./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label14_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_cf2029ef-a6f5-4dca-a1b3-e9180d01d750/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_cf2029ef-a6f5-4dca-a1b3-e9180d01d750/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_cf2029ef-a6f5-4dca-a1b3-e9180d01d750/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_cf2029ef-a6f5-4dca-a1b3-e9180d01d750/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label14_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_cf2029ef-a6f5-4dca-a1b3-e9180d01d750/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_cf2029ef-a6f5-4dca-a1b3-e9180d01d750/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 bf623cbfa27d5f25c20ae418fc6508fd949965cd ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 06:58:41,273 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 06:58:41,274 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 06:58:41,282 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 06:58:41,282 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 06:58:41,283 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 06:58:41,284 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 06:58:41,285 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 06:58:41,286 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 06:58:41,287 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 06:58:41,287 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 06:58:41,287 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 06:58:41,288 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 06:58:41,289 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 06:58:41,290 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 06:58:41,290 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 06:58:41,291 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 06:58:41,292 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 06:58:41,293 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 06:58:41,294 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 06:58:41,295 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 06:58:41,296 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 06:58:41,297 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 06:58:41,297 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 06:58:41,298 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 06:58:41,298 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 06:58:41,299 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 06:58:41,300 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 06:58:41,300 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 06:58:41,301 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 06:58:41,301 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 06:58:41,302 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 06:58:41,302 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 06:58:41,302 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 06:58:41,303 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 06:58:41,303 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 06:58:41,303 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_cf2029ef-a6f5-4dca-a1b3-e9180d01d750/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-10 06:58:41,313 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 06:58:41,313 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 06:58:41,313 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 06:58:41,313 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 06:58:41,314 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 06:58:41,314 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 06:58:41,314 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 06:58:41,314 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 06:58:41,314 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 06:58:41,315 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 06:58:41,315 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 06:58:41,315 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 06:58:41,315 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 06:58:41,315 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 06:58:41,315 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 06:58:41,315 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 06:58:41,316 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 06:58:41,316 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 06:58:41,316 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 06:58:41,316 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 06:58:41,316 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 06:58:41,316 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 06:58:41,316 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 06:58:41,317 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 06:58:41,317 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 06:58:41,317 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 06:58:41,317 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 06:58:41,317 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 06:58:41,317 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 06:58:41,317 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_cf2029ef-a6f5-4dca-a1b3-e9180d01d750/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 -> bf623cbfa27d5f25c20ae418fc6508fd949965cd [2018-11-10 06:58:41,341 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 06:58:41,350 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 06:58:41,352 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 06:58:41,353 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 06:58:41,353 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 06:58:41,353 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_cf2029ef-a6f5-4dca-a1b3-e9180d01d750/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem02_label14_true-unreach-call_false-termination.c [2018-11-10 06:58:41,388 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cf2029ef-a6f5-4dca-a1b3-e9180d01d750/bin-2019/uautomizer/data/891836270/56bb1df08e814581a4d5aa99f0691def/FLAG8caee654f [2018-11-10 06:58:41,734 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 06:58:41,735 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_cf2029ef-a6f5-4dca-a1b3-e9180d01d750/sv-benchmarks/c/eca-rers2012/Problem02_label14_true-unreach-call_false-termination.c [2018-11-10 06:58:41,743 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cf2029ef-a6f5-4dca-a1b3-e9180d01d750/bin-2019/uautomizer/data/891836270/56bb1df08e814581a4d5aa99f0691def/FLAG8caee654f [2018-11-10 06:58:41,754 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_cf2029ef-a6f5-4dca-a1b3-e9180d01d750/bin-2019/uautomizer/data/891836270/56bb1df08e814581a4d5aa99f0691def [2018-11-10 06:58:41,756 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 06:58:41,757 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 06:58:41,757 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 06:58:41,758 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 06:58:41,760 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 06:58:41,760 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:58:41" (1/1) ... [2018-11-10 06:58:41,762 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79e7f328 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:58:41, skipping insertion in model container [2018-11-10 06:58:41,762 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:58:41" (1/1) ... [2018-11-10 06:58:41,767 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 06:58:41,802 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 06:58:42,026 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 06:58:42,029 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 06:58:42,093 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 06:58:42,103 INFO L193 MainTranslator]: Completed