 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-12-09 01:12:54,925 INFO L448 ceAbstractionStarter]: For program point L734(lines 734 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,925 INFO L448 ceAbstractionStarter]: For program point L1461(lines 1461 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,925 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,925 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,925 INFO L448 ceAbstractionStarter]: For program point L1131(lines 1131 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,925 INFO L448 ceAbstractionStarter]: For program point L999(lines 999 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,925 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 01:12:54,925 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 01:12:54,926 INFO L448 ceAbstractionStarter]: For program point L802(lines 802 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,926 INFO L448 ceAbstractionStarter]: For program point L670(lines 670 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,926 INFO L448 ceAbstractionStarter]: For program point L538(lines 538 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,926 INFO L448 ceAbstractionStarter]: For program point L1397(lines 1397 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,926 INFO L448 ceAbstractionStarter]: For program point L274(lines 274 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,926 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-12-09 01:12:54,926 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-12-09 01:12:54,926 INFO L448 ceAbstractionStarter]: For program point L1067(lines 1067 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,926 INFO L448 ceAbstractionStarter]: For program point L935(lines 935 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,926 INFO L448 ceAbstractionStarter]: For program point L869(lines 869 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,926 INFO L448 ceAbstractionStarter]: For program point L1200(lines 1200 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,926 INFO L448 ceAbstractionStarter]: For program point L606(lines 606 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,926 INFO L448 ceAbstractionStarter]: For program point L1267(lines 1267 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,926 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 01:12:54,927 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 01:12:54,927 INFO L448 ceAbstractionStarter]: For program point L1466(lines 1466 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,927 INFO L448 ceAbstractionStarter]: For program point L1334(lines 1334 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,927 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-12-09 01:12:54,927 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-12-09 01:12:54,927 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,927 INFO L448 ceAbstractionStarter]: For program point L1137(lines 1137 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,927 INFO L448 ceAbstractionStarter]: For program point L1005(lines 1005 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,927 INFO L448 ceAbstractionStarter]: For program point L741(lines 741 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,927 INFO L448 ceAbstractionStarter]: For program point L543(lines 543 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,927 INFO L448 ceAbstractionStarter]: For program point L411(lines 411 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,927 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,927 INFO L448 ceAbstractionStarter]: For program point L279(lines 279 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,927 INFO L448 ceAbstractionStarter]: For program point L213(lines 213 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,927 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 01:12:54,928 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 01:12:54,928 INFO L448 ceAbstractionStarter]: For program point L808(lines 808 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,928 INFO L448 ceAbstractionStarter]: For program point L1403(lines 1403 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,928 INFO L448 ceAbstractionStarter]: For program point L1205(lines 1205 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,928 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-12-09 01:12:54,928 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-12-09 01:12:54,928 INFO L448 ceAbstractionStarter]: For program point L1073(lines 1073 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,928 INFO L448 ceAbstractionStarter]: For program point L875(lines 875 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,928 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,928 INFO L448 ceAbstractionStarter]: For program point L942(lines 942 