./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label18_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_83f734ef-852c-4d30-b900-3c2c97d06e13/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_83f734ef-852c-4d30-b900-3c2c97d06e13/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_83f734ef-852c-4d30-b900-3c2c97d06e13/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_83f734ef-852c-4d30-b900-3c2c97d06e13/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label18_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_83f734ef-852c-4d30-b900-3c2c97d06e13/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_83f734ef-852c-4d30-b900-3c2c97d06e13/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 0b1eb39f0e741b958206d9dc54aeed5270272676 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 10:33:52,483 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 10:33:52,484 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 10:33:52,493 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 10:33:52,493 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 10:33:52,494 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 10:33:52,495 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 10:33:52,496 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 10:33:52,497 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 10:33:52,498 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 10:33:52,498 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 10:33:52,498 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 10:33:52,499 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 10:33:52,500 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 10:33:52,500 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 10:33:52,501 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 10:33:52,502 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 10:33:52,503 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 10:33:52,504 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 10:33:52,505 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 10:33:52,506 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 10:33:52,507 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 10:33:52,509 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 10:33:52,509 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 10:33:52,509 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 10:33:52,510 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 10:33:52,510 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 10:33:52,511 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 10:33:52,512 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 10:33:52,512 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 10:33:52,513 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 10:33:52,513 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 10:33:52,513 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 10:33:52,513 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 10:33:52,514 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 10:33:52,515 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 10:33:52,515 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_83f734ef-852c-4d30-b900-3c2c97d06e13/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 10:33:52,525 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 10:33:52,525 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 10:33:52,526 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 10:33:52,526 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 10:33:52,526 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 10:33:52,527 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 10:33:52,527 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 10:33:52,527 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 10:33:52,527 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 10:33:52,527 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 10:33:52,527 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 10:33:52,527 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 10:33:52,527 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 10:33:52,527 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 10:33:52,527 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 10:33:52,528 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 10:33:52,528 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 10:33:52,528 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 10:33:52,528 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 10:33:52,528 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 10:33:52,528 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 10:33:52,528 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 10:33:52,529 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 10:33:52,529 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 10:33:52,529 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 10:33:52,529 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 10:33:52,529 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 10:33:52,529 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 10:33:52,529 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 10:33:52,529 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 10:33:52,529 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_83f734ef-852c-4d30-b900-3c2c97d06e13/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 -> 0b1eb39f0e741b958206d9dc54aeed5270272676 [2018-11-28 10:33:52,552 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 10:33:52,560 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 10:33:52,562 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 10:33:52,563 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 10:33:52,563 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 10:33:52,564 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_83f734ef-852c-4d30-b900-3c2c97d06e13/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem02_label18_true-unreach-call_false-termination.c [2018-11-28 10:33:52,600 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_83f734ef-852c-4d30-b900-3c2c97d06e13/bin-2019/uautomizer/data/982d4f78d/01097ac7f24249ed90313bde4625381c/FLAGb3770b04c [2018-11-28 10:33:52,981 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 10:33:52,981 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_83f734ef-852c-4d30-b900-3c2c97d06e13/sv-benchmarks/c/eca-rers2012/Problem02_label18_true-unreach-call_false-termination.c [2018-11-28 10:33:52,991 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_83f734ef-852c-4d30-b900-3c2c97d06e13/bin-2019/uautomizer/data/982d4f78d/01097ac7f24249ed90313bde4625381c/FLAGb3770b04c [2018-11-28 10:33:53,358 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_83f734ef-852c-4d30-b900-3c2c97d06e13/bin-2019/uautomizer/data/982d4f78d/01097ac7f24249ed90313bde4625381c [2018-11-28 10:33:53,359 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 10:33:53,360 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 10:33:53,361 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 10:33:53,361 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 10:33:53,364 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 10:33:53,365 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:33:53" (1/1) ... [2018-11-28 10:33:53,367 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54fdfecb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:33:53, skipping insertion in model container [2018-11-28 10:33:53,367 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:33:53" (1/1) ... [2018-11-28 10:33:53,371 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 10:33:53,402 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 10:33:53,657 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 10:33:53,661 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 10:33:53,728 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 10:33:53,813 INFO L195 MainTranslator]: Completed translation [2018-11-28 10:33:53,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:33:53 WrapperNode [2018-11-28 10:33:53,813 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 10:33:53,814 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 10:33:53,814 