./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label11_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c544e80e-a432-4795-bbe0-9a893ea07806/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c544e80e-a432-4795-bbe0-9a893ea07806/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c544e80e-a432-4795-bbe0-9a893ea07806/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c544e80e-a432-4795-bbe0-9a893ea07806/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label11_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c544e80e-a432-4795-bbe0-9a893ea07806/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c544e80e-a432-4795-bbe0-9a893ea07806/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 e09138f51265758a55ca4b42a17e715ba685a263 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 08:16:42,392 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 08:16:42,393 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 08:16:42,400 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 08:16:42,400 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 08:16:42,401 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 08:16:42,402 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 08:16:42,403 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 08:16:42,404 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 08:16:42,405 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 08:16:42,406 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 08:16:42,406 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 08:16:42,407 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 08:16:42,407 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 08:16:42,408 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 08:16:42,409 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 08:16:42,409 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 08:16:42,411 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 08:16:42,412 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 08:16:42,413 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 08:16:42,414 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 08:16:42,415 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 08:16:42,417 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 08:16:42,417 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 08:16:42,417 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 08:16:42,418 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 08:16:42,419 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 08:16:42,419 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 08:16:42,420 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 08:16:42,421 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 08:16:42,421 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 08:16:42,421 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 08:16:42,422 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 08:16:42,422 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 08:16:42,422 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 08:16:42,423 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 08:16:42,423 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c544e80e-a432-4795-bbe0-9a893ea07806/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 08:16:42,432 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 08:16:42,432 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 08:16:42,433 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 08:16:42,433 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 08:16:42,433 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 08:16:42,433 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 08:16:42,433 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 08:16:42,434 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 08:16:42,434 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 08:16:42,434 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 08:16:42,434 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 08:16:42,434 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 08:16:42,434 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 08:16:42,435 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 08:16:42,435 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 08:16:42,435 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 08:16:42,435 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 08:16:42,435 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 08:16:42,435 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 08:16:42,436 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 08:16:42,436 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 08:16:42,436 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 08:16:42,436 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 08:16:42,436 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 08:16:42,436 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 08:16:42,437 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 08:16:42,437 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 08:16:42,437 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 08:16:42,437 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 08:16:42,437 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 08:16:42,437 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_c544e80e-a432-4795-bbe0-9a893ea07806/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 -> e09138f51265758a55ca4b42a17e715ba685a263 [2018-11-23 08:16:42,460 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 08:16:42,468 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 08:16:42,470 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 08:16:42,471 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 08:16:42,471 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 08:16:42,472 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c544e80e-a432-4795-bbe0-9a893ea07806/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem01_label11_true-unreach-call_false-termination.c [2018-11-23 08:16:42,508 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c544e80e-a432-4795-bbe0-9a893ea07806/bin-2019/uautomizer/data/9e2bd01d6/247d5baabcec48e6b2b42cad3d10beef/FLAGd8e2dba85 [2018-11-23 08:16:42,968 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 08:16:42,969 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c544e80e-a432-4795-bbe0-9a893ea07806/sv-benchmarks/c/eca-rers2012/Problem01_label11_true-unreach-call_false-termination.c [2018-11-23 08:16:42,978 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c544e80e-a432-4795-bbe0-9a893ea07806/bin-2019/uautomizer/data/9e2bd01d6/247d5baabcec48e6b2b42cad3d10beef/FLAGd8e2dba85 [2018-11-23 08:16:42,991 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c544e80e-a432-4795-bbe0-9a893ea07806/bin-2019/uautomizer/data/9e2bd01d6/247d5baabcec48e6b2b42cad3d10beef [2018-11-23 08:16:42,993 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 08:16:42,994 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 08:16:42,994 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 08:16:42,994 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 08:16:42,997 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 08:16:42,997 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:16:42" (1/1) ... [2018-11-23 08:16:42,999 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e234a26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:42, skipping insertion in model container [2018-11-23 08:16:42,999 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:16:42" (1/1) ... [2018-11-23 08:16:43,005 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 08:16:43,039 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 