./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label56_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1e4f60e9-1080-4e12-83bf-6483a1609c80/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1e4f60e9-1080-4e12-83bf-6483a1609c80/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1e4f60e9-1080-4e12-83bf-6483a1609c80/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1e4f60e9-1080-4e12-83bf-6483a1609c80/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label56_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1e4f60e9-1080-4e12-83bf-6483a1609c80/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1e4f60e9-1080-4e12-83bf-6483a1609c80/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 653ec9aaf3783b4b37cca3e5ff87617c6477f454 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 15:00:27,044 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 15:00:27,045 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 15:00:27,052 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 15:00:27,053 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 15:00:27,053 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 15:00:27,054 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 15:00:27,055 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 15:00:27,056 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 15:00:27,057 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 15:00:27,057 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 15:00:27,058 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 15:00:27,058 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 15:00:27,059 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 15:00:27,060 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 15:00:27,060 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 15:00:27,061 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 15:00:27,062 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 15:00:27,063 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 15:00:27,064 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 15:00:27,065 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 15:00:27,066 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 15:00:27,067 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 15:00:27,068 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 15:00:27,068 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 15:00:27,068 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 15:00:27,069 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 15:00:27,070 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 15:00:27,070 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 15:00:27,071 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 15:00:27,071 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 15:00:27,072 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 15:00:27,072 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 15:00:27,072 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 15:00:27,072 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 15:00:27,073 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 15:00:27,073 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1e4f60e9-1080-4e12-83bf-6483a1609c80/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 15:00:27,082 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 15:00:27,083 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 15:00:27,083 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 15:00:27,083 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 15:00:27,083 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 15:00:27,084 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 15:00:27,084 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 15:00:27,084 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 15:00:27,084 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 15:00:27,084 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 15:00:27,084 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 15:00:27,084 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 15:00:27,084 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 15:00:27,085 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 15:00:27,085 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 15:00:27,085 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 15:00:27,085 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 15:00:27,086 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 15:00:27,086 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 15:00:27,086 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 15:00:27,086 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 15:00:27,086 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 15:00:27,086 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 15:00:27,086 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 15:00:27,086 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 15:00:27,087 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 15:00:27,087 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 15:00:27,087 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 15:00:27,087 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 15:00:27,087 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 15:00:27,087 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 15:00:27,087 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 15:00:27,087 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 15:00:27,088 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 15:00:27,088 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 15:00:27,088 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 15:00:27,088 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 15:00:27,088 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_1e4f60e9-1080-4e12-83bf-6483a1609c80/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 -> 653ec9aaf3783b4b37cca3e5ff87617c6477f454 [2018-11-23 15:00:27,109 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 15:00:27,119 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 15:00:27,120 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 15:00:27,121 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 15:00:27,122 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 15:00:27,122 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1e4f60e9-1080-4e12-83bf-6483a1609c80/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem03_label56_true-unreach-call.c [2018-11-23 15:00:27,158 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1e4f60e9-1080-4e12-83bf-6483a1609c80/bin-2019/utaipan/data/84a9b56f7/5b9dd04505504932bd3da9fc14028236/FLAG77024ba7d [2018-11-23 15:00:27,664 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 15:00:27,665 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1e4f60e9-1080-4e12-83bf-6483a1609c80/sv-benchmarks/c/eca-rers2012/Problem03_label56_true-unreach-call.c [2018-11-23 15:00:27,674 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1e4f60e9-1080-4e12-83bf-6483a1609c80/bin-2019/utaipan/data/84a9b56f7/5b9dd04505504932bd3da9fc14028236/FLAG77024ba7d [2018-11-23 15:00:28,138 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1e4f60e9-1080-4e12-83bf-6483a1609c80/bin-2019/utaipan/data/84a9b56f7/5b9dd04505504932bd3da9fc14028236 [2018-11-23 15:00:28,141 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 15:00:28,142 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 15:00:28,143 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 15:00:28,143 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 15:00:28,145 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 15:00:28,146 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:00:28" (1/1) ... [2018-11-23 15:00:28,148 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12319702 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:00:28, skipping insertion in model container [2018-11-23 15:00:28,149 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:00:28" (1/1) ... [2018-11-23 15:00:28,157 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 15:00:28,215 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 15:00:28,636 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:00:28,640 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 15:00:28,825 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:00:28,940 INFO L195 MainTranslator]: Completed translation [2018-11-23 15:00:28,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:00:28 WrapperNode [2018-11-23 15:00:28,940 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 15:00:28,941 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 15:00:28,941 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 15:00:28,941 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 15:00:28,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:00:28" (1/1) ... [2018-11-23 15:00:28,963 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:00:28" (1/1) ... [2018-11-23 15:00:28,969 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 15:00:28,969 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 15:00:28,969 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 15:00:28,970 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 15:00:28,976 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:00:28" (1/1) ... [2018-11-23 15:00:28,976 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:00:28" (1/1) ... [2018-11-23 15:00:28,981 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:00:28" (1/1) ... [2018-11-23 15:00:28,981 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:00:28" (1/1) ... [2018-11-23 15:00:29,010 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:00:28" (1/1) ... [2018-11-23 15:00:29,018 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:00:28" (1/1) ... [2018-11-23 15:00:29,027 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:00:28" (1/1) ... [2018-11-23 15:00:29,034 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 15:00:29,034 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 15:00:29,034 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 15:00:29,034 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 15:00:29,035 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:00:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1e4f60e9-1080-4e12-83bf-6483a1609c80/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 15:00:29,073 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 15:00:29,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 15:00:29,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 15:00:29,073 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 15:00:29,073 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 15:00:29,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 15:00:29,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 15:00:29,074 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 15:00:29,074 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 15:00:30,445 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 15:00:30,445 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 15:00:30,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:00:30 BoogieIcfgContainer [2018-11-23 15:00:30,446 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 15:00:30,447 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 15:00:30,447 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 15:00:30,449 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 15:00:30,449 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:00:28" (1/3) ... [2018-11-23 15:00:30,449 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f8fbfe7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:00:30, skipping insertion in model container [2018-11-23 15:00:30,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:00:28" (2/3) ... [2018-11-23 15:00:30,450 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f8fbfe7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:00:30, skipping insertion in model container [2018-11-23 15:00:30,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:00:30" (3/3) ... [2018-11-23 15:00:30,451 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem03_label56_true-unreach-call.c [2018-11-23 15:00:30,458 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 15:00:30,463 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 15:00:30,472 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 15:00:30,494 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 15:00:30,495 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 15:00:30,495 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 15:00:30,495 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 15:00:30,495 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 15:00:30,495 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 15:00:30,495 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 15:00:30,496 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 15:00:30,512 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states. [2018-11-23 15:00:30,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-11-23 15:00:30,522 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:00:30,523 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:00:30,524 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:00:30,528 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:00:30,528 INFO L82 PathProgramCache]: Analyzing trace with hash 1923555504, now seen corresponding path program 1 times [2018-11-23 15:00:30,530 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 15:00:30,560 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:00:30,560 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:00:30,560 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:00:30,560 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 15:00:30,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:00:30,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:00:30,962 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:00:30,962 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 15:00:30,962 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 15:00:30,966 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 15:00:30,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 15:00:30,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 15:00:30,976 INFO L87 Difference]: Start difference. First operand 311 states. Second operand 3 states. [2018-11-23 15:00:31,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:00:31,723 INFO L93 