./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label18_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_be60b87d-f1f8-4b96-9a0c-8b48285fd903/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_be60b87d-f1f8-4b96-9a0c-8b48285fd903/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_be60b87d-f1f8-4b96-9a0c-8b48285fd903/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_be60b87d-f1f8-4b96-9a0c-8b48285fd903/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label18_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_be60b87d-f1f8-4b96-9a0c-8b48285fd903/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_be60b87d-f1f8-4b96-9a0c-8b48285fd903/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 0b1eb39f0e741b958206d9dc54aeed5270272676 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 21:56:18,895 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 21:56:18,897 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 21:56:18,911 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 21:56:18,912 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 21:56:18,913 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 21:56:18,916 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 21:56:18,917 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 21:56:18,919 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 21:56:18,920 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 21:56:18,921 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 21:56:18,921 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 21:56:18,922 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 21:56:18,923 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 21:56:18,924 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 21:56:18,925 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 21:56:18,926 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 21:56:18,928 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 21:56:18,930 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 21:56:18,931 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 21:56:18,932 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 21:56:18,934 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 21:56:18,936 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 21:56:18,936 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 21:56:18,936 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 21:56:18,937 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 21:56:18,939 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 21:56:18,939 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 21:56:18,940 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 21:56:18,941 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 21:56:18,941 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 21:56:18,942 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 21:56:18,942 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 21:56:18,942 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 21:56:18,943 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 21:56:18,945 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 21:56:18,945 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_be60b87d-f1f8-4b96-9a0c-8b48285fd903/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-10-26 21:56:18,957 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 21:56:18,958 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 21:56:18,958 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 21:56:18,959 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 21:56:18,959 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 21:56:18,960 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 21:56:18,960 INFO L133 SettingsManager]: * Use SBE=true [2018-10-26 21:56:18,960 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 21:56:18,960 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 21:56:18,961 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 21:56:18,961 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 21:56:18,961 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 21:56:18,961 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 21:56:18,961 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 21:56:18,961 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 21:56:18,961 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 21:56:18,962 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 21:56:18,962 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 21:56:18,962 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 21:56:18,962 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 21:56:18,962 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 21:56:18,962 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 21:56:18,963 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 21:56:18,963 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 21:56:18,963 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 21:56:18,963 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 21:56:18,966 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-26 21:56:18,966 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 21:56:18,966 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 21:56:18,966 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_be60b87d-f1f8-4b96-9a0c-8b48285fd903/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 -> 0b1eb39f0e741b958206d9dc54aeed5270272676 [2018-10-26 21:56:18,997 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 21:56:19,008 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 21:56:19,012 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 21:56:19,013 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 21:56:19,014 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 21:56:19,014 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_be60b87d-f1f8-4b96-9a0c-8b48285fd903/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem02_label18_true-unreach-call_false-termination.c [2018-10-26 21:56:19,069 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_be60b87d-f1f8-4b96-9a0c-8b48285fd903/bin-2019/uautomizer/data/4d3279131/e5d026e01461433f8a47ce6cd168d6fc/FLAG825fbac23 [2018-10-26 21:56:19,603 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 21:56:19,604 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_be60b87d-f1f8-4b96-9a0c-8b48285fd903/sv-benchmarks/c/eca-rers2012/Problem02_label18_true-unreach-call_false-termination.c [2018-10-26 21:56:19,622 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_be60b87d-f1f8-4b96-9a0c-8b48285fd903/bin-2019/uautomizer/data/4d3279131/e5d026e01461433f8a47ce6cd168d6fc/FLAG825fbac23 [2018-10-26 21:56:19,647 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_be60b87d-f1f8-4b96-9a0c-8b48285fd903/bin-2019/uautomizer/data/4d3279131/e5d026e01461433f8a47ce6cd168d6fc [2018-10-26 21:56:19,652 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 21:56:19,654 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-26 21:56:19,655 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 21:56:19,655 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 21:56:19,659 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 21:56:19,661 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:56:19" (1/1) ... [2018-10-26 21:56:19,664 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ecf86f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:56:19, skipping insertion in model container [2018-10-26 21:56:19,664 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:56:19" (1/1) ... [2018-10-26 21:56:19,678 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 21:56:19,743 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 21:56:20,179 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:56:20,183 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 21:56:20,308 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:56:20,324 INFO L193 MainTranslator]: Completed translation [2018-10-26 21:56:20,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:56:20 WrapperNode [2018-10-26 21:56:20,325 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 21:56:20,325 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 21:56:20,326 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 21:56:20,326 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 21:56:20,341 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:56:20" (1/1) ... [2018-10-26 21:56:20,342 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:56:20" (1/1) ... [2018-10-26 21:56:20,373 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:56:20" (1/1) ... [2018-10-26 21:56:20,373 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:56:20" (1/1) ... [2018-10-26 21:56:20,490 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:56:20" (1/1) ... [2018-10-26 21:56:20,511 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:56:20" (1/1) ... [2018-10-26 21:56:20,517 