./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label12_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6d560cda-433d-4af6-9458-10f87d9da979/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6d560cda-433d-4af6-9458-10f87d9da979/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6d560cda-433d-4af6-9458-10f87d9da979/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6d560cda-433d-4af6-9458-10f87d9da979/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label12_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6d560cda-433d-4af6-9458-10f87d9da979/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6d560cda-433d-4af6-9458-10f87d9da979/bin-2019/ukojak --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 14ae8eb2d33b1f0bf446cd99369ade126e9422a8 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 14:06:26,891 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 14:06:26,892 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 14:06:26,899 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 14:06:26,899 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 14:06:26,900 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 14:06:26,900 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 14:06:26,902 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 14:06:26,903 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 14:06:26,903 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 14:06:26,904 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 14:06:26,904 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 14:06:26,905 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 14:06:26,905 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 14:06:26,906 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 14:06:26,906 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 14:06:26,906 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 14:06:26,908 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 14:06:26,909 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 14:06:26,910 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 14:06:26,910 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 14:06:26,911 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 14:06:26,912 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 14:06:26,912 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 14:06:26,912 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 14:06:26,912 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 14:06:26,913 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 14:06:26,913 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 14:06:26,914 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 14:06:26,914 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 14:06:26,914 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 14:06:26,915 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 14:06:26,915 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 14:06:26,915 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 14:06:26,915 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 14:06:26,916 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 14:06:26,916 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6d560cda-433d-4af6-9458-10f87d9da979/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 14:06:26,924 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 14:06:26,924 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 14:06:26,925 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 14:06:26,925 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 14:06:26,925 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 14:06:26,925 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 14:06:26,925 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 14:06:26,925 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 14:06:26,925 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 14:06:26,925 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 14:06:26,926 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 14:06:26,926 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 14:06:26,926 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 14:06:26,926 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 14:06:26,926 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 14:06:26,926 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 14:06:26,926 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 14:06:26,927 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 14:06:26,927 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 14:06:26,927 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 14:06:26,927 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 14:06:26,927 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 14:06:26,927 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 14:06:26,927 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 14:06:26,928 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 14:06:26,928 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 14:06:26,928 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 14:06:26,928 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 14:06:26,928 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 14:06:26,928 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_6d560cda-433d-4af6-9458-10f87d9da979/bin-2019/ukojak 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 -> Kojak 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 -> 14ae8eb2d33b1f0bf446cd99369ade126e9422a8 [2018-11-23 14:06:26,952 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 14:06:26,961 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 14:06:26,964 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 14:06:26,965 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 14:06:26,965 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 14:06:26,966 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6d560cda-433d-4af6-9458-10f87d9da979/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label12_true-unreach-call_false-termination.c [2018-11-23 14:06:27,008 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6d560cda-433d-4af6-9458-10f87d9da979/bin-2019/ukojak/data/2a2f9aa11/1e28f2d8752443fd922f033118badb78/FLAG67d591615 [2018-11-23 14:06:27,454 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 14:06:27,455 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6d560cda-433d-4af6-9458-10f87d9da979/sv-benchmarks/c/eca-rers2012/Problem01_label12_true-unreach-call_false-termination.c [2018-11-23 14:06:27,464 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6d560cda-433d-4af6-9458-10f87d9da979/bin-2019/ukojak/data/2a2f9aa11/1e28f2d8752443fd922f033118badb78/FLAG67d591615 [2018-11-23 14:06:27,477 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6d560cda-433d-4af6-9458-10f87d9da979/bin-2019/ukojak/data/2a2f9aa11/1e28f2d8752443fd922f033118badb78 [2018-11-23 14:06:27,479 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 14:06:27,481 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 14:06:27,481 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 14:06:27,481 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 14:06:27,484 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 14:06:27,485 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:06:27" (1/1) ... [2018-11-23 14:06:27,487 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22877cf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:27, skipping insertion in model container [2018-11-23 14:06:27,487 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:06:27" (1/1) ... [2018-11-23 14:06:27,492 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 14:06:27,527 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 14:06:27,770 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 14:06:27,774 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 14:06:27,839 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 14:06:27,849 INFO L195 MainTranslator]: Completed translation [2018-11-23 14:06:27,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:27 WrapperNode [2018-11-23 14:06:27,849 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 14:06:27,850 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 14:06:27,850 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 14:06:27,850 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 14:06:27,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:27" (1/1) ... [2018-11-23 14:06:27,924 