translation [2018-11-10 06:58:42,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:58:42 WrapperNode [2018-11-10 06:58:42,104 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 06:58:42,104 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 06:58:42,104 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 06:58:42,104 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 06:58:42,112 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:58:42" (1/1) ... [2018-11-10 06:58:42,112 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:58:42" (1/1) ... [2018-11-10 06:58:42,124 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:58:42" (1/1) ... [2018-11-10 06:58:42,125 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:58:42" (1/1) ... [2018-11-10 06:58:42,146 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:58:42" (1/1) ... [2018-11-10 06:58:42,223 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:58:42" (1/1) ... [2018-11-10 06:58:42,226 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:58:42" (1/1) ... [2018-11-10 06:58:42,230 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 06:58:42,230 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 06:58:42,230 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 06:58:42,230 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 06:58:42,231 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:58:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cf2029ef-a6f5-4dca-a1b3-e9180d01d750/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 06:58:42,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 06:58:42,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 06:58:42,268 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-10 06:58:42,268 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 06:58:42,268 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-10 06:58:42,268 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 06:58:42,268 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-10 06:58:42,268 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-10 06:58:42,268 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 06:58:42,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 06:58:42,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 06:58:43,112 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 06:58:43,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 06:58:43 BoogieIcfgContainer [2018-11-10 06:58:43,112 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 06:58:43,113 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 06:58:43,113 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 06:58:43,116 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 06:58:43,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 06:58:41" (1/3) ... [2018-11-10 06:58:43,117 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2962470d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:58:43, skipping insertion in model container [2018-11-10 06:58:43,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:58:42" (2/3) ... [2018-11-10 06:58:43,118 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2962470d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:58:43, skipping insertion in model container [2018-11-10 06:58:43,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 06:58:43" (3/3) ... [2018-11-10 06:58:43,120 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label14_true-unreach-call_false-termination.c [2018-11-10 06:58:43,128 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 06:58:43,134 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 06:58:43,146 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 06:58:43,171 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 06:58:43,172 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 06:58:43,172 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 06:58:43,172 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 06:58:43,172 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 06:58:43,172 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 06:58:43,172 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 06:58:43,172 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 06:58:43,172 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 06:58:43,190 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-11-10 06:58:43,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-11-10 06:58:43,198 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 06:58:43,199 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 06:58:43,201 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 06:58:43,205 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 06:58:43,205 INFO L82 PathProgramCache]: Analyzing trace with hash 1648799080, now seen corresponding path program 1 times [2018-11-10 06:58:43,207 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 06:58:43,207 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 06:58:43,247 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:58:43,248 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 06:58:43,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:58:43,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:58:43,518 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 06:58:43,520 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 06:58:43,521 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 06:58:43,525 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 06:58:43,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 06:58:43,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 06:58:43,539 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 3 states. [2018-11-10 06:58:44,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 06:58:44,146 INFO L93 Difference]: Finished difference Result 621 states and 1059 transitions. [2018-11-10 06:58:44,147 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 06:58:44,148 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 124 [2018-11-10 06:58:44,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 06:58:44,160 INFO L225 Difference]: With dead ends: 621 [2018-11-10 06:58:44,160 INFO L226 Difference]: Without dead ends: 382 [2018-11-10 06:58:44,164 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 06:58:44,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2018-11-10 06:58:44,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 382. [2018-11-10 06:58:44,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2018-11-10 06:58:44,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 608 transitions. [2018-11-10 06:58:44,215 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 608 transitions. Word has length 124 [2018-11-10 06:58:44,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 06:58:44,216 INFO L481 AbstractCegarLoop]: Abstraction has 382 states and 608 transitions. [2018-11-10 06:58:44,216 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 06:58:44,216 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 608 transitions. [2018-11-10 06:58:44,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-10 06:58:44,220 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 06:58:44,220 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 06:58:44,222 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 06:58:44,222 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 06:58:44,222 INFO L82 PathProgramCache]: Analyzing trace with hash 1971063541, now seen corresponding path program 1 times [2018-11-10 06:58:44,222 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 06:58:44,222 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 06:58:44,223 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:58:44,223 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 06:58:44,223 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:58:44,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:58:44,470 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 