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:56:20" (1/1) ... [2018-10-26 21:56:20,524 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 21:56:20,525 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 21:56:20,525 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 21:56:20,525 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 21:56:20,526 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:56:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_be60b87d-f1f8-4b96-9a0c-8b48285fd903/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 [2018-10-26 21:56:20,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 21:56:20,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 21:56:20,609 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-26 21:56:20,609 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 21:56:20,610 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-26 21:56:20,610 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-10-26 21:56:20,610 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-10-26 21:56:20,610 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-26 21:56:20,610 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 21:56:20,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 21:56:20,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 21:56:23,774 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 21:56:23,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:56:23 BoogieIcfgContainer [2018-10-26 21:56:23,775 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 21:56:23,784 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 21:56:23,784 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 21:56:23,788 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 21:56:23,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 09:56:19" (1/3) ... [2018-10-26 21:56:23,789 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56fb1895 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 09:56:23, skipping insertion in model container [2018-10-26 21:56:23,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:56:20" (2/3) ... [2018-10-26 21:56:23,789 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56fb1895 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 09:56:23, skipping insertion in model container [2018-10-26 21:56:23,791 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:56:23" (3/3) ... [2018-10-26 21:56:23,793 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label18_true-unreach-call_false-termination.c [2018-10-26 21:56:23,806 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 21:56:23,815 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 21:56:23,834 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 21:56:23,874 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-26 21:56:23,875 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 21:56:23,875 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 21:56:23,875 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 21:56:23,875 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 21:56:23,876 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 21:56:23,876 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 21:56:23,876 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 21:56:23,876 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 21:56:23,900 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-10-26 21:56:23,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-10-26 21:56:23,913 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:56:23,914 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:56:23,917 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:56:23,924 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:56:23,924 INFO L82 PathProgramCache]: Analyzing trace with hash 1505826544, now seen corresponding path program 1 times [2018-10-26 21:56:23,926 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 21:56:23,927 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 21:56:23,980 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:56:23,980 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:56:23,980 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:56:24,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:56:24,525 WARN L179 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-26 21:56:24,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:56:24,714 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:56:24,715 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 21:56:24,721 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 21:56:24,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 21:56:24,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 21:56:24,741 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 3 states. [2018-10-26 21:56:26,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:56:26,188 INFO L93 Difference]: Finished difference Result 621 states and 1059 transitions. [2018-10-26 21:56:26,190 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 21:56:26,192 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 134 [2018-10-26 21:56:26,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:56:26,211 INFO L225 Difference]: With dead ends: 621 [2018-10-26 21:56:26,211 INFO L226 Difference]: Without dead ends: 382 [2018-10-26 21:56:26,217 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 21:56:26,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2018-10-26 21:56:26,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 382. [2018-10-26 21:56:26,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2018-10-26 21:56:26,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 608 transitions. [2018-10-26 21:56:26,292 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 608 transitions. Word has length 134 [2018-10-26 21:56:26,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:56:26,294 INFO L481 AbstractCegarLoop]: Abstraction has 382 states and 608 transitions. [2018-10-26 21:56:26,295 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 21:56:26,295 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 608 transitions. [2018-10-26 21:56:26,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-10-26 21:56:26,302 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:56:26,302 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:56:26,302 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:56:26,303 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:56:26,303 INFO L82 PathProgramCache]: Analyzing trace with hash -979589059, now seen corresponding path program 1 times [2018-10-26 21:56:26,303 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 21:56:26,303 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 21:56:26,304 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:56:26,305 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:56:26,305 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:56:26,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:56:26,711 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:56:26,712 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:56:26,712 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-26 21:56:26,715 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-26 21:56:26,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-26 21:56:26,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-26 21:56:26,717 INFO L87 Difference]: Start difference. First operand 382 states and 608 transitions. Second operand 5 states. [2018-10-26 21:56:28,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:56:28,029 INFO L93 Difference]: Finished difference Result 903 states and 1497 transitions. [2018-10-26 21:56:28,030 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 21:56:28,030 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 143 [2018-10-26 21:56:28,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:56:28,033 INFO L225 Difference]: With dead ends: 903 [2018-10-26 21:56:28,033 INFO L226 Difference]: Without dead ends: 381 [2018-10-26 21:56:28,038 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-26 21:56:28,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2018-10-26 21:56:28,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 381. [2018-10-26 21:56:28,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2018-10-26 21:56:28,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 602 transitions. [2018-10-26 21:56:28,068 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 602 transitions. Word has length 143 [2018-10-26 21:56:28,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:56:28,069 INFO L481 AbstractCegarLoop]: Abstraction has 381 states and 602 transitions. [2018-10-26 21:56:28,069 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-26 21:56:28,069 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 602 transitions. [2018-10-26 21:56:28,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-10-26 