./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label34_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_59c02de5-5f19-4e2c-b105-afeed0af8807/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_59c02de5-5f19-4e2c-b105-afeed0af8807/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_59c02de5-5f19-4e2c-b105-afeed0af8807/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_59c02de5-5f19-4e2c-b105-afeed0af8807/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label34_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_59c02de5-5f19-4e2c-b105-afeed0af8807/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_59c02de5-5f19-4e2c-b105-afeed0af8807/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 f01979d5da4d022026be8efd02bfc41090b6cbce ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 10:16:11,267 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 10:16:11,268 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 10:16:11,274 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 10:16:11,274 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 10:16:11,274 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 10:16:11,275 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 10:16:11,276 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 10:16:11,277 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 10:16:11,277 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 10:16:11,278 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 10:16:11,278 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 10:16:11,278 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 10:16:11,279 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 10:16:11,279 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 10:16:11,280 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 10:16:11,280 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 10:16:11,281 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 10:16:11,282 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 10:16:11,282 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 10:16:11,283 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 10:16:11,283 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 10:16:11,285 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 10:16:11,285 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 10:16:11,285 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 10:16:11,285 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 10:16:11,286 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 10:16:11,286 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 10:16:11,287 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 10:16:11,287 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 10:16:11,287 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 10:16:11,288 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 10:16:11,288 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 10:16:11,288 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 10:16:11,288 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 10:16:11,289 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 10:16:11,289 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_59c02de5-5f19-4e2c-b105-afeed0af8807/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 10:16:11,296 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 10:16:11,297 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 10:16:11,297 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 10:16:11,297 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 10:16:11,297 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 10:16:11,297 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 10:16:11,297 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 10:16:11,297 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 10:16:11,298 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 10:16:11,298 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 10:16:11,298 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 10:16:11,298 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 10:16:11,298 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 10:16:11,298 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 10:16:11,298 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 10:16:11,298 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 10:16:11,298 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 10:16:11,299 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 10:16:11,299 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 10:16:11,299 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 10:16:11,299 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 10:16:11,299 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 10:16:11,299 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 10:16:11,299 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 10:16:11,299 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 10:16:11,299 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 10:16:11,299 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 10:16:11,299 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 10:16:11,300 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 10:16:11,300 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 10:16:11,300 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 10:16:11,300 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 10:16:11,300 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 10:16:11,300 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 10:16:11,300 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 10:16:11,300 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 10:16:11,300 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_59c02de5-5f19-4e2c-b105-afeed0af8807/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 -> f01979d5da4d022026be8efd02bfc41090b6cbce [2018-12-09 10:16:11,318 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 10:16:11,326 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 10:16:11,328 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 10:16:11,330 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 10:16:11,330 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 10:16:11,330 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_59c02de5-5f19-4e2c-b105-afeed0af8807/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem01_label34_true-unreach-call_false-termination.c [2018-12-09 10:16:11,369 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_59c02de5-5f19-4e2c-b105-afeed0af8807/bin-2019/utaipan/data/b9dc287de/6977bb11c22c4fc0b477cb153599a457/FLAGfe3c05043 [2018-12-09 10:16:11,867 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 10:16:11,867 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_59c02de5-5f19-4e2c-b105-afeed0af8807/sv-benchmarks/c/eca-rers2012/Problem01_label34_true-unreach-call_false-termination.c [2018-12-09 10:16:11,876 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_59c02de5-5f19-4e2c-b105-afeed0af8807/bin-2019/utaipan/data/b9dc287de/6977bb11c22c4fc0b477cb153599a457/FLAGfe3c05043 [2018-12-09 10:16:12,352 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_59c02de5-5f19-4e2c-b105-afeed0af8807/bin-2019/utaipan/data/b9dc287de/6977bb11c22c4fc0b477cb153599a457 [2018-12-09 10:16:12,354 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 10:16:12,355 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 10:16:12,356 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 10:16:12,356 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 10:16:12,358 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 10:16:12,359 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:16:12" (1/1) ... [2018-12-09 10:16:12,360 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@672351b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:16:12, skipping insertion in model container [2018-12-09 10:16:12,361 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:16:12" (1/1) ... [2018-12-09 10:16:12,366 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 10:16:12,391 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 10:16:12,565 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 10:16:12,568 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 10:16:12,655 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 10:16:12,665 INFO L195 MainTranslator]: Completed translation [2018-12-09 10:16:12,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:16:12 WrapperNode [2018-12-09 10:16:12,665 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 10:16:12,666 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 10:16:12,666 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 10:16:12,666 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 10:16:12,671 