06:58:44,470 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 06:58:44,470 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 06:58:44,472 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 06:58:44,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 06:58:44,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 06:58:44,473 INFO L87 Difference]: Start difference. First operand 382 states and 608 transitions. Second operand 5 states. [2018-11-10 06:58:45,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 06:58:45,009 INFO L93 Difference]: Finished difference Result 903 states and 1497 transitions. [2018-11-10 06:58:45,009 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 06:58:45,009 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 133 [2018-11-10 06:58:45,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 06:58:45,012 INFO L225 Difference]: With dead ends: 903 [2018-11-10 06:58:45,012 INFO L226 Difference]: Without dead ends: 381 [2018-11-10 06:58:45,014 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 06:58:45,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2018-11-10 06:58:45,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 381. [2018-11-10 06:58:45,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2018-11-10 06:58:45,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 602 transitions. [2018-11-10 06:58:45,030 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 602 transitions. Word has length 133 [2018-11-10 06:58:45,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 06:58:45,030 INFO L481 AbstractCegarLoop]: Abstraction has 381 states and 602 transitions. [2018-11-10 06:58:45,030 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 06:58:45,030 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 602 transitions. [2018-11-10 06:58:45,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-10 06:58:45,033 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 06:58:45,033 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 06:58:45,034 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 06:58:45,034 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 06:58:45,034 INFO L82 PathProgramCache]: Analyzing trace with hash -1740193815, now seen corresponding path program 1 times [2018-11-10 06:58:45,034 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 06:58:45,034 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 06:58:45,035 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:58:45,035 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 06:58:45,035 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:58:45,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:58:45,249 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 06:58:45,249 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 06:58:45,249 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 06:58:45,250 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 06:58:45,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 06:58:45,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 06:58:45,250 INFO L87 Difference]: Start difference. First operand 381 states and 602 transitions. Second operand 5 states. [2018-11-10 06:58:45,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 06:58:45,728 INFO L93 Difference]: Finished difference Result 901 states and 1482 transitions. [2018-11-10 06:58:45,731 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 06:58:45,731 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 139 [2018-11-10 06:58:45,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 06:58:45,733 INFO L225 Difference]: With dead ends: 901 [2018-11-10 06:58:45,733 INFO L226 Difference]: Without dead ends: 380 [2018-11-10 06:58:45,734 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 06:58:45,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2018-11-10 06:58:45,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 380. [2018-11-10 06:58:45,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 380 states. [2018-11-10 06:58:45,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 594 transitions. [2018-11-10 06:58:45,748 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 594 transitions. Word has length 139 [2018-11-10 06:58:45,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 06:58:45,748 INFO L481 AbstractCegarLoop]: Abstraction has 380 states and 594 transitions. [2018-11-10 06:58:45,748 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 06:58:45,748 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 594 transitions. [2018-11-10 06:58:45,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-10 06:58:45,750 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 06:58:45,750 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 06:58:45,750 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 06:58:45,750 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 06:58:45,750 INFO L82 PathProgramCache]: Analyzing trace with hash -295510606, now seen corresponding path program 1 times [2018-11-10 06:58:45,761 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 06:58:45,761 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 06:58:45,761 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:58:45,762 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 06:58:45,762 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:58:45,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:58:45,840 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 06:58:45,840 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 06:58:45,840 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 06:58:45,841 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 06:58:45,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 06:58:45,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-10 06:58:45,841 INFO L87 Difference]: Start difference. First operand 380 states and 594 transitions. Second operand 6 states. [2018-11-10 06:58:46,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 06:58:46,550 INFO L93 Difference]: Finished difference Result 1193 states and 1942 transitions. [2018-11-10 06:58:46,551 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 06:58:46,551 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 147 [2018-11-10 06:58:46,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 06:58:46,555 INFO L225 Difference]: With dead ends: 1193 [2018-11-10 06:58:46,555 INFO L226 Difference]: Without dead ends: 819 [2018-11-10 06:58:46,557 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-10 06:58:46,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 819 states. [2018-11-10 06:58:46,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 819 to 807. [2018-11-10 06:58:46,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 807 states. [2018-11-10 06:58:46,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 807 states and 1208 transitions. [2018-11-10 06:58:46,583 INFO L78 Accepts]: Start accepts. Automaton has 807 states and 1208 transitions. Word has length 147 [2018-11-10 06:58:46,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 06:58:46,584 INFO L481 AbstractCegarLoop]: Abstraction has 807 states and 1208 transitions. [2018-11-10 06:58:46,584 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 06:58:46,584 INFO L276 IsEmpty]: Start isEmpty. Operand 807 states and 1208 transitions. [2018-11-10 06:58:46,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-10 06:58:46,586 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 06:58:46,586 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 06:58:46,586 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 06:58:46,587 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 06:58:46,587 INFO L82 PathProgramCache]: Analyzing trace with hash -431421266, now seen corresponding path program 1 times [2018-11-10 06:58:46,587 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 06:58:46,588 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 