./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label17_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_68bbac42-6d98-47ac-8046-811187e893f8/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_68bbac42-6d98-47ac-8046-811187e893f8/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_68bbac42-6d98-47ac-8046-811187e893f8/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_68bbac42-6d98-47ac-8046-811187e893f8/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label17_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_68bbac42-6d98-47ac-8046-811187e893f8/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_68bbac42-6d98-47ac-8046-811187e893f8/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 2a1f01b3f00839c9ea12a67cb5b63524aacfc6e0 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 21:32:55,054 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 21:32:55,055 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 21:32:55,061 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 21:32:55,061 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 21:32:55,062 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 21:32:55,062 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 21:32:55,063 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 21:32:55,064 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 21:32:55,064 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 21:32:55,065 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 21:32:55,065 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 21:32:55,065 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 21:32:55,066 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 21:32:55,066 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 21:32:55,067 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 21:32:55,067 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 21:32:55,068 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 21:32:55,069 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 21:32:55,069 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 21:32:55,070 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 21:32:55,070 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 21:32:55,072 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 21:32:55,072 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 21:32:55,072 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 21:32:55,072 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 21:32:55,073 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 21:32:55,073 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 21:32:55,073 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 21:32:55,074 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 21:32:55,074 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 21:32:55,074 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 21:32:55,074 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 21:32:55,075 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 21:32:55,075 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 21:32:55,075 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 21:32:55,075 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_68bbac42-6d98-47ac-8046-811187e893f8/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-02 21:32:55,082 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 21:32:55,083 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 21:32:55,083 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 21:32:55,083 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 21:32:55,084 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 21:32:55,084 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 21:32:55,084 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 21:32:55,084 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 21:32:55,084 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 21:32:55,084 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 21:32:55,084 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 21:32:55,084 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 21:32:55,084 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 21:32:55,084 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 21:32:55,085 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 21:32:55,085 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 21:32:55,085 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 21:32:55,085 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 21:32:55,085 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 21:32:55,085 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 21:32:55,085 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 21:32:55,085 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 21:32:55,085 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 21:32:55,085 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 21:32:55,086 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 21:32:55,086 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 21:32:55,086 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 21:32:55,086 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-02 21:32:55,086 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 21:32:55,086 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 21:32:55,086 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_68bbac42-6d98-47ac-8046-811187e893f8/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 -> 2a1f01b3f00839c9ea12a67cb5b63524aacfc6e0 [2018-12-02 21:32:55,104 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 21:32:55,113 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 21:32:55,116 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 21:32:55,117 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 21:32:55,117 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 21:32:55,118 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_68bbac42-6d98-47ac-8046-811187e893f8/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem14_label17_true-unreach-call_false-termination.c [2018-12-02 21:32:55,160 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_68bbac42-6d98-47ac-8046-811187e893f8/bin-2019/uautomizer/data/86ea0af77/6817eba468a143bdac0fd45192895064/FLAGf183e4644 [2018-12-02 21:32:55,570 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 21:32:55,570 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_68bbac42-6d98-47ac-8046-811187e893f8/sv-benchmarks/c/eca-rers2012/Problem14_label17_true-unreach-call_false-termination.c [2018-12-02 21:32:55,577 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_68bbac42-6d98-47ac-8046-811187e893f8/bin-2019/uautomizer/data/86ea0af77/6817eba468a143bdac0fd45192895064/FLAGf183e4644 [2018-12-02 21:32:55,586 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_68bbac42-6d98-47ac-8046-811187e893f8/bin-2019/uautomizer/data/86ea0af77/6817eba468a143bdac0fd45192895064 [2018-12-02 21:32:55,587 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 21:32:55,588 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 21:32:55,589 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 21:32:55,589 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 21:32:55,591 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 21:32:55,591 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:32:55" (1/1) ... [2018-12-02 21:32:55,593 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ec9f2fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:55, skipping insertion in model container [2018-12-02 21:32:55,593 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:32:55" (1/1) ... [2018-12-02 21:32:55,597 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 21:32:55,622 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 21:32:55,808 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 21:32:55,811 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 21:32:55,905 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 21:32:55,914 INFO L195 MainTranslator]: Completed translation [2018-12-02 21:32:55,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:55 WrapperNode [2018-12-02 21:32:55,914 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 21:32:55,915 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 21:32:55,915 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 21:32:55,915 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 21:32:55,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:55" (1/1) ... [2018-12-02 21:32:55,930 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:55" (1/1) ... [2018-12-02 21:32:55,935 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 21:32:55,935 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 21:32:55,935 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 21:32:55,936 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 21:32:55,942 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:55" (1/1) ... [2018-12-02 21:32:55,942 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:55" (1/1) ... [2018-12-02 21:32:55,945 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:55" (1/1) ... [2018-12-02 21:32:55,945 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:55" (1/1) ... [2018-12-02 21:32:55,964 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:55" (1/1) ... [2018-12-02 21:32:55,972 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:55" (1/1) ... [2018-12-02 21:32:55,975 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:55" (1/1) ... [2018-12-02 21:32:55,980 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 21:32:55,981 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 21:32:55,981 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 21:32:55,981 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 21:32:55,981 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_68bbac42-6d98-47ac-8046-811187e893f8/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 21:32:56,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 21:32:56,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 21:32:56,017 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-02 21:32:56,017 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-02 21:32:56,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 21:32:56,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 21:32:56,017 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 21:32:56,017 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 21:32:56,709 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 21:32:56,709 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-02 21:32:56,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:32:56 BoogieIcfgContainer [2018-12-02 21:32:56,710 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 21:32:56,711 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 21:32:56,711 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 21:32:56,714 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 21:32:56,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 09:32:55" (1/3) ... [2018-12-02 21:32:56,715 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33a63b0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 09:32:56, skipping insertion in model container [2018-12-02 21:32:56,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:55" (2/3) ... [2018-12-02 21:32:56,716 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33a63b0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 09:32:56, skipping insertion in model container [2018-12-02 21:32:56,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:32:56" (3/3) ... [2018-12-02 21:32:56,717 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label17_true-unreach-call_false-termination.c [2018-12-02 21:32:56,726 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 21:32:56,732 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 21:32:56,745 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 21:32:56,769 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 21:32:56,769 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 21:32:56,769 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 21:32:56,769 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 21:32:56,769 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 21:32:56,769 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 21:32:56,770 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 21:32:56,770 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 21:32:56,770 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 21:32:56,784 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2018-12-02 21:32:56,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-02 21:32:56,789 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:32:56,789 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] [2018-12-02 21:32:56,791 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:32:56,794 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:32:56,794 INFO L82 PathProgramCache]: Analyzing trace with hash -950257557, now seen corresponding path program 1 times [2018-12-02 21:32:56,795 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 21:32:56,795 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 21:32:56,825 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:32:56,825 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:32:56,825 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:32:56,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:32:56,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:32:56,961 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 21:32:56,961 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 21:32:56,964 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 21:32:56,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 21:32:56,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 21:32:56,974 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 3 states. [2018-12-02 21:32:57,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:32:57,572 INFO L93 Difference]: Finished difference