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:16:12" (1/1) ... [2018-12-09 10:16:12,680 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:16:12" (1/1) ... [2018-12-09 10:16:12,685 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 10:16:12,685 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 10:16:12,685 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 10:16:12,685 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 10:16:12,691 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:16:12" (1/1) ... [2018-12-09 10:16:12,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:16:12" (1/1) ... [2018-12-09 10:16:12,693 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:16:12" (1/1) ... [2018-12-09 10:16:12,694 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:16:12" (1/1) ... [2018-12-09 10:16:12,710 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:16:12" (1/1) ... [2018-12-09 10:16:12,716 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:16:12" (1/1) ... [2018-12-09 10:16:12,719 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:16:12" (1/1) ... [2018-12-09 10:16:12,722 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 10:16:12,722 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 10:16:12,722 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 10:16:12,722 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 10:16:12,723 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:16:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_59c02de5-5f19-4e2c-b105-afeed0af8807/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 10:16:12,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 10:16:12,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 10:16:12,755 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-09 10:16:12,755 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-09 10:16:12,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 10:16:12,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 10:16:12,756 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 10:16:12,756 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 10:16:13,343 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 10:16:13,343 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-09 10:16:13,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:16:13 BoogieIcfgContainer [2018-12-09 10:16:13,343 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 10:16:13,344 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 10:16:13,344 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 10:16:13,345 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 10:16:13,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 10:16:12" (1/3) ... [2018-12-09 10:16:13,346 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e400d4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 10:16:13, skipping insertion in model container [2018-12-09 10:16:13,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:16:12" (2/3) ... [2018-12-09 10:16:13,346 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e400d4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 10:16:13, skipping insertion in model container [2018-12-09 10:16:13,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:16:13" (3/3) ... [2018-12-09 10:16:13,347 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label34_true-unreach-call_false-termination.c [2018-12-09 10:16:13,354 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 10:16:13,359 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 10:16:13,369 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 10:16:13,389 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 10:16:13,389 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 10:16:13,389 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 10:16:13,389 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 10:16:13,389 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 10:16:13,389 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 10:16:13,389 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 10:16:13,389 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 10:16:13,403 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2018-12-09 10:16:13,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-09 10:16:13,409 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:16:13,409 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] [2018-12-09 10:16:13,411 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:16:13,414 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:16:13,415 INFO L82 PathProgramCache]: Analyzing trace with hash -2059241649, now seen corresponding path program 1 times [2018-12-09 10:16:13,416 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:16:13,445 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:16:13,445 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:16:13,445 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:16:13,446 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:16:13,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:16:13,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:16:13,651 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:16:13,652 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 10:16:13,652 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:16:13,656 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 10:16:13,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 10:16:13,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 10:16:13,669 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2018-12-09 10:16:14,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:16:14,128 INFO L93 Difference]: Finished difference Result 547 states and 938 transitions. [2018-12-09 10:16:14,128 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 10:16:14,129 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 111 [2018-12-09 10:16:14,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:16:14,138 INFO L225 Difference]: With dead ends: 547 [2018-12-09 10:16:14,138 INFO L226 Difference]: Without dead ends: 278 [2018-12-09 10:16:14,142 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 10:16:14,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2018-12-09 10:16:14,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2018-12-09 10:16:14,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2018-12-09 10:16:14,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 406 transitions. [2018-12-09 10:16:14,180 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 406 transitions. Word has length 111 [2018-12-09 10:16:14,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:16:14,180 INFO L480 AbstractCegarLoop]: Abstraction has 278 states and 406 transitions. [2018-12-09 10:16:14,180 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 10:16:14,181 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 406 transitions. [2018-12-09 10:16:14,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-12-09 10:16:14,183 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:16:14,183 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-09 10:16:14,184 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:16:14,184 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:16:14,184 INFO L82 PathProgramCache]: Analyzing trace with hash 1121004690, now seen corresponding path program 1 times [2018-12-09 10:16:14,184 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:16:14,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:16:14,185 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:16:14,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:16:14,185 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:16:14,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:16:14,266 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:16:14,266 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:16:14,266 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 10:16:14,266 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:16:14,268 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 10:16:14,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 10:16:14,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 10:16:14,268 INFO L87 Difference]: Start difference. First operand 278 states and 406 transitions. Second operand 5 states. [2018-12-09 10:16:14,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:16:14,671 INFO L93 Difference]: Finished difference Result 840 states and 1253 transitions. [2018-12-09 10:16:14,672 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 10:16:14,672 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 120 [2018-12-09 10:16:14,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:16:14,675 INFO L225 Difference]: With dead ends: 840 [2018-12-09 10:16:14,675 INFO L226 Difference]: Without