./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label07_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_9778e120-3bb7-48db-afaa-3b7266bb1ea0/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9778e120-3bb7-48db-afaa-3b7266bb1ea0/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9778e120-3bb7-48db-afaa-3b7266bb1ea0/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9778e120-3bb7-48db-afaa-3b7266bb1ea0/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label07_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9778e120-3bb7-48db-afaa-3b7266bb1ea0/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9778e120-3bb7-48db-afaa-3b7266bb1ea0/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 6f9a2fcb1012f2ff72c6593976c4936a90359f50 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 14:17:29,448 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 14:17:29,449 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 14:17:29,457 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 14:17:29,457 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 14:17:29,458 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 14:17:29,458 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 14:17:29,460 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 14:17:29,461 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 14:17:29,462 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 14:17:29,462 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 14:17:29,462 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 14:17:29,463 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 14:17:29,464 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 14:17:29,465 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 14:17:29,467 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 14:17:29,468 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 14:17:29,469 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 14:17:29,470 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 14:17:29,472 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 14:17:29,472 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 14:17:29,473 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 14:17:29,475 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 14:17:29,475 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 14:17:29,475 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 14:17:29,476 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 14:17:29,476 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 14:17:29,477 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 14:17:29,477 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 14:17:29,478 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 14:17:29,478 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 14:17:29,479 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 14:17:29,479 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 14:17:29,479 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 14:17:29,480 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 14:17:29,480 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 14:17:29,480 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9778e120-3bb7-48db-afaa-3b7266bb1ea0/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-18 14:17:29,489 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 14:17:29,489 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 14:17:29,490 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 14:17:29,490 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 14:17:29,491 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 14:17:29,491 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 14:17:29,491 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 14:17:29,491 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 14:17:29,491 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 14:17:29,492 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 14:17:29,492 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 14:17:29,492 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 14:17:29,492 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 14:17:29,492 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 14:17:29,492 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 14:17:29,492 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 14:17:29,492 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 14:17:29,493 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 14:17:29,493 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 14:17:29,493 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 14:17:29,493 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 14:17:29,493 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 14:17:29,493 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 14:17:29,493 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 14:17:29,494 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 14:17:29,494 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 14:17:29,494 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 14:17:29,494 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 14:17:29,494 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 14:17:29,494 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 14:17:29,494 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_9778e120-3bb7-48db-afaa-3b7266bb1ea0/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 -> 6f9a2fcb1012f2ff72c6593976c4936a90359f50 [2018-11-18 14:17:29,517 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 14:17:29,526 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 14:17:29,528 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 14:17:29,529 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 14:17:29,529 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 14:17:29,529 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9778e120-3bb7-48db-afaa-3b7266bb1ea0/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem14_label07_true-unreach-call_false-termination.c [2018-11-18 14:17:29,566 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9778e120-3bb7-48db-afaa-3b7266bb1ea0/bin-2019/uautomizer/data/52743b03b/eddddb01259041f8a7d4ce15db76c325/FLAGff3b43276 [2018-11-18 14:17:30,039 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 14:17:30,039 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9778e120-3bb7-48db-afaa-3b7266bb1ea0/sv-benchmarks/c/eca-rers2012/Problem14_label07_true-unreach-call_false-termination.c [2018-11-18 14:17:30,049 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9778e120-3bb7-48db-afaa-3b7266bb1ea0/bin-2019/uautomizer/data/52743b03b/eddddb01259041f8a7d4ce15db76c325/FLAGff3b43276 [2018-11-18 14:17:30,062 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9778e120-3bb7-48db-afaa-3b7266bb1ea0/bin-2019/uautomizer/data/52743b03b/eddddb01259041f8a7d4ce15db76c325 [2018-11-18 14:17:30,065 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 14:17:30,066 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 14:17:30,067 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 14:17:30,067 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 14:17:30,070 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 14:17:30,071 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:17:30" (1/1) ... [2018-11-18 14:17:30,073 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27f427c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:17:30, skipping insertion in model container [2018-11-18 14:17:30,074 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:17:30" (1/1) ... [2018-11-18 14:17:30,082 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 14:17:30,122 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 14:17:30,389 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:17:30,393 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 14:17:30,480 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:17:30,493 INFO L195 MainTranslator]: Completed translation [2018-11-18 14:17:30,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:17:30 WrapperNode [2018-11-18 14:17:30,493 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 14:17:30,494 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 14:17:30,494 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 14:17:30,494 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 14:17:30,563 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:17:30" (1/1) ... [2018-11-18 14:17:30,563 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:17:30" (1/1) ... [2018-11-18 14:17:30,578 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:17:30" (1/1) ... [2018-11-18 14:17:30,578 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:17:30" (1/1) ... [2018-11-18 14:17:30,605 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:17:30" (1/1) ... [2018-11-18 14:17:30,615 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:17:30" (1/1) ... [2018-11-18 14:17:30,620 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:17:30" (1/1) ... [2018-11-18 14:17:30,627 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 14:17:30,627 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 14:17:30,627 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 14:17:30,627 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 14:17:30,628 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:17:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9778e120-3bb7-48db-afaa-3b7266bb1ea0/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 14:17:30,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 14:17:30,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 14:17:30,673 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 14:17:30,673 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 14:17:30,673 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 14:17:30,673 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 14:17:30,674 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-18 14:17:30,674 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 14:17:30,674 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 14:17:30,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 14:17:30,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 14:17:31,597 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 14:17:31,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:17:31 BoogieIcfgContainer [2018-11-18 14:17:31,598 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 14:17:31,599 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 14:17:31,599 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 14:17:31,601 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 14:17:31,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 02:17:30" (1/3) ... [2018-11-18 14:17:31,602 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fe14d5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:17:31, skipping insertion in model container [2018-11-18 14:17:31,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:17:30" (2/3) ... [2018-11-18 14:17:31,603 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fe14d5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:17:31, skipping insertion in model container [2018-11-18 14:17:31,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:17:31" (3/3) ... [2018-11-18 14:17:31,604 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label07_true-unreach-call_false-termination.c [2018-11-18 14:17:31,611 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 14:17:31,617 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 14:17:31,627 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 14:17:31,651 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 14:17:31,651 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 14:17:31,651 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 14:17:31,651 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 14:17:31,652 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 14:17:31,652 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 14:17:31,652 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 14:17:31,652 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 14:17:31,652 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 14:17:31,671 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states. [2018-11-18 14:17:31,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-18 14:17:31,676 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:17:31,677 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] [2018-11-18 14:17:31,679 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:17:31,683 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:17:31,683 INFO L82 PathProgramCache]: Analyzing trace with hash -989245532, now seen corresponding path program 1 times [2018-11-18 14:17:31,685 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:17:31,686 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:17:31,721 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:17:31,721 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:17:31,721 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:17:31,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:17:31,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:17:31,916 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:17:31,916 