Result 688 states and 1223 transitions. [2018-12-02 21:32:57,573 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 21:32:57,573 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2018-12-02 21:32:57,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:32:57,582 INFO L225 Difference]: With dead ends: 688 [2018-12-02 21:32:57,582 INFO L226 Difference]: Without dead ends: 372 [2018-12-02 21:32:57,585 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 21:32:57,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2018-12-02 21:32:57,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 372. [2018-12-02 21:32:57,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 372 states. [2018-12-02 21:32:57,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 584 transitions. [2018-12-02 21:32:57,623 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 584 transitions. Word has length 62 [2018-12-02 21:32:57,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:32:57,623 INFO L480 AbstractCegarLoop]: Abstraction has 372 states and 584 transitions. [2018-12-02 21:32:57,623 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 21:32:57,623 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 584 transitions. [2018-12-02 21:32:57,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-02 21:32:57,626 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:32:57,626 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:32:57,626 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:32:57,626 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:32:57,627 INFO L82 PathProgramCache]: Analyzing trace with hash -955889055, now seen corresponding path program 1 times [2018-12-02 21:32:57,627 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 21:32:57,627 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 21:32:57,628 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:32:57,628 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:32:57,628 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:32:57,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:32:57,760 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:32:57,760 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 21:32:57,760 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 21:32:57,761 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 21:32:57,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 21:32:57,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 21:32:57,762 INFO L87 Difference]: Start difference. First operand 372 states and 584 transitions. Second operand 6 states. [2018-12-02 21:32:58,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:32:58,395 INFO L93 Difference]: Finished difference Result 1126 states and 1797 transitions. [2018-12-02 21:32:58,395 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 21:32:58,395 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 141 [2018-12-02 21:32:58,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:32:58,399 INFO L225 Difference]: With dead ends: 1126 [2018-12-02 21:32:58,399 INFO L226 Difference]: Without dead ends: 760 [2018-12-02 21:32:58,400 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-02 21:32:58,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 760 states. [2018-12-02 21:32:58,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 760 to 748. [2018-12-02 21:32:58,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 748 states. [2018-12-02 21:32:58,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 748 states and 1095 transitions. [2018-12-02 21:32:58,424 INFO L78 Accepts]: Start accepts. Automaton has 748 states and 1095 transitions. Word has length 141 [2018-12-02 21:32:58,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:32:58,424 INFO L480 AbstractCegarLoop]: Abstraction has 748 states and 1095 transitions. [2018-12-02 21:32:58,425 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 21:32:58,425 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 1095 transitions. [2018-12-02 21:32:58,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-12-02 21:32:58,427 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:32:58,428 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:32:58,428 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:32:58,428 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:32:58,428 INFO L82 PathProgramCache]: Analyzing trace with hash -1117315654, now seen corresponding path program 1 times [2018-12-02 21:32:58,429 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 21:32:58,429 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 21:32:58,429 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:32:58,430 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:32:58,430 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:32:58,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:32:58,545 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:32:58,545 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 21:32:58,545 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 21:32:58,546 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 21:32:58,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 21:32:58,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-02 21:32:58,546 INFO L87 Difference]: Start difference. First operand 748 states and 1095 transitions. Second operand 4 states. [2018-12-02 21:32:59,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:32:59,195 INFO L93 Difference]: Finished difference Result 1858 states and 2695 transitions. [2018-12-02 21:32:59,196 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 21:32:59,196 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 174 [2018-12-02 21:32:59,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:32:59,201 INFO L225 Difference]: With dead ends: 1858 [2018-12-02 21:32:59,201 INFO L226 Difference]: Without dead ends: 1116 [2018-12-02 21:32:59,203 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-02 21:32:59,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2018-12-02 21:32:59,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 932. [2018-12-02 21:32:59,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 932 states. [2018-12-02 21:32:59,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 932 states and 1253 transitions. [2018-12-02 21:32:59,228 INFO L78 Accepts]: Start accepts. Automaton has 932 states and 1253 transitions. Word has length 174 [2018-12-02 21:32:59,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:32:59,228 INFO L480 AbstractCegarLoop]: Abstraction has 932 states and 1253 transitions. [2018-12-02 21:32:59,228 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 21:32:59,229 INFO L276 IsEmpty]: Start isEmpty. Operand 932 states and 1253 transitions. [2018-12-02 21:32:59,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-12-02 21:32:59,232 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:32:59,232 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:32:59,232 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:32:59,232 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:32:59,233 INFO L82 PathProgramCache]: Analyzing trace with hash -1149985643, now seen corresponding path program 1 times [2018-12-02 21:32:59,233 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 21:32:59,233 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 21:32:59,234 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:32:59,234 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:32:59,234 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:32:59,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:32:59,481 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:32:59,482 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 21:32:59,482 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 21:32:59,482 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 21:32:59,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 21:32:59,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-02 21:32:59,482 INFO L87 Difference]: Start difference. First operand 932 states and 1253 transitions. Second operand 6 states. [2018-12-02 21:33:00,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:33:00,285 INFO L93 Difference]: Finished difference Result 2258 states and 3067 transitions. [2018-12-02 21:33:00,285 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-02 21:33:00,285 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 227 [2018-12-02 21:33:00,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:33:00,289 INFO L225 Difference]: With dead ends: 2258 [2018-12-02 21:33:00,289 INFO L226 Difference]: Without dead ends: 1332 [2018-12-02 21:33:00,291 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-12-02 21:33:00,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1332 states. [2018-12-02 21:33:00,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1332 to 1124. [2018-12-02 21:33:00,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1124 states. [2018-12-02 21:33:00,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 1124 states and 1460 transitions. [2018-12-02 21:33:00,314 INFO L78 Accepts]: Start accepts. Automaton has 1124 states and 1460 transitions. Word has length 227 [2018-12-02 21:33:00,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:33:00,314 INFO L480 AbstractCegarLoop]: Abstraction has 1124 states and 1460 transitions. [2018-12-02 21:33:00,314 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 21:33:00,314 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 1460 transitions. [2018-12-02 21:33:00,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2018-12-02 21:33:00,319 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:33:00,319 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:33:00,320 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:33:00,320 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:33:00,320 INFO L82 PathProgramCache]: Analyzing trace with hash -1540192005, now seen corresponding path program 1 times [2018-12-02 21:33:00,320 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 21:33:00,320 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 21:33:00,321 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:33:00,321 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:33:00,321 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:33:00,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:33:00,802 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 251 proven. 190 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 21:33:00,802 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 21:33:00,802 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_68bbac42-6d98-47ac-8046-811187e893f8/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 21:33:00,809 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:33:00,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:33:00,888 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 21:33:01,110 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 336 proven. 53 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-12-02 21:33:01,135 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-02 21:33:01,135 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8] total 15 [2018-12-02 21:33:01,135 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-02 21:33:01,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-02 21:33:01,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2018-12-02 21:33:01,136 INFO L87 Difference]: Start difference. First operand 1124 states and 1460 transitions. Second operand 15 states. [2018-12-02 21:33:02,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:33:02,640 INFO L93 Difference]: Finished difference Result 2541 states and 3330 transitions. [2018-12-02 21:33:02,640 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-02 21:33:02,640 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 409 [2018-12-02 21:33:02,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:33:02,645 INFO L225 Difference]: With dead ends: 2541 [2018-12-02 21:33:02,645 INFO L226 Difference]: Without dead ends: 1378 [2018-12-02 21:33:02,648 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 449 GetRequests, 421 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=198, Invalid=614, Unknown=0, NotChecked=0, Total=812 [2018-12-02 21:33:02,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1378 states. [2018-12-02 21:33:02,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1378 to 1316. [2018-12-02 21:33:02,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1316 states. [2018-12-02 21:33:02,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1316 states to 1316 states and 1569 transitions. [2018-12-02 21:33:02,676 INFO L78 Accepts]: Start accepts. Automaton has 1316 states and 1569 transitions. Word has length 409 [2018-12-02 21:33:02,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:33:02,676 INFO L480 AbstractCegarLoop]: Abstraction has 1316 states and 1569 transitions. [2018-12-02 21:33:02,676 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-02 21:33:02,676 INFO L276 IsEmpty]: Start isEmpty. Operand 1316 states and 1569 transitions. [2018-12-02 21:33:02,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 435 [2018-12-02 21:33:02,681 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:33:02,681 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:33:02,681 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:33:02,681 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:33:02,681 INFO L82 PathProgramCache]: Analyzing trace with hash -1982849592, now seen corresponding path program 1 times [2018-12-02 21:33:02,681 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 21:33:02,682 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 21:33:02,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:33:02,682 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:33:02,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:33:02,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:33:03,351 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 258 proven. 