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 10:33:53,814 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 10:33:53,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:33:53" (1/1) ... [2018-11-28 10:33:53,836 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:33:53" (1/1) ... [2018-11-28 10:33:53,843 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 10:33:53,843 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 10:33:53,844 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 10:33:53,844 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 10:33:53,853 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:33:53" (1/1) ... [2018-11-28 10:33:53,853 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:33:53" (1/1) ... [2018-11-28 10:33:53,856 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:33:53" (1/1) ... [2018-11-28 10:33:53,857 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:33:53" (1/1) ... [2018-11-28 10:33:53,881 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:33:53" (1/1) ... [2018-11-28 10:33:53,891 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:33:53" (1/1) ... [2018-11-28 10:33:53,895 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:33:53" (1/1) ... [2018-11-28 10:33:53,901 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 10:33:53,901 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 10:33:53,901 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 10:33:53,902 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 10:33:53,902 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:33:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_83f734ef-852c-4d30-b900-3c2c97d06e13/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 10:33:53,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 10:33:53,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 10:33:53,953 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-28 10:33:53,953 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-28 10:33:53,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 10:33:53,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 10:33:53,953 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 10:33:53,953 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 10:33:54,835 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 10:33:54,835 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-28 10:33:54,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:33:54 BoogieIcfgContainer [2018-11-28 10:33:54,836 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 10:33:54,836 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 10:33:54,837 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 10:33:54,840 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 10:33:54,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 10:33:53" (1/3) ... [2018-11-28 10:33:54,840 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@627ec23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 10:33:54, skipping insertion in model container [2018-11-28 10:33:54,841 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:33:53" (2/3) ... [2018-11-28 10:33:54,841 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@627ec23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 10:33:54, skipping insertion in model container [2018-11-28 10:33:54,841 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:33:54" (3/3) ... [2018-11-28 10:33:54,842 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label18_true-unreach-call_false-termination.c [2018-11-28 10:33:54,849 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 10:33:54,856 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 10:33:54,868 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 10:33:54,894 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 10:33:54,894 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 10:33:54,895 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 10:33:54,895 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 10:33:54,895 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 10:33:54,895 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 10:33:54,895 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 10:33:54,895 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 10:33:54,895 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 10:33:54,915 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2018-11-28 10:33:54,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-28 10:33:54,925 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 10:33:54,926 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 10:33:54,928 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 10:33:54,932 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:33:54,933 INFO L82 PathProgramCache]: Analyzing trace with hash -427743519, now seen corresponding path program 1 times [2018-11-28 10:33:54,934 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:33:54,934 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:33:54,966 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:54,966 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:33:54,966 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:55,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:33:55,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 10:33:55,241 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 10:33:55,242 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 10:33:55,246 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 10:33:55,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 10:33:55,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 10:33:55,256 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2018-11-28 10:33:55,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:33:55,806 INFO L93 Difference]: Finished difference Result 618 states and 1056 transitions. [2018-11-28 10:33:55,807 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 10:33:55,808 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 133 [2018-11-28 10:33:55,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 10:33:55,817 INFO L225 Difference]: With dead ends: 618 [2018-11-28 10:33:55,817 INFO L226 Difference]: Without dead ends: 320 [2018-11-28 10:33:55,821 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 10:33:55,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2018-11-28 10:33:55,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 320. [2018-11-28 10:33:55,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2018-11-28 10:33:55,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 465 transitions. [2018-11-28 10:33:55,875 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 465 transitions. Word has length 133 [2018-11-28 10:33:55,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 10:33:55,876 INFO L480 AbstractCegarLoop]: Abstraction has 320 states and 465 transitions. [2018-11-28 10:33:55,876 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 10:33:55,877 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 465 transitions. [2018-11-28 10:33:55,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-28 10:33:55,880 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 10:33:55,881 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 10:33:55,881 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 10:33:55,881 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:33:55,882 INFO L82 PathProgramCache]: Analyzing trace with hash -309931354, now seen corresponding path program 1 times [2018-11-28 10:33:55,882 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:33:55,882 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:33:55,889 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:55,889 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:33:55,889 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:55,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:33:56,158 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 10:33:56,158 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 10:33:56,158 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 10:33:56,160 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 10:33:56,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 10:33:56,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 10:33:56,160 INFO L87 