./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 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_bdc32f4b-4025-408c-8681-358c477f088c/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_bdc32f4b-4025-408c-8681-358c477f088c/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_bdc32f4b-4025-408c-8681-358c477f088c/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_bdc32f4b-4025-408c-8681-358c477f088c/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_bdc32f4b-4025-408c-8681-358c477f088c/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_bdc32f4b-4025-408c-8681-358c477f088c/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 0.1.23-1dbac8b [2018-11-10 10:33:07,331 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 10:33:07,333 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 10:33:07,340 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 10:33:07,340 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 10:33:07,341 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 10:33:07,342 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 10:33:07,343 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 10:33:07,344 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 10:33:07,344 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 10:33:07,345 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 10:33:07,345 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 10:33:07,345 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 10:33:07,346 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 10:33:07,347 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 10:33:07,347 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 10:33:07,348 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 10:33:07,349 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 10:33:07,350 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 10:33:07,351 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 10:33:07,352 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 10:33:07,353 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 10:33:07,354 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 10:33:07,355 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 10:33:07,355 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 10:33:07,355 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 10:33:07,356 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 10:33:07,357 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 10:33:07,357 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 10:33:07,358 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 10:33:07,358 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 10:33:07,359 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 10:33:07,359 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 10:33:07,359 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 10:33:07,359 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 10:33:07,360 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 10:33:07,360 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_bdc32f4b-4025-408c-8681-358c477f088c/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-10 10:33:07,370 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 10:33:07,370 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 10:33:07,371 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 10:33:07,371 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 10:33:07,371 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 10:33:07,371 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 10:33:07,372 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 10:33:07,372 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 10:33:07,372 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 10:33:07,372 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 10:33:07,372 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 10:33:07,372 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 10:33:07,373 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 10:33:07,373 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 10:33:07,373 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 10:33:07,373 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 10:33:07,373 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 10:33:07,373 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 10:33:07,374 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 10:33:07,374 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 10:33:07,374 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 10:33:07,374 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 10:33:07,374 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 10:33:07,374 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 10:33:07,374 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 10:33:07,375 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 10:33:07,375 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 10:33:07,375 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 10:33:07,375 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 10:33:07,375 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_bdc32f4b-4025-408c-8681-358c477f088c/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 [2018-11-10 10:33:07,397 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 10:33:07,405 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 10:33:07,408 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 10:33:07,409 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 10:33:07,409 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 10:33:07,409 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_bdc32f4b-4025-408c-8681-358c477f088c/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem14_label07_true-unreach-call_false-termination.c [2018-11-10 10:33:07,453 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bdc32f4b-4025-408c-8681-358c477f088c/bin-2019/uautomizer/data/05b46b95f/dd6464ef7be54774be23466e3757705e/FLAG53fd84672 [2018-11-10 10:33:07,808 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 10:33:07,809 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_bdc32f4b-4025-408c-8681-358c477f088c/sv-benchmarks/c/eca-rers2012/Problem14_label07_true-unreach-call_false-termination.c [2018-11-10 10:33:07,818 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bdc32f4b-4025-408c-8681-358c477f088c/bin-2019/uautomizer/data/05b46b95f/dd6464ef7be54774be23466e3757705e/FLAG53fd84672 [2018-11-10 10:33:07,830 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_bdc32f4b-4025-408c-8681-358c477f088c/bin-2019/uautomizer/data/05b46b95f/dd6464ef7be54774be23466e3757705e [2018-11-10 10:33:07,833 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 10:33:07,834 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 10:33:07,834 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 10:33:07,834 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 10:33:07,837 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 10:33:07,838 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:33:07" (1/1) ... [2018-11-10 10:33:07,840 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61258a75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:33:07, skipping insertion in model container [2018-11-10 10:33:07,840 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:33:07" (1/1) ... [2018-11-10 10:33:07,846 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 10:33:07,884 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 10:33:08,105 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:33:08,109 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 10:33:08,194 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:33:08,206 INFO L193 MainTranslator]: Completed translation [2018-11-10 10:33:08,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:33:08 WrapperNode [2018-11-10 10:33:08,207 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 10:33:08,207 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 10:33:08,207 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 10:33:08,208 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 10:33:08,219 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:33:08" (1/1) ... [2018-11-10 10:33:08,219 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:33:08" (1/1) ... [2018-11-10 10:33:08,286 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:33:08" (1/1) ... [2018-11-10 10:33:08,286 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:33:08" (1/1) ... [2018-11-10 10:33:08,312 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:33:08" (1/1) ... [2018-11-10 10:33:08,322 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:33:08" (1/1) ... [2018-11-10 10:33:08,327 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:33:08" (1/1) ... [2018-11-10 10:33:08,334 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 10:33:08,334 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 10:33:08,334 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 10:33:08,334 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 10:33:08,335 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:33:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bdc32f4b-4025-408c-8681-358c477f088c/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 [2018-11-10 10:33:08,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 10:33:08,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 10:33:08,373 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-10 10:33:08,373 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 10:33:08,373 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-10 10:33:08,374 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 10:33:08,374 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-10 10:33:08,374 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-10 10:33:08,374 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 10:33:08,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 10:33:08,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 10:33:09,359 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 10:33:09,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:33:09 BoogieIcfgContainer [2018-11-10 10:33:09,359 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 10:33:09,360 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 10:33:09,360 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 10:33:09,363 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 10:33:09,363 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 10:33:07" (1/3) ... [2018-11-10 10:33:09,363 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@561d6378 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:33:09, skipping insertion in model container [2018-11-10 10:33:09,363 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:33:08" (2/3) ... [2018-11-10 10:33:09,364 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@561d6378 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:33:09, skipping insertion in model container [2018-11-10 10:33:09,364 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:33:09" (3/3) ... [2018-11-10 10:33:09,365 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label07_true-unreach-call_false-termination.c [2018-11-10 10:33:09,373 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 10:33:09,379 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 10:33:09,392 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 10:33:09,419 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 10:33:09,419 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 10:33:09,419 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 10:33:09,419 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 10:33:09,420 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 10:33:09,420 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 10:33:09,420 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 10:33:09,420 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 10:33:09,420 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 10:33:09,439 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states. [2018-11-10 10:33:09,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-10 10:33:09,445 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:33:09,446 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] [2018-11-10 10:33:09,448 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:33:09,452 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:33:09,453 INFO L82 PathProgramCache]: Analyzing trace with hash -989245532, now seen corresponding path program 1 times [2018-11-10 10:33:09,454 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 10:33:09,455 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 10:33:09,496 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:33:09,496 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:33:09,496 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:33:09,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:33:09,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:33:09,680 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 10:33:09,680 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 10:33:09,684 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 10:33:09,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 10:33:09,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-10 10:33:09,698 INFO L87 Difference]: Start difference. First operand 255 states. Second operand 4 states. [2018-11-10 10:33:10,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:33:10,829 INFO L93 Difference]: Finished difference Result 894 states and 1610 transitions. [2018-11-10 10:33:10,829 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 