./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label11_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b4402e06-9fff-4823-8b6d-2112b22e5c76/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b4402e06-9fff-4823-8b6d-2112b22e5c76/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b4402e06-9fff-4823-8b6d-2112b22e5c76/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b4402e06-9fff-4823-8b6d-2112b22e5c76/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label11_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b4402e06-9fff-4823-8b6d-2112b22e5c76/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b4402e06-9fff-4823-8b6d-2112b22e5c76/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8bc5807873c5a4343353326fda69b22e512eabea .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 17:20:48,036 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 17:20:48,037 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 17:20:48,043 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 17:20:48,043 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 17:20:48,043 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 17:20:48,044 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 17:20:48,045 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 17:20:48,046 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 17:20:48,046 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 17:20:48,047 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 17:20:48,047 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 17:20:48,047 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 17:20:48,048 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 17:20:48,049 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 17:20:48,049 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 17:20:48,049 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 17:20:48,050 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 17:20:48,051 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 17:20:48,052 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 17:20:48,053 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 17:20:48,054 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 17:20:48,055 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 17:20:48,055 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 17:20:48,055 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 17:20:48,056 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 17:20:48,056 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 17:20:48,057 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 17:20:48,057 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 17:20:48,058 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 17:20:48,058 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 17:20:48,058 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 17:20:48,058 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 17:20:48,059 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 17:20:48,059 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 17:20:48,060 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 17:20:48,060 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b4402e06-9fff-4823-8b6d-2112b22e5c76/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-01 17:20:48,067 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 17:20:48,067 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 17:20:48,068 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 17:20:48,068 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-01 17:20:48,068 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 17:20:48,069 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 17:20:48,069 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 17:20:48,069 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 17:20:48,069 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 17:20:48,069 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 17:20:48,069 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 17:20:48,069 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 17:20:48,070 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 17:20:48,070 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 17:20:48,070 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 17:20:48,070 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 17:20:48,070 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 17:20:48,070 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 17:20:48,070 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 17:20:48,070 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 17:20:48,071 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 17:20:48,071 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 17:20:48,071 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 17:20:48,071 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 17:20:48,071 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 17:20:48,071 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 17:20:48,071 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-01 17:20:48,072 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 17:20:48,072 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 17:20:48,072 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_b4402e06-9fff-4823-8b6d-2112b22e5c76/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8bc5807873c5a4343353326fda69b22e512eabea [2018-12-01 17:20:48,090 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 17:20:48,097 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 17:20:48,099 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 17:20:48,100 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 17:20:48,100 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 17:20:48,100 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b4402e06-9fff-4823-8b6d-2112b22e5c76/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label11_true-unreach-call_false-termination.c [2018-12-01 17:20:48,141 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b4402e06-9fff-4823-8b6d-2112b22e5c76/bin-2019/ukojak/data/f7992ce08/3873bc24944e4f01899338330f848d22/FLAG433376cd4 [2018-12-01 17:20:48,571 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 17:20:48,571 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b4402e06-9fff-4823-8b6d-2112b22e5c76/sv-benchmarks/c/eca-rers2012/Problem02_label11_true-unreach-call_false-termination.c [2018-12-01 17:20:48,578 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b4402e06-9fff-4823-8b6d-2112b22e5c76/bin-2019/ukojak/data/f7992ce08/3873bc24944e4f01899338330f848d22/FLAG433376cd4 [2018-12-01 17:20:48,586 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b4402e06-9fff-4823-8b6d-2112b22e5c76/bin-2019/ukojak/data/f7992ce08/3873bc24944e4f01899338330f848d22 [2018-12-01 17:20:48,588 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 17:20:48,588 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 17:20:48,589 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 17:20:48,589 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 17:20:48,591 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 17:20:48,592 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:20:48" (1/1) ... [2018-12-01 17:20:48,593 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2caf47c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:20:48, skipping insertion in model container [2018-12-01 17:20:48,593 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:20:48" (1/1) ... [2018-12-01 17:20:48,599 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 17:20:48,627 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 17:20:48,803 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 17:20:48,806 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 17:20:48,851 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 17:20:48,903 INFO L195 MainTranslator]: Completed translation [2018-12-01 17:20:48,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:20:48 WrapperNode [2018-12-01 17:20:48,903 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 17:20:48,904 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 17:20:48,904 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 17:20:48,904 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 17:20:48,911 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:20:48" (1/1) ... [2018-12-01 17:20:48,923 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:20:48" (1/1) ... [2018-12-01 17:20:48,955 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 17:20:48,956 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 17:20:48,956 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 17:20:48,956 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 17:20:48,963 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:20:48" (1/1) ... [2018-12-01 17:20:48,963 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:20:48" (1/1) ... [2018-12-01 17:20:48,966 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:20:48" (1/1) ... [2018-12-01 17:20:48,966 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:20:48" (1/1) ... [2018-12-01 17:20:48,979 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:20:48" (1/1) ... [2018-12-01 17:20:48,988 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:20:48" (1/1) ... [2018-12-01 17:20:48,991 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:20:48" (1/1) ... [2018-12-01 17:20:48,996 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 17:20:48,997 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 17:20:48,997 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 17:20:48,997 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 17:20:48,998 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:20:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b4402e06-9fff-4823-8b6d-2112b22e5c76/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 [2018-12-01 17:20:49,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 17:20:49,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 17:20:50,064 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 17:20:50,064 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-01 17:20:50,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:20:50 BoogieIcfgContainer [2018-12-01 17:20:50,065 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 17:20:50,065 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 17:20:50,065 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 17:20:50,074 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 17:20:50,074 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:20:50" (1/1) ... [2018-12-01 17:20:50,084 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:20:50,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:20:50,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2018-12-01 17:20:50,113 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2018-12-01 17:20:50,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-01 17:20:50,116 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:20:50,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:20:50,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:20:50,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:20:50,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 163 states and 276 transitions. [2018-12-01 17:20:50,603 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 276 transitions. [2018-12-01 17:20:50,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-01 17:20:50,604 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:20:50,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:20:50,681 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 17:20:51,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:20:51,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 245 states and 364 transitions. [2018-12-01 17:20:51,146 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 364 transitions. [2018-12-01 17:20:51,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-12-01 17:20:51,147 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:20:51,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:20:51,194 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:20:51,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:20:51,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 250 states and 376 transitions. [2018-12-01 17:20:51,300 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 376 transitions. [2018-12-01 17:20:51,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-01 17:20:51,304 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:20:51,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:20:51,319 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 17:20:51,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:20:51,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 252 states and 378 transitions. [2018-12-01 17:20:51,370 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 378 transitions. [2018-12-01 17:20:51,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-12-01 17:20:51,371 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:20:51,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:20:51,384 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:20:51,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:20:51,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 257 states and 383 transitions. [2018-12-01 17:20:51,407 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 383 transitions. [2018-12-01 17:20:51,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-01 17:20:51,408 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:20:51,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:20:51,449 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 17:20:51,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:20:51,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 262 states and 389 transitions. [2018-12-01 17:20:51,533 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 389 transitions. [2018-12-01 17:20:51,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-01 17:20:51,534 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:20:51,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:20:51,629 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:20:52,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:20:52,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 280 states and 415 transitions. [2018-12-01 17:20:52,012 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 415 transitions. [2018-12-01 17:20:52,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-01 17:20:52,013 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:20:52,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:20:52,053 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:20:52,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:20:52,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 301 states and 446 transitions. [2018-12-01 17:20:52,341 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 446 transitions. [2018-12-01 17:20:52,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-01 17:20:52,342 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:20:52,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:20:52,366 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:20:52,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:20:52,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 305 states and 451 transitions. [2018-12-01 17:20:52,527 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 451 transitions. [2018-12-01 17:20:52,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-01 17:20:52,528 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:20:52,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:20:52,546 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 17:20:52,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:20:52,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 316 states and 468 transitions. [2018-12-01 17:20:52,902 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 468 transitions. [2018-12-01 17:20:52,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-01 