./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label13_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ef3e6159-6aaf-4196-a1f0-ac082405bd43/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ef3e6159-6aaf-4196-a1f0-ac082405bd43/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ef3e6159-6aaf-4196-a1f0-ac082405bd43/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ef3e6159-6aaf-4196-a1f0-ac082405bd43/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label13_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ef3e6159-6aaf-4196-a1f0-ac082405bd43/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ef3e6159-6aaf-4196-a1f0-ac082405bd43/bin-2019/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c02679de872b8968623da7b5a7e12653047a8c34 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 12:39:47,503 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 12:39:47,504 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 12:39:47,510 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 12:39:47,510 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 12:39:47,511 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 12:39:47,512 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 12:39:47,513 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 12:39:47,514 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 12:39:47,515 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 12:39:47,515 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 12:39:47,516 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 12:39:47,516 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 12:39:47,517 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 12:39:47,517 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 12:39:47,518 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 12:39:47,518 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 12:39:47,520 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 12:39:47,521 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 12:39:47,521 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 12:39:47,522 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 12:39:47,523 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 12:39:47,525 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 12:39:47,525 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 12:39:47,525 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 12:39:47,526 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 12:39:47,526 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 12:39:47,527 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 12:39:47,527 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 12:39:47,528 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 12:39:47,528 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 12:39:47,529 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 12:39:47,529 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 12:39:47,529 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 12:39:47,530 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 12:39:47,530 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 12:39:47,530 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ef3e6159-6aaf-4196-a1f0-ac082405bd43/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 12:39:47,539 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 12:39:47,539 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 12:39:47,540 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 12:39:47,540 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 12:39:47,540 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 12:39:47,541 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 12:39:47,541 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 12:39:47,541 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 12:39:47,541 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 12:39:47,541 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 12:39:47,541 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 12:39:47,541 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 12:39:47,542 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 12:39:47,542 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 12:39:47,542 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 12:39:47,542 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 12:39:47,542 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 12:39:47,542 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 12:39:47,542 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 12:39:47,542 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 12:39:47,543 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 12:39:47,543 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 12:39:47,543 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 12:39:47,543 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 12:39:47,543 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 12:39:47,543 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 12:39:47,543 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 12:39:47,544 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 12:39:47,544 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 12:39:47,544 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 12:39:47,544 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_ef3e6159-6aaf-4196-a1f0-ac082405bd43/bin-2019/uautomizer 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 -> Automizer 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 -> c02679de872b8968623da7b5a7e12653047a8c34 [2018-11-23 12:39:47,568 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 12:39:47,577 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 12:39:47,580 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 12:39:47,581 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 12:39:47,581 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 12:39:47,582 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ef3e6159-6aaf-4196-a1f0-ac082405bd43/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem10_label13_true-unreach-call.c [2018-11-23 12:39:47,621 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ef3e6159-6aaf-4196-a1f0-ac082405bd43/bin-2019/uautomizer/data/c267a2b46/b686d0521c874ed196da0d2636e18029/FLAG048f9831c [2018-11-23 12:39:47,985 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 12:39:47,985 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ef3e6159-6aaf-4196-a1f0-ac082405bd43/sv-benchmarks/c/eca-rers2012/Problem10_label13_true-unreach-call.c [2018-11-23 12:39:47,996 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ef3e6159-6aaf-4196-a1f0-ac082405bd43/bin-2019/uautomizer/data/c267a2b46/b686d0521c874ed196da0d2636e18029/FLAG048f9831c [2018-11-23 12:39:48,008 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ef3e6159-6aaf-4196-a1f0-ac082405bd43/bin-2019/uautomizer/data/c267a2b46/b686d0521c874ed196da0d2636e18029 [2018-11-23 12:39:48,011 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 12:39:48,012 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 12:39:48,013 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 12:39:48,013 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 12:39:48,016 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 12:39:48,017 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:39:48" (1/1) ... [2018-11-23 12:39:48,019 