./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label28_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_7923e167-5edf-4163-8aa4-2ed54b4efa0c/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7923e167-5edf-4163-8aa4-2ed54b4efa0c/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7923e167-5edf-4163-8aa4-2ed54b4efa0c/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7923e167-5edf-4163-8aa4-2ed54b4efa0c/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label28_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7923e167-5edf-4163-8aa4-2ed54b4efa0c/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7923e167-5edf-4163-8aa4-2ed54b4efa0c/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 f8826e63977e5204bfb153113fa32b1df4948bea .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 11:55:49,418 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:55:49,419 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:55:49,427 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:55:49,427 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:55:49,428 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:55:49,428 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:55:49,429 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:55:49,431 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:55:49,431 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:55:49,432 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:55:49,432 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:55:49,433 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:55:49,433 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:55:49,434 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:55:49,435 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:55:49,435 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:55:49,437 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:55:49,438 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:55:49,439 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:55:49,440 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:55:49,441 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:55:49,443 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:55:49,443 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:55:49,443 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:55:49,444 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:55:49,445 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:55:49,445 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:55:49,446 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:55:49,447 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:55:49,447 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:55:49,448 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:55:49,448 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:55:49,448 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:55:49,449 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:55:49,449 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:55:49,450 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7923e167-5edf-4163-8aa4-2ed54b4efa0c/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 11:55:49,461 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:55:49,461 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:55:49,461 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:55:49,462 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 11:55:49,462 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 11:55:49,462 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 11:55:49,462 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:55:49,462 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:55:49,463 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:55:49,463 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:55:49,463 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:55:49,463 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:55:49,463 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:55:49,463 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:55:49,463 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:55:49,463 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:55:49,463 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:55:49,464 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:55:49,464 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 11:55:49,464 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 11:55:49,464 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:55:49,464 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:55:49,464 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 11:55:49,464 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:55:49,465 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:55:49,465 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:55:49,465 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 11:55:49,465 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:55:49,465 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 11:55:49,465 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_7923e167-5edf-4163-8aa4-2ed54b4efa0c/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 -> f8826e63977e5204bfb153113fa32b1df4948bea [2018-11-18 11:55:49,487 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:55:49,496 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:55:49,498 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:55:49,499 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:55:49,499 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:55:49,500 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7923e167-5edf-4163-8aa4-2ed54b4efa0c/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label28_true-unreach-call_false-termination.c [2018-11-18 11:55:49,539 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7923e167-5edf-4163-8aa4-2ed54b4efa0c/bin-2019/ukojak/data/5e7797ae7/09e3bf0288d041e38794efe2ee645687/FLAG6f37fa911 [2018-11-18 11:55:49,942 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:55:49,942 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7923e167-5edf-4163-8aa4-2ed54b4efa0c/sv-benchmarks/c/eca-rers2012/Problem02_label28_true-unreach-call_false-termination.c [2018-11-18 11:55:49,952 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7923e167-5edf-4163-8aa4-2ed54b4efa0c/bin-2019/ukojak/data/5e7797ae7/09e3bf0288d041e38794efe2ee645687/FLAG6f37fa911 [2018-11-18 11:55:50,303 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7923e167-5edf-4163-8aa4-2ed54b4efa0c/bin-2019/ukojak/data/5e7797ae7/09e3bf0288d041e38794efe2ee645687 [2018-11-18 11:55:50,306 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:55:50,307 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:55:50,307 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:55:50,307 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:55:50,311 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:55:50,311 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:55:50" (1/1) ... [2018-11-18 11:55:50,314 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d293ee9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:55:50, skipping insertion in model container [2018-11-18 11:55:50,314 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:55:50" (1/1) ... [2018-11-18 11:55:50,322 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:55:50,361 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:55:50,603 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:55:50,607 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:55:50,679 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:55:50,694 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:55:50,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:55:50 WrapperNode [2018-11-18 11:55:50,694 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:55:50,696 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:55:50,696 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:55:50,696 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:55:50,704 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:55:50" (1/1) ... [2018-11-18 11:55:50,771 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:55:50" (1/1) ... [2018-11-18 11:55:50,812 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:55:50,812 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:55:50,813 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:55:50,813 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:55:50,820 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:55:50" (1/1) ... [2018-11-18 11:55:50,820 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:55:50" (1/1) ... [2018-11-18 11:55:50,824 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:55:50" (1/1) ... [2018-11-18 11:55:50,824 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:55:50" (1/1) ... [2018-11-18 11:55:50,840 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:55:50" (1/1) ... [2018-11-18 11:55:50,849 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:55:50" (1/1) ... [2018-11-18 11:55:50,854 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:55:50" (1/1) ... [2018-11-18 11:55:50,861 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:55:50,861 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:55:50,861 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:55:50,862 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:55:50,862 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:55:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7923e167-5edf-4163-8aa4-2ed54b4efa0c/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 11:55:50,918 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 11:55:50,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:55:50,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:55:52,463 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:55:52,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:55:52 BoogieIcfgContainer [2018-11-18 11:55:52,464 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:55:52,465 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 11:55:52,465 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 11:55:52,473 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 11:55:52,473 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:55:52" (1/1) ... [2018-11-18 11:55:52,482 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:55:52,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:55:52,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 86 states and 164 transitions. [2018-11-18 11:55:52,513 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 164 transitions. [2018-11-18 11:55:52,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-11-18 11:55:52,517 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:55:52,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:55:52,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:55:53,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:55:53,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 165 states and 253 transitions. [2018-11-18 11:55:53,228 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 253 transitions. [2018-11-18 11:55:53,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-18 11:55:53,231 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:55:53,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:55:53,334 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:55:53,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:55:53,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 244 states and 340 transitions. [2018-11-18 11:55:53,773 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 340 transitions. [2018-11-18 11:55:53,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-11-18 11:55:53,775 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:55:53,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:55:53,873 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:55:54,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:55:54,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 324 states and 433 transitions. [2018-11-18 11:55:54,230 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 433 transitions. [2018-11-18 11:55:54,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-11-18 11:55:54,232 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:55:54,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:55:54,276 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:55:54,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:55:54,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 334 states and 446 transitions. [2018-11-18 11:55:54,363 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 446 transitions. [2018-11-18 11:55:54,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-18 11:55:54,365 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:55:54,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:55:54,396 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:55:54,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:55:54,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 339 states and 451 transitions. [2018-11-18 11:55:54,435 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 451 transitions. [2018-11-18 11:55:54,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-11-18 11:55:54,436 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:55:54,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:55:54,533 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:55:54,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:55:54,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 358 states and 475 transitions. [2018-11-18 11:55:54,751 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 475 transitions. [2018-11-18 11:55:54,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-18 11:55:54,755 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:55:54,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:55:54,777 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 11:55:54,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:55:54,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 369 states and 488 transitions. [2018-11-18 11:55:54,972 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 488 transitions. [2018-11-18 11:55:54,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-18 11:55:54,973 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:55:54,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:55:54,996 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 11:55:55,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:55:55,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 372 states and 491 transitions. [2018-11-18 11:55:55,016 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 491 transitions. [2018-11-18 11:55:55,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-18 11:55:55,017 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:55:55,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:55:55,044 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:55:55,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:55:55,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 392 states and 515 transitions. [2018-11-18 11:55:55,243 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 515 transitions. [2018-11-18 11:55:55,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-18 11:55:55,244 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:55:55,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:55:55,272 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 11:55:55,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:55:55,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 394 states and 517 transitions. [2018-11-18 11:55:55,304 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 517 transitions. [2018-11-18 11:55:55,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-18 11:55:55,306 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:55:55,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:55:55,336 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:55:55,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:55:55,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 399 states and 525 transitions. [2018-11-18 11:55:55,693 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 525 transitions. [2018-11-18 11:55:55,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-18 11:55:55,694 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:55:55,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:55:55,722 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:55:55,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:55:55,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 415 states and 543 transitions. [2018-11-18 11:55:55,970 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 543 transitions. [2018-11-18 11:55:55,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-11-18 11:55:55,971 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:55:55,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:55:56,014 