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 14:17:31,920 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 14:17:31,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 14:17:31,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 14:17:31,930 INFO L87 Difference]: Start difference. First operand 255 states. Second operand 4 states. [2018-11-18 14:17:33,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:17:33,099 INFO L93 Difference]: Finished difference Result 894 states and 1610 transitions. [2018-11-18 14:17:33,100 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 14:17:33,101 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 54 [2018-11-18 14:17:33,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:17:33,115 INFO L225 Difference]: With dead ends: 894 [2018-11-18 14:17:33,115 INFO L226 Difference]: Without dead ends: 633 [2018-11-18 14:17:33,119 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 14:17:33,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2018-11-18 14:17:33,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 434. [2018-11-18 14:17:33,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 434 states. [2018-11-18 14:17:33,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 662 transitions. [2018-11-18 14:17:33,168 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 662 transitions. Word has length 54 [2018-11-18 14:17:33,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:17:33,169 INFO L480 AbstractCegarLoop]: Abstraction has 434 states and 662 transitions. [2018-11-18 14:17:33,169 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 14:17:33,169 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 662 transitions. [2018-11-18 14:17:33,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-18 14:17:33,173 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:17:33,173 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, 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] [2018-11-18 14:17:33,175 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:17:33,175 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:17:33,175 INFO L82 PathProgramCache]: Analyzing trace with hash 1614354860, now seen corresponding path program 1 times [2018-11-18 14:17:33,175 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:17:33,175 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:17:33,176 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:17:33,176 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:17:33,176 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:17:33,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:17:33,280 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:17:33,281 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:17:33,281 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 14:17:33,282 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 14:17:33,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 14:17:33,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 14:17:33,283 INFO L87 Difference]: Start difference. First operand 434 states and 662 transitions. Second operand 4 states. [2018-11-18 14:17:34,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:17:34,175 INFO L93 Difference]: Finished difference Result 1594 states and 2533 transitions. [2018-11-18 14:17:34,175 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 14:17:34,175 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 138 [2018-11-18 14:17:34,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:17:34,180 INFO L225 Difference]: With dead ends: 1594 [2018-11-18 14:17:34,181 INFO L226 Difference]: Without dead ends: 780 [2018-11-18 14:17:34,185 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 14:17:34,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 780 states. [2018-11-18 14:17:34,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 780 to 780. [2018-11-18 14:17:34,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 780 states. [2018-11-18 14:17:34,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 780 states and 1152 transitions. [2018-11-18 14:17:34,216 INFO L78 Accepts]: Start accepts. Automaton has 780 states and 1152 transitions. Word has length 138 [2018-11-18 14:17:34,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:17:34,216 INFO L480 AbstractCegarLoop]: Abstraction has 780 states and 1152 transitions. [2018-11-18 14:17:34,216 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 14:17:34,217 INFO L276 IsEmpty]: Start isEmpty. Operand 780 states and 1152 transitions. [2018-11-18 14:17:34,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-11-18 14:17:34,222 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:17:34,223 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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] [2018-11-18 14:17:34,223 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:17:34,223 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:17:34,223 INFO L82 PathProgramCache]: Analyzing trace with hash 1391925776, now seen corresponding path program 1 times [2018-11-18 14:17:34,223 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:17:34,224 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:17:34,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:17:34,225 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:17:34,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:17:34,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:17:34,378 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 14:17:34,378 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:17:34,379 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 14:17:34,379 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 14:17:34,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 14:17:34,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 14:17:34,380 INFO L87 Difference]: Start difference. First operand 780 states and 1152 transitions. Second operand 4 states. [2018-11-18 14:17:35,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:17:35,255 INFO L93 Difference]: Finished difference Result 3018 states and 4610 transitions. [2018-11-18 14:17:35,256 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 14:17:35,256 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 224 [2018-11-18 14:17:35,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:17:35,271 INFO L225 Difference]: With dead ends: 3018 [2018-11-18 14:17:35,271 INFO L226 Difference]: Without dead ends: 2244 [2018-11-18 14:17:35,279 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 14:17:35,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2244 states. [2018-11-18 14:17:35,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2244 to 2244. [2018-11-18 14:17:35,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2244 states. [2018-11-18 14:17:35,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2244 states to 2244 states and 3149 transitions. [2018-11-18 14:17:35,347 INFO L78 Accepts]: Start accepts. Automaton has 2244 states and 3149 transitions. Word has length 224 [2018-11-18 14:17:35,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:17:35,348 INFO L480 AbstractCegarLoop]: Abstraction has 2244 states and 3149 transitions. [2018-11-18 14:17:35,348 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 14:17:35,348 INFO L276 IsEmpty]: Start isEmpty. Operand 2244 states and 3149 transitions. [2018-11-18 14:17:35,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2018-11-18 14:17:35,361 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:17:35,362 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 14:17:35,362 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:17:35,362 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:17:35,362 INFO L82 PathProgramCache]: Analyzing trace with hash -1136291269, now seen corresponding path program 1 times [2018-11-18 14:17:35,362 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:17:35,362 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:17:35,363 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:17:35,363 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:17:35,363 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:17:35,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:17:35,702 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 94 proven. 108 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 14:17:35,702 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:17:35,702 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9778e120-3bb7-48db-afaa-3b7266bb1ea0/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 14:17:35,710 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:17:35,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:17:35,774 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:17:35,947 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 159 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-18 14:17:35,964 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 14:17:35,964 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 10 [2018-11-18 14:17:35,965 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 14:17:35,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 14:17:35,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2018-11-18 14:17:35,965 INFO L87 Difference]: Start difference. First operand 2244 states and 3149 transitions. Second operand 10 states. [2018-11-18 14:17:39,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:17:39,393 INFO L93 Difference]: Finished difference Result 7484 states and 11738 transitions. [2018-11-18 14:17:39,393 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-11-18 14:17:39,393 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 319 [2018-11-18 14:17:39,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:17:39,420 INFO L225 Difference]: With dead ends: 7484 [2018-11-18 14:17:39,420 INFO L226 Difference]: Without dead ends: 5246 [2018-11-18 14:17:39,434 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 371 GetRequests, 338 SyntacticMatches, 2 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=244, Invalid=812, Unknown=0, NotChecked=0, Total=1056 [2018-11-18 14:17:39,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5246 states. [2018-11-18 14:17:39,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5246 to 4934. [2018-11-18 14:17:39,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4934 states. [2018-11-18 14:17:39,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4934 states to 4934 states and 6876 transitions. [2018-11-18 14:17:39,546 INFO L78 Accepts]: Start accepts. Automaton has 4934 states and 6876 transitions. Word has length 319 [2018-11-18 14:17:39,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:17:39,546 INFO L480 AbstractCegarLoop]: Abstraction has 4934 states and 6876 transitions. [2018-11-18 14:17:39,546 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 14:17:39,546 INFO L276 IsEmpty]: Start isEmpty. Operand 4934 states and 6876 transitions. [2018-11-18 14:17:39,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 397 [2018-11-18 14:17:39,560 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:17:39,560 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:17:39,560 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:17:39,560 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:17:39,561 INFO L82 PathProgramCache]: Analyzing trace with hash 1726878696, now seen corresponding path program 1 times [2018-11-18 14:17:39,561 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:17:39,561 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:17:39,562 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:17:39,562 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:17:39,562 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:17:39,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:17:39,774 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 147 proven. 