./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label11_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_74e4bd68-7b75-428a-b6f9-256668dd491c/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_74e4bd68-7b75-428a-b6f9-256668dd491c/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_74e4bd68-7b75-428a-b6f9-256668dd491c/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_74e4bd68-7b75-428a-b6f9-256668dd491c/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label11_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_74e4bd68-7b75-428a-b6f9-256668dd491c/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_74e4bd68-7b75-428a-b6f9-256668dd491c/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 38eca36787df6152c26f941ea8052099b3b63076 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 08:18:38,349 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 08:18:38,350 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 08:18:38,356 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 08:18:38,356 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 08:18:38,357 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 08:18:38,357 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 08:18:38,358 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 08:18:38,359 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 08:18:38,359 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 08:18:38,360 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 08:18:38,360 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 08:18:38,360 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 08:18:38,361 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 08:18:38,361 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 08:18:38,362 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 08:18:38,362 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 08:18:38,363 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 08:18:38,364 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 08:18:38,365 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 08:18:38,365 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 08:18:38,366 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 08:18:38,367 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 08:18:38,367 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 08:18:38,367 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 08:18:38,368 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 08:18:38,368 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 08:18:38,369 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 08:18:38,369 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 08:18:38,370 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 08:18:38,370 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 08:18:38,370 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 08:18:38,370 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 08:18:38,370 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 08:18:38,371 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 08:18:38,371 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 08:18:38,371 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_74e4bd68-7b75-428a-b6f9-256668dd491c/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-08 08:18:38,379 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 08:18:38,379 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 08:18:38,379 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 08:18:38,379 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 08:18:38,380 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 08:18:38,380 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 08:18:38,380 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 08:18:38,380 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 08:18:38,380 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 08:18:38,380 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 08:18:38,380 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 08:18:38,380 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 08:18:38,380 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 08:18:38,380 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 08:18:38,380 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 08:18:38,381 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 08:18:38,381 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 08:18:38,381 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 08:18:38,381 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 08:18:38,381 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 08:18:38,381 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 08:18:38,381 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 08:18:38,381 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 08:18:38,381 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 08:18:38,381 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 08:18:38,381 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 08:18:38,381 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 08:18:38,382 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 08:18:38,382 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 08:18:38,382 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 08:18:38,382 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_74e4bd68-7b75-428a-b6f9-256668dd491c/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 -> 38eca36787df6152c26f941ea8052099b3b63076 [2018-12-08 08:18:38,399 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 08:18:38,406 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 08:18:38,408 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 08:18:38,409 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 08:18:38,409 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 08:18:38,410 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_74e4bd68-7b75-428a-b6f9-256668dd491c/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem10_label11_true-unreach-call.c [2018-12-08 08:18:38,443 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_74e4bd68-7b75-428a-b6f9-256668dd491c/bin-2019/uautomizer/data/b9625c393/bfc0a67a866c49f79381653aee3de62c/FLAG61eaa17fc [2018-12-08 08:18:38,778 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 08:18:38,778 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_74e4bd68-7b75-428a-b6f9-256668dd491c/sv-benchmarks/c/eca-rers2012/Problem10_label11_true-unreach-call.c [2018-12-08 08:18:38,785 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_74e4bd68-7b75-428a-b6f9-256668dd491c/bin-2019/uautomizer/data/b9625c393/bfc0a67a866c49f79381653aee3de62c/FLAG61eaa17fc [2018-12-08 08:18:38,793 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_74e4bd68-7b75-428a-b6f9-256668dd491c/bin-2019/uautomizer/data/b9625c393/bfc0a67a866c49f79381653aee3de62c [2018-12-08 08:18:38,795 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 08:18:38,796 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 08:18:38,796 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 08:18:38,796 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 08:18:38,799 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 08:18:38,799 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 08:18:38" (1/1) ... [2018-12-08 08:18:38,801 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56acabfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:18:38, skipping insertion in model container [2018-12-08 08:18:38,801 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 08:18:38" (1/1) ... [2018-12-08 08:18:38,805 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 08:18:38,830 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 08:18:39,019 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 08:18:39,022 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 08:18:39,109 