dead ends: 568 [2018-12-09 10:16:14,676 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-09 10:16:14,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 568 states. [2018-12-09 10:16:14,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 568 to 558. [2018-12-09 10:16:14,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 558 states. [2018-12-09 10:16:14,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 788 transitions. [2018-12-09 10:16:14,699 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 788 transitions. Word has length 120 [2018-12-09 10:16:14,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:16:14,699 INFO L480 AbstractCegarLoop]: Abstraction has 558 states and 788 transitions. [2018-12-09 10:16:14,699 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 10:16:14,699 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 788 transitions. [2018-12-09 10:16:14,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-09 10:16:14,701 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:16:14,701 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:16:14,701 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:16:14,701 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:16:14,701 INFO L82 PathProgramCache]: Analyzing trace with hash 476978283, now seen corresponding path program 1 times [2018-12-09 10:16:14,701 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:16:14,702 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:16:14,702 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:16:14,702 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:16:14,702 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:16:14,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:16:14,751 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:16:14,752 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 10:16:14,752 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 10:16:14,752 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 132 with the following transitions: [2018-12-09 10:16:14,754 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [533], [535], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-09 10:16:14,787 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 10:16:14,787 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 10:16:15,164 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 10:16:15,165 INFO L272 AbstractInterpreter]: Visited 115 different actions 223 times. Merged at 3 different actions 3 times. Never widened. Performed 3136 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3136 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-12-09 10:16:15,170 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:16:15,170 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 10:16:15,355 INFO L227 lantSequenceWeakener]: Weakened 128 states. On average, predicates are now at 81.81% of their original sizes. [2018-12-09 10:16:15,355 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 10:16:15,409 INFO L418 sIntCurrentIteration]: We unified 130 AI predicates to 130 [2018-12-09 10:16:15,410 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 10:16:15,410 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 10:16:15,410 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-09 10:16:15,410 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:16:15,411 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 10:16:15,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 10:16:15,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 10:16:15,411 INFO L87 Difference]: Start difference. First operand 558 states and 788 transitions. Second operand 10 states. [2018-12-09 10:16:17,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:16:17,963 INFO L93 Difference]: Finished difference Result 1901 states and 2752 transitions. [2018-12-09 10:16:17,964 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-09 10:16:17,964 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 131 [2018-12-09 10:16:17,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:16:17,969 INFO L225 Difference]: With dead ends: 1901 [2018-12-09 10:16:17,969 INFO L226 Difference]: Without dead ends: 1349 [2018-12-09 10:16:17,970 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 140 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-12-09 10:16:17,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1349 states. [2018-12-09 10:16:17,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1349 to 697. [2018-12-09 10:16:17,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 697 states. [2018-12-09 10:16:17,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 697 states and 939 transitions. [2018-12-09 10:16:17,994 INFO L78 Accepts]: Start accepts. Automaton has 697 states and 939 transitions. Word has length 131 [2018-12-09 10:16:17,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:16:17,994 INFO L480 AbstractCegarLoop]: Abstraction has 697 states and 939 transitions. [2018-12-09 10:16:17,994 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 10:16:17,995 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 939 transitions. [2018-12-09 10:16:17,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-09 10:16:17,997 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:16:17,997 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:16:17,998 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:16:17,998 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:16:17,998 INFO L82 PathProgramCache]: Analyzing trace with hash 1954484865, now seen corresponding path program 1 times [2018-12-09 10:16:17,998 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:16:17,999 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:16:17,999 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:16:17,999 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:16:17,999 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:16:18,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:16:18,105 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 27 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:16:18,106 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 10:16:18,106 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 10:16:18,106 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 139 with the following transitions: [2018-12-09 10:16:18,106 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [533], [535], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-09 10:16:18,110 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 10:16:18,110 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 10:16:18,227 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 10:16:18,227 INFO L272 AbstractInterpreter]: Visited 115 different actions 224 times. Merged at 4 different actions 4 times. Never widened. Performed 3044 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3044 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-12-09 10:16:18,229 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:16:18,229 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 10:16:18,349 INFO L227 lantSequenceWeakener]: Weakened 135 states. On average, predicates are now at 81.8% of their original sizes. [2018-12-09 10:16:18,349 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 10:16:18,391 INFO L418 sIntCurrentIteration]: We unified 137 AI predicates to 137 [2018-12-09 10:16:18,391 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 10:16:18,392 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 10:16:18,392 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [7] total 15 [2018-12-09 10:16:18,392 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:16:18,392 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 10:16:18,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 10:16:18,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 10:16:18,392 INFO L87 Difference]: Start difference. First operand 697 states and 939 transitions. Second operand 10 states. [2018-12-09 10:16:20,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:16:20,574 INFO L93 Difference]: Finished difference Result 1662 states and 2205 transitions. [2018-12-09 10:16:20,574 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-09 10:16:20,574 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 138 [2018-12-09 10:16:20,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:16:20,576 INFO L225 Difference]: With dead ends: 1662 [2018-12-09 10:16:20,577 INFO L226 Difference]: Without dead ends: 971 [2018-12-09 10:16:20,577 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 145 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-12-09 10:16:20,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 971 states. [2018-12-09 10:16:20,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 971 to 