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58ddd63d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:48, skipping insertion in model container [2018-11-23 12:39:48,020 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:39:48" (1/1) ... [2018-11-23 12:39:48,028 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 12:39:48,066 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 12:39:48,319 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:39:48,322 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 12:39:48,393 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:39:48,406 INFO L195 MainTranslator]: Completed translation [2018-11-23 12:39:48,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:48 WrapperNode [2018-11-23 12:39:48,406 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 12:39:48,406 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 12:39:48,407 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 12:39:48,407 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 12:39:48,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:48" (1/1) ... [2018-11-23 12:39:48,469 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:48" (1/1) ... [2018-11-23 12:39:48,477 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 12:39:48,477 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 12:39:48,477 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 12:39:48,477 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 12:39:48,484 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:48" (1/1) ... [2018-11-23 12:39:48,484 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:48" (1/1) ... [2018-11-23 12:39:48,486 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:48" (1/1) ... [2018-11-23 12:39:48,487 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:48" (1/1) ... [2018-11-23 12:39:48,506 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:48" (1/1) ... [2018-11-23 12:39:48,514 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:48" (1/1) ... [2018-11-23 12:39:48,517 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:48" (1/1) ... [2018-11-23 12:39:48,522 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 12:39:48,523 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 12:39:48,523 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 12:39:48,523 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 12:39:48,524 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ef3e6159-6aaf-4196-a1f0-ac082405bd43/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 12:39:48,565 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 12:39:48,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 12:39:48,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 12:39:48,566 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 12:39:48,566 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 12:39:48,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 12:39:48,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 12:39:48,566 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 12:39:48,566 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 12:39:49,433 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 12:39:49,434 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 12:39:49,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:39:49 BoogieIcfgContainer [2018-11-23 12:39:49,434 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 12:39:49,435 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 12:39:49,435 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 12:39:49,437 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 12:39:49,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 12:39:48" (1/3) ... [2018-11-23 12:39:49,438 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49a8e944 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:39:49, skipping insertion in model container [2018-11-23 12:39:49,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:48" (2/3) ... [2018-11-23 12:39:49,438 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49a8e944 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:39:49, skipping insertion in model container [2018-11-23 12:39:49,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:39:49" (3/3) ... [2018-11-23 12:39:49,440 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label13_true-unreach-call.c [2018-11-23 12:39:49,447 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 12:39:49,452 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 12:39:49,462 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 12:39:49,484 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 12:39:49,485 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 12:39:49,485 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 12:39:49,485 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 12:39:49,485 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 12:39:49,485 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 12:39:49,485 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 12:39:49,485 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 12:39:49,485 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 12:39:49,504 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2018-11-23 12:39:49,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-23 12:39:49,510 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:39:49,510 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] [2018-11-23 12:39:49,512 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:39:49,516 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:39:49,516 INFO L82 PathProgramCache]: Analyzing trace with hash 1614181646, now seen corresponding path program 1 times [2018-11-23 12:39:49,517 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:39:49,518 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:39:49,548 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:39:49,548 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:39:49,548 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:39:49,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:39:49,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:39:49,796 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:39:49,796 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 12:39:49,800 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 12:39:49,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 12:39:49,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 12:39:49,811 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 3 states. [2018-11-23 12:39:50,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:39:50,459 INFO L93 Difference]: Finished difference Result 571 states and 989 transitions. [2018-11-23 12:39:50,460 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 12:39:50,461 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2018-11-23 12:39:50,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:39:50,470 INFO L225 Difference]: With dead ends: 571 [2018-11-23 12:39:50,470 INFO L226 Difference]: Without dead ends: 354 [2018-11-23 12:39:50,473 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 12:39:50,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2018-11-23 12:39:50,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 354. [2018-11-23 12:39:50,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 354 states. [2018-11-23 12:39:50,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 