21:56:28,073 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:56:28,074 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:56:28,074 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:56:28,074 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:56:28,074 INFO L82 PathProgramCache]: Analyzing trace with hash 730905649, now seen corresponding path program 1 times [2018-10-26 21:56:28,074 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 21:56:28,075 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 21:56:28,077 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:56:28,077 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:56:28,077 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:56:28,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:56:28,385 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:56:28,386 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:56:28,386 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-26 21:56:28,386 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-26 21:56:28,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-26 21:56:28,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-26 21:56:28,387 INFO L87 Difference]: Start difference. First operand 381 states and 602 transitions. Second operand 5 states. [2018-10-26 21:56:29,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:56:29,425 INFO L93 Difference]: Finished difference Result 901 states and 1482 transitions. [2018-10-26 21:56:29,427 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 21:56:29,427 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149 [2018-10-26 21:56:29,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:56:29,429 INFO L225 Difference]: With dead ends: 901 [2018-10-26 21:56:29,430 INFO L226 Difference]: Without dead ends: 380 [2018-10-26 21:56:29,436 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-26 21:56:29,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2018-10-26 21:56:29,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 380. [2018-10-26 21:56:29,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 380 states. [2018-10-26 21:56:29,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 594 transitions. [2018-10-26 21:56:29,462 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 594 transitions. Word has length 149 [2018-10-26 21:56:29,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:56:29,463 INFO L481 AbstractCegarLoop]: Abstraction has 380 states and 594 transitions. [2018-10-26 21:56:29,463 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-26 21:56:29,463 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 594 transitions. [2018-10-26 21:56:29,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-10-26 21:56:29,466 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:56:29,466 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1] [2018-10-26 21:56:29,466 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:56:29,467 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:56:29,467 INFO L82 PathProgramCache]: Analyzing trace with hash 1585246906, now seen corresponding path program 1 times [2018-10-26 21:56:29,467 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 21:56:29,467 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 21:56:29,472 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:56:29,474 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:56:29,474 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:56:29,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:56:29,716 WARN L179 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-26 21:56:29,830 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:56:29,830 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:56:29,830 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-26 21:56:29,831 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 21:56:29,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 21:56:29,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-26 21:56:29,832 INFO L87 Difference]: Start difference. First operand 380 states and 594 transitions. Second operand 6 states. [2018-10-26 21:56:32,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:56:32,692 INFO L93 Difference]: Finished difference Result 1193 states and 1942 transitions. [2018-10-26 21:56:32,693 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-26 21:56:32,693 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 157 [2018-10-26 21:56:32,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:56:32,696 INFO L225 Difference]: With dead ends: 1193 [2018-10-26 21:56:32,697 INFO L226 Difference]: Without dead ends: 819 [2018-10-26 21:56:32,698 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-26 21:56:32,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 819 states. [2018-10-26 21:56:32,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 819 to 807. [2018-10-26 21:56:32,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 807 states. [2018-10-26 21:56:32,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 807 states and 1208 transitions. [2018-10-26 21:56:32,732 INFO L78 Accepts]: Start accepts. Automaton has 807 states and 1208 transitions. Word has length 157 [2018-10-26 21:56:32,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:56:32,732 INFO L481 AbstractCegarLoop]: Abstraction has 807 states and 1208 transitions. [2018-10-26 21:56:32,733 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 21:56:32,733 INFO L276 IsEmpty]: Start isEmpty. Operand 807 states and 1208 transitions. [2018-10-26 21:56:32,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-10-26 21:56:32,737 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:56:32,737 INFO L375 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, 1, 1, 1] [2018-10-26 21:56:32,738 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:56:32,738 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:56:32,738 INFO L82 PathProgramCache]: Analyzing trace with hash 1163301558, now seen corresponding path program 1 times [2018-10-26 21:56:32,738 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 21:56:32,739 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 21:56:32,739 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:56:32,741 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:56:32,741 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:56:32,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:56:33,092 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:56:33,092 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:56:33,093 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-26 21:56:33,093 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-26 21:56:33,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-26 21:56:33,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-26 21:56:33,094 INFO L87 Difference]: Start difference. First operand 807 states and 1208 transitions. Second operand 5 states. [2018-10-26 21:56:33,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:56:33,813 INFO L93 Difference]: Finished difference Result 1753 states and 2669 transitions. [2018-10-26 21:56:33,827 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 21:56:33,828 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 159 [2018-10-26 21:56:33,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:56:33,834 INFO L225 Difference]: With dead ends: 1753 [2018-10-26 21:56:33,834 INFO L226 Difference]: Without dead ends: 804 [2018-10-26 21:56:33,837 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-26 21:56:33,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 804 states. [2018-10-26 21:56:33,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 804 to 804. [2018-10-26 21:56:33,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 804 states. [2018-10-26 21:56:33,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 804 states and 1190 transitions. [2018-10-26 21:56:33,866 INFO L78 Accepts]: Start accepts. Automaton has 804 states and 1190 transitions. Word has length 159 [2018-10-26 21:56:33,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:56:33,866 INFO L481 AbstractCegarLoop]: Abstraction has 804 states and 1190 transitions. [2018-10-26 21:56:33,866 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-26 21:56:33,867 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 1190 transitions. [2018-10-26 21:56:33,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-10-26 21:56:33,871 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:56:33,871 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:56:33,872 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:56:33,872 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:56:33,872 INFO L82 PathProgramCache]: Analyzing trace with hash 2009891506, now seen corresponding path program 1 times [2018-10-26 21:56:33,872 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 21:56:33,872 