969. [2018-12-09 10:16:20,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 969 states. [2018-12-09 10:16:20,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 969 states to 969 states and 1236 transitions. [2018-12-09 10:16:20,597 INFO L78 Accepts]: Start accepts. Automaton has 969 states and 1236 transitions. Word has length 138 [2018-12-09 10:16:20,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:16:20,598 INFO L480 AbstractCegarLoop]: Abstraction has 969 states and 1236 transitions. [2018-12-09 10:16:20,598 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 10:16:20,598 INFO L276 IsEmpty]: Start isEmpty. Operand 969 states and 1236 transitions. [2018-12-09 10:16:20,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-12-09 10:16:20,601 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:16:20,601 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 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] [2018-12-09 10:16:20,601 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:16:20,601 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:16:20,601 INFO L82 PathProgramCache]: Analyzing trace with hash 97197594, now seen corresponding path program 1 times [2018-12-09 10:16:20,602 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:16:20,602 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:16:20,602 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:16:20,603 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:16:20,603 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:16:20,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:16:20,682 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 39 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 10:16:20,682 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 10:16:20,682 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 10:16:20,683 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 150 with the following transitions: [2018-12-09 10:16:20,683 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [533], [535], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-09 10:16:20,685 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 10:16:20,686 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 10:16:20,940 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 10:16:20,941 INFO L272 AbstractInterpreter]: Visited 117 different actions 461 times. Merged at 7 different actions 26 times. Never widened. Performed 6645 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6645 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 7 fixpoints after 2 different actions. Largest state had 42 variables. [2018-12-09 10:16:20,942 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:16:20,942 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 10:16:20,942 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 10:16:20,942 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_59c02de5-5f19-4e2c-b105-afeed0af8807/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 10:16:20,949 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:16:20,949 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 10:16:21,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:16:21,010 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 10:16:21,058 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 37 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 10:16:21,058 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 10:16:21,115 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 39 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 10:16:21,131 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 10:16:21,131 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2018-12-09 10:16:21,131 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 10:16:21,132 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 10:16:21,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 10:16:21,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-12-09 10:16:21,132 INFO L87 Difference]: Start difference. First operand 969 states and 1236 transitions. Second operand 8 states. [2018-12-09 10:16:22,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:16:22,563 INFO L93 Difference]: Finished difference Result 2933 states and 3963 transitions. [2018-12-09 10:16:22,564 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-12-09 10:16:22,564 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 149 [2018-12-09 10:16:22,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:16:22,568 INFO L225 Difference]: With dead ends: 2933 [2018-12-09 10:16:22,569 INFO L226 Difference]: Without dead ends: 1819 [2018-12-09 10:16:22,571 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 339 GetRequests, 311 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 165 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=193, Invalid=677, Unknown=0, NotChecked=0, Total=870 [2018-12-09 10:16:22,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1819 states. [2018-12-09 10:16:22,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1819 to 1527. [2018-12-09 10:16:22,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1527 states. [2018-12-09 10:16:22,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1527 states to 1527 states and 1774 transitions. [2018-12-09 10:16:22,600 INFO L78 Accepts]: Start accepts. Automaton has 1527 states and 1774 transitions. Word has length 149 [2018-12-09 10:16:22,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:16:22,600 INFO L480 AbstractCegarLoop]: Abstraction has 1527 states and 1774 transitions. [2018-12-09 10:16:22,601 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 10:16:22,601 INFO L276 IsEmpty]: Start isEmpty. Operand 1527 states and 1774 transitions. [2018-12-09 10:16:22,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-12-09 10:16:22,603 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:16:22,603 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:16:22,603 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:16:22,604 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:16:22,604 INFO L82 PathProgramCache]: Analyzing trace with hash -1209952154, now seen corresponding path program 1 times [2018-12-09 10:16:22,604 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:16:22,604 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:16:22,604 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:16:22,604 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:16:22,605 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:16:22,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:16:22,746 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 73 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 10:16:22,746 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 10:16:22,746 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 10:16:22,747 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 177 with the following transitions: [2018-12-09 10:16:22,747 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [533], [535], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-09 10:16:22,749 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 10:16:22,749 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 10:16:22,843 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 10:16:22,843 INFO L272 AbstractInterpreter]: Visited 116 different actions 226 times. Merged at 4 different actions 4 times. Never widened. Performed 3115 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3115 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-12-09 10:16:22,845 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:16:22,845 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 10:16:22,963 INFO L227 lantSequenceWeakener]: Weakened 173 states. On average, predicates are now at 81.73% of their original sizes. [2018-12-09 10:16:22,963 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 10:16:22,995 INFO L418 sIntCurrentIteration]: We unified 175 AI predicates to 175 [2018-12-09 10:16:22,995 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 10:16:22,996 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 10:16:22,996 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-09 10:16:22,996 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:16:22,996 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 10:16:22,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 10:16:22,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 10:16:22,997 INFO L87 Difference]: Start difference. First operand 1527 states and 1774 transitions. Second operand 10 states. [2018-12-09 10:16:25,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:16:25,236 INFO L93 Difference]: Finished difference Result 3050 states and 3598 transitions. [2018-12-09 10:16:25,236 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-09 