Difference]: Finished difference Result 841 states and 1486 transitions. [2018-11-23 15:00:31,723 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 15:00:31,724 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 179 [2018-11-23 15:00:31,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:00:31,734 INFO L225 Difference]: With dead ends: 841 [2018-11-23 15:00:31,734 INFO L226 Difference]: Without dead ends: 528 [2018-11-23 15:00:31,738 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 [2018-11-23 15:00:31,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2018-11-23 15:00:31,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 523. [2018-11-23 15:00:31,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 523 states. [2018-11-23 15:00:31,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 863 transitions. [2018-11-23 15:00:31,794 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 863 transitions. Word has length 179 [2018-11-23 15:00:31,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:00:31,795 INFO L480 AbstractCegarLoop]: Abstraction has 523 states and 863 transitions. [2018-11-23 15:00:31,795 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 15:00:31,795 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 863 transitions. [2018-11-23 15:00:31,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-23 15:00:31,798 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:00:31,798 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:00:31,799 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:00:31,799 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:00:31,799 INFO L82 PathProgramCache]: Analyzing trace with hash 1452588996, now seen corresponding path program 1 times [2018-11-23 15:00:31,799 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 15:00:31,800 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:00:31,800 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:00:31,800 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:00:31,800 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 15:00:31,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:00:32,012 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:00:32,013 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:00:32,013 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 15:00:32,013 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 15:00:32,015 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 15:00:32,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 15:00:32,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 15:00:32,016 INFO L87 Difference]: Start difference. First operand 523 states and 863 transitions. Second operand 3 states. [2018-11-23 15:00:32,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:00:32,612 INFO L93 Difference]: Finished difference Result 1467 states and 2490 transitions. [2018-11-23 15:00:32,613 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 15:00:32,613 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 191 [2018-11-23 15:00:32,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:00:32,619 INFO L225 Difference]: With dead ends: 1467 [2018-11-23 15:00:32,619 INFO L226 Difference]: Without dead ends: 950 [2018-11-23 15:00:32,621 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 15:00:32,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 950 states. [2018-11-23 15:00:32,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 950 to 948. [2018-11-23 15:00:32,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 948 states. [2018-11-23 15:00:32,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 948 states and 1492 transitions. [2018-11-23 15:00:32,646 INFO L78 Accepts]: Start accepts. Automaton has 948 states and 1492 transitions. Word has length 191 [2018-11-23 15:00:32,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:00:32,647 INFO L480 AbstractCegarLoop]: Abstraction has 948 states and 1492 transitions. [2018-11-23 15:00:32,647 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 15:00:32,647 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 1492 transitions. [2018-11-23 15:00:32,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-11-23 15:00:32,650 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:00:32,651 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:00:32,651 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:00:32,651 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:00:32,651 INFO L82 PathProgramCache]: Analyzing trace with hash 1850089128, now seen corresponding path program 1 times [2018-11-23 15:00:32,651 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 15:00:32,652 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:00:32,652 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:00:32,652 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:00:32,652 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 15:00:32,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:00:32,830 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:00:32,830 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:00:32,831 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 15:00:32,831 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 15:00:32,831 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 15:00:32,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 15:00:32,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 15:00:32,832 INFO L87 Difference]: Start difference. First operand 948 states and 1492 transitions. Second operand 3 states. [2018-11-23 15:00:33,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:00:33,568 INFO L93 Difference]: Finished difference Result 2738 states and 4424 transitions. [2018-11-23 15:00:33,568 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 15:00:33,568 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 193 [2018-11-23 15:00:33,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:00:33,578 INFO L225 Difference]: With dead ends: 2738 [2018-11-23 15:00:33,579 INFO L226 Difference]: Without dead ends: 1796 [2018-11-23 15:00:33,583 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 15:00:33,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1796 states. [2018-11-23 15:00:33,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1796 to 1779. [2018-11-23 15:00:33,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1779 states. [2018-11-23 15:00:33,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1779 states to 1779 states and 2765 transitions. [2018-11-23 15:00:33,630 INFO L78 Accepts]: Start accepts. Automaton has 1779 states and 2765 transitions. Word has length 193 [2018-11-23 15:00:33,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:00:33,631 INFO L480 AbstractCegarLoop]: Abstraction has 1779 states and 2765 transitions. [2018-11-23 15:00:33,631 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 15:00:33,631 INFO L276 IsEmpty]: Start isEmpty. Operand 1779 states and 2765 transitions. [2018-11-23 15:00:33,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-11-23 15:00:33,637 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:00:33,637 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:00:33,638 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:00:33,638 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:00:33,638 INFO L82 PathProgramCache]: Analyzing trace with hash -991429437, now seen corresponding path program 1 times [2018-11-23 15:00:33,638 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 15:00:33,639 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:00:33,639 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:00:33,639 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:00:33,639 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 15:00:33,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:00:33,798 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:00:33,798 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:00:33,798 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 15:00:33,799 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 15:00:33,799 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 15:00:33,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 15:00:33,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 15:00:33,799 INFO L87 Difference]: Start difference. First operand 1779 states and 2765 transitions. Second operand 6 states. [2018-11-23 15:00:35,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:00:35,178 INFO L93 Difference]: Finished difference Result 5408 states and 9025 transitions. [2018-11-23 15:00:35,178 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 15:00:35,178 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 196 [2018-11-23 15:00:35,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:00:35,195 INFO L225 Difference]: With dead ends: 5408 [2018-11-23 15:00:35,195 INFO L226 Difference]: Without dead ends: 3635 [2018-11-23 15:00:35,199 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-23 15:00:35,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3635 states. [2018-11-23 15:00:35,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3635 to 3559. [2018-11-23 15:00:35,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3559 states. [2018-11-23 15:00:35,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3559 states to 3559 states and 5638 transitions. [2018-11-23 15:00:35,272 INFO L78 Accepts]: Start accepts. Automaton has 3559 states and 5638 transitions. Word has length 196 [2018-11-23 15:00:35,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:00:35,272 INFO L480 AbstractCegarLoop]: Abstraction has 3559 states and 5638 transitions. [2018-11-23 15:00:35,272 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 15:00:35,272 INFO L276 IsEmpty]: Start isEmpty. Operand 3559 states and 5638 transitions. [2018-11-23 15:00:35,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-11-23 15:00:35,278 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:00:35,279 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:00:35,279 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:00:35,279 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:00:35,279 INFO L82 PathProgramCache]: Analyzing trace with hash -1888360401, now seen corresponding path program 1 times [2018-11-23 15:00:35,279 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 15:00:35,280 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:00:35,280 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:00:35,280 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:00:35,280 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 15:00:35,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:00:35,368 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 33 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:00:35,369 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:00:35,369 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 15:00:35,369 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 209 with the following transitions: [2018-11-23 15:00:35,371 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [25], [28], [29], [33], [37], [41], [45], [48], [49], [53], [57], [61], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [901], [903], [1157], [1161], [1170], [1174], [1176], [1181], [1182], [1183], [1185], [1186] [2018-11-23 15:00:35,409 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 15:00:35,409 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 15:00:36,137 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 15:00:36,138 INFO L272 AbstractInterpreter]: Visited 180 different actions 180 times. Never merged. Never widened. Performed 4057 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4057 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 88 variables. [2018-11-23 15:00:36,158 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:00:36,158 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 15:00:36,838 INFO L227 lantSequenceWeakener]: Weakened 199 states. On average, predicates are now at 72.67% of their original sizes. [2018-11-23 15:00:36,838 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 15:00:37,008 INFO L415 sIntCurrentIteration]: We unified 207 AI predicates to 207 [2018-11-23 15:00:37,008 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 15:00:37,008 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 15:00:37,009 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [6] total 17 [2018-11-23 15:00:37,009 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 15:00:37,009 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-23 15:00:37,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-23 15:00:37,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2018-11-23 15:00:37,010 INFO L87 Difference]: Start difference. First operand 3559 states and 5638 transitions. Second operand 13 states. [2018-11-23 15:00:47,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:00:47,258 INFO L93 Difference]: Finished difference Result 7320 states and 11618 transitions. [2018-11-23 15:00:47,258 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 15:00:47,258 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 208 [2018-11-23 15:00:47,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:00:47,266 INFO L225 Difference]: With dead ends: 7320 [2018-11-23 15:00:47,266 INFO L226 Difference]: Without dead ends: 3767 [2018-11-23 15:00:47,271 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 208 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2018-11-23 15:00:47,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3767 states. [2018-11-23 15:00:47,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3767 to 3766. [2018-11-23 15:00:47,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3766 states. [2018-11-23 15:00:47,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3766 states to 3766 states and 5855 transitions. [2018-11-23 15:00:47,324 INFO L78 Accepts]: Start accepts. Automaton has 3766 states and 5855 transitions. Word has length 208 [2018-11-23 15:00:47,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:00:47,324 INFO L480 AbstractCegarLoop]: Abstraction has 3766 states and 5855 transitions. [2018-11-23 15:00:47,324 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-23 15:00:47,324 INFO L276 IsEmpty]: Start isEmpty. Operand 3766 states and 5855 transitions. [2018-11-23 15:00:47,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-11-23 15:00:47,330 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:00:47,331 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:00:47,331 