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,928 INFO L448 ceAbstractionStarter]: For program point L612(lines 612 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,928 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 01:12:54,928 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 01:12:54,928 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 23 1492) no Hoare annotation was computed. [2018-12-09 01:12:54,928 INFO L448 ceAbstractionStarter]: For program point L1472(lines 1472 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,928 INFO L448 ceAbstractionStarter]: For program point L1274(lines 1274 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,929 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-12-09 01:12:54,929 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-12-09 01:12:54,929 INFO L448 ceAbstractionStarter]: For program point L746(lines 746 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,929 INFO L448 ceAbstractionStarter]: For program point L680(lines 680 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,929 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,929 INFO L448 ceAbstractionStarter]: For program point L350(lines 350 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,929 INFO L448 ceAbstractionStarter]: For program point L1341(lines 1341 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,929 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,929 INFO L448 ceAbstractionStarter]: For program point L1143(lines 1143 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,929 INFO L448 ceAbstractionStarter]: For program point L1011(lines 1011 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,929 INFO L448 ceAbstractionStarter]: For program point L483(lines 483 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,929 INFO L448 ceAbstractionStarter]: For program point L417(lines 417 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,929 INFO L448 ceAbstractionStarter]: For program point L285(lines 285 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,929 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 01:12:54,929 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 01:12:54,929 INFO L448 ceAbstractionStarter]: For program point L1409(lines 1409 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,930 INFO L448 ceAbstractionStarter]: For program point L1211(lines 1211 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,930 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-09 01:12:54,930 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-12-09 01:12:54,930 INFO L448 ceAbstractionStarter]: For program point L1079(lines 1079 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,930 INFO L448 ceAbstractionStarter]: For program point L815(lines 815 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,930 INFO L448 ceAbstractionStarter]: For program point L948(lines 948 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,930 INFO L448 ceAbstractionStarter]: For program point L882(lines 882 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,930 INFO L448 ceAbstractionStarter]: For program point L618(lines 618 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,930 INFO L448 ceAbstractionStarter]: For program point L1477(lines 1477 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,930 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 01:12:54,930 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 01:12:54,930 INFO L448 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2018-12-09 01:12:54,930 INFO L448 ceAbstractionStarter]: For program point L24-2(lines 23 1492) no Hoare annotation was computed. [2018-12-09 01:12:54,930 INFO L448 ceAbstractionStarter]: For program point L1280(lines 1280 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,930 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,930 INFO L448 ceAbstractionStarter]: For program point L1214(lines 1214 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,931 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-12-09 01:12:54,931 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-12-09 01:12:54,931 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-12-09 01:12:54,931 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,931 INFO L448 ceAbstractionStarter]: For program point L686(lines 686 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,931 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,931 INFO L448 ceAbstractionStarter]: For program point L356(lines 356 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,931 INFO L448 ceAbstractionStarter]: For program point L1347(lines 1347 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,931 INFO L448 ceAbstractionStarter]: For program point L290(lines 290 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,931 INFO L448 ceAbstractionStarter]: For program point