17:20:52,902 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:20:52,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:20:52,918 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 17:20:53,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:20:53,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 319 states and 472 transitions. [2018-12-01 17:20:53,003 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 472 transitions. [2018-12-01 17:20:53,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-01 17:20:53,004 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:20:53,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:20:53,034 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 17:20:53,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:20:53,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 337 states and 492 transitions. [2018-12-01 17:20:53,347 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 492 transitions. [2018-12-01 17:20:53,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-01 17:20:53,348 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:20:53,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:20:53,363 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:20:53,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:20:53,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 341 states and 496 transitions. [2018-12-01 17:20:53,380 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 496 transitions. [2018-12-01 17:20:53,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-01 17:20:53,381 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:20:53,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:20:53,401 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 17:20:53,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:20:53,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 342 states and 498 transitions. [2018-12-01 17:20:53,517 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 498 transitions. [2018-12-01 17:20:53,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-01 17:20:53,518 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:20:53,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:20:53,540 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 17:20:53,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:20:53,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 345 states and 501 transitions. [2018-12-01 17:20:53,654 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 501 transitions. [2018-12-01 17:20:53,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-01 17:20:53,654 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:20:53,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:20:53,681 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 17:20:53,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:20:53,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 346 states and 505 transitions. [2018-12-01 17:20:53,713 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 505 transitions. [2018-12-01 17:20:53,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-01 17:20:53,714 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:20:53,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:20:53,736 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 17:20:53,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:20:53,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 362 states and 523 transitions. [2018-12-01 17:20:53,889 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 523 transitions. [2018-12-01 17:20:53,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-01 17:20:53,889 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:20:53,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:20:53,903 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 17:20:53,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:20:53,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 364 states and 524 transitions. [2018-12-01 17:20:53,998 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 524 transitions. [2018-12-01 17:20:53,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-01 17:20:53,998 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:20:54,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:20:54,062 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:20:54,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:20:54,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 394 states and 564 transitions. [2018-12-01 17:20:54,632 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 564 transitions. [2018-12-01 17:20:54,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-01 17:20:54,632 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:20:54,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:20:54,709 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 17:20:54,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:20:54,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 400 states and 575 transitions. [2018-12-01 17:20:54,933 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 575 transitions. [2018-12-01 17:20:54,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-01 17:20:54,934 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:20:54,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:20:55,012 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:20:55,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:20:55,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 430 states and 616 transitions. [2018-12-01 17:20:55,749 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 616 transitions. [2018-12-01 17:20:55,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-01 17:20:55,750 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:20:55,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:20:55,809 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:20:56,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:20:56,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 440 states and 628 transitions. [2018-12-01 17:20:56,180 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 628 transitions. [2018-12-01 17:20:56,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-01 17:20:56,180 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:20:56,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:20:56,240 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:20:56,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:20:56,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 443 states and 631 transitions. [2018-12-01 17:20:56,387 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 631 transitions. [2018-12-01 17:20:56,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-12-01 17:20:56,388 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:20:56,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:20:56,445 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 17:20:56,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:20:56,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 448 states and 635 transitions. [2018-12-01 17:20:56,562 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 635 transitions. [2018-12-01 17:20:56,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-12-01 17:20:56,563 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:20:56,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:20:56,604 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:20:57,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:20:57,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 482 states and 673 transitions. [2018-12-01 17:20:57,346 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 673 transitions. [2018-12-01 17:20:57,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-12-01 17:20:57,346 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:20:57,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:20:57,380 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 17:20:58,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:20:58,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 508 states and 701 transitions. [2018-12-01 17:20:58,048 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 701 transitions. [2018-12-01 17:20:58,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-12-01 17:20:58,048 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:20:58,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:20:58,062 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:20:58,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:20:58,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 527 states and 723 transitions. [2018-12-01 17:20:58,428 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 723 transitions. [2018-12-01 17:20:58,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-01 17:20:58,429 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:20:58,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:20:58,444 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 17:20:58,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:20:58,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 542 states and 739 transitions. [2018-12-01 17:20:58,688 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 739 transitions. [2018-12-01 17:20:58,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-12-01 17:20:58,688 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:20:58,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:20:58,704 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 17:20:58,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:20:58,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 546 states and 742 transitions. [2018-12-01 17:20:58,784 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 742 transitions. [2018-12-01 17:20:58,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-12-01 17:20:58,785 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:20:58,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:20:58,800 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 17:20:58,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:20:58,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 550 states and 750 transitions. [2018-12-01 17:20:58,820 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 750 transitions. [2018-12-01 17:20:58,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-01 17:20:58,821 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:20:58,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:20:58,842 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 17:20:58,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:20:58,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 573 states and 773 transitions. [2018-12-01 17:20:58,918 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 773 transitions. [2018-12-01 17:20:58,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-01 17:20:58,919 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:20:58,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:20:59,061 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 17:20:59,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:20:59,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 597 states and 805 transitions. [2018-12-01 17:20:59,385 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 805 transitions. [2018-12-01 17:20:59,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-01 17:20:59,385 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:20:59,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:20:59,412 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 17:20:59,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:20:59,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 602 states and 809 transitions. [2018-12-01 17:20:59,538 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 809 transitions. [2018-12-01 17:20:59,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-01 17:20:59,539 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:20:59,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:20:59,554 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:20:59,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:20:59,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 606 states and 814 transitions. [2018-12-01 17:20:59,706 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 814 transitions. [2018-12-01 17:20:59,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-01 17:20:59,707 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:20:59,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:20:59,999 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 75 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-01 17:21:01,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:21:01,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 864 states to 646 states and 864 transitions. [2018-12-01 17:21:01,326 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 864 transitions. [2018-12-01 17:21:01,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-01 17:21:01,327 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:21:01,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:21:01,355 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 75 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-01 17:21:01,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:21:01,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 865 states to 648 states and 865 transitions. [2018-12-01 17:21:01,511 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 865 transitions. [2018-12-01 17:21:01,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-01 17:21:01,512 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:21:01,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:21:01,557 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 17:21:01,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:21:01,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 660 states and 878 transitions. [2018-12-01 17:21:01,911 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 878 transitions. [2018-12-01 17:21:01,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-01 17:21:01,911 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:21:01,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:21:01,967 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 17:21:02,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:21:02,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 664 states and 881 transitions. [2018-12-01 17:21:02,061 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 881 transitions. [2018-12-01 17:21:02,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-01 17:21:02,061 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:21:02,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:21:02,112 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 17:21:02,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:21:02,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 669 states and 885 transitions. [2018-12-01 17:21:02,255 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 885 transitions. [2018-12-01 17:21:02,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-01 17:21:02,255 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:21:02,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:21:02,278 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-01 17:21:02,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:21:02,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 674 states and 890 transitions. [2018-12-01 17:21:02,401 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 890 transitions. [2018-12-01 17:21:02,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-01 17:21:02,402 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:21:02,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:21:02,437 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:21:02,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:21:02,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 911 states to 695 states and 911 transitions. [2018-12-01 17:21:02,510 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 