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:27" (1/1) ... [2018-11-23 14:06:27,958 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 14:06:27,959 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 14:06:27,959 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 14:06:27,959 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 14:06:27,968 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:27" (1/1) ... [2018-11-23 14:06:27,969 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:27" (1/1) ... [2018-11-23 14:06:27,971 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:27" (1/1) ... [2018-11-23 14:06:27,972 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:27" (1/1) ... [2018-11-23 14:06:27,987 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:27" (1/1) ... [2018-11-23 14:06:27,995 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:27" (1/1) ... [2018-11-23 14:06:27,999 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:27" (1/1) ... [2018-11-23 14:06:28,004 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 14:06:28,005 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 14:06:28,005 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 14:06:28,005 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 14:06:28,006 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6d560cda-433d-4af6-9458-10f87d9da979/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2018-11-23 14:06:28,075 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 14:06:28,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 14:06:28,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 14:06:29,331 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 14:06:29,331 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 14:06:29,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:06:29 BoogieIcfgContainer [2018-11-23 14:06:29,331 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 14:06:29,332 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 14:06:29,332 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 14:06:29,339 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 14:06:29,340 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:06:29" (1/1) ... [2018-11-23 14:06:29,349 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:06:29,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:29,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2018-11-23 14:06:29,375 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2018-11-23 14:06:29,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-23 14:06:29,378 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:29,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:29,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:06:29,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:29,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 145 states and 221 transitions. [2018-11-23 14:06:29,993 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 221 transitions. [2018-11-23 14:06:29,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-23 14:06:29,995 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:30,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:30,068 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:06:30,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:30,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 149 states and 226 transitions. [2018-11-23 14:06:30,192 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 226 transitions. [2018-11-23 14:06:30,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-23 14:06:30,193 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:30,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:30,236 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:06:30,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:30,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 154 states and 236 transitions. [2018-11-23 14:06:30,330 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 236 transitions. [2018-11-23 14:06:30,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-23 14:06:30,332 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:30,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:30,409 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:06:30,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:30,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 224 states and 321 transitions. [2018-11-23 14:06:30,785 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 321 transitions. [2018-11-23 14:06:30,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-11-23 14:06:30,787 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:30,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:30,933 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:06:31,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:31,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 234 states and 337 transitions. [2018-11-23 14:06:31,238 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 337 transitions. [2018-11-23 14:06:31,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-23 14:06:31,242 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:31,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:31,293 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 14:06:31,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:31,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 245 states and 356 transitions. [2018-11-23 14:06:31,732 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 356 transitions. [2018-11-23 14:06:31,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-23 14:06:31,733 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:31,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:31,764 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 14:06:31,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:31,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 248 states and 359 transitions. [2018-11-23 14:06:31,867 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 359 transitions. [2018-11-23 14:06:31,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-23 14:06:31,868 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:31,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:31,893 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 14:06:31,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:31,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 250 states and 361 transitions. [2018-11-23 14:06:31,988 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 361 transitions. [2018-11-23 14:06:31,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-23 14:06:31,989 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:31,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:32,011 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 14:06:32,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:32,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 253 states and 364 transitions. [2018-11-23 14:06:32,108 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 364 transitions. [2018-11-23 14:06:32,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-23 14:06:32,109 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:32,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:32,135 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 14:06:32,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:32,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 264 states and 377 transitions. [2018-11-23 14:06:32,262 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 377 transitions. [2018-11-23 14:06:32,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-23 14:06:32,263 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:32,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:32,300 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 14:06:32,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:32,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 270 states and 386 transitions. [2018-11-23 14:06:32,625 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 386 transitions. [2018-11-23 14:06:32,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-23 14:06:32,626 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:32,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:32,649 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 14:06:32,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:32,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 273 states and 391 transitions. [2018-11-23 14:06:32,740 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 