10:33:10,830 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 54 [2018-11-10 10:33:10,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:33:10,843 INFO L225 Difference]: With dead ends: 894 [2018-11-10 10:33:10,843 INFO L226 Difference]: Without dead ends: 633 [2018-11-10 10:33:10,848 INFO L605 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 [2018-11-10 10:33:10,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2018-11-10 10:33:10,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 434. [2018-11-10 10:33:10,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 434 states. [2018-11-10 10:33:10,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 662 transitions. [2018-11-10 10:33:10,902 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 662 transitions. Word has length 54 [2018-11-10 10:33:10,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:33:10,902 INFO L481 AbstractCegarLoop]: Abstraction has 434 states and 662 transitions. [2018-11-10 10:33:10,903 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 10:33:10,903 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 662 transitions. [2018-11-10 10:33:10,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-10 10:33:10,907 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:33:10,908 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] [2018-11-10 10:33:10,910 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:33:10,910 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:33:10,910 INFO L82 PathProgramCache]: Analyzing trace with hash 1614354860, now seen corresponding path program 1 times [2018-11-10 10:33:10,910 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 10:33:10,911 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 10:33:10,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:33:10,912 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:33:10,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:33:10,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:33:11,047 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:33:11,047 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 10:33:11,047 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 10:33:11,049 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 10:33:11,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 10:33:11,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-10 10:33:11,049 INFO L87 Difference]: Start difference. First operand 434 states and 662 transitions. Second operand 4 states. [2018-11-10 10:33:11,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:33:11,865 INFO L93 Difference]: Finished difference Result 1594 states and 2533 transitions. [2018-11-10 10:33:11,866 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 10:33:11,866 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 138 [2018-11-10 10:33:11,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:33:11,875 INFO L225 Difference]: With dead ends: 1594 [2018-11-10 10:33:11,875 INFO L226 Difference]: Without dead ends: 780 [2018-11-10 10:33:11,880 INFO L605 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 [2018-11-10 10:33:11,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 780 states. [2018-11-10 10:33:11,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 780 to 780. [2018-11-10 10:33:11,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 780 states. [2018-11-10 10:33:11,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 780 states and 1152 transitions. [2018-11-10 10:33:11,907 INFO L78 Accepts]: Start accepts. Automaton has 780 states and 1152 transitions. Word has length 138 [2018-11-10 10:33:11,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:33:11,908 INFO L481 AbstractCegarLoop]: Abstraction has 780 states and 1152 transitions. [2018-11-10 10:33:11,908 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 10:33:11,908 INFO L276 IsEmpty]: Start isEmpty. Operand 780 states and 1152 transitions. [2018-11-10 10:33:11,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-11-10 10:33:11,914 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:33:11,914 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] [2018-11-10 10:33:11,914 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:33:11,914 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:33:11,914 INFO L82 PathProgramCache]: Analyzing trace with hash 1391925776, now seen corresponding path program 1 times [2018-11-10 10:33:11,915 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 10:33:11,915 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 10:33:11,915 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:33:11,916 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:33:11,916 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:33:11,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:33:12,067 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-10 10:33:12,068 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 10:33:12,068 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 10:33:12,068 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 10:33:12,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 10:33:12,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-10 10:33:12,069 INFO L87 Difference]: Start difference. First operand 780 states and 1152 transitions. Second operand 4 states. [2018-11-10 10:33:14,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:33:14,902 INFO L93 Difference]: Finished difference Result 3018 states and 4610 transitions. [2018-11-10 10:33:14,903 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 10:33:14,903 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 224 [2018-11-10 10:33:14,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:33:14,913 INFO L225 Difference]: With dead ends: 3018 [2018-11-10 10:33:14,913 INFO L226 Difference]: Without dead ends: 2244 [2018-11-10 10:33:14,918 INFO L605 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 [2018-11-10 10:33:14,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2244 states. [2018-11-10 10:33:14,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2244 to 2244. [2018-11-10 10:33:14,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2244 states. [2018-11-10 10:33:14,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2244 states to 2244 states and 3149 transitions. [2018-11-10 10:33:14,963 INFO L78 Accepts]: Start accepts. Automaton has 2244 states and 3149 transitions. Word has length 224 [2018-11-10 10:33:14,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:33:14,964 INFO L481 AbstractCegarLoop]: Abstraction has 2244 states and 3149 transitions. [2018-11-10 10:33:14,964 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 10:33:14,964 INFO L276 IsEmpty]: Start isEmpty. Operand 2244 states and 3149 transitions. [2018-11-10 10:33:14,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2018-11-10 10:33:14,972 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:33:14,972 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] [2018-11-10 10:33:14,972 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:33:14,972 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:33:14,972 INFO L82 PathProgramCache]: Analyzing trace with hash -1136291269, now seen corresponding path program 1 times [2018-11-10 10:33:14,972 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 10:33:14,972 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 10:33:14,973 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:33:14,973 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:33:14,973 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:33:15,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:33:15,246 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 94 proven. 108 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-10 10:33:15,246 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 10:33:15,247 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bdc32f4b-4025-408c-8681-358c477f088c/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 [2018-11-10 10:33:15,254 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:33:15,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:33:15,326 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 10:33:15,478 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 159 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-10 10:33:15,495 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-10 10:33:15,495 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 10 [2018-11-10 10:33:15,496 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-10 10:33:15,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-10 10:33:15,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2018-11-10 10:33:15,496 INFO L87 Difference]: Start difference. First operand 2244 states and 3149 transitions. Second operand 10 states. [2018-11-10 10:33:20,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:33:20,801 INFO L93 Difference]: Finished difference Result 8037 states and 12381 transitions. [2018-11-10 10:33:20,802 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-11-10 10:33:20,802 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 319 [2018-11-10 10:33:20,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:33:20,830 INFO L225 Difference]: With dead ends: 8037 [2018-11-10 10:33:20,830 INFO L226 Difference]: Without dead ends: 5799 [2018-11-10 10:33:20,844 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 372 GetRequests, 339 SyntacticMatches, 2 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 227 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=240, Invalid=816, Unknown=0, NotChecked=0, Total=1056 [2018-11-10 10:33:20,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5799 states. [2018-11-10 10:33:20,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5799 to 5470. [2018-11-10 10:33:20,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5470 states. [2018-11-10 10:33:20,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5470 states to 5470 states and 7470 transitions. [2018-11-10 10:33:20,960 INFO L78 Accepts]: Start accepts. Automaton has 5470 states and 7470 transitions. Word has length 319 [2018-11-10 10:33:20,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:33:20,960 INFO L481 AbstractCegarLoop]: Abstraction has 5470 states and 7470 transitions. [2018-11-10 10:33:20,960 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-10 10:33:20,960 INFO L276 IsEmpty]: Start isEmpty. Operand 5470 states and 7470 transitions. [2018-11-10 10:33:20,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 397 [2018-11-10 10:33:20,971 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:33:20,971 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] [2018-11-10 10:33:20,971 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:33:20,971 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:33:20,972 INFO L82 PathProgramCache]: Analyzing trace with hash 1726878696, now seen corresponding path program 1 times [2018-11-10 10:33:20,972 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 10:33:20,972 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 10:33:20,972 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:33:20,972 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:33:20,973 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:33:20,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:33:21,206 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 147 proven. 191 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-11-10 10:33:21,207 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 10:33:21,207 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bdc32f4b-4025-408c-8681-358c477f088c/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 [2018-11-10 10:33:21,212 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:33:21,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:33:21,276 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 10:33:21,367 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 361 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-10 10:33:21,384 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 10:33:21,385 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2018-11-10 10:33:21,385 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 10:33:21,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 10:33:21,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-11-10 10:33:21,386 INFO L87 Difference]: Start difference. First operand 5470 states and 7470 transitions. Second operand 9 states. [2018-11-10 10:33:22,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:33:22,280 INFO L93 Difference]: Finished difference Result 11825 states and 16877 transitions. [2018-11-10 10:33:22,280 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 10:33:22,280 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 396 [2018-11-10 10:33:22,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:33:22,305 INFO L225 Difference]: With dead ends: 11825 [2018-11-10 10:33:22,306 INFO L226 Difference]: Without dead ends: 6361 [2018-11-10 10:33:22,322 INFO L605 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 [2018-11-10 10:33:22,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6361 states. [2018-11-10 10:33:22,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6361 to 5843. [2018-11-10 10:33:22,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5843 states. [2018-11-10 10:33:22,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5843 states to 5843 states and 7512 transitions. [2018-11-10 10:33:22,436 INFO L78 Accepts]: Start accepts. Automaton has 5843 states and 7512 transitions. Word has length 396 [2018-11-10 10:33:22,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:33:22,437 INFO L481 AbstractCegarLoop]: Abstraction has 5843 states and 7512 transitions. [2018-11-10 10:33:22,437 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 10:33:22,437 INFO L276 IsEmpty]: Start isEmpty. Operand 5843 states and 7512 transitions. [2018-11-10 10:33:22,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2018-11-10 10:33:22,448 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:33:22,449 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] [2018-11-10 10:33:22,449 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:33:22,449 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:33:22,449 INFO L82 PathProgramCache]: Analyzing trace with hash 569672711, now seen corresponding path program 1 times [2018-11-10 10:33:22,449 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 10:33:22,450 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 10:33:22,450 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:33:22,450 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:33:22,450 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:33:22,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:33:23,173 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 237 proven. 