911 transitions. [2018-12-01 17:21:02,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-01 17:21:02,511 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:21:02,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:21:02,529 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-01 17:21:02,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:21:02,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 696 states and 912 transitions. [2018-12-01 17:21:02,540 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 912 transitions. [2018-12-01 17:21:02,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-01 17:21:02,540 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:21:02,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:21:03,039 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:21:05,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:21:05,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 755 states and 977 transitions. [2018-12-01 17:21:05,120 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 977 transitions. [2018-12-01 17:21:05,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-01 17:21:05,121 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:21:05,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:21:05,154 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-01 17:21:05,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:21:05,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 997 states to 774 states and 997 transitions. [2018-12-01 17:21:05,525 INFO L276 IsEmpty]: Start isEmpty. Operand 774 states and 997 transitions. [2018-12-01 17:21:05,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-01 17:21:05,525 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:21:05,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:21:05,668 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:21:07,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:21:07,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 809 states and 1039 transitions. [2018-12-01 17:21:07,294 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 1039 transitions. [2018-12-01 17:21:07,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-01 17:21:07,295 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:21:07,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:21:07,332 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-01 17:21:07,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:21:07,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1041 states to 810 states and 1041 transitions. [2018-12-01 17:21:07,369 INFO L276 IsEmpty]: Start isEmpty. Operand 810 states and 1041 transitions. [2018-12-01 17:21:07,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-01 17:21:07,369 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:21:07,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:21:07,390 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 17:21:07,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:21:07,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1063 states to 829 states and 1063 transitions. [2018-12-01 17:21:07,799 INFO L276 IsEmpty]: Start isEmpty. Operand 829 states and 1063 transitions. [2018-12-01 17:21:07,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-01 17:21:07,799 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:21:07,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:21:07,819 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 17:21:08,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:21:08,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1076 states to 841 states and 1076 transitions. [2018-12-01 17:21:08,064 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 1076 transitions. [2018-12-01 17:21:08,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-01 17:21:08,065 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:21:08,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:21:08,084 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 17:21:08,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:21:08,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1081 states to 846 states and 1081 transitions. [2018-12-01 17:21:08,428 INFO L276 IsEmpty]: Start isEmpty. Operand 846 states and 1081 transitions. [2018-12-01 17:21:08,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-01 17:21:08,428 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:21:08,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:21:08,456 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 17:21:08,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:21:08,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 850 states and 1084 transitions. [2018-12-01 17:21:08,634 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 1084 transitions. [2018-12-01 17:21:08,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-01 17:21:08,635 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:21:08,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:21:08,656 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 17:21:08,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:21:08,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1087 states to 854 states and 1087 transitions. [2018-12-01 17:21:08,877 INFO L276 IsEmpty]: Start isEmpty. Operand 854 states and 1087 transitions. [2018-12-01 17:21:08,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-01 17:21:08,878 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:21:08,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:21:09,229 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:21:12,150 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 29 [2018-12-01 17:21:15,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:21:15,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1163 states to 915 states and 1163 transitions. [2018-12-01 17:21:15,571 INFO L276 IsEmpty]: Start isEmpty. Operand 915 states and 1163 transitions. [2018-12-01 17:21:15,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-01 17:21:15,571 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:21:15,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:21:15,609 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:21:16,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:21:16,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1174 states to 925 states and 1174 transitions. [2018-12-01 17:21:16,166 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 1174 transitions. [2018-12-01 17:21:16,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-01 17:21:16,166 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:21:16,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:21:16,213 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:21:16,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:21:16,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1177 states to 928 states and 1177 transitions. [2018-12-01 17:21:16,446 INFO L276 IsEmpty]: Start isEmpty. Operand 928 states and 1177 transitions. [2018-12-01 17:21:16,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-12-01 17:21:16,446 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:21:16,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:21:16,479 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-01 17:21:16,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:21:16,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1191 states to 942 states and 1191 transitions. [2018-12-01 17:21:16,639 INFO L276 IsEmpty]: Start isEmpty. Operand 942 states and 1191 transitions. [2018-12-01 17:21:16,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-01 17:21:16,640 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:21:16,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:21:16,944 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 78 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:21:19,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:21:19,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 1002 states and 1256 transitions. [2018-12-01 17:21:19,541 INFO L276 IsEmpty]: Start isEmpty. Operand 1002 states and 1256 transitions. [2018-12-01 17:21:19,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-01 17:21:19,542 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:21:19,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:21:19,597 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 78 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:21:19,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:21:19,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1257 states to 1004 states and 1257 transitions. [2018-12-01 17:21:19,894 INFO L276 IsEmpty]: Start isEmpty. Operand 1004 states and 1257 transitions. [2018-12-01 17:21:19,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-12-01 17:21:19,895 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:21:19,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:21:20,057 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:21:20,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:21:20,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1268 states to 1014 states and 1268 transitions. [2018-12-01 17:21:20,757 INFO L276 IsEmpty]: Start isEmpty. Operand 1014 states and 1268 transitions. [2018-12-01 17:21:20,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-12-01 17:21:20,759 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:21:20,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:21:20,910 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:21:24,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:21:24,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1301 states to 1046 states and 1301 transitions. [2018-12-01 17:21:24,082 INFO L276 IsEmpty]: Start isEmpty. Operand 1046 states and 1301 transitions. [2018-12-01 17:21:24,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-12-01 17:21:24,083 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:21:24,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:21:24,129 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:21:28,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:21:28,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1331 states to 1070 states and 1331 transitions. [2018-12-01 17:21:28,953 INFO L276 IsEmpty]: Start isEmpty. Operand 1070 states and 1331 transitions. [2018-12-01 17:21:28,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-01 17:21:28,954 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:21:28,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:21:29,178 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:21:30,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:21:30,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1386 states to 1122 states and 1386 transitions. [2018-12-01 17:21:30,518 INFO L276 IsEmpty]: Start isEmpty. Operand 1122 states and 1386 transitions. [2018-12-01 17:21:30,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-12-01 17:21:30,518 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:21:30,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:21:30,558 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:21:31,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:21:31,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1408 states to 1137 states and 1408 transitions. [2018-12-01 17:21:31,257 INFO L276 IsEmpty]: Start isEmpty. Operand 1137 states and 1408 transitions. [2018-12-01 17:21:31,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-12-01 17:21:31,257 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:21:31,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:21:31,297 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:21:31,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:21:31,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1415 states to 1144 states and 1415 transitions. [2018-12-01 17:21:31,721 INFO L276 IsEmpty]: Start isEmpty. Operand 1144 states and 1415 transitions. [2018-12-01 17:21:31,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-12-01 17:21:31,722 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:21:31,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:21:31,757 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:21:31,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:21:31,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1418 states to 1147 states and 1418 transitions. [2018-12-01 17:21:31,985 INFO L276 IsEmpty]: Start isEmpty. Operand 1147 states and 1418 transitions. [2018-12-01 17:21:32,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-12-01 17:21:32,002 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:21:32,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:21:32,023 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 17:21:32,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:21:32,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1437 states to 1166 states and 1437 transitions. [2018-12-01 17:21:32,171 INFO L276 IsEmpty]: Start isEmpty. Operand 1166 states and 1437 transitions. [2018-12-01 17:21:32,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-01 17:21:32,172 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:21:32,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:21:32,208 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-12-01 17:21:32,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:21:32,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1443 states to 1171 states and 1443 transitions. [2018-12-01 17:21:32,396 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 1443 transitions. [2018-12-01 17:21:32,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-12-01 17:21:32,397 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:21:32,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:21:32,549 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-01 17:21:32,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:21:32,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1460 states to 1187 states and 1460 transitions. [2018-12-01 17:21:32,862 INFO L276 IsEmpty]: Start isEmpty. Operand 1187 states and 1460 transitions. [2018-12-01 17:21:32,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-01 17:21:32,863 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:21:32,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:21:32,893 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 84 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 17:21:39,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:21:39,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1541 states to 1260 states and 1541 transitions. [2018-12-01 17:21:39,633 INFO L276 IsEmpty]: Start isEmpty. Operand 1260 states and 1541 transitions. [2018-12-01 17:21:39,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-01 17:21:39,633 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:21:39,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:21:39,663 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 84 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 17:21:39,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:21:39,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 1264 states and 1545 transitions. [2018-12-01 17:21:39,943 INFO L276 IsEmpty]: Start isEmpty. Operand 1264 states and 1545 transitions. [2018-12-01 17:21:39,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-12-01 17:21:39,943 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:21:39,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:21:39,981 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 17:21:43,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:21:43,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1575 states to 1294 states and 1575 transitions. [2018-12-01 17:21:43,437 INFO L276 IsEmpty]: Start isEmpty. Operand 1294 states and 1575 transitions. [2018-12-01 17:21:43,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-12-01 17:21:43,438 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:21:43,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:21:44,272 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 