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:00:47,331 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:00:47,331 INFO L82 PathProgramCache]: Analyzing trace with hash -1601110328, now seen corresponding path program 1 times [2018-11-23 15:00:47,331 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 15:00:47,332 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:00:47,332 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:00:47,332 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:00:47,332 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 15:00:47,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:00:47,504 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 47 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:00:47,505 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:00:47,505 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 15:00:47,505 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 218 with the following transitions: [2018-11-23 15:00:47,505 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [25], [29], [33], [37], [41], [45], [48], [49], [53], [57], [61], [64], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [901], [903], [1157], [1161], [1170], [1174], [1176], [1181], [1182], [1183], [1185], [1186] [2018-11-23 15:00:47,515 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 15:00:47,515 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 15:00:48,216 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 15:00:48,216 INFO L272 AbstractInterpreter]: Visited 184 different actions 360 times. Merged at 3 different actions 3 times. Never widened. Performed 8441 root evaluator evaluations with a maximum evaluation depth of 3. Performed 8441 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 88 variables. [2018-11-23 15:00:48,219 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:00:48,219 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 15:00:48,220 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:00:48,220 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1e4f60e9-1080-4e12-83bf-6483a1609c80/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 15:00:48,226 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:00:48,226 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 15:00:48,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:00:48,360 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:00:48,434 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 15:00:48,434 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 15:00:48,499 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 15:00:48,515 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-23 15:00:48,515 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 7 [2018-11-23 15:00:48,515 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 15:00:48,516 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 15:00:48,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 15:00:48,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-23 15:00:48,516 INFO L87 Difference]: Start difference. First operand 3766 states and 5855 transitions. Second operand 3 states. [2018-11-23 15:00:49,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:00:49,167 INFO L93 Difference]: Finished difference Result 10743 states and 17473 transitions. [2018-11-23 15:00:49,167 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 15:00:49,168 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 217 [2018-11-23 15:00:49,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:00:49,189 INFO L225 Difference]: With dead ends: 10743 [2018-11-23 15:00:49,189 INFO L226 Difference]: Without dead ends: 7190 [2018-11-23 15:00:49,199 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 439 GetRequests, 432 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-23 15:00:49,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7190 states. [2018-11-23 15:00:49,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7190 to 7160. [2018-11-23 15:00:49,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7160 states. [2018-11-23 15:00:49,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7160 states to 7160 states and 11348 transitions. [2018-11-23 15:00:49,316 INFO L78 Accepts]: Start accepts. Automaton has 7160 states and 11348 transitions. Word has length 217 [2018-11-23 15:00:49,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:00:49,317 INFO L480 AbstractCegarLoop]: Abstraction has 7160 states and 11348 transitions. [2018-11-23 15:00:49,317 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 15:00:49,317 INFO L276 IsEmpty]: Start isEmpty. Operand 7160 states and 11348 transitions. [2018-11-23 15:00:49,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-11-23 15:00:49,332 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:00:49,333 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:00:49,333 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:00:49,333 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:00:49,333 INFO L82 PathProgramCache]: Analyzing trace with hash -1853950170, now seen corresponding path program 1 times [2018-11-23 15:00:49,333 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 15:00:49,334 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:00:49,334 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:00:49,334 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:00:49,334 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 15:00:49,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:00:49,600 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 111 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:00:49,600 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:00:49,600 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 15:00:49,600 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 288 with the following transitions: [2018-11-23 15:00:49,601 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [24], [25], [29], [33], [37], [41], [45], [49], [53], [57], [61], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [424], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [901], [903], [1157], [1161], [1170], [1174], [1176], [1181], [1182], [1183], [1185], [1186] [2018-11-23 15:00:49,607 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 15:00:49,607 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 15:00:50,140 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 15:00:50,140 INFO L272 AbstractInterpreter]: Visited 183 different actions 360 times. Merged at 4 different actions 4 times. Never widened. Performed 8099 root evaluator evaluations with a maximum evaluation depth of 3. Performed 8099 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 88 variables. [2018-11-23 15:00:50,146 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:00:50,146 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 15:00:50,693 INFO L227 lantSequenceWeakener]: Weakened 284 states. On average, predicates are now at 72.36% of their original sizes. [2018-11-23 15:00:50,693 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 15:00:50,852 INFO L415 sIntCurrentIteration]: We unified 286 AI predicates to 286 [2018-11-23 15:00:50,852 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 15:00:50,852 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 15:00:50,852 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [8] total 25 [2018-11-23 15:00:50,852 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 15:00:50,852 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-23 15:00:50,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-23 15:00:50,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=270, Unknown=0, NotChecked=0, Total=342 [2018-11-23 15:00:50,853 INFO L87 Difference]: Start difference. First operand 7160 states and 11348 transitions. Second operand 19 states. [2018-11-23 15:01:11,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:01:11,386 INFO L93 Difference]: Finished difference Result 14319 states and 22806 transitions. [2018-11-23 15:01:11,386 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-23 15:01:11,386 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 287 [2018-11-23 15:01:11,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:01:11,402 INFO L225 Difference]: With dead ends: 14319 [2018-11-23 15:01:11,402 INFO L226 Difference]: Without dead ends: 7372 [2018-11-23 15:01:11,416 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 295 GetRequests, 269 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2018-11-23 15:01:11,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7372 states. [2018-11-23 15:01:11,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7372 to 7370. [2018-11-23 15:01:11,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7370 states. [2018-11-23 15:01:11,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7370 states to 7370 states and 11568 transitions. [2018-11-23 15:01:11,579 INFO L78 Accepts]: Start accepts. Automaton has 7370 states and 11568 transitions. Word has length 287 [2018-11-23 15:01:11,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:01:11,579 INFO L480 AbstractCegarLoop]: Abstraction has 7370 states and 11568 transitions. [2018-11-23 15:01:11,580 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-23 15:01:11,580 INFO L276 IsEmpty]: Start isEmpty. Operand 7370 states and 11568 transitions. [2018-11-23 15:01:11,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-11-23 15:01:11,604 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:01:11,604 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:01:11,605 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:01:11,605 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:01:11,605 INFO L82 PathProgramCache]: Analyzing trace with hash -184206133, now seen corresponding path program 1 times [2018-11-23 15:01:11,605 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 15:01:11,606 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:01:11,606 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:01:11,606 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:01:11,606 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 15:01:11,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:01:11,733 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 127 proven. 8 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 15:01:11,734 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:01:11,734 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 15:01:11,734 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 308 with the following transitions: [2018-11-23 15:01:11,734 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [10], [12], [13], [17], [21], [25], [29], [33], [37], [41], [45], [49], [53], [57], [61], [64], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [424], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [901], [903], [1157], [1161], [1170], [1174], [1176], [1181], [1182], [1183], [1185], [1186] [2018-11-23 15:01:11,738 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 15:01:11,738 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 15:01:12,157 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 15:01:12,158 INFO L272 AbstractInterpreter]: Visited 186 different actions 363 times. Merged at 3 different actions 3 times. Never widened. Performed 8506 root evaluator evaluations with a maximum evaluation depth of 3. Performed 8506 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 88 variables. [2018-11-23 15:01:12,166 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:01:12,166 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 15:01:12,166 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:01:12,166 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1e4f60e9-1080-4e12-83bf-6483a1609c80/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 15:01:12,183 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:01:12,183 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 15:01:12,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:01:12,305 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:01:12,340 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-11-23 15:01:12,340 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 15:01:12,393 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 124 proven. 2 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-23 15:01:12,410 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-23 15:01:12,410 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 4] total 7 [2018-11-23 15:01:12,410 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 15:01:12,411 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 15:01:12,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 15:01:12,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 15:01:12,411 INFO L87 Difference]: Start difference. First operand 7370 states and 11568 transitions. Second operand 3 states. [2018-11-23 15:01:12,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:01:12,765 INFO L93 Difference]: Finished difference Result 14314 states and 22691 transitions. [2018-11-23 15:01:12,765 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 15:01:12,766 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 307 [2018-11-23 15:01:12,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:01:12,782 INFO L225 Difference]: With dead ends: 14314 [2018-11-23 15:01:12,782 INFO L226 Difference]: Without dead ends: 7367 [2018-11-23 15:01:12,794 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 618 GetRequests, 613 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 15:01:12,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7367 states. [2018-11-23 15:01:12,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7367 to 7367. [2018-11-23 15:01:12,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7367 states. [2018-11-23 15:01:12,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7367 states to 7367 states and 11549 transitions. [2018-11-23 15:01:12,891 INFO L78 Accepts]: Start accepts. Automaton has 7367 states and 11549 transitions. Word has length 307 [2018-11-23 15:01:12,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:01:12,891 INFO L480 AbstractCegarLoop]: Abstraction has 7367 states and 11549 transitions. [2018-11-23 15:01:12,891 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 15:01:12,891 INFO L276 IsEmpty]: Start isEmpty. Operand 7367 states and 11549 transitions. [2018-11-23 15:01:12,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2018-11-23 15:01:12,907 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:01:12,907 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:01:12,908 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:01:12,908 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:01:12,908 INFO L82 PathProgramCache]: Analyzing trace with hash 1820169658, now seen corresponding path program 1 times [2018-11-23 15:01:12,908 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 15:01:12,908 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:01:12,909 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:01:12,909 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:01:12,909 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 15:01:12,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:01:13,027 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 139 proven. 