./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label34_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_368fc6e0-a989-462d-bd81-e7b6b868798f/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_368fc6e0-a989-462d-bd81-e7b6b868798f/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_368fc6e0-a989-462d-bd81-e7b6b868798f/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_368fc6e0-a989-462d-bd81-e7b6b868798f/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label34_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_368fc6e0-a989-462d-bd81-e7b6b868798f/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_368fc6e0-a989-462d-bd81-e7b6b868798f/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 967c72bd82820b824aa390b27f8a26458e2fde4d .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 12:31:42,498 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 12:31:42,499 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 12:31:42,507 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 12:31:42,507 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 12:31:42,508 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 12:31:42,509 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 12:31:42,510 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 12:31:42,511 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 12:31:42,512 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 12:31:42,512 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 12:31:42,513 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 12:31:42,513 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 12:31:42,514 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 12:31:42,515 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 12:31:42,515 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 12:31:42,516 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 12:31:42,517 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 12:31:42,519 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 12:31:42,520 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 12:31:42,520 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 12:31:42,521 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 12:31:42,522 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 12:31:42,523 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 12:31:42,523 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 12:31:42,523 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 12:31:42,524 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 12:31:42,524 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 12:31:42,525 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 12:31:42,525 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 12:31:42,525 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 12:31:42,525 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 12:31:42,526 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 12:31:42,526 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 12:31:42,526 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 12:31:42,527 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 12:31:42,527 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_368fc6e0-a989-462d-bd81-e7b6b868798f/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-08 12:31:42,535 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 12:31:42,535 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 12:31:42,536 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 12:31:42,536 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 12:31:42,536 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 12:31:42,537 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 12:31:42,537 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 12:31:42,537 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 12:31:42,537 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 12:31:42,537 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 12:31:42,537 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 12:31:42,537 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 12:31:42,538 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 12:31:42,538 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 12:31:42,538 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 12:31:42,538 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 12:31:42,538 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 12:31:42,538 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 12:31:42,538 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 12:31:42,539 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 12:31:42,539 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 12:31:42,539 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 12:31:42,539 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 12:31:42,539 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 12:31:42,539 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 12:31:42,539 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 12:31:42,539 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 12:31:42,540 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 12:31:42,540 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 12:31:42,540 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_368fc6e0-a989-462d-bd81-e7b6b868798f/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 -> 967c72bd82820b824aa390b27f8a26458e2fde4d [2018-12-08 12:31:42,564 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 12:31:42,573 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 12:31:42,575 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 12:31:42,576 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 12:31:42,577 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 12:31:42,577 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_368fc6e0-a989-462d-bd81-e7b6b868798f/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label34_true-unreach-call_false-termination.c [2018-12-08 12:31:42,618 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_368fc6e0-a989-462d-bd81-e7b6b868798f/bin-2019/ukojak/data/ce5c8ab85/ced9ebcb163b45d78286e986dee15b15/FLAGc3fa129ac [2018-12-08 12:31:43,101 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 12:31:43,102 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_368fc6e0-a989-462d-bd81-e7b6b868798f/sv-benchmarks/c/eca-rers2012/Problem02_label34_true-unreach-call_false-termination.c [2018-12-08 12:31:43,109 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_368fc6e0-a989-462d-bd81-e7b6b868798f/bin-2019/ukojak/data/ce5c8ab85/ced9ebcb163b45d78286e986dee15b15/FLAGc3fa129ac [2018-12-08 12:31:43,598 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_368fc6e0-a989-462d-bd81-e7b6b868798f/bin-2019/ukojak/data/ce5c8ab85/ced9ebcb163b45d78286e986dee15b15 [2018-12-08 12:31:43,601 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 12:31:43,601 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 12:31:43,602 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 12:31:43,602 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 12:31:43,604 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 12:31:43,605 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 12:31:43" (1/1) ... [2018-12-08 12:31:43,607 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@672351b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:31:43, skipping insertion in model container [2018-12-08 12:31:43,607 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 12:31:43" (1/1) ... [2018-12-08 12:31:43,612 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 12:31:43,636 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 12:31:43,809 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 12:31:43,812 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 12:31:43,897 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 12:31:43,907 INFO L195 MainTranslator]: Completed translation [2018-12-08 12:31:43,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:31:43 WrapperNode [2018-12-08 12:31:43,907 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 12:31:43,907 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 12:31:43,908 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 12:31:43,908 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 12:31:43,913 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:31:43" (1/1) ... [2018-12-08 12:31:43,921 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:31:43" (1/1) ... [2018-12-08 12:31:43,949 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 12:31:43,950 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 12:31:43,950 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 12:31:43,950 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 12:31:43,956 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:31:43" (1/1) ... [2018-12-08 12:31:43,956 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:31:43" (1/1) ... [2018-12-08 12:31:43,958 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:31:43" (1/1) ... [2018-12-08 12:31:43,958 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:31:43" (1/1) ... [2018-12-08 12:31:43,966 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:31:43" (1/1) ... [2018-12-08 12:31:43,972 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:31:43" (1/1) ... [2018-12-08 12:31:43,975 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:31:43" (1/1) ... [2018-12-08 12:31:43,979 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 12:31:43,979 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 12:31:43,979 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 12:31:43,979 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 12:31:43,980 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:31:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_368fc6e0-a989-462d-bd81-e7b6b868798f/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 [2018-12-08 12:31:44,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 12:31:44,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 12:31:44,967 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 12:31:44,967 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-08 12:31:44,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 12:31:44 BoogieIcfgContainer [2018-12-08 12:31:44,967 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 12:31:44,968 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 12:31:44,968 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 12:31:44,977 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 12:31:44,978 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 12:31:44" (1/1) ... [2018-12-08 12:31:44,987 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:31:45,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:31:45,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2018-12-08 12:31:45,019 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2018-12-08 12:31:45,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-08 12:31:45,023 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:31:45,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:31:45,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:31:45,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:31:45,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 163 states and 251 transitions. [2018-12-08 12:31:45,552 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 251 transitions. [2018-12-08 12:31:45,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-12-08 12:31:45,554 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:31:45,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:31:45,631 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:31:45,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:31:45,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 241 states and 341 transitions. [2018-12-08 12:31:45,992 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 341 transitions. [2018-12-08 12:31:45,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-08 12:31:45,994 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:31:46,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:31:46,082 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:31:46,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:31:46,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 245 states and 347 transitions. [2018-12-08 12:31:46,204 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 347 transitions. [2018-12-08 12:31:46,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-08 12:31:46,206 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:31:46,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:31:46,233 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:31:46,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:31:46,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 254 states and 358 transitions. [2018-12-08 12:31:46,298 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 358 transitions. [2018-12-08 12:31:46,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-08 12:31:46,299 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:31:46,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:31:46,322 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 12:31:46,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:31:46,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 264 states and 372 transitions. [2018-12-08 12:31:46,443 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 372 transitions. [2018-12-08 12:31:46,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-08 12:31:46,446 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:31:46,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:31:46,466 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:31:46,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:31:46,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 269 states and 377 transitions. [2018-12-08 12:31:46,486 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 377 transitions. [2018-12-08 12:31:46,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-08 12:31:46,487 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:31:46,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:31:46,565 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:31:47,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:31:47,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 286 states and 401 transitions. [2018-12-08 12:31:47,001 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 401 transitions. [2018-12-08 12:31:47,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-08 12:31:47,001 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:31:47,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:31:47,015 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 12:31:47,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:31:47,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 290 states and 406 transitions. [2018-12-08 12:31:47,072 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 406 transitions. [2018-12-08 12:31:47,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-08 12:31:47,073 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:31:47,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:31:47,087 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 12:31:47,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:31:47,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 294 states and 411 transitions. [2018-12-08 12:31:47,171 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 411 transitions. [2018-12-08 12:31:47,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-12-08 12:31:47,172 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:31:47,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:31:47,188 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 12:31:47,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:31:47,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 295 states and 412 transitions. [2018-12-08 12:31:47,201 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 412 transitions. [2018-12-08 12:31:47,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-08 12:31:47,202 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:31:47,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:31:47,223 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 12:31:47,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:31:47,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 298 states and 414 transitions. [2018-12-08 12:31:47,278 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 414 transitions. [2018-12-08 12:31:47,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-08 12:31:47,278 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:31:47,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:31:47,291 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:31:47,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:31:47,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 305 states and 421 transitions. [2018-12-08 12:31:47,317 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 421 transitions. [2018-12-08 12:31:47,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-08 12:31:47,318 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:31:47,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:31:47,340 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 12:31:47,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:31:47,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 