17:21:49,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:21:49,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1644 states to 1363 states and 1644 transitions. [2018-12-01 17:21:49,530 INFO L276 IsEmpty]: Start isEmpty. Operand 1363 states and 1644 transitions. [2018-12-01 17:21:49,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-12-01 17:21:49,531 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:21:49,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:21:49,602 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 17:21:49,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:21:49,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1645 states to 1365 states and 1645 transitions. [2018-12-01 17:21:49,850 INFO L276 IsEmpty]: Start isEmpty. Operand 1365 states and 1645 transitions. [2018-12-01 17:21:49,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-12-01 17:21:49,851 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:21:49,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:21:49,878 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 17:21:50,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:21:50,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1657 states to 1375 states and 1657 transitions. [2018-12-01 17:21:50,589 INFO L276 IsEmpty]: Start isEmpty. Operand 1375 states and 1657 transitions. [2018-12-01 17:21:50,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-12-01 17:21:50,590 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:21:50,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:21:50,629 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 17:21:50,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:21:50,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1691 states to 1403 states and 1691 transitions. [2018-12-01 17:21:50,937 INFO L276 IsEmpty]: Start isEmpty. Operand 1403 states and 1691 transitions. [2018-12-01 17:21:50,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-12-01 17:21:50,938 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:21:50,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:21:50,977 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 17:21:51,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:21:51,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1703 states to 1415 states and 1703 transitions. [2018-12-01 17:21:51,483 INFO L276 IsEmpty]: Start isEmpty. Operand 1415 states and 1703 transitions. [2018-12-01 17:21:51,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-12-01 17:21:51,484 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:21:51,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:21:51,535 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 17:21:51,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:21:51,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1706 states to 1419 states and 1706 transitions. [2018-12-01 17:21:51,788 INFO L276 IsEmpty]: Start isEmpty. Operand 1419 states and 1706 transitions. [2018-12-01 17:21:51,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-12-01 17:21:51,789 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:21:51,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:21:51,825 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-01 17:21:52,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:21:52,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1709 states to 1421 states and 1709 transitions. [2018-12-01 17:21:52,105 INFO L276 IsEmpty]: Start isEmpty. Operand 1421 states and 1709 transitions. [2018-12-01 17:21:52,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-01 17:21:52,106 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:21:52,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:21:52,161 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 17:21:52,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:21:52,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1713 states to 1423 states and 1713 transitions. [2018-12-01 17:21:52,301 INFO L276 IsEmpty]: Start isEmpty. Operand 1423 states and 1713 transitions. [2018-12-01 17:21:52,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-01 17:21:52,302 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:21:52,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:21:52,344 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-01 17:21:55,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:21:55,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1731 states to 1435 states and 1731 transitions. [2018-12-01 17:21:55,444 INFO L276 IsEmpty]: Start isEmpty. Operand 1435 states and 1731 transitions. [2018-12-01 17:21:55,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-12-01 17:21:55,446 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:21:55,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:21:55,943 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 152 proven. 9 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-01 17:21:56,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:21:56,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1750 states to 1451 states and 1750 transitions. [2018-12-01 17:21:56,969 INFO L276 IsEmpty]: Start isEmpty. Operand 1451 states and 1750 transitions. [2018-12-01 17:21:56,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-12-01 17:21:56,970 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:21:56,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:21:57,222 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 99 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:21:57,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:21:57,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1768 states to 1467 states and 1768 transitions. [2018-12-01 17:21:57,988 INFO L276 IsEmpty]: Start isEmpty. Operand 1467 states and 1768 transitions. [2018-12-01 17:21:57,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-12-01 17:21:57,989 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:21:57,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:21:58,012 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-01 17:22:00,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:22:00,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1778 states to 1474 states and 1778 transitions. [2018-12-01 17:22:00,321 INFO L276 IsEmpty]: Start isEmpty. Operand 1474 states and 1778 transitions. [2018-12-01 17:22:00,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-12-01 17:22:00,322 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:22:00,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:22:00,476 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-01 17:22:01,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:22:01,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1866 states to 1553 states and 1866 transitions. [2018-12-01 17:22:01,323 INFO L276 IsEmpty]: Start isEmpty. Operand 1553 states and 1866 transitions. [2018-12-01 17:22:01,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-12-01 17:22:01,323 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:22:01,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:22:01,468 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-01 17:22:01,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:22:01,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1880 states to 1566 states and 1880 transitions. [2018-12-01 17:22:01,771 INFO L276 IsEmpty]: Start isEmpty. Operand 1566 states and 1880 transitions. [2018-12-01 17:22:01,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-01 17:22:01,772 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:22:01,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:22:01,823 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-01 17:22:03,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:22:03,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1910 states to 1596 states and 1910 transitions. [2018-12-01 17:22:03,284 INFO L276 IsEmpty]: Start isEmpty. Operand 1596 states and 1910 transitions. [2018-12-01 17:22:03,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-12-01 17:22:03,285 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:22:03,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:22:03,344 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-01 17:22:06,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:22:06,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1943 states to 1628 states and 1943 transitions. [2018-12-01 17:22:06,812 INFO L276 IsEmpty]: Start isEmpty. Operand 1628 states and 1943 transitions. [2018-12-01 17:22:06,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-12-01 17:22:06,813 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:22:06,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:22:06,846 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-01 17:22:07,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:22:07,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1965 states to 1649 states and 1965 transitions. [2018-12-01 17:22:07,022 INFO L276 IsEmpty]: Start isEmpty. Operand 1649 states and 1965 transitions. [2018-12-01 17:22:07,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-12-01 17:22:07,023 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:22:07,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:22:07,046 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-01 17:22:07,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:22:07,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1966 states to 1650 states and 1966 transitions. [2018-12-01 17:22:07,388 INFO L276 IsEmpty]: Start isEmpty. Operand 1650 states and 1966 transitions. [2018-12-01 17:22:07,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-12-01 17:22:07,388 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:22:07,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:22:07,412 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-01 17:22:07,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:22:07,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1966 states to 1651 states and 1966 transitions. [2018-12-01 17:22:07,595 INFO L276 IsEmpty]: Start isEmpty. Operand 1651 states and 1966 transitions. [2018-12-01 17:22:07,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-12-01 17:22:07,595 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:22:07,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:22:07,622 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-01 17:22:07,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:22:07,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1978 states to 1661 states and 1978 transitions. [2018-12-01 17:22:07,950 INFO L276 IsEmpty]: Start isEmpty. Operand 1661 states and 1978 transitions. [2018-12-01 17:22:07,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-12-01 17:22:07,951 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:22:07,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:22:07,978 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-01 17:22:08,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:22:08,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1982 states to 1665 states and 1982 transitions. [2018-12-01 17:22:08,294 INFO L276 IsEmpty]: Start isEmpty. Operand 1665 states and 1982 transitions. [2018-12-01 17:22:08,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-01 17:22:08,295 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:22:08,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:22:08,456 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 17:22:10,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:22:10,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2059 states to 1731 states and 2059 transitions. [2018-12-01 17:22:10,555 INFO L276 IsEmpty]: Start isEmpty. Operand 1731 states and 2059 transitions. [2018-12-01 17:22:10,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-01 17:22:10,556 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:22:10,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:22:10,710 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 17:22:11,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:22:11,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2065 states to 1738 states and 2065 transitions. [2018-12-01 17:22:11,007 INFO L276 IsEmpty]: Start isEmpty. Operand 1738 states and 2065 transitions. [2018-12-01 17:22:11,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-01 17:22:11,008 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:22:11,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:22:11,156 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 17:22:11,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:22:11,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2073 states to 1746 states and 2073 transitions. [2018-12-01 17:22:11,347 INFO L276 IsEmpty]: Start isEmpty. Operand 1746 states and 2073 transitions. [2018-12-01 17:22:11,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-01 17:22:11,348 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:22:11,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:22:11,505 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 17:22:11,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:22:11,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2076 states to 1750 states and 2076 transitions. [2018-12-01 17:22:11,751 INFO L276 IsEmpty]: Start isEmpty. Operand 1750 states and 2076 transitions. [2018-12-01 17:22:11,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-01 17:22:11,752 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:22:11,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:22:11,806 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-01 17:22:12,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:22:12,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2087 states to 1756 states and 2087 transitions. [2018-12-01 17:22:12,528 INFO L276 IsEmpty]: Start isEmpty. Operand 1756 states and 2087 transitions. [2018-12-01 17:22:12,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-01 17:22:12,530 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:22:12,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:22:12,779 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:22:13,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:22:13,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2111 states to 1776 states and 2111 transitions. [2018-12-01 17:22:13,622 INFO L276 IsEmpty]: Start isEmpty. Operand 1776 states and 2111 transitions. [2018-12-01 17:22:13,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-01 17:22:13,623 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:22:13,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:22:13,652 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:22:13,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:22:13,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2112 states to 1778 states and 2112 transitions. [2018-12-01 17:22:13,835 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states and 2112 transitions. [2018-12-01 17:22:13,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-01 17:22:13,836 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:22:13,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:22:13,885 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 17:22:15,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:22:15,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2160 states to 1823 states and 2160 transitions. [2018-12-01 17:22:15,069 INFO L276 IsEmpty]: Start isEmpty. Operand 1823 states and 2160 transitions. [2018-12-01 17:22:15,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-01 17:22:15,070 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:22:15,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:22:15,116 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 17:22:15,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:22:15,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2165 states to 1830 states and 2165 transitions. [2018-12-01 17:22:15,696 INFO L276 IsEmpty]: Start isEmpty. Operand 1830 states and 2165 transitions. [2018-12-01 