./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label56_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_9f0b4153-715b-44f6-9064-d5fbbb78300c/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9f0b4153-715b-44f6-9064-d5fbbb78300c/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9f0b4153-715b-44f6-9064-d5fbbb78300c/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9f0b4153-715b-44f6-9064-d5fbbb78300c/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label56_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9f0b4153-715b-44f6-9064-d5fbbb78300c/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9f0b4153-715b-44f6-9064-d5fbbb78300c/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 e20784f8aa644ffcee7dc85218c97681429f7c28 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 12:30:36,476 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 12:30:36,478 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 12:30:36,486 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 12:30:36,487 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 12:30:36,487 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 12:30:36,488 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 12:30:36,490 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 12:30:36,491 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 12:30:36,492 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 12:30:36,492 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 12:30:36,493 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 12:30:36,493 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 12:30:36,494 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 12:30:36,495 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 12:30:36,496 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 12:30:36,497 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 12:30:36,498 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 12:30:36,500 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 12:30:36,501 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 12:30:36,502 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 12:30:36,503 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 12:30:36,505 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 12:30:36,505 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 12:30:36,505 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 12:30:36,506 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 12:30:36,507 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 12:30:36,508 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 12:30:36,508 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 12:30:36,509 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 12:30:36,509 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 12:30:36,510 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 12:30:36,510 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 12:30:36,510 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 12:30:36,511 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 12:30:36,512 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 12:30:36,512 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9f0b4153-715b-44f6-9064-d5fbbb78300c/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 12:30:36,523 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 12:30:36,524 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 12:30:36,524 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 12:30:36,524 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 12:30:36,525 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 12:30:36,525 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 12:30:36,525 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 12:30:36,526 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 12:30:36,526 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 12:30:36,526 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 12:30:36,526 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 12:30:36,526 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 12:30:36,526 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 12:30:36,527 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 12:30:36,527 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 12:30:36,527 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 12:30:36,527 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 12:30:36,527 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 12:30:36,527 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 12:30:36,528 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 12:30:36,528 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 12:30:36,528 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 12:30:36,528 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 12:30:36,528 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 12:30:36,529 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 12:30:36,529 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 12:30:36,529 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 12:30:36,529 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 12:30:36,529 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 12:30:36,529 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 12:30:36,530 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_9f0b4153-715b-44f6-9064-d5fbbb78300c/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 -> e20784f8aa644ffcee7dc85218c97681429f7c28 [2018-11-28 12:30:36,556 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 12:30:36,565 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 12:30:36,568 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 12:30:36,569 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 12:30:36,569 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 12:30:36,570 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9f0b4153-715b-44f6-9064-d5fbbb78300c/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem10_label56_true-unreach-call.c [2018-11-28 12:30:36,617 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9f0b4153-715b-44f6-9064-d5fbbb78300c/bin-2019/uautomizer/data/4e6622f7d/ac76e8db25d84834b874a90762be3e9f/FLAG94a4c5c94 [2018-11-28 12:30:37,031 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 12:30:37,031 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9f0b4153-715b-44f6-9064-d5fbbb78300c/sv-benchmarks/c/eca-rers2012/Problem10_label56_true-unreach-call.c [2018-11-28 12:30:37,042 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9f0b4153-715b-44f6-9064-d5fbbb78300c/bin-2019/uautomizer/data/4e6622f7d/ac76e8db25d84834b874a90762be3e9f/FLAG94a4c5c94 [2018-11-28 12:30:37,055 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9f0b4153-715b-44f6-9064-d5fbbb78300c/bin-2019/uautomizer/data/4e6622f7d/ac76e8db25d84834b874a90762be3e9f [2018-11-28 12:30:37,058 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 12:30:37,059 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 12:30:37,060 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 12:30:37,060 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 12:30:37,064 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 12:30:37,064 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:30:37" (1/1) ... [2018-11-28 12:30:37,067 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3375cb2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:30:37, skipping insertion in model container [2018-11-28 12:30:37,067 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:30:37" (1/1) ... [2018-11-28 12:30:37,074 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 12:30:37,109 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 12:30:37,368 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:30:37,372 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 12:30:37,448 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:30:37,524 INFO L195 MainTranslator]: Completed translation [2018-11-28 12:30:37,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:30:37 WrapperNode [2018-11-28 12:30:37,524 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 12:30:37,525 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 12:30:37,525 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 12:30:37,526 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 12:30:37,534 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:30:37" (1/1) ... [2018-11-28 12:30:37,549 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:30:37" (1/1) ... [2018-11-28 12:30:37,555 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 12:30:37,556 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 12:30:37,556 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 12:30:37,556 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 12:30:37,565 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:30:37" (1/1) ... [2018-11-28 12:30:37,566 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:30:37" (1/1) ... [2018-11-28 12:30:37,569 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:30:37" (1/1) ... [2018-11-28 12:30:37,569 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:30:37" (1/1) ... [2018-11-28 12:30:37,592 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:30:37" (1/1) ... [2018-11-28 12:30:37,604 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:30:37" (1/1) ... [2018-11-28 12:30:37,607 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:30:37" (1/1) ... [2018-11-28 12:30:37,612 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 12:30:37,613 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 12:30:37,613 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 12:30:37,613 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 12:30:37,614 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:30:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9f0b4153-715b-44f6-9064-d5fbbb78300c/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 [2018-11-28 12:30:37,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 12:30:37,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 12:30:37,669 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-28 12:30:37,670 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-28 12:30:37,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 12:30:37,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 12:30:37,670 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 12:30:37,670 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 12:30:38,910 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 