L1149(lines 1149 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,931 INFO L448 ceAbstractionStarter]: For program point L489(lines 489 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,931 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 01:12:54,931 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 01:12:54,931 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 01:12:54,931 INFO L448 ceAbstractionStarter]: For program point L1018(lines 1018 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,931 INFO L448 ceAbstractionStarter]: For program point L424(lines 424 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,932 INFO L448 ceAbstractionStarter]: For program point L1415(lines 1415 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,932 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-12-09 01:12:54,932 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-12-09 01:12:54,932 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-12-09 01:12:54,932 INFO L448 ceAbstractionStarter]: For program point L1086(lines 1086 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,932 INFO L448 ceAbstractionStarter]: For program point L954(lines 954 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,932 INFO L448 ceAbstractionStarter]: For program point L888(lines 888 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,932 INFO L448 ceAbstractionStarter]: For program point L822(lines 822 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,932 INFO L448 ceAbstractionStarter]: For program point L624(lines 624 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,932 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 01:12:54,932 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 01:12:54,932 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 01:12:54,932 INFO L448 ceAbstractionStarter]: For program point L691(lines 691 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,932 INFO L448 ceAbstractionStarter]: For program point L1484(lines 1484 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,932 INFO L448 ceAbstractionStarter]: For program point L427(lines 427 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,932 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,932 INFO L448 ceAbstractionStarter]: For program point L1286(lines 1286 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,932 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,933 INFO L448 ceAbstractionStarter]: For program point L1220(lines 1220 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,933 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-12-09 01:12:54,933 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-12-09 01:12:54,933 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-12-09 01:12:54,933 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,933 INFO L448 ceAbstractionStarter]: For program point L560(lines 560 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,933 INFO L448 ceAbstractionStarter]: For program point L1353(lines 1353 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,933 INFO L448 ceAbstractionStarter]: For program point L1155(lines 1155 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,933 INFO L448 ceAbstractionStarter]: For program point L495(lines 495 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,933 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,933 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 01:12:54,933 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 01:12:54,933 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 01:12:54,933 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-12-09 01:12:54,933 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-12-09 01:12:54,933 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-12-09 01:12:54,934 INFO L448 ceAbstractionStarter]: For program point L1025(lines 1025 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,934 INFO L448 ceAbstractionStarter]: For program point L1422(lines 1422 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,934 INFO L448 ceAbstractionStarter]: For program point L1092(lines 1092 1490) no Hoare annotation was computed. [2018-12-09 01:12:54,934 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 01:12:54,934 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a16~0 11) (= 3 ~a15~0) (= ~a12~0 5) (= (+ ~a18~0 87) 0)) [2018-12-09 01:12:54,934 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 01:12:54,934 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 01:12:54,934 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 1767 1783) the Hoare annotation is: (or (not (= 3 |old(~a15~0)|)) (not (= 5 |old(~a12~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (not (= 11 |old(~a16~0)|)) (and (= (+ ~a18~0 87) 0) (= ~a16~0 |old(~a16~0)|) (= 3 ~a15~0) (= |old(~a12~0)| ~a12~0))) [2018-12-09 01:12:54,934 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 