14 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 15:01:13,027 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:01:13,028 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 15:01:13,028 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 312 with the following transitions: [2018-11-23 15:01:13,028 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [25], [29], [33], [36], [37], [41], [45], [49], [53], [57], [61], [64], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [424], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [901], [903], [1157], [1161], [1170], [1174], [1176], [1181], [1182], [1183], [1185], [1186] [2018-11-23 15:01:13,032 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 15:01:13,032 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 15:01:13,451 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 15:01:13,452 INFO L272 AbstractInterpreter]: Visited 185 different actions 362 times. Merged at 3 different actions 3 times. Never widened. Performed 8552 root evaluator evaluations with a maximum evaluation depth of 3. Performed 8552 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 88 variables. [2018-11-23 15:01:13,458 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:01:13,458 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 15:01:13,458 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:01:13,458 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1e4f60e9-1080-4e12-83bf-6483a1609c80/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 15:01:13,464 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:01:13,464 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 15:01:13,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:01:13,610 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:01:13,697 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 64 proven. 93 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-23 15:01:13,697 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 15:01:13,801 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 155 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-23 15:01:13,818 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 15:01:13,818 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4] total 9 [2018-11-23 15:01:13,819 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 15:01:13,819 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 15:01:13,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 15:01:13,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-11-23 15:01:13,820 INFO L87 Difference]: Start difference. First operand 7367 states and 11549 transitions. Second operand 8 states. [2018-11-23 15:01:17,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:01:17,303 INFO L93 Difference]: Finished difference Result 29740 states and 54665 transitions. [2018-11-23 15:01:17,304 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-11-23 15:01:17,304 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 311 [2018-11-23 15:01:17,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:01:17,383 INFO L225 Difference]: With dead ends: 29740 [2018-11-23 15:01:17,384 INFO L226 Difference]: Without dead ends: 22796 [2018-11-23 15:01:17,411 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 682 GetRequests, 644 SyntacticMatches, 3 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 367 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=305, Invalid=1027, Unknown=0, NotChecked=0, Total=1332 [2018-11-23 15:01:17,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22796 states. [2018-11-23 15:01:17,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22796 to 22412. [2018-11-23 15:01:17,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22412 states. [2018-11-23 15:01:17,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22412 states to 22412 states and 32242 transitions. [2018-11-23 15:01:17,905 INFO L78 Accepts]: Start accepts. Automaton has 22412 states and 32242 transitions. Word has length 311 [2018-11-23 15:01:17,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:01:17,905 INFO L480 AbstractCegarLoop]: Abstraction has 22412 states and 32242 transitions. [2018-11-23 15:01:17,906 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 15:01:17,906 INFO L276 IsEmpty]: Start isEmpty. Operand 22412 states and 32242 transitions. [2018-11-23 15:01:17,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2018-11-23 15:01:17,935 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:01:17,936 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:01:17,936 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:01:17,936 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:01:17,936 INFO L82 PathProgramCache]: Analyzing trace with hash 72483449, now seen corresponding path program 1 times [2018-11-23 15:01:17,936 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 15:01:17,937 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:01:17,937 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:01:17,937 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:01:17,937 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 15:01:17,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:01:18,073 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 193 proven. 58 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-11-23 15:01:18,073 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:01:18,073 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 15:01:18,074 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 360 with the following transitions: [2018-11-23 15:01:18,074 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [25], [29], [33], [37], [41], [45], [49], [53], [57], [61], [64], [65], [68], [73], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [139], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [424], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [901], [903], [1157], [1161], [1170], [1174], [1176], [1181], [1182], [1183], [1185], [1186] [2018-11-23 15:01:18,077 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 15:01:18,077 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 15:01:18,752 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 15:01:18,752 INFO L272 AbstractInterpreter]: Visited 186 different actions 550 times. Merged at 6 different actions 13 times. Never widened. Performed 13017 root evaluator evaluations with a maximum evaluation depth of 3. Performed 13017 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 2 different actions. Largest state had 88 variables. [2018-11-23 15:01:18,758 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:01:18,758 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 15:01:18,758 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:01:18,758 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1e4f60e9-1080-4e12-83bf-6483a1609c80/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 15:01:18,764 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:01:18,764 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 15:01:18,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:01:18,889 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:01:18,981 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 156 proven. 93 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-11-23 15:01:18,981 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 15:01:19,098 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 247 proven. 2 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-11-23 15:01:19,114 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 15:01:19,114 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4] total 9 [2018-11-23 15:01:19,114 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 15:01:19,115 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 15:01:19,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 15:01:19,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-11-23 15:01:19,116 INFO L87 Difference]: Start difference. First operand 22412 states and 32242 transitions. Second operand 8 states. [2018-11-23 15:01:22,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:01:22,278 INFO L93 Difference]: Finished difference Result 58444 states and 96882 transitions. [2018-11-23 15:01:22,278 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-11-23 15:01:22,278 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 359 [2018-11-23 15:01:22,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:01:22,391 INFO L225 Difference]: With dead ends: 58444 [2018-11-23 15:01:22,391 INFO L226 Difference]: Without dead ends: 36455 [2018-11-23 15:01:22,434 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 765 GetRequests, 734 SyntacticMatches, 3 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 194 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=205, Invalid=665, Unknown=0, NotChecked=0, Total=870 [2018-11-23 15:01:22,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36455 states. [2018-11-23 15:01:22,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36455 to 34214. [2018-11-23 15:01:22,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34214 states. [2018-11-23 15:01:22,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34214 states to 34214 states and 46444 transitions. [2018-11-23 15:01:22,998 INFO L78 Accepts]: Start accepts. Automaton has 34214 states and 46444 transitions. Word has length 359 [2018-11-23 15:01:22,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:01:22,999 INFO L480 AbstractCegarLoop]: Abstraction has 34214 states and 46444 transitions. [2018-11-23 15:01:22,999 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 15:01:22,999 INFO L276 IsEmpty]: Start isEmpty. Operand 34214 states and 46444 transitions. [2018-11-23 15:01:23,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 418 [2018-11-23 15:01:23,043 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:01:23,043 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:01:23,043 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:01:23,043 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:01:23,044 INFO L82 PathProgramCache]: Analyzing trace with hash 407897459, now seen corresponding path program 1 times [2018-11-23 15:01:23,044 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 15:01:23,044 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:01:23,044 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:01:23,044 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:01:23,045 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 15:01:23,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:01:23,311 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 254 proven. 116 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2018-11-23 15:01:23,312 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:01:23,312 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 15:01:23,312 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 418 with the following transitions: [2018-11-23 15:01:23,312 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [25], [29], [33], [37], [41], [45], [48], [49], [53], [57], [61], [64], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [174], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [240], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [424], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [901], [903], [1157], [1161], [1170], [1174], [1176], [1181], [1182], [1183], [1185], [1186] [2018-11-23 15:01:23,316 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 15:01:23,316 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 15:01:23,765 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 15:01:23,765 INFO L272 AbstractInterpreter]: Visited 187 different actions 371 times. Merged at 6 different actions 8 times. Never widened. Performed 8614 root evaluator evaluations with a maximum evaluation depth of 3. Performed 8614 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 2 fixpoints after 2 different actions. Largest state had 88 variables. [2018-11-23 15:01:23,774 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:01:23,774 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 15:01:23,774 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:01:23,774 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1e4f60e9-1080-4e12-83bf-6483a1609c80/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 15:01:23,780 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:01:23,780 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 15:01:23,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:01:23,923 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:01:23,995 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 324 proven. 2 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2018-11-23 15:01:23,995 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 15:01:24,062 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 290 proven. 