191 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-11-18 14:17:39,774 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:17:39,774 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9778e120-3bb7-48db-afaa-3b7266bb1ea0/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 14:17:39,780 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:17:39,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:17:39,852 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:17:39,938 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 361 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-18 14:17:39,954 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 14:17:39,955 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2018-11-18 14:17:39,955 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 14:17:39,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 14:17:39,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-11-18 14:17:39,956 INFO L87 Difference]: Start difference. First operand 4934 states and 6876 transitions. Second operand 9 states. [2018-11-18 14:17:40,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:17:40,899 INFO L93 Difference]: Finished difference Result 10731 states and 15776 transitions. [2018-11-18 14:17:40,900 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 14:17:40,900 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 396 [2018-11-18 14:17:40,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:17:40,920 INFO L225 Difference]: With dead ends: 10731 [2018-11-18 14:17:40,920 INFO L226 Difference]: Without dead ends: 5803 [2018-11-18 14:17:40,931 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 412 GetRequests, 399 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2018-11-18 14:17:40,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5803 states. [2018-11-18 14:17:41,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5803 to 5575. [2018-11-18 14:17:41,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5575 states. [2018-11-18 14:17:41,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5575 states to 5575 states and 7300 transitions. [2018-11-18 14:17:41,020 INFO L78 Accepts]: Start accepts. Automaton has 5575 states and 7300 transitions. Word has length 396 [2018-11-18 14:17:41,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:17:41,020 INFO L480 AbstractCegarLoop]: Abstraction has 5575 states and 7300 transitions. [2018-11-18 14:17:41,021 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 14:17:41,021 INFO L276 IsEmpty]: Start isEmpty. Operand 5575 states and 7300 transitions. [2018-11-18 14:17:41,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2018-11-18 14:17:41,034 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:17:41,035 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:17:41,035 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:17:41,035 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:17:41,035 INFO L82 PathProgramCache]: Analyzing trace with hash 569672711, now seen corresponding path program 1 times [2018-11-18 14:17:41,035 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:17:41,035 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:17:41,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:17:41,036 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:17:41,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:17:41,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:17:41,772 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 237 proven. 237 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:17:41,773 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:17:41,773 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9778e120-3bb7-48db-afaa-3b7266bb1ea0/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 14:17:41,779 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:17:41,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:17:41,847 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:17:41,944 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 265 proven. 0 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2018-11-18 14:17:41,969 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 14:17:41,969 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [19] total 22 [2018-11-18 14:17:41,970 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-11-18 14:17:41,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-11-18 14:17:41,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=390, Unknown=0, NotChecked=0, Total=462 [2018-11-18 14:17:41,971 INFO L87 Difference]: Start difference. First operand 5575 states and 7300 transitions. Second operand 22 states. [2018-11-18 14:17:49,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:17:49,497 INFO L93 Difference]: Finished difference Result 15529 states and 22621 transitions. [2018-11-18 14:17:49,497 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2018-11-18 14:17:49,497 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 429 [2018-11-18 14:17:49,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:17:49,531 INFO L225 Difference]: With dead ends: 15529 [2018-11-18 14:17:49,532 INFO L226 Difference]: Without dead ends: 9283 [2018-11-18 14:17:49,569 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 529 GetRequests, 427 SyntacticMatches, 1 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3566 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=1792, Invalid=8714, Unknown=0, NotChecked=0, Total=10506 [2018-11-18 14:17:49,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9283 states. [2018-11-18 14:17:49,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9283 to 8703. [2018-11-18 14:17:49,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8703 states. [2018-11-18 14:17:49,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8703 states to 8703 states and 10893 transitions. [2018-11-18 14:17:49,716 INFO L78 Accepts]: Start accepts. Automaton has 8703 states and 10893 transitions. Word has length 429 [2018-11-18 14:17:49,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:17:49,716 INFO L480 AbstractCegarLoop]: Abstraction has 8703 states and 10893 transitions. [2018-11-18 14:17:49,716 INFO L481 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-11-18 14:17:49,716 INFO L276 IsEmpty]: Start isEmpty. Operand 8703 states and 10893 transitions. [2018-11-18 14:17:49,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 686 [2018-11-18 14:17:49,741 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:17:49,742 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:17:49,742 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:17:49,742 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:17:49,742 INFO L82 PathProgramCache]: Analyzing trace with hash 806332815, now seen corresponding path program 1 times [2018-11-18 14:17:49,742 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:17:49,743 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:17:49,743 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:17:49,743 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:17:49,743 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:17:49,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:17:50,632 INFO L134 CoverageAnalysis]: Checked inductivity of 1230 backedges. 333 proven. 570 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2018-11-18 14:17:50,632 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:17:50,632 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9778e120-3bb7-48db-afaa-3b7266bb1ea0/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 14:17:50,638 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:17:50,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:17:50,723 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:17:51,134 INFO L134 CoverageAnalysis]: Checked inductivity of 1230 backedges. 970 proven. 2 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2018-11-18 14:17:51,150 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 14:17:51,150 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 6] total 17 [2018-11-18 14:17:51,151 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-18 14:17:51,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-18 14:17:51,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=218, Unknown=0, NotChecked=0, Total=272 [2018-11-18 14:17:51,152 INFO L87 Difference]: Start difference. First operand 8703 states and 10893 transitions. Second operand 17 states. [2018-11-18 14:17:56,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:17:56,239 INFO L93 Difference]: Finished difference Result 20041 states and 26284 transitions. [2018-11-18 14:17:56,239 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-11-18 14:17:56,240 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 685 [2018-11-18 14:17:56,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:17:56,275 INFO L225 Difference]: With dead ends: 20041 [2018-11-18 14:17:56,275 INFO L226 Difference]: Without dead ends: 11075 [2018-11-18 14:17:56,297 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 766 GetRequests, 712 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 886 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=570, Invalid=2510, Unknown=0, NotChecked=0, Total=3080 [2018-11-18 14:17:56,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11075 states. [2018-11-18 14:17:56,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11075 to 10257. [2018-11-18 14:17:56,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10257 states. [2018-11-18 14:17:56,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10257 states to 10257 states and 12379 transitions. [2018-11-18 14:17:56,490 INFO L78 Accepts]: Start accepts. Automaton has 10257 states and 12379 transitions. Word has length 685 [2018-11-18 14:17:56,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:17:56,491 INFO L480 AbstractCegarLoop]: Abstraction has 10257 states and 12379 transitions. [2018-11-18 14:17:56,491 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-18 14:17:56,491 INFO L276 IsEmpty]: Start isEmpty. Operand 10257 states and 12379 transitions. [2018-11-18 14:17:56,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 806 [2018-11-18 14:17:56,541 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:17:56,541 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:17:56,541 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:17:56,542 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:17:56,542 INFO L82 PathProgramCache]: Analyzing trace with hash -1733960817, now seen corresponding path program 1 times [2018-11-18 14:17:56,542 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:17:56,542 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:17:56,543 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:17:56,543 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:17:56,543 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:17:56,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:17:57,130 INFO L134 CoverageAnalysis]: Checked inductivity of 1843 backedges. 655 proven. 228 refuted. 0 times theorem prover too weak. 960 trivial. 0 not checked. [2018-11-18 14:17:57,130 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:17:57,130 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9778e120-3bb7-48db-afaa-3b7266bb1ea0/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 14:17:57,136 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:17:57,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:17:57,231 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:17:57,491 INFO L134 CoverageAnalysis]: Checked inductivity of 1843 backedges. 1340 proven. 2 refuted. 0 times theorem prover too weak. 501 trivial. 0 not checked. [2018-11-18 14:17:57,507 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 14:17:57,507 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2018-11-18 14:17:57,507 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 14:17:57,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 14:17:57,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-11-18 14:17:57,508 INFO L87 Difference]: Start difference. First operand 10257 states and 12379 transitions. Second operand 7 states. [2018-11-18 14:17:58,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:17:58,847 INFO L93 Difference]: Finished difference Result 28872 states and 42349 transitions. [2018-11-18 14:17:58,847 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-18 14:17:58,847 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 805 [2018-11-18 14:17:58,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:17:58,931 INFO L225 Difference]: With dead ends: 28872 [2018-11-18 14:17:58,931 INFO L226 Difference]: Without dead ends: 18989 [2018-11-18 14:17:58,974 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 826 GetRequests, 814 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2018-11-18 14:17:58,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18989 states. [2018-11-18 14:17:59,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18989 to 18548. [2018-11-18 14:17:59,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18548 states. [2018-11-18 14:17:59,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18548 states to 18548 states and 23293 transitions. [2018-11-18 14:17:59,330 INFO L78 Accepts]: Start accepts. Automaton has 18548 states and 23293 transitions. Word has length 805 [2018-11-18 14:17:59,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:17:59,331 INFO L480 AbstractCegarLoop]: Abstraction has 18548 states and 23293 transitions. [2018-11-18 14:17:59,331 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 14:17:59,331 INFO L276 IsEmpty]: Start isEmpty. Operand 18548 states and 23293 transitions. [2018-11-18 14:17:59,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 866 [2018-11-18 14:17:59,370 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:17:59,371 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:17:59,371 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:17:59,371 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:17:59,371 INFO L82 PathProgramCache]: Analyzing trace with hash 1566143959, now seen corresponding path program 1 times [2018-11-18 14:17:59,371 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:17:59,371 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:17:59,372 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:17:59,372 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:17:59,372 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:17:59,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:18:00,228 INFO L134 CoverageAnalysis]: Checked inductivity of 1937 backedges. 534 proven. 403 refuted. 0 times theorem prover too weak. 1000 trivial. 