391 transitions. [2018-11-23 14:06:32,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-23 14:06:32,741 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:32,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:32,759 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 14:06:32,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:32,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 275 states and 393 transitions. [2018-11-23 14:06:32,791 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 393 transitions. [2018-11-23 14:06:32,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-23 14:06:32,791 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:32,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:32,860 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 14:06:32,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:32,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 283 states and 402 transitions. [2018-11-23 14:06:32,966 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 402 transitions. [2018-11-23 14:06:32,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-23 14:06:32,966 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:32,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:33,058 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 14:06:33,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:33,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 288 states and 408 transitions. [2018-11-23 14:06:33,372 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 408 transitions. [2018-11-23 14:06:33,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-11-23 14:06:33,372 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:33,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:33,435 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 14:06:33,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:33,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 301 states and 429 transitions. [2018-11-23 14:06:33,992 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 429 transitions. [2018-11-23 14:06:33,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-11-23 14:06:33,993 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:34,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:34,036 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 14:06:34,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:34,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 306 states and 435 transitions. [2018-11-23 14:06:34,270 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 435 transitions. [2018-11-23 14:06:34,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-11-23 14:06:34,270 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:34,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:34,290 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 14:06:34,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:34,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 309 states and 438 transitions. [2018-11-23 14:06:34,413 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 438 transitions. [2018-11-23 14:06:34,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-11-23 14:06:34,414 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:34,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:34,432 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:06:34,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:34,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 328 states and 459 transitions. [2018-11-23 14:06:34,686 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 459 transitions. [2018-11-23 14:06:34,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-23 14:06:34,687 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:34,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:34,709 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 14:06:34,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:34,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 345 states and 478 transitions. [2018-11-23 14:06:34,913 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 478 transitions. [2018-11-23 14:06:34,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-23 14:06:34,914 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:34,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:35,068 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:06:35,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:35,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 375 states and 512 transitions. [2018-11-23 14:06:35,515 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 512 transitions. [2018-11-23 14:06:35,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-23 14:06:35,516 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:35,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:35,581 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 14:06:35,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:35,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 389 states and 526 transitions. [2018-11-23 14:06:35,831 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 526 transitions. [2018-11-23 14:06:35,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-11-23 14:06:35,832 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:35,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:36,107 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 14:06:37,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:37,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 411 states and 553 transitions. [2018-11-23 14:06:37,094 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 553 transitions. [2018-11-23 14:06:37,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-11-23 14:06:37,095 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:37,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:37,213 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 14:06:37,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:37,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 416 states and 558 transitions. [2018-11-23 14:06:37,567 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 558 transitions. [2018-11-23 14:06:37,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-23 14:06:37,568 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:37,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:37,594 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-23 14:06:38,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:38,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 424 states and 570 transitions. [2018-11-23 14:06:38,184 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 570 transitions. [2018-11-23 14:06:38,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-23 14:06:38,184 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:38,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:38,210 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-23 14:06:38,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:38,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 425 states and 570 transitions. [2018-11-23 14:06:38,564 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 570 transitions. [2018-11-23 14:06:38,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-11-23 14:06:38,565 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:38,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:38,906 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 14:06:40,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:40,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 434 states and 585 transitions. [2018-11-23 14:06:40,339 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 585 transitions. [2018-11-23 14:06:40,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-11-23 14:06:40,339 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:40,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:40,379 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 14:06:40,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:40,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 437 states and 590 transitions. [2018-11-23 14:06:40,891 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 590 transitions. [2018-11-23 14:06:40,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-11-23 14:06:40,891 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:40,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:40,967 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 