./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig1_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6026c816-299a-4c66-8a60-52441d6d20b6/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6026c816-299a-4c66-8a60-52441d6d20b6/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6026c816-299a-4c66-8a60-52441d6d20b6/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6026c816-299a-4c66-8a60-52441d6d20b6/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig1_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6026c816-299a-4c66-8a60-52441d6d20b6/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6026c816-299a-4c66-8a60-52441d6d20b6/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0564e568992a96ba006237c1af458e049de52506 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 09:11:11,340 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 09:11:11,341 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 09:11:11,348 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 09:11:11,348 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 09:11:11,349 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 09:11:11,349 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 09:11:11,350 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 09:11:11,351 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 09:11:11,352 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 09:11:11,353 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 09:11:11,353 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 09:11:11,353 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 09:11:11,354 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 09:11:11,355 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 09:11:11,355 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 09:11:11,356 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 09:11:11,357 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 09:11:11,358 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 09:11:11,359 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 09:11:11,360 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 09:11:11,361 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 09:11:11,362 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 09:11:11,363 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 09:11:11,363 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 09:11:11,363 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 09:11:11,364 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 09:11:11,364 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 09:11:11,365 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 09:11:11,366 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 09:11:11,366 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 09:11:11,366 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 09:11:11,367 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 09:11:11,367 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 09:11:11,367 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 09:11:11,368 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 09:11:11,368 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6026c816-299a-4c66-8a60-52441d6d20b6/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-12-09 09:11:11,378 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 09:11:11,378 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 09:11:11,379 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 09:11:11,379 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 09:11:11,379 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 09:11:11,379 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 09:11:11,380 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 09:11:11,380 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-09 09:11:11,380 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 09:11:11,380 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 09:11:11,380 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 09:11:11,380 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 09:11:11,380 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 09:11:11,380 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-12-09 09:11:11,380 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 09:11:11,380 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 09:11:11,381 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 09:11:11,381 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 09:11:11,381 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 09:11:11,381 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 09:11:11,381 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 09:11:11,381 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 09:11:11,381 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 09:11:11,382 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 09:11:11,382 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 09:11:11,382 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 09:11:11,382 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 09:11:11,382 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 09:11:11,382 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_6026c816-299a-4c66-8a60-52441d6d20b6/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 ! overflow) ) 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0564e568992a96ba006237c1af458e049de52506 [2018-12-09 09:11:11,403 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 09:11:11,410 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 09:11:11,412 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 09:11:11,413 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 09:11:11,413 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 09:11:11,414 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6026c816-299a-4c66-8a60-52441d6d20b6/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig1_true-termination_true-no-overflow.c [2018-12-09 09:11:11,449 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6026c816-299a-4c66-8a60-52441d6d20b6/bin-2019/ukojak/data/e31af29a7/2ec8b307186e4f7181c2b4991a8bc786/FLAG00d8ca9f6 [2018-12-09 09:11:11,895 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 09:11:11,896 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6026c816-299a-4c66-8a60-52441d6d20b6/sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig1_true-termination_true-no-overflow.c [2018-12-09 09:11:11,900 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6026c816-299a-4c66-8a60-52441d6d20b6/bin-2019/ukojak/data/e31af29a7/2ec8b307186e4f7181c2b4991a8bc786/FLAG00d8ca9f6 [2018-12-09 09:11:11,909 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6026c816-299a-4c66-8a60-52441d6d20b6/bin-2019/ukojak/data/e31af29a7/2ec8b307186e4f7181c2b4991a8bc786 [2018-12-09 09:11:11,912 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 09:11:11,913 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 09:11:11,913 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 09:11:11,913 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 09:11:11,916 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 09:11:11,916 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:11:11" (1/1) ... [2018-12-09 09:11:11,918 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2817da2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:11:11, skipping insertion in model container [2018-12-09 09:11:11,918 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:11:11" (1/1) ... [2018-12-09 09:11:11,922 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 09:11:11,932 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 09:11:12,019 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 09:11:12,021 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 09:11:12,029 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 09:11:12,036 INFO L195 MainTranslator]: Completed translation [2018-12-09 09:11:12,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:11:12 WrapperNode [2018-12-09 09:11:12,037 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 09:11:12,037 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 09:11:12,037 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 09:11:12,037 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 09:11:12,042 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:11:12" (1/1) ... [2018-12-09 09:11:12,044 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:11:12" (1/1) ... [2018-12-09 09:11:12,054 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 09:11:12,054 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 09:11:12,054 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 09:11:12,054 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 09:11:12,059 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:11:12" (1/1) ... [2018-12-09 09:11:12,059 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:11:12" (1/1) ... [2018-12-09 09:11:12,060 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:11:12" (1/1) ... [2018-12-09 09:11:12,060 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:11:12" (1/1) ... [2018-12-09 09:11:12,061 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:11:12" (1/1) ... [2018-12-09 09:11:12,063 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:11:12" (1/1) ... [2018-12-09 09:11:12,063 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:11:12" (1/1) ... [2018-12-09 09:11:12,064 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 09:11:12,064 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 09:11:12,064 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 09:11:12,064 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 09:11:12,065 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:11:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6026c816-299a-4c66-8a60-52441d6d20b6/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 09:11:12,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 09:11:12,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 09:11:12,219 