08:16:43,285 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 08:16:43,288 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 08:16:43,353 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 08:16:43,363 INFO L195 MainTranslator]: Completed translation [2018-11-23 08:16:43,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:43 WrapperNode [2018-11-23 08:16:43,364 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 08:16:43,364 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 08:16:43,364 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 08:16:43,364 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 08:16:43,427 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:43" (1/1) ... [2018-11-23 08:16:43,441 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:43" (1/1) ... [2018-11-23 08:16:43,448 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 08:16:43,448 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 08:16:43,448 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 08:16:43,448 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 08:16:43,456 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:43" (1/1) ... [2018-11-23 08:16:43,457 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:43" (1/1) ... [2018-11-23 08:16:43,460 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:43" (1/1) ... [2018-11-23 08:16:43,460 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:43" (1/1) ... [2018-11-23 08:16:43,483 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:43" (1/1) ... [2018-11-23 08:16:43,492 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:43" (1/1) ... [2018-11-23 08:16:43,495 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:43" (1/1) ... [2018-11-23 08:16:43,499 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 08:16:43,500 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 08:16:43,500 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 08:16:43,500 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 08:16:43,501 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c544e80e-a432-4795-bbe0-9a893ea07806/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 [2018-11-23 08:16:43,538 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 08:16:43,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 08:16:43,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 08:16:43,538 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 08:16:43,538 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 08:16:43,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 08:16:43,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 08:16:43,539 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 08:16:43,539 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 08:16:44,452 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 08:16:44,452 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 08:16:44,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:16:44 BoogieIcfgContainer [2018-11-23 08:16:44,453 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 08:16:44,453 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 08:16:44,453 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 08:16:44,456 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 08:16:44,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:16:42" (1/3) ... [2018-11-23 08:16:44,457 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@318e3581 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:16:44, skipping insertion in model container [2018-11-23 08:16:44,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:43" (2/3) ... [2018-11-23 08:16:44,457 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@318e3581 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:16:44, skipping insertion in model container [2018-11-23 08:16:44,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:16:44" (3/3) ... [2018-11-23 08:16:44,458 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label11_true-unreach-call_false-termination.c [2018-11-23 08:16:44,467 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 08:16:44,473 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 08:16:44,486 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 08:16:44,513 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 08:16:44,514 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 08:16:44,514 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 08:16:44,514 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 08:16:44,514 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 08:16:44,514 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 08:16:44,514 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 08:16:44,515 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 08:16:44,515 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 08:16:44,532 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2018-11-23 08:16:44,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-11-23 08:16:44,541 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:16:44,542 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:16:44,544 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:16:44,548 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:16:44,548 INFO L82 PathProgramCache]: Analyzing trace with hash -1377016033, now seen corresponding path program 1 times [2018-11-23 08:16:44,550 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:16:44,550 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:16:44,591 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:16:44,591 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:16:44,591 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:16:44,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:16:44,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:16:44,884 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:16:44,885 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 08:16:44,889 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 08:16:44,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 08:16:44,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 08:16:44,903 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2018-11-23 08:16:45,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:16:45,438 INFO L93 Difference]: Finished difference Result 547 states and 938 transitions. [2018-11-23 08:16:45,439 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 08:16:45,440 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 115 [2018-11-23 08:16:45,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:16:45,449 INFO L225 Difference]: With dead ends: 547 [2018-11-23 08:16:45,449 INFO L226 Difference]: Without dead ends: 338 [2018-11-23 08:16:45,452 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 08:16:45,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2018-11-23 08:16:45,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 338. [2018-11-23 08:16:45,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2018-11-23 08:16:45,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 560 transitions. [2018-11-23 08:16:45,504 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 560 transitions. Word has length 115 [2018-11-23 08:16:45,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:16:45,505 INFO L480 AbstractCegarLoop]: Abstraction has 338 states and 560 transitions. [2018-11-23 08:16:45,506 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 08:16:45,506 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 560 transitions. [2018-11-23 08:16:45,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-11-23 08:16:45,509 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:16:45,509 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-11-23 