14:06:41,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:41,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 453 states and 609 transitions. [2018-11-23 14:06:41,223 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 609 transitions. [2018-11-23 14:06:41,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-11-23 14:06:41,224 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:41,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:41,246 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 14:06:41,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:41,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 464 states and 621 transitions. [2018-11-23 14:06:41,288 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 621 transitions. [2018-11-23 14:06:41,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-23 14:06:41,289 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:41,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:41,477 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 66 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 14:06:42,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:42,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 510 states and 673 transitions. [2018-11-23 14:06:42,876 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 673 transitions. [2018-11-23 14:06:42,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-23 14:06:42,877 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:42,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:42,969 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 66 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 14:06:43,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:43,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 513 states and 676 transitions. [2018-11-23 14:06:43,167 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 676 transitions. [2018-11-23 14:06:43,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-23 14:06:43,168 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:43,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:43,604 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 89 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:06:45,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:45,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 544 states and 717 transitions. [2018-11-23 14:06:45,257 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 717 transitions. [2018-11-23 14:06:45,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-23 14:06:45,257 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:45,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:45,341 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 89 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:06:45,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:45,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 549 states and 724 transitions. [2018-11-23 14:06:45,684 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 724 transitions. [2018-11-23 14:06:45,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-23 14:06:45,684 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:45,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:45,709 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 14:06:46,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:46,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 574 states and 754 transitions. [2018-11-23 14:06:46,167 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 754 transitions. [2018-11-23 14:06:46,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-23 14:06:46,168 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:46,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:46,188 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 14:06:46,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:46,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 761 states to 581 states and 761 transitions. [2018-11-23 14:06:46,224 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 761 transitions. [2018-11-23 14:06:46,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-23 14:06:46,225 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:46,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:46,750 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 74 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:06:48,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:48,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 613 states and 804 transitions. [2018-11-23 14:06:48,729 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 804 transitions. [2018-11-23 14:06:48,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-23 14:06:48,730 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:48,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:48,803 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 74 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:06:49,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:49,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 618 states and 810 transitions. [2018-11-23 14:06:49,296 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 810 transitions. [2018-11-23 14:06:49,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-11-23 14:06:49,297 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:49,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:49,321 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 14:06:49,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:49,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 634 states and 825 transitions. [2018-11-23 14:06:49,379 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 825 transitions. [2018-11-23 14:06:49,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-11-23 14:06:49,379 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:49,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:49,403 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 14:06:49,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:49,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 637 states and 828 transitions. [2018-11-23 14:06:49,609 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 828 transitions. [2018-11-23 14:06:49,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-11-23 14:06:49,609 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:49,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:49,936 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:06:51,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:51,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 702 states and 895 transitions. [2018-11-23 14:06:51,545 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 895 transitions. [2018-11-23 14:06:51,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-23 14:06:51,546 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:51,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:51,598 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-23 14:06:51,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:51,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 703 states and 895 transitions. [2018-11-23 14:06:51,634 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 895 transitions. [2018-11-23 14:06:51,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-23 14:06:51,635 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:51,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:52,115 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:06:54,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:54,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 974 states to 768 states and 974 transitions. [2018-11-23 14:06:54,015 INFO L276 IsEmpty]: Start isEmpty. Operand 768 states and 974 transitions. [2018-11-23 14:06:54,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-23 14:06:54,016 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:54,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:54,080 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:06:54,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:54,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 981 states to 775 states and 981 transitions. [2018-11-23 14:06:54,488 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 981 transitions. [2018-11-23 14:06:54,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-23 14:06:54,489 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:54,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:54,519 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:06:54,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:54,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 814 states and 1020 transitions. [2018-11-23 14:06:54,637 INFO L276 IsEmpty]: Start isEmpty. Operand 814 states and 1020 transitions. [2018-11-23 14:06:54,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-11-23 14:06:54,637 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:54,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:55,005 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 97 proven. 