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 09:11:12,219 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-12-09 09:11:12,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:11:12 BoogieIcfgContainer [2018-12-09 09:11:12,219 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 09:11:12,220 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 09:11:12,220 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 09:11:12,226 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 09:11:12,226 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:11:12" (1/1) ... [2018-12-09 09:11:12,232 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:11:12,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:12,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2018-12-09 09:11:12,252 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2018-12-09 09:11:12,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-09 09:11:12,254 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:12,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:12,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:11:12,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:12,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2018-12-09 09:11:12,359 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2018-12-09 09:11:12,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-09 09:11:12,360 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:12,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:12,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:11:12,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:12,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 16 states and 21 transitions. [2018-12-09 09:11:12,481 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2018-12-09 09:11:12,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-09 09:11:12,483 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:12,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:12,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:11:12,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:12,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2018-12-09 09:11:12,597 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2018-12-09 09:11:12,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-09 09:11:12,597 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:12,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:12,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:11:12,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:12,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 24 states and 35 transitions. [2018-12-09 09:11:12,831 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 35 transitions. [2018-12-09 09:11:12,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-09 09:11:12,831 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:12,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:12,871 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:11:13,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:13,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2018-12-09 09:11:13,044 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2018-12-09 09:11:13,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 09:11:13,045 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:13,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:13,080 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:11:13,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:13,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 29 states and 47 transitions. [2018-12-09 09:11:13,218 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2018-12-09 09:11:13,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-09 09:11:13,218 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:13,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:13,228 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:11:13,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:13,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 32 states and 54 transitions. [2018-12-09 09:11:13,386 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 54 transitions. [2018-12-09 09:11:13,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-09 09:11:13,386 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:13,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:13,395 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:11:13,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:13,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 34 states and 55 transitions. [2018-12-09 09:11:13,465 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 55 transitions. [2018-12-09 09:11:13,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-09 09:11:13,466 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:13,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:13,510 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 09:11:13,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:13,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2018-12-09 09:11:13,771 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2018-12-09 09:11:13,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 09:11:13,771 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:13,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:13,880 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:11:14,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:14,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 40 states and 64 transitions. [2018-12-09 09:11:14,230 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 64 transitions. [2018-12-09 09:11:14,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 09:11:14,231 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:14,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:14,242 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:11:14,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:14,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 42 states and 69 transitions. [2018-12-09 09:11:14,469 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 69 transitions. [2018-12-09 09:11:14,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-09 09:11:14,469 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:14,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:14,513 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:11:14,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:14,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 46 states and 83 transitions. [2018-12-09 09:11:14,685 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 83 transitions. [2018-12-09 09:11:14,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-09 09:11:14,685 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:14,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:14,697 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:11:14,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:14,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 49 states and 90 transitions. [2018-12-09 09:11:14,819 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 90 transitions. [2018-12-09 09:11:14,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-09 09:11:14,820 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:14,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:14,827 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:11:14,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:14,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 51 states and 92 transitions. [2018-12-09 09:11:14,986 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 92 transitions. [2018-12-09 09:11:14,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-09 09:11:14,986 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:14,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:14,995 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:11:15,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:15,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 53 states and 93 transitions. [2018-12-09 09:11:15,081 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 93 transitions. [2018-12-09 09:11:15,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-09 09:11:15,081 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:15,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:15,088 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 09:11:15,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:15,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 53 states and 92 transitions. [2018-12-09 09:11:15,301 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 92 transitions. [2018-12-09 09:11:15,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-09 09:11:15,301 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:15,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:15,308 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 09:11:15,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:15,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 54 states and 93 transitions. [2018-12-09 09:11:15,511 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 93 transitions. [2018-12-09 09:11:15,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-09 09:11:15,512 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:15,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:15,659 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:11:16,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:16,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 56 states and 95 transitions. [2018-12-09 09:11:16,007 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 95 transitions. [2018-12-09 09:11:16,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-09 09:11:16,007 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:16,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:16,021 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:11:17,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:17,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 61 states and 