Difference]: Start difference. First operand 320 states and 465 transitions. Second operand 5 states. [2018-11-28 10:33:56,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:33:56,549 INFO L93 Difference]: Finished difference Result 721 states and 1089 transitions. [2018-11-28 10:33:56,550 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 10:33:56,550 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 141 [2018-11-28 10:33:56,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 10:33:56,552 INFO L225 Difference]: With dead ends: 721 [2018-11-28 10:33:56,552 INFO L226 Difference]: Without dead ends: 320 [2018-11-28 10:33:56,553 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 10:33:56,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2018-11-28 10:33:56,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 320. [2018-11-28 10:33:56,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2018-11-28 10:33:56,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 461 transitions. [2018-11-28 10:33:56,566 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 461 transitions. Word has length 141 [2018-11-28 10:33:56,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 10:33:56,566 INFO L480 AbstractCegarLoop]: Abstraction has 320 states and 461 transitions. [2018-11-28 10:33:56,566 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 10:33:56,566 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 461 transitions. [2018-11-28 10:33:56,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-28 10:33:56,568 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 10:33:56,568 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 10:33:56,568 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 10:33:56,568 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:33:56,568 INFO L82 PathProgramCache]: Analyzing trace with hash 325171058, now seen corresponding path program 1 times [2018-11-28 10:33:56,568 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:33:56,568 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:33:56,569 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:56,569 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:33:56,569 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:56,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:33:56,743 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 10:33:56,743 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 10:33:56,743 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 10:33:56,744 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 10:33:56,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 10:33:56,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 10:33:56,745 INFO L87 Difference]: Start difference. First operand 320 states and 461 transitions. Second operand 5 states. [2018-11-28 10:33:57,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:33:57,090 INFO L93 Difference]: Finished difference Result 717 states and 1075 transitions. [2018-11-28 10:33:57,091 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 10:33:57,091 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 147 [2018-11-28 10:33:57,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 10:33:57,092 INFO L225 Difference]: With dead ends: 717 [2018-11-28 10:33:57,093 INFO L226 Difference]: Without dead ends: 320 [2018-11-28 10:33:57,093 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 10:33:57,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2018-11-28 10:33:57,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 320. [2018-11-28 10:33:57,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2018-11-28 10:33:57,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 455 transitions. [2018-11-28 10:33:57,103 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 455 transitions. Word has length 147 [2018-11-28 10:33:57,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 10:33:57,104 INFO L480 AbstractCegarLoop]: Abstraction has 320 states and 455 transitions. [2018-11-28 10:33:57,104 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 10:33:57,104 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 455 transitions. [2018-11-28 10:33:57,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-28 10:33:57,105 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 10:33:57,105 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 10:33:57,106 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 10:33:57,106 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:33:57,106 INFO L82 PathProgramCache]: Analyzing trace with hash -1977398583, now seen corresponding path program 1 times [2018-11-28 10:33:57,106 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:33:57,106 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:33:57,107 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:57,107 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:33:57,107 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:57,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:33:57,213 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 10:33:57,213 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 10:33:57,213 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 10:33:57,213 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 10:33:57,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 10:33:57,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-28 10:33:57,214 INFO L87 Difference]: Start difference. First operand 320 states and 455 transitions. Second operand 6 states. [2018-11-28 10:33:57,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:33:57,664 INFO L93 Difference]: Finished difference Result 951 states and 1383 transitions. [2018-11-28 10:33:57,665 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 10:33:57,665 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 155 [2018-11-28 10:33:57,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 10:33:57,668 INFO L225 Difference]: With dead ends: 951 [2018-11-28 10:33:57,668 INFO L226 Difference]: Without dead ends: 637 [2018-11-28 10:33:57,670 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-28 10:33:57,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2018-11-28 10:33:57,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 626. [2018-11-28 10:33:57,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 626 states. [2018-11-28 10:33:57,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 871 transitions. [2018-11-28 10:33:57,690 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 871 transitions. Word has length 155 [2018-11-28 10:33:57,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 10:33:57,690 INFO L480 AbstractCegarLoop]: Abstraction has 626 states and 871 transitions. [2018-11-28 10:33:57,690 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 10:33:57,690 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 871 transitions. [2018-11-28 10:33:57,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-28 10:33:57,692 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 10:33:57,693 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 10:33:57,693 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 10:33:57,693 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:33:57,693 INFO L82 PathProgramCache]: Analyzing trace with hash -282643699, now seen corresponding path program 1 times [2018-11-28 10:33:57,693 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:33:57,693 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:33:57,694 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:57,694 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:33:57,694 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:57,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:33:57,865 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 10:33:57,865 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 10:33:57,865 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 10:33:57,866 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 10:33:57,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 10:33:57,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 10:33:57,866 INFO L87 Difference]: Start difference. First operand 626 states and 871 transitions. Second operand 5 states. [2018-11-28 10:33:58,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:33:58,302 