27 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 14:06:55,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:55,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 824 states and 1034 transitions. [2018-11-23 14:06:55,848 INFO L276 IsEmpty]: Start isEmpty. Operand 824 states and 1034 transitions. [2018-11-23 14:06:55,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-11-23 14:06:55,849 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:55,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:56,008 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 97 proven. 27 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 14:06:56,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:56,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 827 states and 1037 transitions. [2018-11-23 14:06:56,250 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1037 transitions. [2018-11-23 14:06:56,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-23 14:06:56,251 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:56,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:56,299 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-23 14:06:56,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:56,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1040 states to 831 states and 1040 transitions. [2018-11-23 14:06:56,415 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 1040 transitions. [2018-11-23 14:06:56,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-11-23 14:06:56,416 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:56,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:56,505 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 85 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 14:06:57,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:57,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1063 states to 849 states and 1063 transitions. [2018-11-23 14:06:57,447 INFO L276 IsEmpty]: Start isEmpty. Operand 849 states and 1063 transitions. [2018-11-23 14:06:57,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-11-23 14:06:57,448 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:57,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:57,522 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 85 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 14:06:57,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:57,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1065 states to 851 states and 1065 transitions. [2018-11-23 14:06:57,757 INFO L276 IsEmpty]: Start isEmpty. Operand 851 states and 1065 transitions. [2018-11-23 14:06:57,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-11-23 14:06:57,758 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:57,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:57,934 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-23 14:06:58,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:58,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1067 states to 853 states and 1067 transitions. [2018-11-23 14:06:58,173 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 1067 transitions. [2018-11-23 14:06:58,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-23 14:06:58,173 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:58,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:58,335 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 80 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:06:59,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:59,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1093 states to 872 states and 1093 transitions. [2018-11-23 14:06:59,558 INFO L276 IsEmpty]: Start isEmpty. Operand 872 states and 1093 transitions. [2018-11-23 14:06:59,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-23 14:06:59,559 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:59,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:59,601 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 14:06:59,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:06:59,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1095 states to 874 states and 1095 transitions. [2018-11-23 14:06:59,847 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1095 transitions. [2018-11-23 14:06:59,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-23 14:06:59,847 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:06:59,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:06:59,887 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 14:07:00,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:07:00,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1155 states to 934 states and 1155 transitions. [2018-11-23 14:07:00,132 INFO L276 IsEmpty]: Start isEmpty. Operand 934 states and 1155 transitions. [2018-11-23 14:07:00,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-23 14:07:00,132 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:07:00,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:07:00,195 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 14:07:00,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:07:00,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1158 states to 938 states and 1158 transitions. [2018-11-23 14:07:00,615 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1158 transitions. [2018-11-23 14:07:00,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-23 14:07:00,616 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:07:00,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:07:00,669 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 97 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-23 14:07:02,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:07:02,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1234 states to 1007 states and 1234 transitions. [2018-11-23 14:07:02,172 INFO L276 IsEmpty]: Start isEmpty. Operand 1007 states and 1234 transitions. [2018-11-23 14:07:02,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-11-23 14:07:02,173 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:07:02,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:07:02,205 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-23 14:07:02,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:07:02,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1237 states to 1010 states and 1237 transitions. [2018-11-23 14:07:02,626 INFO L276 IsEmpty]: Start isEmpty. Operand 1010 states and 1237 transitions. [2018-11-23 14:07:02,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-11-23 14:07:02,627 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:07:02,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:07:03,196 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 161 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:07:05,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:07:05,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1269 states to 1036 states and 1269 transitions. [2018-11-23 14:07:05,152 INFO L276 IsEmpty]: Start isEmpty. Operand 1036 states and 1269 transitions. [2018-11-23 14:07:05,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-11-23 14:07:05,153 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:07:05,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:07:05,296 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 161 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:07:05,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:07:05,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1273 states to 1039 states and 1273 transitions. [2018-11-23 14:07:05,651 INFO L276 IsEmpty]: Start isEmpty. Operand 1039 states and 1273 transitions. [2018-11-23 14:07:05,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-11-23 14:07:05,651 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:07:05,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:07:06,092 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 157 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 