107 transitions. [2018-12-09 09:11:17,177 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 107 transitions. [2018-12-09 09:11:17,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-09 09:11:17,178 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:17,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:17,193 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:11:17,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:17,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 62 states and 109 transitions. [2018-12-09 09:11:17,310 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 109 transitions. [2018-12-09 09:11:17,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-09 09:11:17,310 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:17,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:17,331 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:11:17,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:17,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 64 states and 110 transitions. [2018-12-09 09:11:17,479 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 110 transitions. [2018-12-09 09:11:17,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-09 09:11:17,479 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:17,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:17,574 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 09:11:17,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:17,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 67 states and 125 transitions. [2018-12-09 09:11:17,919 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 125 transitions. [2018-12-09 09:11:17,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 09:11:17,919 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:17,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:17,959 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:11:18,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:18,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 72 states and 140 transitions. [2018-12-09 09:11:18,338 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 140 transitions. [2018-12-09 09:11:18,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 09:11:18,338 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:18,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:18,346 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:11:18,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:18,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 74 states and 141 transitions. [2018-12-09 09:11:18,461 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 141 transitions. [2018-12-09 09:11:18,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 09:11:18,461 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:18,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:18,467 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:11:18,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:18,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 76 states and 143 transitions. [2018-12-09 09:11:18,698 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 143 transitions. [2018-12-09 09:11:18,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 09:11:18,698 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:18,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:18,704 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:11:18,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:18,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 78 states and 144 transitions. [2018-12-09 09:11:18,822 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 144 transitions. [2018-12-09 09:11:18,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 09:11:18,822 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:18,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:18,827 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-09 09:11:19,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:19,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 78 states and 143 transitions. [2018-12-09 09:11:19,088 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 143 transitions. [2018-12-09 09:11:19,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 09:11:19,088 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:19,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:19,265 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 21 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:11:19,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:19,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 79 states and 145 transitions. [2018-12-09 09:11:19,526 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 145 transitions. [2018-12-09 09:11:19,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 09:11:19,527 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:19,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:19,577 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 21 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:11:20,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:20,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 82 states and 149 transitions. [2018-12-09 09:11:20,506 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 149 transitions. [2018-12-09 09:11:20,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 09:11:20,507 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:20,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:20,576 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 21 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:11:20,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:20,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 82 states and 145 transitions. [2018-12-09 09:11:20,665 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 145 transitions. [2018-12-09 09:11:20,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 09:11:20,666 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:20,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:20,717 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 21 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:11:20,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:20,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 81 states and 142 transitions. [2018-12-09 09:11:20,854 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 142 transitions. [2018-12-09 09:11:20,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 09:11:20,855 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:20,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:20,919 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:11:21,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:21,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 86 states and 157 transitions. [2018-12-09 09:11:21,465 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 157 transitions. [2018-12-09 09:11:21,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 09:11:21,466 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:21,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:21,475 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:11:21,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:21,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 88 states and 159 transitions. [2018-12-09 09:11:21,773 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 159 transitions. [2018-12-09 09:11:21,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 09:11:21,773 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:21,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:21,779 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:11:21,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:21,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 90 states and 160 transitions. [2018-12-09 09:11:21,911 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 160 transitions. [2018-12-09 09:11:21,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 09:11:21,912 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:21,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:21,918 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:11:22,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:22,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 92 states and 161 transitions. [2018-12-09 09:11:22,061 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 161 transitions. [2018-12-09 09:11:22,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-09 09:11:22,061 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:22,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:22,377 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 21 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:11:23,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:23,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 94 states and 164 transitions. [2018-12-09 09:11:23,078 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 164 transitions. [2018-12-09 09:11:23,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-09 09:11:23,079 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:23,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:23,119 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 21 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:11:23,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:23,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 96 states and 165 transitions. [2018-12-09 09:11:23,311 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 165 transitions. [2018-12-09 09:11:23,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-09 09:11:23,311 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:23,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:23,358 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 21 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:11:23,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:23,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 98 states and 167 transitions. [2018-12-09 09:11:23,727 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 