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:55:56,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:55:56,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 421 states and 549 transitions. [2018-11-18 11:55:56,059 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 549 transitions. [2018-11-18 11:55:56,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-11-18 11:55:56,060 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:55:56,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:55:56,141 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 11:55:56,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:55:56,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 426 states and 556 transitions. [2018-11-18 11:55:56,389 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 556 transitions. [2018-11-18 11:55:56,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-11-18 11:55:56,390 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:55:56,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:55:56,458 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:55:56,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:55:56,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 445 states and 579 transitions. [2018-11-18 11:55:56,662 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 579 transitions. [2018-11-18 11:55:56,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-11-18 11:55:56,662 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:55:56,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:55:56,708 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:55:56,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:55:56,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 446 states and 580 transitions. [2018-11-18 11:55:56,729 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 580 transitions. [2018-11-18 11:55:56,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-11-18 11:55:56,730 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:55:56,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:55:56,752 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 11:55:56,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:55:56,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 453 states and 588 transitions. [2018-11-18 11:55:56,814 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 588 transitions. [2018-11-18 11:55:56,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-11-18 11:55:56,814 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:55:56,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:55:56,935 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 11:55:57,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:55:57,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 497 states and 643 transitions. [2018-11-18 11:55:57,748 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 643 transitions. [2018-11-18 11:55:57,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-18 11:55:57,749 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:55:57,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:55:57,774 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 11:55:57,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:55:57,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 512 states and 662 transitions. [2018-11-18 11:55:57,982 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 662 transitions. [2018-11-18 11:55:57,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-18 11:55:57,983 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:55:57,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:55:58,010 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:55:58,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:55:58,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 531 states and 682 transitions. [2018-11-18 11:55:58,280 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 682 transitions. [2018-11-18 11:55:58,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-11-18 11:55:58,281 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:55:58,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:55:58,307 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 11:55:58,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:55:58,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 552 states and 709 transitions. [2018-11-18 11:55:58,790 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 709 transitions. [2018-11-18 11:55:58,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-11-18 11:55:58,792 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:55:58,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:55:58,858 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:55:59,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:55:59,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 569 states and 728 transitions. [2018-11-18 11:55:59,280 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 728 transitions. [2018-11-18 11:55:59,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-11-18 11:55:59,281 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:55:59,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:55:59,308 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 11:55:59,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:55:59,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 574 states and 733 transitions. [2018-11-18 11:55:59,329 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 733 transitions. [2018-11-18 11:55:59,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-11-18 11:55:59,330 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:55:59,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:00,063 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:56:01,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:01,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 638 states and 808 transitions. [2018-11-18 11:56:01,489 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 808 transitions. [2018-11-18 11:56:01,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-11-18 11:56:01,490 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:01,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:01,514 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 11:56:01,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:01,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 640 states and 810 transitions. [2018-11-18 11:56:01,560 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 810 transitions. [2018-11-18 11:56:01,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-11-18 11:56:01,561 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:01,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:01,652 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 11:56:02,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:02,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 660 states and 835 transitions. [2018-11-18 11:56:02,056 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 835 transitions. [2018-11-18 11:56:02,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-18 11:56:02,057 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:02,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:02,087 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 11:56:02,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:02,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 684 states and 862 transitions. [2018-11-18 11:56:02,569 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 862 transitions. [2018-11-18 11:56:02,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-18 11:56:02,569 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:02,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:02,637 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:56:03,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:03,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 913 states to 731 states and 913 transitions. [2018-11-18 11:56:03,403 INFO L276 IsEmpty]: Start isEmpty. Operand 731 states and 913 transitions. [2018-11-18 11:56:03,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-18 11:56:03,404 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:03,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:03,428 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 11:56:03,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:03,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 914 states to 732 states and 914 transitions. [2018-11-18 11:56:03,561 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 914 transitions. [2018-11-18 11:56:03,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-18 11:56:03,562 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:03,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:03,659 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 11:56:04,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:04,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 758 states and 948 transitions. [2018-11-18 11:56:04,335 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 948 transitions. [2018-11-18 11:56:04,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-18 11:56:04,335 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:04,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:04,420 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 55 proven. 10 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 11:56:05,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:05,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 983 states to 783 states and 983 transitions. [2018-11-18 11:56:05,352 INFO L276 IsEmpty]: Start isEmpty. Operand 783 states and 983 transitions. [2018-11-18 11:56:05,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-18 11:56:05,353 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:05,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:05,418 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 55 proven. 10 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 11:56:05,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:05,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1006 states to 802 states and 1006 transitions. [2018-11-18 11:56:05,682 INFO L276 IsEmpty]: Start isEmpty. Operand 802 states and 1006 transitions. [2018-11-18 11:56:05,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-18 11:56:05,683 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:05,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:05,731 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:56:05,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:05,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1024 states to 816 states and 1024 transitions. [2018-11-18 11:56:05,994 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states and 1024 transitions. [2018-11-18 11:56:05,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-11-18 11:56:05,995 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:06,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:06,059 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 11:56:06,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:06,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1040 states to 830 states and 1040 transitions. [2018-11-18 11:56:06,174 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states and 1040 transitions. [2018-11-18 11:56:06,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-18 11:56:06,175 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:06,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:06,200 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 11:56:06,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:06,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1042 states to 832 states and 1042 transitions. [2018-11-18 11:56:06,224 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1042 transitions. [2018-11-18 11:56:06,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-18 11:56:06,225 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:06,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:06,256 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:56:06,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:06,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1079 states to 866 states and 1079 transitions. [2018-11-18 11:56:06,556 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 1079 transitions. [2018-11-18 11:56:06,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-11-18 11:56:06,557 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:06,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:06,581 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 11:56:06,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:06,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1080 states to 867 states and 1080 transitions. [2018-11-18 11:56:06,677 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1080 transitions. [2018-11-18 11:56:06,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-18 11:56:06,678 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:06,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:06,728 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 11:56:07,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:07,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1103 states to 886 states and 1103 transitions. [2018-11-18 11:56:07,239 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1103 transitions. [2018-11-18 11:56:07,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-18 11:56:07,240 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:07,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:07,279 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 11:56:07,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:07,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1114 states to 896 states and 1114 transitions. [2018-11-18 11:56:07,449 INFO L276 IsEmpty]: Start isEmpty. Operand 896 states and 1114 transitions. [2018-11-18 11:56:07,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-11-18 11:56:07,450 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:07,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:07,557 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 69 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 11:56:07,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:07,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1128 states to 908 states and 1128 transitions. [2018-11-18 11:56:07,976 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 1128 transitions. [2018-11-18 11:56:07,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-11-18 11:56:07,977 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:07,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:08,035 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 69 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 11:56:08,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:08,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1149 states to 928 states and 1149 transitions. [2018-11-18 11:56:08,421 INFO L276 IsEmpty]: Start isEmpty. Operand 928 states and 1149 transitions. [2018-11-18 11:56:08,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-18 11:56:08,422 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:08,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:08,444 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-11-18 11:56:08,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:08,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1152 states to 931 states and 1152 transitions. [2018-11-18 11:56:08,566 INFO L276 IsEmpty]: Start isEmpty. Operand 931 states and 1152 transitions. [2018-11-18 11:56:08,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-18 11:56:08,567 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:08,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:08,590 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-11-18 11:56:08,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:08,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 935 states and 1156 transitions. [2018-11-18 11:56:08,750 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1156 transitions. [2018-11-18 11:56:08,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-18 11:56:08,750 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:08,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:08,817 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 74 proven. 