0 not checked. [2018-11-18 14:18:00,228 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:18:00,228 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9778e120-3bb7-48db-afaa-3b7266bb1ea0/bin-2019/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 14:18:00,234 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:18:00,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:18:00,351 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:18:00,649 INFO L134 CoverageAnalysis]: Checked inductivity of 1937 backedges. 1372 proven. 2 refuted. 0 times theorem prover too weak. 563 trivial. 0 not checked. [2018-11-18 14:18:00,664 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 14:18:00,665 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 7 [2018-11-18 14:18:00,665 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 14:18:00,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 14:18:00,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-18 14:18:00,666 INFO L87 Difference]: Start difference. First operand 18548 states and 23293 transitions. Second operand 7 states. [2018-11-18 14:18:01,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:18:01,738 INFO L93 Difference]: Finished difference Result 36564 states and 46164 transitions. [2018-11-18 14:18:01,738 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-18 14:18:01,739 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 865 [2018-11-18 14:18:01,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:18:01,771 INFO L225 Difference]: With dead ends: 36564 [2018-11-18 14:18:01,771 INFO L226 Difference]: Without dead ends: 18390 [2018-11-18 14:18:01,810 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 885 GetRequests, 870 SyntacticMatches, 5 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2018-11-18 14:18:01,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18390 states. [2018-11-18 14:18:01,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18390 to 18063. [2018-11-18 14:18:01,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18063 states. [2018-11-18 14:18:02,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18063 states to 18063 states and 21028 transitions. [2018-11-18 14:18:02,028 INFO L78 Accepts]: Start accepts. Automaton has 18063 states and 21028 transitions. Word has length 865 [2018-11-18 14:18:02,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:18:02,029 INFO L480 AbstractCegarLoop]: Abstraction has 18063 states and 21028 transitions. [2018-11-18 14:18:02,029 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 14:18:02,029 INFO L276 IsEmpty]: Start isEmpty. Operand 18063 states and 21028 transitions. [2018-11-18 14:18:02,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 966 [2018-11-18 14:18:02,047 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:18:02,048 INFO L375 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-18 14:18:02,048 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:18:02,048 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:18:02,048 INFO L82 PathProgramCache]: Analyzing trace with hash -201399489, now seen corresponding path program 1 times [2018-11-18 14:18:02,048 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:18:02,049 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:18:02,051 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:18:02,051 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:18:02,051 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:18:02,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:18:02,675 INFO L134 CoverageAnalysis]: Checked inductivity of 2621 backedges. 875 proven. 228 refuted. 0 times theorem prover too weak. 1518 trivial. 0 not checked. [2018-11-18 14:18:02,676 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:18:02,676 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9778e120-3bb7-48db-afaa-3b7266bb1ea0/bin-2019/uautomizer/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 14:18:02,682 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:18:02,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:18:02,794 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:18:03,162 INFO L134 CoverageAnalysis]: Checked inductivity of 2621 backedges. 1782 proven. 2 refuted. 0 times theorem prover too weak. 837 trivial. 0 not checked. [2018-11-18 14:18:03,178 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 14:18:03,178 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2018-11-18 14:18:03,179 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 14:18:03,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 14:18:03,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-11-18 14:18:03,180 INFO L87 Difference]: Start difference. First operand 18063 states and 21028 transitions. Second operand 7 states. [2018-11-18 14:18:04,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:18:04,617 INFO L93 Difference]: Finished difference Result 37742 states and 44217 transitions. [2018-11-18 14:18:04,618 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-18 14:18:04,618 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 965 [2018-11-18 14:18:04,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:18:04,662 INFO L225 Difference]: With dead ends: 37742 [2018-11-18 14:18:04,662 INFO L226 Difference]: Without dead ends: 20053 [2018-11-18 14:18:04,697 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 981 GetRequests, 970 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2018-11-18 14:18:04,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20053 states. [2018-11-18 14:18:04,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20053 to 19153. [2018-11-18 14:18:04,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19153 states. [2018-11-18 14:18:04,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19153 states to 19153 states and 22027 transitions. [2018-11-18 14:18:04,973 INFO L78 Accepts]: Start accepts. Automaton has 19153 states and 22027 transitions. Word has length 965 [2018-11-18 14:18:04,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:18:04,974 INFO L480 AbstractCegarLoop]: Abstraction has 19153 states and 22027 transitions. [2018-11-18 14:18:04,974 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 14:18:04,974 INFO L276 IsEmpty]: Start isEmpty. Operand 19153 states and 22027 transitions. [2018-11-18 14:18:05,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1106 [2018-11-18 14:18:05,004 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:18:05,004 INFO L375 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:18:05,004 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:18:05,004 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:18:05,005 INFO L82 PathProgramCache]: Analyzing trace with hash 1128197227, now seen corresponding path program 1 times [2018-11-18 14:18:05,005 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:18:05,005 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:18:05,005 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:18:05,005 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:18:05,005 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:18:05,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:18:05,797 INFO L134 CoverageAnalysis]: Checked inductivity of 3349 backedges. 1455 proven. 230 refuted. 0 times theorem prover too weak. 1664 trivial. 0 not checked. [2018-11-18 14:18:05,797 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:18:05,797 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9778e120-3bb7-48db-afaa-3b7266bb1ea0/bin-2019/uautomizer/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 14:18:05,803 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:18:05,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:18:05,938 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:18:06,428 INFO L134 CoverageAnalysis]: Checked inductivity of 3349 backedges. 2211 proven. 6 refuted. 0 times theorem prover too weak. 1132 trivial. 0 not checked. [2018-11-18 14:18:06,444 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 14:18:06,445 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2018-11-18 14:18:06,446 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 14:18:06,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 14:18:06,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-11-18 14:18:06,446 INFO L87 Difference]: Start difference. First operand 19153 states and 22027 transitions. Second operand 9 states. [2018-11-18 14:18:08,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:18:08,248 INFO L93 Difference]: Finished difference Result 44145 states and 50862 transitions. [2018-11-18 14:18:08,248 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-18 14:18:08,248 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1105 [2018-11-18 14:18:08,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:18:08,284 INFO L225 Difference]: With dead ends: 44145 [2018-11-18 14:18:08,284 INFO L226 Difference]: Without dead ends: 25366 [2018-11-18 14:18:08,308 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1122 GetRequests, 1109 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2018-11-18 14:18:08,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25366 states. [2018-11-18 14:18:08,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25366 to 24275. [2018-11-18 14:18:08,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24275 states. [2018-11-18 14:18:08,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24275 states to 24275 states and 27908 transitions. [2018-11-18 14:18:08,561 INFO L78 Accepts]: Start accepts. Automaton has 24275 states and 27908 transitions. Word has length 1105 [2018-11-18 14:18:08,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:18:08,562 INFO L480 AbstractCegarLoop]: Abstraction has 24275 states and 27908 transitions. [2018-11-18 14:18:08,562 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 14:18:08,562 INFO L276 IsEmpty]: Start isEmpty. Operand 24275 states and 27908 transitions. [2018-11-18 14:18:08,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1258 [2018-11-18 14:18:08,584 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:18:08,584 INFO L375 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:18:08,584 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:18:08,585 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:18:08,585 INFO L82 PathProgramCache]: Analyzing trace with hash 671938855, now seen corresponding path program 1 times [2018-11-18 14:18:08,585 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:18:08,585 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:18:08,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:18:08,586 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:18:08,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:18:08,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:18:10,278 INFO L134 CoverageAnalysis]: Checked inductivity of 4476 backedges. 1215 proven. 860 refuted. 0 times theorem prover too weak. 2401 trivial. 0 not checked. [2018-11-18 14:18:10,278 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:18:10,279 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9778e120-3bb7-48db-afaa-3b7266bb1ea0/bin-2019/uautomizer/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 14:18:10,284 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:18:10,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:18:10,446 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:18:11,158 INFO L134 CoverageAnalysis]: Checked inductivity of 4476 backedges. 2127 proven. 2 refuted. 0 times theorem prover too weak. 2347 trivial. 0 not checked. [2018-11-18 14:18:11,174 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 14:18:11,174 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 5] total 17 [2018-11-18 14:18:11,175 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-18 14:18:11,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-18 14:18:11,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2018-11-18 14:18:11,175 INFO L87 Difference]: Start difference. First operand 24275 states and 27908 transitions. Second operand 17 states. [2018-11-18 14:18:14,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:18:14,388 INFO L93 Difference]: Finished difference Result 48764 states and 56190 transitions. [2018-11-18 14:18:14,389 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-11-18 14:18:14,389 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 1257 [2018-11-18 14:18:14,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:18:14,426 INFO L225 Difference]: With dead ends: 48764 [2018-11-18 14:18:14,426 INFO L226 Difference]: Without dead ends: 24863 [2018-11-18 14:18:14,450 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1324 GetRequests, 1278 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 515 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=451, Invalid=1805, Unknown=0, NotChecked=0, Total=2256 [2018-11-18 14:18:14,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24863 states. [2018-11-18 14:18:14,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24863 to 24275. [2018-11-18 14:18:14,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24275 states. [2018-11-18 14:18:14,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24275 states to 24275 states and 27712 transitions. [2018-11-18 14:18:14,683 INFO L78 Accepts]: Start accepts. Automaton has 24275 states and 27712 transitions. Word has length 1257 [2018-11-18 14:18:14,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:18:14,683 INFO L480 AbstractCegarLoop]: Abstraction has 24275 states and 27712 transitions. [2018-11-18 14:18:14,683 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-18 14:18:14,684 INFO L276 IsEmpty]: Start isEmpty. Operand 24275 states and 27712 transitions. [2018-11-18 14:18:14,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1463 [2018-11-18 14:18:14,721 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:18:14,721 INFO L375 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:18:14,721 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:18:14,722 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:18:14,722 INFO L82 PathProgramCache]: Analyzing trace with hash -18268808, now seen corresponding path program 1 times [2018-11-18 14:18:14,722 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:18:14,722 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:18:14,723 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:18:14,723 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:18:14,723 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:18:14,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:18:17,385 INFO L134 CoverageAnalysis]: Checked inductivity of 5836 backedges. 