607 transitions. [2018-11-23 12:39:50,511 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 607 transitions. Word has length 61 [2018-11-23 12:39:50,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:39:50,512 INFO L480 AbstractCegarLoop]: Abstraction has 354 states and 607 transitions. [2018-11-23 12:39:50,512 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 12:39:50,512 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 607 transitions. [2018-11-23 12:39:50,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-23 12:39:50,517 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:39:50,518 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:39:50,518 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:39:50,519 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:39:50,519 INFO L82 PathProgramCache]: Analyzing trace with hash 562524769, now seen corresponding path program 1 times [2018-11-23 12:39:50,519 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:39:50,519 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:39:50,520 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:39:50,520 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:39:50,520 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:39:50,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:39:50,731 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:39:50,731 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:39:50,731 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 12:39:50,733 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 12:39:50,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 12:39:50,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 12:39:50,733 INFO L87 Difference]: Start difference. First operand 354 states and 607 transitions. Second operand 5 states. [2018-11-23 12:39:51,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:39:51,810 INFO L93 Difference]: Finished difference Result 1135 states and 2017 transitions. [2018-11-23 12:39:51,813 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 12:39:51,814 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 180 [2018-11-23 12:39:51,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:39:51,818 INFO L225 Difference]: With dead ends: 1135 [2018-11-23 12:39:51,819 INFO L226 Difference]: Without dead ends: 787 [2018-11-23 12:39:51,820 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-23 12:39:51,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 787 states. [2018-11-23 12:39:51,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 787 to 781. [2018-11-23 12:39:51,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 781 states. [2018-11-23 12:39:51,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 781 states and 1297 transitions. [2018-11-23 12:39:51,844 INFO L78 Accepts]: Start accepts. Automaton has 781 states and 1297 transitions. Word has length 180 [2018-11-23 12:39:51,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:39:51,845 INFO L480 AbstractCegarLoop]: Abstraction has 781 states and 1297 transitions. [2018-11-23 12:39:51,845 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 12:39:51,845 INFO L276 IsEmpty]: Start isEmpty. Operand 781 states and 1297 transitions. [2018-11-23 12:39:51,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-23 12:39:51,849 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:39:51,849 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:39:51,850 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:39:51,850 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:39:51,851 INFO L82 PathProgramCache]: Analyzing trace with hash 1013955258, now seen corresponding path program 1 times [2018-11-23 12:39:51,851 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:39:51,851 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:39:51,852 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:39:51,852 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:39:51,852 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:39:51,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:39:52,018 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:39:52,019 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:39:52,019 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 12:39:52,019 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 12:39:52,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 12:39:52,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 12:39:52,020 INFO L87 Difference]: Start difference. First operand 781 states and 1297 transitions. Second operand 6 states. [2018-11-23 12:39:52,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:39:52,926 INFO L93 Difference]: Finished difference Result 1967 states and 3359 transitions. [2018-11-23 12:39:52,927 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 12:39:52,927 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 187 [2018-11-23 12:39:52,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:39:52,933 INFO L225 Difference]: With dead ends: 1967 [2018-11-23 12:39:52,933 INFO L226 Difference]: Without dead ends: 1192 [2018-11-23 12:39:52,936 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-23 12:39:52,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1192 states. [2018-11-23 12:39:52,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1192 to 1173. [2018-11-23 12:39:52,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1173 states. [2018-11-23 12:39:52,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1173 states to 1173 states and 1750 transitions. [2018-11-23 12:39:52,967 INFO L78 Accepts]: Start accepts. Automaton has 1173 states and 1750 transitions. Word has length 187 [2018-11-23 12:39:52,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:39:52,967 INFO L480 AbstractCegarLoop]: Abstraction has 1173 states and 1750 transitions. [2018-11-23 12:39:52,967 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 12:39:52,968 INFO L276 IsEmpty]: Start isEmpty. Operand 1173 states and 1750 transitions. [2018-11-23 12:39:52,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-11-23 12:39:52,973 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:39:52,973 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-23 12:39:52,973 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:39:52,973 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:39:52,974 INFO L82 PathProgramCache]: Analyzing trace with hash -1373393371, now seen corresponding path program 1 times [2018-11-23 12:39:52,974 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:39:52,974 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:39:52,975 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:39:52,975 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:39:52,975 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:39:53,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:39:53,428 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 176 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:39:53,428 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:39:53,428 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ef3e6159-6aaf-4196-a1f0-ac082405bd43/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 12:39:53,436 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:39:53,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:39:53,516 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:39:53,668 