14:07:07,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:07:07,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1295 states to 1056 states and 1295 transitions. [2018-11-23 14:07:07,007 INFO L276 IsEmpty]: Start isEmpty. Operand 1056 states and 1295 transitions. [2018-11-23 14:07:07,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-11-23 14:07:07,008 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:07:07,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:07:07,130 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 157 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 14:07:07,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:07:07,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1327 states to 1087 states and 1327 transitions. [2018-11-23 14:07:07,707 INFO L276 IsEmpty]: Start isEmpty. Operand 1087 states and 1327 transitions. [2018-11-23 14:07:07,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-23 14:07:07,707 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:07:07,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:07:08,119 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:07:12,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:07:12,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1397 states to 1147 states and 1397 transitions. [2018-11-23 14:07:12,340 INFO L276 IsEmpty]: Start isEmpty. Operand 1147 states and 1397 transitions. [2018-11-23 14:07:12,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-23 14:07:12,341 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:07:12,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:07:12,533 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:07:13,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:07:13,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1428 states to 1178 states and 1428 transitions. [2018-11-23 14:07:13,144 INFO L276 IsEmpty]: Start isEmpty. Operand 1178 states and 1428 transitions. [2018-11-23 14:07:13,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-23 14:07:13,145 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:07:13,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:07:13,303 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:07:14,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:07:14,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1455 states to 1202 states and 1455 transitions. [2018-11-23 14:07:14,335 INFO L276 IsEmpty]: Start isEmpty. Operand 1202 states and 1455 transitions. [2018-11-23 14:07:14,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-11-23 14:07:14,336 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:07:14,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:07:14,386 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 118 proven. 4 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-23 14:07:14,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:07:14,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1461 states to 1208 states and 1461 transitions. [2018-11-23 14:07:14,576 INFO L276 IsEmpty]: Start isEmpty. Operand 1208 states and 1461 transitions. [2018-11-23 14:07:14,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-11-23 14:07:14,577 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:07:14,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:07:14,608 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 191 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-23 14:07:14,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:07:14,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1465 states to 1213 states and 1465 transitions. [2018-11-23 14:07:14,975 INFO L276 IsEmpty]: Start isEmpty. Operand 1213 states and 1465 transitions. [2018-11-23 14:07:14,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-11-23 14:07:14,977 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:07:14,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:07:15,809 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 129 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:07:19,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:07:19,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1536 states to 1266 states and 1536 transitions. [2018-11-23 14:07:19,912 INFO L276 IsEmpty]: Start isEmpty. Operand 1266 states and 1536 transitions. [2018-11-23 14:07:19,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-11-23 14:07:19,913 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:07:19,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:07:20,129 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 129 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:07:22,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:07:22,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1587 states to 1312 states and 1587 transitions. [2018-11-23 14:07:22,121 INFO L276 IsEmpty]: Start isEmpty. Operand 1312 states and 1587 transitions. [2018-11-23 14:07:22,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-11-23 14:07:22,122 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:07:22,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:07:23,227 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 14:07:26,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:07:26,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1641 states to 1360 states and 1641 transitions. [2018-11-23 14:07:26,533 INFO L276 IsEmpty]: Start isEmpty. Operand 1360 states and 1641 transitions. [2018-11-23 14:07:26,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-11-23 14:07:26,534 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:07:26,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:07:26,650 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 14:07:27,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:07:27,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1640 states to 1360 states and 1640 transitions. [2018-11-23 14:07:27,054 INFO L276 IsEmpty]: Start isEmpty. Operand 1360 states and 1640 transitions. [2018-11-23 14:07:27,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-11-23 14:07:27,055 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:07:27,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:07:27,366 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-11-23 14:07:28,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:07:28,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1714 states to 1430 states and 1714 transitions. [2018-11-23 14:07:28,367 INFO L276 IsEmpty]: Start isEmpty. Operand 1430 states and 1714 transitions. [2018-11-23 14:07:28,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-11-23 14:07:28,368 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:07:28,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:07:29,184 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 14:07:30,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:07:30,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1721 states to 1434 states and 1721 transitions. [2018-11-23 14:07:30,884 INFO L276 IsEmpty]: Start isEmpty. Operand 1434 states and 1721 transitions. [2018-11-23 14:07:30,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-11-23 14:07:30,885 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:07:30,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:07:31,060 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 14:07:31,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:07:31,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1725 states to 1437 states and 1725 transitions. [2018-11-23 14:07:31,865 INFO L276 IsEmpty]: Start isEmpty. Operand 1437 states and 1725 transitions. [2018-11-23 14:07:31,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-11-23 14:07:31,867 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:07:31,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:07:32,084 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-11-23 14:07:33,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:07:33,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1800 states to 1507 states and 1800 transitions. [2018-11-23 14:07:33,207 INFO L276 IsEmpty]: Start isEmpty. Operand 1507 states and 1800 transitions. [2018-11-23 14:07:33,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-11-23 14:07:33,208 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:07:33,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:07:33,400 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 250 proven. 