12:30:38,910 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-28 12:30:38,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:30:38 BoogieIcfgContainer [2018-11-28 12:30:38,911 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 12:30:38,912 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 12:30:38,912 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 12:30:38,915 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 12:30:38,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:30:37" (1/3) ... [2018-11-28 12:30:38,916 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30c192f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:30:38, skipping insertion in model container [2018-11-28 12:30:38,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:30:37" (2/3) ... [2018-11-28 12:30:38,916 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30c192f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:30:38, skipping insertion in model container [2018-11-28 12:30:38,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:30:38" (3/3) ... [2018-11-28 12:30:38,918 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label56_true-unreach-call.c [2018-11-28 12:30:38,926 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 12:30:38,933 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 12:30:38,947 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 12:30:38,977 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 12:30:38,977 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 12:30:38,977 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 12:30:38,978 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 12:30:38,978 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 12:30:38,978 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 12:30:38,978 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 12:30:38,978 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 12:30:38,978 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 12:30:38,999 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2018-11-28 12:30:39,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-28 12:30:39,004 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:30:39,005 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] [2018-11-28 12:30:39,007 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:30:39,011 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:30:39,011 INFO L82 PathProgramCache]: Analyzing trace with hash 1758937742, now seen corresponding path program 1 times [2018-11-28 12:30:39,013 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:30:39,013 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:30:39,046 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:30:39,047 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:30:39,047 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:30:39,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:30:39,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:30:39,242 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:30:39,243 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 12:30:39,246 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 12:30:39,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:30:39,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:30:39,260 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 3 states. [2018-11-28 12:30:39,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:30:39,959 INFO L93 Difference]: Finished difference Result 571 states and 989 transitions. [2018-11-28 12:30:39,960 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 12:30:39,961 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 29 [2018-11-28 12:30:39,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:30:39,972 INFO L225 Difference]: With dead ends: 571 [2018-11-28 12:30:39,972 INFO L226 Difference]: Without dead ends: 294 [2018-11-28 12:30:39,976 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 [2018-11-28 12:30:39,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2018-11-28 12:30:40,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 294. [2018-11-28 12:30:40,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2018-11-28 12:30:40,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 436 transitions. [2018-11-28 12:30:40,024 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 436 transitions. Word has length 29 [2018-11-28 12:30:40,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:30:40,024 INFO L480 AbstractCegarLoop]: Abstraction has 294 states and 436 transitions. [2018-11-28 12:30:40,024 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 12:30:40,024 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 436 transitions. [2018-11-28 12:30:40,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-11-28 12:30:40,029 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:30:40,029 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:30:40,029 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:30:40,030 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:30:40,030 INFO L82 PathProgramCache]: Analyzing trace with hash 30670753, now seen corresponding path program 1 times [2018-11-28 12:30:40,030 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:30:40,030 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:30:40,031 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:30:40,031 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:30:40,032 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:30:40,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:30:40,207 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 12:30:40,207 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:30:40,207 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9f0b4153-715b-44f6-9064-d5fbbb78300c/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 [2018-11-28 12:30:40,217 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:30:40,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:30:40,255 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:30:40,297 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:30:40,313 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 12:30:40,313 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2018-11-28 12:30:40,314 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 12:30:40,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 12:30:40,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-11-28 12:30:40,315 INFO L87 Difference]: Start difference. First operand 294 states and 436 transitions. Second operand 5 states. [2018-11-28 12:30:40,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:30:40,970 INFO L93 Difference]: Finished difference Result 888 states and 1365 transitions. [2018-11-28 12:30:40,970 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 12:30:40,970 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 116 [2018-11-28 12:30:40,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:30:40,977 INFO L225 Difference]: With dead ends: 888 [2018-11-28 12:30:40,977 INFO L226 Difference]: Without dead ends: 886 [2018-11-28 12:30:40,978 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 118 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-11-28 12:30:40,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 886 states. [2018-11-28 12:30:41,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 886 to 729. [2018-11-28 12:30:41,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 729 states. [2018-11-28 12:30:41,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 729 states and 1104 transitions. [2018-11-28 12:30:41,016 INFO L78 Accepts]: Start accepts. Automaton has 729 states and 1104 transitions. Word has length 116 [2018-11-28 12:30:41,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:30:41,016 INFO L480 AbstractCegarLoop]: Abstraction has 729 states and 1104 transitions. [2018-11-28 12:30:41,016 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 12:30:41,017 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 1104 transitions. [2018-11-28 12:30:41,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-28 12:30:41,022 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:30:41,022 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:30:41,022 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:30:41,023 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:30:41,023 INFO L82 PathProgramCache]: Analyzing trace with hash 621386865, now seen corresponding path program 1 times [2018-11-28 12:30:41,023 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:30:41,023 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:30:41,024 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:30:41,024 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:30:41,024 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:30:41,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:30:41,207 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:30:41,207 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:30:41,207 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 12:30:41,208 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 12:30:41,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 12:30:41,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-28 12:30:41,209 INFO L87 Difference]: Start difference. First operand 729 states and 1104 transitions. Second operand 6 states. [2018-11-28 12:30:41,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:30:41,720 INFO L93 Difference]: Finished difference Result 1766 states and 2726 transitions. [2018-11-28 12:30:41,721 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 12:30:41,722 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 156 [2018-11-28 12:30:41,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:30:41,727 INFO L225 Difference]: With dead ends: 1766 [2018-11-28 12:30:41,727 INFO L226 Difference]: Without dead ends: 1043 [2018-11-28 12:30:41,728 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 [2018-11-28 12:30:41,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1043 states. [2018-11-28 12:30:41,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1043 to 886. [2018-11-28 12:30:41,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 886 states. [2018-11-28 12:30:41,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 886 states and 1209 transitions. [2018-11-28 12:30:41,752 INFO L78 Accepts]: Start accepts. Automaton has 886 states and 1209 transitions. Word has length 156 [2018-11-28 