17:22:15,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-01 17:22:15,696 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:22:15,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:22:15,753 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-01 17:22:15,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:22:15,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2170 states to 1835 states and 2170 transitions. [2018-12-01 17:22:15,778 INFO L276 IsEmpty]: Start isEmpty. Operand 1835 states and 2170 transitions. [2018-12-01 17:22:15,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-01 17:22:15,779 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:22:15,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:22:16,444 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 17:22:20,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:22:20,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2208 states to 1872 states and 2208 transitions. [2018-12-01 17:22:20,438 INFO L276 IsEmpty]: Start isEmpty. Operand 1872 states and 2208 transitions. [2018-12-01 17:22:20,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-01 17:22:20,440 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:22:20,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:22:20,530 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 17:22:22,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:22:22,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2259 states to 1924 states and 2259 transitions. [2018-12-01 17:22:22,504 INFO L276 IsEmpty]: Start isEmpty. Operand 1924 states and 2259 transitions. [2018-12-01 17:22:22,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-12-01 17:22:22,508 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:22:22,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:22:22,571 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 109 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-01 17:22:25,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:22:25,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2287 states to 1944 states and 2287 transitions. [2018-12-01 17:22:25,294 INFO L276 IsEmpty]: Start isEmpty. Operand 1944 states and 2287 transitions. [2018-12-01 17:22:25,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-12-01 17:22:25,295 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:22:25,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:22:25,348 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 109 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-01 17:22:25,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:22:25,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2291 states to 1948 states and 2291 transitions. [2018-12-01 17:22:25,753 INFO L276 IsEmpty]: Start isEmpty. Operand 1948 states and 2291 transitions. [2018-12-01 17:22:25,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-12-01 17:22:25,754 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:22:25,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:22:25,803 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 109 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-01 17:22:26,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:22:26,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2295 states to 1952 states and 2295 transitions. [2018-12-01 17:22:26,532 INFO L276 IsEmpty]: Start isEmpty. Operand 1952 states and 2295 transitions. [2018-12-01 17:22:26,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-12-01 17:22:26,536 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:22:26,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:22:26,601 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 109 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-01 17:22:27,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:22:27,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2299 states to 1955 states and 2299 transitions. [2018-12-01 17:22:27,030 INFO L276 IsEmpty]: Start isEmpty. Operand 1955 states and 2299 transitions. [2018-12-01 17:22:27,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-12-01 17:22:27,032 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:22:27,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:22:27,083 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 109 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-01 17:22:27,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:22:27,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2307 states to 1962 states and 2307 transitions. [2018-12-01 17:22:27,672 INFO L276 IsEmpty]: Start isEmpty. Operand 1962 states and 2307 transitions. [2018-12-01 17:22:27,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-12-01 17:22:27,673 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:22:27,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:22:27,733 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 109 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-01 17:22:28,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:22:28,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2310 states to 1965 states and 2310 transitions. [2018-12-01 17:22:28,096 INFO L276 IsEmpty]: Start isEmpty. Operand 1965 states and 2310 transitions. [2018-12-01 17:22:28,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-12-01 17:22:28,097 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:22:28,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:22:28,153 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 148 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 17:22:28,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:22:28,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2331 states to 1983 states and 2331 transitions. [2018-12-01 17:22:28,882 INFO L276 IsEmpty]: Start isEmpty. Operand 1983 states and 2331 transitions. [2018-12-01 17:22:28,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-12-01 17:22:28,885 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:22:28,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:22:28,960 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 148 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 17:22:29,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:22:29,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2335 states to 1987 states and 2335 transitions. [2018-12-01 17:22:29,272 INFO L276 IsEmpty]: Start isEmpty. Operand 1987 states and 2335 transitions. [2018-12-01 17:22:29,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-01 17:22:29,272 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:22:29,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:22:29,442 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 17:22:32,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:22:32,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2414 states to 2063 states and 2414 transitions. [2018-12-01 17:22:32,764 INFO L276 IsEmpty]: Start isEmpty. Operand 2063 states and 2414 transitions. [2018-12-01 17:22:32,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-01 17:22:32,765 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:22:32,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:22:32,827 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 17:22:34,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:22:34,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2442 states to 2090 states and 2442 transitions. [2018-12-01 17:22:34,005 INFO L276 IsEmpty]: Start isEmpty. Operand 2090 states and 2442 transitions. [2018-12-01 17:22:34,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-01 17:22:34,006 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:22:34,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:22:34,068 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 17:22:34,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:22:34,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2444 states to 2092 states and 2444 transitions. [2018-12-01 17:22:34,328 INFO L276 IsEmpty]: Start isEmpty. Operand 2092 states and 2444 transitions. [2018-12-01 17:22:34,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-01 17:22:34,329 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:22:34,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:22:34,390 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 17:22:35,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:22:35,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2493 states to 2142 states and 2493 transitions. [2018-12-01 17:22:35,872 INFO L276 IsEmpty]: Start isEmpty. Operand 2142 states and 2493 transitions. [2018-12-01 17:22:35,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-12-01 17:22:35,873 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:22:35,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:22:35,940 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 122 proven. 16 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-01 17:22:41,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:22:41,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2540 states to 2177 states and 2540 transitions. [2018-12-01 17:22:41,129 INFO L276 IsEmpty]: Start isEmpty. Operand 2177 states and 2540 transitions. [2018-12-01 17:22:41,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-12-01 17:22:41,131 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:22:41,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:22:41,209 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 122 proven. 16 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-01 17:22:43,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:22:43,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2551 states to 2186 states and 2551 transitions. [2018-12-01 17:22:43,097 INFO L276 IsEmpty]: Start isEmpty. Operand 2186 states and 2551 transitions. [2018-12-01 17:22:43,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-12-01 17:22:43,098 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:22:43,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:22:43,167 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 122 proven. 16 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-01 17:22:46,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:22:46,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2563 states to 2196 states and 2563 transitions. [2018-12-01 17:22:46,357 INFO L276 IsEmpty]: Start isEmpty. Operand 2196 states and 2563 transitions. [2018-12-01 17:22:46,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-12-01 17:22:46,358 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:22:46,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:22:46,421 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 122 proven. 16 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-01 17:22:46,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:22:46,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2567 states to 2200 states and 2567 transitions. [2018-12-01 17:22:46,853 INFO L276 IsEmpty]: Start isEmpty. Operand 2200 states and 2567 transitions. [2018-12-01 17:22:46,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-12-01 17:22:46,854 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:22:46,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:22:46,923 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 122 proven. 16 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-01 17:22:47,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:22:47,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2570 states to 2203 states and 2570 transitions. [2018-12-01 17:22:47,408 INFO L276 IsEmpty]: Start isEmpty. Operand 2203 states and 2570 transitions. [2018-12-01 17:22:47,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-12-01 17:22:47,409 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:22:47,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:22:47,443 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 137 proven. 3 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-12-01 17:22:47,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:22:47,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2578 states to 2211 states and 2578 transitions. [2018-12-01 17:22:47,657 INFO L276 IsEmpty]: Start isEmpty. Operand 2211 states and 2578 transitions. [2018-12-01 17:22:47,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-12-01 17:22:47,658 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:22:47,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:22:47,709 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 141 proven. 5 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-12-01 17:22:47,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:22:47,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2583 states to 2216 states and 2583 transitions. [2018-12-01 17:22:47,923 INFO L276 IsEmpty]: Start isEmpty. Operand 2216 states and 2583 transitions. [2018-12-01 17:22:47,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-12-01 17:22:47,924 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:22:47,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:22:47,971 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 141 proven. 5 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-12-01 17:22:48,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:22:48,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2591 states to 2223 states and 2591 transitions. [2018-12-01 17:22:48,377 INFO L276 IsEmpty]: Start isEmpty. Operand 2223 states and 2591 transitions. [2018-12-01 17:22:48,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-12-01 17:22:48,378 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:22:48,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:22:49,165 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-01 17:22:50,288 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 38 [2018-12-01 17:22:55,308 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 32 [2018-12-01 17:23:03,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:23:03,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2659 states to 2287 states and 2659 transitions. [2018-12-01 17:23:03,498 INFO L276 IsEmpty]: Start isEmpty. Operand 2287 states and 2659 transitions. [2018-12-01 17:23:03,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-12-01 17:23:03,499 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:23:03,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:23:03,580 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-01 17:23:05,532 WARN L180 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2018-12-01 17:23:07,548 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2018-12-01 17:23:09,198 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2018-12-01 17:23:14,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:23:14,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2715 states to 2343 states and 2715 transitions. [2018-12-01 17:23:14,987 INFO L276 IsEmpty]: Start isEmpty. Operand 2343 states and 2715 transitions. [2018-12-01 17:23:14,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-12-01 17:23:14,990 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:23:15,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:23:15,079 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-01 17:23:19,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:23:19,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2739 states to 2367 states and 2739 transitions. [2018-12-01 17:23:19,441 INFO L276 IsEmpty]: Start isEmpty. Operand 2367 states and 2739 transitions. [2018-12-01 17:23:19,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-12-01 17:23:19,442 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:23:19,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:23:19,523 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-01 17:23:20,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:23:20,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2740 states to 2369 states and 2740 transitions. [2018-12-01 17:23:20,052 INFO L276 IsEmpty]: Start isEmpty. Operand 2369 states and 2740 transitions. [2018-12-01 