17 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2018-11-23 15:01:24,078 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 15:01:24,078 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-23 15:01:24,078 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 15:01:24,079 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 15:01:24,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 15:01:24,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2018-11-23 15:01:24,079 INFO L87 Difference]: Start difference. First operand 34214 states and 46444 transitions. Second operand 9 states. [2018-11-23 15:01:25,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:01:25,751 INFO L93 Difference]: Finished difference Result 68594 states and 92570 transitions. [2018-11-23 15:01:25,752 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-23 15:01:25,752 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 417 [2018-11-23 15:01:25,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:01:25,752 INFO L225 Difference]: With dead ends: 68594 [2018-11-23 15:01:25,752 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 15:01:25,809 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 858 GetRequests, 840 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2018-11-23 15:01:25,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 15:01:25,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 15:01:25,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 15:01:25,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 15:01:25,811 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 417 [2018-11-23 15:01:25,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:01:25,811 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 15:01:25,811 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 15:01:25,811 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 15:01:25,811 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 15:01:25,815 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 15:01:26,117 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:01:26,120 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:01:26,148 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:01:26,163 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:01:26,176 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:01:26,183 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:01:26,195 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:01:26,260 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:01:26,285 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:01:26,290 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:01:26,323 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:01:26,327 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:01:26,407 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:01:26,440 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:01:26,601 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:01:26,633 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:01:26,673 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:01:26,681 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:01:26,707 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:01:26,745 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:01:26,845 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:01:26,918 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:01:26,969 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:01:27,065 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:01:27,163 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:01:27,177 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:01:27,218 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:01:27,234 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:01:27,234 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:01:27,248 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:01:27,328 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:01:27,612 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:01:27,621 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:01:27,622 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:01:27,930 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:01:28,198 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:01:28,199 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:01:28,223 WARN L180 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 983 DAG size of output: 771 [2018-11-23 15:01:28,247 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:01:28,250 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:01:28,280 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:01:28,295 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:01:28,310 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:01:28,319 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:01:28,381 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:01:28,614 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:01:28,638 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:01:28,644 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:01:28,663 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:01:28,666 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:01:28,716 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:01:28,736 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:01:28,747 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:01:28,766 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:01:28,790 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:01:28,795 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:01:28,809 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:01:28,832 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:01:28,894 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:01:28,941 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:01:28,972 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:01:29,027 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:01:29,084 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:01:29,091 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:01:29,120 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:01:29,129 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:01:29,129 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:01:29,140 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:01:29,191 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:01:29,356 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:01:29,365 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:01:29,366 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:01:29,523 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:01:29,700 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:01:29,701 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:01:29,716 WARN L180 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 977 DAG size of output: 766 [2018-11-23 15:01:29,980 WARN L180 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 129 [2018-11-23 15:01:31,338 WARN L180 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 462 DAG size of output: 167 [2018-11-23 15:01:33,784 WARN L180 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 781 DAG size of output: 113 [2018-11-23 15:01:36,181 WARN L180 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 775 DAG size of output: 113 [2018-11-23 15:01:36,183 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 15:01:36,183 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= |old(~a22~0)| ~a22~0) (= ~a27~0 |old(~a27~0)|) (= ~a5~0 |old(~a5~0)|) (= ~a6~0 |old(~a6~0)|) (<= |old(~a3~0)| ~a3~0) (<= ~a3~0 |old(~a3~0)|) (= ~a26~0 |old(~a26~0)|)) [2018-11-23 15:01:36,183 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 15:01:36,184 INFO L448 ceAbstractionStarter]: For program point L498(lines 498 511) no Hoare annotation was computed. [2018-11-23 15:01:36,184 INFO L448 ceAbstractionStarter]: For program point L498-2(lines 498 511) no Hoare annotation was computed. [2018-11-23 15:01:36,184 INFO L448 ceAbstractionStarter]: For program point L1423(lines 1423 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,184 INFO L448 ceAbstractionStarter]: For program point L366(lines 366 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,184 INFO L448 ceAbstractionStarter]: For program point L1622-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 15:01:36,184 INFO L448 ceAbstractionStarter]: For program point L1556-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 15:01:36,184 INFO L448 ceAbstractionStarter]: For program point L1490-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 15:01:36,184 INFO L448 ceAbstractionStarter]: For program point L301(lines 301 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,184 INFO L448 ceAbstractionStarter]: For program point L1226(lines 1226 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,184 INFO L448 ceAbstractionStarter]: For program point L1623(line 1623) no Hoare annotation was computed. [2018-11-23 15:01:36,184 INFO L448 ceAbstractionStarter]: For program point L566(lines 566 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,184 INFO L448 ceAbstractionStarter]: For program point L1557(line 1557) no Hoare annotation was computed. [2018-11-23 15:01:36,184 INFO L448 ceAbstractionStarter]: For program point L1491(line 1491) no Hoare annotation was computed. [2018-11-23 15:01:36,184 INFO L448 ceAbstractionStarter]: For program point L434(lines 434 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,185 INFO L448 ceAbstractionStarter]: For program point L1359(lines 1359 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,185 INFO L448 ceAbstractionStarter]: For program point L1095(lines 1095 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,185 INFO L448 ceAbstractionStarter]: For program point L633(lines 633 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,185 INFO L448 ceAbstractionStarter]: For program point L1360(lines 1360 1379) no Hoare annotation was computed. [2018-11-23 15:01:36,185 INFO L448 ceAbstractionStarter]: For program point L1360-2(lines 1360 1379) no Hoare annotation was computed. [2018-11-23 15:01:36,185 INFO L448 ceAbstractionStarter]: For program point L1162(lines 1162 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,185 INFO L448 ceAbstractionStarter]: For program point L105(lines 105 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,185 INFO L448 ceAbstractionStarter]: For program point L1625-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 15:01:36,185 INFO L448 ceAbstractionStarter]: For program point L1559-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 15:01:36,185 INFO L448 ceAbstractionStarter]: For program point L1493-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 15:01:36,185 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,185 INFO L448 ceAbstractionStarter]: For program point L172(lines 172 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,185 INFO L448 ceAbstractionStarter]: For program point L1031(lines 1031 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,185 INFO L448 ceAbstractionStarter]: For program point L899(lines 899 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,185 INFO L448 ceAbstractionStarter]: For program point L701(lines 701 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,185 INFO L448 ceAbstractionStarter]: For program point L1626(line 1626) no Hoare annotation was computed. [2018-11-23 15:01:36,185 INFO L448 ceAbstractionStarter]: For program point L1560(line 1560) no Hoare annotation was computed. [2018-11-23 15:01:36,186 INFO L448 ceAbstractionStarter]: For program point L1494(line 1494) no Hoare annotation was computed. [2018-11-23 15:01:36,186 INFO L448 ceAbstractionStarter]: For program point L966(lines 966 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,186 INFO L448 ceAbstractionStarter]: For program point L769(lines 769 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,186 INFO L448 ceAbstractionStarter]: For program point L1628-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 15:01:36,186 INFO L448 ceAbstractionStarter]: For program point L1562-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 15:01:36,186 INFO L448 ceAbstractionStarter]: For program point L1496-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 15:01:36,186 INFO L448 ceAbstractionStarter]: For program point L836(lines 836 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,186 INFO L448 ceAbstractionStarter]: For program point L1629(line 1629) no Hoare annotation was computed. [2018-11-23 15:01:36,186 INFO L448 ceAbstractionStarter]: For program point L1563(line 1563) no Hoare annotation was computed. [2018-11-23 15:01:36,186 INFO L448 ceAbstractionStarter]: For program point L1497(line 1497) no Hoare annotation was computed. [2018-11-23 15:01:36,186 INFO L448 ceAbstractionStarter]: For program point L441(lines 441 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,186 INFO L448 ceAbstractionStarter]: For program point L1432(lines 1432 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,186 INFO L448 ceAbstractionStarter]: For program point L574(lines 574 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,186 INFO L448 ceAbstractionStarter]: For program point L1631-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 15:01:36,186 INFO L448 ceAbstractionStarter]: For program point L1565-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 15:01:36,186 INFO L448 ceAbstractionStarter]: For program point L1499-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 15:01:36,187 INFO L448 ceAbstractionStarter]: For program point L1632(line 1632) no Hoare annotation was computed. [2018-11-23 15:01:36,187 INFO L448 ceAbstractionStarter]: For program point L1566(line 1566) no Hoare annotation was computed. [2018-11-23 15:01:36,187 INFO L448 ceAbstractionStarter]: For program point L1500(line 1500) no Hoare annotation was computed. [2018-11-23 15:01:36,187 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,187 INFO L448 ceAbstractionStarter]: For program point L1104(lines 1104 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,187 INFO L448 ceAbstractionStarter]: For program point L1038(lines 1038 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,187 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 395) no Hoare annotation was computed. [2018-11-23 15:01:36,187 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,187 INFO L448 ceAbstractionStarter]: For program point L378-2(lines 378 395) no Hoare annotation was computed. [2018-11-23 15:01:36,187 INFO L448 ceAbstractionStarter]: For program point L1237(lines 1237 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,187 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,187 INFO L448 ceAbstractionStarter]: For program point L1039(lines 1039 1059) no Hoare annotation was computed. [2018-11-23 15:01:36,187 INFO L448 ceAbstractionStarter]: For program point L1039-2(lines 1039 1059) no Hoare annotation was computed. [2018-11-23 15:01:36,188 INFO L448 ceAbstractionStarter]: For program point L907(lines 907 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,188 INFO L448 ceAbstractionStarter]: For program point L709(lines 709 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,188 INFO L448 ceAbstractionStarter]: For program point L643(lines 643 