10 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-18 11:56:09,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:09,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1166 states to 945 states and 1166 transitions. [2018-11-18 11:56:09,188 INFO L276 IsEmpty]: Start isEmpty. Operand 945 states and 1166 transitions. [2018-11-18 11:56:09,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-18 11:56:09,189 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:09,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:09,273 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 11:56:10,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:10,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1214 states to 985 states and 1214 transitions. [2018-11-18 11:56:10,107 INFO L276 IsEmpty]: Start isEmpty. Operand 985 states and 1214 transitions. [2018-11-18 11:56:10,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-18 11:56:10,108 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:10,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:10,181 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 11:56:10,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:10,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1226 states to 996 states and 1226 transitions. [2018-11-18 11:56:10,637 INFO L276 IsEmpty]: Start isEmpty. Operand 996 states and 1226 transitions. [2018-11-18 11:56:10,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-18 11:56:10,638 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:10,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:10,691 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 11:56:10,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:10,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1236 states to 1006 states and 1236 transitions. [2018-11-18 11:56:10,878 INFO L276 IsEmpty]: Start isEmpty. Operand 1006 states and 1236 transitions. [2018-11-18 11:56:10,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-18 11:56:10,879 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:10,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:10,916 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 11:56:11,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:11,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1259 states to 1023 states and 1259 transitions. [2018-11-18 11:56:11,652 INFO L276 IsEmpty]: Start isEmpty. Operand 1023 states and 1259 transitions. [2018-11-18 11:56:11,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-18 11:56:11,653 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:11,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:11,837 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:56:12,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:12,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1321 states to 1078 states and 1321 transitions. [2018-11-18 11:56:12,771 INFO L276 IsEmpty]: Start isEmpty. Operand 1078 states and 1321 transitions. [2018-11-18 11:56:12,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-18 11:56:12,772 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:12,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:12,821 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:56:13,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:13,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1346 states to 1101 states and 1346 transitions. [2018-11-18 11:56:13,262 INFO L276 IsEmpty]: Start isEmpty. Operand 1101 states and 1346 transitions. [2018-11-18 11:56:13,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-18 11:56:13,263 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:13,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:13,315 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 11:56:14,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:14,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1379 states to 1131 states and 1379 transitions. [2018-11-18 11:56:14,008 INFO L276 IsEmpty]: Start isEmpty. Operand 1131 states and 1379 transitions. [2018-11-18 11:56:14,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-18 11:56:14,009 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:14,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:14,033 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 11:56:14,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:14,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1409 states to 1157 states and 1409 transitions. [2018-11-18 11:56:14,636 INFO L276 IsEmpty]: Start isEmpty. Operand 1157 states and 1409 transitions. [2018-11-18 11:56:14,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-18 11:56:14,637 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:14,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:14,697 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-18 11:56:14,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:14,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1416 states to 1160 states and 1416 transitions. [2018-11-18 11:56:14,821 INFO L276 IsEmpty]: Start isEmpty. Operand 1160 states and 1416 transitions. [2018-11-18 11:56:14,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-18 11:56:14,822 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:14,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:14,875 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 11:56:15,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:15,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1444 states to 1184 states and 1444 transitions. [2018-11-18 11:56:15,198 INFO L276 IsEmpty]: Start isEmpty. Operand 1184 states and 1444 transitions. [2018-11-18 11:56:15,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-11-18 11:56:15,199 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:15,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:15,223 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-18 11:56:15,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:15,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1447 states to 1188 states and 1447 transitions. [2018-11-18 11:56:15,316 INFO L276 IsEmpty]: Start isEmpty. Operand 1188 states and 1447 transitions. [2018-11-18 11:56:15,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-11-18 11:56:15,317 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:15,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:15,348 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-18 11:56:15,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:15,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1448 states to 1189 states and 1448 transitions. [2018-11-18 11:56:15,463 INFO L276 IsEmpty]: Start isEmpty. Operand 1189 states and 1448 transitions. [2018-11-18 11:56:15,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-11-18 11:56:15,465 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:15,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:15,494 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-11-18 11:56:15,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:15,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1465 states to 1204 states and 1465 transitions. [2018-11-18 11:56:15,799 INFO L276 IsEmpty]: Start isEmpty. Operand 1204 states and 1465 transitions. [2018-11-18 11:56:15,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-18 11:56:15,800 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:15,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:16,277 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 11:56:18,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:18,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1532 states to 1268 states and 1532 transitions. [2018-11-18 11:56:18,442 INFO L276 IsEmpty]: Start isEmpty. Operand 1268 states and 1532 transitions. [2018-11-18 11:56:18,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-18 11:56:18,443 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:18,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:18,512 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 86 proven. 6 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 11:56:18,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:18,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1543 states to 1278 states and 1543 transitions. [2018-11-18 11:56:18,712 INFO L276 IsEmpty]: Start isEmpty. Operand 1278 states and 1543 transitions. [2018-11-18 11:56:18,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-18 11:56:18,713 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:18,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:19,253 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 11:56:20,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:20,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1626 states to 1360 states and 1626 transitions. [2018-11-18 11:56:20,773 INFO L276 IsEmpty]: Start isEmpty. Operand 1360 states and 1626 transitions. [2018-11-18 11:56:20,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-18 11:56:20,774 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:20,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:20,798 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-11-18 11:56:21,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:21,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1653 states to 1387 states and 1653 transitions. [2018-11-18 11:56:21,258 INFO L276 IsEmpty]: Start isEmpty. Operand 1387 states and 1653 transitions. [2018-11-18 11:56:21,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-11-18 11:56:21,259 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:21,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:21,281 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 11:56:21,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:21,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1679 states to 1410 states and 1679 transitions. [2018-11-18 11:56:21,643 INFO L276 IsEmpty]: Start isEmpty. Operand 1410 states and 1679 transitions. [2018-11-18 11:56:21,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-18 11:56:21,644 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:21,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:21,702 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 95 proven. 12 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-18 11:56:22,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:22,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1697 states to 1427 states and 1697 transitions. [2018-11-18 11:56:22,357 INFO L276 IsEmpty]: Start isEmpty. Operand 1427 states and 1697 transitions. [2018-11-18 11:56:22,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-18 11:56:22,358 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:22,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:22,381 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-18 11:56:22,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:22,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1701 states to 1432 states and 1701 transitions. [2018-11-18 11:56:22,410 INFO L276 IsEmpty]: Start isEmpty. Operand 1432 states and 1701 transitions. [2018-11-18 11:56:22,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-18 11:56:22,411 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:22,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:22,441 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 11:56:22,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:22,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1736 states to 1465 states and 1736 transitions. [2018-11-18 11:56:22,664 INFO L276 IsEmpty]: Start isEmpty. Operand 1465 states and 1736 transitions. [2018-11-18 11:56:22,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-18 11:56:22,665 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:22,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:22,693 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 11:56:22,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:22,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1736 states to 1466 states and 1736 transitions. [2018-11-18 11:56:22,856 INFO L276 IsEmpty]: Start isEmpty. Operand 1466 states and 1736 transitions. [2018-11-18 11:56:22,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-11-18 11:56:22,857 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:22,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:22,943 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 11:56:23,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:23,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1751 states to 1479 states and 1751 transitions. [2018-11-18 11:56:23,489 INFO L276 IsEmpty]: Start isEmpty. Operand 1479 states and 1751 transitions. [2018-11-18 11:56:23,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-11-18 11:56:23,490 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:23,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:23,573 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 11:56:24,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:24,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1759 states to 1485 states and 1759 transitions. [2018-11-18 11:56:24,125 INFO L276 IsEmpty]: Start isEmpty. Operand 1485 states and 1759 transitions. [2018-11-18 11:56:24,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-11-18 11:56:24,126 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:24,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:24,159 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 99 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 11:56:24,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:24,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1822 states to 1547 states and 1822 transitions. [2018-11-18 11:56:24,919 INFO L276 IsEmpty]: Start isEmpty. Operand 1547 states and 1822 transitions. [2018-11-18 11:56:24,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-11-18 11:56:24,920 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:24,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:24,944 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:56:25,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:25,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1882 states to 1602 states and 1882 transitions. [2018-11-18 11:56:25,739 INFO L276 IsEmpty]: Start isEmpty. Operand 1602 states and 1882 transitions. [2018-11-18 11:56:25,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-11-18 11:56:25,740 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:25,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:25,765 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 11:56:26,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:26,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1909 states to 1623 states and 1909 transitions. [2018-11-18 11:56:26,576 INFO L276 IsEmpty]: Start isEmpty. Operand 1623 states and 1909 transitions. [2018-11-18 11:56:26,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-11-18 11:56:26,578 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:26,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:26,602 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 11:56:26,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:26,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1924 states to 1637 states and 1924 transitions. [2018-11-18 11:56:26,739 INFO L276 IsEmpty]: Start isEmpty. Operand 1637 states and 1924 transitions. [2018-11-18 11:56:26,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-11-18 11:56:26,741 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:26,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:26,874 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-11-18 11:56:27,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:27,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1943 states to 1654 states and 1943 transitions. [2018-11-18 11:56:27,534 INFO L276 IsEmpty]: Start isEmpty. Operand 1654 states and 1943 transitions. [2018-11-18 11:56:27,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-18 11:56:27,535 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:27,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:27,591 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 11:56:27,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:27,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1958 states to 1669 states and 1958 transitions. [2018-11-18 11:56:27,702 INFO L276 IsEmpty]: Start isEmpty. Operand 1669 states and 1958 transitions. [2018-11-18 11:56:27,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-18 11:56:27,703 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:27,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:27,756 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 11:56:27,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:27,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1975 states to 1684 states and 1975 transitions. [2018-11-18 11:56:27,994 INFO L276 IsEmpty]: Start isEmpty. Operand 1684 states and 1975 transitions. [2018-11-18 11:56:27,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-18 11:56:27,995 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:28,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:28,047 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 11:56:28,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:28,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1988 states to 1698 states and 1988 transitions. [2018-11-18 11:56:28,255 INFO L276 IsEmpty]: Start isEmpty. Operand 1698 states and 1988 transitions. [2018-11-18 11:56:28,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-18 