312 states and 428 transitions. [2018-12-08 12:31:47,376 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 428 transitions. [2018-12-08 12:31:47,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-08 12:31:47,377 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:31:47,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:31:47,390 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:31:47,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:31:47,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 318 states and 434 transitions. [2018-12-08 12:31:47,415 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 434 transitions. [2018-12-08 12:31:47,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-08 12:31:47,415 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:31:47,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:31:47,446 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:31:47,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:31:47,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 334 states and 454 transitions. [2018-12-08 12:31:47,726 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 454 transitions. [2018-12-08 12:31:47,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-08 12:31:47,726 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:31:47,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:31:47,790 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 12:31:48,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:31:48,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 352 states and 475 transitions. [2018-12-08 12:31:48,057 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 475 transitions. [2018-12-08 12:31:48,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-12-08 12:31:48,057 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:31:48,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:31:48,128 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-08 12:31:48,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:31:48,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 456 states and 589 transitions. [2018-12-08 12:31:48,944 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 589 transitions. [2018-12-08 12:31:48,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-08 12:31:48,946 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:31:48,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:31:48,993 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:31:49,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:31:49,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 463 states and 596 transitions. [2018-12-08 12:31:49,028 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 596 transitions. [2018-12-08 12:31:49,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-12-08 12:31:49,028 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:31:49,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:31:49,078 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:31:49,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:31:49,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 494 states and 638 transitions. [2018-12-08 12:31:49,637 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 638 transitions. [2018-12-08 12:31:49,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-12-08 12:31:49,638 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:31:49,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:31:49,654 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:31:49,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:31:49,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 499 states and 642 transitions. [2018-12-08 12:31:49,787 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 642 transitions. [2018-12-08 12:31:49,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-12-08 12:31:49,788 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:31:49,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:31:49,889 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 12:31:50,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:31:50,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 529 states and 681 transitions. [2018-12-08 12:31:50,455 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 681 transitions. [2018-12-08 12:31:50,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-08 12:31:50,456 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:31:50,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:31:50,507 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 46 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 12:31:50,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:31:50,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 537 states and 694 transitions. [2018-12-08 12:31:50,747 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 694 transitions. [2018-12-08 12:31:50,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-08 12:31:50,747 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:31:50,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:31:50,820 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 46 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 12:31:51,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:31:51,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 560 states and 718 transitions. [2018-12-08 12:31:51,244 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 718 transitions. [2018-12-08 12:31:51,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-08 12:31:51,245 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:31:51,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:31:51,308 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 46 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 12:31:51,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:31:51,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 565 states and 722 transitions. [2018-12-08 12:31:51,456 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 722 transitions. [2018-12-08 12:31:51,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-08 12:31:51,456 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:31:51,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:31:51,473 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 12:31:51,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:31:51,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 587 states and 755 transitions. [2018-12-08 12:31:51,815 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 755 transitions. [2018-12-08 12:31:51,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-08 12:31:51,816 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:31:51,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:31:51,831 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 12:31:51,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:31:51,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 590 states and 757 transitions. [2018-12-08 12:31:51,943 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 757 transitions. [2018-12-08 12:31:51,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-12-08 12:31:51,944 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:31:51,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:31:51,960 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 12:31:52,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:31:52,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 613 states and 783 transitions. [2018-12-08 12:31:52,194 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 783 transitions. [2018-12-08 12:31:52,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-12-08 12:31:52,194 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:31:52,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:31:52,210 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-08 12:31:52,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:31:52,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 619 states and 792 transitions. [2018-12-08 12:31:52,522 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 792 transitions. [2018-12-08 12:31:52,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-12-08 12:31:52,523 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:31:52,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:31:52,540 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:31:52,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:31:52,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 652 states and 827 transitions. [2018-12-08 12:31:52,723 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 827 transitions. [2018-12-08 12:31:52,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-08 12:31:52,724 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:31:52,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:31:52,740 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 12:31:52,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:31:52,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 661 states and 835 transitions. [2018-12-08 12:31:52,818 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 835 transitions. [2018-12-08 12:31:52,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-12-08 12:31:52,819 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:31:52,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:31:52,835 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-08 12:31:52,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:31:52,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 683 states and 857 transitions. [2018-12-08 12:31:52,961 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 857 transitions. [2018-12-08 12:31:52,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-12-08 12:31:52,962 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:31:52,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:31:52,980 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:31:53,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:31:53,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 911 states to 727 states and 911 transitions. [2018-12-08 12:31:53,774 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 911 transitions. [2018-12-08 12:31:53,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-08 12:31:53,775 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:31:53,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:31:53,859 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 12:31:54,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:31:54,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 758 states and 954 transitions. [2018-12-08 12:31:54,461 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 954 transitions. [2018-12-08 12:31:54,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-08 12:31:54,462 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:31:54,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:31:54,501 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 12:31:54,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:31:54,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 956 states to 761 states and 956 transitions. [2018-12-08 12:31:54,644 INFO L276 IsEmpty]: Start isEmpty. Operand 761 states and 956 transitions. [2018-12-08 12:31:54,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-08 12:31:54,645 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:31:54,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:31:54,669 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-08 12:31:55,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:31:55,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 793 states and 991 transitions. [2018-12-08 12:31:55,351 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 991 transitions. [2018-12-08 12:31:55,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-08 12:31:55,352 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:31:55,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:31:55,369 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:31:55,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:31:55,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1010 states to 806 states and 1010 transitions. [2018-12-08 12:31:55,837 INFO L276 IsEmpty]: Start isEmpty. Operand 806 states and 1010 transitions. [2018-12-08 12:31:55,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-08 12:31:55,838 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:31:55,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:31:55,855 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:31:56,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:31:56,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 829 states and 1032 transitions. [2018-12-08 12:31:56,239 INFO L276 IsEmpty]: Start isEmpty. Operand 829 states and 1032 transitions. [2018-12-08 12:31:56,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-08 12:31:56,239 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:31:56,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:31:56,258 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:31:56,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:31:56,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1042 states to 833 states and 1042 transitions. [2018-12-08 12:31:56,577 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1042 transitions. [2018-12-08 12:31:56,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-08 12:31:56,578 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:31:56,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:31:56,832 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 75 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-08 12:31:58,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:31:58,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 869 states and 1085 transitions. [2018-12-08 12:31:58,644 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1085 transitions. [2018-12-08 12:31:58,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-08 12:31:58,645 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:31:58,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:31:58,690 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 75 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-08 12:31:58,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:31:58,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1089 states to 872 states and 1089 transitions. [2018-12-08 12:31:58,943 INFO L276 IsEmpty]: Start isEmpty. Operand 872 states and 1089 transitions. [2018-12-08 12:31:58,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-08 12:31:58,943 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:31:58,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:31:58,968 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 75 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-08 12:31:59,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:31:59,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1107 states to 892 states and 1107 transitions. [2018-12-08 12:31:59,428 INFO L276 IsEmpty]: Start isEmpty. Operand 892 states and 1107 transitions. [2018-12-08 12:31:59,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-08 12:31:59,429 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:31:59,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:31:59,531 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 12:31:59,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:31:59,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1130 states to 912 states and 1130 transitions. [2018-12-08 12:31:59,975 INFO L276 IsEmpty]: Start isEmpty. Operand 912 states and 1130 transitions. [2018-12-08 12:31:59,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-08 12:31:59,976 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:31:59,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:32:00,004 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 12:32:00,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:32:00,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1138 states to 921 states and 1138 transitions. [2018-12-08 12:32:00,105 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1138 transitions. [2018-12-08 12:32:00,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-08 12:32:00,105 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:32:00,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:32:00,140 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 12:32:00,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:32:00,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1146 states to 930 states and 1146 transitions. [2018-12-08 12:32:00,309 INFO L276 IsEmpty]: Start isEmpty. Operand 930 states and 1146 transitions. [2018-12-08 12:32:00,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-08 12:32:00,309 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:32:00,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:32:00,581 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:32:02,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:32:02,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1212 states to 988 states and 1212 transitions. [2018-12-08 12:32:02,945 INFO L276 IsEmpty]: Start isEmpty. Operand 988 states and 1212 transitions. [2018-12-08 12:32:02,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-08 12:32:02,945 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:32:02,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:32:02,968 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-08 