1096 proven. 2964 refuted. 0 times theorem prover too weak. 1776 trivial. 0 not checked. [2018-11-18 14:18:17,386 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:18:17,386 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9778e120-3bb7-48db-afaa-3b7266bb1ea0/bin-2019/uautomizer/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 14:18:17,391 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:18:17,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:18:17,546 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:18:18,244 INFO L134 CoverageAnalysis]: Checked inductivity of 5836 backedges. 3665 proven. 2 refuted. 0 times theorem prover too weak. 2169 trivial. 0 not checked. [2018-11-18 14:18:18,261 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 14:18:18,261 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 5] total 19 [2018-11-18 14:18:18,262 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-18 14:18:18,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-18 14:18:18,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=275, Unknown=0, NotChecked=0, Total=342 [2018-11-18 14:18:18,262 INFO L87 Difference]: Start difference. First operand 24275 states and 27712 transitions. Second operand 19 states. [2018-11-18 14:18:23,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:18:23,022 INFO L93 Difference]: Finished difference Result 47850 states and 58880 transitions. [2018-11-18 14:18:23,022 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2018-11-18 14:18:23,022 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 1462 [2018-11-18 14:18:23,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:18:23,092 INFO L225 Difference]: With dead ends: 47850 [2018-11-18 14:18:23,092 INFO L226 Difference]: Without dead ends: 23949 [2018-11-18 14:18:23,131 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1563 GetRequests, 1496 SyntacticMatches, 2 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1245 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=948, Invalid=3474, Unknown=0, NotChecked=0, Total=4422 [2018-11-18 14:18:23,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23949 states. [2018-11-18 14:18:23,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23949 to 23072. [2018-11-18 14:18:23,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23072 states. [2018-11-18 14:18:23,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23072 states to 23072 states and 25875 transitions. [2018-11-18 14:18:23,462 INFO L78 Accepts]: Start accepts. Automaton has 23072 states and 25875 transitions. Word has length 1462 [2018-11-18 14:18:23,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:18:23,463 INFO L480 AbstractCegarLoop]: Abstraction has 23072 states and 25875 transitions. [2018-11-18 14:18:23,463 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-18 14:18:23,463 INFO L276 IsEmpty]: Start isEmpty. Operand 23072 states and 25875 transitions. [2018-11-18 14:18:23,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1582 [2018-11-18 14:18:23,487 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:18:23,487 INFO L375 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 8, 8, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:18:23,487 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:18:23,487 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:18:23,488 INFO L82 PathProgramCache]: Analyzing trace with hash -687350469, now seen corresponding path program 1 times [2018-11-18 14:18:23,488 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:18:23,488 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:18:23,488 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:18:23,488 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:18:23,488 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:18:23,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:18:25,410 INFO L134 CoverageAnalysis]: Checked inductivity of 7008 backedges. 1551 proven. 1084 refuted. 0 times theorem prover too weak. 4373 trivial. 0 not checked. [2018-11-18 14:18:25,411 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:18:25,411 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9778e120-3bb7-48db-afaa-3b7266bb1ea0/bin-2019/uautomizer/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 14:18:25,417 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:18:25,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:18:25,585 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:18:26,477 INFO L134 CoverageAnalysis]: Checked inductivity of 7008 backedges. 2746 proven. 2 refuted. 0 times theorem prover too weak. 4260 trivial. 0 not checked. [2018-11-18 14:18:26,493 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 14:18:26,493 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 5] total 17 [2018-11-18 14:18:26,494 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-18 14:18:26,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-18 14:18:26,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2018-11-18 14:18:26,494 INFO L87 Difference]: Start difference. First operand 23072 states and 25875 transitions. Second operand 17 states. [2018-11-18 14:18:29,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:18:29,835 INFO L93 Difference]: Finished difference Result 46361 states and 52057 transitions. [2018-11-18 14:18:29,835 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-11-18 14:18:29,835 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 1581 [2018-11-18 14:18:29,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:18:29,868 INFO L225 Difference]: With dead ends: 46361 [2018-11-18 14:18:29,868 INFO L226 Difference]: Without dead ends: 23663 [2018-11-18 14:18:29,892 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1650 GetRequests, 1603 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 541 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=460, Invalid=1892, Unknown=0, NotChecked=0, Total=2352 [2018-11-18 14:18:29,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23663 states. [2018-11-18 14:18:30,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23663 to 23072. [2018-11-18 14:18:30,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23072 states. [2018-11-18 14:18:30,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23072 states to 23072 states and 25771 transitions. [2018-11-18 14:18:30,145 INFO L78 Accepts]: Start accepts. Automaton has 23072 states and 25771 transitions. Word has length 1581 [2018-11-18 14:18:30,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:18:30,146 INFO L480 AbstractCegarLoop]: Abstraction has 23072 states and 25771 transitions. [2018-11-18 14:18:30,146 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-18 14:18:30,146 INFO L276 IsEmpty]: Start isEmpty. Operand 23072 states and 25771 transitions. [2018-11-18 14:18:30,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1801 [2018-11-18 14:18:30,184 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:18:30,185 INFO L375 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 9, 9, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-18 14:18:30,185 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:18:30,185 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:18:30,185 INFO L82 PathProgramCache]: Analyzing trace with hash -843384672, now seen corresponding path program 1 times [2018-11-18 14:18:30,185 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:18:30,186 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:18:30,186 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:18:30,186 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:18:30,186 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:18:30,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:18:33,051 INFO L134 CoverageAnalysis]: Checked inductivity of 9543 backedges. 1912 proven. 2369 refuted. 0 times theorem prover too weak. 5262 trivial. 0 not checked. [2018-11-18 14:18:33,052 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:18:33,052 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9778e120-3bb7-48db-afaa-3b7266bb1ea0/bin-2019/uautomizer/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 14:18:33,058 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:18:33,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:18:33,245 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:18:34,140 INFO L134 CoverageAnalysis]: Checked inductivity of 9543 backedges. 4195 proven. 6 refuted. 0 times theorem prover too weak. 5342 trivial. 0 not checked. [2018-11-18 14:18:34,156 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 14:18:34,156 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 5] total 16 [2018-11-18 14:18:34,157 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-18 14:18:34,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-18 14:18:34,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2018-11-18 14:18:34,158 INFO L87 Difference]: Start difference. First operand 23072 states and 25771 transitions. Second operand 16 states. [2018-11-18 14:18:37,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:18:37,798 INFO L93 Difference]: Finished difference Result 45520 states and 52423 transitions. [2018-11-18 14:18:37,799 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-11-18 14:18:37,799 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 1800 [2018-11-18 14:18:37,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:18:37,848 INFO L225 Difference]: With dead ends: 45520 [2018-11-18 14:18:37,848 INFO L226 Difference]: Without dead ends: 22058 [2018-11-18 14:18:37,882 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1886 GetRequests, 1838 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 640 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=491, Invalid=1959, Unknown=0, NotChecked=0, Total=2450 [2018-11-18 14:18:37,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22058 states. [2018-11-18 14:18:38,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22058 to 21298. [2018-11-18 14:18:38,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21298 states. [2018-11-18 14:18:38,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21298 states to 21298 states and 23575 transitions. [2018-11-18 14:18:38,128 INFO L78 Accepts]: Start accepts. Automaton has 21298 states and 23575 transitions. Word has length 1800 [2018-11-18 14:18:38,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:18:38,128 INFO L480 AbstractCegarLoop]: Abstraction has 21298 states and 23575 transitions. [2018-11-18 14:18:38,128 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-18 14:18:38,129 INFO L276 IsEmpty]: Start isEmpty. Operand 21298 states and 23575 transitions. [2018-11-18 14:18:38,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1841 [2018-11-18 14:18:38,162 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:18:38,162 INFO L375 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 9, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:18:38,163 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:18:38,163 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:18:38,163 INFO L82 PathProgramCache]: Analyzing trace with hash -856808820, now seen corresponding path program 1 times [2018-11-18 14:18:38,163 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:18:38,163 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:18:38,163 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:18:38,164 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:18:38,164 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:18:38,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:18:39,553 INFO L134 CoverageAnalysis]: Checked inductivity of 9575 backedges. 2086 proven. 480 refuted. 0 times theorem prover too weak. 7009 trivial. 