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 21:56:33,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:56:33,873 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:56:33,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:56:33,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:56:34,130 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:56:34,130 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:56:34,130 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-26 21:56:34,130 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-26 21:56:34,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-26 21:56:34,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-26 21:56:34,131 INFO L87 Difference]: Start difference. First operand 804 states and 1190 transitions. Second operand 5 states. [2018-10-26 21:56:34,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:56:34,758 INFO L93 Difference]: Finished difference Result 1747 states and 2630 transitions. [2018-10-26 21:56:34,760 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 21:56:34,760 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2018-10-26 21:56:34,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:56:34,765 INFO L225 Difference]: With dead ends: 1747 [2018-10-26 21:56:34,765 INFO L226 Difference]: Without dead ends: 801 [2018-10-26 21:56:34,768 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-26 21:56:34,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 801 states. [2018-10-26 21:56:34,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 801 to 801. [2018-10-26 21:56:34,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 801 states. [2018-10-26 21:56:34,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 801 states and 1169 transitions. [2018-10-26 21:56:34,796 INFO L78 Accepts]: Start accepts. Automaton has 801 states and 1169 transitions. Word has length 161 [2018-10-26 21:56:34,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:56:34,797 INFO L481 AbstractCegarLoop]: Abstraction has 801 states and 1169 transitions. [2018-10-26 21:56:34,797 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-26 21:56:34,797 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 1169 transitions. [2018-10-26 21:56:34,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-10-26 21:56:34,800 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:56:34,801 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:56:34,801 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:56:34,801 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:56:34,801 INFO L82 PathProgramCache]: Analyzing trace with hash 222122666, now seen corresponding path program 1 times [2018-10-26 21:56:34,801 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 21:56:34,802 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 21:56:34,802 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:56:34,802 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:56:34,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:56:34,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:56:35,041 WARN L179 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-26 21:56:35,063 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:56:35,063 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:56:35,063 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-26 21:56:35,064 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 21:56:35,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 21:56:35,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-26 21:56:35,064 INFO L87 Difference]: Start difference. First operand 801 states and 1169 transitions. Second operand 6 states. [2018-10-26 21:56:37,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:56:37,016 INFO L93 Difference]: Finished difference Result 2381 states and 3621 transitions. [2018-10-26 21:56:37,020 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-26 21:56:37,020 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 165 [2018-10-26 21:56:37,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:56:37,035 INFO L225 Difference]: With dead ends: 2381 [2018-10-26 21:56:37,035 INFO L226 Difference]: Without dead ends: 1586 [2018-10-26 21:56:37,039 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-26 21:56:37,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1586 states. [2018-10-26 21:56:37,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1586 to 1558. [2018-10-26 21:56:37,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1558 states. [2018-10-26 21:56:37,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1558 states to 1558 states and 2225 transitions. [2018-10-26 21:56:37,090 INFO L78 Accepts]: Start accepts. Automaton has 1558 states and 2225 transitions. Word has length 165 [2018-10-26 21:56:37,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:56:37,091 INFO L481 AbstractCegarLoop]: Abstraction has 1558 states and 2225 transitions. [2018-10-26 21:56:37,091 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 21:56:37,091 INFO L276 IsEmpty]: Start isEmpty. Operand 1558 states and 2225 transitions. [2018-10-26 21:56:37,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-10-26 21:56:37,097 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:56:37,097 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:56:37,098 INFO L424 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:56:37,098 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:56:37,098 INFO L82 PathProgramCache]: Analyzing trace with hash 1723746433, now seen corresponding path program 1 times [2018-10-26 21:56:37,098 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 21:56:37,098 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 21:56:37,101 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:56:37,102 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:56:37,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:56:37,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:56:37,492 WARN L179 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-10-26 21:56:37,785 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 20 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:56:37,785 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 21:56:37,785 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_be60b87d-f1f8-4b96-9a0c-8b48285fd903/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 [2018-10-26 21:56:37,792 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:56:37,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:56:37,875 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:56:38,022 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 21:56:38,052 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-26 21:56:38,052 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 11 [2018-10-26 21:56:38,053 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-10-26 21:56:38,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-10-26 21:56:38,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-10-26 21:56:38,053 INFO L87 Difference]: Start difference. First operand 1558 states and 2225 transitions. Second operand 11 states. [2018-10-26 21:56:38,788 WARN L179 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 27 [2018-10-26 21:56:39,305 WARN L179 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 26 [2018-10-26 21:56:40,682 WARN L179 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 31 [2018-10-26 21:56:40,819 WARN L179 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2018-10-26 21:56:42,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:56:42,096 INFO L93 Difference]: Finished difference Result 4659 states and 6889 transitions. [2018-10-26 21:56:42,097 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-10-26 21:56:42,097 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 171 [2018-10-26 21:56:42,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:56:42,113 INFO L225 Difference]: With dead ends: 4659 [2018-10-26 21:56:42,113 INFO L226 Difference]: Without dead ends: 3107 [2018-10-26 21:56:42,121 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 186 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=216, Invalid=540, Unknown=0, NotChecked=0, Total=756 [2018-10-26 21:56:42,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3107 states. [2018-10-26 21:56:42,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3107 to 3008. [2018-10-26 21:56:42,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3008 states. [2018-10-26 21:56:42,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3008 states to 3008 states and 4047 transitions. [2018-10-26 21:56:42,210 INFO L78 Accepts]: Start accepts. Automaton has 3008 states and 4047 transitions. Word has length 171 [2018-10-26 21:56:42,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:56:42,210 INFO L481 AbstractCegarLoop]: Abstraction has 3008 states and 4047 transitions. [2018-10-26 21:56:42,210 