12:32:03,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:32:03,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1220 states to 992 states and 1220 transitions. [2018-12-08 12:32:03,301 INFO L276 IsEmpty]: Start isEmpty. Operand 992 states and 1220 transitions. [2018-12-08 12:32:03,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-08 12:32:03,302 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:32:03,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:32:03,342 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-08 12:32:03,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:32:03,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1225 states to 995 states and 1225 transitions. [2018-12-08 12:32:03,437 INFO L276 IsEmpty]: Start isEmpty. Operand 995 states and 1225 transitions. [2018-12-08 12:32:03,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-08 12:32:03,438 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:32:03,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:32:03,458 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 12:32:03,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:32:03,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 1018 states and 1250 transitions. [2018-12-08 12:32:03,844 INFO L276 IsEmpty]: Start isEmpty. Operand 1018 states and 1250 transitions. [2018-12-08 12:32:03,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-08 12:32:03,845 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:32:03,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:32:03,864 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 12:32:04,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:32:04,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1258 states to 1027 states and 1258 transitions. [2018-12-08 12:32:04,051 INFO L276 IsEmpty]: Start isEmpty. Operand 1027 states and 1258 transitions. [2018-12-08 12:32:04,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-08 12:32:04,052 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:32:04,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:32:04,071 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 12:32:04,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:32:04,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1276 states to 1043 states and 1276 transitions. [2018-12-08 12:32:04,516 INFO L276 IsEmpty]: Start isEmpty. Operand 1043 states and 1276 transitions. [2018-12-08 12:32:04,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-08 12:32:04,517 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:32:04,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:32:04,541 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 12:32:04,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:32:04,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1284 states to 1052 states and 1284 transitions. [2018-12-08 12:32:04,743 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1284 transitions. [2018-12-08 12:32:04,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-08 12:32:04,743 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:32:04,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:32:04,763 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 12:32:04,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:32:04,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1292 states to 1061 states and 1292 transitions. [2018-12-08 12:32:04,966 INFO L276 IsEmpty]: Start isEmpty. Operand 1061 states and 1292 transitions. [2018-12-08 12:32:04,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-08 12:32:04,967 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:32:04,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:32:05,161 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:32:09,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:32:09,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1360 states to 1121 states and 1360 transitions. [2018-12-08 12:32:09,556 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 1360 transitions. [2018-12-08 12:32:09,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-08 12:32:09,557 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:32:09,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:32:09,599 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-08 12:32:09,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:32:09,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1363 states to 1124 states and 1363 transitions. [2018-12-08 12:32:09,847 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 1363 transitions. [2018-12-08 12:32:09,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-08 12:32:09,848 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:32:09,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:32:10,050 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 78 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:32:12,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:32:12,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1403 states to 1159 states and 1403 transitions. [2018-12-08 12:32:12,578 INFO L276 IsEmpty]: Start isEmpty. Operand 1159 states and 1403 transitions. [2018-12-08 12:32:12,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-08 12:32:12,580 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:32:12,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:32:12,634 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 78 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:32:13,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:32:13,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1407 states to 1162 states and 1407 transitions. [2018-12-08 12:32:13,014 INFO L276 IsEmpty]: Start isEmpty. Operand 1162 states and 1407 transitions. [2018-12-08 12:32:13,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-08 12:32:13,015 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:32:13,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:32:13,055 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 78 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:32:14,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:32:14,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1425 states to 1182 states and 1425 transitions. [2018-12-08 12:32:14,331 INFO L276 IsEmpty]: Start isEmpty. Operand 1182 states and 1425 transitions. [2018-12-08 12:32:14,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-08 12:32:14,332 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:32:14,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:32:14,385 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 96 proven. 8 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-12-08 12:32:14,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:32:14,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1441 states to 1197 states and 1441 transitions. [2018-12-08 12:32:14,597 INFO L276 IsEmpty]: Start isEmpty. Operand 1197 states and 1441 transitions. [2018-12-08 12:32:14,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-08 12:32:14,598 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:32:14,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:32:14,666 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 96 proven. 8 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-12-08 12:32:14,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:32:14,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 1200 states and 1445 transitions. [2018-12-08 12:32:14,821 INFO L276 IsEmpty]: Start isEmpty. Operand 1200 states and 1445 transitions. [2018-12-08 12:32:14,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-08 12:32:14,822 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:32:14,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:32:15,009 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:32:16,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:32:16,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1485 states to 1236 states and 1485 transitions. [2018-12-08 12:32:16,967 INFO L276 IsEmpty]: Start isEmpty. Operand 1236 states and 1485 transitions. [2018-12-08 12:32:16,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-12-08 12:32:16,968 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:32:16,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:32:17,002 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:32:17,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:32:17,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1490 states to 1240 states and 1490 transitions. [2018-12-08 12:32:17,347 INFO L276 IsEmpty]: Start isEmpty. Operand 1240 states and 1490 transitions. [2018-12-08 12:32:17,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-12-08 12:32:17,347 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:32:17,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:32:17,376 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 12:32:17,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:32:17,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1500 states to 1247 states and 1500 transitions. [2018-12-08 12:32:17,408 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states and 1500 transitions. [2018-12-08 12:32:17,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-08 12:32:17,409 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:32:17,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:32:17,439 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-12-08 12:32:17,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:32:17,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1506 states to 1250 states and 1506 transitions. [2018-12-08 12:32:17,501 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 1506 transitions. [2018-12-08 12:32:17,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-12-08 12:32:17,502 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:32:17,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:32:17,561 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 12:32:18,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:32:18,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1550 states to 1288 states and 1550 transitions. [2018-12-08 12:32:18,995 INFO L276 IsEmpty]: Start isEmpty. Operand 1288 states and 1550 transitions. [2018-12-08 12:32:18,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-12-08 12:32:18,995 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:32:19,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:32:19,017 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:32:19,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:32:19,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1561 states to 1299 states and 1561 transitions. [2018-12-08 12:32:19,275 INFO L276 IsEmpty]: Start isEmpty. Operand 1299 states and 1561 transitions. [2018-12-08 12:32:19,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-12-08 12:32:19,275 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:32:19,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:32:19,297 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:32:19,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:32:19,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1565 states to 1302 states and 1565 transitions. [2018-12-08 12:32:19,524 INFO L276 IsEmpty]: Start isEmpty. Operand 1302 states and 1565 transitions. [2018-12-08 12:32:19,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-12-08 12:32:19,524 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:32:19,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:32:20,006 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-08 12:32:22,055 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2018-12-08 12:32:23,087 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 37 [2018-12-08 12:32:25,419 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 34 [2018-12-08 12:32:26,332 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 34 [2018-12-08 12:32:26,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:32:26,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1615 states to 1351 states and 1615 transitions. [2018-12-08 12:32:26,721 INFO L276 IsEmpty]: Start isEmpty. Operand 1351 states and 1615 transitions. [2018-12-08 12:32:26,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-12-08 12:32:26,722 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:32:26,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:32:26,788 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 84 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 12:32:27,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:32:27,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1647 states to 1381 states and 1647 transitions. [2018-12-08 12:32:27,617 INFO L276 IsEmpty]: Start isEmpty. Operand 1381 states and 1647 transitions. [2018-12-08 12:32:27,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-08 12:32:27,618 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:32:27,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:32:27,680 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 85 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-08 12:32:27,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:32:27,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1670 states to 1403 states and 1670 transitions. [2018-12-08 12:32:27,928 INFO L276 IsEmpty]: Start isEmpty. Operand 1403 states and 1670 transitions. [2018-12-08 12:32:27,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-08 12:32:27,929 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:32:27,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:32:27,991 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 85 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-08 12:32:28,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:32:28,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1681 states to 1414 states and 1681 transitions. [2018-12-08 12:32:28,305 INFO L276 IsEmpty]: Start isEmpty. Operand 1414 states and 1681 transitions. [2018-12-08 12:32:28,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-08 12:32:28,306 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:32:28,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:32:28,362 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 85 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-08 12:32:28,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:32:28,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1696 states to 1428 states and 1696 transitions. [2018-12-08 12:32:28,526 INFO L276 IsEmpty]: Start isEmpty. Operand 1428 states and 1696 transitions. [2018-12-08 12:32:28,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-12-08 12:32:28,527 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:32:28,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:32:29,054 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 12:32:34,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:32:34,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1746 states to 1476 states and 1746 transitions. [2018-12-08 12:32:34,052 INFO L276 IsEmpty]: Start isEmpty. Operand 1476 states and 1746 transitions. [2018-12-08 12:32:34,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-12-08 12:32:34,053 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:32:34,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:32:34,120 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 12:32:38,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:32:38,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1801 states to 1532 states and 1801 transitions. [2018-12-08 12:32:38,789 INFO L276 IsEmpty]: Start isEmpty. Operand 1532 states and 1801 transitions. [2018-12-08 12:32:38,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-12-08 12:32:38,790 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:32:38,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:32:38,859 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 12:32:39,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:32:39,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1805 states to 1537 states and 1805 transitions. [2018-12-08 12:32:39,295 INFO L276 IsEmpty]: Start isEmpty. Operand 1537 states and 1805 transitions. [2018-12-08 12:32:39,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-08 12:32:39,297 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:32:39,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:32:39,332 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 12:32:39,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:32:39,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1823 states to 1553 states and 1823 transitions. [2018-12-08 12:32:39,619 INFO L276 IsEmpty]: Start isEmpty. Operand 1553 states and 1823 transitions. [2018-12-08 12:32:39,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-08 12:32:39,620 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:32:39,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:32:39,650 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-08 12:32:39,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:32:39,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1832 states to 1562 states and 1832 transitions. [2018-12-08 12:32:39,689 INFO L276 IsEmpty]: Start isEmpty. Operand 1562 states and 1832 transitions. [2018-12-08 12:32:39,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-12-08 12:32:39,690 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:32:39,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:32:39,717 