0 not checked. [2018-11-18 14:18:39,553 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:18:39,553 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9778e120-3bb7-48db-afaa-3b7266bb1ea0/bin-2019/uautomizer/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 14:18:39,559 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:18:39,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:18:39,755 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:18:40,646 INFO L134 CoverageAnalysis]: Checked inductivity of 9575 backedges. 4218 proven. 2 refuted. 0 times theorem prover too weak. 5355 trivial. 0 not checked. [2018-11-18 14:18:40,662 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 14:18:40,663 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2018-11-18 14:18:40,664 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-18 14:18:40,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-18 14:18:40,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-11-18 14:18:40,664 INFO L87 Difference]: Start difference. First operand 21298 states and 23575 transitions. Second operand 11 states. [2018-11-18 14:18:42,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:18:42,454 INFO L93 Difference]: Finished difference Result 41419 states and 46007 transitions. [2018-11-18 14:18:42,455 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-11-18 14:18:42,455 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 1840 [2018-11-18 14:18:42,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:18:42,460 INFO L225 Difference]: With dead ends: 41419 [2018-11-18 14:18:42,460 INFO L226 Difference]: Without dead ends: 5194 [2018-11-18 14:18:42,482 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1883 GetRequests, 1854 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 194 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=224, Invalid=646, Unknown=0, NotChecked=0, Total=870 [2018-11-18 14:18:42,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5194 states. [2018-11-18 14:18:42,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5194 to 4287. [2018-11-18 14:18:42,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4287 states. [2018-11-18 14:18:42,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4287 states to 4287 states and 4412 transitions. [2018-11-18 14:18:42,528 INFO L78 Accepts]: Start accepts. Automaton has 4287 states and 4412 transitions. Word has length 1840 [2018-11-18 14:18:42,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:18:42,528 INFO L480 AbstractCegarLoop]: Abstraction has 4287 states and 4412 transitions. [2018-11-18 14:18:42,529 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-18 14:18:42,529 INFO L276 IsEmpty]: Start isEmpty. Operand 4287 states and 4412 transitions. [2018-11-18 14:18:42,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1917 [2018-11-18 14:18:42,543 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:18:42,544 INFO L375 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 10, 10, 10, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-18 14:18:42,544 INFO L423 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:18:42,544 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:18:42,544 INFO L82 PathProgramCache]: Analyzing trace with hash -1131937244, now seen corresponding path program 1 times [2018-11-18 14:18:42,544 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:18:42,544 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:18:42,545 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:18:42,545 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:18:42,545 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:18:42,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:18:43,748 INFO L134 CoverageAnalysis]: Checked inductivity of 10905 backedges. 697 proven. 0 refuted. 0 times theorem prover too weak. 10208 trivial. 0 not checked. [2018-11-18 14:18:43,749 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:18:43,749 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 14:18:43,749 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 14:18:43,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 14:18:43,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 14:18:43,750 INFO L87 Difference]: Start difference. First operand 4287 states and 4412 transitions. Second operand 3 states. [2018-11-18 14:18:44,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:18:44,014 INFO L93 Difference]: Finished difference Result 8564 states and 8820 transitions. [2018-11-18 14:18:44,015 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 14:18:44,015 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1916 [2018-11-18 14:18:44,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:18:44,016 INFO L225 Difference]: With dead ends: 8564 [2018-11-18 14:18:44,016 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 14:18:44,020 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 14:18:44,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 14:18:44,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 14:18:44,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 14:18:44,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 14:18:44,021 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1916 [2018-11-18 14:18:44,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:18:44,021 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 14:18:44,021 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 14:18:44,021 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 14:18:44,021 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 14:18:44,025 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 14:18:44,223 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:18:44,240 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:18:44,385 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:18:44,469 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:18:44,480 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:18:44,504 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:18:44,573 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:18:44,793 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:18:44,794 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:18:44,795 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:18:44,796 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:18:44,919 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:18:46,237 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:18:46,256 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:18:46,609 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:18:46,617 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:18:46,730 WARN L180 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 1224 DAG size of output: 1057 [2018-11-18 14:18:46,755 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:18:46,797 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:18:46,803 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:18:46,816 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:18:46,850 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:18:46,965 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:18:46,965 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:18:46,966 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:18:46,967 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:18:47,040 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:18:48,226 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:18:48,245 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:18:48,576 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:18:48,584 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:18:48,696 WARN L180 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 1224 DAG size of output: 1057 [2018-11-18 14:18:50,017 WARN L180 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 375 DAG size of output: 96 [2018-11-18 14:18:54,944 WARN L180 SmtUtils]: Spent 4.91 s on a formula simplification. DAG size of input: 1045 DAG size of output: 84 [2018-11-18 14:18:59,917 WARN L180 SmtUtils]: Spent 4.97 s on a formula simplification. DAG size of input: 1045 DAG size of output: 84 [2018-11-18 14:18:59,919 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 14:18:59,919 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (= |old(~a15~0)| ~a15~0)) [2018-11-18 14:18:59,919 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 14:18:59,919 INFO L425 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2018-11-18 14:18:59,919 INFO L425 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2018-11-18 14:18:59,919 INFO L425 ceAbstractionStarter]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:18:59,919 INFO L425 ceAbstractionStarter]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:18:59,919 INFO L425 ceAbstractionStarter]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:18:59,919 INFO L425 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2018-11-18 14:18:59,919 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-18 14:18:59,919 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-18 14:18:59,920 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-18 14:18:59,920 INFO L425 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2018-11-18 14:18:59,920 INFO L425 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2018-11-18 14:18:59,920 INFO L425 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2018-11-18 14:18:59,920 INFO L425 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2018-11-18 14:18:59,920 INFO L425 ceAbstractionStarter]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:18:59,920 INFO L425 ceAbstractionStarter]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:18:59,920 INFO L425 ceAbstractionStarter]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:18:59,920 INFO L425 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2018-11-18 14:18:59,920 INFO L425 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2018-11-18 14:18:59,920 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-18 14:18:59,920 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-18 14:18:59,920 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-18 14:18:59,920 INFO L425 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2018-11-18 14:18:59,920 INFO L425 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2018-11-18 14:18:59,920 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2018-11-18 14:18:59,920 INFO L425 ceAbstractionStarter]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:18:59,920 INFO L425 ceAbstractionStarter]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:18:59,920 INFO L425 ceAbstractionStarter]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:18:59,920 INFO L425 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2018-11-18 14:18:59,920 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-18 14:18:59,920 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-18 14:18:59,920 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-18 14:18:59,920 INFO L425 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2018-11-18 14:18:59,921 INFO L425 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2018-11-18 14:18:59,921 INFO L425 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2018-11-18 14:18:59,921 INFO L425 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2018-11-18 14:18:59,921 INFO L425 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2018-11-18 14:18:59,921 INFO L425 ceAbstractionStarter]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:18:59,921 INFO L425 ceAbstractionStarter]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:18:59,921 INFO L425 ceAbstractionStarter]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:18:59,921 INFO L425 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2018-11-18 14:18:59,921 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-18 14:18:59,921 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-18 14:18:59,921 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-18 14:18:59,921 INFO L425 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2018-11-18 14:18:59,921 INFO L425 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2018-11-18 14:18:59,921 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2018-11-18 14:18:59,921 INFO L425 ceAbstractionStarter]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:18:59,921 INFO L425 ceAbstractionStarter]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:18:59,921 INFO L425 ceAbstractionStarter]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:18:59,921 INFO L425 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2018-11-18 14:18:59,921 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-18 14:18:59,921 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-18 14:18:59,921 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-18 14:18:59,921 INFO L425 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2018-11-18 14:18:59,921 INFO L425 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2018-11-18 14:18:59,922 INFO L425 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2018-11-18 14:18:59,922 INFO L425 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2018-11-18 14:18:59,922 INFO L425 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2018-11-18 14:18:59,922 INFO L425 ceAbstractionStarter]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:18:59,922 INFO L425 ceAbstractionStarter]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:18:59,922 INFO L425 ceAbstractionStarter]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:18:59,922 