17:23:20,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-12-01 17:23:20,054 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:23:20,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:23:20,145 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-01 17:23:21,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:23:21,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2741 states to 2371 states and 2741 transitions. [2018-12-01 17:23:21,100 INFO L276 IsEmpty]: Start isEmpty. Operand 2371 states and 2741 transitions. [2018-12-01 17:23:21,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-12-01 17:23:21,102 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:23:21,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:23:21,134 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-01 17:23:21,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:23:21,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2761 states to 2392 states and 2761 transitions. [2018-12-01 17:23:21,385 INFO L276 IsEmpty]: Start isEmpty. Operand 2392 states and 2761 transitions. [2018-12-01 17:23:21,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-12-01 17:23:21,386 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:23:21,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:23:21,556 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 17:23:24,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:23:24,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2794 states to 2424 states and 2794 transitions. [2018-12-01 17:23:24,258 INFO L276 IsEmpty]: Start isEmpty. Operand 2424 states and 2794 transitions. [2018-12-01 17:23:24,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-12-01 17:23:24,260 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:23:24,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:23:24,294 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-01 17:23:24,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:23:24,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2800 states to 2428 states and 2800 transitions. [2018-12-01 17:23:24,963 INFO L276 IsEmpty]: Start isEmpty. Operand 2428 states and 2800 transitions. [2018-12-01 17:23:24,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-12-01 17:23:24,964 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:23:24,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:23:24,998 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-01 17:23:29,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:23:29,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2827 states to 2450 states and 2827 transitions. [2018-12-01 17:23:29,969 INFO L276 IsEmpty]: Start isEmpty. Operand 2450 states and 2827 transitions. [2018-12-01 17:23:29,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-12-01 17:23:29,971 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:23:29,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:23:30,013 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-01 17:23:30,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:23:30,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2830 states to 2453 states and 2830 transitions. [2018-12-01 17:23:30,395 INFO L276 IsEmpty]: Start isEmpty. Operand 2453 states and 2830 transitions. [2018-12-01 17:23:30,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-12-01 17:23:30,396 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:23:30,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:23:30,446 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 133 proven. 5 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-12-01 17:23:32,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:23:32,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2859 states to 2483 states and 2859 transitions. [2018-12-01 17:23:32,686 INFO L276 IsEmpty]: Start isEmpty. Operand 2483 states and 2859 transitions. [2018-12-01 17:23:32,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-12-01 17:23:32,687 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:23:32,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:23:38,065 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 175 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:23:44,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:23:44,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2950 states to 2560 states and 2950 transitions. [2018-12-01 17:23:44,077 INFO L276 IsEmpty]: Start isEmpty. Operand 2560 states and 2950 transitions. [2018-12-01 17:23:44,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-01 17:23:44,078 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:23:44,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:23:46,044 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 17:23:47,884 WARN L180 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 34 [2018-12-01 17:23:50,449 WARN L180 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 35 [2018-12-01 17:23:55,823 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 29 [2018-12-01 17:24:03,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:24:03,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3000 states to 2610 states and 3000 transitions. [2018-12-01 17:24:03,047 INFO L276 IsEmpty]: Start isEmpty. Operand 2610 states and 3000 transitions. [2018-12-01 17:24:03,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-01 17:24:03,049 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:24:03,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:24:03,145 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 17:24:06,291 WARN L180 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2018-12-01 17:24:07,492 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2018-12-01 17:24:14,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:24:14,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3060 states to 2670 states and 3060 transitions. [2018-12-01 17:24:14,806 INFO L276 IsEmpty]: Start isEmpty. Operand 2670 states and 3060 transitions. [2018-12-01 17:24:14,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-01 17:24:14,807 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:24:14,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:24:14,902 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 17:24:15,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:24:15,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3061 states to 2672 states and 3061 transitions. [2018-12-01 17:24:15,301 INFO L276 IsEmpty]: Start isEmpty. Operand 2672 states and 3061 transitions. [2018-12-01 17:24:15,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-01 17:24:15,302 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:24:15,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:24:15,428 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 17:24:15,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:24:15,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3062 states to 2674 states and 3062 transitions. [2018-12-01 17:24:15,951 INFO L276 IsEmpty]: Start isEmpty. Operand 2674 states and 3062 transitions. [2018-12-01 17:24:15,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-01 17:24:15,952 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:24:15,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:24:17,240 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 17:24:20,579 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2018-12-01 17:24:22,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:24:22,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3105 states to 2710 states and 3105 transitions. [2018-12-01 17:24:22,947 INFO L276 IsEmpty]: Start isEmpty. Operand 2710 states and 3105 transitions. [2018-12-01 17:24:22,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-01 17:24:22,948 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:24:22,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:24:23,055 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 17:24:24,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:24:24,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3108 states to 2713 states and 3108 transitions. [2018-12-01 17:24:24,411 INFO L276 IsEmpty]: Start isEmpty. Operand 2713 states and 3108 transitions. [2018-12-01 17:24:24,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-01 17:24:24,412 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:24:24,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:24:24,519 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 17:24:25,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:24:25,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3111 states to 2716 states and 3111 transitions. [2018-12-01 17:24:25,593 INFO L276 IsEmpty]: Start isEmpty. Operand 2716 states and 3111 transitions. [2018-12-01 17:24:25,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-12-01 17:24:25,594 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:24:25,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:24:25,645 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 188 proven. 4 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-01 17:24:26,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:24:26,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3131 states to 2734 states and 3131 transitions. [2018-12-01 17:24:26,319 INFO L276 IsEmpty]: Start isEmpty. Operand 2734 states and 3131 transitions. [2018-12-01 17:24:26,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-12-01 17:24:26,320 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:24:26,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:24:26,371 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 215 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-12-01 17:24:26,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:24:26,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3139 states to 2742 states and 3139 transitions. [2018-12-01 17:24:26,404 INFO L276 IsEmpty]: Start isEmpty. Operand 2742 states and 3139 transitions. [2018-12-01 17:24:26,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-12-01 17:24:26,405 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:24:26,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:24:26,442 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-12-01 17:24:27,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:24:27,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3221 states to 2821 states and 3221 transitions. [2018-12-01 17:24:27,638 INFO L276 IsEmpty]: Start isEmpty. Operand 2821 states and 3221 transitions. [2018-12-01 17:24:27,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-12-01 17:24:27,640 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:24:27,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:24:27,696 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2018-12-01 17:24:27,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:24:27,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3222 states to 2823 states and 3222 transitions. [2018-12-01 17:24:27,924 INFO L276 IsEmpty]: Start isEmpty. Operand 2823 states and 3222 transitions. [2018-12-01 17:24:27,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-12-01 17:24:27,926 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:24:27,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:24:28,560 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-01 17:24:31,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:24:31,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3302 states to 2901 states and 3302 transitions. [2018-12-01 17:24:31,180 INFO L276 IsEmpty]: Start isEmpty. Operand 2901 states and 3302 transitions. [2018-12-01 17:24:31,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-12-01 17:24:31,182 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:24:31,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:24:31,474 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-12-01 17:24:37,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:24:37,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3458 states to 3038 states and 3458 transitions. [2018-12-01 17:24:37,303 INFO L276 IsEmpty]: Start isEmpty. Operand 3038 states and 3458 transitions. [2018-12-01 17:24:37,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2018-12-01 17:24:37,304 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:24:37,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:24:37,378 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 341 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2018-12-01 17:24:39,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:24:39,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3497 states to 3064 states and 3497 transitions. [2018-12-01 17:24:39,812 INFO L276 IsEmpty]: Start isEmpty. Operand 3064 states and 3497 transitions. [2018-12-01 17:24:39,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2018-12-01 17:24:39,814 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:24:39,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:24:39,898 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 341 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2018-12-01 17:24:41,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:24:41,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3525 states to 3085 states and 3525 transitions. [2018-12-01 17:24:41,695 INFO L276 IsEmpty]: Start isEmpty. Operand 3085 states and 3525 transitions. [2018-12-01 17:24:41,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-12-01 17:24:41,698 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:24:41,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:24:41,779 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 291 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2018-12-01 17:24:42,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:24:42,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3530 states to 3091 states and 3530 transitions. [2018-12-01 17:24:42,514 INFO L276 IsEmpty]: Start isEmpty. Operand 3091 states and 3530 transitions. [2018-12-01 17:24:42,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-12-01 17:24:42,517 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:24:42,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:24:42,564 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 291 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2018-12-01 17:24:44,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:24:44,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3536 states to 3098 states and 3536 transitions. [2018-12-01 17:24:44,759 INFO L276 IsEmpty]: Start isEmpty. Operand 3098 states and 3536 transitions. [2018-12-01 17:24:44,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2018-12-01 17:24:44,760 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:24:44,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:24:45,031 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 428 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-12-01 17:24:49,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:24:49,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3583 states to 3141 states and 3583 transitions. [2018-12-01 17:24:49,598 INFO L276 IsEmpty]: Start isEmpty. Operand 3141 states and 3583 transitions. [2018-12-01 17:24:49,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-01 17:24:49,600 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:24:49,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:24:49,741 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 310 proven. 3 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2018-12-01 17:24:51,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:24:51,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3591 states to 3149 states and 3591 transitions. [2018-12-01 17:24:51,347 INFO L276 IsEmpty]: Start isEmpty. Operand 3149 states and 3591 transitions. [2018-12-01 17:24:51,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2018-12-01 17:24:51,349 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:24:51,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:24:51,429 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 312 proven. 