11:56:28,256 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:28,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:28,283 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 11:56:28,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:28,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2018 states to 1725 states and 2018 transitions. [2018-11-18 11:56:28,711 INFO L276 IsEmpty]: Start isEmpty. Operand 1725 states and 2018 transitions. [2018-11-18 11:56:28,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-18 11:56:28,712 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:28,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:28,744 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 11:56:28,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:28,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2020 states to 1727 states and 2020 transitions. [2018-11-18 11:56:28,953 INFO L276 IsEmpty]: Start isEmpty. Operand 1727 states and 2020 transitions. [2018-11-18 11:56:28,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-11-18 11:56:28,955 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:28,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:28,988 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 11:56:29,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:29,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2066 states to 1770 states and 2066 transitions. [2018-11-18 11:56:29,808 INFO L276 IsEmpty]: Start isEmpty. Operand 1770 states and 2066 transitions. [2018-11-18 11:56:29,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-11-18 11:56:29,809 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:29,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:29,864 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 107 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 11:56:30,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:30,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2097 states to 1803 states and 2097 transitions. [2018-11-18 11:56:30,068 INFO L276 IsEmpty]: Start isEmpty. Operand 1803 states and 2097 transitions. [2018-11-18 11:56:30,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-18 11:56:30,069 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:30,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:30,118 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 17 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-11-18 11:56:30,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:30,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2118 states to 1821 states and 2118 transitions. [2018-11-18 11:56:30,358 INFO L276 IsEmpty]: Start isEmpty. Operand 1821 states and 2118 transitions. [2018-11-18 11:56:30,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-18 11:56:30,359 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:30,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:30,425 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 70 proven. 17 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-18 11:56:31,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:31,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2137 states to 1838 states and 2137 transitions. [2018-11-18 11:56:31,072 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 2137 transitions. [2018-11-18 11:56:31,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-11-18 11:56:31,073 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:31,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:31,120 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 11:56:31,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:31,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2151 states to 1844 states and 2151 transitions. [2018-11-18 11:56:31,680 INFO L276 IsEmpty]: Start isEmpty. Operand 1844 states and 2151 transitions. [2018-11-18 11:56:31,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-11-18 11:56:31,681 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:31,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:31,738 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 11:56:31,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:31,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2160 states to 1852 states and 2160 transitions. [2018-11-18 11:56:31,987 INFO L276 IsEmpty]: Start isEmpty. Operand 1852 states and 2160 transitions. [2018-11-18 11:56:31,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-11-18 11:56:31,988 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:31,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:32,020 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-18 11:56:32,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:32,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2178 states to 1869 states and 2178 transitions. [2018-11-18 11:56:32,662 INFO L276 IsEmpty]: Start isEmpty. Operand 1869 states and 2178 transitions. [2018-11-18 11:56:32,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-11-18 11:56:32,663 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:32,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:33,440 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 211 proven. 28 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 11:56:36,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:36,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2289 states to 1967 states and 2289 transitions. [2018-11-18 11:56:36,980 INFO L276 IsEmpty]: Start isEmpty. Operand 1967 states and 2289 transitions. [2018-11-18 11:56:36,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-11-18 11:56:36,981 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:36,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:37,043 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 184 proven. 5 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 11:56:37,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:37,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2315 states to 1989 states and 2315 transitions. [2018-11-18 11:56:37,569 INFO L276 IsEmpty]: Start isEmpty. Operand 1989 states and 2315 transitions. [2018-11-18 11:56:37,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-11-18 11:56:37,570 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:37,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:37,624 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 184 proven. 5 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 11:56:38,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:38,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2346 states to 2020 states and 2346 transitions. [2018-11-18 11:56:38,140 INFO L276 IsEmpty]: Start isEmpty. Operand 2020 states and 2346 transitions. [2018-11-18 11:56:38,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-11-18 11:56:38,141 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:38,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:38,233 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 184 proven. 5 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 11:56:38,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:38,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2364 states to 2037 states and 2364 transitions. [2018-11-18 11:56:38,392 INFO L276 IsEmpty]: Start isEmpty. Operand 2037 states and 2364 transitions. [2018-11-18 11:56:38,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-11-18 11:56:38,393 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:38,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:39,042 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 11:56:40,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:40,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2389 states to 2059 states and 2389 transitions. [2018-11-18 11:56:40,683 INFO L276 IsEmpty]: Start isEmpty. Operand 2059 states and 2389 transitions. [2018-11-18 11:56:40,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-11-18 11:56:40,684 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:40,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:40,775 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 11:56:41,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:41,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2445 states to 2116 states and 2445 transitions. [2018-11-18 11:56:41,834 INFO L276 IsEmpty]: Start isEmpty. Operand 2116 states and 2445 transitions. [2018-11-18 11:56:41,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-11-18 11:56:41,835 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:41,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:41,907 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 156 proven. 10 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-11-18 11:56:42,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:42,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2470 states to 2138 states and 2470 transitions. [2018-11-18 11:56:42,681 INFO L276 IsEmpty]: Start isEmpty. Operand 2138 states and 2470 transitions. [2018-11-18 11:56:42,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-11-18 11:56:42,682 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:42,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:42,767 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 218 proven. 42 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 11:56:43,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:43,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2480 states to 2145 states and 2480 transitions. [2018-11-18 11:56:43,128 INFO L276 IsEmpty]: Start isEmpty. Operand 2145 states and 2480 transitions. [2018-11-18 11:56:43,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-11-18 11:56:43,130 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:43,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:43,223 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 135 proven. 16 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-18 11:56:43,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:43,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2504 states to 2166 states and 2504 transitions. [2018-11-18 11:56:43,575 INFO L276 IsEmpty]: Start isEmpty. Operand 2166 states and 2504 transitions. [2018-11-18 11:56:43,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-11-18 11:56:43,576 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:43,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:43,651 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 135 proven. 16 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-18 11:56:43,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:43,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2521 states to 2183 states and 2521 transitions. [2018-11-18 11:56:43,956 INFO L276 IsEmpty]: Start isEmpty. Operand 2183 states and 2521 transitions. [2018-11-18 11:56:43,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-11-18 11:56:43,957 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:43,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:44,143 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 222 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 11:56:45,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:45,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2553 states to 2215 states and 2553 transitions. [2018-11-18 11:56:45,030 INFO L276 IsEmpty]: Start isEmpty. Operand 2215 states and 2553 transitions. [2018-11-18 11:56:45,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-11-18 11:56:45,031 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:45,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:45,187 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 151 proven. 4 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-18 11:56:46,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:46,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2606 states to 2262 states and 2606 transitions. [2018-11-18 11:56:46,816 INFO L276 IsEmpty]: Start isEmpty. Operand 2262 states and 2606 transitions. [2018-11-18 11:56:46,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-11-18 11:56:46,818 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:46,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:46,987 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 151 proven. 4 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-18 11:56:47,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:47,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2620 states to 2274 states and 2620 transitions. [2018-11-18 11:56:47,760 INFO L276 IsEmpty]: Start isEmpty. Operand 2274 states and 2620 transitions. [2018-11-18 11:56:47,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-11-18 11:56:47,761 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:47,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:47,930 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 151 proven. 4 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-18 11:56:48,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:48,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2621 states to 2276 states and 2621 transitions. [2018-11-18 11:56:48,224 INFO L276 IsEmpty]: Start isEmpty. Operand 2276 states and 2621 transitions. [2018-11-18 11:56:48,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-11-18 11:56:48,226 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:48,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:48,962 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 215 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 11:56:49,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:49,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2623 states to 2277 states and 2623 transitions. [2018-11-18 11:56:49,815 INFO L276 IsEmpty]: Start isEmpty. Operand 2277 states and 2623 transitions. [2018-11-18 11:56:49,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-11-18 11:56:49,817 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:49,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:49,924 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 215 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 11:56:51,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:51,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2683 states to 2336 states and 2683 transitions. [2018-11-18 11:56:51,641 INFO L276 IsEmpty]: Start isEmpty. Operand 2336 states and 2683 transitions. [2018-11-18 11:56:51,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-11-18 11:56:51,642 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:51,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:51,689 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 243 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-18 11:56:52,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:52,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2716 states to 2363 states and 2716 transitions. [2018-11-18 11:56:52,676 INFO L276 IsEmpty]: Start isEmpty. Operand 2363 states and 2716 transitions. [2018-11-18 11:56:52,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-11-18 11:56:52,677 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:52,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:52,721 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 243 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-18 11:56:53,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:53,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2742 states to 2384 states and 2742 transitions. [2018-11-18 11:56:53,534 INFO L276 IsEmpty]: Start isEmpty. Operand 2384 states and 2742 transitions. [2018-11-18 11:56:53,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-11-18 11:56:53,536 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:53,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:53,577 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 243 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-18 11:56:53,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:53,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2743 states to 2386 states and 2743 transitions. [2018-11-18 11:56:53,857 INFO L276 IsEmpty]: Start isEmpty. Operand 2386 states and 2743 transitions. [2018-11-18 11:56:53,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2018-11-18 11:56:53,859 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:53,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:53,902 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 270 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 11:56:53,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:53,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2743 states to 2387 states and 2743 transitions. [2018-11-18 11:56:53,924 INFO L276 IsEmpty]: Start isEmpty. Operand 2387 states and 2743 transitions. [2018-11-18 11:56:53,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2018-11-18 11:56:53,925 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:53,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:53,967 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 