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-10-26 21:56:42,210 INFO L276 IsEmpty]: Start isEmpty. Operand 3008 states and 4047 transitions. [2018-10-26 21:56:42,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-10-26 21:56:42,225 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:56:42,225 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:56:42,225 INFO L424 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:56:42,226 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:56:42,226 INFO L82 PathProgramCache]: Analyzing trace with hash -302186400, now seen corresponding path program 1 times [2018-10-26 21:56:42,226 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 21:56:42,226 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 21:56:42,227 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:56:42,227 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:56:42,230 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:56:42,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:56:42,504 WARN L179 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-26 21:56:42,638 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 127 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:56:42,638 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 21:56:42,638 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_be60b87d-f1f8-4b96-9a0c-8b48285fd903/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 [2018-10-26 21:56:42,644 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:56:42,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:56:42,750 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:56:42,975 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 142 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 21:56:42,994 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-26 21:56:42,994 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5] total 14 [2018-10-26 21:56:42,995 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-10-26 21:56:42,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-10-26 21:56:42,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2018-10-26 21:56:42,995 INFO L87 Difference]: Start difference. First operand 3008 states and 4047 transitions. Second operand 14 states. [2018-10-26 21:56:45,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:56:45,184 INFO L93 Difference]: Finished difference Result 8325 states and 11826 transitions. [2018-10-26 21:56:45,185 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-10-26 21:56:45,185 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 249 [2018-10-26 21:56:45,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:56:45,186 INFO L225 Difference]: With dead ends: 8325 [2018-10-26 21:56:45,186 INFO L226 Difference]: Without dead ends: 0 [2018-10-26 21:56:45,211 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 264 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=254, Invalid=738, Unknown=0, NotChecked=0, Total=992 [2018-10-26 21:56:45,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-26 21:56:45,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-26 21:56:45,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-26 21:56:45,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-26 21:56:45,212 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 249 [2018-10-26 21:56:45,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:56:45,212 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-26 21:56:45,213 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-10-26 21:56:45,213 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-26 21:56:45,213 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 21:56:45,221 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-26 21:56:45,360 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:56:45,375 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:56:45,380 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:56:45,402 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:56:45,405 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:56:45,406 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:56:45,406 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:56:45,418 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:56:45,440 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:56:45,453 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:56:45,458 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:56:45,475 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:56:45,476 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:56:45,477 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:56:45,479 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:56:45,489 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 21:56:45,995 WARN L179 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 23 [2018-10-26 21:56:46,759 WARN L179 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 55 [2018-10-26 21:56:47,076 WARN L179 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 49 [2018-10-26 21:56:47,943 WARN L179 SmtUtils]: Spent 865.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 49 [2018-10-26 21:56:47,945 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-26 21:56:47,946 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a11~0)| ~a11~0) (= |old(~a17~0)| ~a17~0) (= |old(~a25~0)| ~a25~0) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|)) [2018-10-26 21:56:47,946 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-26 21:56:47,946 INFO L425 ceAbstractionStarter]: For program point L564(lines 29 598) no Hoare annotation was computed. [2018-10-26 21:56:47,946 INFO L425 ceAbstractionStarter]: For program point L531(lines 29 598) no Hoare annotation was computed. [2018-10-26 21:56:47,946 INFO L425 ceAbstractionStarter]: For program point L498(lines 29 598) no Hoare annotation was computed. [2018-10-26 21:56:47,946 INFO L425 ceAbstractionStarter]: For program point L465(lines 29 598) no Hoare annotation was computed. [2018-10-26 21:56:47,947 INFO L425 ceAbstractionStarter]: For program point L432(lines 29 598) no Hoare annotation was computed. [2018-10-26 21:56:47,947 INFO L425 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-10-26 21:56:47,947 INFO L425 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-10-26 21:56:47,947 INFO L425 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-10-26 21:56:47,947 INFO L425 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-10-26 21:56:47,947 INFO L425 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-10-26 21:56:47,947 INFO L425 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-10-26 21:56:47,947 INFO L425 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-10-26 21:56:47,947 INFO L425 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-10-26 21:56:47,947 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-10-26 21:56:47,948 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 553) no Hoare annotation was computed. [2018-10-26 21:56:47,948 INFO L425 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-10-26 21:56:47,948 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-10-26 21:56:47,948 INFO L425 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-10-26 21:56:47,948 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-10-26 21:56:47,948 INFO L425 ceAbstractionStarter]: For program point L567(lines 29 598) no Hoare annotation was computed. [2018-10-26 21:56:47,948 INFO L425 ceAbstractionStarter]: For program point L534(lines 29 598) no Hoare annotation was computed. [2018-10-26 21:56:47,948 INFO L425 ceAbstractionStarter]: For program point L501(lines 29 598) no Hoare annotation was computed. [2018-10-26 21:56:47,949 INFO L425 ceAbstractionStarter]: For program point L468(lines 29 598) no Hoare annotation was computed. [2018-10-26 21:56:47,949 INFO L425 ceAbstractionStarter]: For program point L435(lines 29 598) no Hoare annotation was computed. [2018-10-26 21:56:47,949 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-10-26 21:56:47,949 INFO L425 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-10-26 21:56:47,949 INFO L425 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-10-26 21:56:47,949 INFO L425 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-10-26 21:56:47,949 INFO L425 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-10-26 21:56:47,949 INFO L425 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-10-26 21:56:47,949 INFO L425 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-10-26 21:56:47,949 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-10-26 21:56:47,950 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-10-26 21:56:47,950 INFO L425 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-10-26 21:56:47,950 INFO L425 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-10-26 21:56:47,950 INFO L425 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-10-26 21:56:47,950 