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-08 12:32:40,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:32:40,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1916 states to 1641 states and 1916 transitions. [2018-12-08 12:32:40,543 INFO L276 IsEmpty]: Start isEmpty. Operand 1641 states and 1916 transitions. [2018-12-08 12:32:40,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-08 12:32:40,544 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:32:40,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:32:40,601 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-12-08 12:32:42,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:32:42,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1956 states to 1669 states and 1956 transitions. [2018-12-08 12:32:42,972 INFO L276 IsEmpty]: Start isEmpty. Operand 1669 states and 1956 transitions. [2018-12-08 12:32:42,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-08 12:32:42,973 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:32:42,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:32:43,008 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-12-08 12:32:43,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:32:43,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1982 states to 1693 states and 1982 transitions. [2018-12-08 12:32:43,545 INFO L276 IsEmpty]: Start isEmpty. Operand 1693 states and 1982 transitions. [2018-12-08 12:32:43,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-08 12:32:43,546 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:32:43,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:32:43,579 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-12-08 12:32:44,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:32:44,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1998 states to 1709 states and 1998 transitions. [2018-12-08 12:32:44,001 INFO L276 IsEmpty]: Start isEmpty. Operand 1709 states and 1998 transitions. [2018-12-08 12:32:44,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-08 12:32:44,002 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:32:44,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:32:44,037 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-12-08 12:32:44,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:32:44,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2013 states to 1725 states and 2013 transitions. [2018-12-08 12:32:44,227 INFO L276 IsEmpty]: Start isEmpty. Operand 1725 states and 2013 transitions. [2018-12-08 12:32:44,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-08 12:32:44,228 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:32:44,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:32:44,261 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-12-08 12:32:44,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:32:44,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2026 states to 1739 states and 2026 transitions. [2018-12-08 12:32:44,608 INFO L276 IsEmpty]: Start isEmpty. Operand 1739 states and 2026 transitions. [2018-12-08 12:32:44,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-08 12:32:44,608 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:32:44,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:32:44,642 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-12-08 12:32:45,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:32:45,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2041 states to 1755 states and 2041 transitions. [2018-12-08 12:32:45,874 INFO L276 IsEmpty]: Start isEmpty. Operand 1755 states and 2041 transitions. [2018-12-08 12:32:45,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-08 12:32:45,875 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:32:45,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:32:46,507 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 12:32:48,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:32:48,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2068 states to 1780 states and 2068 transitions. [2018-12-08 12:32:48,990 INFO L276 IsEmpty]: Start isEmpty. Operand 1780 states and 2068 transitions. [2018-12-08 12:32:48,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-08 12:32:48,991 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:32:49,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:32:49,101 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 12:32:50,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:32:50,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2141 states to 1854 states and 2141 transitions. [2018-12-08 12:32:50,436 INFO L276 IsEmpty]: Start isEmpty. Operand 1854 states and 2141 transitions. [2018-12-08 12:32:50,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-08 12:32:50,437 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:32:50,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:32:50,575 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 12:32:50,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:32:50,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2147 states to 1858 states and 2147 transitions. [2018-12-08 12:32:50,982 INFO L276 IsEmpty]: Start isEmpty. Operand 1858 states and 2147 transitions. [2018-12-08 12:32:50,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-08 12:32:50,983 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:32:50,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:32:51,043 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 12:32:52,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:32:52,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2220 states to 1932 states and 2220 transitions. [2018-12-08 12:32:52,039 INFO L276 IsEmpty]: Start isEmpty. Operand 1932 states and 2220 transitions. [2018-12-08 12:32:52,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-12-08 12:32:52,040 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:32:52,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:32:52,106 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 116 proven. 5 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-08 12:32:52,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:32:52,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2281 states to 1986 states and 2281 transitions. [2018-12-08 12:32:52,891 INFO L276 IsEmpty]: Start isEmpty. Operand 1986 states and 2281 transitions. [2018-12-08 12:32:52,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-12-08 12:32:52,892 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:32:52,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:32:52,955 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 116 proven. 5 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-08 12:32:53,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:32:53,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2286 states to 1991 states and 2286 transitions. [2018-12-08 12:32:53,481 INFO L276 IsEmpty]: Start isEmpty. Operand 1991 states and 2286 transitions. [2018-12-08 12:32:53,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-12-08 12:32:53,483 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:32:53,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:32:53,564 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 116 proven. 5 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-08 12:32:54,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:32:54,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2290 states to 1994 states and 2290 transitions. [2018-12-08 12:32:54,034 INFO L276 IsEmpty]: Start isEmpty. Operand 1994 states and 2290 transitions. [2018-12-08 12:32:54,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-12-08 12:32:54,035 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:32:54,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:32:54,105 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 116 proven. 5 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-08 12:32:54,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:32:54,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2304 states to 2009 states and 2304 transitions. [2018-12-08 12:32:54,692 INFO L276 IsEmpty]: Start isEmpty. Operand 2009 states and 2304 transitions. [2018-12-08 12:32:54,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-12-08 12:32:54,693 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:32:54,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:32:54,770 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 116 proven. 5 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-08 12:32:55,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:32:55,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2308 states to 2014 states and 2308 transitions. [2018-12-08 12:32:55,105 INFO L276 IsEmpty]: Start isEmpty. Operand 2014 states and 2308 transitions. [2018-12-08 12:32:55,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-12-08 12:32:55,106 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:32:55,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:32:55,189 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-08 12:32:57,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:32:57,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2331 states to 2038 states and 2331 transitions. [2018-12-08 12:32:57,449 INFO L276 IsEmpty]: Start isEmpty. Operand 2038 states and 2331 transitions. [2018-12-08 12:32:57,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-12-08 12:32:57,451 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:32:57,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:32:57,540 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-08 12:33:00,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:33:00,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2354 states to 2062 states and 2354 transitions. [2018-12-08 12:33:00,144 INFO L276 IsEmpty]: Start isEmpty. Operand 2062 states and 2354 transitions. [2018-12-08 12:33:00,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-12-08 12:33:00,145 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:33:00,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:33:00,232 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-08 12:33:02,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:33:02,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2377 states to 2086 states and 2377 transitions. [2018-12-08 12:33:02,050 INFO L276 IsEmpty]: Start isEmpty. Operand 2086 states and 2377 transitions. [2018-12-08 12:33:02,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-12-08 12:33:02,052 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:33:02,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:33:02,878 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 12:33:06,631 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 34 [2018-12-08 12:33:07,476 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2018-12-08 12:33:09,805 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 30 [2018-12-08 12:33:10,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:33:10,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2473 states to 2178 states and 2473 transitions. [2018-12-08 12:33:10,756 INFO L276 IsEmpty]: Start isEmpty. Operand 2178 states and 2473 transitions. [2018-12-08 12:33:10,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-12-08 12:33:10,758 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:33:10,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:33:10,799 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 130 proven. 3 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-08 12:33:10,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:33:10,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2496 states to 2198 states and 2496 transitions. [2018-12-08 12:33:10,877 INFO L276 IsEmpty]: Start isEmpty. Operand 2198 states and 2496 transitions. [2018-12-08 12:33:10,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-12-08 12:33:10,878 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:33:10,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:33:10,920 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 130 proven. 3 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-08 12:33:11,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:33:11,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2526 states to 2226 states and 2526 transitions. [2018-12-08 12:33:11,458 INFO L276 IsEmpty]: Start isEmpty. Operand 2226 states and 2526 transitions. [2018-12-08 12:33:11,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-08 12:33:11,459 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:33:11,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:33:12,325 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 12:33:20,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:33:20,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2596 states to 2292 states and 2596 transitions. [2018-12-08 12:33:20,153 INFO L276 IsEmpty]: Start isEmpty. Operand 2292 states and 2596 transitions. [2018-12-08 12:33:20,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-08 12:33:20,154 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:33:20,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:33:20,246 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 12:33:22,715 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2018-12-08 12:33:23,877 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2018-12-08 12:33:25,398 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 46 [2018-12-08 12:33:27,006 WARN L180 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 46 [2018-12-08 12:33:28,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:33:28,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2632 states to 2325 states and 2632 transitions. [2018-12-08 12:33:28,481 INFO L276 IsEmpty]: Start isEmpty. Operand 2325 states and 2632 transitions. [2018-12-08 12:33:28,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-08 12:33:28,482 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:33:28,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:33:28,588 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 12:33:28,849 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2018-12-08 12:33:30,417 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2018-12-08 12:33:32,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:33:32,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2643 states to 2336 states and 2643 transitions. [2018-12-08 12:33:32,116 INFO L276 IsEmpty]: Start isEmpty. Operand 2336 states and 2643 transitions. [2018-12-08 12:33:32,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-08 12:33:32,119 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:33:32,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:33:32,217 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 12:33:34,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:33:34,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2657 states to 2351 states and 2657 transitions. [2018-12-08 12:33:34,168 INFO L276 IsEmpty]: Start isEmpty. Operand 2351 states and 2657 transitions. [2018-12-08 12:33:34,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-08 12:33:34,169 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:33:34,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:33:34,262 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 12:33:35,038 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2018-12-08 12:33:39,036 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 39 [2018-12-08 12:33:44,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:33:44,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2710 states to 2407 states and 2710 transitions. [2018-12-08 12:33:44,846 INFO L276 IsEmpty]: Start isEmpty. Operand 2407 states and 2710 transitions. [2018-12-08 12:33:44,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-08 12:33:44,847 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:33:44,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:33:44,939 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 12:33:45,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:33:45,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2724 states to 2422 states and 2724 transitions. [2018-12-08 12:33:45,887 INFO L276 IsEmpty]: Start isEmpty. Operand 2422 states and 2724 transitions. [2018-12-08 12:33:45,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-12-08 12:33:45,888 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:33:45,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:33:46,195 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 187 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-08 12:33:48,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:33:48,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2797 states to 2480 states and 2797 transitions. [2018-12-08 12:33:48,305 INFO L276 IsEmpty]: Start isEmpty. Operand 2480 states and 2797 transitions. [2018-12-08 12:33:48,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-12-08 12:33:48,306 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:33:48,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:33:48,483 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 187 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-08 12:33:50,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:33:50,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2816 states to 2499 states and 2816 transitions. [2018-12-08 