06:58:46,589 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:58:46,589 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 06:58:46,589 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:58:46,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:58:46,753 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 06:58:46,753 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 06:58:46,753 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 06:58:46,753 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 06:58:46,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 06:58:46,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 06:58:46,754 INFO L87 Difference]: Start difference. First operand 807 states and 1208 transitions. Second operand 5 states. [2018-11-10 06:58:47,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 06:58:47,314 INFO L93 Difference]: Finished difference Result 1753 states and 2669 transitions. [2018-11-10 06:58:47,315 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 06:58:47,315 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149 [2018-11-10 06:58:47,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 06:58:47,318 INFO L225 Difference]: With dead ends: 1753 [2018-11-10 06:58:47,319 INFO L226 Difference]: Without dead ends: 804 [2018-11-10 06:58:47,322 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 06:58:47,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 804 states. [2018-11-10 06:58:47,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 804 to 804. [2018-11-10 06:58:47,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 804 states. [2018-11-10 06:58:47,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 804 states and 1190 transitions. [2018-11-10 06:58:47,343 INFO L78 Accepts]: Start accepts. Automaton has 804 states and 1190 transitions. Word has length 149 [2018-11-10 06:58:47,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 06:58:47,343 INFO L481 AbstractCegarLoop]: Abstraction has 804 states and 1190 transitions. [2018-11-10 06:58:47,343 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 06:58:47,343 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 1190 transitions. [2018-11-10 06:58:47,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-11-10 06:58:47,346 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 06:58:47,346 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 06:58:47,347 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 06:58:47,347 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 06:58:47,347 INFO L82 PathProgramCache]: Analyzing trace with hash 1643086762, now seen corresponding path program 1 times [2018-11-10 06:58:47,349 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 06:58:47,349 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 06:58:47,349 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:58:47,349 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 06:58:47,350 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:58:47,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:58:47,533 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 06:58:47,533 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 06:58:47,534 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 06:58:47,534 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 06:58:47,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 06:58:47,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 06:58:47,534 INFO L87 Difference]: Start difference. First operand 804 states and 1190 transitions. Second operand 5 states. [2018-11-10 06:58:47,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 06:58:47,980 INFO L93 Difference]: Finished difference Result 1747 states and 2630 transitions. [2018-11-10 06:58:47,980 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 06:58:47,980 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 151 [2018-11-10 06:58:47,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 06:58:47,982 INFO L225 Difference]: With dead ends: 1747 [2018-11-10 06:58:47,982 INFO L226 Difference]: Without dead ends: 801 [2018-11-10 06:58:47,984 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 06:58:47,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 801 states. [2018-11-10 06:58:47,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 801 to 801. [2018-11-10 06:58:47,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 801 states. [2018-11-10 06:58:47,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 801 states and 1169 transitions. [2018-11-10 06:58:47,997 INFO L78 Accepts]: Start accepts. Automaton has 801 states and 1169 transitions. Word has length 151 [2018-11-10 06:58:47,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 06:58:47,997 INFO L481 AbstractCegarLoop]: Abstraction has 801 states and 1169 transitions. [2018-11-10 06:58:47,997 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 06:58:47,997 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 1169 transitions. [2018-11-10 06:58:47,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-10 06:58:47,999 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 06:58:47,999 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 06:58:47,999 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 06:58:47,999 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 06:58:48,000 INFO L82 PathProgramCache]: Analyzing trace with hash -1909626462, now seen corresponding path program 1 times [2018-11-10 06:58:48,000 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 06:58:48,000 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 06:58:48,000 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:58:48,001 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 06:58:48,001 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:58:48,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:58:48,045 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 06:58:48,045 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 06:58:48,045 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 06:58:48,046 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 06:58:48,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 06:58:48,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-10 06:58:48,046 INFO L87 Difference]: Start difference. First operand 801 states and 1169 transitions. Second operand 6 states. [2018-11-10 06:58:48,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 06:58:48,593 INFO L93 Difference]: Finished difference Result 2381 states and 3621 transitions. [2018-11-10 06:58:48,594 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 06:58:48,594 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 155 [2018-11-10 06:58:48,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 06:58:48,600 INFO L225 Difference]: With dead ends: 2381 [2018-11-10 06:58:48,600 INFO L226 Difference]: Without dead ends: 1586 [2018-11-10 06:58:48,602 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-10 06:58:48,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1586 states. [2018-11-10 06:58:48,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1586 to 1558. [2018-11-10 06:58:48,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1558 states. [2018-11-10 06:58:48,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1558 states to 1558 states and 2225 transitions. [2018-11-10 06:58:48,628 INFO L78 Accepts]: Start accepts. Automaton has 1558 states and 2225 transitions. Word has length 155 [2018-11-10 06:58:48,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 06:58:48,628 INFO L481 AbstractCegarLoop]: Abstraction has 1558 states and 2225 transitions. [2018-11-10 06:58:48,628 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 06:58:48,628 INFO L276 IsEmpty]: Start isEmpty. Operand 1558 states and 2225 transitions. [2018-11-10 06:58:48,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-11-10 06:58:48,631 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 