INFO L93 Difference]: Finished difference Result 1330 states and 1903 transitions. [2018-11-28 10:33:58,304 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 10:33:58,304 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 157 [2018-11-28 10:33:58,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 10:33:58,307 INFO L225 Difference]: With dead ends: 1330 [2018-11-28 10:33:58,307 INFO L226 Difference]: Without dead ends: 626 [2018-11-28 10:33:58,308 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 10:33:58,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 626 states. [2018-11-28 10:33:58,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 626 to 626. [2018-11-28 10:33:58,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 626 states. [2018-11-28 10:33:58,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 859 transitions. [2018-11-28 10:33:58,326 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 859 transitions. Word has length 157 [2018-11-28 10:33:58,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 10:33:58,326 INFO L480 AbstractCegarLoop]: Abstraction has 626 states and 859 transitions. [2018-11-28 10:33:58,326 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 10:33:58,327 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 859 transitions. [2018-11-28 10:33:58,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-28 10:33:58,329 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 10:33:58,330 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 10:33:58,330 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 10:33:58,330 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:33:58,330 INFO L82 PathProgramCache]: Analyzing trace with hash -440018095, now seen corresponding path program 1 times [2018-11-28 10:33:58,330 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:33:58,330 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:33:58,331 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:58,331 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:33:58,331 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:58,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:33:58,475 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 10:33:58,475 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 10:33:58,476 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 10:33:58,476 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 10:33:58,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 10:33:58,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 10:33:58,476 INFO L87 Difference]: Start difference. First operand 626 states and 859 transitions. Second operand 5 states. [2018-11-28 10:33:58,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:33:58,869 INFO L93 Difference]: Finished difference Result 1332 states and 1878 transitions. [2018-11-28 10:33:58,870 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 10:33:58,870 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 159 [2018-11-28 10:33:58,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 10:33:58,873 INFO L225 Difference]: With dead ends: 1332 [2018-11-28 10:33:58,873 INFO L226 Difference]: Without dead ends: 626 [2018-11-28 10:33:58,875 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 10:33:58,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 626 states. [2018-11-28 10:33:58,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 626 to 626. [2018-11-28 10:33:58,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 626 states. [2018-11-28 10:33:58,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 843 transitions. [2018-11-28 10:33:58,890 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 843 transitions. Word has length 159 [2018-11-28 10:33:58,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 10:33:58,890 INFO L480 AbstractCegarLoop]: Abstraction has 626 states and 843 transitions. [2018-11-28 10:33:58,890 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 10:33:58,891 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 843 transitions. [2018-11-28 10:33:58,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-11-28 10:33:58,893 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 10:33:58,893 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 10:33:58,893 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 10:33:58,893 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:33:58,893 INFO L82 PathProgramCache]: Analyzing trace with hash -988582951, now seen corresponding path program 1 times [2018-11-28 10:33:58,893 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:33:58,894 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:33:58,894 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:58,894 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:33:58,895 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:58,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:33:58,960 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 10:33:58,960 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 10:33:58,960 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 10:33:58,961 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 10:33:58,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 10:33:58,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-28 10:33:58,961 INFO L87 Difference]: Start difference. First operand 626 states and 843 transitions. Second operand 6 states. [2018-11-28 10:33:59,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:33:59,424 INFO L93 Difference]: Finished difference Result 1858 states and 2601 transitions. [2018-11-28 10:33:59,426 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 10:33:59,426 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 163 [2018-11-28 10:33:59,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 10:33:59,431 INFO L225 Difference]: With dead ends: 1858 [2018-11-28 10:33:59,431 INFO L226 Difference]: Without dead ends: 1238 [2018-11-28 10:33:59,432 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-28 10:33:59,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1238 states. [2018-11-28 10:33:59,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1238 to 1218. [2018-11-28 10:33:59,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1218 states. [2018-11-28 10:33:59,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1218 states to 1218 states and 1637 transitions. [2018-11-28 10:33:59,456 INFO L78 Accepts]: Start accepts. Automaton has 1218 states and 1637 transitions. Word has length 163 [2018-11-28 10:33:59,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 10:33:59,456 INFO L480 AbstractCegarLoop]: Abstraction has 1218 states and 1637 transitions. [2018-11-28 10:33:59,456 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 10:33:59,456 INFO L276 IsEmpty]: Start isEmpty. Operand 1218 states and 1637 transitions. [2018-11-28 10:33:59,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-28 10:33:59,459 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 10:33:59,459 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 10:33:59,459 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 10:33:59,459 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:33:59,459 INFO L82 PathProgramCache]: Analyzing trace with hash -1094001216, now seen corresponding path program 1 times [2018-11-28 10:33:59,459 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:33:59,459 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:33:59,460 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:59,460 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:33:59,460 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:59,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:33:59,650 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 19 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 10:33:59,650 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 10:33:59,650 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_83f734ef-852c-4d30-b900-3c2c97d06e13/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 10:33:59,660 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:33:59,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:33:59,717 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 10:33:59,788 