237 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:33:23,173 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 10:33:23,173 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bdc32f4b-4025-408c-8681-358c477f088c/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 [2018-11-10 10:33:23,179 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:33:23,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:33:23,245 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 10:33:23,340 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 265 proven. 0 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2018-11-10 10:33:23,366 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-10 10:33:23,366 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [19] total 22 [2018-11-10 10:33:23,367 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-11-10 10:33:23,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-11-10 10:33:23,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=390, Unknown=0, NotChecked=0, Total=462 [2018-11-10 10:33:23,367 INFO L87 Difference]: Start difference. First operand 5843 states and 7512 transitions. Second operand 22 states. [2018-11-10 10:33:30,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:33:30,691 INFO L93 Difference]: Finished difference Result 17073 states and 23998 transitions. [2018-11-10 10:33:30,692 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2018-11-10 10:33:30,692 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 429 [2018-11-10 10:33:30,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:33:30,725 INFO L225 Difference]: With dead ends: 17073 [2018-11-10 10:33:30,725 INFO L226 Difference]: Without dead ends: 10564 [2018-11-10 10:33:30,754 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 529 GetRequests, 427 SyntacticMatches, 1 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3566 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=1792, Invalid=8714, Unknown=0, NotChecked=0, Total=10506 [2018-11-10 10:33:30,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10564 states. [2018-11-10 10:33:30,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10564 to 9958. [2018-11-10 10:33:30,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9958 states. [2018-11-10 10:33:30,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9958 states to 9958 states and 12137 transitions. [2018-11-10 10:33:30,921 INFO L78 Accepts]: Start accepts. Automaton has 9958 states and 12137 transitions. Word has length 429 [2018-11-10 10:33:30,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:33:30,921 INFO L481 AbstractCegarLoop]: Abstraction has 9958 states and 12137 transitions. [2018-11-10 10:33:30,921 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-11-10 10:33:30,921 INFO L276 IsEmpty]: Start isEmpty. Operand 9958 states and 12137 transitions. [2018-11-10 10:33:30,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 686 [2018-11-10 10:33:30,943 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:33:30,944 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] [2018-11-10 10:33:30,944 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:33:30,944 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:33:30,944 INFO L82 PathProgramCache]: Analyzing trace with hash 806332815, now seen corresponding path program 1 times [2018-11-10 10:33:30,945 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 10:33:30,945 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 10:33:30,945 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:33:30,945 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:33:30,946 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:33:30,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:33:31,768 INFO L134 CoverageAnalysis]: Checked inductivity of 1230 backedges. 333 proven. 570 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2018-11-10 10:33:31,769 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 10:33:31,769 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bdc32f4b-4025-408c-8681-358c477f088c/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 [2018-11-10 10:33:31,775 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:33:31,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:33:31,868 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 10:33:32,189 INFO L134 CoverageAnalysis]: Checked inductivity of 1230 backedges. 970 proven. 2 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2018-11-10 10:33:32,204 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 10:33:32,205 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 6] total 17 [2018-11-10 10:33:32,205 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-10 10:33:32,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-10 10:33:32,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=218, Unknown=0, NotChecked=0, Total=272 [2018-11-10 10:33:32,206 INFO L87 Difference]: Start difference. First operand 9958 states and 12137 transitions. Second operand 17 states. [2018-11-10 10:33:36,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:33:36,939 INFO L93 Difference]: Finished difference Result 24163 states and 30401 transitions. [2018-11-10 10:33:36,939 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-11-10 10:33:36,939 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 685 [2018-11-10 10:33:36,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:33:36,967 INFO L225 Difference]: With dead ends: 24163 [2018-11-10 10:33:36,967 INFO L226 Difference]: Without dead ends: 13934 [2018-11-10 10:33:36,991 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 771 GetRequests, 714 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1020 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=617, Invalid=2805, Unknown=0, NotChecked=0, Total=3422 [2018-11-10 10:33:36,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13934 states. [2018-11-10 10:33:37,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13934 to 13296. [2018-11-10 10:33:37,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13296 states. [2018-11-10 10:33:37,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13296 states to 13296 states and 15249 transitions. [2018-11-10 10:33:37,198 INFO L78 Accepts]: Start accepts. Automaton has 13296 states and 15249 transitions. Word has length 685 [2018-11-10 10:33:37,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:33:37,198 INFO L481 AbstractCegarLoop]: Abstraction has 13296 states and 15249 transitions. [2018-11-10 10:33:37,198 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-10 10:33:37,198 INFO L276 IsEmpty]: Start isEmpty. Operand 13296 states and 15249 transitions. [2018-11-10 10:33:37,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 806 [2018-11-10 10:33:37,247 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:33:37,247 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] [2018-11-10 10:33:37,247 INFO L424 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:33:37,247 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:33:37,248 INFO L82 PathProgramCache]: Analyzing trace with hash -1733960817, now seen corresponding path program 1 times [2018-11-10 10:33:37,248 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 10:33:37,248 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 10:33:37,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:33:37,248 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:33:37,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:33:37,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:33:37,832 INFO L134 CoverageAnalysis]: Checked inductivity of 1843 backedges. 655 proven. 228 refuted. 0 times theorem prover too weak. 960 trivial. 0 not checked. [2018-11-10 10:33:37,832 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 10:33:37,832 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bdc32f4b-4025-408c-8681-358c477f088c/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 [2018-11-10 10:33:37,838 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:33:37,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:33:37,938 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 10:33:38,164 INFO L134 CoverageAnalysis]: Checked inductivity of 1843 backedges. 1340 proven. 2 refuted. 0 times theorem prover too weak. 501 trivial. 0 not checked. [2018-11-10 10:33:38,180 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 10:33:38,181 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2018-11-10 10:33:38,181 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 10:33:38,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 10:33:38,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-11-10 10:33:38,182 INFO L87 Difference]: Start difference. First operand 13296 states and 15249 transitions. Second operand 7 states. [2018-11-10 10:33:40,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:33:40,323 INFO L93 Difference]: Finished difference Result 34566 states and 46047 transitions. [2018-11-10 10:33:40,323 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-10 10:33:40,323 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 805 [2018-11-10 10:33:40,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:33:40,420 INFO L225 Difference]: With dead ends: 34566 [2018-11-10 10:33:40,420 INFO L226 Difference]: Without dead ends: 21459 [2018-11-10 10:33:40,474 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 821 GetRequests, 810 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2018-11-10 10:33:40,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21459 states. [2018-11-10 10:33:40,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21459 to 20824. [2018-11-10 10:33:40,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20824 states. [2018-11-10 10:33:40,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20824 states to 20824 states and 24877 transitions. [2018-11-10 10:33:40,866 INFO L78 Accepts]: Start accepts. Automaton has 20824 states and 24877 transitions. Word has length 805 [2018-11-10 10:33:40,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:33:40,866 INFO L481 AbstractCegarLoop]: Abstraction has 20824 states and 24877 transitions. [2018-11-10 10:33:40,866 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 10:33:40,866 INFO L276 IsEmpty]: Start isEmpty. Operand 20824 states and 24877 transitions. [2018-11-10 10:33:40,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 866 [2018-11-10 10:33:40,891 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:33:40,892 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] [2018-11-10 10:33:40,892 INFO L424 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:33:40,892 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:33:40,892 INFO L82 PathProgramCache]: Analyzing trace with hash 1566143959, now seen corresponding path program 1 times [2018-11-10 10:33:40,892 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 10:33:40,892 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 10:33:40,893 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:33:40,893 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:33:40,893 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:33:40,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:33:41,465 INFO L134 CoverageAnalysis]: Checked inductivity of 1937 backedges. 534 proven. 403 refuted. 0 times theorem prover too weak. 1000 trivial. 0 not checked. [2018-11-10 10:33:41,465 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 10:33:41,465 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bdc32f4b-4025-408c-8681-358c477f088c/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 [2018-11-10 10:33:41,470 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:33:41,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:33:41,582 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 10:33:41,848 INFO L134 CoverageAnalysis]: Checked inductivity of 1937 backedges. 1372 proven. 2 refuted. 0 times theorem prover too weak. 563 trivial. 