06:58:48,631 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, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 06:58:48,632 INFO L424 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 06:58:48,632 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 06:58:48,632 INFO L82 PathProgramCache]: Analyzing trace with hash 1663549744, now seen corresponding path program 1 times [2018-11-10 06:58:48,632 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 06:58:48,632 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 06:58:48,633 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:58:48,633 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 06:58:48,633 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:58:48,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:58:48,698 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 89 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 06:58:48,699 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 06:58:48,699 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cf2029ef-a6f5-4dca-a1b3-e9180d01d750/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 06:58:48,719 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 06:58:48,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:58:48,783 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 06:58:48,849 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 89 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 06:58:48,866 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 06:58:48,867 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2018-11-10 06:58:48,867 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 06:58:48,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 06:58:48,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-11-10 06:58:48,868 INFO L87 Difference]: Start difference. First operand 1558 states and 2225 transitions. Second operand 9 states. [2018-11-10 06:58:50,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 06:58:50,977 INFO L93 Difference]: Finished difference Result 5094 states and 8077 transitions. [2018-11-10 06:58:50,979 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-11-10 06:58:50,979 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 190 [2018-11-10 06:58:50,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 06:58:50,979 INFO L225 Difference]: With dead ends: 5094 [2018-11-10 06:58:50,979 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 06:58:50,992 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 408 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=271, Invalid=1211, Unknown=0, NotChecked=0, Total=1482 [2018-11-10 06:58:50,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 06:58:50,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 06:58:50,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 06:58:50,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 06:58:50,992 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 190 [2018-11-10 06:58:50,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 06:58:50,993 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 06:58:50,993 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 06:58:50,993 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 06:58:50,993 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 06:58:50,996 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 06:58:51,323 WARN L179 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 55 [2018-11-10 06:58:51,400 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 06:58:51,400 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a28~0)| ~a28~0) (= ~a19~0 |old(~a19~0)|) (= ~a25~0 |old(~a25~0)|)) [2018-11-10 06:58:51,400 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 06:58:51,401 INFO L425 ceAbstractionStarter]: For program point L564(lines 29 598) no Hoare annotation was computed. [2018-11-10 06:58:51,401 INFO L425 ceAbstractionStarter]: For program point L531(lines 29 598) no Hoare annotation was computed. [2018-11-10 06:58:51,401 INFO L425 ceAbstractionStarter]: For program point L498(lines 29 598) no Hoare annotation was computed. [2018-11-10 06:58:51,401 INFO L425 ceAbstractionStarter]: For program point L465(lines 29 598) no Hoare annotation was computed. [2018-11-10 06:58:51,401 INFO L425 ceAbstractionStarter]: For program point L432(lines 29 598) no Hoare annotation was computed. [2018-11-10 06:58:51,401 INFO L425 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-11-10 06:58:51,401 INFO L425 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-11-10 06:58:51,401 INFO L425 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-10 06:58:51,401 INFO L425 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-10 06:58:51,401 INFO L425 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-11-10 06:58:51,401 INFO L425 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-10 06:58:51,401 INFO L425 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-11-10 06:58:51,401 INFO L425 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-11-10 06:58:51,401 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-11-10 06:58:51,401 INFO L425 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-11-10 06:58:51,401 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-10 06:58:51,401 INFO L425 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-11-10 06:58:51,401 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-11-10 06:58:51,401 INFO L425 ceAbstractionStarter]: For program point L567(lines 29 598) no Hoare annotation was computed. [2018-11-10 06:58:51,401 INFO L425 ceAbstractionStarter]: For program point L534(lines 29 598) no Hoare annotation was computed. [2018-11-10 06:58:51,401 INFO L425 ceAbstractionStarter]: For program point L501(lines 29 598) no Hoare annotation was computed. [2018-11-10 06:58:51,401 INFO L425 ceAbstractionStarter]: For program point L468(lines 29 598) no Hoare annotation was computed. [2018-11-10 06:58:51,401 INFO L425 ceAbstractionStarter]: For program point L435(lines 29 598) no Hoare annotation was computed. [2018-11-10 06:58:51,401 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-10 06:58:51,402 INFO L425 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-11-10 06:58:51,402 INFO L425 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-10 06:58:51,402 INFO L425 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-10 06:58:51,402 INFO L425 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-10 06:58:51,402 INFO L425 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-10 06:58:51,402 INFO L425 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-10 06:58:51,402 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-11-10 06:58:51,402 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-10 06:58:51,402 INFO L425 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-11-10 06:58:51,402 INFO L425 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-11-10 06:58:51,402 INFO L425 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-11-10 06:58:51,402 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-11-10 06:58:51,402 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-11-10 06:58:51,402 INFO L425 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-11-10 06:58:51,402 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-11-10 06:58:51,402 INFO L425 ceAbstractionStarter]: For program point L570(lines 29 598) no Hoare annotation was computed. [2018-11-10 06:58:51,402 INFO L425 ceAbstractionStarter]: For program point L537(lines 29 598) no Hoare annotation was computed. [2018-11-10 06:58:51,402 INFO L425 ceAbstractionStarter]: For program point L504(lines 29 598) no Hoare annotation was computed. [2018-11-10 06:58:51,402 INFO L425 ceAbstractionStarter]: For program point L471(lines 29 598) no Hoare annotation was computed. [2018-11-10 06:58:51,402 INFO L425 ceAbstractionStarter]: For program point L438(lines 29 598) no Hoare annotation was computed. [2018-11-10 