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-28 10:33:59,805 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 10:33:59,805 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 11 [2018-11-28 10:33:59,806 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-28 10:33:59,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-28 10:33:59,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-11-28 10:33:59,807 INFO L87 Difference]: Start difference. First operand 1218 states and 1637 transitions. Second operand 11 states. [2018-11-28 10:34:01,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:34:01,399 INFO L93 Difference]: Finished difference Result 3662 states and 5134 transitions. [2018-11-28 10:34:01,400 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-11-28 10:34:01,400 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 168 [2018-11-28 10:34:01,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 10:34:01,407 INFO L225 Difference]: With dead ends: 3662 [2018-11-28 10:34:01,407 INFO L226 Difference]: Without dead ends: 2450 [2018-11-28 10:34:01,410 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 182 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=216, Invalid=540, Unknown=0, NotChecked=0, Total=756 [2018-11-28 10:34:01,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2450 states. [2018-11-28 10:34:01,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2450 to 2410. [2018-11-28 10:34:01,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2410 states. [2018-11-28 10:34:01,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2410 states to 2410 states and 3127 transitions. [2018-11-28 10:34:01,452 INFO L78 Accepts]: Start accepts. Automaton has 2410 states and 3127 transitions. Word has length 168 [2018-11-28 10:34:01,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 10:34:01,453 INFO L480 AbstractCegarLoop]: Abstraction has 2410 states and 3127 transitions. [2018-11-28 10:34:01,453 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-28 10:34:01,453 INFO L276 IsEmpty]: Start isEmpty. Operand 2410 states and 3127 transitions. [2018-11-28 10:34:01,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-11-28 10:34:01,458 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 10:34:01,459 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 10:34:01,459 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 10:34:01,459 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:34:01,459 INFO L82 PathProgramCache]: Analyzing trace with hash -2028700589, now seen corresponding path program 1 times [2018-11-28 10:34:01,459 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:34:01,459 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:34:01,460 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:34:01,460 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:34:01,460 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:34:01,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:34:01,605 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 123 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 10:34:01,605 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 10:34:01,605 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_83f734ef-852c-4d30-b900-3c2c97d06e13/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 10:34:01,614 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:34:01,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:34:01,673 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 10:34:01,770 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 137 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-28 10:34:01,786 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 10:34:01,786 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5] total 14 [2018-11-28 10:34:01,787 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-28 10:34:01,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-28 10:34:01,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2018-11-28 10:34:01,787 INFO L87 Difference]: Start difference. First operand 2410 states and 3127 transitions. Second operand 14 states. [2018-11-28 10:34:03,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:34:03,214 INFO L93 Difference]: Finished difference Result 5251 states and 6855 transitions. [2018-11-28 10:34:03,215 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-28 10:34:03,215 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 245 [2018-11-28 10:34:03,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 10:34:03,215 INFO L225 Difference]: With dead ends: 5251 [2018-11-28 10:34:03,216 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 10:34:03,224 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 260 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=254, Invalid=738, Unknown=0, NotChecked=0, Total=992 [2018-11-28 10:34:03,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 10:34:03,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 10:34:03,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 10:34:03,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 10:34:03,224 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 245 [2018-11-28 10:34:03,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 10:34:03,224 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 10:34:03,225 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-28 10:34:03,225 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 10:34:03,225 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 10:34:03,228 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 10:34:03,291 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:34:03,300 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:34:03,301 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:34:03,301 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:34:03,302 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:34:03,303 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:34:03,308 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:34:03,315 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:34:03,324 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:34:03,344 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:34:03,346 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:34:03,346 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:34:03,346 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:34:03,347 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:34:03,351 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:34:03,358 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:34:03,752 WARN L180 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 55 [2018-11-28 10:34:03,906 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 49 [2018-11-28 10:34:04,015 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 49 [2018-11-28 10:34:04,016 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 10:34:04,017 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a11~0)| ~a11~0) (= |old(~a17~0)| ~a17~0) (= |old(~a25~0)| ~a25~0) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|)) [2018-11-28 10:34:04,017 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 10:34:04,017 INFO L448 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 10:34:04,017 INFO L448 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 10:34:04,017 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 10:34:04,017 INFO L448 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 10:34:04,017 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 10:34:04,017 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-11-28 10:34:04,017 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-11-28 10:34:04,017 INFO L448 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-28 10:34:04,017 INFO L448 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-28 10:34:04,018 INFO L448 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-11-28 10:34:04,018 INFO L448 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-28 10:34:04,018 INFO L448 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-11-28 10:34:04,018 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-11-28 10:34:04,018 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-11-28 10:34:04,018 INFO L448 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-11-28 