10:16:25,236 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 176 [2018-12-09 10:16:25,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:16:25,239 INFO L225 Difference]: With dead ends: 3050 [2018-12-09 10:16:25,239 INFO L226 Difference]: Without dead ends: 1801 [2018-12-09 10:16:25,240 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 184 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-12-09 10:16:25,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1801 states. [2018-12-09 10:16:25,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1801 to 1799. [2018-12-09 10:16:25,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1799 states. [2018-12-09 10:16:25,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1799 states to 1799 states and 2067 transitions. [2018-12-09 10:16:25,261 INFO L78 Accepts]: Start accepts. Automaton has 1799 states and 2067 transitions. Word has length 176 [2018-12-09 10:16:25,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:16:25,261 INFO L480 AbstractCegarLoop]: Abstraction has 1799 states and 2067 transitions. [2018-12-09 10:16:25,261 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 10:16:25,261 INFO L276 IsEmpty]: Start isEmpty. Operand 1799 states and 2067 transitions. [2018-12-09 10:16:25,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-09 10:16:25,263 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:16:25,264 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:16:25,264 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:16:25,264 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:16:25,264 INFO L82 PathProgramCache]: Analyzing trace with hash -1868461759, now seen corresponding path program 1 times [2018-12-09 10:16:25,264 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:16:25,264 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:16:25,265 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:16:25,265 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:16:25,265 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:16:25,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:16:25,327 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 70 proven. 29 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 10:16:25,327 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 10:16:25,327 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 10:16:25,327 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 185 with the following transitions: [2018-12-09 10:16:25,327 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [533], [535], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-09 10:16:25,329 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 10:16:25,329 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 10:16:25,553 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 10:16:25,553 INFO L272 AbstractInterpreter]: Visited 118 different actions 469 times. Merged at 8 different actions 30 times. Never widened. Performed 6801 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6801 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 8 fixpoints after 3 different actions. Largest state had 42 variables. [2018-12-09 10:16:25,556 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:16:25,556 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 10:16:25,556 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 10:16:25,556 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_59c02de5-5f19-4e2c-b105-afeed0af8807/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 10:16:25,562 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:16:25,562 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 10:16:25,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:16:25,608 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 10:16:25,634 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 87 proven. 2 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-09 10:16:25,634 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 10:16:25,685 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 75 proven. 22 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-09 10:16:25,700 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 10:16:25,700 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-12-09 10:16:25,700 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 10:16:25,700 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-09 10:16:25,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-09 10:16:25,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-12-09 10:16:25,701 INFO L87 Difference]: Start difference. First operand 1799 states and 2067 transitions. Second operand 11 states. [2018-12-09 10:16:26,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:16:26,837 INFO L93 Difference]: Finished difference Result 6388 states and 7733 transitions. [2018-12-09 10:16:26,838 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-09 10:16:26,838 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 184 [2018-12-09 10:16:26,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:16:26,848 INFO L225 Difference]: With dead ends: 6388 [2018-12-09 10:16:26,848 INFO L226 Difference]: Without dead ends: 5002 [2018-12-09 10:16:26,851 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 391 GetRequests, 371 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=111, Invalid=269, Unknown=0, NotChecked=0, Total=380 [2018-12-09 10:16:26,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5002 states. [2018-12-09 10:16:26,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5002 to 4861. [2018-12-09 10:16:26,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4861 states. [2018-12-09 10:16:26,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4861 states to 4861 states and 5733 transitions. [2018-12-09 10:16:26,910 INFO L78 Accepts]: Start accepts. Automaton has 4861 states and 5733 transitions. Word has length 184 [2018-12-09 10:16:26,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:16:26,910 INFO L480 AbstractCegarLoop]: Abstraction has 4861 states and 5733 transitions. [2018-12-09 10:16:26,910 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-09 10:16:26,910 INFO L276 IsEmpty]: Start isEmpty. Operand 4861 states and 5733 transitions. [2018-12-09 10:16:26,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-09 10:16:26,915 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:16:26,915 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:16:26,915 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:16:26,916 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:16:26,916 INFO L82 PathProgramCache]: Analyzing trace with hash -1041344981, now seen corresponding path program 2 times [2018-12-09 10:16:26,916 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 10:16:26,916 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:16:26,917 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:16:26,917 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:16:26,917 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 10:16:26,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:16:26,999 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 70 proven. 31 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 10:16:26,999 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 10:16:26,999 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 10:16:26,999 INFO L187 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-09 10:16:26,999 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-09 10:16:26,999 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 10:16:26,999 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_59c02de5-5f19-4e2c-b105-afeed0af8807/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 10:16:27,007 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-12-09 10:16:27,007 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-12-09 10:16:27,040 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2018-12-09 10:16:27,040 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-09 10:16:27,043 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 10:16:27,080 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-09 10:16:27,081 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 10:16:27,115 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-09 10:16:27,130 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-09 10:16:27,130 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [9] total 10 [2018-12-09 10:16:27,130 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 10:16:27,131 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 10:16:27,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 10:16:27,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-12-09 10:16:27,131 INFO L87 Difference]: Start difference. First operand 4861 states