0 not checked. [2018-11-10 10:33:41,864 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 10:33:41,864 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 7 [2018-11-10 10:33:41,865 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 10:33:41,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 10:33:41,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-10 10:33:41,865 INFO L87 Difference]: Start difference. First operand 20824 states and 24877 transitions. Second operand 7 states. [2018-11-10 10:33:42,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:33:42,840 INFO L93 Difference]: Finished difference Result 40639 states and 48788 transitions. [2018-11-10 10:33:42,840 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-10 10:33:42,840 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 865 [2018-11-10 10:33:42,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:33:42,876 INFO L225 Difference]: With dead ends: 40639 [2018-11-10 10:33:42,876 INFO L226 Difference]: Without dead ends: 20004 [2018-11-10 10:33:42,916 INFO L605 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 [2018-11-10 10:33:42,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20004 states. [2018-11-10 10:33:43,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20004 to 19695. [2018-11-10 10:33:43,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19695 states. [2018-11-10 10:33:43,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19695 states to 19695 states and 22211 transitions. [2018-11-10 10:33:43,118 INFO L78 Accepts]: Start accepts. Automaton has 19695 states and 22211 transitions. Word has length 865 [2018-11-10 10:33:43,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:33:43,118 INFO L481 AbstractCegarLoop]: Abstraction has 19695 states and 22211 transitions. [2018-11-10 10:33:43,118 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 10:33:43,118 INFO L276 IsEmpty]: Start isEmpty. Operand 19695 states and 22211 transitions. [2018-11-10 10:33:43,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 966 [2018-11-10 10:33:43,135 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:33:43,135 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] [2018-11-10 10:33:43,136 INFO L424 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:33:43,136 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:33:43,136 INFO L82 PathProgramCache]: Analyzing trace with hash -201399489, now seen corresponding path program 1 times [2018-11-10 10:33:43,136 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 10:33:43,136 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 10:33:43,137 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:33:43,137 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:33:43,137 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:33:43,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:33:43,776 INFO L134 CoverageAnalysis]: Checked inductivity of 2621 backedges. 875 proven. 228 refuted. 0 times theorem prover too weak. 1518 trivial. 0 not checked. [2018-11-10 10:33:43,776 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 10:33:43,777 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bdc32f4b-4025-408c-8681-358c477f088c/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 [2018-11-10 10:33:43,786 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:33:43,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:33:43,904 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 10:33:44,212 INFO L134 CoverageAnalysis]: Checked inductivity of 2621 backedges. 1782 proven. 2 refuted. 0 times theorem prover too weak. 837 trivial. 0 not checked. [2018-11-10 10:33:44,228 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 10:33:44,228 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2018-11-10 10:33:44,229 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 10:33:44,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 10:33:44,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-11-10 10:33:44,229 INFO L87 Difference]: Start difference. First operand 19695 states and 22211 transitions. Second operand 7 states. [2018-11-10 10:33:45,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:33:45,869 INFO L93 Difference]: Finished difference Result 40635 states and 45984 transitions. [2018-11-10 10:33:45,869 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-10 10:33:45,869 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 965 [2018-11-10 10:33:45,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:33:45,909 INFO L225 Difference]: With dead ends: 40635 [2018-11-10 10:33:45,909 INFO L226 Difference]: Without dead ends: 21129 [2018-11-10 10:33:45,950 INFO L605 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 [2018-11-10 10:33:45,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21129 states. [2018-11-10 10:33:46,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21129 to 20417. [2018-11-10 10:33:46,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20417 states. [2018-11-10 10:33:46,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20417 states to 20417 states and 22786 transitions. [2018-11-10 10:33:46,222 INFO L78 Accepts]: Start accepts. Automaton has 20417 states and 22786 transitions. Word has length 965 [2018-11-10 10:33:46,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:33:46,223 INFO L481 AbstractCegarLoop]: Abstraction has 20417 states and 22786 transitions. [2018-11-10 10:33:46,223 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 10:33:46,223 INFO L276 IsEmpty]: Start isEmpty. Operand 20417 states and 22786 transitions. [2018-11-10 10:33:46,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1143 [2018-11-10 10:33:46,254 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:33:46,254 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 10:33:46,255 INFO L424 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:33:46,255 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:33:46,255 INFO L82 PathProgramCache]: Analyzing trace with hash -207694320, now seen corresponding path program 1 times [2018-11-10 10:33:46,255 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 10:33:46,255 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 10:33:46,256 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:33:46,256 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:33:46,256 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:33:46,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:33:47,297 INFO L134 CoverageAnalysis]: Checked inductivity of 3921 backedges. 1627 proven. 230 refuted. 0 times theorem prover too weak. 2064 trivial. 0 not checked. [2018-11-10 10:33:47,297 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 10:33:47,297 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bdc32f4b-4025-408c-8681-358c477f088c/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 [2018-11-10 10:33:47,302 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:33:47,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:33:47,433 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 10:33:47,865 INFO L134 CoverageAnalysis]: Checked inductivity of 3921 backedges. 2426 proven. 6 refuted. 0 times theorem prover too weak. 1489 trivial. 0 not checked. [2018-11-10 10:33:47,882 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 10:33:47,882 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2018-11-10 10:33:47,883 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 10:33:47,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 10:33:47,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-11-10 10:33:47,883 INFO L87 Difference]: Start difference. First operand 20417 states and 22786 transitions. Second operand 9 states. [2018-11-10 10:33:50,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:33:50,555 INFO L93 Difference]: Finished difference Result 45844 states and 51239 transitions. [2018-11-10 10:33:50,556 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-10 10:33:50,556 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1142 [2018-11-10 10:33:50,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:33:50,589 INFO L225 Difference]: With dead ends: 45844 [2018-11-10 10:33:50,589 INFO L226 Difference]: Without dead ends: 25616 [2018-11-10 10:33:50,614 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 1161 GetRequests, 1147 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2018-11-10 10:33:50,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25616 states. [2018-11-10 10:33:50,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25616 to 25101. [2018-11-10 10:33:50,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25101 states. [2018-11-10 10:33:50,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25101 states to 25101 states and 27997 transitions. [2018-11-10 10:33:50,847 INFO L78 Accepts]: Start accepts. Automaton has 25101 states and 27997 transitions. Word has length 1142 [2018-11-10 10:33:50,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:33:50,848 INFO L481 AbstractCegarLoop]: Abstraction has 25101 states and 27997 transitions. [2018-11-10 10:33:50,848 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 10:33:50,848 INFO L276 IsEmpty]: Start isEmpty. Operand 25101 states and 27997 transitions. [2018-11-10 10:33:50,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1295 [2018-11-10 10:33:50,867 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:33:50,868 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 10:33:50,868 INFO L424 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:33:50,868 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:33:50,868 INFO L82 PathProgramCache]: Analyzing trace with hash -334220340, now seen corresponding path program 1 times [2018-11-10 10:33:50,868 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 10:33:50,868 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 10:33:50,869 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:33:50,869 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:33:50,869 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:33:50,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:33:52,800 INFO L134 CoverageAnalysis]: Checked inductivity of 5131 backedges. 1352 proven. 944 refuted. 0 times theorem prover too weak. 2835 trivial. 0 not checked. [2018-11-10 10:33:52,800 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 10:33:52,800 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bdc32f4b-4025-408c-8681-358c477f088c/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 [2018-11-10 10:33:52,805 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:33:52,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:33:52,950 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 10:33:53,522 INFO L134 CoverageAnalysis]: Checked inductivity of 5131 backedges. 2307 proven. 2 refuted. 0 times theorem prover too weak. 2822 trivial. 0 not checked. [2018-11-10 10:33:53,539 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 10:33:53,539 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 5] total 17 [2018-11-10 10:33:53,540 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-10 10:33:53,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-10 10:33:53,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2018-11-10 10:33:53,540 INFO L87 Difference]: Start difference. First operand 25101 states and 27997 transitions. Second operand 17 states. [2018-11-10 10:33:56,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:33:56,850 INFO L93 Difference]: Finished difference Result 50681 states and 56617 transitions. [2018-11-10 10:33:56,850 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-11-10 10:33:56,851 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 1294 [2018-11-10 10:33:56,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:33:56,885 INFO L225 Difference]: With dead ends: 50681 [2018-11-10 10:33:56,885 INFO L226 Difference]: Without dead ends: 25769 [2018-11-10 10:33:56,914 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 1371 GetRequests, 1319 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 734 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=567, Invalid=2295, Unknown=0, NotChecked=0, Total=2862 [2018-11-10 10:33:56,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25769 states. [2018-11-10 10:33:57,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25769 to 25097. [2018-11-10 10:33:57,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25097 states. [2018-11-10 10:33:57,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25097 states to 25097 states and 27815 transitions. [2018-11-10 10:33:57,136 INFO L78 Accepts]: Start accepts. Automaton has 25097 states and 27815 transitions. Word has length 1294 [2018-11-10 10:33:57,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:33:57,137 INFO L481 AbstractCegarLoop]: Abstraction has 25097 states and 27815 transitions. [2018-11-10 10:33:57,137 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-10 10:33:57,137 INFO L276 IsEmpty]: Start isEmpty. Operand 25097 states and 27815 transitions. [2018-11-10 10:33:57,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1500 [2018-11-10 10:33:57,169 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:33:57,169 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, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 10:33:57,169 INFO L424 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:33:57,170 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:33:57,170 INFO L82 PathProgramCache]: Analyzing trace with hash -498651405, now seen corresponding path program 1 times [2018-11-10 10:33:57,170 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 10:33:57,170 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 10:33:57,171 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:33:57,171 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:33:57,171 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:33:57,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:33:59,654 INFO L134 CoverageAnalysis]: Checked inductivity of 6506 backedges. 1226 proven. 3191 refuted. 0 times theorem prover too weak. 2089 trivial. 