08:16:45,510 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:16:45,510 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:16:45,510 INFO L82 PathProgramCache]: Analyzing trace with hash -1300380632, now seen corresponding path program 1 times [2018-11-23 08:16:45,510 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:16:45,510 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:16:45,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:16:45,511 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:16:45,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:16:45,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:16:45,643 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:16:45,644 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:16:45,644 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 08:16:45,646 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 08:16:45,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 08:16:45,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 08:16:45,647 INFO L87 Difference]: Start difference. First operand 338 states and 560 transitions. Second operand 6 states. [2018-11-23 08:16:46,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:16:46,225 INFO L93 Difference]: Finished difference Result 881 states and 1484 transitions. [2018-11-23 08:16:46,226 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 08:16:46,226 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 125 [2018-11-23 08:16:46,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:16:46,229 INFO L225 Difference]: With dead ends: 881 [2018-11-23 08:16:46,229 INFO L226 Difference]: Without dead ends: 549 [2018-11-23 08:16:46,232 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-23 08:16:46,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2018-11-23 08:16:46,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 536. [2018-11-23 08:16:46,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 536 states. [2018-11-23 08:16:46,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 824 transitions. [2018-11-23 08:16:46,253 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 824 transitions. Word has length 125 [2018-11-23 08:16:46,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:16:46,253 INFO L480 AbstractCegarLoop]: Abstraction has 536 states and 824 transitions. [2018-11-23 08:16:46,253 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 08:16:46,253 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 824 transitions. [2018-11-23 08:16:46,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-11-23 08:16:46,255 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:16:46,255 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-11-23 08:16:46,255 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:16:46,255 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:16:46,255 INFO L82 PathProgramCache]: Analyzing trace with hash 860697510, now seen corresponding path program 1 times [2018-11-23 08:16:46,255 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:16:46,256 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:16:46,256 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:16:46,256 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:16:46,256 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:16:46,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:16:46,451 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:16:46,451 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:16:46,451 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 08:16:46,452 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 08:16:46,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 08:16:46,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 08:16:46,452 INFO L87 Difference]: Start difference. First operand 536 states and 824 transitions. Second operand 5 states. [2018-11-23 08:16:46,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:16:46,909 INFO L93 Difference]: Finished difference Result 1203 states and 1889 transitions. [2018-11-23 08:16:46,909 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 08:16:46,909 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 126 [2018-11-23 08:16:46,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:16:46,912 INFO L225 Difference]: With dead ends: 1203 [2018-11-23 08:16:46,912 INFO L226 Difference]: Without dead ends: 533 [2018-11-23 08:16:46,913 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 08:16:46,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states. [2018-11-23 08:16:46,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 533. [2018-11-23 08:16:46,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 533 states. [2018-11-23 08:16:46,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 784 transitions. [2018-11-23 08:16:46,925 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 784 transitions. Word has length 126 [2018-11-23 08:16:46,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:16:46,925 INFO L480 AbstractCegarLoop]: Abstraction has 533 states and 784 transitions. [2018-11-23 08:16:46,925 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 08:16:46,925 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 784 transitions. [2018-11-23 08:16:46,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-23 08:16:46,927 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:16:46,927 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:16:46,927 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:16:46,928 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:16:46,928 INFO L82 PathProgramCache]: Analyzing trace with hash -1706034196, now seen corresponding path program 1 times [2018-11-23 08:16:46,928 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:16:46,928 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:16:46,929 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:16:46,929 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:16:46,929 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:16:46,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:16:47,132 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:16:47,132 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:16:47,132 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 08:16:47,132 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 08:16:47,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 08:16:47,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 08:16:47,133 INFO L87 Difference]: Start difference. First operand 533 states and 784 transitions. Second operand 5 states. [2018-11-23 08:16:47,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:16:47,611 INFO L93 Difference]: Finished difference Result 1197 states and 1792 transitions. [2018-11-23 08:16:47,612 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 08:16:47,612 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 127 [2018-11-23 08:16:47,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:16:47,614 INFO L225 Difference]: With dead ends: 1197 [2018-11-23 08:16:47,614 INFO L226 Difference]: Without dead ends: 532 [2018-11-23 08:16:47,615 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 08:16:47,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 532 states. [2018-11-23 08:16:47,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 532 to 532. [2018-11-23 08:16:47,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 532 states. [2018-11-23 08:16:47,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 532 states and 779 transitions. [2018-11-23 08:16:47,630 INFO L78 Accepts]: Start accepts. Automaton has 532 states and 779 transitions. Word has length 127 [2018-11-23 08:16:47,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:16:47,631 