./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_fcfc7dda-541c-487a-b962-0b312a463aaf/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fcfc7dda-541c-487a-b962-0b312a463aaf/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fcfc7dda-541c-487a-b962-0b312a463aaf/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fcfc7dda-541c-487a-b962-0b312a463aaf/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_fcfc7dda-541c-487a-b962-0b312a463aaf/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fcfc7dda-541c-487a-b962-0b312a463aaf/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 [2018-12-09 19:10:22,185 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 19:10:22,186 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 19:10:22,194 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 19:10:22,194 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 19:10:22,195 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 19:10:22,195 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 19:10:22,197 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 19:10:22,198 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 19:10:22,198 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 19:10:22,199 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 19:10:22,199 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 19:10:22,199 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 19:10:22,200 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 19:10:22,201 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 19:10:22,201 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 19:10:22,202 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 19:10:22,203 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 19:10:22,204 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 19:10:22,205 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 19:10:22,206 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 19:10:22,207 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 19:10:22,208 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 19:10:22,208 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 19:10:22,209 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 19:10:22,209 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 19:10:22,210 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 19:10:22,210 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 19:10:22,211 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 19:10:22,212 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 19:10:22,212 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 19:10:22,212 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 19:10:22,212 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 19:10:22,213 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 19:10:22,213 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 19:10:22,213 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 19:10:22,214 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fcfc7dda-541c-487a-b962-0b312a463aaf/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 19:10:22,224 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 19:10:22,224 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 19:10:22,225 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 19:10:22,225 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 19:10:22,225 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 19:10:22,226 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 19:10:22,226 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 19:10:22,226 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 19:10:22,226 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 19:10:22,226 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 19:10:22,226 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 19:10:22,226 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 19:10:22,226 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 19:10:22,226 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 19:10:22,227 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 19:10:22,227 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 19:10:22,227 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 19:10:22,227 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 19:10:22,227 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 19:10:22,227 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 19:10:22,227 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 19:10:22,227 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 19:10:22,228 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 19:10:22,228 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 19:10:22,228 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 19:10:22,228 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 19:10:22,228 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 19:10:22,228 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 19:10:22,228 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 19:10:22,228 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_fcfc7dda-541c-487a-b962-0b312a463aaf/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 [2018-12-09 19:10:22,250 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 19:10:22,256 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 19:10:22,258 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 19:10:22,259 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 19:10:22,259 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 19:10:22,260 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fcfc7dda-541c-487a-b962-0b312a463aaf/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label11_true-unreach-call_false-termination.c [2018-12-09 19:10:22,294 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fcfc7dda-541c-487a-b962-0b312a463aaf/bin-2019/ukojak/data/a2f2d55b3/14e53753324b4dfd9c8f8ff148714f77/FLAG7d86e4984 [2018-12-09 19:10:22,733 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 19:10:22,733 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fcfc7dda-541c-487a-b962-0b312a463aaf/sv-benchmarks/c/eca-rers2012/Problem02_label11_true-unreach-call_false-termination.c [2018-12-09 19:10:22,742 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fcfc7dda-541c-487a-b962-0b312a463aaf/bin-2019/ukojak/data/a2f2d55b3/14e53753324b4dfd9c8f8ff148714f77/FLAG7d86e4984 [2018-12-09 19:10:22,752 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fcfc7dda-541c-487a-b962-0b312a463aaf/bin-2019/ukojak/data/a2f2d55b3/14e53753324b4dfd9c8f8ff148714f77 [2018-12-09 19:10:22,754 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 19:10:22,755 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 19:10:22,755 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 19:10:22,756 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 19:10:22,758 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 19:10:22,758 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:10:22" (1/1) ... [2018-12-09 19:10:22,760 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f79c046 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:10:22, skipping insertion in model container [2018-12-09 19:10:22,760 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:10:22" (1/1) ... [2018-12-09 19:10:22,764 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 19:10:22,788 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 19:10:22,964 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:10:22,967 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 19:10:23,055 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:10:23,064 INFO L195 MainTranslator]: Completed translation [2018-12-09 19:10:23,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:10:23 WrapperNode [2018-12-09 19:10:23,064 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 19:10:23,065 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 19:10:23,065 