0 not checked. [2018-11-10 10:33:59,654 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 10:33:59,654 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bdc32f4b-4025-408c-8681-358c477f088c/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 [2018-11-10 10:33:59,659 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:33:59,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:33:59,844 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 10:34:00,495 INFO L134 CoverageAnalysis]: Checked inductivity of 6506 backedges. 3941 proven. 2 refuted. 0 times theorem prover too weak. 2563 trivial. 0 not checked. [2018-11-10 10:34:00,511 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 10:34:00,512 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 5] total 19 [2018-11-10 10:34:00,512 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-10 10:34:00,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-10 10:34:00,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=275, Unknown=0, NotChecked=0, Total=342 [2018-11-10 10:34:00,513 INFO L87 Difference]: Start difference. First operand 25097 states and 27815 transitions. Second operand 19 states. [2018-11-10 10:34:05,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:34:05,105 INFO L93 Difference]: Finished difference Result 50008 states and 58961 transitions. [2018-11-10 10:34:05,105 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2018-11-10 10:34:05,105 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 1499 [2018-11-10 10:34:05,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:34:05,172 INFO L225 Difference]: With dead ends: 50008 [2018-11-10 10:34:05,173 INFO L226 Difference]: Without dead ends: 25100 [2018-11-10 10:34:05,214 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 1602 GetRequests, 1535 SyntacticMatches, 2 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1245 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=948, Invalid=3474, Unknown=0, NotChecked=0, Total=4422 [2018-11-10 10:34:05,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25100 states. [2018-11-10 10:34:05,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25100 to 24060. [2018-11-10 10:34:05,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24060 states. [2018-11-10 10:34:05,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24060 states to 24060 states and 26254 transitions. [2018-11-10 10:34:05,520 INFO L78 Accepts]: Start accepts. Automaton has 24060 states and 26254 transitions. Word has length 1499 [2018-11-10 10:34:05,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:34:05,520 INFO L481 AbstractCegarLoop]: Abstraction has 24060 states and 26254 transitions. [2018-11-10 10:34:05,520 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-10 10:34:05,520 INFO L276 IsEmpty]: Start isEmpty. Operand 24060 states and 26254 transitions. [2018-11-10 10:34:05,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1619 [2018-11-10 10:34:05,540 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:34:05,541 INFO L375 BasicCegarLoop]: trace histogram [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, 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, 12, 12, 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, 9, 8, 8, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 10:34:05,541 INFO L424 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:34:05,541 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:34:05,541 INFO L82 PathProgramCache]: Analyzing trace with hash 1054143840, now seen corresponding path program 1 times [2018-11-10 10:34:05,541 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 10:34:05,541 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 10:34:05,542 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:34:05,542 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:34:05,542 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:34:05,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:07,515 INFO L134 CoverageAnalysis]: Checked inductivity of 7759 backedges. 1688 proven. 1168 refuted. 0 times theorem prover too weak. 4903 trivial. 0 not checked. [2018-11-10 10:34:07,516 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 10:34:07,516 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bdc32f4b-4025-408c-8681-358c477f088c/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 [2018-11-10 10:34:07,521 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:34:07,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:07,688 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 10:34:08,459 INFO L134 CoverageAnalysis]: Checked inductivity of 7759 backedges. 2926 proven. 2 refuted. 0 times theorem prover too weak. 4831 trivial. 0 not checked. [2018-11-10 10:34:08,476 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 10:34:08,476 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 5] total 17 [2018-11-10 10:34:08,477 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-10 10:34:08,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-10 10:34:08,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2018-11-10 10:34:08,478 INFO L87 Difference]: Start difference. First operand 24060 states and 26254 transitions. Second operand 17 states. [2018-11-10 10:34:14,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:34:14,319 INFO L93 Difference]: Finished difference Result 48574 states and 53026 transitions. [2018-11-10 10:34:14,320 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-11-10 10:34:14,320 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 1618 [2018-11-10 10:34:14,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:34:14,350 INFO L225 Difference]: With dead ends: 48574 [2018-11-10 10:34:14,351 INFO L226 Difference]: Without dead ends: 24703 [2018-11-10 10:34:14,374 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 1694 GetRequests, 1643 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 677 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=514, Invalid=2242, Unknown=0, NotChecked=0, Total=2756 [2018-11-10 10:34:14,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24703 states. [2018-11-10 10:34:14,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24703 to 24056. [2018-11-10 10:34:14,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24056 states. [2018-11-10 10:34:14,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24056 states to 24056 states and 26149 transitions. [2018-11-10 10:34:14,586 INFO L78 Accepts]: Start accepts. Automaton has 24056 states and 26149 transitions. Word has length 1618 [2018-11-10 10:34:14,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:34:14,587 INFO L481 AbstractCegarLoop]: Abstraction has 24056 states and 26149 transitions. [2018-11-10 10:34:14,587 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-10 10:34:14,587 INFO L276 IsEmpty]: Start isEmpty. Operand 24056 states and 26149 transitions. [2018-11-10 10:34:14,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1838 [2018-11-10 10:34:14,618 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:34:14,618 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, 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, 11, 11, 11, 11, 11, 10, 9, 9, 8, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 10:34:14,618 INFO L424 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:34:14,618 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:34:14,619 INFO L82 PathProgramCache]: Analyzing trace with hash -1505040037, now seen corresponding path program 1 times [2018-11-10 10:34:14,619 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 10:34:14,619 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 10:34:14,619 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:34:14,619 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:34:14,619 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:34:14,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:17,425 INFO L134 CoverageAnalysis]: Checked inductivity of 10458 backedges. 2053 proven. 2489 refuted. 0 times theorem prover too weak. 5916 trivial. 0 not checked. [2018-11-10 10:34:17,425 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 10:34:17,425 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bdc32f4b-4025-408c-8681-358c477f088c/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 [2018-11-10 10:34:17,431 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:34:17,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:17,622 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 10:34:18,495 INFO L134 CoverageAnalysis]: Checked inductivity of 10458 backedges. 4457 proven. 6 refuted. 0 times theorem prover too weak. 5995 trivial. 0 not checked. [2018-11-10 10:34:18,512 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 10:34:18,512 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 5] total 16 [2018-11-10 10:34:18,513 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-10 10:34:18,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-10 10:34:18,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2018-11-10 10:34:18,514 INFO L87 Difference]: Start difference. First operand 24056 states and 26149 transitions. Second operand 16 states. [2018-11-10 10:34:22,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:34:22,062 INFO L93 Difference]: Finished difference Result 47724 states and 52791 transitions. [2018-11-10 10:34:22,062 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-11-10 10:34:22,062 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 1837 [2018-11-10 10:34:22,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:34:22,101 INFO L225 Difference]: With dead ends: 47724 [2018-11-10 10:34:22,101 INFO L226 Difference]: Without dead ends: 23308 [2018-11-10 10:34:22,132 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 1927 GetRequests, 1878 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 682 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=493, Invalid=2057, Unknown=0, NotChecked=0, Total=2550 [2018-11-10 10:34:22,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23308 states. [2018-11-10 10:34:22,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23308 to 22248. [2018-11-10 10:34:22,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22248 states. [2018-11-10 10:34:22,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22248 states to 22248 states and 23931 transitions. [2018-11-10 10:34:22,354 INFO L78 Accepts]: Start accepts. Automaton has 22248 states and 23931 transitions. Word has length 1837 [2018-11-10 10:34:22,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:34:22,355 INFO L481 AbstractCegarLoop]: Abstraction has 22248 states and 23931 transitions. [2018-11-10 10:34:22,355 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-10 10:34:22,355 INFO L276 IsEmpty]: Start isEmpty. Operand 22248 states and 23931 transitions. [2018-11-10 10:34:22,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1878 [2018-11-10 10:34:22,382 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:34:22,383 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, 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, 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, 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, 1] [2018-11-10 10:34:22,383 INFO L424 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:34:22,383 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:34:22,383 INFO L82 PathProgramCache]: Analyzing trace with hash -1949467577, now seen corresponding path program 1 times [2018-11-10 10:34:22,383 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 10:34:22,383 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 10:34:22,384 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:34:22,384 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:34:22,384 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:34:22,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:23,909 INFO L134 CoverageAnalysis]: Checked inductivity of 10443 backedges. 2183 proven. 501 refuted. 0 times theorem prover too weak. 7759 trivial. 0 not checked. [2018-11-10 10:34:23,909 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 10:34:23,909 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bdc32f4b-4025-408c-8681-358c477f088c/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 [2018-11-10 10:34:23,919 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:34:24,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:24,115 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 10:34:24,958 INFO L134 CoverageAnalysis]: Checked inductivity of 10443 backedges. 4433 proven. 2 refuted. 0 times theorem prover too weak. 6008 trivial. 