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-10-26 21:56:47,950 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-10-26 21:56:47,950 INFO L425 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-10-26 21:56:47,950 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-10-26 21:56:47,950 INFO L425 ceAbstractionStarter]: For program point L570(lines 29 598) no Hoare annotation was computed. [2018-10-26 21:56:47,950 INFO L425 ceAbstractionStarter]: For program point L537(lines 29 598) no Hoare annotation was computed. [2018-10-26 21:56:47,950 INFO L425 ceAbstractionStarter]: For program point L504(lines 29 598) no Hoare annotation was computed. [2018-10-26 21:56:47,950 INFO L425 ceAbstractionStarter]: For program point L471(lines 29 598) no Hoare annotation was computed. [2018-10-26 21:56:47,951 INFO L425 ceAbstractionStarter]: For program point L438(lines 29 598) no Hoare annotation was computed. [2018-10-26 21:56:47,951 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-10-26 21:56:47,951 INFO L425 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-10-26 21:56:47,951 INFO L425 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-10-26 21:56:47,951 INFO L425 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-10-26 21:56:47,951 INFO L425 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-10-26 21:56:47,951 INFO L425 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-10-26 21:56:47,951 INFO L425 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-10-26 21:56:47,951 INFO L425 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-10-26 21:56:47,951 INFO L425 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-10-26 21:56:47,964 INFO L425 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-10-26 21:56:47,964 INFO L425 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-10-26 21:56:47,964 INFO L425 ceAbstractionStarter]: For program point L573(lines 29 598) no Hoare annotation was computed. [2018-10-26 21:56:47,964 INFO L425 ceAbstractionStarter]: For program point L540(lines 29 598) no Hoare annotation was computed. [2018-10-26 21:56:47,964 INFO L425 ceAbstractionStarter]: For program point L507(lines 29 598) no Hoare annotation was computed. [2018-10-26 21:56:47,964 INFO L425 ceAbstractionStarter]: For program point L474(lines 29 598) no Hoare annotation was computed. [2018-10-26 21:56:47,964 INFO L425 ceAbstractionStarter]: For program point L441(lines 29 598) no Hoare annotation was computed. [2018-10-26 21:56:47,964 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-10-26 21:56:47,964 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-10-26 21:56:47,964 INFO L425 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-10-26 21:56:47,964 INFO L425 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-10-26 21:56:47,965 INFO L425 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-10-26 21:56:47,965 INFO L425 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-10-26 21:56:47,965 INFO L425 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-10-26 21:56:47,965 INFO L425 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-10-26 21:56:47,965 INFO L425 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-10-26 21:56:47,965 INFO L425 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-10-26 21:56:47,965 INFO L425 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-10-26 21:56:47,965 INFO L425 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-10-26 21:56:47,965 INFO L425 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-10-26 21:56:47,965 INFO L425 ceAbstractionStarter]: For program point L576(lines 29 598) no Hoare annotation was computed. [2018-10-26 21:56:47,965 INFO L425 ceAbstractionStarter]: For program point L543(lines 29 598) no Hoare annotation was computed. [2018-10-26 21:56:47,965 INFO L425 ceAbstractionStarter]: For program point L510(lines 29 598) no Hoare annotation was computed. [2018-10-26 21:56:47,966 INFO L425 ceAbstractionStarter]: For program point L477(lines 29 598) no Hoare annotation was computed. [2018-10-26 21:56:47,966 INFO L425 ceAbstractionStarter]: For program point L444(lines 29 598) no Hoare annotation was computed. [2018-10-26 21:56:47,966 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-10-26 21:56:47,966 INFO L425 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-10-26 21:56:47,966 INFO L425 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-10-26 21:56:47,966 INFO L425 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-10-26 21:56:47,966 INFO L425 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-10-26 21:56:47,966 INFO L425 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-10-26 21:56:47,966 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-10-26 21:56:47,966 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-10-26 21:56:47,966 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-10-26 21:56:47,966 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-10-26 21:56:47,967 INFO L425 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-10-26 21:56:47,967 INFO L425 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-10-26 21:56:47,967 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-10-26 21:56:47,967 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-10-26 21:56:47,967 INFO L425 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-10-26 21:56:47,967 INFO L425 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-10-26 21:56:47,967 INFO L425 ceAbstractionStarter]: For program point L579(lines 29 598) no Hoare annotation was computed. [2018-10-26 21:56:47,967 INFO L425 ceAbstractionStarter]: For program point L546(lines 29 598) no Hoare annotation was computed. [2018-10-26 21:56:47,967 INFO L425 ceAbstractionStarter]: For program point L513(lines 29 598) no Hoare annotation was computed. [2018-10-26 21:56:47,967 INFO L425 ceAbstractionStarter]: For program point L480(lines 29 598) no Hoare annotation was computed. [2018-10-26 21:56:47,967 INFO L425 ceAbstractionStarter]: For program point L447(lines 29 598) no Hoare annotation was computed. [2018-10-26 21:56:47,967 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-10-26 21:56:47,967 INFO L425 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-10-26 21:56:47,968 INFO L425 ceAbstractionStarter]: For program point L414-1(lines 29 598) no Hoare annotation was computed. [2018-10-26 21:56:47,968 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-10-26 21:56:47,968 INFO L425 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-10-26 21:56:47,968 INFO L425 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-10-26 21:56:47,968 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-10-26 21:56:47,968 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-10-26 21:56:47,968 INFO L425 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-10-26 21:56:47,968 INFO L425 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-10-26 21:56:47,968 INFO L425 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-10-26 21:56:47,968 INFO L425 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-10-26 21:56:47,968 INFO L425 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-10-26 21:56:47,969 INFO L425 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-10-26 21:56:47,969 INFO L425 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-10-26 21:56:47,969 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-10-26 21:56:47,969 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-10-26 21:56:47,969 INFO L425 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-10-26 21:56:47,969 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-10-26 21:56:47,969 INFO L425 ceAbstractionStarter]: For program point L582(lines 29 598) no Hoare annotation was computed. [2018-10-26 21:56:47,969 INFO L425 ceAbstractionStarter]: For program point L549(lines 29 598) no Hoare annotation was computed. [2018-10-26 21:56:47,969 INFO L425 ceAbstractionStarter]: For program point L516(lines 29 598) no Hoare annotation was computed. [2018-10-26 21:56:47,969 INFO L425 ceAbstractionStarter]: For program point L483(lines 29 598) no Hoare annotation was computed. [2018-10-26 21:56:47,969 INFO L425 ceAbstractionStarter]: For program point L450(lines 29 598) no Hoare annotation was computed. [2018-10-26 21:56:47,970 INFO L425 ceAbstractionStarter]: For program point L417(lines 29 598) no Hoare annotation was computed. [2018-10-26 21:56:47,970 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-10-26 21:56:47,970 INFO L425 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-10-26 21:56:47,970 INFO L425 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-10-26 21:56:47,970 INFO L425 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-10-26 21:56:47,970 INFO L425 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-10-26 21:56:47,970 INFO L425 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-10-26 21:56:47,970 INFO L425 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-10-26 