270 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 11:56:54,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:54,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2774 states to 2417 states and 2774 transitions. [2018-11-18 11:56:54,398 INFO L276 IsEmpty]: Start isEmpty. Operand 2417 states and 2774 transitions. [2018-11-18 11:56:54,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2018-11-18 11:56:54,400 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:54,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:54,500 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 270 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 11:56:54,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:54,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2775 states to 2419 states and 2775 transitions. [2018-11-18 11:56:54,758 INFO L276 IsEmpty]: Start isEmpty. Operand 2419 states and 2775 transitions. [2018-11-18 11:56:54,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2018-11-18 11:56:54,759 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:54,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:54,801 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 270 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 11:56:55,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:55,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2787 states to 2428 states and 2787 transitions. [2018-11-18 11:56:55,345 INFO L276 IsEmpty]: Start isEmpty. Operand 2428 states and 2787 transitions. [2018-11-18 11:56:55,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2018-11-18 11:56:55,346 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:55,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:55,389 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 270 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 11:56:55,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:55,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2795 states to 2437 states and 2795 transitions. [2018-11-18 11:56:55,711 INFO L276 IsEmpty]: Start isEmpty. Operand 2437 states and 2795 transitions. [2018-11-18 11:56:55,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2018-11-18 11:56:55,712 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:55,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:55,754 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 270 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 11:56:56,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:56,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2805 states to 2446 states and 2805 transitions. [2018-11-18 11:56:56,067 INFO L276 IsEmpty]: Start isEmpty. Operand 2446 states and 2805 transitions. [2018-11-18 11:56:56,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2018-11-18 11:56:56,068 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:56,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:56,109 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 270 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 11:56:56,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:56,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2807 states to 2448 states and 2807 transitions. [2018-11-18 11:56:56,310 INFO L276 IsEmpty]: Start isEmpty. Operand 2448 states and 2807 transitions. [2018-11-18 11:56:56,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2018-11-18 11:56:56,311 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:56,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:56,353 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 270 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 11:56:56,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:56,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2817 states to 2457 states and 2817 transitions. [2018-11-18 11:56:56,687 INFO L276 IsEmpty]: Start isEmpty. Operand 2457 states and 2817 transitions. [2018-11-18 11:56:56,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-11-18 11:56:56,688 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:56,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:56,786 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 198 proven. 17 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-11-18 11:56:57,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:57,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2839 states to 2473 states and 2839 transitions. [2018-11-18 11:56:57,884 INFO L276 IsEmpty]: Start isEmpty. Operand 2473 states and 2839 transitions. [2018-11-18 11:56:57,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-11-18 11:56:57,885 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:57,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:58,020 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 198 proven. 17 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-11-18 11:56:58,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:58,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2841 states to 2474 states and 2841 transitions. [2018-11-18 11:56:58,330 INFO L276 IsEmpty]: Start isEmpty. Operand 2474 states and 2841 transitions. [2018-11-18 11:56:58,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-11-18 11:56:58,331 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:58,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:58,400 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 198 proven. 17 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-11-18 11:56:58,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:58,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2842 states to 2475 states and 2842 transitions. [2018-11-18 11:56:58,694 INFO L276 IsEmpty]: Start isEmpty. Operand 2475 states and 2842 transitions. [2018-11-18 11:56:58,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-11-18 11:56:58,695 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:58,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:58,821 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 236 proven. 5 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-11-18 11:56:59,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:56:59,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2864 states to 2492 states and 2864 transitions. [2018-11-18 11:56:59,800 INFO L276 IsEmpty]: Start isEmpty. Operand 2492 states and 2864 transitions. [2018-11-18 11:56:59,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-11-18 11:56:59,801 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:56:59,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:56:59,921 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 236 proven. 5 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-11-18 11:57:00,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:57:00,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2875 states to 2503 states and 2875 transitions. [2018-11-18 11:57:00,529 INFO L276 IsEmpty]: Start isEmpty. Operand 2503 states and 2875 transitions. [2018-11-18 11:57:00,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-11-18 11:57:00,530 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:57:00,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:00,645 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 236 proven. 5 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-11-18 11:57:01,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:57:01,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2896 states to 2523 states and 2896 transitions. [2018-11-18 11:57:01,424 INFO L276 IsEmpty]: Start isEmpty. Operand 2523 states and 2896 transitions. [2018-11-18 11:57:01,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-11-18 11:57:01,426 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:57:01,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:01,609 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 236 proven. 5 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-11-18 11:57:01,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:57:02,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2906 states to 2532 states and 2906 transitions. [2018-11-18 11:57:02,000 INFO L276 IsEmpty]: Start isEmpty. Operand 2532 states and 2906 transitions. [2018-11-18 11:57:02,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-11-18 11:57:02,001 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:57:02,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:02,115 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 236 proven. 5 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-11-18 11:57:02,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:57:02,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2924 states to 2549 states and 2924 transitions. [2018-11-18 11:57:02,481 INFO L276 IsEmpty]: Start isEmpty. Operand 2549 states and 2924 transitions. [2018-11-18 11:57:02,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-11-18 11:57:02,483 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:57:02,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:02,597 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 236 proven. 5 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-11-18 11:57:03,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:57:03,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2935 states to 2560 states and 2935 transitions. [2018-11-18 11:57:03,081 INFO L276 IsEmpty]: Start isEmpty. Operand 2560 states and 2935 transitions. [2018-11-18 11:57:03,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-11-18 11:57:03,082 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:57:03,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:03,196 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 236 proven. 5 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-11-18 11:57:03,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:57:03,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2943 states to 2569 states and 2943 transitions. [2018-11-18 11:57:03,554 INFO L276 IsEmpty]: Start isEmpty. Operand 2569 states and 2943 transitions. [2018-11-18 11:57:03,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-11-18 11:57:03,555 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:57:03,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:03,617 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 179 proven. 8 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2018-11-18 11:57:04,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:57:04,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2973 states to 2597 states and 2973 transitions. [2018-11-18 11:57:04,126 INFO L276 IsEmpty]: Start isEmpty. Operand 2597 states and 2973 transitions. [2018-11-18 11:57:04,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-11-18 11:57:04,128 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:57:04,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:04,188 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 179 proven. 8 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2018-11-18 11:57:04,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:57:04,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2979 states to 2602 states and 2979 transitions. [2018-11-18 11:57:04,344 INFO L276 IsEmpty]: Start isEmpty. Operand 2602 states and 2979 transitions. [2018-11-18 11:57:04,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-11-18 11:57:04,346 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:57:04,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:04,407 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 179 proven. 8 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2018-11-18 11:57:04,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:57:04,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3001 states to 2620 states and 3001 transitions. [2018-11-18 11:57:04,803 INFO L276 IsEmpty]: Start isEmpty. Operand 2620 states and 3001 transitions. [2018-11-18 11:57:04,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-11-18 11:57:04,804 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:57:04,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:04,932 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 179 proven. 8 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2018-11-18 11:57:05,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:57:05,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3029 states to 2648 states and 3029 transitions. [2018-11-18 11:57:05,461 INFO L276 IsEmpty]: Start isEmpty. Operand 2648 states and 3029 transitions. [2018-11-18 11:57:05,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-11-18 11:57:05,462 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:57:05,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:05,525 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 179 proven. 8 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2018-11-18 11:57:06,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:57:06,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3074 states to 2691 states and 3074 transitions. [2018-11-18 11:57:06,296 INFO L276 IsEmpty]: Start isEmpty. Operand 2691 states and 3074 transitions. [2018-11-18 11:57:06,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-11-18 11:57:06,298 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:57:06,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:06,361 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 179 proven. 8 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2018-11-18 11:57:06,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:57:06,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3091 states to 2708 states and 3091 transitions. [2018-11-18 11:57:06,719 INFO L276 IsEmpty]: Start isEmpty. Operand 2708 states and 3091 transitions. [2018-11-18 11:57:06,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-11-18 11:57:06,721 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:57:06,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:06,782 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 179 proven. 8 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2018-11-18 11:57:07,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:57:07,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3094 states to 2710 states and 3094 transitions. [2018-11-18 11:57:07,115 INFO L276 IsEmpty]: Start isEmpty. Operand 2710 states and 3094 transitions. [2018-11-18 11:57:07,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-11-18 11:57:07,116 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:57:07,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:07,178 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 179 proven. 8 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2018-11-18 11:57:07,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:57:07,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3119 states to 2735 states and 3119 transitions. [2018-11-18 11:57:07,557 INFO L276 IsEmpty]: Start isEmpty. Operand 2735 states and 3119 transitions. [2018-11-18 11:57:07,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-11-18 11:57:07,558 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:57:07,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:07,631 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 179 proven. 8 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2018-11-18 11:57:09,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:57:09,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3148 states to 2760 states and 3148 transitions. [2018-11-18 11:57:09,163 INFO L276 IsEmpty]: Start isEmpty. Operand 2760 states and 3148 transitions. [2018-11-18 11:57:09,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-11-18 11:57:09,164 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:57:09,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:09,227 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 179 proven. 8 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2018-11-18 11:57:09,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:57:09,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3155 states to 2768 states and 3155 transitions. [2018-11-18 11:57:09,282 INFO L276 IsEmpty]: Start isEmpty. Operand 2768 states and 3155 transitions. [2018-11-18 11:57:09,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2018-11-18 11:57:09,284 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:57:09,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:09,320 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 252 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-11-18 11:57:09,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:57:09,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3167 states to 2780 states and 3167 transitions. [2018-11-18 11:57:09,384 INFO L276 IsEmpty]: Start isEmpty. Operand 2780 states and 3167 transitions. [2018-11-18 11:57:09,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2018-11-18 11:57:09,385 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:57:09,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:09,457 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 311 proven. 