0 not checked. [2018-11-10 10:34:24,975 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 10:34:24,975 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2018-11-10 10:34:24,977 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-10 10:34:24,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-10 10:34:24,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-11-10 10:34:24,977 INFO L87 Difference]: Start difference. First operand 22248 states and 23931 transitions. Second operand 11 states. [2018-11-10 10:34:26,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:34:26,718 INFO L93 Difference]: Finished difference Result 44428 states and 47850 transitions. [2018-11-10 10:34:26,718 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-11-10 10:34:26,718 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 1877 [2018-11-10 10:34:26,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:34:26,723 INFO L225 Difference]: With dead ends: 44428 [2018-11-10 10:34:26,723 INFO L226 Difference]: Without dead ends: 4820 [2018-11-10 10:34:26,748 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 1920 GetRequests, 1891 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 194 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=224, Invalid=646, Unknown=0, NotChecked=0, Total=870 [2018-11-10 10:34:26,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4820 states. [2018-11-10 10:34:26,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4820 to 4098. [2018-11-10 10:34:26,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4098 states. [2018-11-10 10:34:26,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4098 states to 4098 states and 4204 transitions. [2018-11-10 10:34:26,797 INFO L78 Accepts]: Start accepts. Automaton has 4098 states and 4204 transitions. Word has length 1877 [2018-11-10 10:34:26,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:34:26,798 INFO L481 AbstractCegarLoop]: Abstraction has 4098 states and 4204 transitions. [2018-11-10 10:34:26,798 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-10 10:34:26,798 INFO L276 IsEmpty]: Start isEmpty. Operand 4098 states and 4204 transitions. [2018-11-10 10:34:26,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1954 [2018-11-10 10:34:26,812 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:34:26,813 INFO L375 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 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, 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, 10, 10, 10, 9, 9, 9, 9, 8, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 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, 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, 1] [2018-11-10 10:34:26,813 INFO L424 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:34:26,813 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:34:26,813 INFO L82 PathProgramCache]: Analyzing trace with hash 230179679, now seen corresponding path program 1 times [2018-11-10 10:34:26,814 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 10:34:26,814 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 10:34:26,814 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:34:26,814 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:34:26,814 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:34:26,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:34:28,181 INFO L134 CoverageAnalysis]: Checked inductivity of 11882 backedges. 747 proven. 0 refuted. 0 times theorem prover too weak. 11135 trivial. 0 not checked. [2018-11-10 10:34:28,181 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 10:34:28,181 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 10:34:28,182 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 10:34:28,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 10:34:28,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 10:34:28,182 INFO L87 Difference]: Start difference. First operand 4098 states and 4204 transitions. Second operand 3 states. [2018-11-10 10:34:28,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:34:28,424 INFO L93 Difference]: Finished difference Result 8001 states and 8214 transitions. [2018-11-10 10:34:28,424 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 10:34:28,424 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1953 [2018-11-10 10:34:28,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:34:28,425 INFO L225 Difference]: With dead ends: 8001 [2018-11-10 10:34:28,425 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 10:34:28,430 INFO L605 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 [2018-11-10 10:34:28,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 10:34:28,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 10:34:28,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 10:34:28,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 10:34:28,430 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1953 [2018-11-10 10:34:28,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:34:28,430 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 10:34:28,431 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 10:34:28,431 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 10:34:28,431 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 10:34:28,434 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 10:34:28,547 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:34:28,566 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:34:28,569 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:34:28,570 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:34:28,571 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:34:28,712 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:34:28,726 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:34:28,805 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:34:28,824 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:34:28,842 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:34:28,865 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:34:29,008 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:34:29,028 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:34:29,029 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:34:29,030 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:34:29,030 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:34:29,112 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:34:29,960 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:34:30,471 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:34:30,581 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:34:30,602 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:34:30,876 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:34:31,011 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:34:31,048 WARN L179 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 1349 DAG size of output: 1153 [2018-11-10 10:34:31,077 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:34:31,089 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:34:31,155 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:34:31,170 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:34:31,185 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:34:31,204 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:34:31,324 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:34:31,341 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:34:31,342 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:34:31,342 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:34:31,343 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:34:31,411 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:34:32,150 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:34:32,639 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:34:32,761 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:34:32,780 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:34:33,031 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:34:33,153 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 10:34:33,186 WARN L179 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 1349 DAG size of output: 1153 [2018-11-10 10:34:34,474 WARN L179 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 374 DAG size of output: 101 [2018-11-10 10:34:39,901 WARN L179 SmtUtils]: Spent 5.41 s on a formula simplification. DAG size of input: 1127 DAG size of output: 88 [2018-11-10 10:34:45,360 WARN L179 SmtUtils]: Spent 5.45 s on a formula simplification. DAG size of input: 1127 DAG size of output: 88 [2018-11-10 10:34:45,362 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 10:34:45,362 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)) [2018-11-10 10:34:45,362 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 10:34:45,362 INFO L425 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2018-11-10 10:34:45,362 INFO L425 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2018-11-10 10:34:45,362 INFO L425 ceAbstractionStarter]: For program point L168(lines 20 872) no Hoare annotation was computed. [2018-11-10 10:34:45,362 INFO L425 ceAbstractionStarter]: For program point L102(lines 20 872) no Hoare annotation was computed. [2018-11-10 10:34:45,362 INFO L425 ceAbstractionStarter]: For program point L36(lines 20 872) no Hoare annotation was computed. [2018-11-10 10:34:45,362 INFO L425 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2018-11-10 10:34:45,362 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-10 10:34:45,362 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-10 10:34:45,363 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-10 10:34:45,363 INFO L425 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2018-11-10 10:34:45,363 INFO L425 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2018-11-10 10:34:45,363 INFO L425 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2018-11-10 10:34:45,363 INFO L425 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2018-11-10 10:34:45,363 INFO L425 ceAbstractionStarter]: For program point L171(lines 20 872) no Hoare annotation was computed. [2018-11-10 10:34:45,363 INFO L425 ceAbstractionStarter]: For program point L105(lines 20 872) no Hoare annotation was computed. [2018-11-10 10:34:45,363 INFO L425 ceAbstractionStarter]: For program point L39(lines 20 872) no Hoare annotation was computed. [2018-11-10 10:34:45,363 INFO L425 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2018-11-10 10:34:45,363 INFO L425 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2018-11-10 10:34:45,363 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-10 10:34:45,363 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-10 10:34:45,363 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-10 10:34:45,363 INFO L425 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2018-11-10 10:34:45,363 INFO L425 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2018-11-10 10:34:45,363 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2018-11-10 10:34:45,363 INFO L425 ceAbstractionStarter]: For program point L174(lines 20 872) no Hoare annotation was computed. [2018-11-10 10:34:45,363 INFO L425 ceAbstractionStarter]: For program point L108(lines 20 872) no Hoare annotation was computed. [2018-11-10 10:34:45,363 INFO L425 ceAbstractionStarter]: For program point L42(lines 20 872) no Hoare annotation was computed. [2018-11-10 10:34:45,363 INFO L425 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2018-11-10 10:34:45,363 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-10 10:34:45,363 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-10 10:34:45,364 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-10 10:34:45,364 INFO L425 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2018-11-10 10:34:45,364 INFO L425 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2018-11-10 10:34:45,364 INFO L425 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2018-11-10 10:34:45,364 INFO L425 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2018-11-10 10:34:45,364 INFO L425 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2018-11-10 10:34:45,364 INFO L425 ceAbstractionStarter]: For program point L177(lines 20 872) no Hoare annotation was computed. [2018-11-10 10:34:45,364 INFO L425 ceAbstractionStarter]: For program point L111(lines 20 872) no Hoare annotation was computed. [2018-11-10 10:34:45,364 INFO L425 ceAbstractionStarter]: For program point L45(lines 20 872) no Hoare annotation was computed. [2018-11-10 10:34:45,364 INFO L425 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2018-11-10 10:34:45,364 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-10 10:34:45,364 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-10 10:34:45,364 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-10 10:34:45,364 INFO L425 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2018-11-10 10:34:45,365 INFO L425 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2018-11-10 10:34:45,365 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2018-11-10 10:34:45,365 INFO L425 ceAbstractionStarter]: For program point L180(lines 20 872) no Hoare annotation was computed. [2018-11-10 10:34:45,365 INFO L425 ceAbstractionStarter]: For program point L114(lines 20 872) no Hoare annotation was computed. [2018-11-10 10:34:45,365 INFO L425 ceAbstractionStarter]: For program point L48(lines 20 872) no Hoare annotation was computed. [2018-11-10 10:34:45,365 INFO L425 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2018-11-10 10:34:45,365 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-10 10:34:45,365 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-10 10:34:45,365 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-10 10:34:45,365 INFO L425 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2018-11-10 10:34:45,365 INFO L425 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2018-11-10 10:34:45,365 INFO L425 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2018-11-10 10:34:45,365 INFO L425 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2018-11-10 10:34:45,365 INFO L425 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2018-11-10 10:34:45,366 INFO L425 ceAbstractionStarter]: For program point L183(lines 20 872) no Hoare annotation was computed. [2018-11-10 10:34:45,366 INFO L425 ceAbstractionStarter]: For program point L117(lines 20 872) no Hoare annotation was computed. [2018-11-10 10:34:45,366 INFO L425 ceAbstractionStarter]: For program point L51(lines 20 872) no Hoare annotation was computed. [2018-11-10 10:34:45,366 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2018-11-10 10:34:45,366 INFO L425 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2018-11-10 10:34:45,366 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-10 10:34:45,366 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-10 10:34:45,366 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-10 10:34:45,366 INFO L425 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2018-11-10 10:34:45,366 