INFO L480 AbstractCegarLoop]: Abstraction has 532 states and 779 transitions. [2018-11-23 08:16:47,631 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 08:16:47,631 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 779 transitions. [2018-11-23 08:16:47,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-23 08:16:47,632 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:16:47,633 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-11-23 08:16:47,633 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:16:47,633 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:16:47,633 INFO L82 PathProgramCache]: Analyzing trace with hash 508544498, now seen corresponding path program 1 times [2018-11-23 08:16:47,633 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:16:47,634 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:16:47,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:16:47,635 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:16:47,635 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:16:47,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:16:47,736 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:16:47,736 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:16:47,736 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 08:16:47,737 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 08:16:47,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 08:16:47,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 08:16:47,737 INFO L87 Difference]: Start difference. First operand 532 states and 779 transitions. Second operand 3 states. [2018-11-23 08:16:48,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:16:48,101 INFO L93 Difference]: Finished difference Result 1512 states and 2291 transitions. [2018-11-23 08:16:48,101 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 08:16:48,101 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 132 [2018-11-23 08:16:48,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:16:48,106 INFO L225 Difference]: With dead ends: 1512 [2018-11-23 08:16:48,106 INFO L226 Difference]: Without dead ends: 986 [2018-11-23 08:16:48,108 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 08:16:48,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 986 states. [2018-11-23 08:16:48,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 986 to 986. [2018-11-23 08:16:48,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 986 states. [2018-11-23 08:16:48,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 986 states to 986 states and 1405 transitions. [2018-11-23 08:16:48,133 INFO L78 Accepts]: Start accepts. Automaton has 986 states and 1405 transitions. Word has length 132 [2018-11-23 08:16:48,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:16:48,134 INFO L480 AbstractCegarLoop]: Abstraction has 986 states and 1405 transitions. [2018-11-23 08:16:48,134 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 08:16:48,134 INFO L276 IsEmpty]: Start isEmpty. Operand 986 states and 1405 transitions. [2018-11-23 08:16:48,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-23 08:16:48,136 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:16:48,137 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-11-23 08:16:48,137 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:16:48,137 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:16:48,137 INFO L82 PathProgramCache]: Analyzing trace with hash -486972616, now seen corresponding path program 1 times [2018-11-23 08:16:48,137 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:16:48,137 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:16:48,138 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:16:48,138 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:16:48,138 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:16:48,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:16:48,210 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:16:48,211 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:16:48,211 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 08:16:48,211 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 08:16:48,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 08:16:48,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 08:16:48,212 INFO L87 Difference]: Start difference. First operand 986 states and 1405 transitions. Second operand 6 states. [2018-11-23 08:16:48,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:16:48,985 INFO L93 Difference]: Finished difference Result 2924 states and 4351 transitions. [2018-11-23 08:16:48,985 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 08:16:48,985 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 133 [2018-11-23 08:16:48,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:16:48,991 INFO L225 Difference]: With dead ends: 2924 [2018-11-23 08:16:48,991 INFO L226 Difference]: Without dead ends: 1944 [2018-11-23 08:16:48,994 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-23 08:16:48,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1944 states. [2018-11-23 08:16:49,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1944 to 1917. [2018-11-23 08:16:49,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1917 states. [2018-11-23 08:16:49,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1917 states to 1917 states and 2543 transitions. [2018-11-23 08:16:49,029 INFO L78 Accepts]: Start accepts. Automaton has 1917 states and 2543 transitions. Word has length 133 [2018-11-23 08:16:49,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:16:49,030 INFO L480 AbstractCegarLoop]: Abstraction has 1917 states and 2543 transitions. [2018-11-23 08:16:49,030 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 08:16:49,030 INFO L276 IsEmpty]: Start isEmpty. Operand 1917 states and 2543 transitions. [2018-11-23 08:16:49,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-11-23 08:16:49,033 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:16:49,033 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-23 08:16:49,033 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:16:49,033 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:16:49,033 INFO L82 PathProgramCache]: Analyzing trace with hash -1684411513, now seen corresponding path program 1 times [2018-11-23 08:16:49,034 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:16:49,034 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:16:49,034 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:16:49,034 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:16:49,035 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:16:49,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:16:49,118 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 40 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:16:49,118 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:16:49,118 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c544e80e-a432-4795-bbe0-9a893ea07806/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 [2018-11-23 08:16:49,128 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:16:49,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:16:49,184 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:16:49,246 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 24 proven. 