167 transitions. [2018-12-09 09:11:23,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-09 09:11:23,727 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:23,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:23,780 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:11:24,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:24,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 103 states and 182 transitions. [2018-12-09 09:11:24,313 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 182 transitions. [2018-12-09 09:11:24,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-09 09:11:24,313 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:24,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:24,320 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:11:24,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:24,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 105 states and 183 transitions. [2018-12-09 09:11:24,518 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 183 transitions. [2018-12-09 09:11:24,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-09 09:11:24,519 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:24,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:24,524 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:11:24,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:24,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 107 states and 185 transitions. [2018-12-09 09:11:24,836 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 185 transitions. [2018-12-09 09:11:24,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-09 09:11:24,837 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:24,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:24,843 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:11:25,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:25,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 109 states and 186 transitions. [2018-12-09 09:11:25,007 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 186 transitions. [2018-12-09 09:11:25,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-09 09:11:25,007 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:25,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:25,348 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 38 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:11:27,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:27,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 112 states and 191 transitions. [2018-12-09 09:11:27,377 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 191 transitions. [2018-12-09 09:11:27,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-09 09:11:27,378 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:27,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:27,464 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 38 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:11:27,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:27,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 114 states and 192 transitions. [2018-12-09 09:11:27,684 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 192 transitions. [2018-12-09 09:11:27,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-09 09:11:27,684 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:27,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:27,759 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 38 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:11:28,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:28,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 115 states and 190 transitions. [2018-12-09 09:11:28,128 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 190 transitions. [2018-12-09 09:11:28,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-09 09:11:28,128 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:28,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:28,186 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:11:29,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:29,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 120 states and 205 transitions. [2018-12-09 09:11:29,080 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 205 transitions. [2018-12-09 09:11:29,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-09 09:11:29,080 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:29,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:29,094 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:11:29,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:29,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 122 states and 206 transitions. [2018-12-09 09:11:29,308 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 206 transitions. [2018-12-09 09:11:29,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-09 09:11:29,308 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:29,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:29,314 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:11:29,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:29,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 124 states and 208 transitions. [2018-12-09 09:11:29,660 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 208 transitions. [2018-12-09 09:11:29,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-09 09:11:29,660 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:29,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:29,665 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:11:29,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:29,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 126 states and 209 transitions. [2018-12-09 09:11:29,846 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 209 transitions. [2018-12-09 09:11:29,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-09 09:11:29,847 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:29,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:30,204 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 87 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:11:30,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:30,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 127 states and 211 transitions. [2018-12-09 09:11:30,624 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 211 transitions. [2018-12-09 09:11:30,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-09 09:11:30,625 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:30,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:30,788 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 87 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:11:30,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:30,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 126 states and 208 transitions. [2018-12-09 09:11:30,997 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 208 transitions. [2018-12-09 09:11:30,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-09 09:11:30,997 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:30,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:31,079 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:11:31,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:31,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 131 states and 223 transitions. [2018-12-09 09:11:31,806 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 223 transitions. [2018-12-09 09:11:31,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-09 09:11:31,806 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:31,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:31,813 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:11:32,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:32,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 133 states and 225 transitions. [2018-12-09 09:11:32,958 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 225 transitions. [2018-12-09 09:11:32,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-09 09:11:32,958 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:32,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:32,975 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:11:33,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:33,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 135 states and 226 transitions. [2018-12-09 09:11:33,625 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 226 transitions. [2018-12-09 09:11:33,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-09 09:11:33,626 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:33,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:33,643 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:11:34,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:34,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 137 states and 227 transitions. [2018-12-09 09:11:34,530 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 227 transitions. [2018-12-09 09:11:34,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-09 09:11:34,531 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:34,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:34,911 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 119 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:11:35,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:35,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 137 states and 226 transitions. [2018-12-09 09:11:35,492 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 226 transitions. [2018-12-09 09:11:35,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-09 09:11:35,492 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:35,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:35,567 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:11:36,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:36,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 142 states and 242 transitions. [2018-12-09 09:11:36,499 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 242 transitions. [2018-12-09 09:11:36,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-09 