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 08:18:39,118 INFO L195 MainTranslator]: Completed translation [2018-12-08 08:18:39,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:18:39 WrapperNode [2018-12-08 08:18:39,119 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 08:18:39,119 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 08:18:39,119 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 08:18:39,119 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 08:18:39,125 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:18:39" (1/1) ... [2018-12-08 08:18:39,134 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:18:39" (1/1) ... [2018-12-08 08:18:39,138 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 08:18:39,138 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 08:18:39,138 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 08:18:39,138 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 08:18:39,144 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:18:39" (1/1) ... [2018-12-08 08:18:39,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:18:39" (1/1) ... [2018-12-08 08:18:39,147 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:18:39" (1/1) ... [2018-12-08 08:18:39,147 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:18:39" (1/1) ... [2018-12-08 08:18:39,162 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:18:39" (1/1) ... [2018-12-08 08:18:39,169 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:18:39" (1/1) ... [2018-12-08 08:18:39,172 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:18:39" (1/1) ... [2018-12-08 08:18:39,177 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 08:18:39,177 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 08:18:39,177 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 08:18:39,177 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 08:18:39,178 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:18:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_74e4bd68-7b75-428a-b6f9-256668dd491c/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 [2018-12-08 08:18:39,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 08:18:39,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 08:18:39,211 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-08 08:18:39,211 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-08 08:18:39,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 08:18:39,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 08:18:39,211 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 08:18:39,211 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 08:18:39,840 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 08:18:39,840 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-08 08:18:39,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:18:39 BoogieIcfgContainer [2018-12-08 08:18:39,840 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 08:18:39,841 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 08:18:39,841 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 08:18:39,844 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 08:18:39,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 08:18:38" (1/3) ... [2018-12-08 08:18:39,845 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@322ad09d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 08:18:39, skipping insertion in model container [2018-12-08 08:18:39,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:18:39" (2/3) ... [2018-12-08 08:18:39,845 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@322ad09d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 08:18:39, skipping insertion in model container [2018-12-08 08:18:39,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:18:39" (3/3) ... [2018-12-08 08:18:39,847 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label11_true-unreach-call.c [2018-12-08 08:18:39,855 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 08:18:39,861 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 08:18:39,875 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 08:18:39,894 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 08:18:39,895 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 08:18:39,895 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 08:18:39,895 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 08:18:39,895 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 08:18:39,895 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 08:18:39,895 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 08:18:39,895 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 08:18:39,895 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 08:18:39,910 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2018-12-08 08:18:39,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-08 08:18:39,915 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:18:39,916 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] [2018-12-08 08:18:39,917 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 08:18:39,921 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:18:39,921 INFO L82 PathProgramCache]: Analyzing trace with hash -1918215546, now seen corresponding path program 1 times [2018-12-08 08:18:39,922 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:18:39,922 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:18:39,952 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:18:39,952 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:18:39,952 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:18:40,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:18:40,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:18:40,110 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 08:18:40,111 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 08:18:40,114 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 08:18:40,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 08:18:40,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 08:18:40,128 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 3 states. [2018-12-08 08:18:40,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:18:40,624 INFO L93 Difference]: Finished difference Result 571 states and 989 transitions. [2018-12-08 08:18:40,625 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 08:18:40,626 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 67 [2018-12-08 08:18:40,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:18:40,636 INFO L225 Difference]: With dead ends: 571 [2018-12-08 08:18:40,636 INFO L226 Difference]: Without dead ends: 294 [2018-12-08 08:18:40,640 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 [2018-12-08 08:18:40,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2018-12-08 08:18:40,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 294. [2018-12-08 08:18:40,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2018-12-08 08:18:40,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 446 transitions. [2018-12-08 08:18:40,686 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 446 transitions. Word has length 67 [2018-12-08 08:18:40,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:18:40,687 INFO L480 AbstractCegarLoop]: Abstraction has 294 states and 446 transitions. [2018-12-08 08:18:40,687 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 08:18:40,687 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 446 transitions. [2018-12-08 08:18:40,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-12-08 08:18:40,692 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:18:40,692 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-08 08:18:40,692 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 08:18:40,693 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:18:40,693 INFO L82 PathProgramCache]: Analyzing trace with hash 2016512505, now seen corresponding