12:33:50,279 INFO L276 IsEmpty]: Start isEmpty. Operand 2499 states and 2816 transitions. [2018-12-08 12:33:50,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-12-08 12:33:50,281 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:33:50,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:33:50,470 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 187 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-08 12:33:50,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:33:50,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2832 states to 2515 states and 2832 transitions. [2018-12-08 12:33:50,836 INFO L276 IsEmpty]: Start isEmpty. Operand 2515 states and 2832 transitions. [2018-12-08 12:33:50,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-12-08 12:33:50,837 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:33:50,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:33:51,016 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 187 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-08 12:33:51,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:33:51,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2848 states to 2529 states and 2848 transitions. [2018-12-08 12:33:51,410 INFO L276 IsEmpty]: Start isEmpty. Operand 2529 states and 2848 transitions. [2018-12-08 12:33:51,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-12-08 12:33:51,411 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:33:51,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:33:51,596 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 187 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-08 12:33:51,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:33:51,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2855 states to 2536 states and 2855 transitions. [2018-12-08 12:33:51,931 INFO L276 IsEmpty]: Start isEmpty. Operand 2536 states and 2855 transitions. [2018-12-08 12:33:51,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-12-08 12:33:51,932 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:33:51,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:33:52,134 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 187 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-08 12:33:52,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:33:52,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2864 states to 2545 states and 2864 transitions. [2018-12-08 12:33:52,548 INFO L276 IsEmpty]: Start isEmpty. Operand 2545 states and 2864 transitions. [2018-12-08 12:33:52,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-12-08 12:33:52,549 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:33:52,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:33:52,717 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 187 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-08 12:33:53,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:33:53,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2872 states to 2554 states and 2872 transitions. [2018-12-08 12:33:53,141 INFO L276 IsEmpty]: Start isEmpty. Operand 2554 states and 2872 transitions. [2018-12-08 12:33:53,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-12-08 12:33:53,142 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:33:53,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:33:53,186 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 202 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-08 12:33:53,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:33:53,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2881 states to 2558 states and 2881 transitions. [2018-12-08 12:33:53,584 INFO L276 IsEmpty]: Start isEmpty. Operand 2558 states and 2881 transitions. [2018-12-08 12:33:53,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-12-08 12:33:53,585 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:33:53,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:33:53,615 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-12-08 12:33:53,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:33:53,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2909 states to 2585 states and 2909 transitions. [2018-12-08 12:33:53,945 INFO L276 IsEmpty]: Start isEmpty. Operand 2585 states and 2909 transitions. [2018-12-08 12:33:53,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-12-08 12:33:53,947 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:33:53,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:33:54,030 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-08 12:33:56,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:33:56,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2961 states to 2631 states and 2961 transitions. [2018-12-08 12:33:56,522 INFO L276 IsEmpty]: Start isEmpty. Operand 2631 states and 2961 transitions. [2018-12-08 12:33:56,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-12-08 12:33:56,523 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:33:56,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:33:56,596 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-08 12:33:57,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:33:57,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2978 states to 2650 states and 2978 transitions. [2018-12-08 12:33:57,777 INFO L276 IsEmpty]: Start isEmpty. Operand 2650 states and 2978 transitions. [2018-12-08 12:33:57,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-12-08 12:33:57,778 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:33:57,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:33:57,850 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-08 12:33:58,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:33:58,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2986 states to 2659 states and 2986 transitions. [2018-12-08 12:33:58,268 INFO L276 IsEmpty]: Start isEmpty. Operand 2659 states and 2986 transitions. [2018-12-08 12:33:58,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-12-08 12:33:58,269 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:33:58,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:33:58,300 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-12-08 12:33:58,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:33:58,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2987 states to 2660 states and 2987 transitions. [2018-12-08 12:33:58,453 INFO L276 IsEmpty]: Start isEmpty. Operand 2660 states and 2987 transitions. [2018-12-08 12:33:58,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-12-08 12:33:58,454 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:33:58,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:34:01,285 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 235 proven. 28 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-08 12:34:04,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:34:04,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3013 states to 2680 states and 3013 transitions. [2018-12-08 12:34:04,226 INFO L276 IsEmpty]: Start isEmpty. Operand 2680 states and 3013 transitions. [2018-12-08 12:34:04,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-12-08 12:34:04,227 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:34:04,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:34:04,304 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 195 proven. 4 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-12-08 12:34:05,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:34:05,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3047 states to 2708 states and 3047 transitions. [2018-12-08 12:34:05,773 INFO L276 IsEmpty]: Start isEmpty. Operand 2708 states and 3047 transitions. [2018-12-08 12:34:05,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-12-08 12:34:05,775 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:34:05,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:34:05,835 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 195 proven. 4 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-12-08 12:34:06,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:34:06,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3052 states to 2712 states and 3052 transitions. [2018-12-08 12:34:06,568 INFO L276 IsEmpty]: Start isEmpty. Operand 2712 states and 3052 transitions. [2018-12-08 12:34:06,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-12-08 12:34:06,569 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:34:06,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:34:06,626 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 195 proven. 4 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-12-08 12:34:07,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:34:07,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3067 states to 2728 states and 3067 transitions. [2018-12-08 12:34:07,022 INFO L276 IsEmpty]: Start isEmpty. Operand 2728 states and 3067 transitions. [2018-12-08 12:34:07,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-12-08 12:34:07,023 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:34:07,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:34:07,075 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 195 proven. 4 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-12-08 12:34:07,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:34:07,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3080 states to 2742 states and 3080 transitions. [2018-12-08 12:34:07,503 INFO L276 IsEmpty]: Start isEmpty. Operand 2742 states and 3080 transitions. [2018-12-08 12:34:07,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-12-08 12:34:07,504 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:34:07,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:34:07,718 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 206 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-08 12:34:08,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:34:08,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3087 states to 2746 states and 3087 transitions. [2018-12-08 12:34:08,639 INFO L276 IsEmpty]: Start isEmpty. Operand 2746 states and 3087 transitions. [2018-12-08 12:34:08,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-12-08 12:34:08,640 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:34:08,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:34:08,871 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 218 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-08 12:34:09,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:34:09,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3090 states to 2749 states and 3090 transitions. [2018-12-08 12:34:09,808 INFO L276 IsEmpty]: Start isEmpty. Operand 2749 states and 3090 transitions. [2018-12-08 12:34:09,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-12-08 12:34:09,810 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:34:09,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:34:09,945 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 249 proven. 42 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-08 12:34:10,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:34:10,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3102 states to 2756 states and 3102 transitions. [2018-12-08 12:34:10,376 INFO L276 IsEmpty]: Start isEmpty. Operand 2756 states and 3102 transitions. [2018-12-08 12:34:10,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-12-08 12:34:10,377 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:34:10,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:34:10,420 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-12-08 12:34:20,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:34:20,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3182 states to 2835 states and 3182 transitions. [2018-12-08 12:34:20,063 INFO L276 IsEmpty]: Start isEmpty. Operand 2835 states and 3182 transitions. [2018-12-08 12:34:20,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-12-08 12:34:20,065 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:34:20,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:34:20,100 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 201 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-12-08 12:34:20,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:34:20,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3184 states to 2837 states and 3184 transitions. [2018-12-08 12:34:20,386 INFO L276 IsEmpty]: Start isEmpty. Operand 2837 states and 3184 transitions. [2018-12-08 12:34:20,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-12-08 12:34:20,387 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:34:20,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:34:20,427 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 177 proven. 15 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-08 12:34:21,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:34:21,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3192 states to 2845 states and 3192 transitions. [2018-12-08 12:34:21,188 INFO L276 IsEmpty]: Start isEmpty. Operand 2845 states and 3192 transitions. [2018-12-08 12:34:21,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-12-08 12:34:21,189 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:34:21,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:34:21,217 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 266 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-12-08 12:34:22,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:34:22,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3201 states to 2852 states and 3201 transitions. [2018-12-08 12:34:22,036 INFO L276 IsEmpty]: Start isEmpty. Operand 2852 states and 3201 transitions. [2018-12-08 12:34:22,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-12-08 12:34:22,038 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:34:22,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:34:22,066 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 266 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-12-08 12:34:22,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:34:22,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3203 states to 2855 states and 3203 transitions. [2018-12-08 12:34:22,491 INFO L276 IsEmpty]: Start isEmpty. Operand 2855 states and 3203 transitions. [2018-12-08 12:34:22,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-12-08 12:34:22,492 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:34:22,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:34:22,546 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 209 proven. 4 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-12-08 12:34:22,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:34:22,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3227 states to 2879 states and 3227 transitions. [2018-12-08 12:34:22,756 INFO L276 IsEmpty]: Start isEmpty. Operand 2879 states and 3227 transitions. [2018-12-08 12:34:22,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-12-08 12:34:22,757 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:34:22,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:34:23,158 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 285 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-12-08 12:34:26,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:34:26,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3248 states to 2895 states and 3248 transitions. [2018-12-08 12:34:26,143 INFO L276 IsEmpty]: Start isEmpty. Operand 2895 states and 3248 transitions. [2018-12-08 12:34:26,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-12-08 12:34:26,144 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:34:26,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:34:26,178 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 285 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-12-08 12:34:27,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:34:27,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3250 states to 2898 states and 3250 transitions. [2018-12-08 12:34:27,208 INFO L276 IsEmpty]: Start isEmpty. Operand 2898 states and 3250 transitions. [2018-12-08 12:34:27,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-12-08 12:34:27,211 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:34:27,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:34:27,272 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2018-12-08 12:34:27,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:34:27,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3250 states to 2899 states and 3250 transitions. [2018-12-08 12:34:27,509 INFO L276 IsEmpty]: Start isEmpty. Operand 2899 states and 3250 transitions. [2018-12-08 12:34:27,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-12-08 12:34:27,510 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:34:27,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:34:27,550 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 261 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-08 12:34:27,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:34:27,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3254 states to 2903 states and 3254 transitions. [2018-12-08 12:34:27,921 INFO L276 IsEmpty]: Start isEmpty. Operand 2903 states and 3254 transitions. [2018-12-08 12:34:27,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-12-08 12:34:27,922 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:34:27,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:34:27,962 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 261 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-08 12:34:28,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:34:28,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3274 states to 2922 states and 3274 transitions. [2018-12-08 12:34:28,673 INFO L276 IsEmpty]: Start isEmpty. Operand 2922 states and 3274 transitions. [2018-12-08 12:34:28,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-12-08 12:34:28,674 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:34:28,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:34:28,757 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 168 proven. 