5 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-18 11:57:09,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:57:09,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3178 states to 2791 states and 3178 transitions. [2018-11-18 11:57:09,531 INFO L276 IsEmpty]: Start isEmpty. Operand 2791 states and 3178 transitions. [2018-11-18 11:57:09,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2018-11-18 11:57:09,532 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:57:09,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:09,598 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 311 proven. 5 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-18 11:57:09,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:57:09,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3203 states to 2816 states and 3203 transitions. [2018-11-18 11:57:09,947 INFO L276 IsEmpty]: Start isEmpty. Operand 2816 states and 3203 transitions. [2018-11-18 11:57:09,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2018-11-18 11:57:09,948 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:57:09,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:10,039 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 311 proven. 5 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-18 11:57:10,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:57:10,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3216 states to 2830 states and 3216 transitions. [2018-11-18 11:57:10,227 INFO L276 IsEmpty]: Start isEmpty. Operand 2830 states and 3216 transitions. [2018-11-18 11:57:10,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2018-11-18 11:57:10,228 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:57:10,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:10,292 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 311 proven. 5 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-18 11:57:10,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:57:10,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3219 states to 2834 states and 3219 transitions. [2018-11-18 11:57:10,333 INFO L276 IsEmpty]: Start isEmpty. Operand 2834 states and 3219 transitions. [2018-11-18 11:57:10,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-11-18 11:57:10,334 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:57:10,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:10,386 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 257 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-11-18 11:57:12,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:57:12,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3268 states to 2879 states and 3268 transitions. [2018-11-18 11:57:12,246 INFO L276 IsEmpty]: Start isEmpty. Operand 2879 states and 3268 transitions. [2018-11-18 11:57:12,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-11-18 11:57:12,247 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:57:12,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:12,299 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 257 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-11-18 11:57:12,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:57:12,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3293 states to 2904 states and 3293 transitions. [2018-11-18 11:57:12,751 INFO L276 IsEmpty]: Start isEmpty. Operand 2904 states and 3293 transitions. [2018-11-18 11:57:12,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-11-18 11:57:12,753 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:57:12,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:12,809 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 257 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-11-18 11:57:13,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:57:13,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3307 states to 2918 states and 3307 transitions. [2018-11-18 11:57:13,833 INFO L276 IsEmpty]: Start isEmpty. Operand 2918 states and 3307 transitions. [2018-11-18 11:57:13,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-11-18 11:57:13,835 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:57:13,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:13,888 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 257 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-11-18 11:57:14,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:57:14,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3318 states to 2927 states and 3318 transitions. [2018-11-18 11:57:14,394 INFO L276 IsEmpty]: Start isEmpty. Operand 2927 states and 3318 transitions. [2018-11-18 11:57:14,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2018-11-18 11:57:14,396 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:57:14,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:14,479 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 84 proven. 34 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2018-11-18 11:57:15,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:57:15,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3337 states to 2944 states and 3337 transitions. [2018-11-18 11:57:15,742 INFO L276 IsEmpty]: Start isEmpty. Operand 2944 states and 3337 transitions. [2018-11-18 11:57:15,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2018-11-18 11:57:15,744 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:57:15,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:15,862 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 84 proven. 34 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2018-11-18 11:57:16,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:57:16,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3342 states to 2950 states and 3342 transitions. [2018-11-18 11:57:16,796 INFO L276 IsEmpty]: Start isEmpty. Operand 2950 states and 3342 transitions. [2018-11-18 11:57:16,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2018-11-18 11:57:16,797 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:57:16,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:17,102 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 295 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-11-18 11:57:18,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:57:18,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3349 states to 2956 states and 3349 transitions. [2018-11-18 11:57:18,086 INFO L276 IsEmpty]: Start isEmpty. Operand 2956 states and 3349 transitions. [2018-11-18 11:57:18,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-11-18 11:57:18,087 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:57:18,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:18,210 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 256 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-11-18 11:57:19,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:57:19,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3365 states to 2971 states and 3365 transitions. [2018-11-18 11:57:19,413 INFO L276 IsEmpty]: Start isEmpty. Operand 2971 states and 3365 transitions. [2018-11-18 11:57:19,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-11-18 11:57:19,415 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:57:19,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:19,459 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 293 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-11-18 11:57:20,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:57:20,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3397 states to 2993 states and 3397 transitions. [2018-11-18 11:57:20,759 INFO L276 IsEmpty]: Start isEmpty. Operand 2993 states and 3397 transitions. [2018-11-18 11:57:20,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-11-18 11:57:20,761 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:57:20,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:20,805 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 293 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-11-18 11:57:21,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:57:21,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3413 states to 3008 states and 3413 transitions. [2018-11-18 11:57:21,593 INFO L276 IsEmpty]: Start isEmpty. Operand 3008 states and 3413 transitions. [2018-11-18 11:57:21,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-11-18 11:57:21,595 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:57:21,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:21,639 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 293 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-11-18 11:57:22,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:57:22,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3422 states to 3013 states and 3422 transitions. [2018-11-18 11:57:22,314 INFO L276 IsEmpty]: Start isEmpty. Operand 3013 states and 3422 transitions. [2018-11-18 11:57:22,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-11-18 11:57:22,316 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:57:22,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:22,363 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 293 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-11-18 11:57:22,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:57:22,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3427 states to 3017 states and 3427 transitions. [2018-11-18 11:57:22,849 INFO L276 IsEmpty]: Start isEmpty. Operand 3017 states and 3427 transitions. [2018-11-18 11:57:22,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-11-18 11:57:22,851 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:57:22,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:22,972 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 105 proven. 34 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2018-11-18 11:57:23,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:57:23,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3444 states to 3034 states and 3444 transitions. [2018-11-18 11:57:23,727 INFO L276 IsEmpty]: Start isEmpty. Operand 3034 states and 3444 transitions. [2018-11-18 11:57:23,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-11-18 11:57:23,729 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:57:23,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:23,808 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 337 proven. 5 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-11-18 11:57:24,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:57:24,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3462 states to 3051 states and 3462 transitions. [2018-11-18 11:57:24,047 INFO L276 IsEmpty]: Start isEmpty. Operand 3051 states and 3462 transitions. [2018-11-18 11:57:24,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-11-18 11:57:24,049 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:57:24,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:24,152 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 337 proven. 5 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-11-18 11:57:24,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:57:24,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3473 states to 3062 states and 3473 transitions. [2018-11-18 11:57:24,224 INFO L276 IsEmpty]: Start isEmpty. Operand 3062 states and 3473 transitions. [2018-11-18 11:57:24,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-11-18 11:57:24,226 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:57:24,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:24,367 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 289 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-11-18 11:57:25,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:57:25,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3531 states to 3121 states and 3531 transitions. [2018-11-18 11:57:25,809 INFO L276 IsEmpty]: Start isEmpty. Operand 3121 states and 3531 transitions. [2018-11-18 11:57:25,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-11-18 11:57:25,811 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:57:25,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:25,936 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 299 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-11-18 11:57:26,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:57:26,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3540 states to 3131 states and 3540 transitions. [2018-11-18 11:57:26,238 INFO L276 IsEmpty]: Start isEmpty. Operand 3131 states and 3540 transitions. [2018-11-18 11:57:26,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-11-18 11:57:26,240 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:57:26,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:26,305 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 298 proven. 0 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2018-11-18 11:57:26,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:57:26,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3560 states to 3145 states and 3560 transitions. [2018-11-18 11:57:26,691 INFO L276 IsEmpty]: Start isEmpty. Operand 3145 states and 3560 transitions. [2018-11-18 11:57:26,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-11-18 11:57:26,693 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:57:26,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:26,746 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 254 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2018-11-18 11:57:26,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:57:26,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3582 states to 3168 states and 3582 transitions. [2018-11-18 11:57:26,981 INFO L276 IsEmpty]: Start isEmpty. Operand 3168 states and 3582 transitions. [2018-11-18 11:57:26,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-11-18 11:57:26,983 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:57:26,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:27,171 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 209 proven. 18 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2018-11-18 11:57:28,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:57:28,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3642 states to 3220 states and 3642 transitions. [2018-11-18 11:57:28,313 INFO L276 IsEmpty]: Start isEmpty. Operand 3220 states and 3642 transitions. [2018-11-18 11:57:28,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-11-18 11:57:28,315 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:57:28,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:28,409 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 209 proven. 18 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2018-11-18 11:57:28,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:57:28,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3660 states to 3239 states and 3660 transitions. [2018-11-18 11:57:28,949 INFO L276 IsEmpty]: Start isEmpty. Operand 3239 states and 3660 transitions. [2018-11-18 11:57:28,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2018-11-18 11:57:28,951 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:57:28,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:29,033 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 292 proven. 10 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2018-11-18 11:57:29,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:57:29,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3685 states to 3264 states and 3685 transitions. [2018-11-18 11:57:29,293 INFO L276 IsEmpty]: Start isEmpty. Operand 3264 states and 3685 transitions. [2018-11-18 11:57:29,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2018-11-18 11:57:29,295 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:57:29,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:29,374 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 292 proven. 10 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2018-11-18 11:57:29,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:57:29,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3704 states to 3284 states and 3704 transitions. [2018-11-18 11:57:29,599 INFO L276 IsEmpty]: Start isEmpty. Operand 3284 states and 3704 transitions. [2018-11-18 11:57:29,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2018-11-18 11:57:29,601 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:57:29,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:29,686 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 292 proven. 10 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2018-11-18 11:57:29,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:57:29,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3713 states to 3294 states and 3713 transitions. [2018-11-18 11:57:29,888 INFO L276 IsEmpty]: Start isEmpty. Operand 3294 states and 3713 transitions. [2018-11-18 11:57:29,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2018-11-18 11:57:29,890 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:57:29,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:29,969 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 292 proven. 