10:34:04,018 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-28 10:34:04,018 INFO L448 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-11-28 10:34:04,018 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-11-28 10:34:04,018 INFO L448 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 10:34:04,018 INFO L448 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 10:34:04,018 INFO L448 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 10:34:04,018 INFO L448 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 10:34:04,018 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-28 10:34:04,018 INFO L448 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 10:34:04,019 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-11-28 10:34:04,019 INFO L448 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-28 10:34:04,019 INFO L448 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-28 10:34:04,019 INFO L448 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-28 10:34:04,019 INFO L448 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-28 10:34:04,019 INFO L448 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-28 10:34:04,019 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-11-28 10:34:04,019 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-28 10:34:04,019 INFO L448 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-11-28 10:34:04,019 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-11-28 10:34:04,019 INFO L448 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-11-28 10:34:04,019 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-11-28 10:34:04,019 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-11-28 10:34:04,019 INFO L448 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-11-28 10:34:04,019 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-11-28 10:34:04,019 INFO L448 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 10:34:04,020 INFO L448 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 10:34:04,020 INFO L448 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 10:34:04,020 INFO L448 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 10:34:04,020 INFO L448 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 10:34:04,020 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-11-28 10:34:04,020 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-11-28 10:34:04,020 INFO L448 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-11-28 10:34:04,020 INFO L448 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-28 10:34:04,020 INFO L448 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-28 10:34:04,020 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-28 10:34:04,020 INFO L448 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-28 10:34:04,020 INFO L448 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-28 10:34:04,020 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-11-28 10:34:04,020 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 553) no Hoare annotation was computed. [2018-11-28 10:34:04,021 INFO L448 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-11-28 10:34:04,021 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-11-28 10:34:04,021 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 10:34:04,021 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 10:34:04,021 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 10:34:04,021 INFO L448 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 10:34:04,021 INFO L448 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 10:34:04,021 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-11-28 10:34:04,021 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-11-28 10:34:04,021 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-11-28 10:34:04,021 INFO L448 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-28 10:34:04,021 INFO L448 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-28 10:34:04,021 INFO L448 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-11-28 10:34:04,021 INFO L448 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-28 10:34:04,021 INFO L448 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-11-28 10:34:04,021 INFO L448 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-28 10:34:04,022 INFO L448 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-11-28 10:34:04,022 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-11-28 10:34:04,022 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-11-28 10:34:04,022 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-11-28 10:34:04,022 INFO L448 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 10:34:04,022 INFO L448 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 10:34:04,022 INFO L448 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 10:34:04,022 INFO L448 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 10:34:04,022 INFO L448 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 10:34:04,022 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-11-28 10:34:04,022 INFO L448 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-28 10:34:04,022 INFO L448 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-11-28 10:34:04,022 INFO L448 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-11-28 10:34:04,022 INFO L448 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-28 10:34:04,022 INFO L448 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-28 10:34:04,023 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-11-28 10:34:04,023 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-11-28 10:34:04,023 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-11-28 10:34:04,023 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-11-28 10:34:04,023 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-11-28 10:34:04,023 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-11-28 10:34:04,023 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-11-28 10:34:04,023 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-28 10:34:04,023 INFO L448 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-11-28 10:34:04,023 INFO L448 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-11-28 10:34:04,023 INFO L448 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 10:34:04,023 INFO L448 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 10:34:04,023 INFO L448 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 10:34:04,023 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 10:34:04,023 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-11-28 10:34:04,023 INFO L448 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 10:34:04,023 INFO L448 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-11-28 10:34:04,024 INFO L448 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-11-28 10:34:04,024 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-28 10:34:04,024 INFO L448 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-11-28 10:34:04,024 INFO L448 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-11-28 10:34:04,024 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-11-28 10:34:04,024 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-11-28 10:34:04,024 INFO L448 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-28 10:34:04,024 INFO L448 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-28 10:34:04,024 INFO L448 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-11-28 10:34:04,024 INFO L448 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-28 10:34:04,024 INFO L448 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-28 10:34:04,024 INFO L448 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-11-28 10:34:04,024 INFO L448 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-11-28 10:34:04,024 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-11-28 10:34:04,024 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-11-28 10:34:04,025 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-11-28 10:34:04,025 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-11-28 10:34:04,025 INFO L448 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 10:34:04,025 INFO L448 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 10:34:04,025 INFO L448 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 10:34:04,025 INFO L448 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 