and 5733 transitions. Second operand 3 states. [2018-12-09 10:16:27,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:16:27,323 INFO L93 Difference]: Finished difference Result 7536 states and 8863 transitions. [2018-12-09 10:16:27,323 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 10:16:27,323 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 184 [2018-12-09 10:16:27,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:16:27,324 INFO L225 Difference]: With dead ends: 7536 [2018-12-09 10:16:27,324 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 10:16:27,332 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 377 GetRequests, 367 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-12-09 10:16:27,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 10:16:27,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 10:16:27,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 10:16:27,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 10:16:27,333 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 184 [2018-12-09 10:16:27,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:16:27,333 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 10:16:27,333 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 10:16:27,333 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 10:16:27,333 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 10:16:27,337 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 10:16:27,426 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:27,437 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:27,453 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:27,471 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 10:16:28,116 WARN L180 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 95 [2018-12-09 10:16:28,235 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 56 [2018-12-09 10:16:28,369 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 54 [2018-12-09 10:16:28,370 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 10:16:28,371 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= |old(~a20~0)| ~a20~0)) [2018-12-09 10:16:28,371 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 10:16:28,371 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-12-09 10:16:28,371 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-12-09 10:16:28,371 INFO L448 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:16:28,371 INFO L448 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:16:28,371 INFO L448 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:16:28,371 INFO L448 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:16:28,371 INFO L448 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:16:28,371 INFO L448 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:16:28,371 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-12-09 10:16:28,371 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-12-09 10:16:28,371 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-12-09 10:16:28,371 INFO L448 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-12-09 10:16:28,371 INFO L448 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-12-09 10:16:28,371 INFO L448 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-12-09 10:16:28,371 INFO L448 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-12-09 10:16:28,371 INFO L448 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-12-09 10:16:28,371 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-12-09 10:16:28,372 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-12-09 10:16:28,372 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:16:28,372 INFO L448 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:16:28,372 INFO L448 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:16:28,372 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:16:28,372 INFO L448 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:16:28,372 INFO L448 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:16:28,372 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-12-09 10:16:28,372 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-12-09 10:16:28,372 INFO L448 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-12-09 10:16:28,372 INFO L448 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-12-09 10:16:28,372 INFO L448 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-12-09 10:16:28,372 INFO L448 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-12-09 10:16:28,372 INFO L448 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-12-09 10:16:28,372 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-12-09 10:16:28,372 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-12-09 10:16:28,372 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-12-09 10:16:28,372 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-12-09 10:16:28,372 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-12-09 10:16:28,372 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-12-09 10:16:28,372 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-12-09 10:16:28,372 INFO L448 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-12-09 10:16:28,372 INFO L448 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:16:28,373 INFO L448 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:16:28,373 INFO L448 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:16:28,373 INFO L448 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:16:28,373 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:16:28,373 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-12-09 10:16:28,373 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-12-09 10:16:28,373 INFO L448 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-12-09 10:16:28,373 INFO L448 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-12-09 10:16:28,373 INFO L448 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-12-09 10:16:28,373 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-12-09 10:16:28,373 INFO L448 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-12-09 10:16:28,373 INFO L448 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-12-09 10:16:28,373 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-12-09 10:16:28,373 INFO L448 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:16:28,373 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:16:28,373 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:16:28,373 INFO L448 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:16:28,373 INFO L448 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:16:28,373 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-12-09 10:16:28,373 INFO L448 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-12-09 10:16:28,373 INFO L448 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-12-09 10:16:28,373 INFO L448 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-12-09 10:16:28,373 INFO L448 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-12-09 10:16:28,373 INFO L448 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-12-09 10:16:28,373 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-12-09 10:16:28,374 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-12-09 10:16:28,374 INFO L448 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-12-09 10:16:28,374 INFO L448 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-12-09 10:16:28,374 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-12-09 10:16:28,374 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-12-09 10:16:28,374 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-12-09 10:16:28,374 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:16:28,374 INFO L448 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:16:28,374 INFO L448 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:16:28,374 INFO L448 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:16:28,374 INFO L448 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:16:28,374 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-12-09 10:16:28,374 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-12-09 10:16:28,374 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-12-09 10:16:28,374 INFO L448 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-12-09 10:16:28,374 INFO L448 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-12-09 10:16:28,374 INFO L448 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-12-09 10:16:28,374 INFO L448 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-12-09 10:16:28,374 INFO L448 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-12-09 10:16:28,374 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-12-09 10:16:28,374 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:16:28,374 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:16:28,374 INFO L448 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:16:28,374 