06:58:51,402 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-11-10 06:58:51,403 INFO L425 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-11-10 06:58:51,403 INFO L425 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-11-10 06:58:51,403 INFO L425 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-10 06:58:51,403 INFO L425 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-10 06:58:51,403 INFO L425 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-10 06:58:51,403 INFO L425 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-10 06:58:51,403 INFO L425 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-10 06:58:51,403 INFO L425 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-11-10 06:58:51,403 INFO L425 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-11-10 06:58:51,403 INFO L425 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-11-10 06:58:51,403 INFO L425 ceAbstractionStarter]: For program point L573(lines 29 598) no Hoare annotation was computed. [2018-11-10 06:58:51,403 INFO L425 ceAbstractionStarter]: For program point L540(lines 29 598) no Hoare annotation was computed. [2018-11-10 06:58:51,403 INFO L425 ceAbstractionStarter]: For program point L507(lines 29 598) no Hoare annotation was computed. [2018-11-10 06:58:51,403 INFO L425 ceAbstractionStarter]: For program point L474(lines 29 598) no Hoare annotation was computed. [2018-11-10 06:58:51,403 INFO L425 ceAbstractionStarter]: For program point L441(lines 29 598) no Hoare annotation was computed. [2018-11-10 06:58:51,403 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-11-10 06:58:51,403 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-11-10 06:58:51,403 INFO L425 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-11-10 06:58:51,403 INFO L425 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-10 06:58:51,403 INFO L425 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-10 06:58:51,403 INFO L425 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-11-10 06:58:51,403 INFO L425 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-10 06:58:51,403 INFO L425 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-11-10 06:58:51,404 INFO L425 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-10 06:58:51,404 INFO L425 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-11-10 06:58:51,404 INFO L425 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-11-10 06:58:51,404 INFO L425 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-11-10 06:58:51,404 INFO L425 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-11-10 06:58:51,404 INFO L425 ceAbstractionStarter]: For program point L576(lines 29 598) no Hoare annotation was computed. [2018-11-10 06:58:51,404 INFO L425 ceAbstractionStarter]: For program point L543(lines 29 598) no Hoare annotation was computed. [2018-11-10 06:58:51,404 INFO L425 ceAbstractionStarter]: For program point L510(lines 29 598) no Hoare annotation was computed. [2018-11-10 06:58:51,404 INFO L425 ceAbstractionStarter]: For program point L477(lines 29 598) no Hoare annotation was computed. [2018-11-10 06:58:51,404 INFO L425 ceAbstractionStarter]: For program point L444(lines 29 598) no Hoare annotation was computed. [2018-11-10 06:58:51,404 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-11-10 06:58:51,404 INFO L425 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-10 06:58:51,404 INFO L425 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-11-10 06:58:51,404 INFO L425 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-11-10 06:58:51,404 INFO L425 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-10 06:58:51,404 INFO L425 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-10 06:58:51,404 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-11-10 06:58:51,404 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-11-10 06:58:51,404 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-11-10 06:58:51,404 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-11-10 06:58:51,404 INFO L425 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-11-10 06:58:51,404 INFO L425 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-11-10 06:58:51,405 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-11-10 06:58:51,405 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-10 06:58:51,405 INFO L425 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-11-10 06:58:51,405 INFO L425 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-11-10 06:58:51,405 INFO L425 ceAbstractionStarter]: For program point L579(lines 29 598) no Hoare annotation was computed. [2018-11-10 06:58:51,405 INFO L425 ceAbstractionStarter]: For program point L546(lines 29 598) no Hoare annotation was computed. [2018-11-10 06:58:51,405 INFO L425 ceAbstractionStarter]: For program point L513(lines 29 598) no Hoare annotation was computed. [2018-11-10 06:58:51,405 INFO L425 ceAbstractionStarter]: For program point L480(lines 29 598) no Hoare annotation was computed. [2018-11-10 06:58:51,405 INFO L425 ceAbstractionStarter]: For program point L447(lines 29 598) no Hoare annotation was computed. [2018-11-10 06:58:51,405 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-11-10 06:58:51,405 INFO L425 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-11-10 06:58:51,405 INFO L425 ceAbstractionStarter]: For program point L414-1(lines 29 598) no Hoare annotation was computed. [2018-11-10 06:58:51,405 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-10 06:58:51,405 INFO L425 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-11-10 06:58:51,405 INFO L425 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-11-10 06:58:51,405 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-11-10 06:58:51,405 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-11-10 06:58:51,405 INFO L425 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-10 06:58:51,405 INFO L425 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-10 06:58:51,405 INFO L425 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-11-10 06:58:51,405 INFO L425 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-10 06:58:51,405 INFO L425 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-10 06:58:51,405 INFO L425 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-11-10 06:58:51,405 INFO L425 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-11-10 06:58:51,405 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-11-10 06:58:51,406 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-11-10 06:58:51,406 INFO L425 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-11-10 06:58:51,406 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-11-10 06:58:51,406 INFO L425 ceAbstractionStarter]: For program point L582(lines 29 598) no Hoare annotation was computed. [2018-11-10 06:58:51,406 INFO L425 ceAbstractionStarter]: For program point L549(lines 29 598) no Hoare annotation was computed. [2018-11-10 06:58:51,406 INFO L425 ceAbstractionStarter]: For program point L516(lines 29 598) no Hoare annotation was computed. [2018-11-10 06:58:51,406 INFO L425 ceAbstractionStarter]: For program point L483(lines 29 598) no Hoare annotation was computed. [2018-11-10 06:58:51,406 INFO L425 ceAbstractionStarter]: For program point L450(lines 29 598) no Hoare annotation was computed. [2018-11-10 06:58:51,406 INFO L425 ceAbstractionStarter]: For program point L417(lines 29 598) no Hoare annotation was computed. [2018-11-10 06:58:51,406 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-11-10 06:58:51,406 INFO L425 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-10 06:58:51,406 INFO L425 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-10 06:58:51,406 INFO L425 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-10 06:58:51,406 INFO L425 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-10 06:58:51,406 INFO L425 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-10 06:58:51,406 INFO L425 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-10 