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,188 INFO L448 ceAbstractionStarter]: For program point L1634-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 15:01:36,188 INFO L448 ceAbstractionStarter]: For program point L1568-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 15:01:36,188 INFO L448 ceAbstractionStarter]: For program point L1502-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 15:01:36,188 INFO L448 ceAbstractionStarter]: For program point L181(lines 181 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,188 INFO L448 ceAbstractionStarter]: For program point L710(lines 710 731) no Hoare annotation was computed. [2018-11-23 15:01:36,188 INFO L448 ceAbstractionStarter]: For program point L710-2(lines 710 731) no Hoare annotation was computed. [2018-11-23 15:01:36,188 INFO L448 ceAbstractionStarter]: For program point L1635(line 1635) no Hoare annotation was computed. [2018-11-23 15:01:36,188 INFO L448 ceAbstractionStarter]: For program point L1569(line 1569) no Hoare annotation was computed. [2018-11-23 15:01:36,189 INFO L448 ceAbstractionStarter]: For program point L1503(line 1503) no Hoare annotation was computed. [2018-11-23 15:01:36,189 INFO L448 ceAbstractionStarter]: For program point L1305(lines 1305 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,189 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,189 INFO L448 ceAbstractionStarter]: For program point L1173(lines 1173 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,189 INFO L448 ceAbstractionStarter]: For program point L975(lines 975 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,189 INFO L448 ceAbstractionStarter]: For program point L777(lines 777 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,189 INFO L448 ceAbstractionStarter]: For program point L513(lines 513 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,189 INFO L448 ceAbstractionStarter]: For program point L844(lines 844 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,189 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 54 1650) no Hoare annotation was computed. [2018-11-23 15:01:36,189 INFO L448 ceAbstractionStarter]: For program point L1637-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 15:01:36,189 INFO L448 ceAbstractionStarter]: For program point L1571-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 15:01:36,189 INFO L448 ceAbstractionStarter]: For program point L1505-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 15:01:36,189 INFO L448 ceAbstractionStarter]: For program point L1638(line 1638) no Hoare annotation was computed. [2018-11-23 15:01:36,189 INFO L448 ceAbstractionStarter]: For program point L1572(line 1572) no Hoare annotation was computed. [2018-11-23 15:01:36,189 INFO L448 ceAbstractionStarter]: For program point L1506(line 1506) no Hoare annotation was computed. [2018-11-23 15:01:36,189 INFO L448 ceAbstractionStarter]: For program point L450(lines 450 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,189 INFO L448 ceAbstractionStarter]: For program point L583(lines 583 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,190 INFO L448 ceAbstractionStarter]: For program point L1640-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 15:01:36,190 INFO L448 ceAbstractionStarter]: For program point L1574-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 15:01:36,190 INFO L448 ceAbstractionStarter]: For program point L1508-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 15:01:36,190 INFO L448 ceAbstractionStarter]: For program point L1442(lines 1442 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,190 INFO L448 ceAbstractionStarter]: For program point L319(lines 319 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,190 INFO L448 ceAbstractionStarter]: For program point L1112(lines 1112 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,190 INFO L448 ceAbstractionStarter]: For program point L55(lines 55 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,190 INFO L448 ceAbstractionStarter]: For program point L1641(line 1641) no Hoare annotation was computed. [2018-11-23 15:01:36,190 INFO L448 ceAbstractionStarter]: For program point L1575(line 1575) no Hoare annotation was computed. [2018-11-23 15:01:36,190 INFO L448 ceAbstractionStarter]: For program point L1509(line 1509) no Hoare annotation was computed. [2018-11-23 15:01:36,190 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 71) no Hoare annotation was computed. [2018-11-23 15:01:36,190 INFO L448 ceAbstractionStarter]: For program point L56-2(lines 56 71) no Hoare annotation was computed. [2018-11-23 15:01:36,190 INFO L448 ceAbstractionStarter]: For program point L784(lines 784 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,190 INFO L448 ceAbstractionStarter]: For program point L1643-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 15:01:36,190 INFO L448 ceAbstractionStarter]: For program point L1577-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 15:01:36,190 INFO L448 ceAbstractionStarter]: For program point L1511-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 15:01:36,190 INFO L448 ceAbstractionStarter]: For program point L1313(lines 1313 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,191 INFO L448 ceAbstractionStarter]: For program point L983(lines 983 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,191 INFO L448 ceAbstractionStarter]: For program point L917(lines 917 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,191 INFO L448 ceAbstractionStarter]: For program point L653(lines 653 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,191 INFO L448 ceAbstractionStarter]: For program point L1644(line 1644) no Hoare annotation was computed. [2018-11-23 15:01:36,191 INFO L448 ceAbstractionStarter]: For program point L1578(line 1578) no Hoare annotation was computed. [2018-11-23 15:01:36,191 INFO L448 ceAbstractionStarter]: For program point L1512(line 1512) no Hoare annotation was computed. [2018-11-23 15:01:36,191 INFO L448 ceAbstractionStarter]: For program point L257(lines 257 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,191 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,191 INFO L448 ceAbstractionStarter]: For program point L1182(lines 1182 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,191 INFO L448 ceAbstractionStarter]: For program point L918(lines 918 935) no Hoare annotation was computed. [2018-11-23 15:01:36,191 INFO L448 ceAbstractionStarter]: For program point L918-2(lines 918 935) no Hoare annotation was computed. [2018-11-23 15:01:36,191 INFO L448 ceAbstractionStarter]: For program point L522(lines 522 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,192 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 54 1650) the Hoare annotation is: (let ((.cse28 (= 1 ~a12~0)) (.cse9 (= 1 |old(~a12~0)|)) (.cse30 (= ~a12~0 |old(~a12~0)|)) (.cse25 (= |old(~a22~0)| ~a22~0)) (.cse29 (= ~a27~0 |old(~a27~0)|)) (.cse26 (= ~a5~0 |old(~a5~0)|)) (.cse22 (= ~a6~0 |old(~a6~0)|)) (.cse27 (<= |old(~a3~0)| ~a3~0)) (.cse23 (<= ~a3~0 |old(~a3~0)|)) (.cse24 (= ~a26~0 |old(~a26~0)|))) (let ((.cse6 (not (= 1 |old(~a6~0)|))) (.cse21 (not (= 1 |old(~a27~0)|))) (.cse8 (< 0 |old(~a27~0)|)) (.cse1 (and .cse30 .cse25 .cse29 .cse26 .cse22 .cse27 .cse23 .cse24)) (.cse10 (and .cse30 .cse22 .cse23 .cse24 .cse25 .cse29 .cse26 .cse27)) (.cse3 (not .cse9)) (.cse4 (and .cse22 .cse23 .cse24 .cse25 .cse29 .cse26 .cse27 .cse28)) (.cse0 (not (= 1 |old(~a5~0)|))) (.cse7 (not (= 1 |old(~a26~0)|))) (.cse2 (not (= 1 ~a18~0))) (.cse5 (< 0 |old(~a3~0)|))) (and (or .cse0 .cse1 .cse2 (< |old(~a3~0)| 2)) (or .cse3 .cse0 .cse2 .cse4 .cse5 .cse6) (or .cse3 .cse0 .cse7 .cse8 .cse2 .cse4) (or .cse1 .cse0 .cse7 .cse2 .cse9) (or .cse10 .cse0 .cse2 .cse9 .cse6) (or .cse3 .cse0 .cse8 .cse2 .cse6 .cse4) (or (let ((.cse11 (not (= 1 |old(~a10~0)|))) (.cse12 (not (= 1 |old(~a22~0)|))) (.cse13 (not (= 0 |old(~a11~0)|))) (.cse14 (not (= 1 |old(~a16~0)|))) (.cse15 (not (= 0 |old(~a26~0)|))) (.cse16 (not (= 1 |old(~a1~0)|))) (.cse17 (not (= 0 |old(~a2~0)|))) (.cse18 (not (= 0 |old(~a12~0)|))) (.cse19 (not (= 0 |old(~a25~0)|))) (.cse20 (not (= 0 |old(~a7~0)|)))) (and (or .cse11 .cse12 .cse13 .cse14 .cse2 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21) (or .cse11 (not (= 0 |old(~a27~0)|)) .cse12 .cse13 .cse14 .cse2 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20))) (and (= ~a4~0 1) (= ~a16~0 1) (= ~a15~0 1) (= ~a0~0 1) (= ~a11~0 0) (= ~a17~0 0) (= ~a20~0 0) (= ~a25~0 0) (= ~a23~0 0) (= ~a1~0 1) (= ~a29~0 1) (= ~a14~0 0) (= ~a19~0 0) (= ~a8~0 0) (= ~a7~0 0) (= ~a10~0 1) (= ~a2~0 0)) (not (= 0 |old(~a6~0)|)) (not (= 1 |old(~a15~0)|)) (not (= 0 |old(~a20~0)|)) (not (= 0 |old(~a23~0)|)) (not (= 1 |old(~a0~0)|)) (not (= 0 |old(~a19~0)|)) (not (= 1 |old(~a29~0)|)) (= |calculate_output_#in~input| 0) (not (= 0 |old(~a8~0)|)) (not (= 0 |old(~a14~0)|)) (not (= 1 |old(~a3~0)|)) (not (= 0 |old(~a17~0)|)) .cse0 (not (= 1 |old(~a4~0)|))) (or .cse3 (and .cse22 .cse23 .cse24 .cse25 .cse26 (= 1 ~a27~0) .cse27 .cse28) .cse0 .cse7 .cse2 .cse21) (or .cse3 .cse0 .cse8 .cse2 .cse4 .cse5) (or .cse0 .cse2 .cse9 .cse1 .cse5) (or .cse0 .cse2 .cse10 .cse9 (= |old(~a6~0)| |old(~a22~0)|)) (or .cse3 .cse4 .cse0 .cse7 .cse2 .cse5)))) [2018-11-23 15:01:36,192 INFO L448 ceAbstractionStarter]: For program point L1381(lines 1381 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,192 INFO L448 ceAbstractionStarter]: For program point L1249(lines 1249 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,192 INFO L448 ceAbstractionStarter]: For program point L192(lines 192 211) no Hoare annotation was computed. [2018-11-23 15:01:36,192 INFO L448 ceAbstractionStarter]: For program point L126(lines 126 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,192 INFO L448 ceAbstractionStarter]: For program point L192-2(lines 192 211) no Hoare annotation was computed. [2018-11-23 15:01:36,192 INFO L448 ceAbstractionStarter]: For program point L853(lines 853 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,192 INFO L448 ceAbstractionStarter]: For program point L1646-1(lines 1646 1648) no Hoare annotation was computed. [2018-11-23 15:01:36,192 INFO L448 ceAbstractionStarter]: For program point L1580-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 15:01:36,192 INFO L448 ceAbstractionStarter]: For program point L1514-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 15:01:36,192 INFO L448 ceAbstractionStarter]: For program point L1382(lines 1382 1400) no Hoare annotation was computed. [2018-11-23 15:01:36,192 INFO L448 ceAbstractionStarter]: For program point L1382-2(lines 1382 1400) no Hoare annotation was computed. [2018-11-23 15:01:36,193 INFO L448 ceAbstractionStarter]: For program point L1250(lines 1250 1272) no Hoare annotation was computed. [2018-11-23 15:01:36,193 INFO L448 ceAbstractionStarter]: For program point L1250-2(lines 1250 1272) no Hoare annotation was computed. [2018-11-23 15:01:36,193 INFO L448 ceAbstractionStarter]: For program point L1647(line 1647) no Hoare annotation was computed. [2018-11-23 15:01:36,193 INFO L448 ceAbstractionStarter]: For program point L1581(line 1581) no Hoare annotation was computed. [2018-11-23 15:01:36,193 INFO L448 ceAbstractionStarter]: For program point L1515(line 1515) no Hoare annotation was computed. [2018-11-23 15:01:36,193 INFO L448 ceAbstractionStarter]: For program point L458(lines 458 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,193 INFO L448 ceAbstractionStarter]: For program point L1120(lines 1120 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,193 INFO L448 ceAbstractionStarter]: For program point L658(lines 658 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,193 INFO L448 ceAbstractionStarter]: For program point L592(lines 592 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,193 INFO L448 ceAbstractionStarter]: For program point L1583-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 15:01:36,193 INFO L448 ceAbstractionStarter]: For program point L1517-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 15:01:36,193 INFO L448 ceAbstractionStarter]: For program point L1584(line 1584) no Hoare annotation was computed. [2018-11-23 15:01:36,193 INFO L448 ceAbstractionStarter]: For program point L1518(line 1518) no Hoare annotation was computed. [2018-11-23 15:01:36,193 INFO L448 ceAbstractionStarter]: For program point L1452(lines 1452 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,193 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,193 INFO L448 ceAbstractionStarter]: For program point L1321(lines 1321 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,193 INFO L448 ceAbstractionStarter]: For program point L529(lines 529 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,194 INFO L448 ceAbstractionStarter]: For program point L1586-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 15:01:36,194 INFO L448 ceAbstractionStarter]: For program point L1520-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 15:01:36,194 INFO L448 ceAbstractionStarter]: For program point L397(lines 397 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,194 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,194 INFO L448 ceAbstractionStarter]: For program point L1190(lines 1190 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,194 INFO L448 ceAbstractionStarter]: For program point L1587(line 1587) no Hoare annotation was computed. [2018-11-23 15:01:36,194 INFO L448 ceAbstractionStarter]: For program point L1521(line 1521) no Hoare annotation was computed. [2018-11-23 15:01:36,194 INFO L448 ceAbstractionStarter]: For program point L795(lines 795 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,194 INFO L448 ceAbstractionStarter]: For program point L135(lines 135 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,194 INFO L448 ceAbstractionStarter]: For program point L994(lines 994 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,194 INFO L448 ceAbstractionStarter]: For program point L1589-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 15:01:36,194 INFO L448 ceAbstractionStarter]: For program point L1523-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 15:01:36,194 INFO L448 ceAbstractionStarter]: For program point L1127(lines 1127 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,194 INFO L448 ceAbstractionStarter]: For program point L1061(lines 1061 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,194 INFO L448 ceAbstractionStarter]: For program point L863(lines 863 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,194 INFO L448 ceAbstractionStarter]: For program point L665(lines 