INFO L448 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:16:28,374 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:16:28,375 INFO L448 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:16:28,375 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-12-09 10:16:28,375 INFO L448 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:16:28,375 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-12-09 10:16:28,375 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-12-09 10:16:28,375 INFO L448 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-12-09 10:16:28,375 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-12-09 10:16:28,375 INFO L448 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-12-09 10:16:28,375 INFO L448 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-12-09 10:16:28,375 INFO L448 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-12-09 10:16:28,375 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-12-09 10:16:28,375 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-12-09 10:16:28,375 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-12-09 10:16:28,375 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-12-09 10:16:28,375 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-12-09 10:16:28,375 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-12-09 10:16:28,375 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:16:28,375 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:16:28,375 INFO L448 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:16:28,375 INFO L448 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:16:28,375 INFO L448 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:16:28,375 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-12-09 10:16:28,375 INFO L448 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-12-09 10:16:28,375 INFO L448 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-12-09 10:16:28,375 INFO L448 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-12-09 10:16:28,376 INFO L448 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-12-09 10:16:28,376 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-12-09 10:16:28,376 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-12-09 10:16:28,376 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-12-09 10:16:28,376 INFO L448 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:16:28,376 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:16:28,376 INFO L448 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:16:28,376 INFO L448 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:16:28,376 INFO L448 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:16:28,376 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-12-09 10:16:28,376 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-12-09 10:16:28,376 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-12-09 10:16:28,376 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-12-09 10:16:28,376 INFO L448 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-12-09 10:16:28,376 INFO L448 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-12-09 10:16:28,376 INFO L448 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-12-09 10:16:28,376 INFO L448 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-12-09 10:16:28,376 INFO L448 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-12-09 10:16:28,376 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-12-09 10:16:28,377 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse10 (not (= 1 |old(~a21~0)|))) (.cse22 (not (= 1 |old(~a20~0)|))) (.cse23 (= 0 |old(~a16~0)|)) (.cse13 (not (= 8 ~a12~0))) (.cse7 (= |calculate_output_#in~input| 0)) (.cse14 (not (= 1 |old(~a17~0)|))) (.cse24 (= ~a16~0 6))) (let ((.cse12 (not (= 5 |old(~a16~0)|))) (.cse19 (= 13 |old(~a8~0)|)) (.cse16 (= |old(~a20~0)| ~a20~0)) (.cse17 (not .cse24)) (.cse1 (= ~a7~0 |old(~a7~0)|)) (.cse15 (= 1 ~a7~0)) (.cse3 (= |old(~a8~0)| ~a8~0)) (.cse20 (not (= 1 |old(~a7~0)|))) (.cse0 (< 13 |old(~a8~0)|)) (.cse21 (< 0 |old(~a7~0)|)) (.cse6 (or .cse10 .cse22 .cse23 .cse13 .cse7 (= 0 |old(~a8~0)|) .cse14)) (.cse2 (not (= ~a16~0 0))) (.cse5 (= ~a21~0 1)) (.cse4 (= ~a17~0 1)) (.cse8 (= ~a16~0 5)) (.cse18 (= 6 |old(~a16~0)|)) (.cse9 (not (= 0 |old(~a7~0)|))) (.cse11 (not (= 15 |old(~a8~0)|)))) (and (or .cse0 (and .cse1 .cse2 .cse3 .cse4 .cse5 (= ~a20~0 1)) .cse6) (or .cse7 (and .cse4 .cse5 .cse8) (or .cse9 .cse10 .cse11 (not (= 0 |old(~a20~0)|)) .cse12 .cse13 .cse14)) (or .cse9 .cse8 .cse11 .cse12 .cse6) (or (and .cse15 .cse3 .cse16 .cse17) .cse18 .cse19 .cse20) (or .cse19 .cse21 (and .cse1 .cse3 .cse16)) (or .cse18 .cse17 .cse21) (or (and .cse16 (or (and .cse1 .cse3 .cse17) (and .cse1 .cse15 .cse3))) (and (or .cse0 .cse20) (or .cse18 .cse0))) (or (and .cse2 .cse4 .cse5) .cse21 .cse6) (or .cse18 .cse9 .cse10 .cse13 .cse7 (and .cse2 .cse5) .cse22 .cse11 .cse23) (or .cse7 (and .cse5 (or (and .cse4 .cse8) (and (= ~a17~0 0) .cse24))) (or (not .cse18) .cse9 .cse10 .cse22 .cse11 (not (= 0 |old(~a17~0)|)) .cse13))))) [2018-12-09 10:16:28,377 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-12-09 10:16:28,377 INFO L448 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:16:28,377 INFO L448 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:16:28,377 INFO L448 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:16:28,377 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:16:28,377 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-12-09 10:16:28,377 INFO L448 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:16:28,377 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:16:28,377 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-12-09 10:16:28,377 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-12-09 10:16:28,377 INFO L448 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-12-09 10:16:28,377 INFO L448 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-12-09 10:16:28,377 INFO L448 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-12-09 10:16:28,377 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-12-09 10:16:28,377 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 491) no Hoare annotation was computed. [2018-12-09 10:16:28,377 INFO L448 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-12-09 10:16:28,377 INFO L448 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-12-09 10:16:28,377 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-12-09 10:16:28,377 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-12-09 10:16:28,378 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-12-09 10:16:28,378 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-12-09 10:16:28,378 INFO L448 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:16:28,378 INFO L448 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:16:28,378 INFO L448 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:16:28,378 INFO L448 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:16:28,378 INFO L448 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:16:28,378 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-12-09 10:16:28,378 INFO L448 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:16:28,378 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-12-09 10:16:28,378 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-12-09 10:16:28,378 INFO L448 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-12-09 10:16:28,378 INFO L448 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-12-09 10:16:28,378 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-12-09 10:16:28,378 INFO L448 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-12-09 10:16:28,378 INFO L448 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-12-09 10:16:28,378 INFO L448 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-12-09 10:16:28,378 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-12-09 10:16:28,378 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-12-09 10:16:28,378 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-12-09 10:16:28,378 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-12-09 10:16:28,378 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-12-09 10:16:28,378 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-12-09 10:16:28,378 INFO L448 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:16:28,378 INFO L448 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:16:28,378 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:16:28,378 INFO L448 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:16:28,379 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:16:28,379 INFO L448 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 10:16:28,379 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-12-09 10:16:28,379 INFO L448 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-12-09 