5 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2018-12-01 17:24:52,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:24:52,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3603 states to 3159 states and 3603 transitions. [2018-12-01 17:24:52,941 INFO L276 IsEmpty]: Start isEmpty. Operand 3159 states and 3603 transitions. [2018-12-01 17:24:52,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2018-12-01 17:24:52,943 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:24:52,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:24:53,028 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 312 proven. 5 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2018-12-01 17:24:53,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:24:53,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3607 states to 3163 states and 3607 transitions. [2018-12-01 17:24:53,525 INFO L276 IsEmpty]: Start isEmpty. Operand 3163 states and 3607 transitions. [2018-12-01 17:24:53,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2018-12-01 17:24:53,526 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:24:53,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:24:53,600 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 317 proven. 15 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2018-12-01 17:24:54,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:24:54,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3619 states to 3173 states and 3619 transitions. [2018-12-01 17:24:54,470 INFO L276 IsEmpty]: Start isEmpty. Operand 3173 states and 3619 transitions. [2018-12-01 17:24:54,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2018-12-01 17:24:54,471 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:24:54,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:24:54,544 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 317 proven. 15 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2018-12-01 17:24:55,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:24:55,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3623 states to 3177 states and 3623 transitions. [2018-12-01 17:24:55,097 INFO L276 IsEmpty]: Start isEmpty. Operand 3177 states and 3623 transitions. [2018-12-01 17:24:55,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2018-12-01 17:24:55,099 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:24:55,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:24:57,308 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 430 proven. 63 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-12-01 17:25:05,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:25:05,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3646 states to 3192 states and 3646 transitions. [2018-12-01 17:25:05,333 INFO L276 IsEmpty]: Start isEmpty. Operand 3192 states and 3646 transitions. [2018-12-01 17:25:05,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2018-12-01 17:25:05,335 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:25:05,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:25:05,486 INFO L134 CoverageAnalysis]: Checked inductivity of 521 backedges. 212 proven. 0 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2018-12-01 17:25:05,756 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 32 [2018-12-01 17:25:08,463 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 30 [2018-12-01 17:25:11,609 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 29 [2018-12-01 17:25:17,510 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 40 [2018-12-01 17:25:20,049 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2018-12-01 17:25:21,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:25:21,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3705 states to 3250 states and 3705 transitions. [2018-12-01 17:25:21,159 INFO L276 IsEmpty]: Start isEmpty. Operand 3250 states and 3705 transitions. [2018-12-01 17:25:21,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2018-12-01 17:25:21,161 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:25:21,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:25:21,267 INFO L134 CoverageAnalysis]: Checked inductivity of 521 backedges. 212 proven. 0 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2018-12-01 17:25:22,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:25:22,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3704 states to 3250 states and 3704 transitions. [2018-12-01 17:25:22,788 INFO L276 IsEmpty]: Start isEmpty. Operand 3250 states and 3704 transitions. [2018-12-01 17:25:22,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2018-12-01 17:25:22,790 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:25:22,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:25:22,895 INFO L134 CoverageAnalysis]: Checked inductivity of 521 backedges. 212 proven. 0 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2018-12-01 17:25:23,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:25:23,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3670 states to 3217 states and 3670 transitions. [2018-12-01 17:25:23,561 INFO L276 IsEmpty]: Start isEmpty. Operand 3217 states and 3670 transitions. [2018-12-01 17:25:23,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2018-12-01 17:25:23,563 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:25:23,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:25:23,672 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 445 proven. 8 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2018-12-01 17:25:24,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:25:24,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3680 states to 3225 states and 3680 transitions. [2018-12-01 17:25:24,227 INFO L276 IsEmpty]: Start isEmpty. Operand 3225 states and 3680 transitions. [2018-12-01 17:25:24,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2018-12-01 17:25:24,229 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:25:24,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:25:24,332 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 445 proven. 8 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2018-12-01 17:25:25,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:25:25,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3685 states to 3230 states and 3685 transitions. [2018-12-01 17:25:25,234 INFO L276 IsEmpty]: Start isEmpty. Operand 3230 states and 3685 transitions. [2018-12-01 17:25:25,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2018-12-01 17:25:25,236 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:25:25,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:25:25,347 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 445 proven. 8 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2018-12-01 17:25:28,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:25:28,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3686 states to 3232 states and 3686 transitions. [2018-12-01 17:25:28,066 INFO L276 IsEmpty]: Start isEmpty. Operand 3232 states and 3686 transitions. [2018-12-01 17:25:28,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2018-12-01 17:25:28,069 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:25:28,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:25:28,183 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 445 proven. 8 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2018-12-01 17:25:29,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:25:29,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3687 states to 3234 states and 3687 transitions. [2018-12-01 17:25:29,174 INFO L276 IsEmpty]: Start isEmpty. Operand 3234 states and 3687 transitions. [2018-12-01 17:25:29,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2018-12-01 17:25:29,176 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:25:29,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:25:29,303 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 445 proven. 8 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2018-12-01 17:25:32,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:25:32,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3688 states to 3236 states and 3688 transitions. [2018-12-01 17:25:32,431 INFO L276 IsEmpty]: Start isEmpty. Operand 3236 states and 3688 transitions. [2018-12-01 17:25:32,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2018-12-01 17:25:32,433 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:25:32,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:25:32,510 INFO L134 CoverageAnalysis]: Checked inductivity of 670 backedges. 506 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2018-12-01 17:25:34,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:25:34,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3709 states to 3254 states and 3709 transitions. [2018-12-01 17:25:34,057 INFO L276 IsEmpty]: Start isEmpty. Operand 3254 states and 3709 transitions. [2018-12-01 17:25:34,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2018-12-01 17:25:34,059 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:25:34,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:25:34,264 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 420 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2018-12-01 17:25:37,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:25:37,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3741 states to 3286 states and 3741 transitions. [2018-12-01 17:25:37,216 INFO L276 IsEmpty]: Start isEmpty. Operand 3286 states and 3741 transitions. [2018-12-01 17:25:37,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2018-12-01 17:25:37,217 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:25:37,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:25:37,403 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 420 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2018-12-01 17:25:39,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:25:39,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3768 states to 3313 states and 3768 transitions. [2018-12-01 17:25:39,019 INFO L276 IsEmpty]: Start isEmpty. Operand 3313 states and 3768 transitions. [2018-12-01 17:25:39,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2018-12-01 17:25:39,020 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:25:39,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:25:39,222 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 420 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2018-12-01 17:25:39,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:25:39,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3773 states to 3318 states and 3773 transitions. [2018-12-01 17:25:39,609 INFO L276 IsEmpty]: Start isEmpty. Operand 3318 states and 3773 transitions. [2018-12-01 17:25:39,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2018-12-01 17:25:39,611 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:25:39,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:25:39,793 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 420 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2018-12-01 17:25:40,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:25:40,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3779 states to 3325 states and 3779 transitions. [2018-12-01 17:25:40,693 INFO L276 IsEmpty]: Start isEmpty. Operand 3325 states and 3779 transitions. [2018-12-01 17:25:40,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2018-12-01 17:25:40,694 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:25:40,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:25:40,797 INFO L134 CoverageAnalysis]: Checked inductivity of 725 backedges. 578 proven. 8 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2018-12-01 17:25:41,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:25:41,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3789 states to 3333 states and 3789 transitions. [2018-12-01 17:25:41,524 INFO L276 IsEmpty]: Start isEmpty. Operand 3333 states and 3789 transitions. [2018-12-01 17:25:41,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2018-12-01 17:25:41,526 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:25:41,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:25:41,626 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 476 proven. 20 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2018-12-01 17:25:45,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:25:45,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3856 states to 3397 states and 3856 transitions. [2018-12-01 17:25:45,585 INFO L276 IsEmpty]: Start isEmpty. Operand 3397 states and 3856 transitions. [2018-12-01 17:25:45,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2018-12-01 17:25:45,587 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:25:45,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:25:45,686 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 476 proven. 20 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2018-12-01 17:25:46,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:25:46,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3884 states to 3425 states and 3884 transitions. [2018-12-01 17:25:46,681 INFO L276 IsEmpty]: Start isEmpty. Operand 3425 states and 3884 transitions. [2018-12-01 17:25:46,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2018-12-01 17:25:46,684 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:25:46,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:25:46,784 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 476 proven. 20 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2018-12-01 17:25:48,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:25:48,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3895 states to 3433 states and 3895 transitions. [2018-12-01 17:25:48,625 INFO L276 IsEmpty]: Start isEmpty. Operand 3433 states and 3895 transitions. [2018-12-01 17:25:48,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2018-12-01 17:25:48,627 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:25:48,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:25:48,725 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 476 proven. 20 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2018-12-01 17:25:50,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:25:50,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3900 states to 3438 states and 3900 transitions. [2018-12-01 17:25:50,124 INFO L276 IsEmpty]: Start isEmpty. Operand 3438 states and 3900 transitions. [2018-12-01 17:25:50,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2018-12-01 17:25:50,126 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:25:50,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:25:50,226 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 476 proven. 20 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2018-12-01 17:25:53,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:25:53,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3912 states to 3449 states and 3912 transitions. [2018-12-01 17:25:53,597 INFO L276 IsEmpty]: Start isEmpty. Operand 3449 states and 3912 transitions. [2018-12-01 17:25:53,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2018-12-01 17:25:53,599 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:25:53,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:25:53,722 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 476 proven. 20 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2018-12-01 17:25:54,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:25:54,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3913 states to 3451 states and 3913 transitions. [2018-12-01 17:25:54,120 INFO L276 IsEmpty]: Start isEmpty. Operand 3451 states and 3913 transitions. [2018-12-01 17:25:54,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2018-12-01 17:25:54,122 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:25:54,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:25:54,220 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 476 proven. 