09:11:36,499 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:36,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:36,507 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:11:36,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:36,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 144 states and 243 transitions. [2018-12-09 09:11:36,736 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 243 transitions. [2018-12-09 09:11:36,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-09 09:11:36,737 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:36,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:36,743 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:11:36,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:36,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 146 states and 244 transitions. [2018-12-09 09:11:36,962 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 244 transitions. [2018-12-09 09:11:36,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-09 09:11:36,962 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:36,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:36,968 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:11:37,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:37,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 148 states and 245 transitions. [2018-12-09 09:11:37,184 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 245 transitions. [2018-12-09 09:11:37,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-09 09:11:37,184 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:37,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:37,620 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 156 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:11:38,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:38,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 149 states and 247 transitions. [2018-12-09 09:11:38,038 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 247 transitions. [2018-12-09 09:11:38,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-09 09:11:38,038 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:38,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:38,311 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 156 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:11:38,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:38,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 148 states and 244 transitions. [2018-12-09 09:11:38,537 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 244 transitions. [2018-12-09 09:11:38,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-09 09:11:38,537 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:38,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:38,620 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:11:39,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:39,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 153 states and 259 transitions. [2018-12-09 09:11:39,673 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 259 transitions. [2018-12-09 09:11:39,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-09 09:11:39,674 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:39,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:39,690 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:11:39,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:39,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 155 states and 260 transitions. [2018-12-09 09:11:39,936 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 260 transitions. [2018-12-09 09:11:39,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-09 09:11:39,936 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:39,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:39,942 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:11:40,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:40,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 157 states and 262 transitions. [2018-12-09 09:11:40,405 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 262 transitions. [2018-12-09 09:11:40,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-09 09:11:40,405 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:40,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:40,411 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:11:40,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:40,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 159 states and 263 transitions. [2018-12-09 09:11:40,646 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 263 transitions. [2018-12-09 09:11:40,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-09 09:11:40,646 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:40,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:41,162 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 198 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:11:42,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:42,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 160 states and 265 transitions. [2018-12-09 09:11:42,006 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 265 transitions. [2018-12-09 09:11:42,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-09 09:11:42,007 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:42,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:42,345 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 198 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:11:42,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:42,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 159 states and 262 transitions. [2018-12-09 09:11:42,626 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 262 transitions. [2018-12-09 09:11:42,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-09 09:11:42,627 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:42,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:42,728 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:11:43,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:43,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 164 states and 277 transitions. [2018-12-09 09:11:43,718 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 277 transitions. [2018-12-09 09:11:43,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-09 09:11:43,718 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:43,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:43,726 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:11:44,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:44,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 166 states and 278 transitions. [2018-12-09 09:11:44,003 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 278 transitions. [2018-12-09 09:11:44,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-09 09:11:44,003 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:44,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:44,010 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:11:44,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:44,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 168 states and 279 transitions. [2018-12-09 09:11:44,251 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 279 transitions. [2018-12-09 09:11:44,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-09 09:11:44,252 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:44,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:44,258 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:11:44,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:44,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 170 states and 281 transitions. [2018-12-09 09:11:44,729 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 281 transitions. [2018-12-09 09:11:44,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-09 09:11:44,729 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:44,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:45,306 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 245 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:11:45,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:45,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 171 states and 283 transitions. [2018-12-09 09:11:45,902 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 283 transitions. [2018-12-09 09:11:45,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-09 09:11:45,903 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:45,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:47,284 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 245 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:11:48,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:48,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 170 states and 280 transitions. [2018-12-09 09:11:48,521 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 280 transitions. [2018-12-09 09:11:48,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-09 09:11:48,521 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:48,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:48,660 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 0 proven. 319 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:11:49,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:49,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 175 states and 295 transitions. [2018-12-09 09:11:49,567 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 295 transitions. [2018-12-09 09:11:49,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-09 09:11:49,567 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:49,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:49,575 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 0 proven. 319 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:11:50,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:50,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 177 states and 297 transitions. [2018-12-09 09:11:50,958 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 297 transitions. [2018-12-09 09:11:50,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-09 09:11:50,958 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:50,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:50,967 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 0 proven. 