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2018-11-10 10:34:45,366 INFO L425 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2018-11-10 10:34:45,366 INFO L425 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2018-11-10 10:34:45,366 INFO L425 ceAbstractionStarter]: For program point L186(lines 20 872) no Hoare annotation was computed. [2018-11-10 10:34:45,366 INFO L425 ceAbstractionStarter]: For program point L120(lines 20 872) no Hoare annotation was computed. [2018-11-10 10:34:45,367 INFO L425 ceAbstractionStarter]: For program point L54(lines 20 872) no Hoare annotation was computed. [2018-11-10 10:34:45,367 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-10 10:34:45,367 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-10 10:34:45,367 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-10 10:34:45,367 INFO L425 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2018-11-10 10:34:45,367 INFO L425 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2018-11-10 10:34:45,367 INFO L425 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2018-11-10 10:34:45,367 INFO L425 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2018-11-10 10:34:45,367 INFO L425 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2018-11-10 10:34:45,367 INFO L425 ceAbstractionStarter]: For program point L189(lines 20 872) no Hoare annotation was computed. [2018-11-10 10:34:45,367 INFO L425 ceAbstractionStarter]: For program point L123(lines 20 872) no Hoare annotation was computed. [2018-11-10 10:34:45,367 INFO L425 ceAbstractionStarter]: For program point L57(lines 20 872) no Hoare annotation was computed. [2018-11-10 10:34:45,367 INFO L425 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2018-11-10 10:34:45,367 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2018-11-10 10:34:45,367 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-10 10:34:45,368 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-10 10:34:45,368 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-10 10:34:45,368 INFO L425 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2018-11-10 10:34:45,368 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse16 (= 8 |old(~a15~0)|)) (.cse15 (= |old(~a15~0)| ~a15~0)) (.cse1 (= ~a12~0 |old(~a12~0)|)) (.cse2 (= ~a21~0 |old(~a21~0)|)) (.cse3 (= |old(~a24~0)| ~a24~0)) (.cse20 (= 8 ~a15~0))) (let ((.cse14 (not (= 10 |old(~a21~0)|))) (.cse4 (not (= 8 |old(~a21~0)|))) (.cse0 (not (= 6 |old(~a15~0)|))) (.cse9 (< 0 (+ |old(~a12~0)| 43))) (.cse12 (< |old(~a12~0)| 12)) (.cse6 (and .cse1 .cse2 .cse3 .cse20)) (.cse7 (not (= 6 |old(~a21~0)|))) (.cse10 (and .cse1 .cse2 .cse15 .cse3)) (.cse13 (< 73282 |old(~a12~0)|)) (.cse11 (< 7 |old(~a15~0)|)) (.cse17 (not (= 7 |old(~a21~0)|))) (.cse18 (<= |old(~a21~0)| ~a21~0)) (.cse19 (<= ~a21~0 7)) (.cse5 (not (= 1 |old(~a24~0)|))) (.cse8 (not .cse16))) (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 .cse10 .cse5 .cse11 .cse9) (or .cse12 .cse10 .cse5 .cse13 .cse11) (or .cse7 (< 0 (+ |old(~a12~0)| 49)) .cse10 .cse11) (or .cse6 (or .cse14 .cse5 .cse8)) (or .cse10 .cse5 .cse13 .cse11 .cse4) (or .cse14 (and .cse1 .cse15 .cse3 (= 10 ~a21~0)) .cse5 .cse13) (or .cse12 .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 .cse10 .cse12 (= 5 |old(~a15~0)|) .cse5 .cse16) (or .cse7 .cse12 .cse5 .cse8 .cse6) (or .cse7 .cse10 .cse5 .cse11) (or .cse5 (not (= 7 |old(~a15~0)|)) (and .cse1 .cse2 (= 7 ~a15~0) .cse3)) (or .cse17 (and .cse1 .cse18 .cse15 .cse19 .cse3) .cse5 .cse13 .cse11) (or .cse17 (and .cse1 .cse18 .cse19 .cse3 .cse20) .cse5 (< 11 |old(~a12~0)|) .cse8)))) [2018-11-10 10:34:45,368 INFO L425 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2018-11-10 10:34:45,368 INFO L425 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2018-11-10 10:34:45,368 INFO L425 ceAbstractionStarter]: For program point L192(lines 20 872) no Hoare annotation was computed. [2018-11-10 10:34:45,368 INFO L425 ceAbstractionStarter]: For program point L126(lines 20 872) no Hoare annotation was computed. [2018-11-10 10:34:45,368 INFO L425 ceAbstractionStarter]: For program point L60(lines 20 872) no Hoare annotation was computed. [2018-11-10 10:34:45,369 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-10 10:34:45,369 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-10 10:34:45,369 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-10 10:34:45,369 INFO L425 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2018-11-10 10:34:45,369 INFO L425 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2018-11-10 10:34:45,369 INFO L425 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2018-11-10 10:34:45,369 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 145) no Hoare annotation was computed. [2018-11-10 10:34:45,369 INFO L425 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2018-11-10 10:34:45,369 INFO L425 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2018-11-10 10:34:45,369 INFO L425 ceAbstractionStarter]: For program point L195(lines 20 872) no Hoare annotation was computed. [2018-11-10 10:34:45,369 INFO L425 ceAbstractionStarter]: For program point L129(lines 20 872) no Hoare annotation was computed. [2018-11-10 10:34:45,369 INFO L425 ceAbstractionStarter]: For program point L63(lines 20 872) no Hoare annotation was computed. [2018-11-10 10:34:45,369 INFO L425 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2018-11-10 10:34:45,369 INFO L425 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2018-11-10 10:34:45,369 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-10 10:34:45,369 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-10 10:34:45,369 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-10 10:34:45,369 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2018-11-10 10:34:45,369 INFO L425 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2018-11-10 10:34:45,369 INFO L425 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2018-11-10 10:34:45,369 INFO L425 ceAbstractionStarter]: For program point L198(lines 20 872) no Hoare annotation was computed. [2018-11-10 10:34:45,370 INFO L425 ceAbstractionStarter]: For program point L132(lines 20 872) no Hoare annotation was computed. [2018-11-10 10:34:45,370 INFO L425 ceAbstractionStarter]: For program point L66(lines 20 872) no Hoare annotation was computed. [2018-11-10 10:34:45,370 INFO L425 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2018-11-10 10:34:45,370 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-10 10:34:45,370 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-10 10:34:45,370 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-10 10:34:45,370 INFO L425 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2018-11-10 10:34:45,370 INFO L425 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2018-11-10 10:34:45,370 INFO L425 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2018-11-10 10:34:45,370 INFO L425 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2018-11-10 10:34:45,370 INFO L425 ceAbstractionStarter]: For program point L201(lines 20 872) no Hoare annotation was computed. [2018-11-10 10:34:45,370 INFO L425 ceAbstractionStarter]: For program point L135(lines 20 872) no Hoare annotation was computed. [2018-11-10 10:34:45,370 INFO L425 ceAbstractionStarter]: For program point L69(lines 20 872) no Hoare annotation was computed. [2018-11-10 10:34:45,370 INFO L425 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2018-11-10 10:34:45,370 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-10 10:34:45,370 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-10 10:34:45,370 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-10 10:34:45,370 INFO L425 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2018-11-10 10:34:45,370 INFO L425 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2018-11-10 10:34:45,370 INFO L425 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2018-11-10 10:34:45,370 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2018-11-10 10:34:45,370 INFO L425 ceAbstractionStarter]: For program point L138(lines 20 872) no Hoare annotation was computed. [2018-11-10 10:34:45,370 INFO L425 ceAbstractionStarter]: For program point L72(lines 20 872) no Hoare annotation was computed. [2018-11-10 10:34:45,370 INFO L425 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2018-11-10 10:34:45,370 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-10 10:34:45,370 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-10 10:34:45,371 INFO L425 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2018-11-10 10:34:45,371 INFO L425 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2018-11-10 10:34:45,371 INFO L425 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2018-11-10 10:34:45,371 INFO L425 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2018-11-10 10:34:45,371 INFO L425 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2018-11-10 10:34:45,371 INFO L425 ceAbstractionStarter]: For program point L141(lines 20 872) no Hoare annotation was computed. [2018-11-10 10:34:45,371 INFO L425 ceAbstractionStarter]: For program point L75(lines 20 872) no Hoare annotation was computed. [2018-11-10 10:34:45,371 INFO L425 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2018-11-10 10:34:45,371 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-10 10:34:45,371 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-10 10:34:45,371 INFO L425 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2018-11-10 10:34:45,371 INFO L425 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2018-11-10 10:34:45,371 INFO L425 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2018-11-10 10:34:45,371 INFO L425 ceAbstractionStarter]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2018-11-10 10:34:45,371 INFO L425 ceAbstractionStarter]: For program point L78(lines 20 872) no Hoare annotation was computed. [2018-11-10 10:34:45,371 INFO L425 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2018-11-10 10:34:45,371 INFO L425 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2018-11-10 10:34:45,371 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-10 10:34:45,371 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-10 10:34:45,371 INFO L425 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2018-11-10 10:34:45,371 INFO L425 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2018-11-10 10:34:45,371 INFO L425 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2018-11-10 10:34:45,371 INFO L425 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2018-11-10 10:34:45,371 INFO L425 ceAbstractionStarter]: For program point L147(lines 20 872) no Hoare annotation was computed. [2018-11-10 10:34:45,371 INFO L425 ceAbstractionStarter]: For program point L81(lines 20 872) no Hoare annotation was computed. [2018-11-10 10:34:45,371 INFO L425 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2018-11-10 10:34:45,372 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2018-11-10 10:34:45,372 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-10 10:34:45,372 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-10 10:34:45,372 INFO L425 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2018-11-10 10:34:45,372 INFO L425 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2018-11-10 10:34:45,372 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2018-11-10 10:34:45,372 INFO L425 ceAbstractionStarter]: For program point L150(lines 20 872) no Hoare annotation was computed. [2018-11-10 10:34:45,372 INFO L425 ceAbstractionStarter]: For program point L84(lines 20 872) no Hoare annotation was computed. [2018-11-10 10:34:45,372 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2018-11-10 10:34:45,372 INFO L425 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2018-11-10 10:34:45,372 INFO L425 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2018-11-10 10:34:45,372 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-10 10:34:45,372 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-10 10:34:45,372 INFO L425 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2018-11-10 10:34:45,372 INFO L425 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2018-11-10 10:34:45,372 INFO L425 ceAbstractionStarter]: For program point L153(lines 20 872) no Hoare annotation was computed. [2018-11-10 10:34:45,372 INFO L425 ceAbstractionStarter]: For program point L87(lines 20 872) no Hoare annotation was computed. [2018-11-10 10:34:45,372 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-11-10 10:34:45,372 INFO L425 ceAbstractionStarter]: For program point L21-1(lines 20 872) no Hoare annotation was computed. [2018-11-10 10:34:45,372 INFO L425 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2018-11-10 10:34:45,372 INFO L425 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2018-11-10 10:34:45,372 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2018-11-10 10:34:45,372 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-10 10:34:45,372 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-10 10:34:45,372 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-10 10:34:45,372 INFO L425 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2018-11-10 10:34:45,373 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2018-11-10 10:34:45,373 INFO L425 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2018-11-10 10:34:45,373 INFO L425 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2018-11-10 10:34:45,373 INFO L425 ceAbstractionStarter]: For program point L156(lines 20 872) no Hoare annotation was computed. [2018-11-10 10:34:45,373 INFO L425 ceAbstractionStarter]: For program point L90(lines 20 872) no Hoare annotation was computed. [2018-11-10 10:34:45,373 INFO L425 ceAbstractionStarter]: For program point L24(lines 20 872) no