21:56:47,970 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-10-26 21:56:47,970 INFO L425 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-10-26 21:56:47,970 INFO L425 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-10-26 21:56:47,970 INFO L425 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-10-26 21:56:47,971 INFO L425 ceAbstractionStarter]: For program point L585(lines 29 598) no Hoare annotation was computed. [2018-10-26 21:56:47,971 INFO L425 ceAbstractionStarter]: For program point L519(lines 29 598) no Hoare annotation was computed. [2018-10-26 21:56:47,971 INFO L425 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-10-26 21:56:47,971 INFO L425 ceAbstractionStarter]: For program point L486(lines 29 598) no Hoare annotation was computed. [2018-10-26 21:56:47,971 INFO L425 ceAbstractionStarter]: For program point L453(lines 29 598) no Hoare annotation was computed. [2018-10-26 21:56:47,971 INFO L425 ceAbstractionStarter]: For program point L420(lines 29 598) no Hoare annotation was computed. [2018-10-26 21:56:47,971 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-10-26 21:56:47,971 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-10-26 21:56:47,971 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-10-26 21:56:47,971 INFO L425 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-10-26 21:56:47,971 INFO L425 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-10-26 21:56:47,971 INFO L425 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-10-26 21:56:47,971 INFO L425 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-10-26 21:56:47,972 INFO L425 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-10-26 21:56:47,972 INFO L425 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-10-26 21:56:47,972 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-10-26 21:56:47,972 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-10-26 21:56:47,972 INFO L425 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-10-26 21:56:47,972 INFO L425 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-10-26 21:56:47,972 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-10-26 21:56:47,972 INFO L425 ceAbstractionStarter]: For program point L588(lines 29 598) no Hoare annotation was computed. [2018-10-26 21:56:47,972 INFO L425 ceAbstractionStarter]: For program point L555(lines 29 598) no Hoare annotation was computed. [2018-10-26 21:56:47,972 INFO L425 ceAbstractionStarter]: For program point L522(lines 29 598) no Hoare annotation was computed. [2018-10-26 21:56:47,972 INFO L425 ceAbstractionStarter]: For program point L489(lines 29 598) no Hoare annotation was computed. [2018-10-26 21:56:47,973 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse12 (= |old(~a11~0)| ~a11~0)) (.cse11 (= |old(~a25~0)| ~a25~0)) (.cse13 (= ~a19~0 |old(~a19~0)|)) (.cse14 (= ~a28~0 |old(~a28~0)|))) (let ((.cse1 (= 1 |old(~a25~0)|)) (.cse5 (= 9 |old(~a28~0)|)) (.cse10 (not (= |old(~a17~0)| 8))) (.cse7 (< 10 |old(~a28~0)|)) (.cse8 (= 8 |old(~a28~0)|)) (.cse9 (and .cse12 (= |old(~a17~0)| ~a17~0) .cse11 .cse13 .cse14)) (.cse0 (not (= 1 ~a21~0))) (.cse6 (= 1 |old(~a11~0)|)) (.cse2 (not (= 1 |old(~a19~0)|))) (.cse4 (= 8 ~a17~0)) (.cse3 (not (= 8 |old(~a17~0)|)))) (and (or .cse0 (not .cse1) .cse2 .cse3 (and (= 1 ~a11~0) (= 1 ~a25~0) (= 9 ~a28~0) .cse4 (= 1 ~a19~0)) (not .cse5) (not .cse6)) (or .cse7 .cse0 .cse8 .cse5 .cse9 .cse10) (or .cse7 .cse0 .cse9 .cse8 .cse10 .cse1) (or .cse7 .cse0 .cse6 .cse5 .cse10 .cse9) (or .cse7 .cse0 .cse8 .cse9 (< 7 |old(~a17~0)|)) (or .cse0 .cse6 .cse2 (and .cse11 .cse12 .cse4 .cse13 .cse14) .cse3)))) [2018-10-26 21:56:47,973 INFO L425 ceAbstractionStarter]: For program point L456(lines 29 598) no Hoare annotation was computed. [2018-10-26 21:56:47,973 INFO L425 ceAbstractionStarter]: For program point L423(lines 29 598) no Hoare annotation was computed. [2018-10-26 21:56:47,973 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-10-26 21:56:47,973 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-10-26 21:56:47,973 INFO L425 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-10-26 21:56:47,973 INFO L425 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-10-26 21:56:47,973 INFO L425 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-10-26 21:56:47,973 INFO L425 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-10-26 21:56:47,974 INFO L425 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-10-26 21:56:47,974 INFO L425 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-10-26 21:56:47,974 INFO L425 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-10-26 21:56:47,974 INFO L425 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-10-26 21:56:47,974 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-10-26 21:56:47,974 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-10-26 21:56:47,974 INFO L425 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-10-26 21:56:47,974 INFO L425 ceAbstractionStarter]: For program point L591(lines 29 598) no Hoare annotation was computed. [2018-10-26 21:56:47,974 INFO L425 ceAbstractionStarter]: For program point L558(lines 29 598) no Hoare annotation was computed. [2018-10-26 21:56:47,974 INFO L425 ceAbstractionStarter]: For program point L525(lines 29 598) no Hoare annotation was computed. [2018-10-26 21:56:47,974 INFO L425 ceAbstractionStarter]: For program point L492(lines 29 598) no Hoare annotation was computed. [2018-10-26 21:56:47,974 INFO L425 ceAbstractionStarter]: For program point L459(lines 29 598) no Hoare annotation was computed. [2018-10-26 21:56:47,974 INFO L425 ceAbstractionStarter]: For program point L426(lines 29 598) no Hoare annotation was computed. [2018-10-26 21:56:47,975 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-10-26 21:56:47,975 INFO L425 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-10-26 21:56:47,975 INFO L425 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-10-26 21:56:47,975 INFO L425 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-10-26 21:56:47,975 INFO L425 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-10-26 21:56:47,975 INFO L425 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-10-26 21:56:47,975 INFO L425 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-10-26 21:56:47,975 INFO L425 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-10-26 21:56:47,975 INFO L425 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-10-26 21:56:47,987 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-10-26 21:56:47,988 INFO L425 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-10-26 21:56:47,988 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-10-26 21:56:47,988 INFO L425 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-10-26 21:56:47,988 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-10-26 21:56:47,988 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-10-26 21:56:47,988 INFO L425 ceAbstractionStarter]: For program point L594(lines 594 596) no Hoare annotation was computed. [2018-10-26 21:56:47,988 INFO L425 ceAbstractionStarter]: For program point L561(lines 29 598) no Hoare annotation was computed. [2018-10-26 21:56:47,988 INFO L425 ceAbstractionStarter]: For program point L528(lines 29 598) no Hoare annotation was computed. [2018-10-26 21:56:47,988 INFO L425 ceAbstractionStarter]: For program point L495(lines 29 598) no Hoare annotation was computed. [2018-10-26 21:56:47,988 INFO L425 ceAbstractionStarter]: For program point L462(lines 29 598) no Hoare annotation was computed. [2018-10-26 21:56:47,988 INFO L425 ceAbstractionStarter]: For program point L429(lines 29 598) no Hoare annotation was computed. [2018-10-26 21:56:47,989 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-10-26 21:56:47,989 INFO L425 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-10-26 21:56:47,989 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-10-26 21:56:47,989 INFO L425 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-10-26 21:56:47,989 INFO L425 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-10-26 21:56:47,989 INFO L425 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-10-26 21:56:47,989 INFO L425 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-10-26 21:56:47,989 INFO L425 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-10-26 21:56:47,989 INFO L425 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-10-26 21:56:47,989 INFO L425 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-10-26 21:56:47,989 INFO L425 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-10-26 21:56:47,989 INFO L425 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-10-26 21:56:47,989 INFO L425 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-10-26 21:56:47,990 INFO L425 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-10-26 21:56:47,990 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-10-26 21:56:47,990 INFO L425 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-10-26 