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:18:59,922 INFO L425 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2018-11-18 14:18:59,922 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-18 14:18:59,922 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-18 14:18:59,922 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-18 14:18:59,922 INFO L425 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2018-11-18 14:18:59,923 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2018-11-18 14:18:59,923 INFO L425 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2018-11-18 14:18:59,923 INFO L425 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2018-11-18 14:18:59,923 INFO L425 ceAbstractionStarter]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:18:59,923 INFO L425 ceAbstractionStarter]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:18:59,923 INFO L425 ceAbstractionStarter]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:18:59,923 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-18 14:18:59,923 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-18 14:18:59,923 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-18 14:18:59,923 INFO L425 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2018-11-18 14:18:59,923 INFO L425 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2018-11-18 14:18:59,923 INFO L425 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2018-11-18 14:18:59,923 INFO L425 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2018-11-18 14:18:59,923 INFO L425 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2018-11-18 14:18:59,923 INFO L425 ceAbstractionStarter]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:18:59,923 INFO L425 ceAbstractionStarter]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:18:59,923 INFO L425 ceAbstractionStarter]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:18:59,923 INFO L425 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2018-11-18 14:18:59,923 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2018-11-18 14:18:59,923 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-18 14:18:59,923 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-18 14:18:59,923 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-18 14:18:59,923 INFO L425 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2018-11-18 14:18:59,924 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse10 (= |old(~a15~0)| ~a15~0)) (.cse1 (= ~a12~0 |old(~a12~0)|)) (.cse2 (= ~a21~0 |old(~a21~0)|)) (.cse3 (= |old(~a24~0)| ~a24~0)) (.cse15 (= 8 |old(~a15~0)|))) (let ((.cse13 (< 73282 |old(~a12~0)|)) (.cse4 (not (= 8 |old(~a21~0)|))) (.cse0 (not (= 6 |old(~a15~0)|))) (.cse9 (< 0 (+ |old(~a12~0)| 43))) (.cse11 (< |old(~a12~0)| 12)) (.cse8 (not .cse15)) (.cse6 (and .cse1 .cse2 .cse3 (= 8 ~a15~0))) (.cse7 (not (= 6 |old(~a21~0)|))) (.cse12 (and .cse1 .cse2 .cse10 .cse3)) (.cse14 (< 7 |old(~a15~0)|)) (.cse5 (not (= 1 |old(~a24~0)|)))) (and (or .cse0 (= 6 ~a15~0)) (or (and .cse1 .cse2 .cse3 (= 9 ~a15~0)) .cse4 (not (= 9 |old(~a15~0)|)) .cse5) (or .cse6 .cse7 (= 2 |old(~a24~0)|) .cse8 .cse9) (or (not (= 10 |old(~a21~0)|)) (and .cse1 .cse10 .cse3 (= 10 ~a21~0)) .cse5) (or .cse11 .cse12 .cse5 .cse13 .cse14) (or .cse9 .cse5 (and (and .cse1 (= ~a24~0 |old(~a24~0)|)) .cse2 (= ~a15~0 |old(~a15~0)|)) .cse14) (or .cse7 .cse12 .cse14 .cse9) (or .cse12 .cse5 .cse13 .cse14 .cse4) (or .cse11 .cse6 .cse5 .cse8 .cse13 .cse4) (or (< 76 |old(~a12~0)|) (not (= 9 |old(~a21~0)|)) .cse5 .cse8 .cse6) (or (<= (+ ~a12~0 43) 0) .cse0 .cse9) (or (not (= 7 |old(~a21~0)|)) .cse5 (and .cse1 (<= |old(~a21~0)| ~a21~0) .cse10 (<= ~a21~0 7) .cse3) (< 8 |old(~a15~0)|)) (or .cse12 .cse11 (= 5 |old(~a15~0)|) .cse5 .cse15) (or .cse7 .cse11 .cse5 .cse8 .cse6) (or .cse7 .cse12 .cse5 .cse14) (or .cse5 (not (= 7 |old(~a15~0)|)) (and .cse1 .cse2 (= 7 ~a15~0) .cse3))))) [2018-11-18 14:18:59,924 INFO L425 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2018-11-18 14:18:59,924 INFO L425 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2018-11-18 14:18:59,924 INFO L425 ceAbstractionStarter]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:18:59,924 INFO L425 ceAbstractionStarter]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:18:59,924 INFO L425 ceAbstractionStarter]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:18:59,924 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-18 14:18:59,924 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-18 14:18:59,924 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-18 14:18:59,924 INFO L425 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2018-11-18 14:18:59,924 INFO L425 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2018-11-18 14:18:59,924 INFO L425 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2018-11-18 14:18:59,924 INFO L425 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2018-11-18 14:18:59,924 INFO L425 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2018-11-18 14:18:59,924 INFO L425 ceAbstractionStarter]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:18:59,924 INFO L425 ceAbstractionStarter]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:18:59,924 INFO L425 ceAbstractionStarter]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:18:59,924 INFO L425 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2018-11-18 14:18:59,924 INFO L425 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2018-11-18 14:18:59,924 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-18 14:18:59,924 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-18 14:18:59,924 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-18 14:18:59,925 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2018-11-18 14:18:59,925 INFO L425 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2018-11-18 14:18:59,925 INFO L425 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2018-11-18 14:18:59,925 INFO L425 ceAbstractionStarter]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:18:59,925 INFO L425 ceAbstractionStarter]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:18:59,925 INFO L425 ceAbstractionStarter]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:18:59,925 INFO L425 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2018-11-18 14:18:59,925 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-18 14:18:59,925 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-18 14:18:59,925 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-18 14:18:59,925 INFO L425 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2018-11-18 14:18:59,925 INFO L425 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2018-11-18 14:18:59,925 INFO L425 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2018-11-18 14:18:59,925 INFO L425 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2018-11-18 14:18:59,925 INFO L425 ceAbstractionStarter]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:18:59,925 INFO L425 ceAbstractionStarter]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:18:59,925 INFO L425 ceAbstractionStarter]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:18:59,925 INFO L425 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2018-11-18 14:18:59,925 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-18 14:18:59,925 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-18 14:18:59,925 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-18 14:18:59,925 INFO L425 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2018-11-18 14:18:59,925 INFO L425 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2018-11-18 14:18:59,925 INFO L425 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2018-11-18 14:18:59,925 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2018-11-18 14:18:59,925 INFO L425 ceAbstractionStarter]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:18:59,926 INFO L425 ceAbstractionStarter]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:18:59,926 INFO L425 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2018-11-18 14:18:59,926 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-18 14:18:59,926 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-18 14:18:59,926 INFO L425 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2018-11-18 14:18:59,926 INFO L425 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2018-11-18 14:18:59,926 INFO L425 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2018-11-18 14:18:59,926 INFO L425 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2018-11-18 14:18:59,926 INFO L425 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2018-11-18 14:18:59,926 INFO L425 ceAbstractionStarter]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:18:59,926 INFO L425 ceAbstractionStarter]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:18:59,926 INFO L425 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2018-11-18 14:18:59,926 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-18 14:18:59,926 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-18 14:18:59,926 INFO L425 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2018-11-18 14:18:59,926 INFO L425 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2018-11-18 14:18:59,926 INFO L425 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2018-11-18 14:18:59,926 INFO L425 ceAbstractionStarter]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:18:59,926 INFO L425 ceAbstractionStarter]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:18:59,926 INFO L425 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2018-11-18 14:18:59,926 INFO L425 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2018-11-18 14:18:59,926 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-18 14:18:59,926 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-18 14:18:59,926 INFO L425 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2018-11-18 14:18:59,926 INFO L425 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2018-11-18 14:18:59,926 INFO L425 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2018-11-18 14:18:59,926 INFO L425 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2018-11-18 14:18:59,926 INFO L425 ceAbstractionStarter]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:18:59,927 INFO L425 ceAbstractionStarter]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:18:59,927 INFO L425 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2018-11-18 14:18:59,927 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2018-11-18 14:18:59,927 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-18 14:18:59,927 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-18 14:18:59,927 INFO L425 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2018-11-18 14:18:59,927 INFO L425 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2018-11-18 14:18:59,927 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2018-11-18 14:18:59,927 INFO L425 ceAbstractionStarter]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:18:59,927 INFO L425 ceAbstractionStarter]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:18:59,927 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:18:59,927 INFO L425 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2018-11-18 14:18:59,927 INFO L425 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2018-11-18 14:18:59,927 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-18 14:18:59,927 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-18 14:18:59,927 INFO L425 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2018-11-18 14:18:59,928 INFO L425 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2018-11-18 14:18:59,928 INFO L425 ceAbstractionStarter]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:18:59,928 INFO L425 ceAbstractionStarter]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:18:59,928 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-11-18 14:18:59,928 INFO L425 ceAbstractionStarter]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:18:59,928 INFO L425 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2018-11-18 14:18:59,928 INFO L425 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2018-11-18 14:18:59,928 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2018-11-18 14:18:59,928 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-18 14:18:59,928 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-18 14:18:59,928 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-18 14:18:59,928 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 145) no Hoare annotation was computed. [2018-11-18 14:18:59,928 INFO L425 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2018-11-18 14:18:59,928 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2018-11-18 14:18:59,929 INFO L425 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2018-11-18 14:18:59,929 INFO L425 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2018-11-18 14:18:59,929 INFO L425 ceAbstractionStarter]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:18:59,929 INFO L425 ceAbstractionStarter]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:18:59,929 INFO L425 ceAbstractionStarter]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:18:59,929 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2018-11-18 14:18:59,929 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-18 14:18:59,929 