12:30:41,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:30:41,753 INFO L480 AbstractCegarLoop]: Abstraction has 886 states and 1209 transitions. [2018-11-28 12:30:41,753 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 12:30:41,753 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1209 transitions. [2018-11-28 12:30:41,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-11-28 12:30:41,757 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:30:41,758 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-28 12:30:41,758 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:30:41,758 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:30:41,758 INFO L82 PathProgramCache]: Analyzing trace with hash 662877061, now seen corresponding path program 1 times [2018-11-28 12:30:41,758 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:30:41,758 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:30:41,759 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:30:41,759 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:30:41,759 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:30:41,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:30:41,850 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-11-28 12:30:41,850 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:30:41,851 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 12:30:41,851 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 12:30:41,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 12:30:41,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-28 12:30:41,852 INFO L87 Difference]: Start difference. First operand 886 states and 1209 transitions. Second operand 4 states. [2018-11-28 12:30:42,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:30:42,648 INFO L93 Difference]: Finished difference Result 3208 states and 4546 transitions. [2018-11-28 12:30:42,650 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 12:30:42,651 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 206 [2018-11-28 12:30:42,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:30:42,659 INFO L225 Difference]: With dead ends: 3208 [2018-11-28 12:30:42,659 INFO L226 Difference]: Without dead ends: 2328 [2018-11-28 12:30:42,661 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-28 12:30:42,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2328 states. [2018-11-28 12:30:42,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2328 to 2185. [2018-11-28 12:30:42,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2185 states. [2018-11-28 12:30:42,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2185 states to 2185 states and 2903 transitions. [2018-11-28 12:30:42,710 INFO L78 Accepts]: Start accepts. Automaton has 2185 states and 2903 transitions. Word has length 206 [2018-11-28 12:30:42,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:30:42,710 INFO L480 AbstractCegarLoop]: Abstraction has 2185 states and 2903 transitions. [2018-11-28 12:30:42,710 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 12:30:42,711 INFO L276 IsEmpty]: Start isEmpty. Operand 2185 states and 2903 transitions. [2018-11-28 12:30:42,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-11-28 12:30:42,716 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:30:42,716 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-28 12:30:42,717 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:30:42,717 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:30:42,717 INFO L82 PathProgramCache]: Analyzing trace with hash -324525238, now seen corresponding path program 1 times [2018-11-28 12:30:42,717 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:30:42,717 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:30:42,718 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:30:42,718 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:30:42,718 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:30:42,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:30:42,901 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 45 proven. 5 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-11-28 12:30:42,901 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:30:42,901 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9f0b4153-715b-44f6-9064-d5fbbb78300c/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 [2018-11-28 12:30:42,909 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:30:42,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:30:42,964 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:30:43,041 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 121 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:30:43,060 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 12:30:43,060 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2018-11-28 12:30:43,061 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-28 12:30:43,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-28 12:30:43,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2018-11-28 12:30:43,061 INFO L87 Difference]: Start difference. First operand 2185 states and 2903 transitions. Second operand 11 states. [2018-11-28 12:30:45,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:30:45,147 INFO L93 Difference]: Finished difference Result 7358 states and 10442 transitions. [2018-11-28 12:30:45,147 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-28 12:30:45,147 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 249 [2018-11-28 12:30:45,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:30:45,157 INFO L225 Difference]: With dead ends: 7358 [2018-11-28 12:30:45,157 INFO L226 Difference]: Without dead ends: 3530 [2018-11-28 12:30:45,163 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 263 SyntacticMatches, 3 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=183, Invalid=519, Unknown=0, NotChecked=0, Total=702 [2018-11-28 12:30:45,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3530 states. [2018-11-28 12:30:45,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3530 to 3506. [2018-11-28 12:30:45,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3506 states. [2018-11-28 12:30:45,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3506 states to 3506 states and 4328 transitions. [2018-11-28 12:30:45,225 INFO L78 Accepts]: Start accepts. Automaton has 3506 states and 4328 transitions. Word has length 249 [2018-11-28 12:30:45,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:30:45,225 INFO L480 AbstractCegarLoop]: Abstraction has 3506 states and 4328 transitions. [2018-11-28 12:30:45,225 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-28 12:30:45,225 INFO L276 IsEmpty]: Start isEmpty. Operand 3506 states and 4328 transitions. [2018-11-28 12:30:45,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2018-11-28 12:30:45,231 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:30:45,231 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:30:45,231 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:30:45,231 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:30:45,232 INFO L82 PathProgramCache]: Analyzing trace with hash 1512914114, now seen corresponding path program 1 times [2018-11-28 12:30:45,232 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:30:45,232 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:30:45,233 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:30:45,233 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:30:45,233 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:30:45,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:30:45,403 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 4 proven. 46 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-11-28 12:30:45,403 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:30:45,403 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9f0b4153-715b-44f6-9064-d5fbbb78300c/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 [2018-11-28 12:30:45,411 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:30:45,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:30:45,459 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:30:45,730 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 4 proven. 155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:30:45,746 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 12:30:45,747 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2018-11-28 12:30:45,747 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-28 12:30:45,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-28 12:30:45,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2018-11-28 12:30:45,748 INFO L87 Difference]: Start difference. First operand 3506 states and 4328 transitions. Second operand 13 states. [2018-11-28 12:30:48,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:30:48,287 INFO L93 Difference]: Finished difference Result 10988 states and 14480 transitions. [2018-11-28 12:30:48,288 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-11-28 12:30:48,288 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 285 [2018-11-28 12:30:48,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:30:48,320 INFO L225 Difference]: With dead ends: 10988 [2018-11-28 12:30:48,320 INFO L226 Difference]: Without dead ends: 7484 [2018-11-28 12:30:48,331 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 283 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=196, Invalid=454, Unknown=0, NotChecked=0, Total=650 [2018-11-28 12:30:48,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7484 states. [2018-11-28 12:30:48,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7484 to 5880. [2018-11-28 12:30:48,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5880 states. [2018-11-28 12:30:48,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5880 states to 5880 states and 7314 transitions. [2018-11-28 12:30:48,523 INFO L78 Accepts]: Start accepts. Automaton has 5880 states and 7314 transitions. Word has length 285 [2018-11-28 12:30:48,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:30:48,524 INFO L480 AbstractCegarLoop]: Abstraction has 5880 states and 7314 transitions. [2018-11-28 12:30:48,524 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-28 12:30:48,524 INFO L276 IsEmpty]: Start isEmpty. Operand 5880 states and 7314 transitions. [2018-11-28 12:30:48,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2018-11-28 12:30:48,545 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:30:48,546 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:30:48,546 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:30:48,546 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:30:48,546 INFO L82 PathProgramCache]: Analyzing trace with hash -1788815215, now seen corresponding path program 1 times [2018-11-28 12:30:48,546 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:30:48,546 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:30:48,547 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:30:48,547 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:30:48,547 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:30:48,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:30:48,846 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 66 proven. 