06:58:51,406 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-11-10 06:58:51,406 INFO L425 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-11-10 06:58:51,406 INFO L425 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-11-10 06:58:51,406 INFO L425 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-11-10 06:58:51,406 INFO L425 ceAbstractionStarter]: For program point L585(lines 29 598) no Hoare annotation was computed. [2018-11-10 06:58:51,406 INFO L425 ceAbstractionStarter]: For program point L552(lines 29 598) no Hoare annotation was computed. [2018-11-10 06:58:51,406 INFO L425 ceAbstractionStarter]: For program point L519(lines 29 598) no Hoare annotation was computed. [2018-11-10 06:58:51,406 INFO L425 ceAbstractionStarter]: For program point L486(lines 29 598) no Hoare annotation was computed. [2018-11-10 06:58:51,406 INFO L425 ceAbstractionStarter]: For program point L453(lines 29 598) no Hoare annotation was computed. [2018-11-10 06:58:51,406 INFO L425 ceAbstractionStarter]: For program point L420(lines 29 598) no Hoare annotation was computed. [2018-11-10 06:58:51,407 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-11-10 06:58:51,407 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-11-10 06:58:51,407 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-11-10 06:58:51,407 INFO L425 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-11-10 06:58:51,407 INFO L425 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-10 06:58:51,407 INFO L425 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-11-10 06:58:51,407 INFO L425 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-11-10 06:58:51,407 INFO L425 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-10 06:58:51,407 INFO L425 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-10 06:58:51,407 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-11-10 06:58:51,407 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-11-10 06:58:51,407 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 523) no Hoare annotation was computed. [2018-11-10 06:58:51,407 INFO L425 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-11-10 06:58:51,407 INFO L425 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-11-10 06:58:51,407 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-11-10 06:58:51,407 INFO L425 ceAbstractionStarter]: For program point L588(lines 29 598) no Hoare annotation was computed. [2018-11-10 06:58:51,407 INFO L425 ceAbstractionStarter]: For program point L555(lines 29 598) no Hoare annotation was computed. [2018-11-10 06:58:51,407 INFO L425 ceAbstractionStarter]: For program point L489(lines 29 598) no Hoare annotation was computed. [2018-11-10 06:58:51,407 INFO L425 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-11-10 06:58:51,408 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse9 (= 1 |old(~a11~0)|)) (.cse6 (= 1 |old(~a19~0)|)) (.cse8 (= 1 |old(~a25~0)|)) (.cse10 (= |old(~a28~0)| ~a28~0)) (.cse11 (= ~a19~0 |old(~a19~0)|)) (.cse12 (= ~a25~0 |old(~a25~0)|)) (.cse15 (= 1 ~a11~0))) (let ((.cse4 (not (= 8 |old(~a17~0)|))) (.cse0 (and .cse15 (= 8 ~a17~0))) (.cse14 (= 9 |old(~a28~0)|)) (.cse13 (and .cse10 .cse11 .cse12)) (.cse1 (not (= 1 ~a21~0))) (.cse7 (not (= 7 |old(~a28~0)|))) (.cse2 (not .cse8)) (.cse3 (not .cse6)) (.cse5 (not .cse9))) (and (or .cse0 .cse1 (not (= 10 |old(~a28~0)|)) .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse1 .cse7 .cse4 .cse0 .cse5 .cse8) (or .cse1 .cse9 (and .cse10 .cse11 (not (= ~a11~0 1)) .cse12)) (or .cse1 .cse2 .cse13) (or .cse1 .cse2 .cse3 .cse4 .cse0 (not .cse14) .cse5) (or .cse1 .cse13 .cse14) (or .cse1 .cse13 .cse3) (or .cse1 .cse7 .cse2 .cse3 .cse5 (and .cse15 (= 7 ~a17~0)) (not (= 7 |old(~a17~0)|)))))) [2018-11-10 06:58:51,408 INFO L425 ceAbstractionStarter]: For program point L456(lines 29 598) no Hoare annotation was computed. [2018-11-10 06:58:51,408 INFO L425 ceAbstractionStarter]: For program point L423(lines 29 598) no Hoare annotation was computed. [2018-11-10 06:58:51,408 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-11-10 06:58:51,408 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-11-10 06:58:51,408 INFO L425 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-11-10 06:58:51,408 INFO L425 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-11-10 06:58:51,408 INFO L425 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-10 06:58:51,408 INFO L425 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-10 06:58:51,408 INFO L425 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-11-10 06:58:51,408 INFO L425 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-10 06:58:51,408 INFO L425 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-11-10 06:58:51,408 INFO L425 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-11-10 06:58:51,408 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-11-10 06:58:51,408 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-11-10 06:58:51,408 INFO L425 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-11-10 06:58:51,408 INFO L425 ceAbstractionStarter]: For program point L591(lines 29 598) no Hoare annotation was computed. [2018-11-10 06:58:51,408 INFO L425 ceAbstractionStarter]: For program point L558(lines 29 598) no Hoare annotation was computed. [2018-11-10 06:58:51,409 INFO L425 ceAbstractionStarter]: For program point L525(lines 29 598) no Hoare annotation was computed. [2018-11-10 06:58:51,409 INFO L425 ceAbstractionStarter]: For program point L492(lines 29 598) no Hoare annotation was computed. [2018-11-10 06:58:51,409 INFO L425 ceAbstractionStarter]: For program point L459(lines 29 598) no Hoare annotation was computed. [2018-11-10 06:58:51,409 INFO L425 ceAbstractionStarter]: For program point L426(lines 29 598) no Hoare annotation was computed. [2018-11-10 06:58:51,409 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-11-10 06:58:51,409 INFO L425 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-11-10 06:58:51,409 INFO L425 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-10 06:58:51,409 INFO L425 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-11-10 06:58:51,409 INFO L425 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-11-10 06:58:51,409 INFO L425 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-11-10 06:58:51,409 INFO L425 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-10 06:58:51,409 INFO L425 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-11-10 06:58:51,409 INFO L425 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-11-10 06:58:51,409 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-11-10 06:58:51,409 INFO L425 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-11-10 06:58:51,409 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-11-10 06:58:51,409 INFO L425 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-11-10 06:58:51,409 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-11-10 06:58:51,409 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-11-10 06:58:51,409 INFO L425 ceAbstractionStarter]: For program point L594(lines 594 596) no Hoare annotation was computed. [2018-11-10 06:58:51,409 INFO L425 ceAbstractionStarter]: For program point L561(lines 29 598) no Hoare annotation was computed. [2018-11-10 06:58:51,409 INFO L425 ceAbstractionStarter]: For program point L528(lines 29 598) no Hoare annotation was computed. [2018-11-10 06:58:51,410 INFO L425 ceAbstractionStarter]: For program point L495(lines 29 598) no Hoare annotation was computed. [2018-11-10 06:58:51,410 INFO L425 ceAbstractionStarter]: For program point L462(lines 29 598) no Hoare annotation was computed. [2018-11-10 06:58:51,410 INFO L425 ceAbstractionStarter]: For program point L429(lines 29 598) no Hoare annotation was computed. [2018-11-10 06:58:51,410 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-11-10 06:58:51,410 INFO L425 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-11-10 06:58:51,410 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-11-10 