14 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 08:16:49,262 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 08:16:49,262 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 8 [2018-11-23 08:16:49,263 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 08:16:49,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 08:16:49,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-11-23 08:16:49,263 INFO L87 Difference]: Start difference. First operand 1917 states and 2543 transitions. Second operand 8 states. [2018-11-23 08:16:50,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:16:50,734 INFO L93 Difference]: Finished difference Result 5581 states and 7991 transitions. [2018-11-23 08:16:50,735 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-23 08:16:50,735 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 148 [2018-11-23 08:16:50,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:16:50,747 INFO L225 Difference]: With dead ends: 5581 [2018-11-23 08:16:50,747 INFO L226 Difference]: Without dead ends: 3670 [2018-11-23 08:16:50,753 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2018-11-23 08:16:50,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3670 states. [2018-11-23 08:16:50,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3670 to 3453. [2018-11-23 08:16:50,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3453 states. [2018-11-23 08:16:50,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3453 states to 3453 states and 4397 transitions. [2018-11-23 08:16:50,819 INFO L78 Accepts]: Start accepts. Automaton has 3453 states and 4397 transitions. Word has length 148 [2018-11-23 08:16:50,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:16:50,819 INFO L480 AbstractCegarLoop]: Abstraction has 3453 states and 4397 transitions. [2018-11-23 08:16:50,819 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 08:16:50,820 INFO L276 IsEmpty]: Start isEmpty. Operand 3453 states and 4397 transitions. [2018-11-23 08:16:50,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-23 08:16:50,827 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:16:50,827 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:16:50,827 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:16:50,827 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:16:50,828 INFO L82 PathProgramCache]: Analyzing trace with hash 396690596, now seen corresponding path program 1 times [2018-11-23 08:16:50,828 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:16:50,828 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:16:50,829 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:16:50,829 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:16:50,829 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:16:50,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:16:50,923 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 78 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 08:16:50,924 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:16:50,924 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c544e80e-a432-4795-bbe0-9a893ea07806/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 08:16:50,930 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:16:51,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:16:51,017 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:16:51,089 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 78 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 08:16:51,116 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 08:16:51,116 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2018-11-23 08:16:51,116 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 08:16:51,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 08:16:51,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-11-23 08:16:51,117 INFO L87 Difference]: Start difference. First operand 3453 states and 4397 transitions. Second operand 9 states. [2018-11-23 08:16:51,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:16:51,989 INFO L93 Difference]: Finished difference Result 7058 states and 9140 transitions. [2018-11-23 08:16:51,990 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-23 08:16:51,990 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 168 [2018-11-23 08:16:51,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:16:51,990 INFO L225 Difference]: With dead ends: 7058 [2018-11-23 08:16:51,991 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 08:16:52,007 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=102, Invalid=278, Unknown=0, NotChecked=0, Total=380 [2018-11-23 08:16:52,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 08:16:52,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 08:16:52,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 08:16:52,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 08:16:52,007 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 168 [2018-11-23 08:16:52,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:16:52,008 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 08:16:52,008 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 08:16:52,008 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 08:16:52,008 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 08:16:52,012 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 08:16:52,090 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:16:52,090 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:16:52,100 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:16:52,112 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:16:52,113 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:16:52,114 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:16:52,117 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:16:52,118 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:16:52,120 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:16:52,123 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:16:52,126 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:16:52,135 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:16:52,136 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:16:52,137 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:16:52,139 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:16:52,142 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:16:52,143 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:16:52,144 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:16:52,152 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:16:52,153 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:16:52,163 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:16:52,175 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:16:52,176 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:16:52,177 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:16:52,180 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:16:52,181 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:16:52,183 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:16:52,185 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:16:52,188 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:16:52,198 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:16:52,199 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:16:52,200 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:16:52,202 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:16:52,203 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:16:52,205 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:16:52,207 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:16:52,695 WARN L180 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 61 [2018-11-23 08:16:52,839 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 53 [2018-11-23 08:16:52,984 WARN L180 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 53 [2018-11-23 08:16:52,985 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 08:16:52,986 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a17~0 |old(~a17~0)|) (= |old(~a7~0)| ~a7~0) (<= |old(~a8~0)| ~a8~0) (= |old(~a16~0)| ~a16~0) (= ~a20~0 |old(~a20~0)|) (= ~a21~0 |old(~a21~0)|)) [2018-11-23 08:16:52,986 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 08:16:52,986 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-23 08:16:52,986 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-23 08:16:52,986 INFO L448 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:16:52,986 INFO L448 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:16:52,986 INFO L448 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:16:52,986 INFO L448 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:16:52,986 INFO L448 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:16:52,987 INFO L448 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:16:52,987 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-23 08:16:52,987 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-23 08:16:52,987 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-23 08:16:52,987 INFO L448 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-23 08:16:52,987 INFO L448 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-23 08:16:52,987 INFO L448 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-23 08:16:52,987 INFO L448 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-23 08:16:52,987 INFO L448 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-23 08:16:52,988 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-23 08:16:52,988 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-23 08:16:52,988 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:16:52,988 INFO L448 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:16:52,988 INFO L448 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:16:52,988 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:16:52,988 INFO L448 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:16:52,988 INFO L448 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:16:52,989 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-23 08:16:52,989 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-23 08:16:52,989 INFO L448 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-23 08:16:52,989 INFO L448 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-23 08:16:52,989 INFO L448 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-23 08:16:52,989 INFO L448 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-23 08:16:52,989 INFO L448 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-23 08:16:52,989 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-23 08:16:52,989 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-23 08:16:52,990 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-23 08:16:52,990 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-23 08:16:52,990 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-23 08:16:52,990 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-23 08:16:52,990 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-23 08:16:52,990 INFO L448 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-11-23 08:16:52,990 INFO L448 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:16:52,990 INFO L448 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:16:52,990 INFO L448 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:16:52,991 INFO L448 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:16:52,991 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:16:52,991 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-23 08:16:52,991 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-23 08:16:52,991 INFO L448 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-23 08:16:52,991 INFO L448 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-23 08:16:52,991 INFO L448 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-23 08:16:52,991 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-23 08:16:52,991 INFO L448 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-23 08:16:52,991 INFO L448 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-23 08:16:52,991 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-23 08:16:52,991 INFO L448 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:16:52,991 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:16:52,991 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:16:52,991 INFO L448 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:16:52,992 INFO L448 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:16:52,992 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-23 08:16:52,992 INFO L448 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-23 08:16:52,992 INFO L448 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-23 08:16:52,992 INFO L448 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-23 08:16:52,992 INFO L448 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-23 08:16:52,992 INFO L448 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-23 08:16:52,992 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-23 08:16:52,992 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-23 08:16:52,992 INFO L448 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-23 08:16:52,992 INFO L448 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-23 08:16:52,992 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-23 08:16:52,992 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-23 08:16:52,992 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-23 08:16:52,992 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:16:52,992 INFO L448 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:16:52,993 INFO L448 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:16:52,993 INFO L448 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:16:52,993 INFO L448 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:16:52,993 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-23 08:16:52,993 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-23 08:16:52,993 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-23 08:16:52,993 INFO L448 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-23 08:16:52,993 INFO L448 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-23 08:16:52,993 INFO L448 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-23 08:16:52,993 INFO L448 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-23 08:16:52,993 INFO L448 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-23 08:16:52,993 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-23 08:16:52,993 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:16:52,993 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:16:52,993 INFO L448 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:16:52,993 INFO L448 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:16:52,993 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:16:52,994 INFO L448 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:16:52,994 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-23 08:16:52,994 INFO L448 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:16:52,994 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-23 08:16:52,994 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-23 08:16:52,994 INFO L448 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-23 08:16:52,994 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-23 08:16:52,994 INFO L448 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-23 08:16:52,994 INFO L448 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-23 08:16:52,994 INFO L448 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-23 08:16:52,994 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-23 08:16:52,994 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-23 08:16:52,994 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-23 08:16:52,994 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-23 08:16:52,994 