240 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2018-11-28 12:30:48,847 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:30:48,847 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9f0b4153-715b-44f6-9064-d5fbbb78300c/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 [2018-11-28 12:30:48,854 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:30:48,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:30:48,919 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:30:49,028 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 268 proven. 0 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2018-11-28 12:30:49,043 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 12:30:49,044 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2018-11-28 12:30:49,044 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 12:30:49,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 12:30:49,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-11-28 12:30:49,045 INFO L87 Difference]: Start difference. First operand 5880 states and 7314 transitions. Second operand 9 states. [2018-11-28 12:30:49,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:30:49,887 INFO L93 Difference]: Finished difference Result 13206 states and 16591 transitions. [2018-11-28 12:30:49,888 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-28 12:30:49,888 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 418 [2018-11-28 12:30:49,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:30:49,912 INFO L225 Difference]: With dead ends: 13206 [2018-11-28 12:30:49,912 INFO L226 Difference]: Without dead ends: 7769 [2018-11-28 12:30:49,924 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 438 GetRequests, 423 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2018-11-28 12:30:49,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7769 states. [2018-11-28 12:30:50,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7769 to 6607. [2018-11-28 12:30:50,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6607 states. [2018-11-28 12:30:50,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6607 states to 6607 states and 8136 transitions. [2018-11-28 12:30:50,142 INFO L78 Accepts]: Start accepts. Automaton has 6607 states and 8136 transitions. Word has length 418 [2018-11-28 12:30:50,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:30:50,143 INFO L480 AbstractCegarLoop]: Abstraction has 6607 states and 8136 transitions. [2018-11-28 12:30:50,143 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 12:30:50,143 INFO L276 IsEmpty]: Start isEmpty. Operand 6607 states and 8136 transitions. [2018-11-28 12:30:50,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2018-11-28 12:30:50,164 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:30:50,164 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:30:50,164 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:30:50,165 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:30:50,165 INFO L82 PathProgramCache]: Analyzing trace with hash 982802905, now seen corresponding path program 1 times [2018-11-28 12:30:50,165 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:30:50,165 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:30:50,166 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:30:50,166 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:30:50,166 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:30:50,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:30:50,550 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 71 proven. 249 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2018-11-28 12:30:50,550 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:30:50,551 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9f0b4153-715b-44f6-9064-d5fbbb78300c/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 12:30:50,557 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:30:50,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:30:50,628 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:30:50,776 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 408 proven. 2 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-28 12:30:50,805 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 12:30:50,806 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2018-11-28 12:30:50,806 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-28 12:30:50,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-28 12:30:50,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2018-11-28 12:30:50,807 INFO L87 Difference]: Start difference. First operand 6607 states and 8136 transitions. Second operand 11 states. [2018-11-28 12:30:52,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:30:52,142 INFO L93 Difference]: Finished difference Result 13874 states and 17263 transitions. [2018-11-28 12:30:52,143 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-28 12:30:52,143 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 422 [2018-11-28 12:30:52,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:30:52,170 INFO L225 Difference]: With dead ends: 13874 [2018-11-28 12:30:52,170 INFO L226 Difference]: Without dead ends: 7710 [2018-11-28 12:30:52,184 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 450 GetRequests, 429 SyntacticMatches, 3 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=109, Invalid=271, Unknown=0, NotChecked=0, Total=380 [2018-11-28 12:30:52,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7710 states. [2018-11-28 12:30:52,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7710 to 7056. [2018-11-28 12:30:52,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7056 states. [2018-11-28 12:30:52,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7056 states to 7056 states and 8202 transitions. [2018-11-28 12:30:52,329 INFO L78 Accepts]: Start accepts. Automaton has 7056 states and 8202 transitions. Word has length 422 [2018-11-28 12:30:52,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:30:52,330 INFO L480 AbstractCegarLoop]: Abstraction has 7056 states and 8202 transitions. [2018-11-28 12:30:52,330 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-28 12:30:52,330 INFO L276 IsEmpty]: Start isEmpty. Operand 7056 states and 8202 transitions. [2018-11-28 12:30:52,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 442 [2018-11-28 12:30:52,350 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:30:52,350 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:30:52,350 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:30:52,351 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:30:52,351 INFO L82 PathProgramCache]: Analyzing trace with hash 86359130, now seen corresponding path program 1 times [2018-11-28 12:30:52,351 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:30:52,351 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:30:52,351 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:30:52,352 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:30:52,352 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:30:52,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:30:53,092 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 244 proven. 341 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:30:53,093 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:30:53,093 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9f0b4153-715b-44f6-9064-d5fbbb78300c/bin-2019/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 12:30:53,099 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:30:53,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:30:53,163 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:30:53,849 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 8 proven. 357 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2018-11-28 12:30:53,865 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 12:30:53,865 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 9] total 26 [2018-11-28 12:30:53,866 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-11-28 12:30:53,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-11-28 12:30:53,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=547, Unknown=0, NotChecked=0, Total=650 [2018-11-28 12:30:53,866 INFO L87 Difference]: Start difference. First operand 7056 states and 8202 transitions. Second operand 26 states. [2018-11-28 12:31:04,820 WARN L180 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 64 DAG size of output: 52 [2018-11-28 12:31:06,650 WARN L180 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 53 [2018-11-28 12:31:13,819 WARN L180 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 49 [2018-11-28 12:31:16,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:31:16,735 INFO L93 Difference]: Finished difference Result 14169 states and 16943 transitions. [2018-11-28 12:31:16,735 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2018-11-28 12:31:16,736 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 441 [2018-11-28 12:31:16,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:31:16,756 INFO L225 Difference]: With dead ends: 14169 [2018-11-28 12:31:16,756 INFO L226 Difference]: Without dead ends: 7119 [2018-11-28 12:31:16,770 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 560 GetRequests, 446 SyntacticMatches, 1 SemanticMatches, 113 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4803 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=2523, Invalid=10587, Unknown=0, NotChecked=0, Total=13110 [2018-11-28 12:31:16,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7119 states. [2018-11-28 12:31:16,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7119 to 4722. [2018-11-28 12:31:16,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4722 states. [2018-11-28 12:31:16,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4722 states to 4722 states and 5296 transitions. [2018-11-28 12:31:16,899 INFO L78 Accepts]: Start accepts. Automaton has 4722 states and 5296 transitions. Word has length 441 [2018-11-28 12:31:16,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:31:16,899 INFO L480 AbstractCegarLoop]: Abstraction has 4722 states and 5296 transitions. [2018-11-28 12:31:16,900 INFO L481 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-11-28 12:31:16,900 INFO L276 IsEmpty]: Start isEmpty. Operand 4722 states and 5296 transitions. [2018-11-28 12:31:16,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 540 [2018-11-28 12:31:16,908 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:31:16,908 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:31:16,908 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:31:16,908 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:31:16,909 INFO L82 PathProgramCache]: Analyzing trace with hash -1052267942, now seen corresponding path program 1 times [2018-11-28 12:31:16,909 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:31:16,909 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:31:16,909 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:31:16,910 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:31:16,910 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:31:16,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:31:17,597 INFO L134 CoverageAnalysis]: Checked inductivity of 959 backedges. 