4 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2018-12-08 12:34:29,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:34:29,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3281 states to 2927 states and 3281 transitions. [2018-12-08 12:34:29,319 INFO L276 IsEmpty]: Start isEmpty. Operand 2927 states and 3281 transitions. [2018-12-08 12:34:29,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-12-08 12:34:29,321 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:34:29,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:34:30,153 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 303 proven. 61 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-12-08 12:34:33,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:34:33,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3327 states to 2963 states and 3327 transitions. [2018-12-08 12:34:33,766 INFO L276 IsEmpty]: Start isEmpty. Operand 2963 states and 3327 transitions. [2018-12-08 12:34:33,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-12-08 12:34:33,767 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:34:33,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:34:33,995 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 303 proven. 61 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-12-08 12:34:35,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:34:35,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3347 states to 2982 states and 3347 transitions. [2018-12-08 12:34:35,109 INFO L276 IsEmpty]: Start isEmpty. Operand 2982 states and 3347 transitions. [2018-12-08 12:34:35,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-12-08 12:34:35,110 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:34:35,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:34:35,355 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 303 proven. 61 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-12-08 12:34:36,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:34:36,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3355 states to 2991 states and 3355 transitions. [2018-12-08 12:34:36,403 INFO L276 IsEmpty]: Start isEmpty. Operand 2991 states and 3355 transitions. [2018-12-08 12:34:36,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-12-08 12:34:36,405 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:34:36,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:34:36,646 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 303 proven. 61 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-12-08 12:34:37,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:34:37,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3364 states to 3000 states and 3364 transitions. [2018-12-08 12:34:37,337 INFO L276 IsEmpty]: Start isEmpty. Operand 3000 states and 3364 transitions. [2018-12-08 12:34:37,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-12-08 12:34:37,338 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:34:37,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:34:37,394 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2018-12-08 12:34:37,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:34:37,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3369 states to 3006 states and 3369 transitions. [2018-12-08 12:34:37,457 INFO L276 IsEmpty]: Start isEmpty. Operand 3006 states and 3369 transitions. [2018-12-08 12:34:37,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-08 12:34:37,458 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:34:37,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:34:37,583 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 297 proven. 4 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-12-08 12:34:42,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:34:42,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3438 states to 3063 states and 3438 transitions. [2018-12-08 12:34:42,049 INFO L276 IsEmpty]: Start isEmpty. Operand 3063 states and 3438 transitions. [2018-12-08 12:34:42,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-08 12:34:42,051 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:34:42,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:34:42,151 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 297 proven. 4 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-12-08 12:34:44,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:34:44,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3468 states to 3092 states and 3468 transitions. [2018-12-08 12:34:44,470 INFO L276 IsEmpty]: Start isEmpty. Operand 3092 states and 3468 transitions. [2018-12-08 12:34:44,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-08 12:34:44,471 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:34:44,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:34:44,575 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 297 proven. 4 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-12-08 12:34:44,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:34:44,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3476 states to 3101 states and 3476 transitions. [2018-12-08 12:34:44,977 INFO L276 IsEmpty]: Start isEmpty. Operand 3101 states and 3476 transitions. [2018-12-08 12:34:44,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-08 12:34:44,978 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:34:44,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:34:45,073 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 297 proven. 4 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-12-08 12:34:45,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:34:45,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3489 states to 3115 states and 3489 transitions. [2018-12-08 12:34:45,540 INFO L276 IsEmpty]: Start isEmpty. Operand 3115 states and 3489 transitions. [2018-12-08 12:34:45,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-08 12:34:45,542 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:34:45,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:34:45,682 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 297 proven. 4 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-12-08 12:34:46,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:34:46,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3505 states to 3131 states and 3505 transitions. [2018-12-08 12:34:46,135 INFO L276 IsEmpty]: Start isEmpty. Operand 3131 states and 3505 transitions. [2018-12-08 12:34:46,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2018-12-08 12:34:46,136 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:34:46,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:34:46,251 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 191 proven. 15 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2018-12-08 12:34:47,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:34:47,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3533 states to 3151 states and 3533 transitions. [2018-12-08 12:34:47,583 INFO L276 IsEmpty]: Start isEmpty. Operand 3151 states and 3533 transitions. [2018-12-08 12:34:47,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-12-08 12:34:47,585 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:34:47,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:34:47,676 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 313 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-12-08 12:34:48,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:34:48,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3536 states to 3152 states and 3536 transitions. [2018-12-08 12:34:48,014 INFO L276 IsEmpty]: Start isEmpty. Operand 3152 states and 3536 transitions. [2018-12-08 12:34:48,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-12-08 12:34:48,016 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:34:48,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:34:48,075 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 366 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-08 12:34:56,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:34:56,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3578 states to 3185 states and 3578 transitions. [2018-12-08 12:34:56,873 INFO L276 IsEmpty]: Start isEmpty. Operand 3185 states and 3578 transitions. [2018-12-08 12:34:56,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-12-08 12:34:56,876 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:34:56,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:34:56,983 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 366 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-08 12:34:57,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:34:57,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3584 states to 3192 states and 3584 transitions. [2018-12-08 12:34:57,204 INFO L276 IsEmpty]: Start isEmpty. Operand 3192 states and 3584 transitions. [2018-12-08 12:34:57,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-12-08 12:34:57,205 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:34:57,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:00,776 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 359 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:35:03,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:03,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3586 states to 3193 states and 3586 transitions. [2018-12-08 12:35:03,065 INFO L276 IsEmpty]: Start isEmpty. Operand 3193 states and 3586 transitions. [2018-12-08 12:35:03,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-12-08 12:35:03,067 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:03,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:03,164 INFO L134 CoverageAnalysis]: Checked inductivity of 397 backedges. 204 proven. 15 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2018-12-08 12:35:04,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:04,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3592 states to 3195 states and 3592 transitions. [2018-12-08 12:35:04,277 INFO L276 IsEmpty]: Start isEmpty. Operand 3195 states and 3592 transitions. [2018-12-08 12:35:04,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-12-08 12:35:04,279 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:04,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:04,378 INFO L134 CoverageAnalysis]: Checked inductivity of 397 backedges. 204 proven. 15 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2018-12-08 12:35:04,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:04,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3597 states to 3199 states and 3597 transitions. [2018-12-08 12:35:04,915 INFO L276 IsEmpty]: Start isEmpty. Operand 3199 states and 3597 transitions. [2018-12-08 12:35:04,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-12-08 12:35:04,916 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:04,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:05,019 INFO L134 CoverageAnalysis]: Checked inductivity of 397 backedges. 204 proven. 15 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2018-12-08 12:35:05,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:05,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3602 states to 3203 states and 3602 transitions. [2018-12-08 12:35:05,120 INFO L276 IsEmpty]: Start isEmpty. Operand 3203 states and 3602 transitions. [2018-12-08 12:35:05,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2018-12-08 12:35:05,121 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:05,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:05,185 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 276 proven. 15 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-12-08 12:35:05,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:05,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3604 states to 3205 states and 3604 transitions. [2018-12-08 12:35:05,611 INFO L276 IsEmpty]: Start isEmpty. Operand 3205 states and 3604 transitions. [2018-12-08 12:35:05,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2018-12-08 12:35:05,612 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:05,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:05,678 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 209 proven. 6 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2018-12-08 12:35:05,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:05,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3622 states to 3224 states and 3622 transitions. [2018-12-08 12:35:05,772 INFO L276 IsEmpty]: Start isEmpty. Operand 3224 states and 3622 transitions. [2018-12-08 12:35:05,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2018-12-08 12:35:05,773 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:05,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:05,839 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 209 proven. 6 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2018-12-08 12:35:06,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:06,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3622 states to 3225 states and 3622 transitions. [2018-12-08 12:35:06,197 INFO L276 IsEmpty]: Start isEmpty. Operand 3225 states and 3622 transitions. [2018-12-08 12:35:06,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-12-08 12:35:06,199 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:06,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:06,685 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 306 proven. 68 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-08 12:35:08,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:08,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3645 states to 3246 states and 3645 transitions. [2018-12-08 12:35:08,222 INFO L276 IsEmpty]: Start isEmpty. Operand 3246 states and 3645 transitions. [2018-12-08 12:35:08,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-12-08 12:35:08,224 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:08,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:09,201 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 306 proven. 68 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-08 12:35:10,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:10,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3660 states to 3262 states and 3660 transitions. [2018-12-08 12:35:10,837 INFO L276 IsEmpty]: Start isEmpty. Operand 3262 states and 3660 transitions. [2018-12-08 12:35:10,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2018-12-08 12:35:10,839 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:10,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:10,909 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2018-12-08 12:35:11,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:11,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3676 states to 3278 states and 3676 transitions. [2018-12-08 12:35:11,543 INFO L276 IsEmpty]: Start isEmpty. Operand 3278 states and 3676 transitions. [2018-12-08 12:35:11,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2018-12-08 12:35:11,544 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:11,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:11,604 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 349 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-08 12:35:14,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:14,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3722 states to 3316 states and 3722 transitions. [2018-12-08 12:35:14,104 INFO L276 IsEmpty]: Start isEmpty. Operand 3316 states and 3722 transitions. [2018-12-08 12:35:14,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2018-12-08 12:35:14,105 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:14,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:14,165 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 349 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-08 12:35:18,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:18,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3758 states to 3347 states and 3758 transitions. [2018-12-08 12:35:18,381 INFO L276 IsEmpty]: Start isEmpty. Operand 3347 states and 3758 transitions. [2018-12-08 12:35:18,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2018-12-08 12:35:18,384 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:18,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:18,450 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 349 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-08 12:35:20,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:20,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3781 states to 3370 states and 3781 transitions. [2018-12-08 12:35:20,553 INFO L276 IsEmpty]: Start isEmpty. Operand 3370 states and 3781 transitions. [2018-12-08 12:35:20,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2018-12-08 12:35:20,555 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:20,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:20,618 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 349 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-08 12:35:21,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:21,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3785 states to 3375 states and 3785 transitions. [2018-12-08 12:35:21,087 INFO L276 IsEmpty]: Start isEmpty. Operand 3375 states and 3785 transitions. [2018-12-08 12:35:21,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2018-12-08 12:35:21,088 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:21,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:21,148 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 349 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-08 12:35:21,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:21,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3789 states to 3380 states and 3789 transitions. [2018-12-08 12:35:21,962 INFO L276 IsEmpty]: Start isEmpty. Operand 3380 states and 3789 transitions. [2018-12-08 12:35:21,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2018-12-08 12:35:21,965 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:21,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:22,068 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 349 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-08 12:35:22,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:22,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3793 states to 3384 states and 3793 transitions. [2018-12-08 12:35:22,112 INFO L276 IsEmpty]: Start isEmpty. Operand 3384 states and 3793 transitions. [2018-12-08 12:35:22,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2018-12-08 12:35:22,114 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:22,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:22,174 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 349 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-08 12:35:22,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:22,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3808 states to 3400 states and 3808 transitions. [2018-12-08 12:35:22,475 INFO L276 IsEmpty]: Start isEmpty. Operand 3400 states and 3808 transitions. [2018-12-08 12:35:22,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-12-08 12:35:22,477 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:22,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:22,556 INFO L134 CoverageAnalysis]: Checked inductivity of 487 backedges. 