1767 1783) no Hoare annotation was computed. [2018-12-09 01:12:54,934 INFO L444 ceAbstractionStarter]: At program point L1781(line 1781) the Hoare annotation is: (let ((.cse8 (= 4 ~a15~0)) (.cse5 (or (= |old(~a16~0)| 12) (not (= 12 ~a16~0)))) (.cse7 (<= ~a12~0 5)) (.cse0 (<= 7 ~a12~0)) (.cse1 (not (= ~a16~0 10))) (.cse2 (not (= ~a16~0 9))) (.cse4 (<= ~a12~0 6)) (.cse6 (<= 6 ~a12~0)) (.cse9 (< 0 (+ ~a18~0 79))) (.cse3 (<= ~a15~0 3))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= 11 |old(~a16~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (not (= 3 |old(~a15~0)|)) (and .cse4 (and .cse2 .cse5 .cse3) .cse6) (and .cse1 .cse7 .cse3) (and .cse8 .cse4 (and .cse2 .cse5)) (and .cse1 .cse8 .cse5 .cse6) (and .cse3 .cse7 (<= 7 ~a18~0)) (not (= 5 |old(~a12~0)|)) (and .cse8 (and .cse5 .cse7) (or (= ~a12~0 |old(~a12~0)|) (<= ~a18~0 134))) (and .cse0 .cse1 .cse3 .cse9) (and .cse1 (= 7 ~a12~0) .cse3) (and (and (and .cse2 .cse3) .cse4 .cse6) .cse9) (and (= 8 ~a12~0) .cse3))) [2018-12-09 01:12:54,934 INFO L448 ceAbstractionStarter]: For program point L1781-1(line 1781) no Hoare annotation was computed. [2018-12-09 01:12:54,935 INFO L448 ceAbstractionStarter]: For program point L1778(line 1778) no Hoare annotation was computed. [2018-12-09 01:12:54,935 INFO L444 ceAbstractionStarter]: At program point L1773-2(lines 1773 1782) the Hoare annotation is: (let ((.cse8 (= 4 ~a15~0)) (.cse5 (or (= |old(~a16~0)| 12) (not (= 12 ~a16~0)))) (.cse7 (<= ~a12~0 5)) (.cse0 (<= 7 ~a12~0)) (.cse1 (not (= ~a16~0 10))) (.cse2 (not (= ~a16~0 9))) (.cse4 (<= ~a12~0 6)) (.cse6 (<= 6 ~a12~0)) (.cse9 (< 0 (+ ~a18~0 79))) (.cse3 (<= ~a15~0 3))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= 11 |old(~a16~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (not (= 3 |old(~a15~0)|)) (and .cse4 (and .cse2 .cse5 .cse3) .cse6) (and .cse1 .cse7 .cse3) (and .cse8 .cse4 (and .cse2 .cse5)) (and .cse1 .cse8 .cse5 .cse6) (and .cse3 .cse7 (<= 7 ~a18~0)) (not (= 5 |old(~a12~0)|)) (and .cse8 (and .cse5 .cse7) (or (= ~a12~0 |old(~a12~0)|) (<= ~a18~0 134))) (and .cse0 .cse1 .cse3 .cse9) (and .cse1 (= 7 ~a12~0) .cse3) (and (and (and .cse2 .cse3) .cse4 .cse6) .cse9) (and (= 8 ~a12~0) .cse3))) [2018-12-09 01:12:54,935 INFO L448 ceAbstractionStarter]: For program point L1773-3(lines 1767 1783) no Hoare annotation was computed. [2018-12-09 01:12:54,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 01:12:54 BoogieIcfgContainer [2018-12-09 01:12:54,944 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 01:12:54,944 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 01:12:54,944 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 01:12:54,944 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 01:12:54,944 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:09:06" (3/4) ... [2018-12-09 01:12:54,947 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 01:12:54,950 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 01:12:54,951 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output2 [2018-12-09 01:12:54,951 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-09 01:12:54,951 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 01:12:54,962 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-12-09 01:12:54,963 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 01:12:54,982 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((7 <= a12 && !(a16 == 10)) && !(a16 == 9)) && a15 <= 3) || !(11 == \old(a16))) || !(\old(a18) + 87 == 0)) || !(3 == \old(a15))) || ((a12 <= 6 && (!(a16 == 9) && (\old(a16) == 12 || !(12 == a16))) && a15 <= 3) && 6 <= a12)) || ((!(a16 == 10) && a12 <= 5) && a15 <= 3)) || ((4 == a15 && a12 <= 6) && !(a16 == 9) && (\old(a16) == 12 || !(12 == a16)))) || (((!(a16 == 10) && 4 == a15) && (\old(a16) == 12 || !(12 == a16))) && 6 <= a12)) || ((a15 <= 3 && a12 <= 5) && 7 <= a18)) || !(5 == \old(a12))) || ((4 == a15 && (\old(a16) == 12 || !(12 == a16)) && a12 <= 5) && (a12 == \old(a12) || a18 <= 134))) || (((7 <= a12 && !(a16 == 10)) && a15 <= 3) && 0 < a18 + 79)) || ((!(a16 == 10) && 7 == a12) && a15 <= 3)) || ((((!(a16 == 9) && a15 <= 3) && a12 <= 6) && 6 <= a12) && 0 < a18 + 79)) || (8 == a12 && a15 <= 3) [2018-12-09 01:12:55,060 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_91fcb7f4-b559-489a-a60b-95af1ccf673f/bin-2019/utaipan/witness.graphml [2018-12-09 01:12:55,060 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 01:12:55,060 INFO L168 Benchmark]: Toolchain (without parser) took 230422.17 ms. Allocated memory was 1.0 GB in the beginning and 4.6 GB in the end (delta: 3.6 GB). Free memory was 937.9 MB in the beginning and 3.3 GB in the end (delta: -2.4 GB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-12-09 01:12:55,061 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 01:12:55,061 INFO L168 Benchmark]: CACSL2BoogieTranslator took 526.