217 proven. 250 refuted. 0 times theorem prover too weak. 492 trivial. 0 not checked. [2018-11-28 12:31:17,597 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:31:17,597 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9f0b4153-715b-44f6-9064-d5fbbb78300c/bin-2019/uautomizer/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 12:31:17,603 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:31:17,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:31:17,668 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:31:17,774 INFO L134 CoverageAnalysis]: Checked inductivity of 959 backedges. 662 proven. 2 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2018-11-28 12:31:17,789 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 12:31:17,789 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 5] total 17 [2018-11-28 12:31:17,790 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-28 12:31:17,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-28 12:31:17,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2018-11-28 12:31:17,790 INFO L87 Difference]: Start difference. First operand 4722 states and 5296 transitions. Second operand 17 states. [2018-11-28 12:31:19,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:31:19,965 INFO L93 Difference]: Finished difference Result 9229 states and 10533 transitions. [2018-11-28 12:31:19,965 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-11-28 12:31:19,965 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 539 [2018-11-28 12:31:19,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:31:19,973 INFO L225 Difference]: With dead ends: 9229 [2018-11-28 12:31:19,973 INFO L226 Difference]: Without dead ends: 4658 [2018-11-28 12:31:19,980 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 617 GetRequests, 567 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 637 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=642, Invalid=2010, Unknown=0, NotChecked=0, Total=2652 [2018-11-28 12:31:19,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4658 states. [2018-11-28 12:31:20,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4658 to 4575. [2018-11-28 12:31:20,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4575 states. [2018-11-28 12:31:20,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4575 states to 4575 states and 5033 transitions. [2018-11-28 12:31:20,083 INFO L78 Accepts]: Start accepts. Automaton has 4575 states and 5033 transitions. Word has length 539 [2018-11-28 12:31:20,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:31:20,084 INFO L480 AbstractCegarLoop]: Abstraction has 4575 states and 5033 transitions. [2018-11-28 12:31:20,084 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-28 12:31:20,084 INFO L276 IsEmpty]: Start isEmpty. Operand 4575 states and 5033 transitions. [2018-11-28 12:31:20,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 556 [2018-11-28 12:31:20,093 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:31:20,093 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:31:20,093 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:31:20,093 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:31:20,094 INFO L82 PathProgramCache]: Analyzing trace with hash -317382302, now seen corresponding path program 1 times [2018-11-28 12:31:20,094 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:31:20,094 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:31:20,094 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:31:20,094 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:31:20,095 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:31:20,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:31:20,343 INFO L134 CoverageAnalysis]: Checked inductivity of 834 backedges. 547 proven. 48 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2018-11-28 12:31:20,343 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:31:20,343 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9f0b4153-715b-44f6-9064-d5fbbb78300c/bin-2019/uautomizer/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 12:31:20,351 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:31:20,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:31:20,427 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:31:20,623 INFO L134 CoverageAnalysis]: Checked inductivity of 834 backedges. 549 proven. 46 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2018-11-28 12:31:20,638 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 12:31:20,638 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 11 [2018-11-28 12:31:20,639 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-28 12:31:20,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-28 12:31:20,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2018-11-28 12:31:20,639 INFO L87 Difference]: Start difference. First operand 4575 states and 5033 transitions. Second operand 11 states. [2018-11-28 12:31:21,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:31:21,814 INFO L93 Difference]: Finished difference Result 11081 states and 12295 transitions. [2018-11-28 12:31:21,815 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-11-28 12:31:21,815 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 555 [2018-11-28 12:31:21,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:31:21,826 INFO L225 Difference]: With dead ends: 11081 [2018-11-28 12:31:21,826 INFO L226 Difference]: Without dead ends: 6661 [2018-11-28 12:31:21,831 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 591 GetRequests, 566 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=193, Invalid=407, Unknown=0, NotChecked=0, Total=600 [2018-11-28 12:31:21,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6661 states. [2018-11-28 12:31:21,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6661 to 5455. [2018-11-28 12:31:21,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5455 states. [2018-11-28 12:31:21,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5455 states to 5455 states and 5977 transitions. [2018-11-28 12:31:21,903 INFO L78 Accepts]: Start accepts. Automaton has 5455 states and 5977 transitions. Word has length 555 [2018-11-28 12:31:21,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:31:21,904 INFO L480 AbstractCegarLoop]: Abstraction has 5455 states and 5977 transitions. [2018-11-28 12:31:21,904 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-28 12:31:21,904 INFO L276 IsEmpty]: Start isEmpty. Operand 5455 states and 5977 transitions. [2018-11-28 12:31:21,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 592 [2018-11-28 12:31:21,910 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:31:21,910 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 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, 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] [2018-11-28 12:31:21,910 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:31:21,910 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:31:21,910 INFO L82 PathProgramCache]: Analyzing trace with hash -1593353382, now seen corresponding path program 1 times [2018-11-28 12:31:21,910 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:31:21,911 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:31:21,911 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:31:21,911 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:31:21,911 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:31:21,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:31:22,686 INFO L134 CoverageAnalysis]: Checked inductivity of 1312 backedges. 376 proven. 637 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2018-11-28 12:31:22,686 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:31:22,686 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9f0b4153-715b-44f6-9064-d5fbbb78300c/bin-2019/uautomizer/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 12:31:22,692 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:31:22,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:31:22,769 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:31:22,887 INFO L134 CoverageAnalysis]: Checked inductivity of 1312 backedges. 738 proven. 2 refuted. 0 times theorem prover too weak. 572 trivial. 