Hoare annotation was computed. [2018-11-10 10:34:45,373 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2018-11-10 10:34:45,373 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-10 10:34:45,373 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-10 10:34:45,373 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-10 10:34:45,373 INFO L425 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2018-11-10 10:34:45,373 INFO L425 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2018-11-10 10:34:45,373 INFO L425 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2018-11-10 10:34:45,373 INFO L425 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2018-11-10 10:34:45,373 INFO L425 ceAbstractionStarter]: For program point L159(lines 20 872) no Hoare annotation was computed. [2018-11-10 10:34:45,373 INFO L425 ceAbstractionStarter]: For program point L93(lines 20 872) no Hoare annotation was computed. [2018-11-10 10:34:45,373 INFO L425 ceAbstractionStarter]: For program point L27(lines 20 872) no Hoare annotation was computed. [2018-11-10 10:34:45,373 INFO L425 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2018-11-10 10:34:45,373 INFO L425 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2018-11-10 10:34:45,373 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-10 10:34:45,373 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-10 10:34:45,373 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-10 10:34:45,373 INFO L425 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2018-11-10 10:34:45,373 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2018-11-10 10:34:45,373 INFO L425 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2018-11-10 10:34:45,374 INFO L425 ceAbstractionStarter]: For program point L162(lines 20 872) no Hoare annotation was computed. [2018-11-10 10:34:45,374 INFO L425 ceAbstractionStarter]: For program point L96(lines 20 872) no Hoare annotation was computed. [2018-11-10 10:34:45,374 INFO L425 ceAbstractionStarter]: For program point L30(lines 20 872) no Hoare annotation was computed. [2018-11-10 10:34:45,374 INFO L425 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2018-11-10 10:34:45,374 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-10 10:34:45,374 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-10 10:34:45,374 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-10 10:34:45,374 INFO L425 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2018-11-10 10:34:45,374 INFO L425 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2018-11-10 10:34:45,374 INFO L425 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2018-11-10 10:34:45,374 INFO L425 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2018-11-10 10:34:45,374 INFO L425 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2018-11-10 10:34:45,374 INFO L425 ceAbstractionStarter]: For program point L165(lines 20 872) no Hoare annotation was computed. [2018-11-10 10:34:45,374 INFO L425 ceAbstractionStarter]: For program point L99(lines 20 872) no Hoare annotation was computed. [2018-11-10 10:34:45,374 INFO L425 ceAbstractionStarter]: For program point L33(lines 20 872) no Hoare annotation was computed. [2018-11-10 10:34:45,374 INFO L425 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2018-11-10 10:34:45,374 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-10 10:34:45,374 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-10 10:34:45,374 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-10 10:34:45,375 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2018-11-10 10:34:45,375 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 10:34:45,375 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)) [2018-11-10 10:34:45,375 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 10:34:45,375 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 10:34:45,375 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)|))) [2018-11-10 10:34:45,375 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2018-11-10 10:34:45,375 INFO L421 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (let ((.cse3 (= 6 ~a21~0)) (.cse11 (<= ~a12~0 73282)) (.cse10 (= 1 ~a24~0))) (let ((.cse0 (= ~a24~0 |old(~a24~0)|)) (.cse8 (<= ~a12~0 11)) (.cse4 (= 8 ~a15~0)) (.cse9 (and .cse11 .cse10)) (.cse7 (= ~a21~0 8)) (.cse1 (<= 12 ~a12~0)) (.cse5 (<= (+ ~a12~0 43) 0)) (.cse6 (<= ~a15~0 7)) (.cse2 (and .cse10 .cse3))) (or (and (= 8 ~a21~0) .cse0 (= 9 ~a15~0)) (and .cse1 (not (= ~a15~0 8)) (and (not (= 5 ~a15~0)) .cse0)) (and .cse1 .cse2) (and .cse3 .cse4 (not (= 2 ~a24~0)) .cse5) (< 0 (+ |old(~a12~0)| 49)) (and .cse6 (and .cse0 .cse7 .cse8)) (and .cse9 (= 10 ~a21~0)) (and (and (= 7 ~a21~0) (<= ~a15~0 8)) .cse0 .cse8) (and .cse10 (and .cse4 (= ~a21~0 10))) (not (= 1 |old(~a24~0)|)) (and .cse3 (<= (+ ~a12~0 49) 0) .cse6) (not (= 8 |old(~a15~0)|)) (= 6 ~a15~0) (and (<= ~a12~0 76) (and .cse10 .cse4 (= 9 ~a21~0))) (and .cse1 .cse9 .cse6) (and (and .cse11 .cse10 .cse7) .cse1) (and (and .cse5 .cse10) .cse6) (and .cse10 (= 7 ~a15~0)) (< 7 |old(~a21~0)|) (and .cse6 .cse2) (< |old(~a21~0)| 7)))) [2018-11-10 10:34:45,375 INFO L425 ceAbstractionStarter]: For program point L888-1(line 888) no Hoare annotation was computed. [2018-11-10 10:34:45,376 INFO L425 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2018-11-10 10:34:45,376 INFO L425 ceAbstractionStarter]: For program point L880-1(lines 880 889) no Hoare annotation was computed. [2018-11-10 10:34:45,376 INFO L421 ceAbstractionStarter]: At program point L880-3(lines 880 889) the Hoare annotation is: (let ((.cse3 (= 6 ~a21~0)) (.cse11 (<= ~a12~0 73282)) (.cse10 (= 1 ~a24~0))) (let ((.cse0 (= ~a24~0 |old(~a24~0)|)) (.cse8 (<= ~a12~0 11)) (.cse4 (= 8 ~a15~0)) (.cse9 (and .cse11 .cse10)) (.cse7 (= ~a21~0 8)) (.cse1 (<= 12 ~a12~0)) (.cse5 (<= (+ ~a12~0 43) 0)) (.cse6 (<= ~a15~0 7)) (.cse2 (and .cse10 .cse3))) (or (and (= 8 ~a21~0) .cse0 (= 9 ~a15~0)) (and .cse1 (not (= ~a15~0 8)) (and (not (= 5 ~a15~0)) .cse0)) (and .cse1 .cse2) (and .cse3 .cse4 (not (= 2 ~a24~0)) .cse5) (< 0 (+ |old(~a12~0)| 49)) (and .cse6 (and .cse0 .cse7 .cse8)) (and .cse9 (= 10 ~a21~0)) (and (and (= 7 ~a21~0) (<= ~a15~0 8)) .cse0 .cse8) (and .cse10 (and .cse4 (= ~a21~0 10))) (not (= 1 |old(~a24~0)|)) (and .cse3 (<= (+ ~a12~0 49) 0) .cse6) (not (= 8 |old(~a15~0)|)) (= 6 ~a15~0) (and (<= ~a12~0 76) (and .cse10 .cse4 (= 9 ~a21~0))) (and .cse1 .cse9 .cse6) (and (and .cse11 .cse10 .cse7) .cse1) (and (and .cse5 .cse10) .cse6) (and .cse10 (= 7 ~a15~0)) (< 7 |old(~a21~0)|) (and .cse6 .cse2) (< |old(~a21~0)| 7)))) [2018-11-10 10:34:45,376 INFO L425 ceAbstractionStarter]: For program point L880-4(lines 874 890) no Hoare annotation was computed. [2018-11-10 10:34:45,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 10:34:45 BoogieIcfgContainer [2018-11-10 10:34:45,392 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 10:34:45,392 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 10:34:45,392 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 10:34:45,392 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 10:34:45,393 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:33:09" (3/4) ... [2018-11-10 10:34:45,404 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 10:34:45,411 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 10:34:45,411 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-10 10:34:45,412 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 10:34:45,433 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-10 10:34:45,434 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-10 10:34:45,458 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((8 == a21 && a24 == \old(a24)) && 9 == a15) || ((12 <= a12 && !(a15 == 8)) && !(5 == a15) && a24 == \old(a24))) || (12 <= a12 && 1 == a24 && 6 == a21)) || (((6 == a21 && 8 == a15) && !(2 == a24)) && a12 + 43 <= 0)) || 0 < \old(a12) + 49) || (a15 <= 7 && (a24 == \old(a24) && a21 == 8) && a12 <= 11)) || ((a12 <= 73282 && 1 == a24) && 10 == a21)) || (((7 == a21 && a15 <= 8) && a24 == \old(a24)) && a12 <= 11)) || (1 == a24 && 8 == a15 && a21 == 10)) || !(1 == \old(a24))) || ((6 == a21 && a12 + 49 <= 0) && a15 <= 7)) || !(8 == \old(a15))) || 6 == a15) || (a12 <= 76 && (1 == a24 && 8 == a15) && 9 == a21)) || ((12 <= a12 && a12 <= 73282 && 1 == a24) && a15 <= 7)) || (((a12 <= 73282 && 1 == a24) && a21 == 8) && 12 <= a12)) || ((a12 + 43 <= 0 && 1 == a24) && a15 <= 7)) || (1 == a24 && 7 == a15)) || 7 < \old(a21)) || (a15 <= 7 && 1 == a24 && 6 == a21)) || \old(a21) < 7 [2018-11-10 10:34:45,555 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_bdc32f4b-4025-408c-8681-358c477f088c/bin-2019/uautomizer/witness.graphml [2018-11-10 10:34:45,555 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 10:34:45,556 INFO L168 Benchmark]: Toolchain (without parser) took 97722.74 ms. Allocated memory was 1.0 GB in the beginning and 5.0 GB in the end (delta: 4.0 GB). Free memory was 950.1 MB in the beginning and 3.8 GB in the end (delta: -2.8 GB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-11-10 10:34:45,556 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 980.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 10:34:45,556 INFO L168 Benchmark]: CACSL2BoogieTranslator took 372.84 ms. Allocated memory is still 1.0 GB. Free memory was 950.1 MB in the beginning and 909.9 MB in the end (delta: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. [2018-11-10 10:34:45,557 INFO L168 Benchmark]: Boogie Preprocessor took 126.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 909.9 MB in the beginning and 1.1 GB in the end (delta: -235.4 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. [2018-11-10 10:34:45,557 INFO L168 Benchmark]: RCFGBuilder took 1025.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 122.8 MB). Peak memory consumption was 122.8 MB. Max. memory is 11.5 GB. [2018-11-10 10:34:45,557 INFO L168 Benchmark]: TraceAbstraction took 96031.77 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 3.8 GB in the end (delta: -2.8 GB). Peak memory consumption was 4.1 GB. Max. memory is 11.5 GB. [2018-11-10 10:34:45,557 INFO L168 Benchmark]: Witness Printer took 162.81 ms. Allocated memory is still 5.0 GB. Free memory was 3.8 GB in the beginning and 3.8 GB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. [2018-11-10 10:34:45,559 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 980.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 372.84 ms. Allocated memory is still 1.0 GB. Free memory was 950.1 MB in the beginning and 909.9 MB in the end (delta: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 126.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 909.9 MB in the beginning and 1.1 GB in the end (delta: -235.4 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1025.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 122.8 MB). Peak memory consumption was 122.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 96031.77 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 3.8 GB in the end (delta: -2.8 GB). Peak memory consumption was 4.1 GB. Max. memory is 11.5 GB. * Witness Printer took 162.81 ms. Allocated memory is still 5.0 GB. Free memory was 3.8 GB in the beginning and 3.8 GB in the end (delta: 24 B). Peak memory consumption was 24 B. 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: (((((((((((((((((((((8 == a21 && a24 == \old(a24)) && 9 == a15) || ((12 <= a12 && !(a15 == 8)) && !(5 == a15) && a24 == \old(a24))) || (12 <= a12 && 1 == a24 && 6 == a21)) || (((6 == a21 && 8 == a15) && !(2 == a24)) && a12 + 43 <= 0)) || 0 < \old(a12) + 49) || (a15 <= 7 && (a24 == \old(a24) && a21 == 8) && a12 <= 11)) || ((a12 <= 73282 && 1 == a24) && 10 == a21)) || (((7 == a21 && a15 <= 8) && a24 == \old(a24)) && a12 <= 11)) || (1 == a24 && 8 == a15 && a21 == 10)) || !(1 == \old(a24))) || ((6 == a21 && a12 + 49 <= 0) && a15 <= 7)) || !(8 == \old(a15))) || 6 == a15) || (a12 <= 76 && (1 == a24 && 8 == a15) && 9 == a21)) || ((12 <= a12 && a12 <= 73282 && 1 == a24) && a15 <= 7)) || (((a12 <= 73282 && 1 == a24) && a21 == 8) && 12 <= a12)) || ((a12 + 43 <= 0 && 1 == a24) && a15 <= 7)) || (1 == a24 && 7 == a15)) || 7 < \old(a21)) || (a15 <= 7 && 1 == a24 && 6 == a21)) || \old(a21) < 7 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 255 locations, 1 error locations. SAFE Result, 95.9s OverallTime, 17 OverallIterations, 16 TraceHistogramMax, 50.7s AutomataDifference, 0.0s DeadEndRemovalTime, 16.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 1653 SDtfs, 41476 SDslu, 3912 SDs, 0 SdLazy, 57140 SolverSat, 10186 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 33.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14467 GetRequests, 13955 SyntacticMatches, 15 SemanticMatches, 497 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8428 ImplicationChecksByTransitivity, 9.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25101occurred 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, 8602 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 887 PreInvPairs, 1071 NumberOfFragments, 979 HoareAnnotationTreeSize, 887 FomulaSimplifications, 6032115 FormulaSimplificationTreeSizeReduction, 4.7s HoareSimplificationTime, 7 FomulaSimplificationsInter, 997107 FormulaSimplificationTreeSizeReductionInter, 12.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.4s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 11.1s InterpolantComputationTime, 29831 NumberOfCodeBlocks, 29831 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 29801 ConstructedInterpolants, 0 QuantifiedInterpolants, 104113783 SizeOfPredicates, 8 NumberOfNonLiveVariables, 18983 ConjunctsInSsa, 98 ConjunctsInUnsatCore, 30 InterpolantComputations, 6 PerfectInterpolantSequences, 107461/117979 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...