665 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,194 INFO L448 ceAbstractionStarter]: For program point L1590(line 1590) no Hoare annotation was computed. [2018-11-23 15:01:36,195 INFO L448 ceAbstractionStarter]: For program point L1524(line 1524) no Hoare annotation was computed. [2018-11-23 15:01:36,195 INFO L448 ceAbstractionStarter]: For program point L467(lines 467 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,195 INFO L448 ceAbstractionStarter]: For program point L1326(lines 1326 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,195 INFO L448 ceAbstractionStarter]: For program point L468(lines 468 478) no Hoare annotation was computed. [2018-11-23 15:01:36,195 INFO L448 ceAbstractionStarter]: For program point L468-2(lines 468 478) no Hoare annotation was computed. [2018-11-23 15:01:36,195 INFO L448 ceAbstractionStarter]: For program point L733(lines 733 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,195 INFO L448 ceAbstractionStarter]: For program point L1592-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 15:01:36,195 INFO L448 ceAbstractionStarter]: For program point L1526-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 15:01:36,195 INFO L448 ceAbstractionStarter]: For program point L1460(lines 1460 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,195 INFO L448 ceAbstractionStarter]: For program point L73(lines 73 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,195 INFO L448 ceAbstractionStarter]: For program point L1593(line 1593) no Hoare annotation was computed. [2018-11-23 15:01:36,195 INFO L448 ceAbstractionStarter]: For program point L1527(line 1527) no Hoare annotation was computed. [2018-11-23 15:01:36,195 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1554) no Hoare annotation was computed. [2018-11-23 15:01:36,195 INFO L448 ceAbstractionStarter]: For program point L603(lines 603 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,195 INFO L448 ceAbstractionStarter]: For program point L405(lines 405 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,196 INFO L448 ceAbstractionStarter]: For program point L339(lines 339 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,196 INFO L448 ceAbstractionStarter]: For program point L1132(lines 1132 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,196 INFO L448 ceAbstractionStarter]: For program point L1066(lines 1066 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,196 INFO L448 ceAbstractionStarter]: For program point L868(lines 868 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,196 INFO L448 ceAbstractionStarter]: For program point L1595-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 15:01:36,196 INFO L448 ceAbstractionStarter]: For program point L1529-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 15:01:36,196 INFO L448 ceAbstractionStarter]: For program point L869(lines 869 887) no Hoare annotation was computed. [2018-11-23 15:01:36,196 INFO L448 ceAbstractionStarter]: For program point L869-2(lines 869 887) no Hoare annotation was computed. [2018-11-23 15:01:36,196 INFO L448 ceAbstractionStarter]: For program point L1596(line 1596) no Hoare annotation was computed. [2018-11-23 15:01:36,196 INFO L448 ceAbstractionStarter]: For program point L539(lines 539 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,196 INFO L448 ceAbstractionStarter]: For program point L1530(line 1530) no Hoare annotation was computed. [2018-11-23 15:01:36,196 INFO L448 ceAbstractionStarter]: For program point L1200(lines 1200 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,196 INFO L448 ceAbstractionStarter]: For program point L804(lines 804 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,196 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,196 INFO L448 ceAbstractionStarter]: For program point L1003(lines 1003 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,196 INFO L448 ceAbstractionStarter]: For program point L937(lines 937 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,196 INFO L448 ceAbstractionStarter]: For program point L1598-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 15:01:36,197 INFO L448 ceAbstractionStarter]: For program point L1532-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 15:01:36,197 INFO L448 ceAbstractionStarter]: For program point L1466(lines 1466 1468) no Hoare annotation was computed. [2018-11-23 15:01:36,197 INFO L448 ceAbstractionStarter]: For program point L1466-2(lines 54 1650) no Hoare annotation was computed. [2018-11-23 15:01:36,197 INFO L448 ceAbstractionStarter]: For program point L1599(line 1599) no Hoare annotation was computed. [2018-11-23 15:01:36,197 INFO L448 ceAbstractionStarter]: For program point L1533(line 1533) no Hoare annotation was computed. [2018-11-23 15:01:36,197 INFO L448 ceAbstractionStarter]: For program point L1467(line 1467) no Hoare annotation was computed. [2018-11-23 15:01:36,197 INFO L448 ceAbstractionStarter]: For program point L146(lines 146 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,197 INFO L448 ceAbstractionStarter]: For program point L675(lines 675 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,197 INFO L448 ceAbstractionStarter]: For program point L1402(lines 1402 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,197 INFO L448 ceAbstractionStarter]: For program point L1336(lines 1336 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,197 INFO L448 ceAbstractionStarter]: For program point L213(lines 213 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,197 INFO L448 ceAbstractionStarter]: For program point L1601-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 15:01:36,197 INFO L448 ceAbstractionStarter]: For program point L1535-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 15:01:36,197 INFO L448 ceAbstractionStarter]: For program point L1469-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 15:01:36,197 INFO L448 ceAbstractionStarter]: For program point L1403(lines 1403 1421) no Hoare annotation was computed. [2018-11-23 15:01:36,197 INFO L448 ceAbstractionStarter]: For program point L1403-2(lines 1403 1421) no Hoare annotation was computed. [2018-11-23 15:01:36,197 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,198 INFO L448 ceAbstractionStarter]: For program point L743(lines 743 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,198 INFO L448 ceAbstractionStarter]: For program point L1602(line 1602) no Hoare annotation was computed. [2018-11-23 15:01:36,198 INFO L448 ceAbstractionStarter]: For program point L1536(line 1536) no Hoare annotation was computed. [2018-11-23 15:01:36,198 INFO L448 ceAbstractionStarter]: For program point L1470(line 1470) no Hoare annotation was computed. [2018-11-23 15:01:36,198 INFO L448 ceAbstractionStarter]: For program point L1074(lines 1074 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,198 INFO L448 ceAbstractionStarter]: For program point L546(lines 546 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,198 INFO L448 ceAbstractionStarter]: For program point L480(lines 480 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,198 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,198 INFO L448 ceAbstractionStarter]: For program point L348(lines 348 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,198 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 54 1650) no Hoare annotation was computed. [2018-11-23 15:01:36,198 INFO L448 ceAbstractionStarter]: For program point L1604-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 15:01:36,198 INFO L448 ceAbstractionStarter]: For program point L1538-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 15:01:36,198 INFO L448 ceAbstractionStarter]: For program point L1472-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 15:01:36,198 INFO L448 ceAbstractionStarter]: For program point L1274(lines 1274 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,198 INFO L448 ceAbstractionStarter]: For program point L1142(lines 1142 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,198 INFO L448 ceAbstractionStarter]: For program point L614(lines 614 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,198 INFO L448 ceAbstractionStarter]: For program point L1605(line 1605) no Hoare annotation was computed. [2018-11-23 15:01:36,199 INFO L448 ceAbstractionStarter]: For program point L1539(line 1539) no Hoare annotation was computed. [2018-11-23 15:01:36,199 INFO L448 ceAbstractionStarter]: For program point L1473(line 1473) no Hoare annotation was computed. [2018-11-23 15:01:36,199 INFO L448 ceAbstractionStarter]: For program point L284(lines 284 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,199 INFO L448 ceAbstractionStarter]: For program point L1011(lines 1011 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,199 INFO L448 ceAbstractionStarter]: For program point L813(lines 813 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,199 INFO L448 ceAbstractionStarter]: For program point L1210(lines 1210 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,199 INFO L448 ceAbstractionStarter]: For program point L1607-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 15:01:36,199 INFO L448 ceAbstractionStarter]: For program point L1541-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 15:01:36,199 INFO L448 ceAbstractionStarter]: For program point L1475-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 15:01:36,199 INFO L448 ceAbstractionStarter]: For program point L1211(lines 1211 1224) no Hoare annotation was computed. [2018-11-23 15:01:36,199 INFO L448 ceAbstractionStarter]: For program point L1211-2(lines 1211 1224) no Hoare annotation was computed. [2018-11-23 15:01:36,199 INFO L448 ceAbstractionStarter]: For program point L947(lines 947 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,199 INFO L448 ceAbstractionStarter]: For program point L1608(line 1608) no Hoare annotation was computed. [2018-11-23 15:01:36,199 INFO L448 ceAbstractionStarter]: For program point L1542(line 1542) no Hoare annotation was computed. [2018-11-23 15:01:36,199 INFO L448 ceAbstractionStarter]: For program point L1476(line 1476) no Hoare annotation was computed. [2018-11-23 15:01:36,199 INFO L448 ceAbstractionStarter]: For program point L1344(lines 1344 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,199 INFO L448 ceAbstractionStarter]: For program point L155(lines 155 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,200 INFO L448 ceAbstractionStarter]: For program point L89(lines 89 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,200 INFO L448 ceAbstractionStarter]: For program point L684(lines 684 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,200 INFO L448 ceAbstractionStarter]: For program point L222(lines 222 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,200 INFO L448 ceAbstractionStarter]: For program point L685(lines 685 699) no Hoare annotation was computed. [2018-11-23 15:01:36,200 INFO L448 ceAbstractionStarter]: For program point L685-2(lines 685 699) no Hoare annotation was computed. [2018-11-23 15:01:36,200 INFO L448 ceAbstractionStarter]: For program point L1610-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 15:01:36,200 INFO L448 ceAbstractionStarter]: For program point L1544-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 15:01:36,200 INFO L448 ceAbstractionStarter]: For program point L1478-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 15:01:36,200 INFO L448 ceAbstractionStarter]: For program point L1611(line 1611) no Hoare annotation was computed. [2018-11-23 15:01:36,200 INFO L448 ceAbstractionStarter]: For program point L1545(line 1545) no Hoare annotation was computed. [2018-11-23 15:01:36,200 INFO L448 ceAbstractionStarter]: For program point L488(lines 488 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,200 INFO L448 ceAbstractionStarter]: For program point L1479(line 1479) no Hoare annotation was computed. [2018-11-23 15:01:36,200 INFO L448 ceAbstractionStarter]: For program point L422(lines 422 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,200 INFO L448 ceAbstractionStarter]: For program point L356(lines 356 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,201 INFO L448 ceAbstractionStarter]: For program point L753(lines 753 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,201 INFO L448 ceAbstractionStarter]: For program point L622(lines 622 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,201 INFO L448 ceAbstractionStarter]: For program point L556(lines 556 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,201 INFO L448 ceAbstractionStarter]: For program point L1613-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 15:01:36,201 INFO L448 ceAbstractionStarter]: For program point L1547-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 15:01:36,201 INFO L448 ceAbstractionStarter]: For program point L1481-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 15:01:36,201 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,201 INFO L448 ceAbstractionStarter]: For program point L1283(lines 1283 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,201 INFO L448 ceAbstractionStarter]: For program point L1614(line 1614) no Hoare annotation was computed. [2018-11-23 15:01:36,201 INFO L448 ceAbstractionStarter]: For program point L1548(line 1548) no Hoare annotation was computed. [2018-11-23 15:01:36,201 INFO L448 ceAbstractionStarter]: For program point L1482(line 1482) no Hoare annotation was computed. [2018-11-23 15:01:36,201 INFO L448 ceAbstractionStarter]: For program point L1350(lines 1350 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,201 INFO L448 ceAbstractionStarter]: For program point L1284(lines 1284 1303) no Hoare annotation was computed. [2018-11-23 15:01:36,201 INFO L448 ceAbstractionStarter]: For program point L1284-2(lines 1284 1303) no Hoare annotation was computed. [2018-11-23 15:01:36,201 INFO L448 ceAbstractionStarter]: For program point L1152(lines 1152 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,201 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,202 INFO L448 ceAbstractionStarter]: For program point L1086(lines 1086 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,202 INFO L448 ceAbstractionStarter]: For program point L1021(lines 1021 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,202 INFO L448 ceAbstractionStarter]: For program point L955(lines 955 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,202 INFO L448 ceAbstractionStarter]: For program point L889(lines 889 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,202 INFO L448 ceAbstractionStarter]: For program point L1616-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 15:01:36,202 INFO L448 ceAbstractionStarter]: For program point L1550-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 15:01:36,202 INFO L448 ceAbstractionStarter]: For program point L1484-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 15:01:36,202 INFO L448 ceAbstractionStarter]: For program point L1617(line 1617) no Hoare annotation was computed. [2018-11-23 15:01:36,202 INFO L448 ceAbstractionStarter]: For program point L1551(line 1551) no Hoare annotation was computed. [2018-11-23 15:01:36,202 INFO L448 ceAbstractionStarter]: For program point L1485(line 1485) no Hoare annotation was computed. [2018-11-23 15:01:36,202 INFO L448 ceAbstractionStarter]: For program point L164(lines 164 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,202 INFO L448 ceAbstractionStarter]: For program point L825(lines 825 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,202 INFO L448 ceAbstractionStarter]: For program point L1619-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 15:01:36,202 INFO L448 ceAbstractionStarter]: For program point L1553-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 15:01:36,202 INFO L448 ceAbstractionStarter]: For program point L1487-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 15:01:36,202 INFO L448 ceAbstractionStarter]: For program point L761(lines 761 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,202 INFO L448 ceAbstractionStarter]: For program point L1620(line 1620) no Hoare annotation was computed. [2018-11-23 15:01:36,203 INFO L448 ceAbstractionStarter]: For program point L1554(line 1554) no Hoare annotation was computed. [2018-11-23 15:01:36,203 INFO L448 ceAbstractionStarter]: For program point L497(lines 497 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,203 INFO L448 ceAbstractionStarter]: For program point L1488(line 1488) no Hoare annotation was computed. [2018-11-23 15:01:36,203 INFO L448 ceAbstractionStarter]: For program point L233(lines 233 1465) no Hoare annotation was computed. [2018-11-23 15:01:36,203 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 15:01:36,203 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a12~0 0) (= ~a4~0 1) (= ~a16~0 1) (= ~a15~0 1) (= ~a0~0 1) (= ~a26~0 0) (= ~a11~0 0) (= ~a17~0 0) (= ~a20~0 0) (= ~a25~0 0) (= ~a27~0 1) (= ~a23~0 0) (= ~a22~0 1) (= ~a1~0 1) (= ~a29~0 1) (= ~a6~0 0) (= ~a14~0 0) (= ~a3~0 1) (= ~a19~0 0) (= ~a18~0 1) (= ~a8~0 0) (= ~a5~0 1) (= ~a7~0 0) (= ~a10~0 1) (= ~a2~0 0)) [2018-11-23 15:01:36,203 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 15:01:36,203 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 15:01:36,203 INFO L448 ceAbstractionStarter]: For program point L1666-1(line 1666) no Hoare annotation was computed. [2018-11-23 15:01:36,203 INFO L448 ceAbstractionStarter]: For program point L1663(line 1663) no Hoare annotation was computed. [2018-11-23 15:01:36,204 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 1652 1669) the Hoare annotation is: (or (and (= ~a12~0 0) (= ~a4~0 1) (= ~a16~0 1) (= ~a15~0 1) (= ~a0~0 1) (= ~a26~0 0) (= ~a11~0 0) (= ~a17~0 0) (= ~a20~0 0) (= ~a25~0 0) (= ~a27~0 1) (= ~a23~0 0) (= ~a22~0 1) (= ~a1~0 1) (= ~a29~0 1) (= ~a14~0 0) (= ~a19~0 0) (= ~a8~0 0) (= ~a6~0 |old(~a6~0)|) (= ~a5~0 1) (<= ~a3~0 |old(~a3~0)|) (= ~a7~0 0) (= ~a10~0 1) (= ~a2~0 0) (<= |old(~a3~0)| ~a3~0)) (or (not (= 1 |old(~a10~0)|)) (not (= 1 |old(~a22~0)|)) (not (= 0 |old(~a11~0)|)) (not (= 1 |old(~a16~0)|)) (not (= 1 ~a18~0)) (not (= 0 |old(~a26~0)|)) (not (= 1 |old(~a1~0)|)) (not (= 0 |old(~a2~0)|)) (not (= 0 |old(~a12~0)|)) (not (= 0 |old(~a25~0)|)) (not (= 0 |old(~a7~0)|))) (not (= 0 |old(~a6~0)|)) (not (= 1 |old(~a15~0)|)) (not (= 0 |old(~a20~0)|)) (not (= 0 |old(~a23~0)|)) (not (= 1 |old(~a0~0)|)) (not (= 0 |old(~a19~0)|)) (not (= 1 |old(~a29~0)|)) (not (= 1 |old(~a27~0)|)) (not (= 0 |old(~a8~0)|)) (not (= 0 |old(~a14~0)|)) (not (= 1 |old(~a3~0)|)) (not (= 0 |old(~a17~0)|)) (not (= 1 |old(~a5~0)|)) (not (= 1 |old(~a4~0)|))) [2018-11-23 15:01:36,204 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 1652 1669) no Hoare annotation was computed. [2018-11-23 15:01:36,204 INFO L444 ceAbstractionStarter]: At program point L1658-2(lines 1658 1668) the Hoare annotation is: (let ((.cse3 (<= ~a3~0 0)) (.cse4 (= 1 ~a26~0)) (.cse2 (<= ~a27~0 0)) (.cse1 (= ~a5~0 |old(~a5~0)|)) (.cse0 (= 1 ~a6~0)) (.cse5 (not (= ~a12~0 1)))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse1 .cse4) (not (= 1 |old(~a27~0)|)) (and .cse1 (<= 2 ~a3~0)) (and .cse3 .cse1 .cse2) (and .cse3 .cse0 .cse1) (and (and .cse5 (not (= ~a22~0 ~a6~0))) .cse1) (or (not (= 1 |old(~a10~0)|)) (not (= 1 |old(~a22~0)|)) (not (= 0 |old(~a11~0)|)) (not (= 1 |old(~a16~0)|)) (not (= 1 ~a18~0)) (not (= 0 |old(~a26~0)|)) (not (= 1 |old(~a1~0)|)) (not (= 0 |old(~a12~0)|)) (not (= 0 |old(~a25~0)|)) (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a15~0)|)) (not (= 0 |old(~a20~0)|)) (not (= 0 |old(~a23~0)|)) (not (= 1 |old(~a0~0)|)) (not (= 1 |old(~a29~0)|)) (not (= 0 |old(~a8~0)|)) (not (= 0 |old(~a17~0)|)) (not (= 1 |old(~a4~0)|))) (not (= 0 |old(~a19~0)|)) (and .cse1 (= 1 ~a27~0) .cse4) (and .cse1 (and .cse5 .cse4)) (not (= 0 |old(~a6~0)|)) (not (= 0 |old(~a14~0)|)) (not (= 1 |old(~a3~0)|)) (not (= 1 |old(~a5~0)|)) (and .cse1 (and .cse3 .cse5)) (not (= 0 |old(~a2~0)|)) (and .cse1 .cse4 .cse2) (and .cse1 (and .cse0 .cse5)))) [2018-11-23 15:01:36,204 INFO L448 ceAbstractionStarter]: For program point L1658-3(lines 1652 1669) no Hoare annotation was computed. [2018-11-23 15:01:36,204 INFO L444 ceAbstractionStarter]: At program point L1666(line 1666) the Hoare annotation is: (let ((.cse3 (<= ~a3~0 0)) (.cse4 (= 1 ~a26~0)) (.cse2 (<= ~a27~0 0)) (.cse1 (= ~a5~0 |old(~a5~0)|)) (.cse0 (= 1 ~a6~0)) (.cse5 (not (= ~a12~0 1)))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse1 .cse4) (not (= 1 |old(~a27~0)|)) (and .cse1 (<= 2 ~a3~0)) (and .cse3 .cse1 .cse2) (and .cse3 .cse0 .cse1) (and (and .cse5 (not (= ~a22~0 ~a6~0))) .cse1) (or (not (= 1 |old(~a10~0)|)) (not (= 1 |old(~a22~0)|)) (not (= 0 |old(~a11~0)|)) (not (= 1 |old(~a16~0)|)) (not (= 1 ~a18~0)) (not (= 0 |old(~a26~0)|)) (not (= 1 |old(~a1~0)|)) (not (= 0 |old(~a12~0)|)) (not (= 0 |old(~a25~0)|)) (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a15~0)|)) (not (= 0 |old(~a20~0)|)) (not (= 0 |old(~a23~0)|)) (not (= 1 |old(~a0~0)|)) (not (= 1 |old(~a29~0)|)) (not (= 0 |old(~a8~0)|)) (not (= 0 |old(~a17~0)|)) (not (= 1 |old(~a4~0)|))) (not (= 0 |old(~a19~0)|)) (and .cse1 (= 1 ~a27~0) .cse4) (and .cse1 (and .cse5 .cse4)) (not (= 0 |old(~a6~0)|)) (not (= 0 |old(~a14~0)|)) (not (= 1 |old(~a3~0)|)) (not (= 1 |old(~a5~0)|)) (and .cse1 (and .cse3 .cse5)) (not (= 0 |old(~a2~0)|)) (and .cse1 .cse4 .cse2) (and .cse1 (and .cse0 .cse5)))) [2018-11-23 15:01:36,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:01:36 BoogieIcfgContainer [2018-11-23 15:01:36,216 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 15:01:36,216 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 15:01:36,216 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 15:01:36,216 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 15:01:36,217 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:00:30" (3/4) ... [2018-11-23 15:01:36,219 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 15:01:36,224 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 15:01:36,224 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 15:01:36,225 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 15:01:36,240 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 15:01:36,243 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 15:01:36,266 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((1 == a6 && a5 == \old(a5)) && a27 <= 0) || ((a3 <= 0 && a5 == \old(a5)) && 1 == a26)) || !(1 == \old(a27))) || (a5 == \old(a5) && 2 <= a3)) || ((a3 <= 0 && a5 == \old(a5)) && a27 <= 0)) || ((a3 <= 0 && 1 == a6) && a5 == \old(a5))) || ((!(a12 == 1) && !(a22 == a6)) && a5 == \old(a5))) || ((((((((((((((((!(1 == \old(a10)) || !(1 == \old(a22))) || !(0 == \old(a11))) || !(1 == \old(a16))) || !(1 == a18)) || !(0 == \old(a26))) || !(1 == \old(a1))) || !(0 == \old(a12))) || !(0 == \old(a25))) || !(0 == \old(a7))) || !(1 == \old(a15))) || !(0 == \old(a20))) || !(0 == \old(a23))) || !(1 == \old(a0))) || !(1 == \old(a29))) || !(0 == \old(a8))) || !(0 == \old(a17))) || !(1 == \old(a4))) || !(0 == \old(a19))) || ((a5 == \old(a5) && 1 == a27) && 1 == a26)) || (a5 == \old(a5) && !(a12 == 1) && 1 == a26)) || !(0 == \old(a6))) || !(0 == \old(a14))) || !(1 == \old(a3))) || !(1 == \old(a5))) || (a5 == \old(a5) && a3 <= 0 && !(a12 == 1))) || !(0 == \old(a2))) || ((a5 == \old(a5) && 1 == a26) && a27 <= 0)) || (a5 == \old(a5) && 1 == a6 && !(a12 == 1)) [2018-11-23 15:01:36,385 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1e4f60e9-1080-4e12-83bf-6483a1609c80/bin-2019/utaipan/witness.graphml [2018-11-23 15:01:36,385 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 15:01:36,386 INFO L168 Benchmark]: Toolchain (without parser) took 68243.73 ms. Allocated memory was 1.0 GB in the beginning and 4.9 GB in the end (delta: 3.8 GB). Free memory was 953.8 MB in the beginning and 4.0 GB in the end (delta: -3.1 GB). Peak memory consumption was 753.8 MB. Max. memory is 11.5 GB. [2018-11-23 15:01:36,386 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 15:01:36,386 INFO L168 Benchmark]: CACSL2BoogieTranslator took 797.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 218.6 MB). Free memory was 953.8 MB in the beginning and 1.2 GB in the end (delta: -253.5 MB). Peak memory consumption was 120.2 MB. Max. memory is 11.5 GB. [2018-11-23 15:01:36,387 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 11.5 GB. [2018-11-23 15:01:36,387 INFO L168 Benchmark]: Boogie Preprocessor took 64.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 11.5 GB. [2018-11-23 15:01:36,387 INFO L168 Benchmark]: RCFGBuilder took 1412.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 945.2 MB in the end (delta: 248.9 MB). Peak memory consumption was 248.9 MB. Max. memory is 11.5 GB. [2018-11-23 15:01:36,387 INFO L168 Benchmark]: TraceAbstraction took 65769.15 ms. Allocated memory was 1.2 GB in the beginning and 4.9 GB in the end (delta: 3.6 GB). Free memory was 945.2 MB in the beginning and 4.1 GB in the end (delta: -3.2 GB). Peak memory consumption was 4.1 GB. Max. memory is 11.5 GB. [2018-11-23 15:01:36,388 INFO L168 Benchmark]: Witness Printer took 168.80 ms. Allocated memory is still 4.9 GB. Free memory was 4.1 GB in the beginning and 4.0 GB in the end (delta: 72.8 MB). Peak memory consumption was 72.8 MB. Max. memory is 11.5 GB. [2018-11-23 15:01:36,389 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 797.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 218.6 MB). Free memory was 953.8 MB in the beginning and 1.2 GB in the end (delta: -253.5 MB). Peak memory consumption was 120.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 64.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1412.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 945.2 MB in the end (delta: 248.9 MB). Peak memory consumption was 248.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 65769.15 ms. Allocated memory was 1.2 GB in the beginning and 4.9 GB in the end (delta: 3.6 GB). Free memory was 945.2 MB in the beginning and 4.1 GB in the end (delta: -3.2 GB). Peak memory consumption was 4.1 GB. Max. memory is 11.5 GB. * Witness Printer took 168.80 ms. Allocated memory is still 4.9 GB. Free memory was 4.1 GB in the beginning and 4.0 GB in the end (delta: 72.8 MB). Peak memory consumption was 72.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1554]: 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: 1658]: Loop Invariant Derived loop invariant: (((((((((((((((((((1 == a6 && a5 == \old(a5)) && a27 <= 0) || ((a3 <= 0 && a5 == \old(a5)) && 1 == a26)) || !(1 == \old(a27))) || (a5 == \old(a5) && 2 <= a3)) || ((a3 <= 0 && a5 == \old(a5)) && a27 <= 0)) || ((a3 <= 0 && 1 == a6) && a5 == \old(a5))) || ((!(a12 == 1) && !(a22 == a6)) && a5 == \old(a5))) || ((((((((((((((((!(1 == \old(a10)) || !(1 == \old(a22))) || !(0 == \old(a11))) || !(1 == \old(a16))) || !(1 == a18)) || !(0 == \old(a26))) || !(1 == \old(a1))) || !(0 == \old(a12))) || !(0 == \old(a25))) || !(0 == \old(a7))) || !(1 == \old(a15))) || !(0 == \old(a20))) || !(0 == \old(a23))) || !(1 == \old(a0))) || !(1 == \old(a29))) || !(0 == \old(a8))) || !(0 == \old(a17))) || !(1 == \old(a4))) || !(0 == \old(a19))) || ((a5 == \old(a5) && 1 == a27) && 1 == a26)) || (a5 == \old(a5) && !(a12 == 1) && 1 == a26)) || !(0 == \old(a6))) || !(0 == \old(a14))) || !(1 == \old(a3))) || !(1 == \old(a5))) || (a5 == \old(a5) && a3 <= 0 && !(a12 == 1))) || !(0 == \old(a2))) || ((a5 == \old(a5) && 1 == a26) && a27 <= 0)) || (a5 == \old(a5) && 1 == a6 && !(a12 == 1)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 311 locations, 1 error locations. SAFE Result, 65.7s OverallTime, 11 OverallIterations, 6 TraceHistogramMax, 44.0s AutomataDifference, 0.0s DeadEndRemovalTime, 10.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 3098 SDtfs, 11692 SDslu, 3595 SDs, 0 SdLazy, 21872 SolverSat, 4477 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 27.1s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 3888 GetRequests, 3737 SyntacticMatches, 12 SemanticMatches, 139 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 768 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34214occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 4.0s AbstIntTime, 7 AbstIntIterations, 2 AbstIntStrong, 0.9991896317220438 AbsIntWeakeningRatio, 0.24746450304259635 AbsIntAvgWeakeningVarsNumRemoved, 59.302231237322516 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.6s AutomataMinimizationTime, 11 MinimizatonAttempts, 2758 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 563 PreInvPairs, 905 NumberOfFragments, 1401 HoareAnnotationTreeSize, 563 FomulaSimplifications, 62768 FormulaSimplificationTreeSizeReduction, 3.8s HoareSimplificationTime, 7 FomulaSimplificationsInter, 58608 FormulaSimplificationTreeSizeReductionInter, 6.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 4476 NumberOfCodeBlocks, 4476 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 6066 ConstructedInterpolants, 0 QuantifiedInterpolants, 4407556 SizeOfPredicates, 6 NumberOfNonLiveVariables, 6743 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 21 InterpolantComputations, 7 PerfectInterpolantSequences, 3333/3746 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...