0 not checked. [2018-11-28 12:31:22,902 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 12:31:22,903 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 5] total 21 [2018-11-28 12:31:22,903 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-11-28 12:31:22,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-11-28 12:31:22,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=343, Unknown=0, NotChecked=0, Total=420 [2018-11-28 12:31:22,903 INFO L87 Difference]: Start difference. First operand 5455 states and 5977 transitions. Second operand 21 states. [2018-11-28 12:31:25,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:31:25,732 INFO L93 Difference]: Finished difference Result 9912 states and 11157 transitions. [2018-11-28 12:31:25,732 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-11-28 12:31:25,732 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 591 [2018-11-28 12:31:25,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:31:25,733 INFO L225 Difference]: With dead ends: 9912 [2018-11-28 12:31:25,733 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 12:31:25,741 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 695 GetRequests, 632 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1119 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=911, Invalid=3249, Unknown=0, NotChecked=0, Total=4160 [2018-11-28 12:31:25,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 12:31:25,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 12:31:25,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 12:31:25,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 12:31:25,742 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 591 [2018-11-28 12:31:25,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:31:25,742 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 12:31:25,742 INFO L481 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-11-28 12:31:25,742 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 12:31:25,742 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 12:31:25,745 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 12:31:25,873 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:31:25,875 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:31:25,895 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:31:25,897 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:31:26,018 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:31:26,020 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:31:26,022 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:31:26,024 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:31:26,081 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:31:26,083 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:31:26,085 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:31:26,088 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:31:26,101 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:31:26,112 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:31:26,113 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:31:26,180 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:31:26,182 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:31:26,240 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:31:26,246 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:31:26,248 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:31:26,440 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:31:26,471 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:31:26,581 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:31:26,663 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:31:26,705 WARN L180 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 597 DAG size of output: 469 [2018-11-28 12:31:26,710 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:31:26,712 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:31:26,714 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:31:26,718 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:31:26,730 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:31:26,741 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:31:26,742 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:31:26,807 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:31:26,809 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:31:26,865 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:31:26,871 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:31:26,872 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:31:27,096 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:31:27,125 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:31:27,230 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:31:27,307 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:31:27,351 WARN L180 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 597 DAG size of output: 469 [2018-11-28 12:31:29,141 WARN L180 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 478 DAG size of output: 116 [2018-11-28 12:31:30,756 WARN L180 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 473 DAG size of output: 91 [2018-11-28 12:31:32,360 WARN L180 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 473 DAG size of output: 91 [2018-11-28 12:31:32,361 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 12:31:32,362 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)|)) [2018-11-28 12:31:32,362 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 12:31:32,362 INFO L448 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-11-28 12:31:32,362 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 12:31:32,362 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 12:31:32,362 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 12:31:32,362 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 12:31:32,362 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 12:31:32,362 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 12:31:32,362 INFO L448 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-11-28 12:31:32,362 INFO L448 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-11-28 12:31:32,362 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-28 12:31:32,362 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-28 12:31:32,362 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-28 12:31:32,362 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-28 12:31:32,363 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-28 12:31:32,363 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-28 12:31:32,363 INFO L448 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-11-28 12:31:32,363 INFO L448 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-11-28 12:31:32,363 INFO L448 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-11-28 12:31:32,363 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 12:31:32,363 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 12:31:32,363 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 12:31:32,363 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 12:31:32,363 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 12:31:32,363 INFO L448 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-11-28 12:31:32,363 INFO L448 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-11-28 12:31:32,363 INFO L448 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-11-28 12:31:32,363 INFO L448 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-11-28 12:31:32,363 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-28 12:31:32,363 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-28 12:31:32,364 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-28 12:31:32,364 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-28 12:31:32,364 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-28 12:31:32,364 INFO L448 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-11-28 12:31:32,364 INFO L448 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-11-28 12:31:32,364 INFO L448 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-11-28 12:31:32,364 INFO L448 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-11-28 12:31:32,364 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-11-28 12:31:32,364 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 12:31:32,364 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 12:31:32,364 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 12:31:32,364 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 12:31:32,364 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 12:31:32,364 INFO L448 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-11-28 12:31:32,364 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-28 12:31:32,364 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-28 12:31:32,365 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-28 12:31:32,365 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-28 12:31:32,365 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-28 12:31:32,365 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 73) no Hoare annotation was computed. [2018-11-28 12:31:32,365 INFO L448 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-11-28 12:31:32,365 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-11-28 12:31:32,365 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-11-28 12:31:32,365 INFO L448 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-11-28 12:31:32,365 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 12:31:32,365 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 12:31:32,365 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 12:31:32,365 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 12:31:32,365 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 12:31:32,365 INFO L448 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-11-28 12:31:32,366 INFO L448 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-11-28 12:31:32,366 INFO L448 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-11-28 12:31:32,366 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-28 12:31:32,366 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-28 12:31:32,366 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-28 12:31:32,366 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-28 12:31:32,366 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-28 12:31:32,366 INFO L448 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-11-28 12:31:32,366 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-11-28 12:31:32,366 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-11-28 12:31:32,366 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-11-28 12:31:32,366 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-11-28 12:31:32,366 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 12:31:32,366 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 12:31:32,366 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 12:31:32,366 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 12:31:32,366 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 12:31:32,367 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-28 12:31:32,367 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-28 12:31:32,367 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-28 12:31:32,367 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-28 12:31:32,367 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-28 12:31:32,367 INFO L448 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-11-28 12:31:32,367 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-11-28 