10:34:04,025 INFO L448 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 10:34:04,025 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 10:34:04,025 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-11-28 10:34:04,025 INFO L448 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-28 10:34:04,025 INFO L448 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-28 10:34:04,025 INFO L448 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-28 10:34:04,025 INFO L448 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-28 10:34:04,025 INFO L448 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-28 10:34:04,025 INFO L448 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-28 10:34:04,025 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-11-28 10:34:04,026 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-11-28 10:34:04,026 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-11-28 10:34:04,026 INFO L448 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-11-28 10:34:04,026 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 10:34:04,026 INFO L448 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 10:34:04,026 INFO L448 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 10:34:04,026 INFO L448 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 10:34:04,026 INFO L448 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 10:34:04,027 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 10:34:04,027 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-11-28 10:34:04,027 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-11-28 10:34:04,027 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-11-28 10:34:04,027 INFO L448 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-11-28 10:34:04,027 INFO L448 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-28 10:34:04,027 INFO L448 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-11-28 10:34:04,027 INFO L448 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-11-28 10:34:04,027 INFO L448 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-28 10:34:04,027 INFO L448 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-28 10:34:04,027 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-11-28 10:34:04,027 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-11-28 10:34:04,027 INFO L448 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-11-28 10:34:04,027 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-11-28 10:34:04,027 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-11-28 10:34:04,027 INFO L448 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 10:34:04,028 INFO L448 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 10:34:04,028 INFO L448 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 10:34:04,028 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse12 (= |old(~a11~0)| ~a11~0)) (.cse11 (= |old(~a25~0)| ~a25~0)) (.cse13 (= ~a19~0 |old(~a19~0)|)) (.cse14 (= ~a28~0 |old(~a28~0)|))) (let ((.cse1 (= 1 |old(~a25~0)|)) (.cse2 (not (= 1 |old(~a19~0)|))) (.cse3 (not (= 8 |old(~a17~0)|))) (.cse4 (= 8 ~a17~0)) (.cse6 (= 1 |old(~a11~0)|)) (.cse5 (= 9 |old(~a28~0)|)) (.cse10 (not (= |old(~a17~0)| 8))) (.cse7 (< 10 |old(~a28~0)|)) (.cse0 (not (= 1 ~a21~0))) (.cse8 (= 8 |old(~a28~0)|)) (.cse9 (and .cse12 (= |old(~a17~0)| ~a17~0) .cse11 .cse13 .cse14))) (and (or .cse0 (not .cse1) .cse2 .cse3 (and (= 1 ~a11~0) (= 1 ~a25~0) (= 9 ~a28~0) .cse4 (= 1 ~a19~0)) (not .cse5) (not .cse6)) (or .cse7 .cse0 .cse8 .cse5 .cse9 .cse10) (or .cse7 .cse0 .cse9 .cse8 .cse10 .cse1) (or .cse0 .cse6 .cse2 .cse3 (and .cse11 .cse12 .cse4 .cse13 .cse14)) (or .cse7 .cse0 .cse6 .cse5 .cse10 .cse9) (or .cse7 .cse0 .cse8 .cse9 (< 7 |old(~a17~0)|))))) [2018-11-28 10:34:04,028 INFO L448 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 10:34:04,028 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 10:34:04,028 INFO L448 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 10:34:04,028 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-11-28 10:34:04,028 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-11-28 10:34:04,028 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-11-28 10:34:04,028 INFO L448 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-11-28 10:34:04,028 INFO L448 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-28 10:34:04,028 INFO L448 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-28 10:34:04,029 INFO L448 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-11-28 10:34:04,029 INFO L448 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-28 10:34:04,029 INFO L448 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-11-28 10:34:04,029 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-11-28 10:34:04,029 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-11-28 10:34:04,029 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-11-28 10:34:04,029 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-11-28 10:34:04,029 INFO L448 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 10:34:04,029 INFO L448 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 10:34:04,029 INFO L448 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 10:34:04,029 INFO L448 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 10:34:04,029 INFO L448 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 10:34:04,029 INFO L448 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 10:34:04,029 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-11-28 10:34:04,029 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-11-28 10:34:04,029 INFO L448 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-28 10:34:04,029 INFO L448 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-11-28 10:34:04,030 INFO L448 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-11-28 10:34:04,030 INFO L448 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-11-28 10:34:04,030 INFO L448 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-28 10:34:04,030 INFO L448 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-11-28 10:34:04,030 INFO L448 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-11-28 10:34:04,030 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-11-28 10:34:04,030 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-11-28 10:34:04,030 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-11-28 10:34:04,030 INFO L448 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-11-28 10:34:04,030 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-11-28 10:34:04,030 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-11-28 10:34:04,030 INFO L448 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-11-28 10:34:04,030 INFO L448 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 10:34:04,030 INFO L448 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 10:34:04,030 INFO L448 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 10:34:04,030 INFO L448 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 10:34:04,031 INFO L448 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 10:34:04,031 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-11-28 10:34:04,031 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-11-28 10:34:04,031 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-11-28 10:34:04,031 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-11-28 10:34:04,031 INFO L448 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-28 10:34:04,031 INFO L448 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-28 10:34:04,031 INFO L448 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-28 10:34:04,031 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-28 10:34:04,031 INFO L448 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-28 10:34:04,031 INFO L448 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-28 10:34:04,031 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-11-28 10:34:04,031 INFO L448 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-11-28 10:34:04,031 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-11-28 10:34:04,031 INFO L448 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-11-28 10:34:04,031 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-11-28 10:34:04,031 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-11-28 10:34:04,032 INFO L448 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-11-28 