237 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:33:03,351 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 21:33:03,351 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_68bbac42-6d98-47ac-8046-811187e893f8/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 21:33:03,357 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:33:03,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:33:03,409 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 21:33:03,519 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 271 proven. 0 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2018-12-02 21:33:03,534 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 21:33:03,534 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [19] total 22 [2018-12-02 21:33:03,535 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-12-02 21:33:03,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-12-02 21:33:03,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=390, Unknown=0, NotChecked=0, Total=462 [2018-12-02 21:33:03,536 INFO L87 Difference]: Start difference. First operand 1316 states and 1569 transitions. Second operand 22 states. [2018-12-02 21:33:10,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:33:10,305 INFO L93 Difference]: Finished difference Result 4464 states and 5808 transitions. [2018-12-02 21:33:10,305 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2018-12-02 21:33:10,305 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 434 [2018-12-02 21:33:10,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:33:10,315 INFO L225 Difference]: With dead ends: 4464 [2018-12-02 21:33:10,315 INFO L226 Difference]: Without dead ends: 3154 [2018-12-02 21:33:10,319 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 528 GetRequests, 432 SyntacticMatches, 1 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3077 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=1512, Invalid=7800, Unknown=0, NotChecked=0, Total=9312 [2018-12-02 21:33:10,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3154 states. [2018-12-02 21:33:10,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3154 to 2818. [2018-12-02 21:33:10,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2818 states. [2018-12-02 21:33:10,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2818 states to 2818 states and 3236 transitions. [2018-12-02 21:33:10,375 INFO L78 Accepts]: Start accepts. Automaton has 2818 states and 3236 transitions. Word has length 434 [2018-12-02 21:33:10,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:33:10,375 INFO L480 AbstractCegarLoop]: Abstraction has 2818 states and 3236 transitions. [2018-12-02 21:33:10,375 INFO L481 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-12-02 21:33:10,375 INFO L276 IsEmpty]: Start isEmpty. Operand 2818 states and 3236 transitions. [2018-12-02 21:33:10,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 801 [2018-12-02 21:33:10,390 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:33:10,390 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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] [2018-12-02 21:33:10,390 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:33:10,390 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:33:10,391 INFO L82 PathProgramCache]: Analyzing trace with hash -200653041, now seen corresponding path program 1 times [2018-12-02 21:33:10,391 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 21:33:10,391 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 21:33:10,391 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:33:10,392 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:33:10,392 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:33:10,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:33:10,775 INFO L134 CoverageAnalysis]: Checked inductivity of 1862 backedges. 687 proven. 228 refuted. 0 times theorem prover too weak. 947 trivial. 0 not checked. [2018-12-02 21:33:10,775 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 21:33:10,775 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_68bbac42-6d98-47ac-8046-811187e893f8/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 21:33:10,781 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:33:10,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:33:10,868 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 21:33:11,084 INFO L134 CoverageAnalysis]: Checked inductivity of 1862 backedges. 1347 proven. 2 refuted. 0 times theorem prover too weak. 513 trivial. 0 not checked. [2018-12-02 21:33:11,099 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-02 21:33:11,100 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2018-12-02 21:33:11,100 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 21:33:11,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 21:33:11,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-12-02 21:33:11,101 INFO L87 Difference]: Start difference. First operand 2818 states and 3236 transitions. Second operand 7 states. [2018-12-02 21:33:12,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:33:12,069 INFO L93 Difference]: Finished difference Result 7164 states and 9216 transitions. [2018-12-02 21:33:12,069 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-02 21:33:12,069 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 800 [2018-12-02 21:33:12,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:33:12,080 INFO L225 Difference]: With dead ends: 7164 [2018-12-02 21:33:12,080 INFO L226 Difference]: Without dead ends: 4534 [2018-12-02 21:33:12,084 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 817 GetRequests, 806 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2018-12-02 21:33:12,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4534 states. [2018-12-02 21:33:12,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4534 to 4338. [2018-12-02 21:33:12,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4338 states. [2018-12-02 21:33:12,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4338 states to 4338 states and 5045 transitions. [2018-12-02 21:33:12,154 INFO L78 Accepts]: Start accepts. Automaton has 4338 states and 5045 transitions. Word has length 800 [2018-12-02 21:33:12,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:33:12,155 INFO L480 AbstractCegarLoop]: Abstraction has 4338 states and 5045 transitions. [2018-12-02 21:33:12,155 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 21:33:12,155 INFO L276 IsEmpty]: Start isEmpty. Operand 4338 states and 5045 transitions. [2018-12-02 21:33:12,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 808 [2018-12-02 21:33:12,161 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:33:12,161 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:33:12,162 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:33:12,162 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:33:12,162 INFO L82 PathProgramCache]: Analyzing trace with hash -1790395514, now seen corresponding path program 1 times [2018-12-02 21:33:12,162 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 21:33:12,162 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 21:33:12,163 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:33:12,163 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:33:12,163 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:33:12,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:33:12,536 INFO L134 CoverageAnalysis]: Checked inductivity of 1876 backedges. 694 proven. 228 refuted. 0 times theorem prover too weak. 954 trivial. 0 not checked. [2018-12-02 21:33:12,537 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 21:33:12,537 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_68bbac42-6d98-47ac-8046-811187e893f8/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 21:33:12,543 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:33:12,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:33:12,641 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 21:33:12,878 INFO L134 CoverageAnalysis]: Checked inductivity of 1876 backedges. 1361 proven. 2 refuted. 0 times theorem prover too weak. 513 trivial. 0 not checked. [2018-12-02 21:33:12,903 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-02 21:33:12,903 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2018-12-02 21:33:12,904 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 21:33:12,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 21:33:12,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-12-02 21:33:12,904 INFO L87 Difference]: Start difference. First operand 4338 states and 5045 transitions. Second operand 7 states. [2018-12-02 21:33:14,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:33:14,089 INFO L93 Difference]: Finished difference Result 10758 states and 13636 transitions. [2018-12-02 21:33:14,090 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-02 21:33:14,090 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 807 [2018-12-02 21:33:14,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:33:14,104 INFO L225 Difference]: With dead ends: 10758 [2018-12-02 21:33:14,104 INFO L226 Difference]: Without dead ends: 6608 [2018-12-02 21:33:14,109 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 824 GetRequests, 813 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2018-12-02 21:33:14,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6608 states. [2018-12-02 21:33:14,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6608 to 6402. [2018-12-02 21:33:14,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6402 states. [2018-12-02 21:33:14,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6402 states to 6402 states and 7509 transitions. [2018-12-02 21:33:14,205 INFO L78 Accepts]: Start accepts. Automaton has 6402 states and 7509 transitions. Word has length 807 [2018-12-02 21:33:14,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:33:14,206 INFO L480 AbstractCegarLoop]: Abstraction has 6402 states and 7509 transitions. [2018-12-02 21:33:14,206 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 21:33:14,206 INFO L276 IsEmpty]: Start isEmpty. Operand 6402 states and 7509 transitions. [2018-12-02 21:33:14,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 868 [2018-12-02 21:33:14,214 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:33:14,214 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:33:14,214 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:33:14,214 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:33:14,214 INFO L82 PathProgramCache]: Analyzing trace with hash 1982891454, now seen corresponding path program 1 times [2018-12-02 21:33:14,214 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 21:33:14,214 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 21:33:14,215 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:33:14,215 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:33:14,215 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:33:14,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:33:14,776 INFO L134 CoverageAnalysis]: Checked inductivity of 1970 backedges. 574 proven. 403 refuted. 0 times theorem prover too weak. 993 trivial. 0 not checked. [2018-12-02 21:33:14,777 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 21:33:14,777 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_68bbac42-6d98-47ac-8046-811187e893f8/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 21:33:14,783 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:33:14,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:33:14,881 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 21:33:15,131 INFO L134 CoverageAnalysis]: Checked inductivity of 1970 backedges. 1385 proven. 2 refuted. 0 times theorem prover too weak. 583 trivial. 0 not checked. [2018-12-02 21:33:15,146 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-02 21:33:15,147 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 7 [2018-12-02 21:33:15,147 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 21:33:15,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 21:33:15,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-12-02 21:33:15,148 INFO L87 Difference]: Start difference. First operand 6402 states and 7509 transitions. Second operand 7 states. [2018-12-02 21:33:15,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:33:15,877 INFO L93 Difference]: Finished difference Result 14286 states and 16932 transitions. [2018-12-02 21:33:15,877 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-02 21:33:15,877 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 867 [2018-12-02 21:33:15,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:33:15,891 INFO L225 Difference]: With dead ends: 14286 [2018-12-02 21:33:15,891 INFO L226 Difference]: Without dead ends: 8072 [2018-12-02 21:33:15,898 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 885 GetRequests, 871 SyntacticMatches, 5 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2018-12-02 21:33:15,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8072 states. [2018-12-02 21:33:15,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8072 to 7706. [2018-12-02 21:33:15,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7706 states. [2018-12-02 21:33:15,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7706 states to 7706 states and 8868 transitions. [2018-12-02 21:33:15,993 INFO L78 Accepts]: Start accepts. Automaton has 7706 states and 8868 transitions. Word has length 867 [2018-12-02 21:33:15,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:33:15,993 INFO L480 AbstractCegarLoop]: Abstraction has 7706 states and 8868 transitions. [2018-12-02 21:33:15,994 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 21:33:15,994 INFO L276 IsEmpty]: Start isEmpty. Operand 7706 states and 8868 transitions. [2018-12-02 21:33:16,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 908 [2018-12-02 21:33:16,002 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:33:16,002 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:33:16,002 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:33:16,002 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:33:16,002 INFO L82 PathProgramCache]: Analyzing trace with hash -1993504723, now seen corresponding path program 1 times [2018-12-02 21:33:16,003 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 21:33:16,003 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 21:33:16,003 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:33:16,004 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:33:16,004 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:33:16,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:33:17,044 INFO L134 CoverageAnalysis]: Checked inductivity of 2462 backedges. 