10 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2018-11-18 11:57:30,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:57:30,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3718 states to 3300 states and 3718 transitions. [2018-11-18 11:57:30,191 INFO L276 IsEmpty]: Start isEmpty. Operand 3300 states and 3718 transitions. [2018-11-18 11:57:30,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2018-11-18 11:57:30,193 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:57:30,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:30,300 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 215 proven. 22 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2018-11-18 11:57:30,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:57:30,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3746 states to 3329 states and 3746 transitions. [2018-11-18 11:57:30,674 INFO L276 IsEmpty]: Start isEmpty. Operand 3329 states and 3746 transitions. [2018-11-18 11:57:30,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2018-11-18 11:57:30,676 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:57:30,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:30,778 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 215 proven. 22 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2018-11-18 11:57:31,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:57:31,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3773 states to 3357 states and 3773 transitions. [2018-11-18 11:57:31,182 INFO L276 IsEmpty]: Start isEmpty. Operand 3357 states and 3773 transitions. [2018-11-18 11:57:31,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-11-18 11:57:31,184 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:57:31,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:31,336 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 296 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2018-11-18 11:57:31,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:57:31,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3783 states to 3367 states and 3783 transitions. [2018-11-18 11:57:31,741 INFO L276 IsEmpty]: Start isEmpty. Operand 3367 states and 3783 transitions. [2018-11-18 11:57:31,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-11-18 11:57:31,743 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:57:31,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:31,805 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 296 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2018-11-18 11:57:32,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:57:32,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3803 states to 3387 states and 3803 transitions. [2018-11-18 11:57:32,066 INFO L276 IsEmpty]: Start isEmpty. Operand 3387 states and 3803 transitions. [2018-11-18 11:57:32,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2018-11-18 11:57:32,068 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:57:32,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:32,262 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 231 proven. 8 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2018-11-18 11:57:32,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:57:32,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3829 states to 3411 states and 3829 transitions. [2018-11-18 11:57:32,927 INFO L276 IsEmpty]: Start isEmpty. Operand 3411 states and 3829 transitions. [2018-11-18 11:57:32,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2018-11-18 11:57:32,929 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:57:32,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:33,150 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 231 proven. 8 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2018-11-18 11:57:33,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:57:33,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3831 states to 3414 states and 3831 transitions. [2018-11-18 11:57:33,448 INFO L276 IsEmpty]: Start isEmpty. Operand 3414 states and 3831 transitions. [2018-11-18 11:57:33,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2018-11-18 11:57:33,451 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:57:33,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:33,656 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 231 proven. 8 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2018-11-18 11:57:33,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:57:33,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3832 states to 3416 states and 3832 transitions. [2018-11-18 11:57:33,779 INFO L276 IsEmpty]: Start isEmpty. Operand 3416 states and 3832 transitions. [2018-11-18 11:57:33,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2018-11-18 11:57:33,781 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:57:33,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:33,989 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 231 proven. 8 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2018-11-18 11:57:34,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:57:34,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3803 states to 3388 states and 3803 transitions. [2018-11-18 11:57:34,103 INFO L276 IsEmpty]: Start isEmpty. Operand 3388 states and 3803 transitions. [2018-11-18 11:57:34,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2018-11-18 11:57:34,105 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:57:34,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:34,305 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 231 proven. 8 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2018-11-18 11:57:34,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:57:34,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3805 states to 3389 states and 3805 transitions. [2018-11-18 11:57:34,404 INFO L276 IsEmpty]: Start isEmpty. Operand 3389 states and 3805 transitions. [2018-11-18 11:57:34,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2018-11-18 11:57:34,406 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:57:34,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:34,608 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 231 proven. 8 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2018-11-18 11:57:34,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:57:34,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3806 states to 3391 states and 3806 transitions. [2018-11-18 11:57:34,703 INFO L276 IsEmpty]: Start isEmpty. Operand 3391 states and 3806 transitions. [2018-11-18 11:57:34,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2018-11-18 11:57:34,705 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:57:34,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:34,917 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 231 proven. 8 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2018-11-18 11:57:35,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:57:35,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3812 states to 3396 states and 3812 transitions. [2018-11-18 11:57:35,551 INFO L276 IsEmpty]: Start isEmpty. Operand 3396 states and 3812 transitions. [2018-11-18 11:57:35,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2018-11-18 11:57:35,553 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:57:35,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:36,210 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 374 proven. 68 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2018-11-18 11:57:37,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:57:37,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3841 states to 3419 states and 3841 transitions. [2018-11-18 11:57:37,764 INFO L276 IsEmpty]: Start isEmpty. Operand 3419 states and 3841 transitions. [2018-11-18 11:57:37,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2018-11-18 11:57:37,766 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:57:37,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:37,933 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 374 proven. 68 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2018-11-18 11:57:38,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:57:38,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3865 states to 3438 states and 3865 transitions. [2018-11-18 11:57:38,473 INFO L276 IsEmpty]: Start isEmpty. Operand 3438 states and 3865 transitions. [2018-11-18 11:57:38,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2018-11-18 11:57:38,475 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:57:38,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:38,647 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 374 proven. 68 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2018-11-18 11:57:40,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:57:40,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3893 states to 3459 states and 3893 transitions. [2018-11-18 11:57:40,074 INFO L276 IsEmpty]: Start isEmpty. Operand 3459 states and 3893 transitions. [2018-11-18 11:57:40,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2018-11-18 11:57:40,076 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:57:40,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:40,143 INFO L134 CoverageAnalysis]: Checked inductivity of 514 backedges. 376 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2018-11-18 11:57:41,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:57:41,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3928 states to 3489 states and 3928 transitions. [2018-11-18 11:57:41,427 INFO L276 IsEmpty]: Start isEmpty. Operand 3489 states and 3928 transitions. [2018-11-18 11:57:41,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2018-11-18 11:57:41,429 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:57:41,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:41,495 INFO L134 CoverageAnalysis]: Checked inductivity of 514 backedges. 376 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2018-11-18 11:57:41,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:57:41,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3937 states to 3498 states and 3937 transitions. [2018-11-18 11:57:41,560 INFO L276 IsEmpty]: Start isEmpty. Operand 3498 states and 3937 transitions. [2018-11-18 11:57:41,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2018-11-18 11:57:41,562 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:57:41,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:41,628 INFO L134 CoverageAnalysis]: Checked inductivity of 514 backedges. 376 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2018-11-18 11:57:41,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:57:41,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3939 states to 3501 states and 3939 transitions. [2018-11-18 11:57:41,676 INFO L276 IsEmpty]: Start isEmpty. Operand 3501 states and 3939 transitions. [2018-11-18 11:57:41,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2018-11-18 11:57:41,678 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:57:41,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:41,744 INFO L134 CoverageAnalysis]: Checked inductivity of 514 backedges. 376 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2018-11-18 11:57:42,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:57:42,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3969 states to 3529 states and 3969 transitions. [2018-11-18 11:57:42,651 INFO L276 IsEmpty]: Start isEmpty. Operand 3529 states and 3969 transitions. [2018-11-18 11:57:42,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2018-11-18 11:57:42,653 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:57:42,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:42,723 INFO L134 CoverageAnalysis]: Checked inductivity of 514 backedges. 376 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2018-11-18 11:57:43,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:57:43,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3971 states to 3532 states and 3971 transitions. [2018-11-18 11:57:43,145 INFO L276 IsEmpty]: Start isEmpty. Operand 3532 states and 3971 transitions. [2018-11-18 11:57:43,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2018-11-18 11:57:43,147 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:57:43,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:43,206 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 434 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2018-11-18 11:57:44,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:57:44,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4000 states to 3559 states and 4000 transitions. [2018-11-18 11:57:44,295 INFO L276 IsEmpty]: Start isEmpty. Operand 3559 states and 4000 transitions. [2018-11-18 11:57:44,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2018-11-18 11:57:44,297 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:57:44,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:44,354 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 434 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2018-11-18 11:57:45,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:57:45,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4022 states to 3580 states and 4022 transitions. [2018-11-18 11:57:45,164 INFO L276 IsEmpty]: Start isEmpty. Operand 3580 states and 4022 transitions. [2018-11-18 11:57:45,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2018-11-18 11:57:45,167 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:57:45,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:45,224 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 434 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2018-11-18 11:57:45,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:57:45,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4032 states to 3591 states and 4032 transitions. [2018-11-18 11:57:45,686 INFO L276 IsEmpty]: Start isEmpty. Operand 3591 states and 4032 transitions. [2018-11-18 11:57:45,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2018-11-18 11:57:45,688 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:57:45,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:45,756 INFO L134 CoverageAnalysis]: Checked inductivity of 551 backedges. 449 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-11-18 11:57:46,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:57:46,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4043 states to 3602 states and 4043 transitions. [2018-11-18 11:57:46,148 INFO L276 IsEmpty]: Start isEmpty. Operand 3602 states and 4043 transitions. [2018-11-18 11:57:46,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2018-11-18 11:57:46,151 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:57:46,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:46,326 INFO L134 CoverageAnalysis]: Checked inductivity of 551 backedges. 