406 proven. 4 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-12-08 12:35:23,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:23,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3834 states to 3424 states and 3834 transitions. [2018-12-08 12:35:23,707 INFO L276 IsEmpty]: Start isEmpty. Operand 3424 states and 3834 transitions. [2018-12-08 12:35:23,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-12-08 12:35:23,708 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:23,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:23,775 INFO L134 CoverageAnalysis]: Checked inductivity of 487 backedges. 406 proven. 4 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-12-08 12:35:24,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:24,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3847 states to 3438 states and 3847 transitions. [2018-12-08 12:35:24,300 INFO L276 IsEmpty]: Start isEmpty. Operand 3438 states and 3847 transitions. [2018-12-08 12:35:24,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-12-08 12:35:24,302 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:24,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:24,368 INFO L134 CoverageAnalysis]: Checked inductivity of 487 backedges. 406 proven. 4 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-12-08 12:35:24,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:24,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3921 states to 3511 states and 3921 transitions. [2018-12-08 12:35:24,788 INFO L276 IsEmpty]: Start isEmpty. Operand 3511 states and 3921 transitions. [2018-12-08 12:35:24,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-12-08 12:35:24,789 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:24,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:24,865 INFO L134 CoverageAnalysis]: Checked inductivity of 487 backedges. 406 proven. 4 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-12-08 12:35:25,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:25,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3936 states to 3527 states and 3936 transitions. [2018-12-08 12:35:25,368 INFO L276 IsEmpty]: Start isEmpty. Operand 3527 states and 3936 transitions. [2018-12-08 12:35:25,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-12-08 12:35:25,370 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:25,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:25,453 INFO L134 CoverageAnalysis]: Checked inductivity of 487 backedges. 406 proven. 4 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-12-08 12:35:25,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:25,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3940 states to 3530 states and 3940 transitions. [2018-12-08 12:35:25,703 INFO L276 IsEmpty]: Start isEmpty. Operand 3530 states and 3940 transitions. [2018-12-08 12:35:25,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-12-08 12:35:25,705 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:25,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:25,772 INFO L134 CoverageAnalysis]: Checked inductivity of 487 backedges. 406 proven. 4 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-12-08 12:35:26,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:26,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3956 states to 3546 states and 3956 transitions. [2018-12-08 12:35:26,692 INFO L276 IsEmpty]: Start isEmpty. Operand 3546 states and 3956 transitions. [2018-12-08 12:35:26,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-12-08 12:35:26,694 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:26,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:26,762 INFO L134 CoverageAnalysis]: Checked inductivity of 487 backedges. 406 proven. 4 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-12-08 12:35:27,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:27,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3969 states to 3560 states and 3969 transitions. [2018-12-08 12:35:27,300 INFO L276 IsEmpty]: Start isEmpty. Operand 3560 states and 3969 transitions. [2018-12-08 12:35:27,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-12-08 12:35:27,302 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:27,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:27,368 INFO L134 CoverageAnalysis]: Checked inductivity of 487 backedges. 406 proven. 4 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-12-08 12:35:27,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:27,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3984 states to 3576 states and 3984 transitions. [2018-12-08 12:35:27,862 INFO L276 IsEmpty]: Start isEmpty. Operand 3576 states and 3984 transitions. [2018-12-08 12:35:27,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-12-08 12:35:27,864 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:27,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:27,936 INFO L134 CoverageAnalysis]: Checked inductivity of 565 backedges. 388 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2018-12-08 12:35:28,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:28,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3985 states to 3578 states and 3985 transitions. [2018-12-08 12:35:28,239 INFO L276 IsEmpty]: Start isEmpty. Operand 3578 states and 3985 transitions. [2018-12-08 12:35:28,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2018-12-08 12:35:28,241 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:28,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:29,768 INFO L134 CoverageAnalysis]: Checked inductivity of 672 backedges. 607 proven. 4 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-12-08 12:35:35,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:35,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4010 states to 3599 states and 4010 transitions. [2018-12-08 12:35:35,292 INFO L276 IsEmpty]: Start isEmpty. Operand 3599 states and 4010 transitions. [2018-12-08 12:35:35,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2018-12-08 12:35:35,294 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:35,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:36,272 INFO L134 CoverageAnalysis]: Checked inductivity of 614 backedges. 511 proven. 4 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-12-08 12:35:39,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:39,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4102 states to 3684 states and 4102 transitions. [2018-12-08 12:35:39,228 INFO L276 IsEmpty]: Start isEmpty. Operand 3684 states and 4102 transitions. [2018-12-08 12:35:39,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2018-12-08 12:35:39,231 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:39,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:39,380 INFO L134 CoverageAnalysis]: Checked inductivity of 614 backedges. 511 proven. 4 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-12-08 12:35:39,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:39,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4103 states to 3686 states and 4103 transitions. [2018-12-08 12:35:39,741 INFO L276 IsEmpty]: Start isEmpty. Operand 3686 states and 4103 transitions. [2018-12-08 12:35:39,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2018-12-08 12:35:39,743 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:39,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:39,869 INFO L134 CoverageAnalysis]: Checked inductivity of 639 backedges. 417 proven. 0 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2018-12-08 12:35:40,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:40,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4112 states to 3695 states and 4112 transitions. [2018-12-08 12:35:40,359 INFO L276 IsEmpty]: Start isEmpty. Operand 3695 states and 4112 transitions. [2018-12-08 12:35:40,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2018-12-08 12:35:40,360 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:40,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:40,888 INFO L134 CoverageAnalysis]: Checked inductivity of 674 backedges. 532 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2018-12-08 12:35:43,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:43,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4204 states to 3785 states and 4204 transitions. [2018-12-08 12:35:43,531 INFO L276 IsEmpty]: Start isEmpty. Operand 3785 states and 4204 transitions. [2018-12-08 12:35:43,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2018-12-08 12:35:43,533 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:43,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:43,911 INFO L134 CoverageAnalysis]: Checked inductivity of 699 backedges. 547 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2018-12-08 12:35:49,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:49,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4300 states to 3875 states and 4300 transitions. [2018-12-08 12:35:49,851 INFO L276 IsEmpty]: Start isEmpty. Operand 3875 states and 4300 transitions. [2018-12-08 12:35:49,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2018-12-08 12:35:49,853 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:49,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:49,995 INFO L134 CoverageAnalysis]: Checked inductivity of 699 backedges. 547 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2018-12-08 12:35:51,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:51,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4320 states to 3896 states and 4320 transitions. [2018-12-08 12:35:51,867 INFO L276 IsEmpty]: Start isEmpty. Operand 3896 states and 4320 transitions. [2018-12-08 12:35:51,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2018-12-08 12:35:51,869 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:51,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:52,009 INFO L134 CoverageAnalysis]: Checked inductivity of 699 backedges. 547 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2018-12-08 12:35:52,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:52,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4333 states to 3910 states and 4333 transitions. [2018-12-08 12:35:52,786 INFO L276 IsEmpty]: Start isEmpty. Operand 3910 states and 4333 transitions. [2018-12-08 12:35:52,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2018-12-08 12:35:52,788 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:52,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:53,127 INFO L134 CoverageAnalysis]: Checked inductivity of 729 backedges. 546 proven. 0 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2018-12-08 12:36:04,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:36:04,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4376 states to 3946 states and 4376 transitions. [2018-12-08 12:36:04,190 INFO L276 IsEmpty]: Start isEmpty. Operand 3946 states and 4376 transitions. [2018-12-08 12:36:04,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2018-12-08 12:36:04,192 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:36:04,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:36:04,267 INFO L134 CoverageAnalysis]: Checked inductivity of 729 backedges. 546 proven. 0 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2018-12-08 12:36:05,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:36:05,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4382 states to 3952 states and 4382 transitions. [2018-12-08 12:36:05,048 INFO L276 IsEmpty]: Start isEmpty. Operand 3952 states and 4382 transitions. [2018-12-08 12:36:05,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2018-12-08 12:36:05,050 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:36:05,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:36:05,123 INFO L134 CoverageAnalysis]: Checked inductivity of 729 backedges. 546 proven. 0 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2018-12-08 12:36:05,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:36:05,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4398 states to 3968 states and 4398 transitions. [2018-12-08 12:36:05,744 INFO L276 IsEmpty]: Start isEmpty. Operand 3968 states and 4398 transitions. [2018-12-08 12:36:05,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2018-12-08 12:36:05,746 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:36:05,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:36:06,323 INFO L134 CoverageAnalysis]: Checked inductivity of 681 backedges. 487 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2018-12-08 12:36:10,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:36:10,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4478 states to 4046 states and 4478 transitions. [2018-12-08 12:36:10,369 INFO L276 IsEmpty]: Start isEmpty. Operand 4046 states and 4478 transitions. [2018-12-08 12:36:10,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2018-12-08 12:36:10,372 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:36:10,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:36:10,458 INFO L134 CoverageAnalysis]: Checked inductivity of 773 backedges. 529 proven. 4 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2018-12-08 12:36:10,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:36:10,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4480 states to 4048 states and 4480 transitions. [2018-12-08 12:36:10,931 INFO L276 IsEmpty]: Start isEmpty. Operand 4048 states and 4480 transitions. [2018-12-08 12:36:10,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2018-12-08 12:36:10,933 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:36:10,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:36:12,127 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 558 proven. 0 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2018-12-08 12:36:14,993 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2018-12-08 12:36:18,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:36:18,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4519 states to 4086 states and 4519 transitions. [2018-12-08 12:36:18,871 INFO L276 IsEmpty]: Start isEmpty. Operand 4086 states and 4519 transitions. [2018-12-08 12:36:18,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2018-12-08 12:36:18,874 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:36:18,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:36:19,306 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 558 proven. 0 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2018-12-08 12:36:21,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:36:21,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4525 states to 4093 states and 4525 transitions. [2018-12-08 12:36:21,532 INFO L276 IsEmpty]: Start isEmpty. Operand 4093 states and 4525 transitions. [2018-12-08 12:36:21,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2018-12-08 12:36:21,534 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:36:21,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:36:22,016 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 558 proven. 