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-23 08:16:52,994 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-23 08:16:52,994 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:16:52,994 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:16:52,995 INFO L448 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:16:52,995 INFO L448 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:16:52,995 INFO L448 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:16:52,995 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-23 08:16:52,995 INFO L448 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-23 08:16:52,995 INFO L448 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-23 08:16:52,995 INFO L448 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-23 08:16:52,995 INFO L448 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-23 08:16:52,995 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-23 08:16:52,995 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-23 08:16:52,995 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-23 08:16:52,995 INFO L448 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:16:52,995 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:16:53,008 INFO L448 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:16:53,009 INFO L448 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:16:53,009 INFO L448 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:16:53,009 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-23 08:16:53,009 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-23 08:16:53,009 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-23 08:16:53,009 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-23 08:16:53,009 INFO L448 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-23 08:16:53,009 INFO L448 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-23 08:16:53,009 INFO L448 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-23 08:16:53,009 INFO L448 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-23 08:16:53,009 INFO L448 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-23 08:16:53,010 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-23 08:16:53,010 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse10 (= 1 |old(~a17~0)|)) (.cse12 (= ~a17~0 |old(~a17~0)|)) (.cse13 (= |old(~a7~0)| ~a7~0)) (.cse14 (<= |old(~a8~0)| ~a8~0)) (.cse11 (= |old(~a16~0)| ~a16~0)) (.cse16 (= ~a20~0 |old(~a20~0)|))) (let ((.cse9 (< 0 |old(~a21~0)|)) (.cse8 (= 6 |old(~a16~0)|)) (.cse7 (and .cse12 .cse13 .cse14 .cse11 .cse16 (= ~a21~0 |old(~a21~0)|))) (.cse0 (not (= 1 |old(~a21~0)|))) (.cse1 (not (= 1 |old(~a20~0)|))) (.cse2 (not (= 4 |old(~a16~0)|))) (.cse15 (= 1 ~a21~0)) (.cse3 (not (= 8 ~a12~0))) (.cse6 (= 1 |old(~a7~0)|)) (.cse4 (not (= 13 |old(~a8~0)|))) (.cse5 (not .cse10))) (and (or .cse0 .cse1 .cse2 .cse3 (= 13 ~a8~0) .cse4 .cse5) (or .cse0 .cse6 .cse7 .cse3 (< |old(~a8~0)| 15)) (or .cse8 .cse7 .cse3 .cse9) (or .cse7 .cse3 .cse10 .cse9) (or .cse8 .cse0 .cse3 .cse10 .cse7) (or (and .cse11 .cse12 .cse13 .cse14 .cse15 .cse16) .cse0 .cse6 .cse1 .cse3 .cse5) (or .cse0 .cse1 .cse2 (and (= 1 ~a7~0) (= 1 ~a20~0) .cse11 .cse15 (= 1 ~a17~0)) .cse3 (not .cse6) .cse4 .cse5)))) [2018-11-23 08:16:53,010 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-23 08:16:53,010 INFO L448 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:16:53,010 INFO L448 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:16:53,010 INFO L448 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:16:53,010 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:16:53,010 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-23 08:16:53,010 INFO L448 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:16:53,011 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:16:53,011 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-23 08:16:53,011 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-23 08:16:53,011 INFO L448 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-23 08:16:53,011 INFO L448 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-23 08:16:53,011 INFO L448 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-23 08:16:53,011 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-23 08:16:53,011 INFO L448 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-23 08:16:53,011 INFO L448 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-23 08:16:53,011 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-23 08:16:53,011 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-23 08:16:53,011 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 503) no Hoare annotation was computed. [2018-11-23 08:16:53,012 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-23 08:16:53,012 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-23 08:16:53,012 INFO L448 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:16:53,012 INFO L448 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:16:53,012 INFO L448 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:16:53,012 INFO L448 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:16:53,012 INFO L448 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:16:53,012 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-23 08:16:53,012 INFO L448 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:16:53,012 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-23 08:16:53,012 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-23 08:16:53,012 INFO L448 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-23 08:16:53,012 INFO L448 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-23 08:16:53,013 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-23 08:16:53,013 INFO L448 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-23 08:16:53,013 INFO L448 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-23 08:16:53,013 INFO L448 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-23 08:16:53,013 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-23 08:16:53,013 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-23 08:16:53,013 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-23 08:16:53,013 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-23 08:16:53,013 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-23 08:16:53,013 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-23 08:16:53,013 INFO L448 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:16:53,013 INFO L448 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:16:53,013 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:16:53,013 INFO L448 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:16:53,013 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:16:53,014 INFO L448 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:16:53,014 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-23 08:16:53,014 INFO L448 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-23 08:16:53,014 INFO L448 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-23 08:16:53,014 INFO L448 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-23 08:16:53,014 INFO L448 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-23 08:16:53,014 INFO L448 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-23 08:16:53,014 INFO L448 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-23 08:16:53,014 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-23 08:16:53,014 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-23 08:16:53,014 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-23 08:16:53,014 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 08:16:53,014 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~a7~0 1)) (<= 15 ~a8~0) (= 1 ~a20~0) (not (= ~a16~0 6)) (= 1 ~a21~0) (= ~a12~0 8) (not (= ~a16~0 4)) (= 1 ~a17~0)) [2018-11-23 08:16:53,015 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 08:16:53,015 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 08:16:53,015 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (= 6 |old(~a16~0)|) (not (= 1 |old(~a21~0)|)) (= 1 |old(~a7~0)|) (= 4 |old(~a16~0)|) (not (= 1 |old(~a20~0)|)) (and (= |old(~a16~0)| ~a16~0) (= ~a17~0 |old(~a17~0)|) (= |old(~a7~0)| ~a7~0) (<= |old(~a8~0)| ~a8~0) (= 1 ~a21~0) (= ~a20~0 |old(~a20~0)|)) (not (= 8 ~a12~0)) (< |old(~a8~0)| 15) (not (= 1 |old(~a17~0)|))) [2018-11-23 08:16:53,015 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-23 08:16:53,015 INFO L444 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (not (= ~a7~0 1))) (.cse1 (= 1 ~a20~0)) (.cse2 (= 1 ~a21~0)) (.cse4 (not (= ~a17~0 1))) (.cse3 (<= ~a21~0 0)) (.cse5 (not (= ~a16~0 6)))) (or (and .cse0 .cse1 .cse2 (= 1 ~a17~0)) (= 6 |old(~a16~0)|) (not (= 1 |old(~a21~0)|)) (and .cse0 (<= 15 ~a8~0) .cse2) (and .cse3 .cse4) (and .cse1 (= 13 ~a8~0) (= 4 ~a16~0) .cse2) (and .cse5 .cse2 .cse4) (not (= 8 ~a12~0)) (and .cse3 .cse5) (< |old(~a8~0)| 15) (not (= 1 |old(~a17~0)|)) (= 1 |old(~a7~0)|) (= 4 |old(~a16~0)|) (not (= 1 |old(~a20~0)|)))) [2018-11-23 08:16:53,015 INFO L448 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-23 08:16:53,015 INFO L448 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-23 08:16:53,015 INFO L444 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse0 (not (= ~a7~0 1))) (.cse1 (= 1 ~a20~0)) (.cse2 (= 1 ~a21~0)) (.cse4 (not (= ~a17~0 1))) (.cse3 (<= ~a21~0 0)) (.cse5 (not (= ~a16~0 6)))) (or (and .cse0 .cse1 .cse2 (= 1 ~a17~0)) (= 6 |old(~a16~0)|) (not (= 1 |old(~a21~0)|)) (and .cse0 (<= 15 ~a8~0) .cse2) (and .cse3 .cse4) (and .cse1 (= 13 ~a8~0) (= 4 ~a16~0) .cse2) (and .cse5 .cse2 .cse4) (not (= 8 ~a12~0)) (and .cse3 .cse5) (< |old(~a8~0)| 15) (not (= 1 |old(~a17~0)|)) (= 1 |old(~a7~0)|) (= 4 |old(~a16~0)|) (not (= 1 |old(~a20~0)|)))) [2018-11-23 08:16:53,015 INFO L448 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2018-11-23 08:16:53,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:16:53 BoogieIcfgContainer [2018-11-23 08:16:53,030 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 08:16:53,031 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 08:16:53,031 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 08:16:53,031 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 08:16:53,031 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:16:44" (3/4) ... [2018-11-23 08:16:53,035 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 08:16:53,041 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 08:16:53,042 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 08:16:53,042 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 08:16:53,051 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 08:16:53,051 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 08:16:53,079 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((!(a7 == 1) && 1 == a20) && 1 == a21) && 1 == a17) || 6 == \old(a16)) || !(1 == \old(a21))) || ((!(a7 == 1) && 15 <= a8) && 1 == a21)) || (a21 <= 0 && !(a17 == 1))) || (((1 == a20 && 13 == a8) && 4 == a16) && 1 == a21)) || ((!(a16 == 6) && 1 == a21) && !(a17 == 1))) || !(8 == a12)) || (a21 <= 0 && !(a16 == 6))) || \old(a8) < 15) || !(1 == \old(a17))) || 1 == \old(a7)) || 4 == \old(a16)) || !(1 == \old(a20)) [2018-11-23 08:16:53,152 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c544e80e-a432-4795-bbe0-9a893ea07806/bin-2019/uautomizer/witness.graphml [2018-11-23 08:16:53,152 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 08:16:53,154 INFO L168 Benchmark]: Toolchain (without parser) took 10160.18 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 321.9 MB). Free memory was 950.1 MB in the beginning and 1.3 GB in the end (delta: -338.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 08:16:53,154 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 08:16:53,154 INFO L168 Benchmark]: CACSL2BoogieTranslator took 369.67 ms. Allocated memory is still 1.0 GB. Free memory was 950.1 MB in the beginning and 917.9 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-11-23 08:16:53,154 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 917.9 MB in the beginning and 1.1 GB in the end (delta: -217.6 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2018-11-23 08:16:53,155 INFO L168 Benchmark]: Boogie Preprocessor took 51.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. [2018-11-23 08:16:53,155 INFO L168 Benchmark]: RCFGBuilder took 952.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 103.3 MB). Peak memory consumption was 103.3 MB. Max. memory is 11.5 GB. [2018-11-23 08:16:53,155 INFO L168 Benchmark]: TraceAbstraction took 8577.07 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 181.9 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -281.2 MB). Peak memory consumption was 367.3 MB. Max. memory is 11.5 GB. [2018-11-23 08:16:53,155 INFO L168 Benchmark]: Witness Printer took 121.66 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 18.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2018-11-23 08:16:53,157 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 369.67 ms. Allocated memory is still 1.0 GB. Free memory was 950.1 MB in the beginning and 917.9 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 83.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 917.9 MB in the beginning and 1.1 GB in the end (delta: -217.6 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 51.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 952.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 103.3 MB). Peak memory consumption was 103.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8577.07 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 181.9 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -281.2 MB). Peak memory consumption was 367.3 MB. Max. memory is 11.5 GB. * Witness Printer took 121.66 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 18.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 503]: 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: 583]: Loop Invariant Derived loop invariant: (((((((((((((((!(a7 == 1) && 1 == a20) && 1 == a21) && 1 == a17) || 6 == \old(a16)) || !(1 == \old(a21))) || ((!(a7 == 1) && 15 <= a8) && 1 == a21)) || (a21 <= 0 && !(a17 == 1))) || (((1 == a20 && 13 == a8) && 4 == a16) && 1 == a21)) || ((!(a16 == 6) && 1 == a21) && !(a17 == 1))) || !(8 == a12)) || (a21 <= 0 && !(a16 == 6))) || \old(a8) < 15) || !(1 == \old(a17))) || 1 == \old(a7)) || 4 == \old(a16)) || !(1 == \old(a20)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. SAFE Result, 8.5s OverallTime, 8 OverallIterations, 4 TraceHistogramMax, 5.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 862 SDtfs, 4984 SDslu, 791 SDs, 0 SdLazy, 6712 SolverSat, 1333 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 415 GetRequests, 343 SyntacticMatches, 11 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3453occurred 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: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 257 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 96 PreInvPairs, 178 NumberOfFragments, 533 HoareAnnotationTreeSize, 96 FomulaSimplifications, 7029 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2908 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1390 NumberOfCodeBlocks, 1390 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1380 ConstructedInterpolants, 0 QuantifiedInterpolants, 875604 SizeOfPredicates, 3 NumberOfNonLiveVariables, 939 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 10 InterpolantComputations, 6 PerfectInterpolantSequences, 301/321 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...