path program 1 times [2018-12-08 08:18:40,693 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:18:40,693 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:18:40,694 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:18:40,694 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:18:40,694 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:18:40,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:18:40,870 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:18:40,871 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 08:18:40,871 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 08:18:40,872 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 08:18:40,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 08:18:40,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 08:18:40,872 INFO L87 Difference]: Start difference. First operand 294 states and 446 transitions. Second operand 5 states. [2018-12-08 08:18:41,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:18:41,382 INFO L93 Difference]: Finished difference Result 735 states and 1122 transitions. [2018-12-08 08:18:41,382 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 08:18:41,382 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 186 [2018-12-08 08:18:41,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:18:41,385 INFO L225 Difference]: With dead ends: 735 [2018-12-08 08:18:41,386 INFO L226 Difference]: Without dead ends: 447 [2018-12-08 08:18:41,387 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-12-08 08:18:41,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2018-12-08 08:18:41,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 443. [2018-12-08 08:18:41,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2018-12-08 08:18:41,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 634 transitions. [2018-12-08 08:18:41,408 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 634 transitions. Word has length 186 [2018-12-08 08:18:41,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:18:41,408 INFO L480 AbstractCegarLoop]: Abstraction has 443 states and 634 transitions. [2018-12-08 08:18:41,408 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 08:18:41,408 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 634 transitions. [2018-12-08 08:18:41,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-12-08 08:18:41,411 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:18:41,412 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-08 08:18:41,412 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 08:18:41,412 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:18:41,413 INFO L82 PathProgramCache]: Analyzing trace with hash 1760446162, now seen corresponding path program 1 times [2018-12-08 08:18:41,413 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:18:41,413 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:18:41,414 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:18:41,414 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:18:41,414 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:18:41,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:18:41,562 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:18:41,563 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 08:18:41,563 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 08:18:41,563 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 08:18:41,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 08:18:41,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-08 08:18:41,564 INFO L87 Difference]: Start difference. First operand 443 states and 634 transitions. Second operand 6 states. [2018-12-08 08:18:41,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:18:41,975 INFO L93 Difference]: Finished difference Result 1045 states and 1535 transitions. [2018-12-08 08:18:41,976 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 08:18:41,976 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 193 [2018-12-08 08:18:41,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:18:41,979 INFO L225 Difference]: With dead ends: 1045 [2018-12-08 08:18:41,979 INFO L226 Difference]: Without dead ends: 608 [2018-12-08 08:18:41,980 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 [2018-12-08 08:18:41,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 608 states. [2018-12-08 08:18:41,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 608 to 592. [2018-12-08 08:18:41,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2018-12-08 08:18:42,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 804 transitions. [2018-12-08 08:18:42,000 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 804 transitions. Word has length 193 [2018-12-08 08:18:42,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:18:42,001 INFO L480 AbstractCegarLoop]: Abstraction has 592 states and 804 transitions. [2018-12-08 08:18:42,001 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 08:18:42,001 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 804 transitions. [2018-12-08 08:18:42,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2018-12-08 08:18:42,005 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:18:42,005 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-08 08:18:42,005 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 08:18:42,005 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:18:42,005 INFO L82 PathProgramCache]: Analyzing trace with hash -1807493347, now seen corresponding path program 1 times [2018-12-08 08:18:42,006 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:18:42,006 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:18:42,006 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:18:42,006 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:18:42,006 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:18:42,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:18:42,378 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 188 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:18:42,378 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 08:18:42,378 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_74e4bd68-7b75-428a-b6f9-256668dd491c/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 [2018-12-08 08:18:42,385 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:18:42,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:18:42,451 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 08:18:42,562 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 188 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:18:42,578 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 08:18:42,578 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 5] total 16 [2018-12-08 08:18:42,579 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-12-08 08:18:42,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-12-08 08:18:42,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2018-12-08 08:18:42,579 INFO L87 Difference]: Start difference. First operand 592 states and 804 transitions. Second operand 16 states. [2018-12-08 08:18:44,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:18:44,998 INFO L93 Difference]: Finished difference Result 1717 states and 2642 transitions. [2018-12-08 08:18:44,998 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-12-08 08:18:44,998 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 256 [2018-12-08 08:18:44,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:18:45,003 INFO L225 Difference]: With dead ends: 1717 [2018-12-08 08:18:45,003 INFO L226 Difference]: Without dead ends: 1274 [2018-12-08 08:18:45,005 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 319 GetRequests, 269 SyntacticMatches, 1 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 634 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=573, Invalid=1977, Unknown=0, NotChecked=0, Total=2550 [2018-12-08 