10:34:04,032 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-11-28 10:34:04,032 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-11-28 10:34:04,032 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 10:34:04,032 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~a25~0 1)) (<= ~a28~0 10) (not (= ~a28~0 8)) (= 8 ~a17~0) (= 1 ~a19~0) (= ~a21~0 1) (not (= ~a11~0 1)) (not (= ~a28~0 9))) [2018-11-28 10:34:04,032 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 10:34:04,032 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 10:34:04,032 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (< 10 |old(~a28~0)|) (not (= 1 ~a21~0)) (= 1 |old(~a11~0)|) (not (= 1 |old(~a19~0)|)) (and (= |old(~a25~0)| ~a25~0) (= |old(~a11~0)| ~a11~0) (= 8 ~a17~0) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|)) (= 8 |old(~a28~0)|) (= 9 |old(~a28~0)|) (not (= 8 |old(~a17~0)|)) (= 1 |old(~a25~0)|)) [2018-11-28 10:34:04,032 INFO L444 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse2 (not (= ~a11~0 1))) (.cse4 (= 8 ~a17~0)) (.cse5 (= 1 ~a19~0)) (.cse0 (= |old(~a17~0)| ~a17~0)) (.cse3 (not (= ~a28~0 9))) (.cse1 (<= ~a28~0 10)) (.cse6 (not (= ~a28~0 8)))) (or (not (= 1 ~a21~0)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2) (and (not (= ~a25~0 1)) .cse0 .cse1 .cse6) (= 1 |old(~a25~0)|) (= 1 |old(~a11~0)|) (and (= 9 ~a28~0) .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse3) (= 9 |old(~a28~0)|) (and (<= ~a17~0 7) .cse1 .cse6) (< 10 |old(~a28~0)|) (not (= 1 |old(~a19~0)|)) (= 8 |old(~a28~0)|) (not (= 8 |old(~a17~0)|)))) [2018-11-28 10:34:04,032 INFO L448 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2018-11-28 10:34:04,032 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-11-28 10:34:04,033 INFO L444 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse2 (not (= ~a11~0 1))) (.cse4 (= 8 ~a17~0)) (.cse5 (= 1 ~a19~0)) (.cse0 (= |old(~a17~0)| ~a17~0)) (.cse3 (not (= ~a28~0 9))) (.cse1 (<= ~a28~0 10)) (.cse6 (not (= ~a28~0 8)))) (or (not (= 1 ~a21~0)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2) (and (not (= ~a25~0 1)) .cse0 .cse1 .cse6) (= 1 |old(~a25~0)|) (= 1 |old(~a11~0)|) (and (= 9 ~a28~0) .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse3) (= 9 |old(~a28~0)|) (and (<= ~a17~0 7) .cse1 .cse6) (< 10 |old(~a28~0)|) (not (= 1 |old(~a19~0)|)) (= 8 |old(~a28~0)|) (not (= 8 |old(~a17~0)|)))) [2018-11-28 10:34:04,033 INFO L448 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-28 10:34:04,033 INFO L448 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-11-28 10:34:04,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 10:34:04 BoogieIcfgContainer [2018-11-28 10:34:04,050 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 10:34:04,050 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 10:34:04,050 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 10:34:04,050 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 10:34:04,051 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:33:54" (3/4) ... [2018-11-28 10:34:04,054 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 10:34:04,061 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 10:34:04,061 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-28 10:34:04,061 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 10:34:04,071 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-28 10:34:04,072 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-28 10:34:04,101 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((!(1 == a21) || (((\old(a17) == a17 && a28 <= 10) && !(a11 == 1)) && !(a28 == 9))) || ((8 == a17 && 1 == a19) && !(a11 == 1))) || (((!(a25 == 1) && \old(a17) == a17) && a28 <= 10) && !(a28 == 8))) || 1 == \old(a25)) || 1 == \old(a11)) || ((9 == a28 && 8 == a17) && 1 == a19)) || (((\old(a17) == a17 && a28 <= 10) && !(a28 == 8)) && !(a28 == 9))) || 9 == \old(a28)) || ((a17 <= 7 && a28 <= 10) && !(a28 == 8))) || 10 < \old(a28)) || !(1 == \old(a19))) || 8 == \old(a28)) || !(8 == \old(a17)) [2018-11-28 10:34:04,176 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_83f734ef-852c-4d30-b900-3c2c97d06e13/bin-2019/uautomizer/witness.graphml [2018-11-28 10:34:04,177 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 10:34:04,177 INFO L168 Benchmark]: Toolchain (without parser) took 10817.71 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 504.4 MB). Free memory was 950.6 MB in the beginning and 1.3 GB in the end (delta: -301.4 MB). Peak memory consumption was 203.0 MB. Max. memory is 11.5 GB. [2018-11-28 10:34:04,178 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 10:34:04,178 INFO L168 Benchmark]: CACSL2BoogieTranslator took 452.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 180.4 MB). Free memory was 950.6 MB in the beginning and 1.2 GB in the end (delta: -221.9 MB). Peak memory consumption was 51.8 MB. Max. memory is 11.5 GB. [2018-11-28 10:34:04,178 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-28 10:34:04,179 INFO L168 Benchmark]: Boogie Preprocessor took 57.55 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 10:34:04,179 INFO L168 Benchmark]: RCFGBuilder took 934.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 107.2 MB). Peak memory consumption was 107.2 MB. Max. memory is 11.5 GB. [2018-11-28 10:34:04,179 INFO L168 Benchmark]: TraceAbstraction took 9213.26 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 324.0 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -215.6 MB). Peak memory consumption was 441.3 MB. Max. memory is 11.5 GB. [2018-11-28 10:34:04,179 INFO L168 Benchmark]: Witness Printer took 126.76 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 25.6 MB). Peak memory consumption was 25.6 MB. Max. memory is 11.5 GB. [2018-11-28 10:34:04,184 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 452.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 180.4 MB). Free memory was 950.6 MB in the beginning and 1.2 GB in the end (delta: -221.9 MB). Peak memory consumption was 51.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 57.55 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 934.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 107.2 MB). Peak memory consumption was 107.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9213.26 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 324.0 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -215.6 MB). Peak memory consumption was 441.3 MB. Max. memory is 11.5 GB. * Witness Printer took 126.76 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 25.6 MB). Peak memory consumption was 25.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 553]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((((((((!(1 == a21) || (((\old(a17) == a17 && a28 <= 10) && !(a11 == 1)) && !(a28 == 9))) || ((8 == a17 && 1 == a19) && !(a11 == 1))) || (((!(a25 == 1) && \old(a17) == a17) && a28 <= 10) && !(a28 == 8))) || 1 == \old(a25)) || 1 == \old(a11)) || ((9 == a28 && 8 == a17) && 1 == a19)) || (((\old(a17) == a17 && a28 <= 10) && !(a28 == 8)) && !(a28 == 9))) || 9 == \old(a28)) || ((a17 <= 7 && a28 <= 10) && !(a28 == 8))) || 10 < \old(a28)) || !(1 == \old(a19))) || 8 == \old(a28)) || !(8 == \old(a17)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. SAFE Result, 9.1s OverallTime, 9 OverallIterations, 4 TraceHistogramMax, 6.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 514 SDtfs, 7104 SDslu, 567 SDs, 0 SdLazy, 7427 SolverSat, 1915 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 556 GetRequests, 464 SyntacticMatches, 9 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 336 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2410occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 71 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 75 PreInvPairs, 127 NumberOfFragments, 514 HoareAnnotationTreeSize, 75 FomulaSimplifications, 2886 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2497 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1881 NumberOfCodeBlocks, 1881 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1870 ConstructedInterpolants, 0 QuantifiedInterpolants, 1786907 SizeOfPredicates, 3 NumberOfNonLiveVariables, 973 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 11 InterpolantComputations, 8 PerfectInterpolantSequences, 437/488 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...