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-18 14:18:59,929 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-18 14:18:59,929 INFO L425 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2018-11-18 14:18:59,929 INFO L425 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2018-11-18 14:18:59,929 INFO L425 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2018-11-18 14:18:59,929 INFO L425 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2018-11-18 14:18:59,929 INFO L425 ceAbstractionStarter]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:18:59,929 INFO L425 ceAbstractionStarter]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:18:59,930 INFO L425 ceAbstractionStarter]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:18:59,930 INFO L425 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2018-11-18 14:18:59,930 INFO L425 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2018-11-18 14:18:59,930 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-18 14:18:59,930 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-18 14:18:59,930 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-18 14:18:59,930 INFO L425 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2018-11-18 14:18:59,930 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2018-11-18 14:18:59,930 INFO L425 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2018-11-18 14:18:59,930 INFO L425 ceAbstractionStarter]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:18:59,930 INFO L425 ceAbstractionStarter]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:18:59,930 INFO L425 ceAbstractionStarter]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:18:59,930 INFO L425 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2018-11-18 14:18:59,930 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-18 14:18:59,930 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-18 14:18:59,931 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-18 14:18:59,931 INFO L425 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2018-11-18 14:18:59,931 INFO L425 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2018-11-18 14:18:59,931 INFO L425 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2018-11-18 14:18:59,931 INFO L425 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2018-11-18 14:18:59,931 INFO L425 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2018-11-18 14:18:59,931 INFO L425 ceAbstractionStarter]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:18:59,931 INFO L425 ceAbstractionStarter]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:18:59,931 INFO L425 ceAbstractionStarter]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 14:18:59,931 INFO L425 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2018-11-18 14:18:59,931 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-18 14:18:59,931 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-18 14:18:59,931 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-18 14:18:59,931 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2018-11-18 14:18:59,931 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 14:18:59,931 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a21~0 7) (<= 7 ~a21~0) (= 1 ~a24~0) (= 8 ~a15~0) (<= (+ ~a12~0 49) 0)) [2018-11-18 14:18:59,931 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 14:18:59,931 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 14:18:59,931 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (< 0 (+ |old(~a12~0)| 49)) (not (= 8 |old(~a15~0)|)) (and (= ~a12~0 |old(~a12~0)|) (= 7 ~a21~0) (= |old(~a15~0)| ~a15~0) (= 1 ~a24~0)) (not (= 7 |old(~a21~0)|)) (not (= 1 |old(~a24~0)|))) [2018-11-18 14:18:59,931 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2018-11-18 14:18:59,932 INFO L421 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (let ((.cse8 (= 1 ~a24~0)) (.cse5 (= 6 ~a21~0))) (let ((.cse1 (= ~a24~0 |old(~a24~0)|)) (.cse2 (<= (+ ~a12~0 43) 0)) (.cse9 (<= ~a12~0 73282)) (.cse7 (= ~a21~0 8)) (.cse0 (<= 12 ~a12~0)) (.cse3 (<= ~a15~0 7)) (.cse4 (and .cse8 .cse5)) (.cse6 (<= ~a15~0 8))) (or (and .cse0 (not (= ~a15~0 8)) (and (not (= 5 ~a15~0)) .cse1)) (and (and .cse2 .cse1) .cse3) (and .cse0 .cse4) (and .cse1 (= 10 ~a21~0)) (and .cse5 (not (= 2 ~a24~0)) .cse2 .cse6) (< 0 (+ |old(~a12~0)| 49)) (and .cse3 (and .cse1 .cse7 (<= ~a12~0 11))) (not (= 1 |old(~a24~0)|)) (not (= 8 |old(~a15~0)|)) (= 6 ~a15~0) (and (<= ~a12~0 76) (and .cse8 (= 8 ~a15~0) (= 9 ~a21~0))) (and .cse3 (and .cse5 .cse2)) (and .cse0 (and .cse9 .cse8) .cse3) (and (and .cse9 .cse8 .cse7) .cse0) (< 7 |old(~a21~0)|) (and (= 8 ~a21~0) .cse8 (= 9 ~a15~0)) (and .cse3 .cse4) (and (= 7 ~a15~0) .cse8) (< |old(~a21~0)| 7) (and .cse8 (and (= 7 ~a21~0) .cse6))))) [2018-11-18 14:18:59,932 INFO L425 ceAbstractionStarter]: For program point L888-1(line 888) no Hoare annotation was computed. [2018-11-18 14:18:59,932 INFO L425 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2018-11-18 14:18:59,932 INFO L425 ceAbstractionStarter]: For program point L880-1(lines 880 889) no Hoare annotation was computed. [2018-11-18 14:18:59,932 INFO L421 ceAbstractionStarter]: At program point L880-3(lines 880 889) the Hoare annotation is: (let ((.cse8 (= 1 ~a24~0)) (.cse5 (= 6 ~a21~0))) (let ((.cse1 (= ~a24~0 |old(~a24~0)|)) (.cse2 (<= (+ ~a12~0 43) 0)) (.cse9 (<= ~a12~0 73282)) (.cse7 (= ~a21~0 8)) (.cse0 (<= 12 ~a12~0)) (.cse3 (<= ~a15~0 7)) (.cse4 (and .cse8 .cse5)) (.cse6 (<= ~a15~0 8))) (or (and .cse0 (not (= ~a15~0 8)) (and (not (= 5 ~a15~0)) .cse1)) (and (and .cse2 .cse1) .cse3) (and .cse0 .cse4) (and .cse1 (= 10 ~a21~0)) (and .cse5 (not (= 2 ~a24~0)) .cse2 .cse6) (< 0 (+ |old(~a12~0)| 49)) (and .cse3 (and .cse1 .cse7 (<= ~a12~0 11))) (not (= 1 |old(~a24~0)|)) (not (= 8 |old(~a15~0)|)) (= 6 ~a15~0) (and (<= ~a12~0 76) (and .cse8 (= 8 ~a15~0) (= 9 ~a21~0))) (and .cse3 (and .cse5 .cse2)) (and .cse0 (and .cse9 .cse8) .cse3) (and (and .cse9 .cse8 .cse7) .cse0) (< 7 |old(~a21~0)|) (and (= 8 ~a21~0) .cse8 (= 9 ~a15~0)) (and .cse3 .cse4) (and (= 7 ~a15~0) .cse8) (< |old(~a21~0)| 7) (and .cse8 (and (= 7 ~a21~0) .cse6))))) [2018-11-18 14:18:59,932 INFO L425 ceAbstractionStarter]: For program point L880-4(lines 874 890) no Hoare annotation was computed. [2018-11-18 14:18:59,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 02:18:59 BoogieIcfgContainer [2018-11-18 14:18:59,945 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 14:18:59,946 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 14:18:59,946 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 14:18:59,946 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 14:18:59,946 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:17:31" (3/4) ... [2018-11-18 14:18:59,953 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 14:18:59,962 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 14:18:59,962 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 14:18:59,962 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 14:18:59,974 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 14:18:59,975 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 14:18:59,998 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((12 <= a12 && !(a15 == 8)) && !(5 == a15) && a24 == \old(a24)) || ((a12 + 43 <= 0 && a24 == \old(a24)) && a15 <= 7)) || (12 <= a12 && 1 == a24 && 6 == a21)) || (a24 == \old(a24) && 10 == a21)) || (((6 == a21 && !(2 == a24)) && a12 + 43 <= 0) && a15 <= 8)) || 0 < \old(a12) + 49) || (a15 <= 7 && (a24 == \old(a24) && a21 == 8) && a12 <= 11)) || !(1 == \old(a24))) || !(8 == \old(a15))) || 6 == a15) || (a12 <= 76 && (1 == a24 && 8 == a15) && 9 == a21)) || (a15 <= 7 && 6 == a21 && a12 + 43 <= 0)) || ((12 <= a12 && a12 <= 73282 && 1 == a24) && a15 <= 7)) || (((a12 <= 73282 && 1 == a24) && a21 == 8) && 12 <= a12)) || 7 < \old(a21)) || ((8 == a21 && 1 == a24) && 9 == a15)) || (a15 <= 7 && 1 == a24 && 6 == a21)) || (7 == a15 && 1 == a24)) || \old(a21) < 7) || (1 == a24 && 7 == a21 && a15 <= 8) [2018-11-18 14:19:00,078 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_9778e120-3bb7-48db-afaa-3b7266bb1ea0/bin-2019/uautomizer/witness.graphml [2018-11-18 14:19:00,079 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 14:19:00,079 INFO L168 Benchmark]: Toolchain (without parser) took 90014.04 ms. Allocated memory was 1.0 GB in the beginning and 5.0 GB in the end (delta: 4.0 GB). Free memory was 951.1 MB in the beginning and 917.8 MB in the end (delta: 33.3 MB). Peak memory consumption was 4.0 GB. Max. memory is 11.5 GB. [2018-11-18 14:19:00,080 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:19:00,080 INFO L168 Benchmark]: CACSL2BoogieTranslator took 426.87 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 913.5 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-18 14:19:00,080 INFO L168 Benchmark]: Boogie Preprocessor took 132.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 176.2 MB). Free memory was 913.5 MB in the beginning and 1.2 GB in the end (delta: -238.5 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. [2018-11-18 14:19:00,080 INFO L168 Benchmark]: RCFGBuilder took 971.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 121.1 MB). Peak memory consumption was 121.1 MB. Max. memory is 11.5 GB. [2018-11-18 14:19:00,081 INFO L168 Benchmark]: TraceAbstraction took 88346.65 ms. Allocated memory was 1.2 GB in the beginning and 5.0 GB in the end (delta: 3.8 GB). Free memory was 1.0 GB in the beginning and 998.0 MB in the end (delta: 32.9 MB). Peak memory consumption was 4.0 GB. Max. memory is 11.5 GB. [2018-11-18 14:19:00,081 INFO L168 Benchmark]: Witness Printer took 132.96 ms. Allocated memory is still 5.0 GB. Free memory was 998.0 MB in the beginning and 917.8 MB in the end (delta: 80.3 MB). Peak memory consumption was 80.3 MB. Max. memory is 11.5 GB. [2018-11-18 14:19:00,083 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 426.87 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 913.5 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 132.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 176.2 MB). Free memory was 913.5 MB in the beginning and 1.2 GB in the end (delta: -238.5 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 971.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 121.1 MB). Peak memory consumption was 121.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 88346.65 ms. Allocated memory was 1.2 GB in the beginning and 5.0 GB in the end (delta: 3.8 GB). Free memory was 1.0 GB in the beginning and 998.0 MB in the end (delta: 32.9 MB). Peak memory consumption was 4.0 GB. Max. memory is 11.5 GB. * Witness Printer took 132.96 ms. Allocated memory is still 5.0 GB. Free memory was 998.0 MB in the beginning and 917.8 MB in the end (delta: 80.3 MB). Peak memory consumption was 80.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 145]: 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: 880]: Loop Invariant Derived loop invariant: ((((((((((((((((((((12 <= a12 && !(a15 == 8)) && !(5 == a15) && a24 == \old(a24)) || ((a12 + 43 <= 0 && a24 == \old(a24)) && a15 <= 7)) || (12 <= a12 && 1 == a24 && 6 == a21)) || (a24 == \old(a24) && 10 == a21)) || (((6 == a21 && !(2 == a24)) && a12 + 43 <= 0) && a15 <= 8)) || 0 < \old(a12) + 49) || (a15 <= 7 && (a24 == \old(a24) && a21 == 8) && a12 <= 11)) || !(1 == \old(a24))) || !(8 == \old(a15))) || 6 == a15) || (a12 <= 76 && (1 == a24 && 8 == a15) && 9 == a21)) || (a15 <= 7 && 6 == a21 && a12 + 43 <= 0)) || ((12 <= a12 && a12 <= 73282 && 1 == a24) && a15 <= 7)) || (((a12 <= 73282 && 1 == a24) && a21 == 8) && 12 <= a12)) || 7 < \old(a21)) || ((8 == a21 && 1 == a24) && 9 == a15)) || (a15 <= 7 && 1 == a24 && 6 == a21)) || (7 == a15 && 1 == a24)) || \old(a21) < 7) || (1 == a24 && 7 == a21 && a15 <= 8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 255 locations, 1 error locations. SAFE Result, 88.2s OverallTime, 17 OverallIterations, 15 TraceHistogramMax, 43.5s AutomataDifference, 0.0s DeadEndRemovalTime, 15.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 1639 SDtfs, 42118 SDslu, 3937 SDs, 0 SdLazy, 58477 SolverSat, 9984 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 26.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14219 GetRequests, 13721 SyntacticMatches, 15 SemanticMatches, 483 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7901 ImplicationChecksByTransitivity, 9.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24275occurred in iteration=11, 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: 2.8s AutomataMinimizationTime, 17 MinimizatonAttempts, 8619 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 839 PreInvPairs, 1023 NumberOfFragments, 878 HoareAnnotationTreeSize, 839 FomulaSimplifications, 2359461 FormulaSimplificationTreeSizeReduction, 4.6s HoareSimplificationTime, 7 FomulaSimplificationsInter, 593335 FormulaSimplificationTreeSizeReductionInter, 11.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.5s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 10.7s InterpolantComputationTime, 29350 NumberOfCodeBlocks, 29350 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 29320 ConstructedInterpolants, 0 QuantifiedInterpolants, 100768430 SizeOfPredicates, 8 NumberOfNonLiveVariables, 18533 ConjunctsInSsa, 98 ConjunctsInUnsatCore, 30 InterpolantComputations, 6 PerfectInterpolantSequences, 98158/108140 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...