08:18:45,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1274 states. [2018-12-08 08:18:45,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1274 to 1047. [2018-12-08 08:18:45,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1047 states. [2018-12-08 08:18:45,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 1047 states and 1330 transitions. [2018-12-08 08:18:45,031 INFO L78 Accepts]: Start accepts. Automaton has 1047 states and 1330 transitions. Word has length 256 [2018-12-08 08:18:45,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:18:45,032 INFO L480 AbstractCegarLoop]: Abstraction has 1047 states and 1330 transitions. [2018-12-08 08:18:45,032 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-12-08 08:18:45,032 INFO L276 IsEmpty]: Start isEmpty. Operand 1047 states and 1330 transitions. [2018-12-08 08:18:45,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-12-08 08:18:45,034 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:18:45,035 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:18:45,035 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 08:18:45,035 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:18:45,035 INFO L82 PathProgramCache]: Analyzing trace with hash 854527778, now seen corresponding path program 1 times [2018-12-08 08:18:45,035 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:18:45,035 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:18:45,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:18:45,036 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:18:45,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:18:45,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:18:45,164 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 197 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:18:45,165 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 08:18:45,165 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_74e4bd68-7b75-428a-b6f9-256668dd491c/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 [2018-12-08 08:18:45,171 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:18:45,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:18:45,213 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 08:18:45,265 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 197 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:18:45,279 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 08:18:45,280 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2018-12-08 08:18:45,280 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 08:18:45,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 08:18:45,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-12-08 08:18:45,281 INFO L87 Difference]: Start difference. First operand 1047 states and 1330 transitions. Second operand 9 states. [2018-12-08 08:18:46,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:18:46,280 INFO L93 Difference]: Finished difference Result 3217 states and 4619 transitions. [2018-12-08 08:18:46,281 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-08 08:18:46,281 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 271 [2018-12-08 08:18:46,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:18:46,288 INFO L225 Difference]: With dead ends: 3217 [2018-12-08 08:18:46,288 INFO L226 Difference]: Without dead ends: 1538 [2018-12-08 08:18:46,293 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 292 GetRequests, 277 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2018-12-08 08:18:46,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1538 states. [2018-12-08 08:18:46,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1538 to 1369. [2018-12-08 08:18:46,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1369 states. [2018-12-08 08:18:46,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1369 states to 1369 states and 1688 transitions. [2018-12-08 08:18:46,327 INFO L78 Accepts]: Start accepts. Automaton has 1369 states and 1688 transitions. Word has length 271 [2018-12-08 08:18:46,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:18:46,328 INFO L480 AbstractCegarLoop]: Abstraction has 1369 states and 1688 transitions. [2018-12-08 08:18:46,328 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 08:18:46,328 INFO L276 IsEmpty]: Start isEmpty. Operand 1369 states and 1688 transitions. [2018-12-08 08:18:46,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2018-12-08 08:18:46,331 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:18:46,331 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:18:46,331 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 08:18:46,331 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:18:46,331 INFO L82 PathProgramCache]: Analyzing trace with hash -550746410, now seen corresponding path program 1 times [2018-12-08 08:18:46,332 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:18:46,332 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:18:46,332 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:18:46,332 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:18:46,332 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:18:46,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:18:46,431 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 120 proven. 91 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 08:18:46,431 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 08:18:46,431 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_74e4bd68-7b75-428a-b6f9-256668dd491c/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 08:18:46,438 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:18:46,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:18:46,483 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 08:18:46,553 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-12-08 08:18:46,578 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 08:18:46,578 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2018-12-08 08:18:46,579 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 08:18:46,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 08:18:46,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-12-08 08:18:46,579 INFO L87 Difference]: Start difference. First operand 1369 states and 1688 transitions. Second operand 9 states. [2018-12-08 08:18:46,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:18:46,954 INFO L93 Difference]: Finished difference Result 2420 states and 2982 transitions. [2018-12-08 08:18:46,954 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 08:18:46,954 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 281 [2018-12-08 08:18:46,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:18:46,959 INFO L225 Difference]: With dead ends: 2420 [2018-12-08 08:18:46,959 INFO L226 Difference]: Without dead ends: 1359 [2018-12-08 08:18:46,962 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 283 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2018-12-08 08:18:46,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1359 states. [2018-12-08 08:18:46,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1359 to 1337. [2018-12-08 08:18:46,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1337 states. [2018-12-08 08:18:46,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1337 states to 1337 states and 1552 transitions. [2018-12-08 08:18:46,985 INFO L78 Accepts]: Start accepts. Automaton has 1337 states and 1552 transitions. Word has length 281 [2018-12-08 08:18:46,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:18:46,985 INFO L480 AbstractCegarLoop]: Abstraction has 1337 states and 1552 transitions. [2018-12-08 08:18:46,985 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 08:18:46,985 INFO L276 IsEmpty]: Start isEmpty. Operand 1337 states and 1552 transitions. [2018-12-08 08:18:46,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2018-12-08 08:18:46,987 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:18:46,988 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:18:46,988 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 08:18:46,988 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:18:46,988 INFO L82 PathProgramCache]: Analyzing trace with hash 348873925, now seen corresponding path program 1 times [2018-12-08 08:18:46,988 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:18:46,988 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:18:46,988 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:18:46,989 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:18:46,989 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:18:47,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:18:47,413 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 311 proven. 