449 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-11-18 11:57:46,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:57:46,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4053 states to 3613 states and 4053 transitions. [2018-11-18 11:57:46,394 INFO L276 IsEmpty]: Start isEmpty. Operand 3613 states and 4053 transitions. [2018-11-18 11:57:46,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2018-11-18 11:57:46,396 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:57:46,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:46,467 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 439 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2018-11-18 11:57:46,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:57:46,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4067 states to 3627 states and 4067 transitions. [2018-11-18 11:57:46,905 INFO L276 IsEmpty]: Start isEmpty. Operand 3627 states and 4067 transitions. [2018-11-18 11:57:46,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2018-11-18 11:57:46,908 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:57:46,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:46,975 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 439 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2018-11-18 11:57:47,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:57:47,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4092 states to 3653 states and 4092 transitions. [2018-11-18 11:57:47,235 INFO L276 IsEmpty]: Start isEmpty. Operand 3653 states and 4092 transitions. [2018-11-18 11:57:47,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2018-11-18 11:57:47,237 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:57:47,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:47,305 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 439 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2018-11-18 11:57:47,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:57:47,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4129 states to 3690 states and 4129 transitions. [2018-11-18 11:57:47,940 INFO L276 IsEmpty]: Start isEmpty. Operand 3690 states and 4129 transitions. [2018-11-18 11:57:47,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2018-11-18 11:57:47,942 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:57:47,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:48,011 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 439 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2018-11-18 11:57:48,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:57:48,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4139 states to 3701 states and 4139 transitions. [2018-11-18 11:57:48,433 INFO L276 IsEmpty]: Start isEmpty. Operand 3701 states and 4139 transitions. [2018-11-18 11:57:48,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2018-11-18 11:57:48,435 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:57:48,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:48,504 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 439 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2018-11-18 11:57:48,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:57:48,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4149 states to 3712 states and 4149 transitions. [2018-11-18 11:57:48,974 INFO L276 IsEmpty]: Start isEmpty. Operand 3712 states and 4149 transitions. [2018-11-18 11:57:48,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2018-11-18 11:57:48,977 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:57:48,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:49,046 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 439 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2018-11-18 11:57:49,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:57:49,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4166 states to 3729 states and 4166 transitions. [2018-11-18 11:57:49,533 INFO L276 IsEmpty]: Start isEmpty. Operand 3729 states and 4166 transitions. [2018-11-18 11:57:49,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2018-11-18 11:57:49,536 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:57:49,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:49,699 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 344 proven. 10 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2018-11-18 11:57:49,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:57:49,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4170 states to 3734 states and 4170 transitions. [2018-11-18 11:57:49,836 INFO L276 IsEmpty]: Start isEmpty. Operand 3734 states and 4170 transitions. [2018-11-18 11:57:49,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2018-11-18 11:57:49,839 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:57:49,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:49,939 INFO L134 CoverageAnalysis]: Checked inductivity of 559 backedges. 259 proven. 12 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2018-11-18 11:57:50,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:57:50,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4231 states to 3794 states and 4231 transitions. [2018-11-18 11:57:50,142 INFO L276 IsEmpty]: Start isEmpty. Operand 3794 states and 4231 transitions. [2018-11-18 11:57:50,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2018-11-18 11:57:50,144 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:57:50,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:50,340 INFO L134 CoverageAnalysis]: Checked inductivity of 559 backedges. 259 proven. 12 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2018-11-18 11:57:50,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:57:50,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4239 states to 3803 states and 4239 transitions. [2018-11-18 11:57:50,427 INFO L276 IsEmpty]: Start isEmpty. Operand 3803 states and 4239 transitions. [2018-11-18 11:57:50,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2018-11-18 11:57:50,429 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:57:50,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:50,575 INFO L134 CoverageAnalysis]: Checked inductivity of 711 backedges. 289 proven. 24 refuted. 0 times theorem prover too weak. 398 trivial. 0 not checked. [2018-11-18 11:57:50,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:57:50,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3483 states to 3128 states and 3483 transitions. [2018-11-18 11:57:50,690 INFO L276 IsEmpty]: Start isEmpty. Operand 3128 states and 3483 transitions. [2018-11-18 11:57:50,692 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 11:57:50,692 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 197 iterations. [2018-11-18 11:57:50,699 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 11:57:50,920 WARN L180 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 46 [2018-11-18 11:57:51,166 WARN L180 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 48 [2018-11-18 11:57:51,405 WARN L180 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 46 [2018-11-18 11:57:51,686 WARN L180 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 46 [2018-11-18 11:57:51,894 WARN L180 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 48 [2018-11-18 11:57:51,998 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 33 [2018-11-18 11:57:52,202 WARN L180 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 38 [2018-11-18 11:57:52,320 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 33 [2018-11-18 11:57:52,486 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 38 [2018-11-18 11:57:52,705 WARN L180 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 46 [2018-11-18 11:57:52,919 WARN L180 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 46 [2018-11-18 11:57:53,162 WARN L180 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 36 [2018-11-18 11:57:53,274 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 33 [2018-11-18 11:57:53,430 WARN L180 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 36 [2018-11-18 11:57:53,564 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 36 [2018-11-18 11:57:53,679 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 36 [2018-11-18 11:57:53,810 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 36 [2018-11-18 11:57:54,052 WARN L180 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 48 [2018-11-18 11:57:54,296 WARN L180 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 48 [2018-11-18 11:57:54,546 WARN L180 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 48 [2018-11-18 11:57:54,664 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 36 [2018-11-18 11:57:54,861 WARN L180 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 31 [2018-11-18 11:57:55,077 WARN L180 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 46 [2018-11-18 11:57:55,278 WARN L180 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 38 [2018-11-18 11:57:55,442 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 38 [2018-11-18 11:57:55,572 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 36 [2018-11-18 11:57:55,817 WARN L180 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 46 [2018-11-18 11:57:55,939 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 36 [2018-11-18 11:57:56,184 WARN L180 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 48 [2018-11-18 11:57:56,302 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 36 [2018-11-18 11:57:56,506 WARN L180 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 47 [2018-11-18 11:57:56,672 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 36 [2018-11-18 11:57:56,882 WARN L180 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 48 [2018-11-18 11:57:57,135 WARN L180 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 36 [2018-11-18 11:57:57,349 WARN L180 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 49 [2018-11-18 11:57:57,501 WARN L180 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 38 [2018-11-18 11:57:57,612 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 36 [2018-11-18 11:57:57,817 WARN L180 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 47 [2018-11-18 11:57:57,935 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 36 [2018-11-18 11:57:58,056 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 36 [2018-11-18 11:57:58,257 WARN L180 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 46 [2018-11-18 11:57:58,491 WARN L180 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 46 [2018-11-18 11:57:58,659 WARN L180 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 36 [2018-11-18 11:57:58,816 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 31 [2018-11-18 11:57:59,057 WARN L180 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 48 [2018-11-18 11:57:59,178 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 36 [2018-11-18 11:57:59,335 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 38 [2018-11-18 11:57:59,603 WARN L180 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 46 [2018-11-18 11:57:59,766 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 38 [2018-11-18 11:57:59,936 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 36 [2018-11-18 11:58:00,040 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 33 [2018-11-18 11:58:00,144 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 33 [2018-11-18 11:58:00,310 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 36 [2018-11-18 11:58:00,519 WARN L180 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 48 [2018-11-18 11:58:00,726 WARN L180 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 48 [2018-11-18 11:58:00,831 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 33 [2018-11-18 11:58:01,049 WARN L180 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 46 [2018-11-18 11:58:01,241 WARN L180 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 38 [2018-11-18 11:58:01,351 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 36 [2018-11-18 11:58:01,482 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 36 [2018-11-18 11:58:01,727 WARN L180 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 48 [2018-11-18 11:58:01,929 WARN L180 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 46 [2018-11-18 11:58:02,035 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 33 [2018-11-18 11:58:02,167 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 36 [2018-11-18 11:58:02,361 WARN L180 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 31 [2018-11-18 11:58:02,527 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 36 [2018-11-18 11:58:02,736 WARN L180 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 48 [2018-11-18 11:58:02,942 WARN L180 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 48 [2018-11-18 11:58:03,137 WARN L180 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 31 [2018-11-18 11:58:03,259 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 36 [2018-11-18 11:58:03,527 WARN L180 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 46 [2018-11-18 11:58:03,657 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 36 [2018-11-18 11:58:03,764 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 33 [2018-11-18 11:58:03,968 WARN L180 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 38 [2018-11-18 11:58:03,968 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:58:03,970 INFO L579 CodeCheckObserver]: Invariant with dag size 31 [2018-11-18 11:58:03,978 INFO L579 CodeCheckObserver]: Invariant with dag size 31 [2018-11-18 11:58:03,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 11:58:03 ImpRootNode [2018-11-18 11:58:03,979 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 11:58:03,979 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:58:03,979 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:58:03,980 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:58:03,980 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:55:52" (3/4) ... [2018-11-18 11:58:03,983 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 11:58:03,998 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 111 nodes and edges [2018-11-18 11:58:03,999 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-18 11:58:04,000 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-18 11:58:04,001 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 11:58:04,075 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7923e167-5edf-4163-8aa4-2ed54b4efa0c/bin-2019/ukojak/witness.graphml [2018-11-18 11:58:04,075 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:58:04,076 INFO L168 Benchmark]: Toolchain (without parser) took 133769.84 ms. Allocated memory was 1.0 GB in the beginning and 4.3 GB in the end (delta: 3.2 GB). Free memory was 953.9 MB in the beginning and 985.7 MB in the end (delta: -31.8 MB). Peak memory consumption was 3.2 GB. Max. memory is 11.5 GB. [2018-11-18 11:58:04,076 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:58:04,076 INFO L168 Benchmark]: CACSL2BoogieTranslator took 387.93 ms. Allocated memory is still 1.0 GB. Free memory was 953.9 MB in the beginning and 918.8 MB in the end (delta: 35.1 MB). Peak memory consumption was 35.1 MB. Max. memory is 11.5 GB. [2018-11-18 11:58:04,077 INFO L168 Benchmark]: Boogie Procedure Inliner took 116.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 918.8 MB in the beginning and 1.1 GB in the end (delta: -229.2 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2018-11-18 11:58:04,077 INFO L168 Benchmark]: Boogie Preprocessor took 48.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-18 11:58:04,077 INFO L168 Benchmark]: RCFGBuilder took 1602.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 899.5 MB in the end (delta: 245.2 MB). Peak memory consumption was 245.2 MB. Max. memory is 11.5 GB. [2018-11-18 11:58:04,077 INFO L168 Benchmark]: CodeCheck took 131514.53 ms. Allocated memory was 1.2 GB in the beginning and 4.3 GB in the end (delta: 3.1 GB). Free memory was 899.5 MB in the beginning and 1.0 GB in the end (delta: -149.7 MB). Peak memory consumption was 3.2 GB. Max. memory is 11.5 GB. [2018-11-18 11:58:04,078 INFO L168 Benchmark]: Witness Printer took 95.93 ms. Allocated memory is still 4.3 GB. Free memory was 1.0 GB in the beginning and 985.7 MB in the end (delta: 63.5 MB). Peak memory consumption was 63.5 MB. Max. memory is 11.5 GB. [2018-11-18 11:58:04,079 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, 228 locations, 1 error locations. SAFE Result, 118.2s OverallTime, 197 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -2113860032 SDtfs, 1612179798 SDslu, 453538304 SDs, 0 SdLazy, -1128412158 SolverSat, 67480848 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 940.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 283282 GetRequests, 277629 SyntacticMatches, 4249 SemanticMatches, 1404 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1445479 ImplicationChecksByTransitivity, 91.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.8s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 11.8s InterpolantComputationTime, 43785 NumberOfCodeBlocks, 43785 NumberOfCodeBlocksAsserted, 196 NumberOfCheckSat, 43589 ConstructedInterpolants, 0 QuantifiedInterpolants, 31265733 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 196 InterpolantComputations, 122 PerfectInterpolantSequences, 49681/50686 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: 544]: 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: ((((((!(a19 == 1) && !(a28 == 8)) && !(a28 == 11)) || ((!(a19 == 1) && a25 == 1) && !(a28 == 11))) || ((((a17 == 8 && a19 == 1) && a21 == 1) && a25 == 1) && !(a11 == 1))) || ((a28 < 11 && a25 == 1) && !(a11 == 1))) || ((!(a28 == 8) && !(a11 == 1)) && !(a28 == 11))) || (!(a17 == 9) && !(a28 == 11)) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((!(a19 == 1) && a25 == 1) && !(a28 == 11)) || ((a28 < 11 && a25 == 1) && !(a11 == 1))) || (!(a17 == 9) && !(a28 == 11))) || ((((a17 == 8 && a19 == 1) && a21 == 1) && a25 == 1) && !(a11 == 1))) || ((!(a28 == 8) && !(a11 == 1)) && !(a28 == 11))) || ((!(a19 == 1) && !(a28 == 8)) && !(a28 == 11)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 387.93 ms. Allocated memory is still 1.0 GB. Free memory was 953.9 MB in the beginning and 918.8 MB in the end (delta: 35.1 MB). Peak memory consumption was 35.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 116.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 918.8 MB in the beginning and 1.1 GB in the end (delta: -229.2 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1602.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 899.5 MB in the end (delta: 245.2 MB). Peak memory consumption was 245.2 MB. Max. memory is 11.5 GB. * CodeCheck took 131514.53 ms. Allocated memory was 1.2 GB in the beginning and 4.3 GB in the end (delta: 3.1 GB). Free memory was 899.5 MB in the beginning and 1.0 GB in the end (delta: -149.7 MB). Peak memory consumption was 3.2 GB. Max. memory is 11.5 GB. * Witness Printer took 95.93 ms. Allocated memory is still 4.3 GB. Free memory was 1.0 GB in the beginning and 985.7 MB in the end (delta: 63.5 MB). Peak memory consumption was 63.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...