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 176 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:39:53,694 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 12:39:53,694 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 5] total 16 [2018-11-23 12:39:53,695 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-23 12:39:53,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-23 12:39:53,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2018-11-23 12:39:53,696 INFO L87 Difference]: Start difference. First operand 1173 states and 1750 transitions. Second operand 16 states. [2018-11-23 12:39:57,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:39:57,369 INFO L93 Difference]: Finished difference Result 3783 states and 6118 transitions. [2018-11-23 12:39:57,369 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-11-23 12:39:57,369 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 250 [2018-11-23 12:39:57,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:39:57,383 INFO L225 Difference]: With dead ends: 3783 [2018-11-23 12:39:57,383 INFO L226 Difference]: Without dead ends: 2616 [2018-11-23 12:39:57,393 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 315 GetRequests, 264 SyntacticMatches, 1 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 664 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=605, Invalid=2047, Unknown=0, NotChecked=0, Total=2652 [2018-11-23 12:39:57,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2616 states. [2018-11-23 12:39:57,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2616 to 2312. [2018-11-23 12:39:57,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2312 states. [2018-11-23 12:39:57,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2312 states to 2312 states and 3099 transitions. [2018-11-23 12:39:57,461 INFO L78 Accepts]: Start accepts. Automaton has 2312 states and 3099 transitions. Word has length 250 [2018-11-23 12:39:57,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:39:57,462 INFO L480 AbstractCegarLoop]: Abstraction has 2312 states and 3099 transitions. [2018-11-23 12:39:57,462 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-23 12:39:57,462 INFO L276 IsEmpty]: Start isEmpty. Operand 2312 states and 3099 transitions. [2018-11-23 12:39:57,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-11-23 12:39:57,471 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:39:57,471 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 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] [2018-11-23 12:39:57,471 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:39:57,472 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:39:57,472 INFO L82 PathProgramCache]: Analyzing trace with hash -1409344854, now seen corresponding path program 1 times [2018-11-23 12:39:57,472 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:39:57,472 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:39:57,473 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:39:57,473 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:39:57,473 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:39:57,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:39:57,666 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 185 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:39:57,666 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:39:57,666 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ef3e6159-6aaf-4196-a1f0-ac082405bd43/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 12:39:57,673 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:39:57,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:39:57,724 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:39:57,777 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 185 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:39:57,793 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 12:39:57,793 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2018-11-23 12:39:57,794 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 12:39:57,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 12:39:57,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-11-23 12:39:57,794 INFO L87 Difference]: Start difference. First operand 2312 states and 3099 transitions. Second operand 9 states. [2018-11-23 12:39:59,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:39:59,226 INFO L93 Difference]: Finished difference Result 6887 states and 10424 transitions. [2018-11-23 12:39:59,227 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-23 12:39:59,227 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 265 [2018-11-23 12:39:59,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:39:59,233 INFO L225 Difference]: With dead ends: 6887 [2018-11-23 12:39:59,234 INFO L226 Difference]: Without dead ends: 1779 [2018-11-23 12:39:59,271 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 271 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2018-11-23 12:39:59,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1779 states. [2018-11-23 12:39:59,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1779 to 1619. [2018-11-23 12:39:59,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1619 states. [2018-11-23 12:39:59,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1619 states to 1619 states and 2024 transitions. [2018-11-23 12:39:59,317 INFO L78 Accepts]: Start accepts. Automaton has 1619 states and 2024 transitions. Word has length 265 [2018-11-23 12:39:59,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:39:59,318 INFO L480 AbstractCegarLoop]: Abstraction has 1619 states and 2024 transitions. [2018-11-23 12:39:59,318 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 12:39:59,318 INFO L276 IsEmpty]: Start isEmpty. Operand 1619 states and 2024 transitions. [2018-11-23 12:39:59,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2018-11-23 12:39:59,324 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:39:59,324 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 12:39:59,325 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:39:59,325 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:39:59,325 INFO L82 PathProgramCache]: Analyzing trace with hash -73832098, now seen corresponding path program 1 times [2018-11-23 12:39:59,325 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:39:59,325 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:39:59,326 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:39:59,326 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:39:59,326 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:39:59,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:39:59,452 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 108 proven. 