138 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:18:47,414 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 08:18:47,414 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_74e4bd68-7b75-428a-b6f9-256668dd491c/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 08:18:47,419 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:18:47,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:18:47,466 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 08:18:53,044 WARN L180 SmtUtils]: Spent 5.51 s on a formula simplification. DAG size of input: 90 DAG size of output: 47 [2018-12-08 08:18:53,200 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 386 proven. 2 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-12-08 08:18:53,215 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 08:18:53,215 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 8] total 23 [2018-12-08 08:18:53,216 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-12-08 08:18:53,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-12-08 08:18:53,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=433, Unknown=0, NotChecked=0, Total=506 [2018-12-08 08:18:53,216 INFO L87 Difference]: Start difference. First operand 1337 states and 1552 transitions. Second operand 23 states. [2018-12-08 08:18:55,196 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 33 [2018-12-08 08:19:07,470 WARN L180 SmtUtils]: Spent 5.61 s on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2018-12-08 08:19:20,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:19:20,017 INFO L93 Difference]: Finished difference Result 5393 states and 7498 transitions. [2018-12-08 08:19:20,018 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2018-12-08 08:19:20,018 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 378 [2018-12-08 08:19:20,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:19:20,035 INFO L225 Difference]: With dead ends: 5393 [2018-12-08 08:19:20,035 INFO L226 Difference]: Without dead ends: 4050 [2018-12-08 08:19:20,042 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 518 GetRequests, 390 SyntacticMatches, 3 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5984 ImplicationChecksByTransitivity, 14.3s TimeCoverageRelationStatistics Valid=2697, Invalid=13305, Unknown=0, NotChecked=0, Total=16002 [2018-12-08 08:19:20,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4050 states. [2018-12-08 08:19:20,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4050 to 3542. [2018-12-08 08:19:20,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3542 states. [2018-12-08 08:19:20,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3542 states to 3542 states and 4283 transitions. [2018-12-08 08:19:20,124 INFO L78 Accepts]: Start accepts. Automaton has 3542 states and 4283 transitions. Word has length 378 [2018-12-08 08:19:20,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:19:20,124 INFO L480 AbstractCegarLoop]: Abstraction has 3542 states and 4283 transitions. [2018-12-08 08:19:20,124 INFO L481 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-12-08 08:19:20,124 INFO L276 IsEmpty]: Start isEmpty. Operand 3542 states and 4283 transitions. [2018-12-08 08:19:20,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2018-12-08 08:19:20,128 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:19:20,128 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:19:20,129 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 08:19:20,129 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:19:20,129 INFO L82 PathProgramCache]: Analyzing trace with hash -1039577823, now seen corresponding path program 1 times [2018-12-08 08:19:20,129 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:19:20,129 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:19:20,129 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:19:20,130 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:19:20,130 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:19:20,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:19:20,269 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2018-12-08 08:19:20,269 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 08:19:20,269 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 08:19:20,270 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 08:19:20,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 08:19:20,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-08 08:19:20,270 INFO L87 Difference]: Start difference. First operand 3542 states and 4283 transitions. Second operand 4 states. [2018-12-08 08:19:20,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:19:20,696 INFO L93 Difference]: Finished difference Result 6641 states and 8081 transitions. [2018-12-08 08:19:20,697 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 08:19:20,697 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 392 [2018-12-08 08:19:20,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:19:20,697 INFO L225 Difference]: With dead ends: 6641 [2018-12-08 08:19:20,697 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 08:19:20,702 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-08 08:19:20,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 08:19:20,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 08:19:20,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 08:19:20,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 08:19:20,702 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 392 [2018-12-08 08:19:20,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:19:20,702 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 08:19:20,702 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 08:19:20,702 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 08:19:20,702 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 08:19:20,705 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 08:19:20,860 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 08:19:20,861 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 08:19:20,862 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 08:19:20,862 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 08:19:20,863 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 08:19:20,863 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 08:19:20,896 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 214 [2018-12-08 08:19:20,988 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 08:19:20,989 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 08:19:20,989 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 08:19:20,990 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 08:19:20,991 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 08:19:20,991 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 08:19:21,022 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 214 [2018-12-08 08:19:21,459 WARN L180 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 53 [2018-12-08 08:19:21,774 WARN L180 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 52 [2018-12-08 08:19:22,106 WARN L180 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 