20 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2018-12-01 17:25:54,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:25:54,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3917 states to 3455 states and 3917 transitions. [2018-12-01 17:25:54,844 INFO L276 IsEmpty]: Start isEmpty. Operand 3455 states and 3917 transitions. [2018-12-01 17:25:54,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2018-12-01 17:25:54,846 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:25:54,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:25:54,944 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 476 proven. 20 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2018-12-01 17:25:55,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:25:55,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3921 states to 3459 states and 3921 transitions. [2018-12-01 17:25:55,561 INFO L276 IsEmpty]: Start isEmpty. Operand 3459 states and 3921 transitions. [2018-12-01 17:25:55,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 447 [2018-12-01 17:25:55,563 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:25:55,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:25:57,843 INFO L134 CoverageAnalysis]: Checked inductivity of 1034 backedges. 623 proven. 0 refuted. 0 times theorem prover too weak. 411 trivial. 0 not checked. [2018-12-01 17:26:04,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:26:04,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3951 states to 3484 states and 3951 transitions. [2018-12-01 17:26:04,886 INFO L276 IsEmpty]: Start isEmpty. Operand 3484 states and 3951 transitions. [2018-12-01 17:26:04,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 447 [2018-12-01 17:26:04,888 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:26:04,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:26:05,089 INFO L134 CoverageAnalysis]: Checked inductivity of 1034 backedges. 623 proven. 0 refuted. 0 times theorem prover too weak. 411 trivial. 0 not checked. [2018-12-01 17:26:06,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:26:06,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3955 states to 3487 states and 3955 transitions. [2018-12-01 17:26:06,417 INFO L276 IsEmpty]: Start isEmpty. Operand 3487 states and 3955 transitions. [2018-12-01 17:26:06,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 447 [2018-12-01 17:26:06,419 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:26:06,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:26:06,620 INFO L134 CoverageAnalysis]: Checked inductivity of 1034 backedges. 623 proven. 0 refuted. 0 times theorem prover too weak. 411 trivial. 0 not checked. [2018-12-01 17:26:08,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:26:08,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3958 states to 3490 states and 3958 transitions. [2018-12-01 17:26:08,496 INFO L276 IsEmpty]: Start isEmpty. Operand 3490 states and 3958 transitions. [2018-12-01 17:26:08,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 462 [2018-12-01 17:26:08,499 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:26:08,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:26:08,657 INFO L134 CoverageAnalysis]: Checked inductivity of 1129 backedges. 755 proven. 0 refuted. 0 times theorem prover too weak. 374 trivial. 0 not checked. [2018-12-01 17:26:09,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:26:09,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3981 states to 3512 states and 3981 transitions. [2018-12-01 17:26:09,509 INFO L276 IsEmpty]: Start isEmpty. Operand 3512 states and 3981 transitions. [2018-12-01 17:26:09,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 462 [2018-12-01 17:26:09,511 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:26:09,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:26:09,637 INFO L134 CoverageAnalysis]: Checked inductivity of 1129 backedges. 755 proven. 0 refuted. 0 times theorem prover too weak. 374 trivial. 0 not checked. [2018-12-01 17:26:10,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:26:10,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4001 states to 3534 states and 4001 transitions. [2018-12-01 17:26:10,835 INFO L276 IsEmpty]: Start isEmpty. Operand 3534 states and 4001 transitions. [2018-12-01 17:26:10,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 462 [2018-12-01 17:26:10,838 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:26:10,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:26:10,994 INFO L134 CoverageAnalysis]: Checked inductivity of 1129 backedges. 755 proven. 0 refuted. 0 times theorem prover too weak. 374 trivial. 0 not checked. [2018-12-01 17:26:12,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:26:12,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4030 states to 3563 states and 4030 transitions. [2018-12-01 17:26:12,709 INFO L276 IsEmpty]: Start isEmpty. Operand 3563 states and 4030 transitions. [2018-12-01 17:26:12,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 462 [2018-12-01 17:26:12,711 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:26:12,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:26:12,836 INFO L134 CoverageAnalysis]: Checked inductivity of 1129 backedges. 755 proven. 0 refuted. 0 times theorem prover too weak. 374 trivial. 0 not checked. [2018-12-01 17:26:13,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:26:13,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4048 states to 3581 states and 4048 transitions. [2018-12-01 17:26:13,776 INFO L276 IsEmpty]: Start isEmpty. Operand 3581 states and 4048 transitions. [2018-12-01 17:26:13,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 462 [2018-12-01 17:26:13,777 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 17:26:13,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:26:13,902 INFO L134 CoverageAnalysis]: Checked inductivity of 1129 backedges. 755 proven. 0 refuted. 0 times theorem prover too weak. 374 trivial. 0 not checked. [2018-12-01 17:26:14,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 17:26:14,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3547 states to 3139 states and 3547 transitions. [2018-12-01 17:26:14,425 INFO L276 IsEmpty]: Start isEmpty. Operand 3139 states and 3547 transitions. [2018-12-01 17:26:14,426 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 17:26:14,426 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 190 iterations. [2018-12-01 17:26:14,432 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-01 17:26:14,648 WARN L180 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 49 [2018-12-01 17:26:14,800 WARN L180 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 46 [2018-12-01 17:26:15,048 WARN L180 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 47 [2018-12-01 17:26:15,309 WARN L180 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 47 [2018-12-01 17:26:15,511 WARN L180 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 45 [2018-12-01 17:26:15,738 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 46 [2018-12-01 17:26:16,137 WARN L180 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 48 [2018-12-01 17:26:16,336 WARN L180 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 47 [2018-12-01 17:26:16,521 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 29 [2018-12-01 17:26:17,167 WARN L180 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 45 [2018-12-01 17:26:17,397 WARN L180 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 46 [2018-12-01 17:26:17,594 WARN L180 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 46 [2018-12-01 17:26:17,705 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 29 [2018-12-01 17:26:17,941 WARN L180 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 29 [2018-12-01 17:26:18,177 WARN L180 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 48 [2018-12-01 17:26:18,333 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 46 [2018-12-01 17:26:18,446 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 29 [2018-12-01 17:26:18,559 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 29 [2018-12-01 17:26:18,951 WARN L180 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 57 [2018-12-01 17:26:19,079 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 29 [2018-12-01 17:26:19,245 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 46 [2018-12-01 17:26:19,541 WARN L180 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 45 [2018-12-01 17:26:19,842 WARN L180 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 45 [2018-12-01 17:26:20,127 WARN L180 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 45 [2018-12-01 17:26:20,236 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 29 [2018-12-01 17:26:20,531 WARN L180 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 45 [2018-12-01 17:26:20,752 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 29 [2018-12-01 17:26:20,980 WARN L180 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 56 [2018-12-01 17:26:21,283 WARN L180 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 47 [2018-12-01 17:26:21,532 WARN L180 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 29 [2018-12-01 17:26:21,749 WARN L180 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 46 [2018-12-01 17:26:22,032 WARN L180 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 46 [2018-12-01 17:26:22,315 WARN L180 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 47 [2018-12-01 17:26:22,922 WARN L180 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 45 [2018-12-01 17:26:23,110 WARN L180 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 45 [2018-12-01 17:26:23,392 WARN L180 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 48 [2018-12-01 17:26:23,544 WARN L180 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 46 [2018-12-01 17:26:23,650 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 29 [2018-12-01 17:26:24,032 WARN L180 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 46 [2018-12-01 17:26:24,305 WARN L180 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 49 [2018-12-01 17:26:24,435 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 29 [2018-12-01 17:26:24,571 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 29 [2018-12-01 17:26:24,703 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 29 [2018-12-01 17:26:24,990 WARN L180 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 29 [2018-12-01 17:26:25,266 WARN L180 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 45 [2018-12-01 17:26:25,465 WARN L180 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 45 [2018-12-01 17:26:25,589 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 29 [2018-12-01 17:26:25,851 WARN L180 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 61 [2018-12-01 17:26:26,053 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 29 [2018-12-01 17:26:26,198 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 46 [2018-12-01 17:26:26,198 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 17:26:26,200 INFO L583 CodeCheckObserver]: Invariant with dag size 29 [2018-12-01 17:26:26,205 INFO L583 CodeCheckObserver]: Invariant with dag size 29 [2018-12-01 17:26:26,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:26:26 ImpRootNode [2018-12-01 17:26:26,206 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-01 17:26:26,206 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 17:26:26,206 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 17:26:26,206 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 17:26:26,207 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:20:50" (3/4) ... [2018-12-01 17:26:26,209 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 17:26:26,219 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 110 nodes and edges [2018-12-01 17:26:26,220 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-12-01 17:26:26,220 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-12-01 17:26:26,220 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-01 17:26:26,277 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b4402e06-9fff-4823-8b6d-2112b22e5c76/bin-2019/ukojak/witness.graphml [2018-12-01 17:26:26,277 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 17:26:26,278 INFO L168 Benchmark]: Toolchain (without parser) took 337689.72 ms. Allocated memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: 1.3 GB). Free memory was 951.3 MB in the beginning and 1.5 GB in the end (delta: -585.4 MB). Peak memory consumption was 675.0 MB. Max. memory is 11.5 GB. [2018-12-01 17:26:26,278 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 17:26:26,278 INFO L168 Benchmark]: CACSL2BoogieTranslator took 314.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -191.4 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. [2018-12-01 17:26:26,278 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-12-01 17:26:26,278 INFO L168 Benchmark]: Boogie Preprocessor took 40.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-01 17:26:26,279 INFO L168 Benchmark]: RCFGBuilder took 1067.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 910.4 MB in the end (delta: 222.0 MB). Peak memory consumption was 222.0 MB. Max. memory is 11.5 GB. [2018-12-01 17:26:26,279 INFO L168 Benchmark]: CodeCheck took 336141.16 ms. Allocated memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: 1.1 GB). Free memory was 910.4 MB in the beginning and 1.6 GB in the end (delta: -653.4 MB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. [2018-12-01 17:26:26,279 INFO L168 Benchmark]: Witness Printer took 70.97 ms. Allocated memory is still 2.3 GB. Free memory was 1.6 GB in the beginning and 1.5 GB in the end (delta: 27.1 MB). Peak memory consumption was 27.1 MB. Max. memory is 11.5 GB. [2018-12-01 17:26:26,280 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 227 locations, 1 error locations. SAFE Result, 324.3s OverallTime, 190 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 307072 SDtfs, -332949792 SDslu, 1840768 SDs, 0 SdLazy, 637458196 SolverSat, 1405434372 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1044.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 258332 GetRequests, 251212 SyntacticMatches, 5364 SemanticMatches, 1756 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2432984 ImplicationChecksByTransitivity, 293.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.6s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 23.7s InterpolantComputationTime, 39865 NumberOfCodeBlocks, 39865 NumberOfCodeBlocksAsserted, 189 NumberOfCheckSat, 39676 ConstructedInterpolants, 0 QuantifiedInterpolants, 41652743 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 189 InterpolantComputations, 140 PerfectInterpolantSequences, 46549/47098 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: 496]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((((a17 == 8 || (!(a25 == 1) && !(a11 == 1))) || ((((a28 == 9 && !(a19 == 1)) && a17 == 7) && a21 == 1) && a11 == 1)) || (!(a25 == 1) && !(a17 == 9))) || ((((a17 == 7 && a19 == 1) && a28 == 7) && a21 == 1) && a11 == 1)) || (!(a19 == 1) && !(a25 == 1)) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((a17 == 8 || (!(a25 == 1) && !(a11 == 1))) || ((((a28 == 9 && !(a19 == 1)) && a17 == 7) && a21 == 1) && a11 == 1)) || (!(a25 == 1) && !(a17 == 9))) || ((((a17 == 7 && a19 == 1) && a28 == 7) && a21 == 1) && a11 == 1)) || (!(a19 == 1) && !(a25 == 1)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 314.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -191.4 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 51.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1067.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 910.4 MB in the end (delta: 222.0 MB). Peak memory consumption was 222.0 MB. Max. memory is 11.5 GB. * CodeCheck took 336141.16 ms. Allocated memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: 1.1 GB). Free memory was 910.4 MB in the beginning and 1.6 GB in the end (delta: -653.4 MB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. * Witness Printer took 70.97 ms. Allocated memory is still 2.3 GB. Free memory was 1.6 GB in the beginning and 1.5 GB in the end (delta: 27.1 MB). Peak memory consumption was 27.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...