21:56:47,990 INFO L425 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-10-26 21:56:47,990 INFO L425 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-10-26 21:56:47,990 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-10-26 21:56:47,990 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-26 21:56:47,990 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~a25~0 1)) (<= ~a28~0 10) (not (= ~a28~0 8)) (= 8 ~a17~0) (= 1 ~a19~0) (= ~a21~0 1) (not (= ~a11~0 1)) (not (= ~a28~0 9))) [2018-10-26 21:56:47,990 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-26 21:56:47,990 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-26 21:56:47,991 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (< 10 |old(~a28~0)|) (not (= 1 ~a21~0)) (= 1 |old(~a11~0)|) (not (= 1 |old(~a19~0)|)) (and (= |old(~a25~0)| ~a25~0) (= |old(~a11~0)| ~a11~0) (= 8 ~a17~0) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|)) (= 8 |old(~a28~0)|) (= 9 |old(~a28~0)|) (not (= 8 |old(~a17~0)|)) (= 1 |old(~a25~0)|)) [2018-10-26 21:56:47,991 INFO L425 ceAbstractionStarter]: For program point L606-1(lines 606 616) no Hoare annotation was computed. [2018-10-26 21:56:47,991 INFO L421 ceAbstractionStarter]: At program point L606-3(lines 606 616) the Hoare annotation is: (let ((.cse2 (not (= ~a11~0 1))) (.cse4 (= 8 ~a17~0)) (.cse5 (= 1 ~a19~0)) (.cse0 (= |old(~a17~0)| ~a17~0)) (.cse3 (not (= ~a28~0 9))) (.cse1 (<= ~a28~0 10)) (.cse6 (not (= ~a28~0 8)))) (or (not (= 1 ~a21~0)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2) (and (not (= ~a25~0 1)) .cse0 .cse1 .cse6) (= 1 |old(~a25~0)|) (= 1 |old(~a11~0)|) (and (= 9 ~a28~0) .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse3) (= 9 |old(~a28~0)|) (and (<= ~a17~0 7) .cse1 .cse6) (< 10 |old(~a28~0)|) (not (= 1 |old(~a19~0)|)) (= 8 |old(~a28~0)|) (not (= 8 |old(~a17~0)|)))) [2018-10-26 21:56:47,991 INFO L425 ceAbstractionStarter]: For program point L606-4(lines 600 617) no Hoare annotation was computed. [2018-10-26 21:56:47,991 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-10-26 21:56:47,991 INFO L421 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse2 (not (= ~a11~0 1))) (.cse4 (= 8 ~a17~0)) (.cse5 (= 1 ~a19~0)) (.cse0 (= |old(~a17~0)| ~a17~0)) (.cse3 (not (= ~a28~0 9))) (.cse1 (<= ~a28~0 10)) (.cse6 (not (= ~a28~0 8)))) (or (not (= 1 ~a21~0)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2) (and (not (= ~a25~0 1)) .cse0 .cse1 .cse6) (= 1 |old(~a25~0)|) (= 1 |old(~a11~0)|) (and (= 9 ~a28~0) .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse3) (= 9 |old(~a28~0)|) (and (<= ~a17~0 7) .cse1 .cse6) (< 10 |old(~a28~0)|) (not (= 1 |old(~a19~0)|)) (= 8 |old(~a28~0)|) (not (= 8 |old(~a17~0)|)))) [2018-10-26 21:56:47,991 INFO L425 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-10-26 21:56:47,991 INFO L425 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-10-26 21:56:48,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 09:56:48 BoogieIcfgContainer [2018-10-26 21:56:48,021 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 21:56:48,021 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 21:56:48,021 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 21:56:48,021 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 21:56:48,022 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:56:23" (3/4) ... [2018-10-26 21:56:48,036 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 21:56:48,044 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-26 21:56:48,044 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-10-26 21:56:48,045 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-26 21:56:48,056 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-10-26 21:56:48,057 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-10-26 21:56:48,089 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((!(1 == a21) || (((\old(a17) == a17 && a28 <= 10) && !(a11 == 1)) && !(a28 == 9))) || ((8 == a17 && 1 == a19) && !(a11 == 1))) || (((!(a25 == 1) && \old(a17) == a17) && a28 <= 10) && !(a28 == 8))) || 1 == \old(a25)) || 1 == \old(a11)) || ((9 == a28 && 8 == a17) && 1 == a19)) || (((\old(a17) == a17 && a28 <= 10) && !(a28 == 8)) && !(a28 == 9))) || 9 == \old(a28)) || ((a17 <= 7 && a28 <= 10) && !(a28 == 8))) || 10 < \old(a28)) || !(1 == \old(a19))) || 8 == \old(a28)) || !(8 == \old(a17)) [2018-10-26 21:56:48,201 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_be60b87d-f1f8-4b96-9a0c-8b48285fd903/bin-2019/uautomizer/witness.graphml [2018-10-26 21:56:48,205 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 21:56:48,205 INFO L168 Benchmark]: Toolchain (without parser) took 28552.08 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 429.4 MB). Free memory was 951.7 MB in the beginning and 1.2 GB in the end (delta: -242.2 MB). Peak memory consumption was 187.2 MB. Max. memory is 11.5 GB. [2018-10-26 21:56:48,206 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:56:48,206 INFO L168 Benchmark]: CACSL2BoogieTranslator took 670.02 ms. Allocated memory is still 1.0 GB. Free memory was 951.7 MB in the beginning and 922.2 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-10-26 21:56:48,206 INFO L168 Benchmark]: Boogie Preprocessor took 198.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.2 MB). Free memory was 922.2 MB in the beginning and 1.2 GB in the end (delta: -231.3 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2018-10-26 21:56:48,207 INFO L168 Benchmark]: RCFGBuilder took 3250.18 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: 99.2 MB). Peak memory consumption was 99.2 MB. Max. memory is 11.5 GB. [2018-10-26 21:56:48,207 INFO L168 Benchmark]: TraceAbstraction took 24237.08 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 264.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -161.8 MB). Peak memory consumption was 480.5 MB. Max. memory is 11.5 GB. [2018-10-26 21:56:48,207 INFO L168 Benchmark]: Witness Printer took 183.80 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 22.1 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. [2018-10-26 21:56:48,211 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 670.02 ms. Allocated memory is still 1.0 GB. Free memory was 951.7 MB in the beginning and 922.2 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 198.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.2 MB). Free memory was 922.2 MB in the beginning and 1.2 GB in the end (delta: -231.3 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3250.18 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: 99.2 MB). Peak memory consumption was 99.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 24237.08 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 264.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -161.8 MB). Peak memory consumption was 480.5 MB. Max. memory is 11.5 GB. * Witness Printer took 183.80 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 22.1 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 553]: 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: 606]: Loop Invariant Derived loop invariant: ((((((((((((!(1 == a21) || (((\old(a17) == a17 && a28 <= 10) && !(a11 == 1)) && !(a28 == 9))) || ((8 == a17 && 1 == a19) && !(a11 == 1))) || (((!(a25 == 1) && \old(a17) == a17) && a28 <= 10) && !(a28 == 8))) || 1 == \old(a25)) || 1 == \old(a11)) || ((9 == a28 && 8 == a17) && 1 == a19)) || (((\old(a17) == a17 && a28 <= 10) && !(a28 == 8)) && !(a28 == 9))) || 9 == \old(a28)) || ((a17 <= 7 && a28 <= 10) && !(a28 == 8))) || 10 < \old(a28)) || !(1 == \old(a19))) || 8 == \old(a28)) || !(8 == \old(a17)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. SAFE Result, 24.1s OverallTime, 9 OverallIterations, 4 TraceHistogramMax, 16.3s AutomataDifference, 0.0s DeadEndRemovalTime, 2.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 1037 SDtfs, 9988 SDslu, 1202 SDs, 0 SdLazy, 9163 SolverSat, 2413 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 564 GetRequests, 472 SyntacticMatches, 9 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 336 ImplicationChecksByTransitivity, 4.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3008occurred 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: 0.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 139 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 100 PreInvPairs, 200 NumberOfFragments, 514 HoareAnnotationTreeSize, 100 FomulaSimplifications, 4864 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 3305 FormulaSimplificationTreeSizeReductionInter, 2.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 1908 NumberOfCodeBlocks, 1908 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1897 ConstructedInterpolants, 0 QuantifiedInterpolants, 1836344 SizeOfPredicates, 3 NumberOfNonLiveVariables, 980 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 11 InterpolantComputations, 8 PerfectInterpolantSequences, 457/512 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...