732 proven. 1046 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2018-12-02 21:33:17,045 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 21:33:17,045 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_68bbac42-6d98-47ac-8046-811187e893f8/bin-2019/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 21:33:17,050 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:33:17,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:33:17,143 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 21:33:17,566 INFO L134 CoverageAnalysis]: Checked inductivity of 2462 backedges. 1698 proven. 2 refuted. 0 times theorem prover too weak. 762 trivial. 0 not checked. [2018-12-02 21:33:17,582 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-02 21:33:17,582 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 6] total 17 [2018-12-02 21:33:17,582 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-12-02 21:33:17,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-12-02 21:33:17,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2018-12-02 21:33:17,583 INFO L87 Difference]: Start difference. First operand 7706 states and 8868 transitions. Second operand 17 states. [2018-12-02 21:33:19,894 WARN L180 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 52 [2018-12-02 21:33:20,227 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 43 [2018-12-02 21:33:21,472 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 51 [2018-12-02 21:33:21,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:33:21,848 INFO L93 Difference]: Finished difference Result 15687 states and 18680 transitions. [2018-12-02 21:33:21,848 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-12-02 21:33:21,848 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 907 [2018-12-02 21:33:21,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:33:21,862 INFO L225 Difference]: With dead ends: 15687 [2018-12-02 21:33:21,862 INFO L226 Difference]: Without dead ends: 8114 [2018-12-02 21:33:21,870 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 976 GetRequests, 926 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 697 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=545, Invalid=2107, Unknown=0, NotChecked=0, Total=2652 [2018-12-02 21:33:21,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8114 states. [2018-12-02 21:33:21,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8114 to 6930. [2018-12-02 21:33:21,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6930 states. [2018-12-02 21:33:21,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6930 states to 6930 states and 7548 transitions. [2018-12-02 21:33:21,960 INFO L78 Accepts]: Start accepts. Automaton has 6930 states and 7548 transitions. Word has length 907 [2018-12-02 21:33:21,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:33:21,960 INFO L480 AbstractCegarLoop]: Abstraction has 6930 states and 7548 transitions. [2018-12-02 21:33:21,960 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-12-02 21:33:21,960 INFO L276 IsEmpty]: Start isEmpty. Operand 6930 states and 7548 transitions. [2018-12-02 21:33:21,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 967 [2018-12-02 21:33:21,968 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:33:21,968 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:33:21,968 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:33:21,968 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:33:21,968 INFO L82 PathProgramCache]: Analyzing trace with hash -424462762, now seen corresponding path program 1 times [2018-12-02 21:33:21,968 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 21:33:21,968 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 21:33:21,969 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:33:21,969 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:33:21,969 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:33:22,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:33:22,469 INFO L134 CoverageAnalysis]: Checked inductivity of 2656 backedges. 919 proven. 228 refuted. 0 times theorem prover too weak. 1509 trivial. 0 not checked. [2018-12-02 21:33:22,469 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 21:33:22,469 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_68bbac42-6d98-47ac-8046-811187e893f8/bin-2019/uautomizer/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 21:33:22,475 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:33:22,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:33:22,576 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 21:33:22,817 INFO L134 CoverageAnalysis]: Checked inductivity of 2656 backedges. 1808 proven. 2 refuted. 0 times theorem prover too weak. 846 trivial. 0 not checked. [2018-12-02 21:33:22,833 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-02 21:33:22,833 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2018-12-02 21:33:22,834 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 21:33:22,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 21:33:22,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-12-02 21:33:22,834 INFO L87 Difference]: Start difference. First operand 6930 states and 7548 transitions. Second operand 7 states. [2018-12-02 21:33:23,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:33:23,479 INFO L93 Difference]: Finished difference Result 13832 states and 15105 transitions. [2018-12-02 21:33:23,479 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-02 21:33:23,479 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 966 [2018-12-02 21:33:23,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:33:23,488 INFO L225 Difference]: With dead ends: 13832 [2018-12-02 21:33:23,488 INFO L226 Difference]: Without dead ends: 7090 [2018-12-02 21:33:23,494 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 982 GetRequests, 971 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2018-12-02 21:33:23,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7090 states. [2018-12-02 21:33:23,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7090 to 6892. [2018-12-02 21:33:23,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6892 states. [2018-12-02 21:33:23,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6892 states to 6892 states and 7474 transitions. [2018-12-02 21:33:23,565 INFO L78 Accepts]: Start accepts. Automaton has 6892 states and 7474 transitions. Word has length 966 [2018-12-02 21:33:23,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:33:23,566 INFO L480 AbstractCegarLoop]: Abstraction has 6892 states and 7474 transitions. [2018-12-02 21:33:23,566 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 21:33:23,566 INFO L276 IsEmpty]: Start isEmpty. Operand 6892 states and 7474 transitions. [2018-12-02 21:33:23,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1142 [2018-12-02 21:33:23,574 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:33:23,575 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:33:23,575 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:33:23,575 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:33:23,575 INFO L82 PathProgramCache]: Analyzing trace with hash 500462927, now seen corresponding path program 1 times [2018-12-02 21:33:23,575 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 21:33:23,575 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 21:33:23,576 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:33:23,576 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:33:23,576 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:33:23,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:33:24,124 INFO L134 CoverageAnalysis]: Checked inductivity of 3957 backedges. 1679 proven. 230 refuted. 0 times theorem prover too weak. 2048 trivial. 0 not checked. [2018-12-02 21:33:24,124 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 21:33:24,124 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_68bbac42-6d98-47ac-8046-811187e893f8/bin-2019/uautomizer/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 21:33:24,130 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:33:24,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:33:24,272 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 21:33:24,641 INFO L134 CoverageAnalysis]: Checked inductivity of 3957 backedges. 2469 proven. 6 refuted. 0 times theorem prover too weak. 1482 trivial. 0 not checked. [2018-12-02 21:33:24,657 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-02 21:33:24,657 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2018-12-02 21:33:24,658 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 21:33:24,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 21:33:24,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-12-02 21:33:24,658 INFO L87 Difference]: Start difference. First operand 6892 states and 7474 transitions. Second operand 9 states. [2018-12-02 21:33:25,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:33:25,625 INFO L93 Difference]: Finished difference Result 15262 states and 16617 transitions. [2018-12-02 21:33:25,625 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-02 21:33:25,625 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1141 [2018-12-02 21:33:25,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:33:25,637 INFO L225 Difference]: With dead ends: 15262 [2018-12-02 21:33:25,637 INFO L226 Difference]: Without dead ends: 8558 [2018-12-02 21:33:25,644 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1159 GetRequests, 1145 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2018-12-02 21:33:25,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8558 states. [2018-12-02 21:33:25,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8558 to 8002. [2018-12-02 21:33:25,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8002 states. [2018-12-02 21:33:25,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8002 states to 8002 states and 8681 transitions. [2018-12-02 21:33:25,729 INFO L78 Accepts]: Start accepts. Automaton has 8002 states and 8681 transitions. Word has length 1141 [2018-12-02 21:33:25,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:33:25,729 INFO L480 AbstractCegarLoop]: Abstraction has 8002 states and 8681 transitions. [2018-12-02 21:33:25,729 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 21:33:25,729 INFO L276 IsEmpty]: Start isEmpty. Operand 8002 states and 8681 transitions. [2018-12-02 21:33:25,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1293 [2018-12-02 21:33:25,740 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:33:25,740 INFO L402 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 6, 6, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:33:25,740 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:33:25,740 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:33:25,741 INFO L82 PathProgramCache]: Analyzing trace with hash 1123864491, now seen corresponding path program 1 times [2018-12-02 21:33:25,741 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 21:33:25,741 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 21:33:25,741 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:33:25,741 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:33:25,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:33:25,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:33:27,166 INFO L134 CoverageAnalysis]: Checked inductivity of 5166 backedges. 1416 proven. 937 refuted. 0 times theorem prover too weak. 2813 trivial. 0 not checked. [2018-12-02 21:33:27,167 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 21:33:27,167 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_68bbac42-6d98-47ac-8046-811187e893f8/bin-2019/uautomizer/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 21:33:27,172 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:33:27,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:33:27,306 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 21:33:27,794 INFO L134 CoverageAnalysis]: Checked inductivity of 5166 backedges. 2362 proven. 2 refuted. 0 times theorem prover too weak. 2802 trivial. 