319 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:11:51,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:51,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 179 states and 298 transitions. [2018-12-09 09:11:51,249 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 298 transitions. [2018-12-09 09:11:51,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-09 09:11:51,249 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:51,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:51,262 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 0 proven. 319 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:11:51,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:51,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 181 states and 299 transitions. [2018-12-09 09:11:51,552 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 299 transitions. [2018-12-09 09:11:51,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-09 09:11:51,552 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:51,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:52,259 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 297 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:11:53,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:53,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 181 states and 298 transitions. [2018-12-09 09:11:53,048 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 298 transitions. [2018-12-09 09:11:53,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-09 09:11:53,048 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:53,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:53,151 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:11:54,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:54,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 186 states and 314 transitions. [2018-12-09 09:11:54,376 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 314 transitions. [2018-12-09 09:11:54,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-09 09:11:54,377 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:54,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:54,384 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:11:54,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:54,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 188 states and 315 transitions. [2018-12-09 09:11:54,666 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 315 transitions. [2018-12-09 09:11:54,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-09 09:11:54,666 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:54,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:54,674 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:11:54,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:54,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 190 states and 316 transitions. [2018-12-09 09:11:54,965 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 316 transitions. [2018-12-09 09:11:54,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-09 09:11:54,966 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:54,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:54,973 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:11:55,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:55,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 192 states and 317 transitions. [2018-12-09 09:11:55,279 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 317 transitions. [2018-12-09 09:11:55,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-09 09:11:55,279 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:55,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:56,114 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 354 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:11:56,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:56,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 193 states and 319 transitions. [2018-12-09 09:11:56,752 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 319 transitions. [2018-12-09 09:11:56,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-09 09:11:56,753 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:56,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:57,319 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 354 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:11:57,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:57,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 192 states and 316 transitions. [2018-12-09 09:11:57,661 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 316 transitions. [2018-12-09 09:11:57,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-09 09:11:57,661 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:57,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:57,779 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:11:59,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:11:59,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 197 states and 332 transitions. [2018-12-09 09:11:59,303 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 332 transitions. [2018-12-09 09:11:59,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-09 09:11:59,303 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:11:59,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:11:59,315 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:12:00,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:12:00,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 199 states and 333 transitions. [2018-12-09 09:12:00,220 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 333 transitions. [2018-12-09 09:12:00,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-09 09:12:00,221 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:12:00,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:12:00,242 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:12:00,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:12:00,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 201 states and 334 transitions. [2018-12-09 09:12:00,676 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 334 transitions. [2018-12-09 09:12:00,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-09 09:12:00,676 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:12:00,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:12:00,684 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:12:01,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:12:01,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 203 states and 335 transitions. [2018-12-09 09:12:01,007 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 335 transitions. [2018-12-09 09:12:01,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-12-09 09:12:01,007 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:12:01,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:12:02,025 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 416 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:12:04,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:12:04,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 204 states and 337 transitions. [2018-12-09 09:12:04,682 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 337 transitions. [2018-12-09 09:12:04,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-12-09 09:12:04,683 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:12:04,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:12:07,406 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 416 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:12:08,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:12:08,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 203 states and 334 transitions. [2018-12-09 09:12:08,177 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 334 transitions. [2018-12-09 09:12:08,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-09 09:12:08,177 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:12:08,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:12:08,301 INFO L134 CoverageAnalysis]: Checked inductivity of 511 backedges. 0 proven. 511 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:12:09,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:12:09,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 208 states and 349 transitions. [2018-12-09 09:12:09,533 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 349 transitions. [2018-12-09 09:12:09,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-09 09:12:09,533 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:12:09,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:12:09,542 INFO L134 CoverageAnalysis]: Checked inductivity of 511 backedges. 0 proven. 511 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:12:10,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:12:10,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 210 states and 351 transitions. [2018-12-09 09:12:10,183 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 351 transitions. [2018-12-09 09:12:10,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-09 09:12:10,183 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:12:10,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:12:10,192 INFO L134 CoverageAnalysis]: Checked inductivity of 511 backedges. 0 proven. 511 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:12:10,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:12:10,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 212 states and 352 transitions. [2018-12-09 09:12:10,529 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 352 transitions. [2018-12-09 09:12:10,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-09 09:12:10,529 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:12:10,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:12:10,540 INFO L134 CoverageAnalysis]: Checked inductivity of 511 backedges. 