52 [2018-12-08 08:19:22,108 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 08:19:22,108 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a19~0 |old(~a19~0)|) (= |old(~a10~0)| ~a10~0) (= ~a1~0 |old(~a1~0)|)) [2018-12-08 08:19:22,108 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 08:19:22,108 INFO L448 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-12-08 08:19:22,108 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 08:19:22,108 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 08:19:22,108 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 08:19:22,108 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 08:19:22,108 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 08:19:22,108 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 08:19:22,108 INFO L448 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-12-08 08:19:22,108 INFO L448 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-12-08 08:19:22,109 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-12-08 08:19:22,109 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-12-08 08:19:22,109 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-12-08 08:19:22,109 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-12-08 08:19:22,109 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-12-08 08:19:22,109 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-12-08 08:19:22,109 INFO L448 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-12-08 08:19:22,109 INFO L448 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-12-08 08:19:22,109 INFO L448 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-12-08 08:19:22,109 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 08:19:22,109 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 08:19:22,109 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 08:19:22,109 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 08:19:22,109 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 08:19:22,109 INFO L448 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-12-08 08:19:22,109 INFO L448 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-12-08 08:19:22,109 INFO L448 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-12-08 08:19:22,109 INFO L448 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-12-08 08:19:22,109 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-12-08 08:19:22,109 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-08 08:19:22,109 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-12-08 08:19:22,109 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-12-08 08:19:22,110 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-12-08 08:19:22,110 INFO L448 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-12-08 08:19:22,110 INFO L448 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-12-08 08:19:22,110 INFO L448 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-12-08 08:19:22,110 INFO L448 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-12-08 08:19:22,110 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-12-08 08:19:22,110 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 08:19:22,110 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 08:19:22,110 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 08:19:22,110 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 08:19:22,110 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 08:19:22,110 INFO L448 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-12-08 08:19:22,110 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-12-08 08:19:22,110 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-12-08 08:19:22,110 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-12-08 08:19:22,110 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-12-08 08:19:22,110 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-12-08 08:19:22,110 INFO L448 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-12-08 08:19:22,110 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-12-08 08:19:22,110 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-12-08 08:19:22,110 INFO L448 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-12-08 08:19:22,110 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 08:19:22,110 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 08:19:22,111 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 08:19:22,111 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 08:19:22,111 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 08:19:22,111 INFO L448 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-12-08 08:19:22,111 INFO L448 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-12-08 08:19:22,111 INFO L448 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-12-08 08:19:22,111 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-12-08 08:19:22,111 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-12-08 08:19:22,111 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-12-08 08:19:22,111 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-12-08 08:19:22,111 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-12-08 08:19:22,111 INFO L448 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-12-08 08:19:22,111 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-12-08 08:19:22,111 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 187) no Hoare annotation was computed. [2018-12-08 08:19:22,111 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-12-08 08:19:22,111 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-12-08 08:19:22,111 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-12-08 08:19:22,111 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 08:19:22,111 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 08:19:22,111 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 08:19:22,111 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 08:19:22,111 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 08:19:22,112 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-12-08 08:19:22,112 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-12-08 08:19:22,112 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-12-08 08:19:22,112 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-12-08 08:19:22,112 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-12-08 08:19:22,112 INFO L448 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-12-08 08:19:22,112 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-12-08 08:19:22,112 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-12-08 08:19:22,112 INFO L448 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-12-08 08:19:22,112 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 08:19:22,112 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 08:19:22,112 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 08:19:22,112 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 08:19:22,112 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 08:19:22,112 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2018-12-08 08:19:22,112 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2018-12-08 08:19:22,112 INFO L448 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-12-08 08:19:22,112 INFO L448 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-12-08 08:19:22,112 INFO L448 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-12-08 08:19:22,112 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-12-08 08:19:22,112 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-12-08 08:19:22,112 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-12-08 08:19:22,112 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-12-08 08:19:22,113 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-12-08 08:19:22,113 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-12-08 08:19:22,113 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-12-08 08:19:22,113 INFO L448 