0 not checked. [2018-12-02 21:33:27,810 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-02 21:33:27,810 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 5] total 17 [2018-12-02 21:33:27,811 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-12-02 21:33:27,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-12-02 21:33:27,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2018-12-02 21:33:27,811 INFO L87 Difference]: Start difference. First operand 8002 states and 8681 transitions. Second operand 17 states. [2018-12-02 21:33:30,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:33:30,731 INFO L93 Difference]: Finished difference Result 15690 states and 17060 transitions. [2018-12-02 21:33:30,731 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-12-02 21:33:30,731 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 1292 [2018-12-02 21:33:30,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:33:30,740 INFO L225 Difference]: With dead ends: 15690 [2018-12-02 21:33:30,740 INFO L226 Difference]: Without dead ends: 7876 [2018-12-02 21:33:30,747 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1367 GetRequests, 1316 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 705 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=548, Invalid=2208, Unknown=0, NotChecked=0, Total=2756 [2018-12-02 21:33:30,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7876 states. [2018-12-02 21:33:30,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7876 to 7452. [2018-12-02 21:33:30,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7452 states. [2018-12-02 21:33:30,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7452 states to 7452 states and 8093 transitions. [2018-12-02 21:33:30,822 INFO L78 Accepts]: Start accepts. Automaton has 7452 states and 8093 transitions. Word has length 1292 [2018-12-02 21:33:30,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:33:30,823 INFO L480 AbstractCegarLoop]: Abstraction has 7452 states and 8093 transitions. [2018-12-02 21:33:30,823 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-12-02 21:33:30,823 INFO L276 IsEmpty]: Start isEmpty. Operand 7452 states and 8093 transitions. [2018-12-02 21:33:30,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1497 [2018-12-02 21:33:30,835 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:33:30,835 INFO L402 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:33:30,835 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:33:30,835 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:33:30,835 INFO L82 PathProgramCache]: Analyzing trace with hash -962469324, now seen corresponding path program 1 times [2018-12-02 21:33:30,836 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 21:33:30,836 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 21:33:30,836 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:33:30,836 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:33:30,836 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:33:30,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:33:32,996 INFO L134 CoverageAnalysis]: Checked inductivity of 6539 backedges. 1280 proven. 3191 refuted. 0 times theorem prover too weak. 2068 trivial. 0 not checked. [2018-12-02 21:33:32,997 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 21:33:32,997 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_68bbac42-6d98-47ac-8046-811187e893f8/bin-2019/uautomizer/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 21:33:33,003 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:33:33,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:33:33,151 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 21:33:33,702 INFO L134 CoverageAnalysis]: Checked inductivity of 6539 backedges. 3974 proven. 2 refuted. 0 times theorem prover too weak. 2563 trivial. 0 not checked. [2018-12-02 21:33:33,718 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-02 21:33:33,718 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 5] total 19 [2018-12-02 21:33:33,719 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-02 21:33:33,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-02 21:33:33,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=275, Unknown=0, NotChecked=0, Total=342 [2018-12-02 21:33:33,719 INFO L87 Difference]: Start difference. First operand 7452 states and 8093 transitions. Second operand 19 states. [2018-12-02 21:33:36,795 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 44 [2018-12-02 21:33:37,121 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 31 [2018-12-02 21:33:38,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:33:38,291 INFO L93 Difference]: Finished difference Result 15127 states and 17466 transitions. [2018-12-02 21:33:38,292 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-12-02 21:33:38,292 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 1496 [2018-12-02 21:33:38,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:33:38,306 INFO L225 Difference]: With dead ends: 15127 [2018-12-02 21:33:38,306 INFO L226 Difference]: Without dead ends: 7863 [2018-12-02 21:33:38,314 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1596 GetRequests, 1531 SyntacticMatches, 2 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1158 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=884, Invalid=3276, Unknown=0, NotChecked=0, Total=4160 [2018-12-02 21:33:38,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7863 states. [2018-12-02 21:33:38,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7863 to 7454. [2018-12-02 21:33:38,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7454 states. [2018-12-02 21:33:38,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7454 states to 7454 states and 8013 transitions. [2018-12-02 21:33:38,419 INFO L78 Accepts]: Start accepts. Automaton has 7454 states and 8013 transitions. Word has length 1496 [2018-12-02 21:33:38,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:33:38,420 INFO L480 AbstractCegarLoop]: Abstraction has 7454 states and 8013 transitions. [2018-12-02 21:33:38,420 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-02 21:33:38,420 INFO L276 IsEmpty]: Start isEmpty. Operand 7454 states and 8013 transitions. [2018-12-02 21:33:38,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1615 [2018-12-02 21:33:38,432 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:33:38,433 INFO L402 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 8, 8, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:33:38,433 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:33:38,433 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:33:38,433 INFO L82 PathProgramCache]: Analyzing trace with hash 1288405425, now seen corresponding path program 1 times [2018-12-02 21:33:38,433 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 21:33:38,433 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 21:33:38,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:33:38,434 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:33:38,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:33:38,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:33:40,177 INFO L134 CoverageAnalysis]: Checked inductivity of 7789 backedges. 1764 proven. 1159 refuted. 0 times theorem prover too weak. 4866 trivial. 0 not checked. [2018-12-02 21:33:40,177 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 21:33:40,177 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_68bbac42-6d98-47ac-8046-811187e893f8/bin-2019/uautomizer/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 21:33:40,183 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:33:40,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:33:40,342 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 21:33:41,070 INFO L134 CoverageAnalysis]: Checked inductivity of 7789 backedges. 2993 proven. 2 refuted. 0 times theorem prover too weak. 4794 trivial. 0 not checked. [2018-12-02 21:33:41,085 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-02 21:33:41,086 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 5] total 17 [2018-12-02 21:33:41,086 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-12-02 21:33:41,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-12-02 21:33:41,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2018-12-02 21:33:41,087 INFO L87 Difference]: Start difference. First operand 7454 states and 8013 transitions. Second operand 17 states. [2018-12-02 21:33:44,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:33:44,320 INFO L93 Difference]: Finished difference Result 14732 states and 15853 transitions. [2018-12-02 21:33:44,320 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-12-02 21:33:44,320 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 1614 [2018-12-02 21:33:44,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:33:44,329 INFO L225 Difference]: With dead ends: 14732 [2018-12-02 21:33:44,329 INFO L226 Difference]: Without dead ends: 7466 [2018-12-02 21:33:44,334 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1692 GetRequests, 1640 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 710 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=526, Invalid=2336, Unknown=0, NotChecked=0, Total=2862 [2018-12-02 21:33:44,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7466 states. [2018-12-02 21:33:44,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7466 to 7450. [2018-12-02 21:33:44,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7450 states. [2018-12-02 21:33:44,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7450 states to 7450 states and 7965 transitions. [2018-12-02 21:33:44,412 INFO L78 Accepts]: Start accepts. Automaton has 7450 states and 7965 transitions. Word has length 1614 [2018-12-02 21:33:44,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:33:44,412 INFO L480 AbstractCegarLoop]: Abstraction has 7450 states and 7965 transitions. [2018-12-02 21:33:44,412 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-12-02 21:33:44,413 INFO L276 IsEmpty]: Start isEmpty. Operand 7450 states and 7965 transitions. [2018-12-02 21:33:44,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1822 [2018-12-02 21:33:44,427 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:33:44,428 INFO L402 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 9, 9, 9, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:33:44,428 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:33:44,428 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:33:44,428 INFO L82 PathProgramCache]: Analyzing trace with hash 722821424, now seen corresponding path program 1 times [2018-12-02 21:33:44,428 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 21:33:44,428 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 21:33:44,429 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:33:44,429 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:33:44,429 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:33:44,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:33:45,592 INFO L134 CoverageAnalysis]: Checked inductivity of 10289 backedges. 1794 proven. 79 refuted. 0 times theorem prover too weak. 8416 trivial. 0 not checked. [2018-12-02 21:33:45,592 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 21:33:45,592 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_68bbac42-6d98-47ac-8046-811187e893f8/bin-2019/uautomizer/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 21:33:45,600 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:33:45,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:33:45,784 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 21:33:46,497 INFO L134 CoverageAnalysis]: Checked inductivity of 10289 backedges. 3213 proven. 2 refuted. 0 times theorem prover too weak. 7074 trivial. 0 not checked. [2018-12-02 21:33:46,513 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-02 21:33:46,513 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2018-12-02 21:33:46,514 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 21:33:46,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 21:33:46,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2018-12-02 21:33:46,514 INFO L87 Difference]: Start difference. First operand 7450 states and 7965 transitions. Second operand 10 states. [2018-12-02 21:33:47,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:33:47,552 INFO L93 Difference]: Finished difference Result 14726 states and 15750 transitions. [2018-12-02 21:33:47,552 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-02 21:33:47,552 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 1821 [2018-12-02 21:33:47,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:33:47,560 INFO L225 Difference]: With dead ends: 14726 [2018-12-02 21:33:47,560 INFO L226 Difference]: Without dead ends: 7464 [2018-12-02 21:33:47,565 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1850 GetRequests, 1829 SyntacticMatches, 3 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=111, Invalid=269, Unknown=0, NotChecked=0, Total=380 [2018-12-02 21:33:47,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7464 states. [2018-12-02 21:33:47,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7464 to 7086. [2018-12-02 21:33:47,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7086 states. [2018-12-02 21:33:47,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7086 states to 7086 states and 7520 transitions. [2018-12-02 21:33:47,641 INFO L78 Accepts]: Start accepts. Automaton has 7086 states and 7520 transitions. Word has length 1821 [2018-12-02 21:33:47,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:33:47,642 INFO L480 AbstractCegarLoop]: Abstraction has 7086 states and 7520 transitions. [2018-12-02 21:33:47,642 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 21:33:47,642 INFO L276 IsEmpty]: Start isEmpty. Operand 7086 states and 7520 transitions. [2018-12-02 21:33:47,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1832 [2018-12-02 21:33:47,658 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:33:47,658 INFO L402 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 9, 9, 8, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:33:47,658 INFO L423 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:33:47,659 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:33:47,659 INFO L82 PathProgramCache]: Analyzing trace with hash 1793687586, now seen corresponding path program 1 times [2018-12-02 21:33:47,659 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 21:33:47,659 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 21:33:47,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:33:47,659 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:33:47,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:33:47,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:33:50,060 INFO L134 CoverageAnalysis]: Checked inductivity of 10479 backedges. 2130 proven. 2489 refuted. 0 times theorem prover too weak. 5860 trivial. 0 not checked. [2018-12-02 21:33:50,061 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 21:33:50,061 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_68bbac42-6d98-47ac-8046-811187e893f8/bin-2019/uautomizer/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 21:33:50,067 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:33:50,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:33:50,251 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 21:33:51,082 INFO L134 CoverageAnalysis]: Checked inductivity of 10479 backedges. 