91 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 12:39:59,453 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:39:59,453 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ef3e6159-6aaf-4196-a1f0-ac082405bd43/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 12:39:59,459 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:39:59,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:39:59,503 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:39:59,565 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 148 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-11-23 12:39:59,581 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 12:39:59,581 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2018-11-23 12:39:59,582 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 12:39:59,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 12:39:59,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-11-23 12:39:59,582 INFO L87 Difference]: Start difference. First operand 1619 states and 2024 transitions. Second operand 9 states. [2018-11-23 12:40:00,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:40:00,047 INFO L93 Difference]: Finished difference Result 2783 states and 3485 transitions. [2018-11-23 12:40:00,047 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 12:40:00,047 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 275 [2018-11-23 12:40:00,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:40:00,052 INFO L225 Difference]: With dead ends: 2783 [2018-11-23 12:40:00,052 INFO L226 Difference]: Without dead ends: 1464 [2018-11-23 12:40:00,054 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 289 GetRequests, 277 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2018-11-23 12:40:00,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1464 states. [2018-11-23 12:40:00,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1464 to 1442. [2018-11-23 12:40:00,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1442 states. [2018-11-23 12:40:00,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1442 states to 1442 states and 1695 transitions. [2018-11-23 12:40:00,084 INFO L78 Accepts]: Start accepts. Automaton has 1442 states and 1695 transitions. Word has length 275 [2018-11-23 12:40:00,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:40:00,085 INFO L480 AbstractCegarLoop]: Abstraction has 1442 states and 1695 transitions. [2018-11-23 12:40:00,085 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 12:40:00,085 INFO L276 IsEmpty]: Start isEmpty. Operand 1442 states and 1695 transitions. [2018-11-23 12:40:00,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2018-11-23 12:40:00,092 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:40:00,093 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:40:00,093 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:40:00,093 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:40:00,093 INFO L82 PathProgramCache]: Analyzing trace with hash -467387859, now seen corresponding path program 1 times [2018-11-23 12:40:00,093 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:40:00,093 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:40:00,094 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:40:00,094 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:40:00,094 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:40:00,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:40:00,680 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 305 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:40:00,681 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:40:00,681 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ef3e6159-6aaf-4196-a1f0-ac082405bd43/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 12:40:00,688 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:40:00,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:40:00,741 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:40:12,124 WARN L180 SmtUtils]: Spent 11.28 s on a formula simplification. DAG size of input: 90 DAG size of output: 47 [2018-11-23 12:40:12,342 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 374 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-11-23 12:40:12,364 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 12:40:12,365 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 8] total 23 [2018-11-23 12:40:12,365 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-11-23 12:40:12,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-11-23 12:40:12,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=437, Unknown=0, NotChecked=0, Total=506 [2018-11-23 12:40:12,366 INFO L87 Difference]: Start difference. First operand 1442 states and 1695 transitions. Second operand 23 states. [2018-11-23 12:40:34,309 WARN L180 SmtUtils]: Spent 11.75 s on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2018-11-23 12:40:55,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:40:55,753 INFO L93 Difference]: Finished difference Result 5608 states and 8558 transitions. [2018-11-23 12:40:55,754 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2018-11-23 12:40:55,754 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 372 [2018-11-23 12:40:55,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:40:55,754 INFO L225 Difference]: With dead ends: 5608 [2018-11-23 12:40:55,754 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 12:40:55,767 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 532 GetRequests, 386 SyntacticMatches, 3 SemanticMatches, 143 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8123 ImplicationChecksByTransitivity, 26.3s TimeCoverageRelationStatistics Valid=2787, Invalid=18093, Unknown=0, NotChecked=0, Total=20880 [2018-11-23 12:40:55,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 12:40:55,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 12:40:55,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 12:40:55,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 12:40:55,767 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 372 [2018-11-23 12:40:55,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:40:55,768 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 12:40:55,768 INFO L481 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-11-23 12:40:55,768 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 12:40:55,768 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:40:55,772 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 12:40:55,909 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:40:55,987 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:40:55,995 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:40:56,144 WARN L180 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 181 [2018-11-23 12:40:56,150 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:40:56,223 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:40:56,229 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:40:56,372 WARN L180 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 181 [2018-11-23 12:40:56,767 WARN L180 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 41 [2018-11-23 12:40:57,135 WARN L180 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 44 [2018-11-23 12:40:57,485 WARN L180 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 44 [2018-11-23 12:40:57,486 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 12:40:57,486 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a19~0 |old(~a19~0)|) (= |old(~a10~0)| ~a10~0) (= ~a1~0 |old(~a1~0)|)) [2018-11-23 12:40:57,486 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 12:40:57,486 INFO L448 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-11-23 12:40:57,486 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 12:40:57,486 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 12:40:57,486 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 12:40:57,487 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 12:40:57,487 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 12:40:57,487 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 12:40:57,487 INFO L448 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-11-23 