0 proven. 511 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:12:10,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:12:10,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 214 states and 353 transitions. [2018-12-09 09:12:10,899 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 353 transitions. [2018-12-09 09:12:10,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-09 09:12:10,899 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:12:10,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:12:11,942 INFO L134 CoverageAnalysis]: Checked inductivity of 555 backedges. 483 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:12:12,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:12:12,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 215 states and 355 transitions. [2018-12-09 09:12:12,608 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 355 transitions. [2018-12-09 09:12:12,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-09 09:12:12,608 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:12:12,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:12:13,404 INFO L134 CoverageAnalysis]: Checked inductivity of 555 backedges. 483 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:12:13,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:12:13,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 214 states and 352 transitions. [2018-12-09 09:12:13,780 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 352 transitions. [2018-12-09 09:12:13,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-09 09:12:13,781 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:12:13,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:12:13,925 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 0 proven. 585 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:12:16,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:12:16,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 219 states and 368 transitions. [2018-12-09 09:12:16,030 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 368 transitions. [2018-12-09 09:12:16,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-09 09:12:16,031 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:12:16,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:12:16,061 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 0 proven. 585 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:12:16,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:12:16,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 221 states and 369 transitions. [2018-12-09 09:12:16,419 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 369 transitions. [2018-12-09 09:12:16,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-09 09:12:16,419 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:12:16,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:12:16,429 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 0 proven. 585 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:12:16,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:12:16,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 223 states and 370 transitions. [2018-12-09 09:12:16,781 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 370 transitions. [2018-12-09 09:12:16,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-09 09:12:16,781 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:12:16,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:12:16,798 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 0 proven. 585 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:12:17,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:12:17,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 225 states and 371 transitions. [2018-12-09 09:12:17,175 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 371 transitions. [2018-12-09 09:12:17,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-09 09:12:17,176 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:12:17,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:12:18,289 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 555 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:12:18,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:12:18,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 226 states and 373 transitions. [2018-12-09 09:12:18,951 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 373 transitions. [2018-12-09 09:12:18,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-09 09:12:18,952 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:12:18,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:12:19,988 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 555 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:12:20,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:12:20,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 225 states and 370 transitions. [2018-12-09 09:12:20,943 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 370 transitions. [2018-12-09 09:12:20,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-12-09 09:12:20,943 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:12:20,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:12:21,069 INFO L134 CoverageAnalysis]: Checked inductivity of 664 backedges. 0 proven. 664 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:12:22,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:12:22,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 230 states and 385 transitions. [2018-12-09 09:12:22,325 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 385 transitions. [2018-12-09 09:12:22,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-12-09 09:12:22,325 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:12:22,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:12:22,336 INFO L134 CoverageAnalysis]: Checked inductivity of 664 backedges. 0 proven. 664 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:12:23,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:12:23,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 232 states and 387 transitions. [2018-12-09 09:12:23,543 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 387 transitions. [2018-12-09 09:12:23,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-12-09 09:12:23,544 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:12:23,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:12:23,557 INFO L134 CoverageAnalysis]: Checked inductivity of 664 backedges. 0 proven. 664 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:12:25,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:12:25,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 234 states and 388 transitions. [2018-12-09 09:12:25,077 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 388 transitions. [2018-12-09 09:12:25,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-12-09 09:12:25,077 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:12:25,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:12:25,104 INFO L134 CoverageAnalysis]: Checked inductivity of 664 backedges. 0 proven. 664 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:12:25,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:12:25,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 236 states and 389 transitions. [2018-12-09 09:12:25,489 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 389 transitions. [2018-12-09 09:12:25,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-09 09:12:25,489 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:12:25,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:12:29,001 INFO L134 CoverageAnalysis]: Checked inductivity of 714 backedges. 632 proven. 82 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:12:29,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:12:29,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 237 states and 391 transitions. [2018-12-09 09:12:29,734 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 391 transitions. [2018-12-09 09:12:29,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-09 09:12:29,735 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:12:29,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:12:30,692 INFO L134 CoverageAnalysis]: Checked inductivity of 714 backedges. 632 proven. 82 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:12:31,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:12:31,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 236 states and 388 transitions. [2018-12-09 09:12:31,174 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 388 transitions. [2018-12-09 09:12:31,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-09 09:12:31,174 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:12:31,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:12:32,265 INFO L134 CoverageAnalysis]: Checked inductivity of 748 backedges. 244 proven. 21 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2018-12-09 09:12:38,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:12:38,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 246 states and 412 transitions. [2018-12-09 09:12:38,008 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 412 transitions. [2018-12-09 09:12:38,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-09 09:12:38,009 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:12:38,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:12:38,039 INFO L134 CoverageAnalysis]: Checked inductivity of 748 backedges. 244 proven. 21 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2018-12-09 09:12:38,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:12:38,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 250 states and 415 transitions. [2018-12-09 09:12:38,949 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 415 transitions. [2018-12-09 09:12:38,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-09 09:12:38,949 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:12:38,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:12:38,957 INFO L134 CoverageAnalysis]: Checked inductivity of 748 backedges. 