0 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2018-12-08 12:36:22,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:36:22,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4528 states to 4096 states and 4528 transitions. [2018-12-08 12:36:22,506 INFO L276 IsEmpty]: Start isEmpty. Operand 4096 states and 4528 transitions. [2018-12-08 12:36:22,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2018-12-08 12:36:22,508 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:36:22,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:36:22,905 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 558 proven. 0 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2018-12-08 12:36:25,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:36:25,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4545 states to 4114 states and 4545 transitions. [2018-12-08 12:36:25,402 INFO L276 IsEmpty]: Start isEmpty. Operand 4114 states and 4545 transitions. [2018-12-08 12:36:25,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 391 [2018-12-08 12:36:25,404 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:36:25,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:36:25,995 INFO L134 CoverageAnalysis]: Checked inductivity of 795 backedges. 580 proven. 0 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2018-12-08 12:36:27,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:36:27,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4625 states to 4192 states and 4625 transitions. [2018-12-08 12:36:27,097 INFO L276 IsEmpty]: Start isEmpty. Operand 4192 states and 4625 transitions. [2018-12-08 12:36:27,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2018-12-08 12:36:27,099 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:36:27,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:36:27,242 INFO L134 CoverageAnalysis]: Checked inductivity of 892 backedges. 313 proven. 25 refuted. 0 times theorem prover too weak. 554 trivial. 0 not checked. [2018-12-08 12:36:33,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:36:33,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4670 states to 4228 states and 4670 transitions. [2018-12-08 12:36:33,605 INFO L276 IsEmpty]: Start isEmpty. Operand 4228 states and 4670 transitions. [2018-12-08 12:36:33,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2018-12-08 12:36:33,607 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:36:33,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:36:33,767 INFO L134 CoverageAnalysis]: Checked inductivity of 892 backedges. 313 proven. 25 refuted. 0 times theorem prover too weak. 554 trivial. 0 not checked. [2018-12-08 12:36:35,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:36:35,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4688 states to 4247 states and 4688 transitions. [2018-12-08 12:36:35,569 INFO L276 IsEmpty]: Start isEmpty. Operand 4247 states and 4688 transitions. [2018-12-08 12:36:35,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2018-12-08 12:36:35,571 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:36:35,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:36:35,716 INFO L134 CoverageAnalysis]: Checked inductivity of 892 backedges. 313 proven. 25 refuted. 0 times theorem prover too weak. 554 trivial. 0 not checked. [2018-12-08 12:36:37,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:36:37,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4708 states to 4268 states and 4708 transitions. [2018-12-08 12:36:37,622 INFO L276 IsEmpty]: Start isEmpty. Operand 4268 states and 4708 transitions. [2018-12-08 12:36:37,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2018-12-08 12:36:37,624 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:36:37,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:36:37,775 INFO L134 CoverageAnalysis]: Checked inductivity of 892 backedges. 313 proven. 25 refuted. 0 times theorem prover too weak. 554 trivial. 0 not checked. [2018-12-08 12:36:41,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:36:41,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4739 states to 4299 states and 4739 transitions. [2018-12-08 12:36:41,151 INFO L276 IsEmpty]: Start isEmpty. Operand 4299 states and 4739 transitions. [2018-12-08 12:36:41,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2018-12-08 12:36:41,153 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:36:41,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:36:41,278 INFO L134 CoverageAnalysis]: Checked inductivity of 823 backedges. 419 proven. 12 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2018-12-08 12:36:41,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:36:41,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4768 states to 4329 states and 4768 transitions. [2018-12-08 12:36:41,879 INFO L276 IsEmpty]: Start isEmpty. Operand 4329 states and 4768 transitions. [2018-12-08 12:36:41,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2018-12-08 12:36:41,882 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:36:41,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:36:42,042 INFO L134 CoverageAnalysis]: Checked inductivity of 823 backedges. 419 proven. 12 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2018-12-08 12:36:42,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:36:42,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4768 states to 4330 states and 4768 transitions. [2018-12-08 12:36:42,542 INFO L276 IsEmpty]: Start isEmpty. Operand 4330 states and 4768 transitions. [2018-12-08 12:36:42,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 476 [2018-12-08 12:36:42,544 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:36:42,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:36:42,751 INFO L134 CoverageAnalysis]: Checked inductivity of 1285 backedges. 392 proven. 30 refuted. 0 times theorem prover too weak. 863 trivial. 0 not checked. [2018-12-08 12:36:43,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:36:43,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4307 states to 3920 states and 4307 transitions. [2018-12-08 12:36:43,666 INFO L276 IsEmpty]: Start isEmpty. Operand 3920 states and 4307 transitions. [2018-12-08 12:36:43,668 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 12:36:43,668 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 203 iterations. [2018-12-08 12:36:43,674 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-08 12:36:43,886 WARN L180 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 43 [2018-12-08 12:36:44,013 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 20 [2018-12-08 12:36:44,351 WARN L180 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 47 [2018-12-08 12:36:44,573 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 20 [2018-12-08 12:36:44,747 WARN L180 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 20 [2018-12-08 12:36:44,869 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 20 [2018-12-08 12:36:45,030 WARN L180 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 20 [2018-12-08 12:36:45,204 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2018-12-08 12:36:45,505 WARN L180 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 47 [2018-12-08 12:36:45,839 WARN L180 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 47 [2018-12-08 12:36:46,058 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 20 [2018-12-08 12:36:46,239 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 20 [2018-12-08 12:36:46,344 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 20 [2018-12-08 12:36:46,456 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 20 [2018-12-08 12:36:46,614 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 20 [2018-12-08 12:36:46,854 WARN L180 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 20 [2018-12-08 12:36:47,072 WARN L180 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 20 [2018-12-08 12:36:47,289 WARN L180 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 20 [2018-12-08 12:36:47,447 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 20 [2018-12-08 12:36:47,597 WARN L180 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 20 [2018-12-08 12:36:47,941 WARN L180 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 47 [2018-12-08 12:36:48,090 WARN L180 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2018-12-08 12:36:48,249 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2018-12-08 12:36:48,369 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 20 [2018-12-08 12:36:48,677 WARN L180 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 57 [2018-12-08 12:36:48,866 WARN L180 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 20 [2018-12-08 12:36:49,126 WARN L180 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 20 [2018-12-08 12:36:49,310 WARN L180 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 20 [2018-12-08 12:36:49,552 WARN L180 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 20 [2018-12-08 12:36:49,667 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 20 [2018-12-08 12:36:49,836 WARN L180 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 20 [2018-12-08 12:36:50,134 WARN L180 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 20 [2018-12-08 12:36:50,279 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 20 [2018-12-08 12:36:50,424 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 20 [2018-12-08 12:36:50,638 WARN L180 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 20 [2018-12-08 12:36:50,775 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 20 [2018-12-08 12:36:50,952 WARN L180 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 20 [2018-12-08 12:36:51,163 WARN L180 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 50 [2018-12-08 12:36:51,580 WARN L180 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 20 [2018-12-08 12:36:51,718 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 20 [2018-12-08 12:36:51,903 WARN L180 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 20 [2018-12-08 12:36:52,196 WARN L180 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 20 [2018-12-08 12:36:52,419 WARN L180 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 20 [2018-12-08 12:36:52,615 WARN L180 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 20 [2018-12-08 12:36:52,992 WARN L180 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 20 [2018-12-08 12:36:53,174 WARN L180 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2018-12-08 12:36:53,356 WARN L180 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 20 [2018-12-08 12:36:53,461 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 20 [2018-12-08 12:36:53,583 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 20 [2018-12-08 12:36:53,726 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 20 [2018-12-08 12:36:53,891 WARN L180 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 20 [2018-12-08 12:36:54,083 WARN L180 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 20 [2018-12-08 12:36:54,184 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 20 [2018-12-08 12:36:54,470 WARN L180 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 47 [2018-12-08 12:36:54,588 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 20 [2018-12-08 12:36:54,712 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 20 [2018-12-08 12:36:54,846 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 20 [2018-12-08 12:36:55,022 WARN L180 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 20 [2018-12-08 12:36:55,227 WARN L180 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 43 [2018-12-08 12:36:55,446 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 20 [2018-12-08 12:36:55,554 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 20 [2018-12-08 12:36:55,673 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 20 [2018-12-08 12:36:55,836 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 20 [2018-12-08 12:36:56,032 WARN L180 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 20 [2018-12-08 12:36:56,164 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2018-12-08 12:36:56,311 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 50 [2018-12-08 12:36:56,441 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 20 [2018-12-08 12:36:56,651 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 20 [2018-12-08 12:36:56,651 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 12:36:56,653 INFO L583 CodeCheckObserver]: Invariant with dag size 20 [2018-12-08 12:36:56,657 INFO L583 CodeCheckObserver]: Invariant with dag size 20 [2018-12-08 12:36:56,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 12:36:56 ImpRootNode [2018-12-08 12:36:56,658 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 12:36:56,658 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 12:36:56,658 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 12:36:56,658 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 12:36:56,659 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 12:31:44" (3/4) ... [2018-12-08 12:36:56,661 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 12:36:56,672 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 109 nodes and edges [2018-12-08 12:36:56,672 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-12-08 12:36:56,673 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-12-08 12:36:56,674 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 12:36:56,755 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_368fc6e0-a989-462d-bd81-e7b6b868798f/bin-2019/ukojak/witness.graphml [2018-12-08 12:36:56,755 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 12:36:56,756 INFO L168 Benchmark]: Toolchain (without parser) took 313154.66 ms. Allocated memory was 1.0 GB in the beginning and 2.5 GB in the end (delta: 1.5 GB). Free memory was 950.6 MB in the beginning and 828.4 MB in the end (delta: 122.3 MB). Peak memory consumption was 1.6 GB. Max. memory is 11.5 GB. [2018-12-08 12:36:56,756 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 12:36:56,756 INFO L168 Benchmark]: CACSL2BoogieTranslator took 305.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -159.4 MB). Peak memory consumption was 37.7 MB. Max. memory is 11.5 GB. [2018-12-08 12:36:56,756 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 11.5 GB. [2018-12-08 12:36:56,756 INFO L168 Benchmark]: Boogie Preprocessor took 29.42 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 12:36:56,757 INFO L168 Benchmark]: RCFGBuilder took 988.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 880.0 MB in the end (delta: 220.0 MB). Peak memory consumption was 220.0 MB. Max. memory is 11.5 GB. [2018-12-08 12:36:56,757 INFO L168 Benchmark]: CodeCheck took 311690.18 ms. Allocated memory was 1.2 GB in the beginning and 2.5 GB in the end (delta: 1.4 GB). Free memory was 880.0 MB in the beginning and 860.5 MB in the end (delta: 19.5 MB). Peak memory consumption was 1.9 GB. Max. memory is 11.5 GB. [2018-12-08 12:36:56,757 INFO L168 Benchmark]: Witness Printer took 96.84 ms. Allocated memory is still 2.5 GB. Free memory was 860.5 MB in the beginning and 828.4 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-12-08 12:36:56,758 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, 227 locations, 1 error locations. SAFE Result, 298.6s OverallTime, 203 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 140542464 SDtfs, -1033042642 SDslu, 818089488 SDs, 0 SdLazy, -400653486 SolverSat, 2142629984 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1252.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 287631 GetRequests, 278859 SyntacticMatches, 6922 SemanticMatches, 1850 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2539728 ImplicationChecksByTransitivity, 263.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.7s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 25.3s InterpolantComputationTime, 44419 NumberOfCodeBlocks, 44419 NumberOfCodeBlocksAsserted, 202 NumberOfCheckSat, 44217 ConstructedInterpolants, 0 QuantifiedInterpolants, 47573474 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 202 InterpolantComputations, 130 PerfectInterpolantSequences, 54619/55612 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: 466]: 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: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (((a11 == 1 && !(a17 == 9)) || (!(a11 == 1) && !(a28 == 9))) || (!(a19 == 1) && a11 == 1)) || a17 == 8 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((a11 == 1 && !(a17 == 9)) || (!(a11 == 1) && !(a28 == 9))) || (!(a19 == 1) && a11 == 1)) || a17 == 8 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 305.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -159.4 MB). Peak memory consumption was 37.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.42 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 988.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 880.0 MB in the end (delta: 220.0 MB). Peak memory consumption was 220.0 MB. Max. memory is 11.5 GB. * CodeCheck took 311690.18 ms. Allocated memory was 1.2 GB in the beginning and 2.5 GB in the end (delta: 1.4 GB). Free memory was 880.0 MB in the beginning and 860.5 MB in the end (delta: 19.5 MB). Peak memory consumption was 1.9 GB. Max. memory is 11.5 GB. * Witness Printer took 96.84 ms. Allocated memory is still 2.5 GB. Free memory was 860.5 MB in the beginning and 828.4 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...