12:40:57,487 INFO L448 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-11-23 12:40:57,487 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-23 12:40:57,487 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-23 12:40:57,487 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-23 12:40:57,487 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-23 12:40:57,487 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-23 12:40:57,487 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-23 12:40:57,487 INFO L448 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-11-23 12:40:57,487 INFO L448 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-11-23 12:40:57,487 INFO L448 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-11-23 12:40:57,487 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 12:40:57,487 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 12:40:57,487 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 12:40:57,487 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 12:40:57,487 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 12:40:57,487 INFO L448 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-11-23 12:40:57,487 INFO L448 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-11-23 12:40:57,487 INFO L448 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-11-23 12:40:57,487 INFO L448 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-11-23 12:40:57,488 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-23 12:40:57,488 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-23 12:40:57,488 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-23 12:40:57,488 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-23 12:40:57,488 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-23 12:40:57,488 INFO L448 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-11-23 12:40:57,488 INFO L448 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-11-23 12:40:57,488 INFO L448 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-11-23 12:40:57,488 INFO L448 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-11-23 12:40:57,488 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-11-23 12:40:57,488 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 12:40:57,488 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 12:40:57,488 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 12:40:57,488 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 12:40:57,488 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 12:40:57,488 INFO L448 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-11-23 12:40:57,488 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-23 12:40:57,488 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-23 12:40:57,488 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-23 12:40:57,488 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-23 12:40:57,488 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-23 12:40:57,489 INFO L448 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-11-23 12:40:57,489 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-11-23 12:40:57,489 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-11-23 12:40:57,489 INFO L448 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-11-23 12:40:57,489 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 12:40:57,489 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 12:40:57,489 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 12:40:57,489 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 12:40:57,489 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 12:40:57,489 INFO L448 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-11-23 12:40:57,489 INFO L448 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-11-23 12:40:57,489 INFO L448 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-11-23 12:40:57,489 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-23 12:40:57,490 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-23 12:40:57,490 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-23 12:40:57,490 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-23 12:40:57,490 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-23 12:40:57,490 INFO L448 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-11-23 12:40:57,490 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-11-23 12:40:57,490 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-11-23 12:40:57,490 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-11-23 12:40:57,490 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-11-23 12:40:57,490 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 169) no Hoare annotation was computed. [2018-11-23 12:40:57,491 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 12:40:57,491 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 12:40:57,491 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 12:40:57,491 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 12:40:57,491 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 12:40:57,491 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-23 12:40:57,491 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-23 12:40:57,491 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-23 12:40:57,491 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-23 12:40:57,491 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-23 12:40:57,491 INFO L448 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-11-23 12:40:57,491 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-11-23 12:40:57,491 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-11-23 12:40:57,492 INFO L448 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-11-23 12:40:57,492 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 12:40:57,492 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 12:40:57,492 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 12:40:57,492 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 12:40:57,492 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 12:40:57,492 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2018-11-23 12:40:57,492 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2018-11-23 12:40:57,492 INFO L448 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-11-23 12:40:57,492 INFO L448 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-11-23 12:40:57,492 INFO L448 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-11-23 12:40:57,492 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-11-23 12:40:57,492 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-23 12:40:57,493 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-23 12:40:57,493 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-23 12:40:57,493 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-23 12:40:57,493 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-23 12:40:57,493 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-11-23 12:40:57,493 INFO L448 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-11-23 12:40:57,493 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-11-23 12:40:57,493 INFO L448 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-11-23 12:40:57,493 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 12:40:57,493 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 12:40:57,493 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 12:40:57,493 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 12:40:57,493 