69 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-11-23 14:07:34,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:07:34,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1877 states to 1580 states and 1877 transitions. [2018-11-23 14:07:34,858 INFO L276 IsEmpty]: Start isEmpty. Operand 1580 states and 1877 transitions. [2018-11-23 14:07:34,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-11-23 14:07:34,859 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:07:34,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:07:35,417 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-23 14:07:36,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:07:36,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1887 states to 1587 states and 1887 transitions. [2018-11-23 14:07:36,709 INFO L276 IsEmpty]: Start isEmpty. Operand 1587 states and 1887 transitions. [2018-11-23 14:07:36,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-11-23 14:07:36,710 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:07:36,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:07:36,845 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-23 14:07:38,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:07:38,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1905 states to 1601 states and 1905 transitions. [2018-11-23 14:07:38,228 INFO L276 IsEmpty]: Start isEmpty. Operand 1601 states and 1905 transitions. [2018-11-23 14:07:38,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-11-23 14:07:38,229 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:07:38,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:07:38,416 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-23 14:07:39,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:07:39,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1910 states to 1607 states and 1910 transitions. [2018-11-23 14:07:39,138 INFO L276 IsEmpty]: Start isEmpty. Operand 1607 states and 1910 transitions. [2018-11-23 14:07:39,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-23 14:07:39,139 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:07:39,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:07:39,489 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 189 proven. 11 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2018-11-23 14:07:40,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:07:40,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1913 states to 1609 states and 1913 transitions. [2018-11-23 14:07:40,142 INFO L276 IsEmpty]: Start isEmpty. Operand 1609 states and 1913 transitions. [2018-11-23 14:07:40,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-11-23 14:07:40,143 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:07:40,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:07:40,205 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 329 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2018-11-23 14:07:44,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:07:44,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1971 states to 1654 states and 1971 transitions. [2018-11-23 14:07:44,096 INFO L276 IsEmpty]: Start isEmpty. Operand 1654 states and 1971 transitions. [2018-11-23 14:07:44,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-11-23 14:07:44,097 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:07:44,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:07:44,159 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 329 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2018-11-23 14:07:44,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:07:44,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1976 states to 1659 states and 1976 transitions. [2018-11-23 14:07:44,857 INFO L276 IsEmpty]: Start isEmpty. Operand 1659 states and 1976 transitions. [2018-11-23 14:07:44,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-11-23 14:07:44,858 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:07:44,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:07:46,232 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-23 14:07:50,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:07:50,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2011 states to 1691 states and 2011 transitions. [2018-11-23 14:07:50,899 INFO L276 IsEmpty]: Start isEmpty. Operand 1691 states and 2011 transitions. [2018-11-23 14:07:50,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-11-23 14:07:50,901 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:07:50,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:07:51,079 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-23 14:07:51,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:07:51,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2010 states to 1691 states and 2010 transitions. [2018-11-23 14:07:51,605 INFO L276 IsEmpty]: Start isEmpty. Operand 1691 states and 2010 transitions. [2018-11-23 14:07:51,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-11-23 14:07:51,606 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:07:51,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:07:52,964 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-23 14:07:57,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:07:57,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2060 states to 1739 states and 2060 transitions. [2018-11-23 14:07:57,547 INFO L276 IsEmpty]: Start isEmpty. Operand 1739 states and 2060 transitions. [2018-11-23 14:07:57,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-11-23 14:07:57,548 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:07:57,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:07:57,823 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 316 proven. 13 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-11-23 14:07:58,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:07:58,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2060 states to 1740 states and 2060 transitions. [2018-11-23 14:07:58,870 INFO L276 IsEmpty]: Start isEmpty. Operand 1740 states and 2060 transitions. [2018-11-23 14:07:58,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-11-23 14:07:58,871 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:07:58,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:07:59,119 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 316 proven. 13 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-11-23 14:07:59,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:07:59,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2063 states to 1743 states and 2063 transitions. [2018-11-23 14:07:59,819 INFO L276 IsEmpty]: Start isEmpty. Operand 1743 states and 2063 transitions. [2018-11-23 14:07:59,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-11-23 14:07:59,821 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:07:59,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:08:01,099 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-23 14:08:07,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:08:07,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2120 states to 1795 states and 2120 transitions. [2018-11-23 14:08:07,622 INFO L276 IsEmpty]: Start isEmpty. Operand 1795 states and 2120 transitions. [2018-11-23 14:08:07,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-11-23 14:08:07,623 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:08:07,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:08:07,757 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-23 14:08:09,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:08:09,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2129 states to 1804 states and 2129 transitions. [2018-11-23 14:08:09,392 INFO L276 IsEmpty]: Start isEmpty. Operand 1804 states and 2129 transitions. [2018-11-23 14:08:09,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-11-23 14:08:09,393 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:08:09,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:08:09,526 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-23 14:08:11,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:08:11,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2138 states to 1814 states and 2138 transitions. [2018-11-23 14:08:11,467 INFO L276 IsEmpty]: Start isEmpty. Operand 1814 states and 2138 transitions. [2018-11-23 14:08:11,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-11-23 14:08:11,468 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:08:11,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:08:11,601 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-23 14:08:12,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:08:12,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2155 states to 1832 states and 2155 transitions. [2018-11-23 14:08:12,804 INFO L276 IsEmpty]: Start isEmpty. Operand 1832 states and 2155 transitions. [2018-11-23 14:08:12,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2018-11-23 14:08:12,805 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:08:12,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:08:12,987 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 282 proven. 