4526 proven. 6 refuted. 0 times theorem prover too weak. 5947 trivial. 0 not checked. [2018-12-02 21:33:51,098 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-02 21:33:51,099 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 5] total 16 [2018-12-02 21:33:51,099 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-12-02 21:33:51,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-12-02 21:33:51,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2018-12-02 21:33:51,100 INFO L87 Difference]: Start difference. First operand 7086 states and 7520 transitions. Second operand 16 states. [2018-12-02 21:33:53,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:33:53,595 INFO L93 Difference]: Finished difference Result 14397 states and 15539 transitions. [2018-12-02 21:33:53,595 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-12-02 21:33:53,595 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 1831 [2018-12-02 21:33:53,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:33:53,605 INFO L225 Difference]: With dead ends: 14397 [2018-12-02 21:33:53,605 INFO L226 Difference]: Without dead ends: 7437 [2018-12-02 21:33:53,611 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1917 GetRequests, 1869 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 647 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=479, Invalid=1971, Unknown=0, NotChecked=0, Total=2450 [2018-12-02 21:33:53,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7437 states. [2018-12-02 21:33:53,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7437 to 7074. [2018-12-02 21:33:53,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7074 states. [2018-12-02 21:33:53,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7074 states to 7074 states and 7444 transitions. [2018-12-02 21:33:53,702 INFO L78 Accepts]: Start accepts. Automaton has 7074 states and 7444 transitions. Word has length 1831 [2018-12-02 21:33:53,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:33:53,703 INFO L480 AbstractCegarLoop]: Abstraction has 7074 states and 7444 transitions. [2018-12-02 21:33:53,703 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-12-02 21:33:53,703 INFO L276 IsEmpty]: Start isEmpty. Operand 7074 states and 7444 transitions. [2018-12-02 21:33:53,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1872 [2018-12-02 21:33:53,718 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:33:53,718 INFO L402 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 9, 8, 8, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:33:53,718 INFO L423 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:33:53,718 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:33:53,719 INFO L82 PathProgramCache]: Analyzing trace with hash -1327403292, now seen corresponding path program 1 times [2018-12-02 21:33:53,719 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 21:33:53,719 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 21:33:53,719 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:33:53,719 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:33:53,719 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:33:53,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:33:55,040 INFO L134 CoverageAnalysis]: Checked inductivity of 10464 backedges. 2262 proven. 501 refuted. 0 times theorem prover too weak. 7701 trivial. 0 not checked. [2018-12-02 21:33:55,041 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 21:33:55,041 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_68bbac42-6d98-47ac-8046-811187e893f8/bin-2019/uautomizer/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 21:33:55,047 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:33:55,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:33:55,228 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 21:33:56,020 INFO L134 CoverageAnalysis]: Checked inductivity of 10464 backedges. 4494 proven. 2 refuted. 0 times theorem prover too weak. 5968 trivial. 0 not checked. [2018-12-02 21:33:56,035 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-02 21:33:56,035 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2018-12-02 21:33:56,036 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-02 21:33:56,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-02 21:33:56,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-12-02 21:33:56,037 INFO L87 Difference]: Start difference. First operand 7074 states and 7444 transitions. Second operand 11 states. [2018-12-02 21:33:57,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:33:57,587 INFO L93 Difference]: Finished difference Result 14879 states and 15690 transitions. [2018-12-02 21:33:57,587 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-12-02 21:33:57,587 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 1871 [2018-12-02 21:33:57,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:33:57,592 INFO L225 Difference]: With dead ends: 14879 [2018-12-02 21:33:57,592 INFO L226 Difference]: Without dead ends: 4262 [2018-12-02 21:33:57,598 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1915 GetRequests, 1885 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 214 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=239, Invalid=691, Unknown=0, NotChecked=0, Total=930 [2018-12-02 21:33:57,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4262 states. [2018-12-02 21:33:57,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4262 to 4076. [2018-12-02 21:33:57,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4076 states. [2018-12-02 21:33:57,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4076 states to 4076 states and 4173 transitions. [2018-12-02 21:33:57,642 INFO L78 Accepts]: Start accepts. Automaton has 4076 states and 4173 transitions. Word has length 1871 [2018-12-02 21:33:57,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:33:57,642 INFO L480 AbstractCegarLoop]: Abstraction has 4076 states and 4173 transitions. [2018-12-02 21:33:57,642 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-02 21:33:57,642 INFO L276 IsEmpty]: Start isEmpty. Operand 4076 states and 4173 transitions. [2018-12-02 21:33:57,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1947 [2018-12-02 21:33:57,656 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:33:57,656 INFO L402 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 10, 10, 10, 9, 9, 9, 9, 8, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:33:57,656 INFO L423 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:33:57,657 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:33:57,657 INFO L82 PathProgramCache]: Analyzing trace with hash 798801568, now seen corresponding path program 1 times [2018-12-02 21:33:57,657 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 21:33:57,657 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 21:33:57,657 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:33:57,657 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:33:57,657 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:33:57,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:33:58,766 INFO L134 CoverageAnalysis]: Checked inductivity of 11897 backedges. 867 proven. 0 refuted. 0 times theorem prover too weak. 11030 trivial. 0 not checked. [2018-12-02 21:33:58,766 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 21:33:58,766 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 21:33:58,767 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 21:33:58,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 21:33:58,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-02 21:33:58,767 INFO L87 Difference]: Start difference. First operand 4076 states and 4173 transitions. Second operand 4 states. [2018-12-02 21:33:59,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:33:59,056 INFO L93 Difference]: Finished difference Result 4076 states and 4173 transitions. [2018-12-02 21:33:59,057 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 21:33:59,057 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1946 [2018-12-02 21:33:59,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:33:59,058 INFO L225 Difference]: With dead ends: 4076 [2018-12-02 21:33:59,058 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 21:33:59,060 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-02 21:33:59,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 21:33:59,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 21:33:59,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 21:33:59,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 21:33:59,061 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1946 [2018-12-02 21:33:59,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:33:59,061 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 21:33:59,061 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 21:33:59,061 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 21:33:59,061 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 21:33:59,066 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 21:33:59,122 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:33:59,141 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:33:59,143 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:33:59,145 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:33:59,225 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:33:59,229 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:33:59,282 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:33:59,361 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:33:59,364 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:33:59,414 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:33:59,415 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:34:00,767 WARN L180 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 897 DAG size of output: 845 [2018-12-02 21:34:00,773 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:34:00,841 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:34:00,844 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:34:00,887 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:34:00,888 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:34:02,207 WARN L180 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 897 DAG size of output: 845 [2018-12-02 21:34:03,819 WARN L180 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 353 DAG size of output: 107 [2018-12-02 21:34:11,368 WARN L180 SmtUtils]: Spent 7.54 s on a formula simplification. DAG size of input: 863 DAG size of output: 97 [2018-12-02 21:34:17,040 WARN L180 SmtUtils]: Spent 5.67 s on a formula simplification. DAG size of input: 863 DAG size of output: 97 [2018-12-02 21:34:17,042 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 21:34:17,042 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (= |old(~a15~0)| ~a15~0)) [2018-12-02 21:34:17,042 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 21:34:17,042 INFO L448 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2018-12-02 21:34:17,042 INFO L448 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2018-12-02 21:34:17,042 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 21:34:17,042 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 21:34:17,042 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 21:34:17,042 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2018-12-02 21:34:17,042 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-12-02 21:34:17,042 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-12-02 21:34:17,042 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-12-02 21:34:17,042 INFO L448 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2018-12-02 21:34:17,042 INFO L448 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2018-12-02 21:34:17,042 INFO L448 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2018-12-02 21:34:17,042 INFO L448 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2018-12-02 21:34:17,042 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 21:34:17,042 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 21:34:17,042 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 21:34:17,043 INFO L448 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2018-12-02 21:34:17,043 INFO L448 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2018-12-02 21:34:17,043 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-12-02 21:34:17,043 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-12-02 21:34:17,043 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-12-02 21:34:17,043 INFO L448 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2018-12-02 21:34:17,043 INFO L448 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2018-12-02 21:34:17,043 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2018-12-02 21:34:17,043 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 21:34:17,043 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 21:34:17,043 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 21:34:17,043 INFO L448 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2018-12-02 21:34:17,043 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-12-02 21:34:17,043 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-12-02 21:34:17,043 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-12-02 21:34:17,043 INFO L448 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2018-12-02 21:34:17,043 INFO L448 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2018-12-02 21:34:17,043 INFO L448 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2018-12-02 21:34:17,043 INFO L448 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2018-12-02 21:34:17,043 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2018-12-02 21:34:17,043 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 21:34:17,043 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 