06:58:51,410 INFO L425 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-11-10 06:58:51,410 INFO L425 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-10 06:58:51,410 INFO L425 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-10 06:58:51,410 INFO L425 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-10 06:58:51,410 INFO L425 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-10 06:58:51,410 INFO L425 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-10 06:58:51,410 INFO L425 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-10 06:58:51,411 INFO L425 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-11-10 06:58:51,411 INFO L425 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-11-10 06:58:51,411 INFO L425 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-11-10 06:58:51,411 INFO L425 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-11-10 06:58:51,411 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-11-10 06:58:51,411 INFO L425 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-11-10 06:58:51,411 INFO L425 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-11-10 06:58:51,411 INFO L425 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-11-10 06:58:51,411 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-11-10 06:58:51,411 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 06:58:51,411 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~a25~0 1)) (= 1 ~a19~0) (= ~a21~0 1) (not (= ~a11~0 1)) (not (= ~a28~0 9))) [2018-11-10 06:58:51,411 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 06:58:51,411 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 06:58:51,411 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 ~a21~0)) (= 1 |old(~a11~0)|) (and (= |old(~a28~0)| ~a28~0) (= ~a19~0 |old(~a19~0)|) (not (= ~a11~0 1)) (= ~a25~0 |old(~a25~0)|)) (not (= 1 |old(~a19~0)|)) (= 9 |old(~a28~0)|) (= 1 |old(~a25~0)|)) [2018-11-10 06:58:51,411 INFO L425 ceAbstractionStarter]: For program point L606-1(lines 606 616) no Hoare annotation was computed. [2018-11-10 06:58:51,411 INFO L421 ceAbstractionStarter]: At program point L606-3(lines 606 616) the Hoare annotation is: (or (not (= 1 ~a21~0)) (= ~a25~0 1) (= 1 ~a19~0) (= 9 |old(~a28~0)|) (not (= ~a28~0 9)) (not (= ~a11~0 1)) (= 1 |old(~a25~0)|) (= 1 |old(~a11~0)|) (not (= 1 |old(~a19~0)|))) [2018-11-10 06:58:51,411 INFO L425 ceAbstractionStarter]: For program point L606-4(lines 600 617) no Hoare annotation was computed. [2018-11-10 06:58:51,412 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-11-10 06:58:51,412 INFO L421 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (or (not (= 1 ~a21~0)) (= ~a25~0 1) (= 1 ~a19~0) (= 9 |old(~a28~0)|) (not (= ~a28~0 9)) (not (= ~a11~0 1)) (= 1 |old(~a25~0)|) (= 1 |old(~a11~0)|) (not (= 1 |old(~a19~0)|))) [2018-11-10 06:58:51,412 INFO L425 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-10 06:58:51,412 INFO L425 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-11-10 06:58:51,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 06:58:51 BoogieIcfgContainer [2018-11-10 06:58:51,425 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 06:58:51,426 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 06:58:51,426 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 06:58:51,426 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 06:58:51,426 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 06:58:43" (3/4) ... [2018-11-10 06:58:51,429 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 06:58:51,434 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 06:58:51,434 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-10 06:58:51,435 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 06:58:51,443 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-10 06:58:51,444 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-10 06:58:51,470 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(1 == a21) || a25 == 1) || 1 == a19) || 9 == \old(a28)) || !(a28 == 9)) || !(a11 == 1)) || 1 == \old(a25)) || 1 == \old(a11)) || !(1 == \old(a19)) [2018-11-10 06:58:51,538 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_cf2029ef-a6f5-4dca-a1b3-e9180d01d750/bin-2019/uautomizer/witness.graphml [2018-11-10 06:58:51,539 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 06:58:51,539 INFO L168 Benchmark]: Toolchain (without parser) took 9783.08 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 410.0 MB). Free memory was 945.7 MB in the beginning and 1.2 GB in the end (delta: -248.0 MB). Peak memory consumption was 162.0 MB. Max. memory is 11.5 GB. [2018-11-10 06:58:51,540 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 06:58:51,540 INFO L168 Benchmark]: CACSL2BoogieTranslator took 346.48 ms. Allocated memory is still 1.0 GB. Free memory was 945.7 MB in the beginning and 916.2 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-11-10 06:58:51,540 INFO L168 Benchmark]: Boogie Preprocessor took 125.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 176.2 MB). Free memory was 916.2 MB in the beginning and 1.2 GB in the end (delta: -254.5 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2018-11-10 06:58:51,541 INFO L168 Benchmark]: RCFGBuilder took 882.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 110.9 MB). Peak memory consumption was 110.9 MB. Max. memory is 11.5 GB. [2018-11-10 06:58:51,541 INFO L168 Benchmark]: TraceAbstraction took 8312.58 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 233.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -144.8 MB). Peak memory consumption was 89.1 MB. Max. memory is 11.5 GB. [2018-11-10 06:58:51,541 INFO L168 Benchmark]: Witness Printer took 112.87 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2018-11-10 06:58:51,542 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 346.48 ms. Allocated memory is still 1.0 GB. Free memory was 945.7 MB in the beginning and 916.2 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 125.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 176.2 MB). Free memory was 916.2 MB in the beginning and 1.2 GB in the end (delta: -254.5 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 882.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 110.9 MB). Peak memory consumption was 110.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8312.58 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 233.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -144.8 MB). Peak memory consumption was 89.1 MB. Max. memory is 11.5 GB. * Witness Printer took 112.87 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 523]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((!(1 == a21) || a25 == 1) || 1 == a19) || 9 == \old(a28)) || !(a28 == 9)) || !(a11 == 1)) || 1 == \old(a25)) || 1 == \old(a11)) || !(1 == \old(a19)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. SAFE Result, 8.2s OverallTime, 8 OverallIterations, 3 TraceHistogramMax, 6.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 1002 SDtfs, 6048 SDslu, 1111 SDs, 0 SdLazy, 8252 SolverSat, 1668 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 296 GetRequests, 226 SyntacticMatches, 6 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 416 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1558occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 40 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 87 PreInvPairs, 195 NumberOfFragments, 331 HoareAnnotationTreeSize, 87 FomulaSimplifications, 3218 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1147 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1378 NumberOfCodeBlocks, 1378 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1369 ConstructedInterpolants, 0 QuantifiedInterpolants, 1261548 SizeOfPredicates, 0 NumberOfNonLiveVariables, 441 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 9 InterpolantComputations, 7 PerfectInterpolantSequences, 290/294 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...