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-12-08 08:19:22,113 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-12-08 08:19:22,113 INFO L448 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-12-08 08:19:22,113 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 08:19:22,113 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 08:19:22,113 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 08:19:22,113 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 08:19:22,113 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-12-08 08:19:22,113 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 08:19:22,113 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2018-12-08 08:19:22,113 INFO L448 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-12-08 08:19:22,113 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-12-08 08:19:22,113 INFO L448 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-12-08 08:19:22,113 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-12-08 08:19:22,113 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-08 08:19:22,113 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-12-08 08:19:22,113 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-12-08 08:19:22,113 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-12-08 08:19:22,113 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-12-08 08:19:22,113 INFO L448 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-12-08 08:19:22,113 INFO L448 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-12-08 08:19:22,113 INFO L448 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-12-08 08:19:22,114 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-12-08 08:19:22,114 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 08:19:22,114 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 08:19:22,114 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 08:19:22,114 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 08:19:22,114 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 08:19:22,114 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 08:19:22,114 INFO L448 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-12-08 08:19:22,114 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-12-08 08:19:22,114 INFO L448 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-12-08 08:19:22,114 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-12-08 08:19:22,114 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-12-08 08:19:22,114 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-12-08 08:19:22,114 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-12-08 08:19:22,114 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-12-08 08:19:22,114 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-12-08 08:19:22,114 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-12-08 08:19:22,114 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-12-08 08:19:22,114 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse11 (= ~a1~0 |old(~a1~0)|)) (.cse9 (= ~a19~0 |old(~a19~0)|)) (.cse10 (= |old(~a10~0)| ~a10~0))) (let ((.cse3 (< 2 |old(~a10~0)|)) (.cse5 (and .cse11 .cse9 .cse10)) (.cse7 (not (= 9 |old(~a19~0)|))) (.cse4 (= 1 |old(~a10~0)|)) (.cse6 (not (= 4 |old(~a10~0)|))) (.cse8 (< 8 |old(~a19~0)|)) (.cse1 (not (= 14 ~a4~0))) (.cse2 (not (= 0 ~a12~0))) (.cse0 (and .cse9 .cse10 .cse11))) (and (or .cse0 (or .cse1 .cse2 .cse3 .cse4)) (or .cse1 .cse2 (= 6 |old(~a19~0)|) .cse3 .cse0) (or .cse5 .cse6 .cse1 .cse2 .cse7) (or (not (= 8 |old(~a19~0)|)) .cse1 .cse2 .cse0) (or .cse5 .cse1 .cse2 .cse7 (not (= 3 |old(~a10~0)|))) (or .cse0 .cse8 .cse1 .cse2 (<= (+ |old(~a1~0)| 13) 0) .cse4) (or .cse6 .cse8 .cse1 .cse2 .cse0)))) [2018-12-08 08:19:22,114 INFO L448 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-12-08 08:19:22,114 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-12-08 08:19:22,115 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-12-08 08:19:22,115 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 08:19:22,115 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 08:19:22,115 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 08:19:22,115 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 08:19:22,115 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 08:19:22,115 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 08:19:22,115 INFO L448 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-12-08 08:19:22,115 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-12-08 08:19:22,115 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-12-08 08:19:22,115 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-12-08 08:19:22,115 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-12-08 08:19:22,115 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-12-08 08:19:22,115 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-12-08 08:19:22,115 INFO L448 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-12-08 08:19:22,115 INFO L448 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-12-08 08:19:22,115 INFO L448 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-12-08 08:19:22,115 INFO L448 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-12-08 08:19:22,115 INFO L448 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-12-08 08:19:22,115 INFO L448 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-12-08 08:19:22,115 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 08:19:22,115 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 08:19:22,115 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 08:19:22,115 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 08:19:22,115 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 08:19:22,115 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 08:19:22,116 INFO L448 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-12-08 08:19:22,116 INFO L448 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-12-08 08:19:22,116 INFO L448 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-12-08 08:19:22,116 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-12-08 08:19:22,116 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-12-08 08:19:22,116 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-08 08:19:22,116 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-12-08 08:19:22,116 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-12-08 08:19:22,116 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-12-08 08:19:22,116 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-12-08 08:19:22,116 INFO L448 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-12-08 08:19:22,116 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-12-08 08:19:22,116 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 08:19:22,116 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 08:19:22,116 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 08:19:22,116 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 08:19:22,116 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 08:19:22,116 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 08:19:22,116 INFO L448 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-12-08 08:19:22,116 INFO L448 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-12-08 08:19:22,116 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-12-08 08:19:22,116 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-12-08 08:19:22,116 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-12-08 08:19:22,116 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-12-08 08:19:22,116 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-12-08 08:19:22,117 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-12-08 08:19:22,117 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-12-08 08:19:22,117 INFO L448 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-12-08 08:19:22,117 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-12-08 08:19:22,117 