244 proven. 21 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2018-12-09 09:12:39,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:12:39,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 252 states and 418 transitions. [2018-12-09 09:12:39,718 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 418 transitions. [2018-12-09 09:12:39,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-09 09:12:39,719 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:12:39,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:12:39,731 INFO L134 CoverageAnalysis]: Checked inductivity of 748 backedges. 244 proven. 21 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2018-12-09 09:12:40,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:12:40,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 254 states and 420 transitions. [2018-12-09 09:12:40,120 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 420 transitions. [2018-12-09 09:12:40,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-09 09:12:40,120 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:12:40,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:12:40,131 INFO L134 CoverageAnalysis]: Checked inductivity of 748 backedges. 244 proven. 21 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2018-12-09 09:12:40,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:12:40,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 256 states and 421 transitions. [2018-12-09 09:12:40,712 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 421 transitions. [2018-12-09 09:12:40,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-09 09:12:40,713 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:12:40,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:12:42,522 INFO L134 CoverageAnalysis]: Checked inductivity of 801 backedges. 714 proven. 87 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:12:43,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:12:43,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 257 states and 423 transitions. [2018-12-09 09:12:43,376 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 423 transitions. [2018-12-09 09:12:43,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-09 09:12:43,377 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:12:43,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:12:45,511 INFO L134 CoverageAnalysis]: Checked inductivity of 801 backedges. 714 proven. 87 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:12:47,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:12:47,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 256 states and 420 transitions. [2018-12-09 09:12:47,202 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 420 transitions. [2018-12-09 09:12:47,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-09 09:12:47,203 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:12:47,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:12:47,225 INFO L134 CoverageAnalysis]: Checked inductivity of 837 backedges. 261 proven. 21 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2018-12-09 09:12:47,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:12:47,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 257 states and 421 transitions. [2018-12-09 09:12:47,764 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 421 transitions. [2018-12-09 09:12:47,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-09 09:12:47,764 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:12:47,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:12:47,774 INFO L134 CoverageAnalysis]: Checked inductivity of 837 backedges. 261 proven. 21 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2018-12-09 09:12:49,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:12:49,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 187 states and 252 transitions. [2018-12-09 09:12:49,473 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 252 transitions. [2018-12-09 09:12:49,474 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 09:12:49,474 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 119 iterations. [2018-12-09 09:12:49,492 INFO L779 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2018-12-09 09:12:49,987 WARN L180 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2018-12-09 09:12:50,381 WARN L180 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2018-12-09 09:12:50,493 INFO L583 CodeCheckObserver]: Invariant with dag size 101 [2018-12-09 09:12:50,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 09:12:50 ImpRootNode [2018-12-09 09:12:50,504 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 09:12:50,505 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 09:12:50,505 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 09:12:50,505 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 09:12:50,505 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:11:12" (3/4) ... [2018-12-09 09:12:50,508 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 09:12:50,513 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-09 09:12:50,513 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 09:12:50,513 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 09:12:50,536 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6026c816-299a-4c66-8a60-52441d6d20b6/bin-2019/ukojak/witness.graphml [2018-12-09 09:12:50,536 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 09:12:50,536 INFO L168 Benchmark]: Toolchain (without parser) took 98624.31 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 482.3 MB). Free memory was 957.1 MB in the beginning and 762.8 MB in the end (delta: 194.3 MB). Peak memory consumption was 676.7 MB. Max. memory is 11.5 GB. [2018-12-09 09:12:50,537 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 09:12:50,537 INFO L168 Benchmark]: CACSL2BoogieTranslator took 123.73 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 946.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 09:12:50,537 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.64 ms. Allocated memory is still 1.0 GB. Free memory is still 946.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 09:12:50,538 INFO L168 Benchmark]: Boogie Preprocessor took 10.05 ms. Allocated memory is still 1.0 GB. Free memory is still 946.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 09:12:50,538 INFO L168 Benchmark]: RCFGBuilder took 155.22 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 66.1 MB). Free memory was 946.3 MB in the beginning and 1.0 GB in the end (delta: -97.8 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. [2018-12-09 09:12:50,538 INFO L168 Benchmark]: CodeCheck took 98284.78 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 416.3 MB). Free memory was 1.0 GB in the beginning and 762.8 MB in the end (delta: 281.4 MB). Peak memory consumption was 697.7 MB. Max. memory is 11.5 GB. [2018-12-09 09:12:50,538 INFO L168 Benchmark]: Witness Printer took 31.05 ms. Allocated memory is still 1.5 GB. Free memory is still 762.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 09:12:50,540 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, 14 locations, 4 error locations. SAFE Result, 97.2s OverallTime, 119 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, 1431661272 SDslu, 0 SDs, 0 SdLazy, -884139628 SolverSat, 1772535852 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 86.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 57908 GetRequests, 51988 SyntacticMatches, 4958 SemanticMatches, 962 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 830200 ImplicationChecksByTransitivity, 93.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 26.9s InterpolantComputationTime, 5616 NumberOfCodeBlocks, 5616 NumberOfCodeBlocksAsserted, 118 NumberOfCheckSat, 5498 ConstructedInterpolants, 0 QuantifiedInterpolants, 970668 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 118 InterpolantComputations, 9 PerfectInterpolantSequences, 13721/31399 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: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: ((((((((((((((((((30 < y && y <= 31) && x <= y + 2147483624) || ((y <= 32 && 31 < y) && x <= y + 2147483624)) || ((32 < y && y <= 33) && x <= y + 2147483624)) || ((26 < y && y <= 27) && x <= 2 * y + 2147483593)) || ((x + y <= 2147483648 && y <= 39) && 38 < y)) || ((y <= 35 && 34 < y) && x <= y + 2147483624)) || ((28 < y && y <= 29) && x <= y + 2147483624)) || ((y <= 34 && 33 < y) && x <= y + 2147483624)) || ((35 < y && y <= 36) && x <= y + 2147483624)) || ((25 < y && y <= 26) && x <= y + 2147483624)) || ((37 < y && x <= y + 2147483609) && y <= 38)) || ((29 < y && y <= 30) && x <= y + 2147483624)) || ((x <= 2 * y + 2147483591 && 27 < y) && y <= 28)) || ((23 <= y && y <= 23) && x <= y + 2147483624)) || ((36 < y && y <= 37) && x <= y + 2147483624)) || ((23 < y && y <= 24) && x <= 2 * y + 2147483599)) || ((x <= 2 * y + 2147483597 && y <= 25) && 24 < y)) || ((39 < y && x + 2 * y <= 2147483650) && y <= 2147483647) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 123.73 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 946.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 16.64 ms. Allocated memory is still 1.0 GB. Free memory is still 946.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.05 ms. Allocated memory is still 1.0 GB. Free memory is still 946.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 155.22 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 66.1 MB). Free memory was 946.3 MB in the beginning and 1.0 GB in the end (delta: -97.8 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. * CodeCheck took 98284.78 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 416.3 MB). Free memory was 1.0 GB in the beginning and 762.8 MB in the end (delta: 281.4 MB). Peak memory consumption was 697.7 MB. Max. memory is 11.5 GB. * Witness Printer took 31.05 ms. Allocated memory is still 1.5 GB. Free memory is still 762.8 MB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...