12:31:32,367 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-11-28 12:31:32,367 INFO L448 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-11-28 12:31:32,368 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 12:31:32,368 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 12:31:32,368 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 12:31:32,368 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 12:31:32,368 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 12:31:32,368 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2018-11-28 12:31:32,368 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2018-11-28 12:31:32,368 INFO L448 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-11-28 12:31:32,368 INFO L448 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-11-28 12:31:32,368 INFO L448 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-11-28 12:31:32,369 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-11-28 12:31:32,369 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-28 12:31:32,369 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-28 12:31:32,369 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-28 12:31:32,369 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-28 12:31:32,369 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-28 12:31:32,369 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-11-28 12:31:32,369 INFO L448 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-11-28 12:31:32,369 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-11-28 12:31:32,369 INFO L448 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-11-28 12:31:32,369 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 12:31:32,369 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 12:31:32,369 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 12:31:32,369 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 12:31:32,369 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-11-28 12:31:32,369 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 12:31:32,370 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2018-11-28 12:31:32,370 INFO L448 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-11-28 12:31:32,370 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-11-28 12:31:32,370 INFO L448 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-11-28 12:31:32,370 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-28 12:31:32,370 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-28 12:31:32,370 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-28 12:31:32,370 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-28 12:31:32,370 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-28 12:31:32,370 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-28 12:31:32,370 INFO L448 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-11-28 12:31:32,370 INFO L448 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-11-28 12:31:32,370 INFO L448 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-11-28 12:31:32,370 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-11-28 12:31:32,370 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 12:31:32,370 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 12:31:32,371 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 12:31:32,371 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 12:31:32,371 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 12:31:32,371 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 12:31:32,371 INFO L448 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-11-28 12:31:32,371 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-11-28 12:31:32,371 INFO L448 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-11-28 12:31:32,371 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-28 12:31:32,371 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-28 12:31:32,371 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-28 12:31:32,371 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-28 12:31:32,371 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-28 12:31:32,371 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-28 12:31:32,371 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-11-28 12:31:32,371 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-11-28 12:31:32,372 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse21 (= 9 |old(~a19~0)|))) (let ((.cse25 (= 2 |old(~a10~0)|)) (.cse23 (= 4 |old(~a10~0)|)) (.cse19 (< |old(~a1~0)| 219)) (.cse3 (not .cse21)) (.cse26 (= ~a19~0 |old(~a19~0)|)) (.cse15 (= ~a1~0 |old(~a1~0)|)) (.cse10 (= |old(~a19~0)| ~a19~0)) (.cse11 (= |old(~a10~0)| ~a10~0))) (let ((.cse4 (<= |old(~a1~0)| 38)) (.cse14 (= 9 ~a19~0)) (.cse18 (< 589865 |old(~a1~0)|)) (.cse22 (and .cse10 .cse11)) (.cse13 (< 12 |old(~a1~0)|)) (.cse5 (= 8 |old(~a19~0)|)) (.cse6 (< 1 |old(~a10~0)|)) (.cse20 (and .cse26 .cse11 .cse15)) (.cse9 (< 8 |old(~a19~0)|)) (.cse24 (or .cse23 .cse19 .cse3)) (.cse16 (not .cse25)) (.cse0 (and .cse15 .cse26 .cse11)) (.cse7 (< |old(~a10~0)| 1)) (.cse8 (< 505232 |old(~a1~0)|)) (.cse12 (= 1 |old(~a10~0)|)) (.cse1 (not (= 14 ~a4~0))) (.cse2 (not (= 0 ~a12~0)))) (and (or (not (= 0 |old(~a10~0)|)) .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5 .cse6 .cse7 .cse0 .cse2 .cse8) (or .cse9 (and (< 38 ~a1~0) .cse10 .cse11) .cse4 .cse12) (or .cse1 .cse2 .cse3 .cse13 (and .cse11 .cse14 .cse15) .cse16) (or (forall ((v_prenex_2 Int)) (let ((.cse17 (* 9 v_prenex_2))) (or (< 505232 v_prenex_2) (< (div .cse17 10) (+ |old(~a1~0)| 545163)) (< .cse17 0) (<= v_prenex_2 218)))) (and .cse10 .cse11 .cse15) .cse9 .cse12) (or .cse7 .cse18 .cse19 .cse1 .cse0 .cse2 .cse5 .cse6) (or .cse20 (or .cse1 .cse2 (or .cse21 .cse8 (< 0 |old(~a10~0)|) (< |old(~a19~0)| 9)))) (or .cse22 .cse9 .cse12 .cse23) (or (or .cse7 .cse1 .cse2 (or (< 0 (+ |old(~a1~0)| 13)) .cse3)) (and .cse15 .cse11 .cse14)) (or (<= 219 ~a1~0) .cse19 .cse9) (or .cse22 .cse19 .cse9) (or .cse0 .cse7 .cse18 .cse1 .cse2 .cse24) (or .cse22 .cse9 .cse5) (or .cse0 .cse1 .cse21 .cse13 .cse5 .cse6 .cse7 .cse2) (or .cse7 (< 0 (+ |old(~a1~0)| 14285)) .cse20 .cse9 .cse1 .cse2 .cse25 .cse12) (or .cse1 .cse2 .cse24 .cse16 .cse0) (or .cse0 (or .cse7 .cse8 .cse25 .cse12) .cse1 .cse2 .cse3))))) [2018-11-28 12:31:32,372 INFO L448 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-11-28 12:31:32,372 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-11-28 12:31:32,372 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-11-28 12:31:32,372 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 12:31:32,372 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 12:31:32,372 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 12:31:32,372 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 12:31:32,372 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 12:31:32,372 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 12:31:32,372 INFO L448 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-11-28 12:31:32,372 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-28 12:31:32,373 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-28 12:31:32,373 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-28 12:31:32,373 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-28 12:31:32,373 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-28 12:31:32,373 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-28 12:31:32,373 INFO L448 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-11-28 12:31:32,373 INFO L448 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-11-28 12:31:32,373 INFO L448 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-11-28 12:31:32,373 INFO L448 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-11-28 12:31:32,373 INFO L448 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-11-28 12:31:32,373 INFO L448 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-11-28 12:31:32,373 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 12:31:32,373 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 12:31:32,373 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 12:31:32,373 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 12:31:32,373 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 12:31:32,373 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 12:31:32,374 INFO L448 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-11-28 12:31:32,374 INFO L448 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-11-28 12:31:32,374 INFO L448 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-11-28 12:31:32,374 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-28 12:31:32,374 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-28 12:31:32,374 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-28 12:31:32,374 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-28 12:31:32,374 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-28 12:31:32,374 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-28 12:31:32,374 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-11-28 12:31:32,374 INFO L448 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-11-28 12:31:32,374 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-11-28 12:31:32,374 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 12:31:32,374 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 12:31:32,374 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 12:31:32,374 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 12:31:32,375 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 12:31:32,375 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 12:31:32,375 INFO L448 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-11-28 12:31:32,375 INFO L448 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-11-28 12:31:32,375 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-11-28 12:31:32,375 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-28 12:31:32,375 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-28 12:31:32,375 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-28 12:31:32,375 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-28 12:31:32,375 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-28 12:31:32,375 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-28 12:31:32,375 INFO L448 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-11-28 12:31:32,375 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-11-28 12:31:32,375 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-11-28 12:31:32,375 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 12:31:32,376 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= 