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-11-23 12:40:57,494 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 12:40:57,494 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2018-11-23 12:40:57,494 INFO L448 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-11-23 12:40:57,494 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-11-23 12:40:57,494 INFO L448 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-11-23 12:40:57,494 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-23 12:40:57,494 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-23 12:40:57,494 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-23 12:40:57,494 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-23 12:40:57,494 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-23 12:40:57,494 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-23 12:40:57,494 INFO L448 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-11-23 12:40:57,494 INFO L448 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-11-23 12:40:57,495 INFO L448 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-11-23 12:40:57,495 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-11-23 12:40:57,495 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 12:40:57,495 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 12:40:57,495 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 12:40:57,495 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 12:40:57,495 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 12:40:57,495 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 12:40:57,495 INFO L448 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-11-23 12:40:57,495 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-11-23 12:40:57,495 INFO L448 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-11-23 12:40:57,495 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-23 12:40:57,495 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-23 12:40:57,496 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-23 12:40:57,496 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-23 12:40:57,496 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-23 12:40:57,496 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-23 12:40:57,496 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-11-23 12:40:57,496 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-11-23 12:40:57,496 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse6 (= ~a19~0 |old(~a19~0)|)) (.cse7 (= |old(~a10~0)| ~a10~0)) (.cse5 (= ~a1~0 |old(~a1~0)|))) (let ((.cse4 (= 1 |old(~a10~0)|)) (.cse2 (< 2 |old(~a10~0)|)) (.cse8 (< 8 |old(~a19~0)|)) (.cse0 (not (= 14 ~a4~0))) (.cse1 (not (= 0 ~a12~0))) (.cse9 (= 6 |old(~a19~0)|)) (.cse3 (and .cse6 .cse7 .cse5))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 (and .cse5 .cse6 .cse7) .cse1 (not (= 9 |old(~a19~0)|))) (or .cse8 .cse0 .cse3 .cse1 (< 33 |old(~a1~0)|) .cse4) (or .cse3 .cse0 .cse1 .cse9 .cse2) (or .cse8 .cse0 .cse1 .cse9 .cse3)))) [2018-11-23 12:40:57,496 INFO L448 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-11-23 12:40:57,496 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-11-23 12:40:57,496 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-11-23 12:40:57,496 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 12:40:57,497 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 12:40:57,497 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 12:40:57,497 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 12:40:57,497 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 12:40:57,497 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 12:40:57,497 INFO L448 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-11-23 12:40:57,497 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-23 12:40:57,497 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-23 12:40:57,497 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-23 12:40:57,497 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-23 12:40:57,497 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-23 12:40:57,497 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-23 12:40:57,497 INFO L448 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-11-23 12:40:57,498 INFO L448 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-11-23 12:40:57,498 INFO L448 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-11-23 12:40:57,498 INFO L448 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-11-23 12:40:57,498 INFO L448 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-11-23 12:40:57,498 INFO L448 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-11-23 12:40:57,498 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 12:40:57,498 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 12:40:57,498 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 12:40:57,498 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 12:40:57,498 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 12:40:57,498 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 12:40:57,498 INFO L448 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-11-23 12:40:57,498 INFO L448 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-11-23 12:40:57,498 INFO L448 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-11-23 12:40:57,499 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-23 12:40:57,499 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-23 12:40:57,499 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-23 12:40:57,499 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-23 12:40:57,499 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-23 12:40:57,499 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-23 12:40:57,499 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-11-23 12:40:57,499 INFO L448 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-11-23 12:40:57,499 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-11-23 12:40:57,499 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 12:40:57,499 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 12:40:57,499 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 12:40:57,499 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 12:40:57,500 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 12:40:57,500 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 12:40:57,500 INFO L448 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-11-23 12:40:57,500 INFO L448 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-11-23 12:40:57,500 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-11-23 12:40:57,500 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-23 12:40:57,500 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-23 12:40:57,500 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-23 12:40:57,500 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-23 12:40:57,500 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-23 12:40:57,500 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-23 12:40:57,500 INFO L448 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-11-23 12:40:57,500 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-11-23 12:40:57,500 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-11-23 12:40:57,501 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 12:40:57,501 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= 23 ~a1~0) (<= ~a1~0 23) (<= ~a10~0 2) (= ~a12~0 0) (not (= ~a10~0 1)) (= ~a4~0 14) (= 9 ~a19~0)) [2018-11-23 