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-12-08 08:19:22,117 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 08:19:22,117 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= 23 ~a1~0) (<= ~a1~0 23) (<= ~a10~0 2) (= ~a12~0 0) (not (= ~a10~0 1)) (= ~a4~0 14) (= 9 ~a19~0)) [2018-12-08 08:19:22,117 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 08:19:22,117 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 08:19:22,117 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (< |old(~a1~0)| 23) (not (= 14 ~a4~0)) (not (= 0 ~a12~0)) (not (= 9 |old(~a19~0)|)) (< 2 |old(~a10~0)|) (and (<= ~a1~0 23) (<= |old(~a1~0)| ~a1~0) (= ~a19~0 |old(~a19~0)|) (= |old(~a10~0)| ~a10~0)) (= 1 |old(~a10~0)|) (< 23 |old(~a1~0)|)) [2018-12-08 08:19:22,117 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2018-12-08 08:19:22,117 INFO L444 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (let ((.cse1 (<= ~a10~0 2)) (.cse0 (not (= ~a10~0 1)))) (or (< |old(~a1~0)| 23) (and (and (<= ~a19~0 8) .cse0) (< 0 (+ ~a1~0 13))) (= 8 ~a19~0) (not (= 0 ~a12~0)) (and (not (= ~a19~0 6)) .cse1) (< 23 |old(~a1~0)|) (and .cse1 .cse0) (not (= 9 |old(~a19~0)|)) (= 1 |old(~a10~0)|) (and (= 3 ~a10~0) (= 9 ~a19~0)) (not (= 14 ~a4~0)) (and (= 4 ~a10~0) (<= ~a19~0 9)) (< 2 |old(~a10~0)|))) [2018-12-08 08:19:22,117 INFO L448 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2018-12-08 08:19:22,117 INFO L448 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-12-08 08:19:22,117 INFO L444 ceAbstractionStarter]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse1 (<= ~a10~0 2)) (.cse0 (not (= ~a10~0 1)))) (or (< |old(~a1~0)| 23) (and (and (<= ~a19~0 8) .cse0) (< 0 (+ ~a1~0 13))) (= 8 ~a19~0) (not (= 0 ~a12~0)) (and (not (= ~a19~0 6)) .cse1) (< 23 |old(~a1~0)|) (and .cse1 .cse0) (not (= 9 |old(~a19~0)|)) (= 1 |old(~a10~0)|) (and (= 3 ~a10~0) (= 9 ~a19~0)) (not (= 14 ~a4~0)) (and (= 4 ~a10~0) (<= ~a19~0 9)) (< 2 |old(~a10~0)|))) [2018-12-08 08:19:22,117 INFO L448 ceAbstractionStarter]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2018-12-08 08:19:22,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 08:19:22 BoogieIcfgContainer [2018-12-08 08:19:22,126 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 08:19:22,127 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 08:19:22,127 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 08:19:22,127 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 08:19:22,127 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:18:39" (3/4) ... [2018-12-08 08:19:22,129 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 08:19:22,134 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 08:19:22,134 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-08 08:19:22,134 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 08:19:22,140 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-08 08:19:22,140 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-08 08:19:22,157 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((\old(a1) < 23 || ((a19 <= 8 && !(a10 == 1)) && 0 < a1 + 13)) || 8 == a19) || !(0 == a12)) || (!(a19 == 6) && a10 <= 2)) || 23 < \old(a1)) || (a10 <= 2 && !(a10 == 1))) || !(9 == \old(a19))) || 1 == \old(a10)) || (3 == a10 && 9 == a19)) || !(14 == a4)) || (4 == a10 && a19 <= 9)) || 2 < \old(a10) [2018-12-08 08:19:22,215 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_74e4bd68-7b75-428a-b6f9-256668dd491c/bin-2019/uautomizer/witness.graphml [2018-12-08 08:19:22,215 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 08:19:22,215 INFO L168 Benchmark]: Toolchain (without parser) took 43420.09 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 541.6 MB). Free memory was 949.6 MB in the beginning and 1.5 GB in the end (delta: -537.1 MB). Peak memory consumption was 4.5 MB. Max. memory is 11.5 GB. [2018-12-08 08:19:22,216 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 08:19:22,216 INFO L168 Benchmark]: CACSL2BoogieTranslator took 322.37 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.3 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -124.1 MB). Peak memory consumption was 37.9 MB. Max. memory is 11.5 GB. [2018-12-08 08:19:22,216 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.94 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. [2018-12-08 08:19:22,216 INFO L168 Benchmark]: Boogie Preprocessor took 38.65 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. [2018-12-08 08:19:22,216 INFO L168 Benchmark]: RCFGBuilder took 663.40 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 954.7 MB in the end (delta: 104.4 MB). Peak memory consumption was 104.4 MB. Max. memory is 11.5 GB. [2018-12-08 08:19:22,216 INFO L168 Benchmark]: TraceAbstraction took 42285.27 ms. Allocated memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: 449.3 MB). Free memory was 954.7 MB in the beginning and 1.5 GB in the end (delta: -563.9 MB). Peak memory consumption was 682.5 MB. Max. memory is 11.5 GB. [2018-12-08 08:19:22,217 INFO L168 Benchmark]: Witness Printer took 88.25 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 32.0 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. [2018-12-08 08:19:22,218 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 322.37 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.3 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -124.1 MB). Peak memory consumption was 37.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.94 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.65 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 663.40 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 954.7 MB in the end (delta: 104.4 MB). Peak memory consumption was 104.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 42285.27 ms. Allocated memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: 449.3 MB). Free memory was 954.7 MB in the beginning and 1.5 GB in the end (delta: -563.9 MB). Peak memory consumption was 682.5 MB. Max. memory is 11.5 GB. * Witness Printer took 88.25 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 32.0 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 187]: 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: 582]: Loop Invariant Derived loop invariant: (((((((((((\old(a1) < 23 || ((a19 <= 8 && !(a10 == 1)) && 0 < a1 + 13)) || 8 == a19) || !(0 == a12)) || (!(a19 == 6) && a10 <= 2)) || 23 < \old(a1)) || (a10 <= 2 && !(a10 == 1))) || !(9 == \old(a19))) || 1 == \old(a10)) || (3 == a10 && 9 == a19)) || !(14 == a4)) || (4 == a10 && a19 <= 9)) || 2 < \old(a10) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. SAFE Result, 42.2s OverallTime, 8 OverallIterations, 4 TraceHistogramMax, 32.5s AutomataDifference, 0.0s DeadEndRemovalTime, 1.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 294 SDtfs, 11303 SDslu, 850 SDs, 0 SdLazy, 16449 SolverSat, 4313 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 20.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1453 GetRequests, 1229 SyntacticMatches, 9 SemanticMatches, 215 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6676 ImplicationChecksByTransitivity, 15.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3542occurred 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, 946 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 104 PreInvPairs, 192 NumberOfFragments, 415 HoareAnnotationTreeSize, 104 FomulaSimplifications, 35380 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 16581 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 6.9s InterpolantComputationTime, 3210 NumberOfCodeBlocks, 3210 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 3198 ConstructedInterpolants, 6 QuantifiedInterpolants, 3840678 SizeOfPredicates, 2 NumberOfNonLiveVariables, 1920 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 12 InterpolantComputations, 5 PerfectInterpolantSequences, 2452/2691 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...