23 ~a1~0) (= 0 ~a10~0) (<= ~a1~0 23) (= ~a12~0 0) (= ~a4~0 14) (= 9 ~a19~0)) [2018-11-28 12:31:32,376 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 12:31:32,376 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 12:31:32,376 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (< |old(~a1~0)| 23) (not (= 14 ~a4~0)) (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(~a10~0)| ~a10~0)) (< 23 |old(~a1~0)|) (not (= 0 ~a12~0)) (not (= 9 |old(~a19~0)|)) (not (= 0 |old(~a10~0)|))) [2018-11-28 12:31:32,376 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2018-11-28 12:31:32,376 INFO L444 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (let ((.cse1 (<= ~a1~0 589865)) (.cse8 (<= ~a10~0 1)) (.cse9 (not (= ~a19~0 8))) (.cse6 (not (= ~a19~0 9))) (.cse5 (<= ~a1~0 505232)) (.cse4 (not (= ~a10~0 4))) (.cse2 (= |old(~a19~0)| ~a19~0)) (.cse13 (= 1 ~a10~0)) (.cse3 (<= 219 ~a1~0)) (.cse11 (< 38 ~a1~0)) (.cse10 (<= ~a19~0 8)) (.cse0 (<= 1 ~a10~0)) (.cse7 (not (= ~a10~0 1))) (.cse12 (<= ~a1~0 12)) (.cse14 (= 9 ~a19~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (< |old(~a1~0)| 23) (not (= 0 ~a12~0)) (not (= 0 |old(~a10~0)|)) (< 23 |old(~a1~0)|) (and (and .cse5 .cse6 .cse7) .cse8) (and (and (and .cse3 .cse0) .cse8) .cse1) (and .cse9 .cse10) (and (and .cse5 .cse11 .cse9 .cse6) .cse8) (and .cse12 (and .cse9 .cse13 .cse6)) (and .cse5 (not (= ~a10~0 2)) .cse2 .cse7 .cse0) (not (= 9 |old(~a19~0)|)) (and (and (<= ~a1~0 218) .cse11 .cse13) .cse14) (and (= 2 ~a10~0) .cse2 .cse3) (and .cse10 .cse7 .cse4) (and (and .cse2 (<= (+ ~a1~0 13) 0)) .cse13) (and (<= (+ ~a1~0 14285) 0) (and .cse10 .cse7)) (not (= 14 ~a4~0)) (and (= 8 ~a19~0) .cse3) (and .cse11 .cse10 .cse7) (and (= 0 ~a10~0) .cse14) (and (and .cse0 .cse7) .cse12 .cse14))) [2018-11-28 12:31:32,376 INFO L448 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2018-11-28 12:31:32,376 INFO L448 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-11-28 12:31:32,376 INFO L444 ceAbstractionStarter]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse1 (<= ~a1~0 589865)) (.cse8 (<= ~a10~0 1)) (.cse9 (not (= ~a19~0 8))) (.cse6 (not (= ~a19~0 9))) (.cse5 (<= ~a1~0 505232)) (.cse4 (not (= ~a10~0 4))) (.cse2 (= |old(~a19~0)| ~a19~0)) (.cse13 (= 1 ~a10~0)) (.cse3 (<= 219 ~a1~0)) (.cse11 (< 38 ~a1~0)) (.cse10 (<= ~a19~0 8)) (.cse0 (<= 1 ~a10~0)) (.cse7 (not (= ~a10~0 1))) (.cse12 (<= ~a1~0 12)) (.cse14 (= 9 ~a19~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (< |old(~a1~0)| 23) (not (= 0 ~a12~0)) (not (= 0 |old(~a10~0)|)) (< 23 |old(~a1~0)|) (and (and .cse5 .cse6 .cse7) .cse8) (and (and (and .cse3 .cse0) .cse8) .cse1) (and .cse9 .cse10) (and (and .cse5 .cse11 .cse9 .cse6) .cse8) (and .cse12 (and .cse9 .cse13 .cse6)) (and .cse5 (not (= ~a10~0 2)) .cse2 .cse7 .cse0) (not (= 9 |old(~a19~0)|)) (and (and (<= ~a1~0 218) .cse11 .cse13) .cse14) (and (= 2 ~a10~0) .cse2 .cse3) (and .cse10 .cse7 .cse4) (and (and .cse2 (<= (+ ~a1~0 13) 0)) .cse13) (and (<= (+ ~a1~0 14285) 0) (and .cse10 .cse7)) (not (= 14 ~a4~0)) (and (= 8 ~a19~0) .cse3) (and .cse11 .cse10 .cse7) (and (= 0 ~a10~0) .cse14) (and (and .cse0 .cse7) .cse12 .cse14))) [2018-11-28 12:31:32,377 INFO L448 ceAbstractionStarter]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2018-11-28 12:31:32,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:31:32 BoogieIcfgContainer [2018-11-28 12:31:32,395 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 12:31:32,395 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 12:31:32,395 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 12:31:32,395 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 12:31:32,395 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:30:38" (3/4) ... [2018-11-28 12:31:32,406 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 12:31:32,412 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 12:31:32,413 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-28 12:31:32,413 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 12:31:32,420 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-28 12:31:32,421 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-28 12:31:32,440 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((1 <= a10 && a1 <= 589865) && \old(a19) == a19) && 219 <= a1) && !(a10 == 4)) || \old(a1) < 23) || !(0 == a12)) || !(0 == \old(a10))) || 23 < \old(a1)) || (((a1 <= 505232 && !(a19 == 9)) && !(a10 == 1)) && a10 <= 1)) || (((219 <= a1 && 1 <= a10) && a10 <= 1) && a1 <= 589865)) || (!(a19 == 8) && a19 <= 8)) || ((((a1 <= 505232 && 38 < a1) && !(a19 == 8)) && !(a19 == 9)) && a10 <= 1)) || (a1 <= 12 && (!(a19 == 8) && 1 == a10) && !(a19 == 9))) || ((((a1 <= 505232 && !(a10 == 2)) && \old(a19) == a19) && !(a10 == 1)) && 1 <= a10)) || !(9 == \old(a19))) || (((a1 <= 218 && 38 < a1) && 1 == a10) && 9 == a19)) || ((2 == a10 && \old(a19) == a19) && 219 <= a1)) || ((a19 <= 8 && !(a10 == 1)) && !(a10 == 4))) || ((\old(a19) == a19 && a1 + 13 <= 0) && 1 == a10)) || (a1 + 14285 <= 0 && a19 <= 8 && !(a10 == 1))) || !(14 == a4)) || (8 == a19 && 219 <= a1)) || ((38 < a1 && a19 <= 8) && !(a10 == 1))) || (0 == a10 && 9 == a19)) || (((1 <= a10 && !(a10 == 1)) && a1 <= 12) && 9 == a19) [2018-11-28 12:31:32,506 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_9f0b4153-715b-44f6-9064-d5fbbb78300c/bin-2019/uautomizer/witness.graphml [2018-11-28 12:31:32,506 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 12:31:32,507 INFO L168 Benchmark]: Toolchain (without parser) took 55448.52 ms. Allocated memory was 1.0 GB in the beginning and 2.4 GB in the end (delta: 1.4 GB). Free memory was 951.7 MB in the beginning and 1.9 GB in the end (delta: -943.8 MB). Peak memory consumption was 406.2 MB. Max. memory is 11.5 GB. [2018-11-28 12:31:32,507 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:31:32,508 INFO L168 Benchmark]: CACSL2BoogieTranslator took 464.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 951.7 MB in the beginning and 1.2 GB in the end (delta: -200.0 MB). Peak memory consumption was 55.1 MB. Max. memory is 11.5 GB. [2018-11-28 12:31:32,508 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.38 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-28 12:31:32,508 INFO L168 Benchmark]: Boogie Preprocessor took 56.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. [2018-11-28 12:31:32,508 INFO L168 Benchmark]: RCFGBuilder took 1298.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 100.5 MB). Peak memory consumption was 100.5 MB. Max. memory is 11.5 GB. [2018-11-28 12:31:32,509 INFO L168 Benchmark]: TraceAbstraction took 53483.08 ms. Allocated memory was 1.2 GB in the beginning and 2.4 GB in the end (delta: 1.2 GB). Free memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: -882.1 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. [2018-11-28 12:31:32,509 INFO L168 Benchmark]: Witness Printer took 111.53 ms. Allocated memory is still 2.4 GB. Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 28.7 MB). Peak memory consumption was 28.7 MB. Max. memory is 11.5 GB. [2018-11-28 12:31:32,510 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 464.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 951.7 MB in the beginning and 1.2 GB in the end (delta: -200.0 MB). Peak memory consumption was 55.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.38 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 56.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1298.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 100.5 MB). Peak memory consumption was 100.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 53483.08 ms. Allocated memory was 1.2 GB in the beginning and 2.4 GB in the end (delta: 1.2 GB). Free memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: -882.1 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. * Witness Printer took 111.53 ms. Allocated memory is still 2.4 GB. Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 28.7 MB). Peak memory consumption was 28.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 73]: 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: ((((((((((((((((((((((((1 <= a10 && a1 <= 589865) && \old(a19) == a19) && 219 <= a1) && !(a10 == 4)) || \old(a1) < 23) || !(0 == a12)) || !(0 == \old(a10))) || 23 < \old(a1)) || (((a1 <= 505232 && !(a19 == 9)) && !(a10 == 1)) && a10 <= 1)) || (((219 <= a1 && 1 <= a10) && a10 <= 1) && a1 <= 589865)) || (!(a19 == 8) && a19 <= 8)) || ((((a1 <= 505232 && 38 < a1) && !(a19 == 8)) && !(a19 == 9)) && a10 <= 1)) || (a1 <= 12 && (!(a19 == 8) && 1 == a10) && !(a19 == 9))) || ((((a1 <= 505232 && !(a10 == 2)) && \old(a19) == a19) && !(a10 == 1)) && 1 <= a10)) || !(9 == \old(a19))) || (((a1 <= 218 && 38 < a1) && 1 == a10) && 9 == a19)) || ((2 == a10 && \old(a19) == a19) && 219 <= a1)) || ((a19 <= 8 && !(a10 == 1)) && !(a10 == 4))) || ((\old(a19) == a19 && a1 + 13 <= 0) && 1 == a10)) || (a1 + 14285 <= 0 && a19 <= 8 && !(a10 == 1))) || !(14 == a4)) || (8 == a19 && 219 <= a1)) || ((38 < a1 && a19 <= 8) && !(a10 == 1))) || (0 == a10 && 9 == a19)) || (((1 <= a10 && !(a10 == 1)) && a1 <= 12) && 9 == a19) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. SAFE Result, 53.4s OverallTime, 12 OverallIterations, 7 TraceHistogramMax, 38.7s AutomataDifference, 0.0s DeadEndRemovalTime, 6.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 624 SDtfs, 18856 SDslu, 1282 SDs, 0 SdLazy, 24596 SolverSat, 5228 SolverUnsat, 11 SolverUnknown, 0 SolverNotchecked, 26.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4097 GetRequests, 3734 SyntacticMatches, 18 SemanticMatches, 345 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7056 ImplicationChecksByTransitivity, 10.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7056occurred in iteration=8, 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: 1.0s AutomataMinimizationTime, 12 MinimizatonAttempts, 7587 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 413 PreInvPairs, 597 NumberOfFragments, 1060 HoareAnnotationTreeSize, 413 FomulaSimplifications, 550022 FormulaSimplificationTreeSizeReduction, 1.6s HoareSimplificationTime, 7 FomulaSimplificationsInter, 121829 FormulaSimplificationTreeSizeReductionInter, 4.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 7623 NumberOfCodeBlocks, 7623 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 7602 ConstructedInterpolants, 58 QuantifiedInterpolants, 14682594 SizeOfPredicates, 15 NumberOfNonLiveVariables, 5625 ConjunctsInSsa, 74 ConjunctsInUnsatCore, 21 InterpolantComputations, 5 PerfectInterpolantSequences, 7464/9865 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...