21:34:17,043 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 21:34:17,043 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2018-12-02 21:34:17,043 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-12-02 21:34:17,044 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-12-02 21:34:17,044 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-12-02 21:34:17,044 INFO L448 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2018-12-02 21:34:17,044 INFO L448 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2018-12-02 21:34:17,044 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2018-12-02 21:34:17,044 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 21:34:17,044 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 21:34:17,044 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 21:34:17,044 INFO L448 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2018-12-02 21:34:17,044 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-12-02 21:34:17,044 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-12-02 21:34:17,044 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-12-02 21:34:17,044 INFO L448 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2018-12-02 21:34:17,044 INFO L448 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2018-12-02 21:34:17,044 INFO L448 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2018-12-02 21:34:17,044 INFO L448 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2018-12-02 21:34:17,044 INFO L448 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2018-12-02 21:34:17,044 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 21:34:17,045 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 21:34:17,045 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 21:34:17,045 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2018-12-02 21:34:17,045 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2018-12-02 21:34:17,045 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-12-02 21:34:17,045 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-12-02 21:34:17,045 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-12-02 21:34:17,045 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2018-12-02 21:34:17,045 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2018-12-02 21:34:17,045 INFO L448 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2018-12-02 21:34:17,045 INFO L448 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2018-12-02 21:34:17,045 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 21:34:17,045 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 21:34:17,045 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 21:34:17,045 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-12-02 21:34:17,046 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-12-02 21:34:17,046 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-12-02 21:34:17,046 INFO L448 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2018-12-02 21:34:17,046 INFO L448 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2018-12-02 21:34:17,046 INFO L448 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2018-12-02 21:34:17,046 INFO L448 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2018-12-02 21:34:17,046 INFO L448 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2018-12-02 21:34:17,046 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 21:34:17,046 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 21:34:17,046 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 21:34:17,046 INFO L448 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2018-12-02 21:34:17,046 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2018-12-02 21:34:17,046 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-12-02 21:34:17,046 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-12-02 21:34:17,046 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-12-02 21:34:17,047 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2018-12-02 21:34:17,047 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse14 (= 8 |old(~a21~0)|)) (.cse19 (= ~a24~0 |old(~a24~0)|)) (.cse13 (= 7 |old(~a21~0)|)) (.cse15 (= 10 |old(~a21~0)|)) (.cse20 (= ~a21~0 |old(~a21~0)|)) (.cse17 (= ~a12~0 |old(~a12~0)|)) (.cse18 (= |old(~a15~0)| ~a15~0)) (.cse21 (= 1 ~a24~0))) (let ((.cse5 (not (= 6 |old(~a21~0)|))) (.cse12 (= 5 |old(~a15~0)|)) (.cse1 (and .cse17 .cse18 .cse21 (= 10 ~a21~0))) (.cse6 (and .cse17 .cse20 .cse18 .cse21)) (.cse4 (< 7 |old(~a15~0)|)) (.cse0 (not .cse15)) (.cse16 (not .cse13)) (.cse11 (and .cse17 .cse20 .cse21 (= 8 ~a15~0))) (.cse3 (< 11 |old(~a12~0)|)) (.cse7 (and (and .cse17 (not (= ~a15~0 9)) .cse19 .cse18) (= ~a21~0 8))) (.cse2 (not (= 1 |old(~a24~0)|))) (.cse10 (not (= 8 |old(~a15~0)|))) (.cse8 (< 73282 |old(~a12~0)|)) (.cse9 (not .cse14))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse2 .cse6 .cse4) (or .cse7 .cse2 .cse8 .cse4 .cse9) (or .cse5 .cse2 .cse10 .cse11) (or .cse12 .cse13 .cse2 .cse6 .cse14 .cse4 .cse15) (or .cse6 (or (< 0 (+ |old(~a12~0)| 43)) .cse2) .cse10) (or (or (not (= 9 |old(~a21~0)|)) .cse10) (< 76 |old(~a12~0)|) .cse11 .cse2) (or .cse16 (and (and .cse17 (= 7 ~a21~0) .cse18) .cse19) .cse2 (< 72 |old(~a12~0)|) .cse4 (<= |old(~a12~0)| 18)) (or .cse5 (< 0 (+ |old(~a12~0)| 49)) (and .cse17 .cse19 .cse20 .cse18) .cse4) (or .cse0 .cse2 (not .cse12) .cse8 .cse1) (or (and .cse17 .cse20 .cse21 (= 9 ~a15~0)) (not (= 9 |old(~a15~0)|)) .cse2) (or .cse2 (not (= 7 |old(~a15~0)|)) (and .cse17 .cse20 (= 7 ~a15~0) .cse21)) (or (< 78 |old(~a12~0)|) .cse6 .cse13 .cse2 .cse4 .cse15) (or (or .cse0 .cse2 .cse10) .cse11) (or .cse16 .cse11 .cse2 .cse3 .cse10) (or .cse7 .cse2 .cse10 .cse8 .cse9)))) [2018-12-02 21:34:17,047 INFO L448 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2018-12-02 21:34:17,047 INFO L448 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2018-12-02 21:34:17,047 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 21:34:17,047 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 21:34:17,047 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 21:34:17,047 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-12-02 21:34:17,047 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-12-02 21:34:17,047 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-12-02 21:34:17,048 INFO L448 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2018-12-02 21:34:17,048 INFO L448 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2018-12-02 21:34:17,048 INFO L448 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2018-12-02 21:34:17,048 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2018-12-02 21:34:17,048 INFO L448 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2018-12-02 21:34:17,048 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 21:34:17,048 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 21:34:17,048 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 21:34:17,048 INFO L448 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2018-12-02 21:34:17,048 INFO L448 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2018-12-02 21:34:17,048 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-12-02 21:34:17,048 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-02 21:34:17,048 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-12-02 21:34:17,048 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2018-12-02 21:34:17,048 INFO L448 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2018-12-02 21:34:17,049 INFO L448 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2018-12-02 21:34:17,049 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 21:34:17,049 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 21:34:17,049 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 21:34:17,049 INFO L448 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2018-12-02 21:34:17,049 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-12-02 21:34:17,049 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-12-02 21:34:17,049 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-12-02 21:34:17,049 INFO L448 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2018-12-02 21:34:17,049 INFO L448 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2018-12-02 21:34:17,049 INFO L448 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2018-12-02 21:34:17,049 INFO L448 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2018-12-02 21:34:17,049 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 21:34:17,049 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 21:34:17,049 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 21:34:17,049 INFO L448 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2018-12-02 21:34:17,049 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-12-02 21:34:17,049 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-12-02 21:34:17,049 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-12-02 21:34:17,049 INFO L448 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2018-12-02 21:34:17,049 INFO L448 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2018-12-02 21:34:17,049 INFO L448 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2018-12-02 21:34:17,050 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2018-12-02 21:34:17,050 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 21:34:17,050 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 21:34:17,050 INFO L448 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2018-12-02 21:34:17,050 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-02 21:34:17,050 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-12-02 21:34:17,050 INFO L448 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2018-12-02 21:34:17,050 INFO L448 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2018-12-02 21:34:17,050 INFO L448 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2018-12-02 21:34:17,050 INFO L448 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2018-12-02 21:34:17,050 INFO L448 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2018-12-02 21:34:17,050 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 21:34:17,050 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 21:34:17,050 INFO L448 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2018-12-02 21:34:17,050 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-12-02 21:34:17,050 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-12-02 21:34:17,050 INFO L448 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2018-12-02 21:34:17,050 INFO L448 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2018-12-02 21:34:17,050 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2018-12-02 21:34:17,050 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 21:34:17,050 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 21:34:17,051 INFO L448 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2018-12-02 21:34:17,051 INFO L448 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2018-12-02 21:34:17,051 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-12-02 21:34:17,051 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-12-02 21:34:17,051 INFO L448 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2018-12-02 21:34:17,051 INFO L448 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2018-12-02 21:34:17,051 INFO L448 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2018-12-02 21:34:17,051 INFO L448 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2018-12-02 21:34:17,051 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 21:34:17,051 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 21:34:17,051 INFO L448 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2018-12-02 21:34:17,051 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2018-12-02 21:34:17,051 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-12-02 21:34:17,051 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-12-02 21:34:17,051 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2018-12-02 21:34:17,051 INFO L448 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2018-12-02 21:34:17,051 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2018-12-02 21:34:17,051 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 21:34:17,051 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 21:34:17,052 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2018-12-02 21:34:17,052 INFO L448 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2018-12-02 21:34:17,052 INFO L448 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2018-12-02 21:34:17,052 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-12-02 21:34:17,052 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-12-02 21:34:17,052 INFO L448 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2018-12-02 21:34:17,052 INFO L448 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2018-12-02 21:34:17,052 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 21:34:17,052 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 21:34:17,052 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-12-02 21:34:17,052 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2018-12-02 21:34:17,052 INFO L448 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2018-12-02 21:34:17,052 INFO L448 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2018-12-02 21:34:17,052 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2018-12-02 21:34:17,052 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-02 21:34:17,052 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-12-02 21:34:17,052 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-12-02 21:34:17,052 INFO L448 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2018-12-02 21:34:17,052 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2018-12-02 21:34:17,052 INFO L448 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2018-12-02 21:34:17,053 INFO L448 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2018-12-02 21:34:17,053 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 21:34:17,053 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 