4 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2018-11-23 14:08:13,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:08:13,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2164 states to 1840 states and 2164 transitions. [2018-11-23 14:08:13,960 INFO L276 IsEmpty]: Start isEmpty. Operand 1840 states and 2164 transitions. [2018-11-23 14:08:13,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2018-11-23 14:08:13,962 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:08:13,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:08:14,183 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 375 proven. 138 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2018-11-23 14:08:14,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:08:14,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2087 states to 1766 states and 2087 transitions. [2018-11-23 14:08:14,424 INFO L276 IsEmpty]: Start isEmpty. Operand 1766 states and 2087 transitions. [2018-11-23 14:08:14,424 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 14:08:14,424 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 93 iterations. [2018-11-23 14:08:14,433 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 14:08:14,704 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 40 [2018-11-23 14:08:15,055 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 15 [2018-11-23 14:08:15,191 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 40 [2018-11-23 14:08:15,319 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 40 [2018-11-23 14:08:15,621 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 40 [2018-11-23 14:08:15,802 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 40 [2018-11-23 14:08:15,933 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 40 [2018-11-23 14:08:16,265 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 40 [2018-11-23 14:08:17,229 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 40 [2018-11-23 14:08:17,937 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 15 [2018-11-23 14:08:18,371 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 40 [2018-11-23 14:08:18,654 WARN L180 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 62 [2018-11-23 14:08:18,953 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 40 [2018-11-23 14:08:19,322 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 40 [2018-11-23 14:08:19,322 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:08:19,324 INFO L579 CodeCheckObserver]: Invariant with dag size 15 [2018-11-23 14:08:19,330 INFO L579 CodeCheckObserver]: Invariant with dag size 15 [2018-11-23 14:08:19,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 02:08:19 ImpRootNode [2018-11-23 14:08:19,331 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 14:08:19,331 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 14:08:19,331 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 14:08:19,331 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 14:08:19,332 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:06:29" (3/4) ... [2018-11-23 14:08:19,335 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 14:08:19,350 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 100 nodes and edges [2018-11-23 14:08:19,350 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-23 14:08:19,351 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-23 14:08:19,352 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 14:08:19,449 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6d560cda-433d-4af6-9458-10f87d9da979/bin-2019/ukojak/witness.graphml [2018-11-23 14:08:19,449 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 14:08:19,451 INFO L168 Benchmark]: Toolchain (without parser) took 111970.87 ms. Allocated memory was 1.0 GB in the beginning and 3.1 GB in the end (delta: 2.1 GB). Free memory was 951.2 MB in the beginning and 2.0 GB in the end (delta: -1.0 GB). Peak memory consumption was 1.0 GB. Max. memory is 11.5 GB. [2018-11-23 14:08:19,451 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 14:08:19,451 INFO L168 Benchmark]: CACSL2BoogieTranslator took 368.29 ms. Allocated memory is still 1.0 GB. Free memory was 951.2 MB in the beginning and 918.9 MB in the end (delta: 32.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. [2018-11-23 14:08:19,452 INFO L168 Benchmark]: Boogie Procedure Inliner took 108.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 918.9 MB in the beginning and 1.1 GB in the end (delta: -210.7 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2018-11-23 14:08:19,452 INFO L168 Benchmark]: Boogie Preprocessor took 45.59 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: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 11.5 GB. [2018-11-23 14:08:19,452 INFO L168 Benchmark]: RCFGBuilder took 1326.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 891.8 MB in the end (delta: 234.0 MB). Peak memory consumption was 234.0 MB. Max. memory is 11.5 GB. [2018-11-23 14:08:19,452 INFO L168 Benchmark]: CodeCheck took 109998.80 ms. Allocated memory was 1.2 GB in the beginning and 3.1 GB in the end (delta: 1.9 GB). Free memory was 891.8 MB in the beginning and 2.0 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.9 GB. Max. memory is 11.5 GB. [2018-11-23 14:08:19,453 INFO L168 Benchmark]: Witness Printer took 118.47 ms. Allocated memory is still 3.1 GB. Free memory was 2.0 GB in the beginning and 2.0 GB in the end (delta: 13.9 kB). Peak memory consumption was 13.9 kB. Max. memory is 11.5 GB. [2018-11-23 14:08:19,456 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 198 locations, 1 error locations. SAFE Result, 105.0s OverallTime, 93 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 754868584 SDtfs, 2115408028 SDslu, 299526608 SDs, 0 SdLazy, 109018432 SolverSat, -427503200 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 200.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 101582 GetRequests, 97150 SyntacticMatches, 3310 SemanticMatches, 1122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 959320 ImplicationChecksByTransitivity, 91.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.3s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 14.8s InterpolantComputationTime, 15128 NumberOfCodeBlocks, 15128 NumberOfCodeBlocksAsserted, 92 NumberOfCheckSat, 15036 ConstructedInterpolants, 0 QuantifiedInterpolants, 21036461 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 92 InterpolantComputations, 64 PerfectInterpolantSequences, 14119/14710 InterpolantCoveringCapability, 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 536]: 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: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((a16 == 4 || !(a7 == 1)) || !(a8 == 14)) || !(a17 == 1) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((!(a7 == 1) || a16 == 4) || !(a8 == 14)) || !(a17 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 368.29 ms. Allocated memory is still 1.0 GB. Free memory was 951.2 MB in the beginning and 918.9 MB in the end (delta: 32.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 108.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 918.9 MB in the beginning and 1.1 GB in the end (delta: -210.7 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 45.59 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: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1326.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 891.8 MB in the end (delta: 234.0 MB). Peak memory consumption was 234.0 MB. Max. memory is 11.5 GB. * CodeCheck took 109998.80 ms. Allocated memory was 1.2 GB in the beginning and 3.1 GB in the end (delta: 1.9 GB). Free memory was 891.8 MB in the beginning and 2.0 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.9 GB. Max. memory is 11.5 GB. * Witness Printer took 118.47 ms. Allocated memory is still 3.1 GB. Free memory was 2.0 GB in the beginning and 2.0 GB in the end (delta: 13.9 kB). Peak memory consumption was 13.9 kB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...