12:40:57,501 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 12:40:57,501 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 12:40:57,501 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (< |old(~a1~0)| 23) (not (= 14 ~a4~0)) (not (= 0 ~a12~0)) (not (= 9 |old(~a19~0)|)) (and (<= ~a1~0 23) (<= |old(~a1~0)| ~a1~0) (= ~a19~0 |old(~a19~0)|) (= |old(~a10~0)| ~a10~0)) (< 2 |old(~a10~0)|) (= 1 |old(~a10~0)|) (< 23 |old(~a1~0)|)) [2018-11-23 12:40:57,501 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2018-11-23 12:40:57,501 INFO L444 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 8)) (.cse1 (not (= ~a10~0 1))) (.cse2 (not (= ~a19~0 6))) (.cse3 (<= ~a10~0 2))) (or (and (and .cse0 .cse1) (<= ~a1~0 33)) (< |old(~a1~0)| 23) (and .cse2 .cse0) (not (= 0 ~a12~0)) (< 23 |old(~a1~0)|) (= 9 ~a19~0) (not (= 9 |old(~a19~0)|)) (= 1 |old(~a10~0)|) (not (= 14 ~a4~0)) (< 2 |old(~a10~0)|) (and .cse3 .cse1) (and .cse2 .cse3))) [2018-11-23 12:40:57,501 INFO L448 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2018-11-23 12:40:57,501 INFO L448 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-11-23 12:40:57,501 INFO L444 ceAbstractionStarter]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 8)) (.cse1 (not (= ~a10~0 1))) (.cse2 (not (= ~a19~0 6))) (.cse3 (<= ~a10~0 2))) (or (and (and .cse0 .cse1) (<= ~a1~0 33)) (< |old(~a1~0)| 23) (and .cse2 .cse0) (not (= 0 ~a12~0)) (< 23 |old(~a1~0)|) (= 9 ~a19~0) (not (= 9 |old(~a19~0)|)) (= 1 |old(~a10~0)|) (not (= 14 ~a4~0)) (< 2 |old(~a10~0)|) (and .cse3 .cse1) (and .cse2 .cse3))) [2018-11-23 12:40:57,502 INFO L448 ceAbstractionStarter]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2018-11-23 12:40:57,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 12:40:57 BoogieIcfgContainer [2018-11-23 12:40:57,519 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 12:40:57,519 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 12:40:57,519 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 12:40:57,519 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 12:40:57,520 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:39:49" (3/4) ... [2018-11-23 12:40:57,525 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 12:40:57,531 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 12:40:57,531 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 12:40:57,532 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 12:40:57,540 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 12:40:57,541 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 12:40:57,566 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((a19 <= 8 && !(a10 == 1)) && a1 <= 33) || \old(a1) < 23) || (!(a19 == 6) && a19 <= 8)) || !(0 == a12)) || 23 < \old(a1)) || 9 == a19) || !(9 == \old(a19))) || 1 == \old(a10)) || !(14 == a4)) || 2 < \old(a10)) || (a10 <= 2 && !(a10 == 1))) || (!(a19 == 6) && a10 <= 2) [2018-11-23 12:40:57,645 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ef3e6159-6aaf-4196-a1f0-ac082405bd43/bin-2019/uautomizer/witness.graphml [2018-11-23 12:40:57,645 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 12:40:57,647 INFO L168 Benchmark]: Toolchain (without parser) took 69634.54 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 639.1 MB). Free memory was 944.8 MB in the beginning and 1.2 GB in the end (delta: -295.9 MB). Peak memory consumption was 343.2 MB. Max. memory is 11.5 GB. [2018-11-23 12:40:57,647 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 980.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 12:40:57,647 INFO L168 Benchmark]: CACSL2BoogieTranslator took 393.29 ms. Allocated memory is still 1.0 GB. Free memory was 944.8 MB in the beginning and 909.8 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-23 12:40:57,648 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.0 MB). Free memory was 909.8 MB in the beginning and 1.2 GB in the end (delta: -245.2 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2018-11-23 12:40:57,648 INFO L168 Benchmark]: Boogie Preprocessor took 45.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-23 12:40:57,648 INFO L168 Benchmark]: RCFGBuilder took 911.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 101.4 MB). Peak memory consumption was 101.4 MB. Max. memory is 11.5 GB. [2018-11-23 12:40:57,648 INFO L168 Benchmark]: TraceAbstraction took 68083.94 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 477.1 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -206.4 MB). Peak memory consumption was 711.4 MB. Max. memory is 11.5 GB. [2018-11-23 12:40:57,648 INFO L168 Benchmark]: Witness Printer took 126.28 ms. Allocated memory is still 1.7 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-23 12:40:57,652 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 980.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 393.29 ms. Allocated memory is still 1.0 GB. Free memory was 944.8 MB in the beginning and 909.8 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 70.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.0 MB). Free memory was 909.8 MB in the beginning and 1.2 GB in the end (delta: -245.2 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 45.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 911.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 101.4 MB). Peak memory consumption was 101.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 68083.94 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 477.1 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -206.4 MB). Peak memory consumption was 711.4 MB. Max. memory is 11.5 GB. * Witness Printer took 126.28 ms. Allocated memory is still 1.7 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 169]: 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: 582]: Loop Invariant Derived loop invariant: ((((((((((((a19 <= 8 && !(a10 == 1)) && a1 <= 33) || \old(a1) < 23) || (!(a19 == 6) && a19 <= 8)) || !(0 == a12)) || 23 < \old(a1)) || 9 == a19) || !(9 == \old(a19))) || 1 == \old(a10)) || !(14 == a4)) || 2 < \old(a10)) || (a10 <= 2 && !(a10 == 1))) || (!(a19 == 6) && a10 <= 2) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. SAFE Result, 68.0s OverallTime, 7 OverallIterations, 4 TraceHistogramMax, 51.7s AutomataDifference, 0.0s DeadEndRemovalTime, 1.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 598 SDtfs, 16509 SDslu, 1436 SDs, 0 SdLazy, 22977 SolverSat, 6002 SolverUnsat, 8 SolverUnknown, 0 SolverNotchecked, 32.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1446 GetRequests, 1205 SyntacticMatches, 9 SemanticMatches, 232 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8845 ImplicationChecksByTransitivity, 27.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2312occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 511 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 173 PreInvPairs, 431 NumberOfFragments, 341 HoareAnnotationTreeSize, 173 FomulaSimplifications, 37136 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 14053 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 13.0s InterpolantComputationTime, 2752 NumberOfCodeBlocks, 2752 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2741 ConstructedInterpolants, 6 QuantifiedInterpolants, 3467704 SizeOfPredicates, 2 NumberOfNonLiveVariables, 1900 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 11 InterpolantComputations, 4 PerfectInterpolantSequences, 1879/2106 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...