21:34:17,053 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 21:34:17,053 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2018-12-02 21:34:17,053 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-12-02 21:34:17,053 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-12-02 21:34:17,053 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-12-02 21:34:17,053 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2018-12-02 21:34:17,053 INFO L448 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2018-12-02 21:34:17,053 INFO L448 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2018-12-02 21:34:17,053 INFO L448 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2018-12-02 21:34:17,053 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 21:34:17,053 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 21:34:17,053 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 21:34:17,053 INFO L448 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2018-12-02 21:34:17,053 INFO L448 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2018-12-02 21:34:17,053 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-12-02 21:34:17,053 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-12-02 21:34:17,054 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-12-02 21:34:17,054 INFO L448 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2018-12-02 21:34:17,054 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2018-12-02 21:34:17,054 INFO L448 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2018-12-02 21:34:17,054 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 21:34:17,054 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 21:34:17,054 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 21:34:17,054 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2018-12-02 21:34:17,054 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-12-02 21:34:17,054 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-12-02 21:34:17,054 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-12-02 21:34:17,054 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2018-12-02 21:34:17,054 INFO L448 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2018-12-02 21:34:17,054 INFO L448 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2018-12-02 21:34:17,054 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 172) no Hoare annotation was computed. [2018-12-02 21:34:17,054 INFO L448 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2018-12-02 21:34:17,054 INFO L448 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2018-12-02 21:34:17,054 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 21:34:17,055 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 21:34:17,055 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2018-12-02 21:34:17,055 INFO L448 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2018-12-02 21:34:17,055 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-12-02 21:34:17,055 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-12-02 21:34:17,055 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-12-02 21:34:17,055 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2018-12-02 21:34:17,055 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 21:34:17,055 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 7 ~a21~0) (= 1 ~a24~0) (= 8 ~a15~0) (<= (+ ~a12~0 49) 0)) [2018-12-02 21:34:17,055 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 21:34:17,055 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 21:34:17,055 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (< 0 (+ |old(~a12~0)| 49)) (not (= 8 |old(~a15~0)|)) (not (= 7 |old(~a21~0)|)) (not (= 1 |old(~a24~0)|)) (and (= ~a12~0 |old(~a12~0)|) (= ~a21~0 |old(~a21~0)|) (= 1 ~a24~0) (= 8 ~a15~0))) [2018-12-02 21:34:17,055 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2018-12-02 21:34:17,056 INFO L444 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (let ((.cse0 (= 6 ~a21~0)) (.cse11 (<= ~a12~0 73282)) (.cse3 (= 1 ~a24~0)) (.cse9 (= ~a21~0 8))) (let ((.cse5 (and .cse11 (and .cse3 (not (= ~a15~0 9))) .cse9)) (.cse4 (and .cse0 .cse3)) (.cse8 (= 5 ~a15~0)) (.cse7 (not (= 10 ~a21~0))) (.cse6 (= ~a15~0 |old(~a15~0)|)) (.cse12 (= ~a21~0 10)) (.cse1 (<= ~a15~0 7)) (.cse2 (= ~a24~0 |old(~a24~0)|)) (.cse13 (<= ~a12~0 11)) (.cse10 (not (= ~a21~0 7)))) (or (not (= 8 |old(~a15~0)|)) (and .cse0 (<= (+ ~a12~0 49) 0) .cse1) (and .cse2 (= 7 ~a15~0)) (and .cse3 (= 9 ~a15~0)) (and .cse4 .cse1) (and .cse1 .cse5) (and .cse6 .cse5) (not (= 7 |old(~a21~0)|)) (and .cse1 (and (and .cse7 .cse2 (not .cse8)) (not .cse9) .cse10)) (and .cse4 .cse6) (and (and .cse11 (and .cse3 .cse12)) .cse8) (< 0 (+ |old(~a12~0)| 49)) (and (and (and .cse3 (= 7 ~a21~0)) .cse13) .cse6) (and (<= ~a12~0 78) .cse1 (and (and .cse7 .cse2) .cse10)) (and (and (<= ~a21~0 7) (< 18 ~a12~0) .cse2 (<= ~a12~0 72)) .cse1) (and (and (<= ~a12~0 76) .cse3 (= 9 ~a21~0)) .cse6) (and (and .cse2 (<= (+ ~a12~0 43) 0)) .cse6) (and .cse2 .cse12 (= 8 ~a15~0)) (not (= 1 |old(~a24~0)|)) (and .cse1 (and .cse2 .cse13 .cse10))))) [2018-12-02 21:34:17,056 INFO L448 ceAbstractionStarter]: For program point L888-1(line 888) no Hoare annotation was computed. [2018-12-02 21:34:17,056 INFO L448 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2018-12-02 21:34:17,056 INFO L444 ceAbstractionStarter]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse0 (= 6 ~a21~0)) (.cse11 (<= ~a12~0 73282)) (.cse3 (= 1 ~a24~0)) (.cse9 (= ~a21~0 8))) (let ((.cse5 (and .cse11 (and .cse3 (not (= ~a15~0 9))) .cse9)) (.cse4 (and .cse0 .cse3)) (.cse8 (= 5 ~a15~0)) (.cse7 (not (= 10 ~a21~0))) (.cse6 (= ~a15~0 |old(~a15~0)|)) (.cse12 (= ~a21~0 10)) (.cse1 (<= ~a15~0 7)) (.cse2 (= ~a24~0 |old(~a24~0)|)) (.cse13 (<= ~a12~0 11)) (.cse10 (not (= ~a21~0 7)))) (or (not (= 8 |old(~a15~0)|)) (and .cse0 (<= (+ ~a12~0 49) 0) .cse1) (and .cse2 (= 7 ~a15~0)) (and .cse3 (= 9 ~a15~0)) (and .cse4 .cse1) (and .cse1 .cse5) (and .cse6 .cse5) (not (= 7 |old(~a21~0)|)) (and .cse1 (and (and .cse7 .cse2 (not .cse8)) (not .cse9) .cse10)) (and .cse4 .cse6) (and (and .cse11 (and .cse3 .cse12)) .cse8) (< 0 (+ |old(~a12~0)| 49)) (and (and (and .cse3 (= 7 ~a21~0)) .cse13) .cse6) (and (<= ~a12~0 78) .cse1 (and (and .cse7 .cse2) .cse10)) (and (and (<= ~a21~0 7) (< 18 ~a12~0) .cse2 (<= ~a12~0 72)) .cse1) (and (and (<= ~a12~0 76) .cse3 (= 9 ~a21~0)) .cse6) (and (and .cse2 (<= (+ ~a12~0 43) 0)) .cse6) (and .cse2 .cse12 (= 8 ~a15~0)) (not (= 1 |old(~a24~0)|)) (and .cse1 (and .cse2 .cse13 .cse10))))) [2018-12-02 21:34:17,056 INFO L448 ceAbstractionStarter]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2018-12-02 21:34:17,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 09:34:17 BoogieIcfgContainer [2018-12-02 21:34:17,070 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 21:34:17,071 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 21:34:17,071 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 21:34:17,071 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 21:34:17,072 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:32:56" (3/4) ... [2018-12-02 21:34:17,075 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 21:34:17,082 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 21:34:17,082 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-02 21:34:17,083 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 21:34:17,094 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-02 21:34:17,095 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-02 21:34:17,121 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((!(8 == \old(a15)) || ((6 == a21 && a12 + 49 <= 0) && a15 <= 7)) || (a24 == \old(a24) && 7 == a15)) || (1 == a24 && 9 == a15)) || ((6 == a21 && 1 == a24) && a15 <= 7)) || (a15 <= 7 && (a12 <= 73282 && 1 == a24 && !(a15 == 9)) && a21 == 8)) || (a15 == \old(a15) && (a12 <= 73282 && 1 == a24 && !(a15 == 9)) && a21 == 8)) || !(7 == \old(a21))) || (a15 <= 7 && (((!(10 == a21) && a24 == \old(a24)) && !(5 == a15)) && !(a21 == 8)) && !(a21 == 7))) || ((6 == a21 && 1 == a24) && a15 == \old(a15))) || ((a12 <= 73282 && 1 == a24 && a21 == 10) && 5 == a15)) || 0 < \old(a12) + 49) || (((1 == a24 && 7 == a21) && a12 <= 11) && a15 == \old(a15))) || ((a12 <= 78 && a15 <= 7) && (!(10 == a21) && a24 == \old(a24)) && !(a21 == 7))) || ((((a21 <= 7 && 18 < a12) && a24 == \old(a24)) && a12 <= 72) && a15 <= 7)) || (((a12 <= 76 && 1 == a24) && 9 == a21) && a15 == \old(a15))) || ((a24 == \old(a24) && a12 + 43 <= 0) && a15 == \old(a15))) || ((a24 == \old(a24) && a21 == 10) && 8 == a15)) || !(1 == \old(a24))) || (a15 <= 7 && (a24 == \old(a24) && a12 <= 11) && !(a21 == 7)) [2018-12-02 21:34:17,202 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_68bbac42-6d98-47ac-8046-811187e893f8/bin-2019/uautomizer/witness.graphml [2018-12-02 21:34:17,203 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 21:34:17,203 INFO L168 Benchmark]: Toolchain (without parser) took 81615.45 ms. Allocated memory was 1.0 GB in the beginning and 5.0 GB in the end (delta: 4.0 GB). Free memory was 946.3 MB in the beginning and 806.2 MB in the end (delta: 140.1 MB). Peak memory consumption was 4.1 GB. Max. memory is 11.5 GB. [2018-12-02 21:34:17,204 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 21:34:17,204 INFO L168 Benchmark]: CACSL2BoogieTranslator took 325.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -186.3 MB). Peak memory consumption was 42.0 MB. Max. memory is 11.5 GB. [2018-12-02 21:34:17,204 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 11.5 GB. [2018-12-02 21:34:17,204 INFO L168 Benchmark]: Boogie Preprocessor took 44.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-12-02 21:34:17,204 INFO L168 Benchmark]: RCFGBuilder took 729.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 991.1 MB in the end (delta: 127.9 MB). Peak memory consumption was 127.9 MB. Max. memory is 11.5 GB. [2018-12-02 21:34:17,204 INFO L168 Benchmark]: TraceAbstraction took 80359.67 ms. Allocated memory was 1.2 GB in the beginning and 5.0 GB in the end (delta: 3.9 GB). Free memory was 991.1 MB in the beginning and 889.3 MB in the end (delta: 101.8 MB). Peak memory consumption was 4.0 GB. Max. memory is 11.5 GB. [2018-12-02 21:34:17,205 INFO L168 Benchmark]: Witness Printer took 131.87 ms. Allocated memory is still 5.0 GB. Free memory was 889.3 MB in the beginning and 806.2 MB in the end (delta: 83.1 MB). Peak memory consumption was 83.1 MB. Max. memory is 11.5 GB. [2018-12-02 21:34:17,206 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 325.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -186.3 MB). Peak memory consumption was 42.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 729.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 991.1 MB in the end (delta: 127.9 MB). Peak memory consumption was 127.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 80359.67 ms. Allocated memory was 1.2 GB in the beginning and 5.0 GB in the end (delta: 3.9 GB). Free memory was 991.1 MB in the beginning and 889.3 MB in the end (delta: 101.8 MB). Peak memory consumption was 4.0 GB. Max. memory is 11.5 GB. * Witness Printer took 131.87 ms. Allocated memory is still 5.0 GB. Free memory was 889.3 MB in the beginning and 806.2 MB in the end (delta: 83.1 MB). Peak memory consumption was 83.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 172]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: ((((((((((((((((((!(8 == \old(a15)) || ((6 == a21 && a12 + 49 <= 0) && a15 <= 7)) || (a24 == \old(a24) && 7 == a15)) || (1 == a24 && 9 == a15)) || ((6 == a21 && 1 == a24) && a15 <= 7)) || (a15 <= 7 && (a12 <= 73282 && 1 == a24 && !(a15 == 9)) && a21 == 8)) || (a15 == \old(a15) && (a12 <= 73282 && 1 == a24 && !(a15 == 9)) && a21 == 8)) || !(7 == \old(a21))) || (a15 <= 7 && (((!(10 == a21) && a24 == \old(a24)) && !(5 == a15)) && !(a21 == 8)) && !(a21 == 7))) || ((6 == a21 && 1 == a24) && a15 == \old(a15))) || ((a12 <= 73282 && 1 == a24 && a21 == 10) && 5 == a15)) || 0 < \old(a12) + 49) || (((1 == a24 && 7 == a21) && a12 <= 11) && a15 == \old(a15))) || ((a12 <= 78 && a15 <= 7) && (!(10 == a21) && a24 == \old(a24)) && !(a21 == 7))) || ((((a21 <= 7 && 18 < a12) && a24 == \old(a24)) && a12 <= 72) && a15 <= 7)) || (((a12 <= 76 && 1 == a24) && 9 == a21) && a15 == \old(a15))) || ((a24 == \old(a24) && a12 + 43 <= 0) && a15 == \old(a15))) || ((a24 == \old(a24) && a21 == 10) && 8 == a15)) || !(1 == \old(a24))) || (a15 <= 7 && (a24 == \old(a24) && a12 <= 11) && !(a21 == 7)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. SAFE Result, 80.2s OverallTime, 19 OverallIterations, 16 TraceHistogramMax, 36.0s AutomataDifference, 0.0s DeadEndRemovalTime, 17.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 644 SDtfs, 26307 SDslu, 1981 SDs, 0 SdLazy, 40451 SolverSat, 7358 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 20.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16994 GetRequests, 16467 SyntacticMatches, 19 SemanticMatches, 508 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7547 ImplicationChecksByTransitivity, 11.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8002occurred in iteration=12, 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: 1.1s AutomataMinimizationTime, 19 MinimizatonAttempts, 5284 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 505 PreInvPairs, 607 NumberOfFragments, 1032 HoareAnnotationTreeSize, 505 FomulaSimplifications, 122084355 FormulaSimplificationTreeSizeReduction, 3.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 24876146 FormulaSimplificationTreeSizeReductionInter, 14.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.5s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 10.1s InterpolantComputationTime, 35062 NumberOfCodeBlocks, 35062 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 35029 ConstructedInterpolants, 0 QuantifiedInterpolants, 120413591 SizeOfPredicates, 10 NumberOfNonLiveVariables, 22359 ConjunctsInSsa, 117 ConjunctsInUnsatCore, 33 InterpolantComputations, 6 PerfectInterpolantSequences, 133729/144960 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...