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 937.9 MB in the beginning and 1.1 GB in the end (delta: -159.9 MB). Peak memory consumption was 68.0 MB. Max. memory is 11.5 GB. [2018-12-09 01:12:55,061 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 11.5 GB. [2018-12-09 01:12:55,061 INFO L168 Benchmark]: Boogie Preprocessor took 62.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-12-09 01:12:55,061 INFO L168 Benchmark]: RCFGBuilder took 1362.55 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: -4.9 MB). Peak memory consumption was 235.1 MB. Max. memory is 11.5 GB. [2018-12-09 01:12:55,061 INFO L168 Benchmark]: TraceAbstraction took 228326.83 ms. Allocated memory was 1.2 GB in the beginning and 4.6 GB in the end (delta: 3.5 GB). Free memory was 1.1 GB in the beginning and 3.4 GB in the end (delta: -2.3 GB). Peak memory consumption was 4.6 GB. Max. memory is 11.5 GB. [2018-12-09 01:12:55,061 INFO L168 Benchmark]: Witness Printer took 115.85 ms. Allocated memory is still 4.6 GB. Free memory was 3.4 GB in the beginning and 3.3 GB in the end (delta: 111.2 MB). Peak memory consumption was 111.2 MB. Max. memory is 11.5 GB. [2018-12-09 01:12:55,063 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 526.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 937.9 MB in the beginning and 1.1 GB in the end (delta: -159.9 MB). Peak memory consumption was 68.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 62.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1362.55 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: -4.9 MB). Peak memory consumption was 235.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 228326.83 ms. Allocated memory was 1.2 GB in the beginning and 4.6 GB in the end (delta: 3.5 GB). Free memory was 1.1 GB in the beginning and 3.4 GB in the end (delta: -2.3 GB). Peak memory consumption was 4.6 GB. Max. memory is 11.5 GB. * Witness Printer took 115.85 ms. Allocated memory is still 4.6 GB. Free memory was 3.4 GB in the beginning and 3.3 GB in the end (delta: 111.2 MB). Peak memory consumption was 111.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 196]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1773]: Loop Invariant Derived loop invariant: ((((((((((((((((7 <= a12 && !(a16 == 10)) && !(a16 == 9)) && a15 <= 3) || !(11 == \old(a16))) || !(\old(a18) + 87 == 0)) || !(3 == \old(a15))) || ((a12 <= 6 && (!(a16 == 9) && (\old(a16) == 12 || !(12 == a16))) && a15 <= 3) && 6 <= a12)) || ((!(a16 == 10) && a12 <= 5) && a15 <= 3)) || ((4 == a15 && a12 <= 6) && !(a16 == 9) && (\old(a16) == 12 || !(12 == a16)))) || (((!(a16 == 10) && 4 == a15) && (\old(a16) == 12 || !(12 == a16))) && 6 <= a12)) || ((a15 <= 3 && a12 <= 5) && 7 <= a18)) || !(5 == \old(a12))) || ((4 == a15 && (\old(a16) == 12 || !(12 == a16)) && a12 <= 5) && (a12 == \old(a12) || a18 <= 134))) || (((7 <= a12 && !(a16 == 10)) && a15 <= 3) && 0 < a18 + 79)) || ((!(a16 == 10) && 7 == a12) && a15 <= 3)) || ((((!(a16 == 9) && a15 <= 3) && a12 <= 6) && 6 <= a12) && 0 < a18 + 79)) || (8 == a12 && a15 <= 3) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 409 locations, 1 error locations. SAFE Result, 228.2s OverallTime, 16 OverallIterations, 12 TraceHistogramMax, 174.0s AutomataDifference, 0.0s DeadEndRemovalTime, 13.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2352 SDtfs, 33832 SDslu, 2706 SDs, 0 SdLazy, 70790 SolverSat, 7909 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 146.4s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 28114 GetRequests, 27637 SyntacticMatches, 29 SemanticMatches, 448 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9212 ImplicationChecksByTransitivity, 11.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14190occurred in iteration=15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 6.0s AbstIntTime, 13 AbstIntIterations, 3 AbstIntStrong, 0.9981437655064667 AbsIntWeakeningRatio, 0.057692307692307696 AbsIntAvgWeakeningVarsNumRemoved, 16.211004273504273 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.3s AutomataMinimizationTime, 16 MinimizatonAttempts, 938 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 1895 PreInvPairs, 2339 NumberOfFragments, 2266 HoareAnnotationTreeSize, 1895 FomulaSimplifications, 121214 FormulaSimplificationTreeSizeReduction, 2.2s HoareSimplificationTime, 9 FomulaSimplificationsInter, 153807 FormulaSimplificationTreeSizeReductionInter, 10.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.4s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 16.2s InterpolantComputationTime, 29565 NumberOfCodeBlocks, 29565 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 42315 ConstructedInterpolants, 0 QuantifiedInterpolants, 188956355 SizeOfPredicates, 10 NumberOfNonLiveVariables, 16856 ConjunctsInSsa, 50 ConjunctsInUnsatCore, 36 InterpolantComputations, 7 PerfectInterpolantSequences, 118858/129002 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...