10:16:28,379 INFO L448 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-12-09 10:16:28,379 INFO L448 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-12-09 10:16:28,379 INFO L448 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-12-09 10:16:28,379 INFO L448 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-12-09 10:16:28,379 INFO L448 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-12-09 10:16:28,379 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-12-09 10:16:28,379 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-12-09 10:16:28,379 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-12-09 10:16:28,379 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 10:16:28,379 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a7~0 0) (= ~a8~0 15) (= ~a17~0 1) (= ~a12~0 8) (= ~a21~0 1) (= ~a20~0 1) (= ~a16~0 5)) [2018-12-09 10:16:28,379 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 10:16:28,379 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 10:16:28,379 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a21~0)|)) (not (= 1 |old(~a20~0)|)) (not (= 15 |old(~a8~0)|)) (not (= 5 |old(~a16~0)|)) (not (= 8 ~a12~0)) (and (= ~a17~0 1) (= ~a21~0 1) (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= ~a20~0 1) (= ~a16~0 5)) (not (= 1 |old(~a17~0)|))) [2018-12-09 10:16:28,379 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-12-09 10:16:28,379 INFO L444 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (= 1 ~a7~0)) (.cse1 (not (= ~a16~0 6))) (.cse2 (<= ~a8~0 13))) (or (and .cse0 .cse1) (not (= 1 |old(~a21~0)|)) (and (not (= ~a8~0 13)) (<= ~a7~0 0)) (not (= 8 ~a12~0)) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a17~0)|)) (or (and .cse2 .cse0) (and .cse2 .cse1)) (and .cse2 (not (= main_~input~0 0)) (not (= ~a8~0 0)) (= ~a17~0 1) (= ~a21~0 1) (= ~a20~0 1)) (not (= 15 |old(~a8~0)|)))) [2018-12-09 10:16:28,379 INFO L448 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-12-09 10:16:28,379 INFO L448 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-12-09 10:16:28,380 INFO L444 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse0 (= 1 ~a7~0)) (.cse1 (not (= ~a16~0 6))) (.cse2 (<= ~a8~0 13))) (or (and .cse0 .cse1) (not (= 1 |old(~a21~0)|)) (and (not (= ~a8~0 13)) (<= ~a7~0 0)) (not (= 8 ~a12~0)) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a17~0)|)) (or (and .cse2 .cse0) (and .cse2 .cse1)) (not (= 15 |old(~a8~0)|)) (and .cse2 (and (not (= ~a8~0 0)) (= ~a17~0 1) (= ~a21~0 1) (= ~a20~0 1))))) [2018-12-09 10:16:28,380 INFO L448 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2018-12-09 10:16:28,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 10:16:28 BoogieIcfgContainer [2018-12-09 10:16:28,389 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 10:16:28,389 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 10:16:28,389 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 10:16:28,389 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 10:16:28,390 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:16:13" (3/4) ... [2018-12-09 10:16:28,393 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 10:16:28,398 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 10:16:28,398 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-09 10:16:28,398 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 10:16:28,406 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-09 10:16:28,406 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 10:16:28,427 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((1 == a7 && !(a16 == 6)) || !(1 == \old(a21))) || (!(a8 == 13) && a7 <= 0)) || !(8 == a12)) || !(1 == \old(a20))) || !(5 == \old(a16))) || !(0 == \old(a7))) || !(1 == \old(a17))) || (a8 <= 13 && 1 == a7) || (a8 <= 13 && !(a16 == 6))) || !(15 == \old(a8))) || (a8 <= 13 && ((!(a8 == 0) && a17 == 1) && a21 == 1) && a20 == 1) [2018-12-09 10:16:28,491 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_59c02de5-5f19-4e2c-b105-afeed0af8807/bin-2019/utaipan/witness.graphml [2018-12-09 10:16:28,492 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 10:16:28,492 INFO L168 Benchmark]: Toolchain (without parser) took 16138.02 ms. Allocated memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: 876.6 MB). Free memory was 949.6 MB in the beginning and 823.4 MB in the end (delta: 126.2 MB). Peak memory consumption was 1.0 GB. Max. memory is 11.5 GB. [2018-12-09 10:16:28,493 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 10:16:28,493 INFO L168 Benchmark]: CACSL2BoogieTranslator took 309.82 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 68.2 MB). Free memory was 949.6 MB in the beginning and 1.0 GB in the end (delta: -98.3 MB). Peak memory consumption was 38.2 MB. Max. memory is 11.5 GB. [2018-12-09 10:16:28,494 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.13 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 10:16:28,494 INFO L168 Benchmark]: Boogie Preprocessor took 36.84 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. [2018-12-09 10:16:28,494 INFO L168 Benchmark]: RCFGBuilder took 621.11 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 940.7 MB in the end (delta: 99.8 MB). Peak memory consumption was 99.8 MB. Max. memory is 11.5 GB. [2018-12-09 10:16:28,494 INFO L168 Benchmark]: TraceAbstraction took 15044.97 ms. Allocated memory was 1.1 GB in the beginning and 1.9 GB in the end (delta: 808.5 MB). Free memory was 940.7 MB in the beginning and 845.0 MB in the end (delta: 95.7 MB). Peak memory consumption was 904.1 MB. Max. memory is 11.5 GB. [2018-12-09 10:16:28,495 INFO L168 Benchmark]: Witness Printer took 102.84 ms. Allocated memory is still 1.9 GB. Free memory was 845.0 MB in the beginning and 823.4 MB in the end (delta: 21.6 MB). Peak memory consumption was 21.6 MB. Max. memory is 11.5 GB. [2018-12-09 10:16:28,496 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 309.82 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 68.2 MB). Free memory was 949.6 MB in the beginning and 1.0 GB in the end (delta: -98.3 MB). Peak memory consumption was 38.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.13 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.84 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 621.11 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 940.7 MB in the end (delta: 99.8 MB). Peak memory consumption was 99.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 15044.97 ms. Allocated memory was 1.1 GB in the beginning and 1.9 GB in the end (delta: 808.5 MB). Free memory was 940.7 MB in the beginning and 845.0 MB in the end (delta: 95.7 MB). Peak memory consumption was 904.1 MB. Max. memory is 11.5 GB. * Witness Printer took 102.84 ms. Allocated memory is still 1.9 GB. Free memory was 845.0 MB in the beginning and 823.4 MB in the end (delta: 21.6 MB). Peak memory consumption was 21.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 491]: 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: 583]: Loop Invariant Derived loop invariant: ((((((((((1 == a7 && !(a16 == 6)) || !(1 == \old(a21))) || (!(a8 == 13) && a7 <= 0)) || !(8 == a12)) || !(1 == \old(a20))) || !(5 == \old(a16))) || !(0 == \old(a7))) || !(1 == \old(a17))) || (a8 <= 13 && 1 == a7) || (a8 <= 13 && !(a16 == 6))) || !(15 == \old(a8))) || (a8 <= 13 && ((!(a8 == 0) && a17 == 1) && a21 == 1) && a20 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. SAFE Result, 14.9s OverallTime, 8 OverallIterations, 5 TraceHistogramMax, 10.6s AutomataDifference, 0.0s DeadEndRemovalTime, 1.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 389 SDtfs, 6121 SDslu, 508 SDs, 0 SdLazy, 8376 SolverSat, 1359 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.4s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 1590 GetRequests, 1471 SyntacticMatches, 7 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 375 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4861occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.1s AbstIntTime, 5 AbstIntIterations, 3 AbstIntStrong, 0.9968652259530895 AbsIntWeakeningRatio, 0.251131221719457 AbsIntAvgWeakeningVarsNumRemoved, 29.08371040723982 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 1099 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 105 PreInvPairs, 195 NumberOfFragments, 611 HoareAnnotationTreeSize, 105 FomulaSimplifications, 10411 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 4655 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1710 NumberOfCodeBlocks, 1646 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2213 ConstructedInterpolants, 0 QuantifiedInterpolants, 720298 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1420 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 14 InterpolantComputations, 4 PerfectInterpolantSequences, 908/1023 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...