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 19:10:23,065 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 19:10:23,070 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:10:23" (1/1) ... [2018-12-09 19:10:23,078 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:10:23" (1/1) ... [2018-12-09 19:10:23,104 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 19:10:23,104 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 19:10:23,104 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 19:10:23,104 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 19:10:23,110 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:10:23" (1/1) ... [2018-12-09 19:10:23,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:10:23" (1/1) ... [2018-12-09 19:10:23,112 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:10:23" (1/1) ... [2018-12-09 19:10:23,113 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:10:23" (1/1) ... [2018-12-09 19:10:23,122 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:10:23" (1/1) ... [2018-12-09 19:10:23,128 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:10:23" (1/1) ... [2018-12-09 19:10:23,131 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:10:23" (1/1) ... [2018-12-09 19:10:23,134 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 19:10:23,135 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 19:10:23,135 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 19:10:23,135 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 19:10:23,135 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:10:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fcfc7dda-541c-487a-b962-0b312a463aaf/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 19:10:23,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 19:10:23,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 19:10:24,190 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 19:10:24,191 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-09 19:10:24,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:10:24 BoogieIcfgContainer [2018-12-09 19:10:24,191 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 19:10:24,191 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 19:10:24,191 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 19:10:24,198 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 19:10:24,199 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:10:24" (1/1) ... [2018-12-09 19:10:24,206 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:10:24,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:10:24,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2018-12-09 19:10:24,233 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2018-12-09 19:10:24,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-09 19:10:24,236 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:10:24,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:10:24,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:10:24,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:10:24,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 163 states and 276 transitions. [2018-12-09 19:10:24,752 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 276 transitions. [2018-12-09 19:10:24,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-09 19:10:24,754 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:10:24,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:10:24,832 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 19:10:25,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:10:25,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 245 states and 364 transitions. [2018-12-09 19:10:25,303 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 364 transitions. [2018-12-09 19:10:25,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-12-09 19:10:25,305 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:10:25,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:10:25,347 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:10:25,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:10:25,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 250 states and 376 transitions. [2018-12-09 19:10:25,456 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 376 transitions. [2018-12-09 19:10:25,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-09 19:10:25,460 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:10:25,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:10:25,483 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 19:10:25,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:10:25,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 252 states and 378 transitions. [2018-12-09 19:10:25,545 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 378 transitions. [2018-12-09 19:10:25,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-12-09 19:10:25,546 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:10:25,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:10:25,559 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:10:25,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:10:25,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 257 states and 383 transitions. [2018-12-09 19:10:25,595 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 383 transitions. [2018-12-09 19:10:25,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-09 19:10:25,596 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:10:25,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:10:25,642 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 19:10:25,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:10:25,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 262 states and 389 transitions. [2018-12-09 19:10:25,724 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 389 transitions. [2018-12-09 19:10:25,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-09 19:10:25,725 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:10:25,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:10:25,803 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:10:26,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:10:26,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 280 states and 415 transitions. [2018-12-09 19:10:26,182 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 415 transitions. [2018-12-09 19:10:26,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-09 19:10:26,182 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:10:26,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:10:26,230 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:10:26,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:10:26,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 301 states and 446 transitions. [2018-12-09 19:10:26,503 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 446 transitions. [2018-12-09 19:10:26,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-09 19:10:26,504 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:10:26,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:10:26,519 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:10:26,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:10:26,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 305 states and 451 transitions. [2018-12-09 19:10:26,674 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 451 transitions. [2018-12-09 19:10:26,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-09 19:10:26,675 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:10:26,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:10:26,698 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 19:10:26,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:10:26,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 306 states and 454 transitions. [2018-12-09 19:10:26,791 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 454 transitions. [2018-12-09 19:10:26,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-09 19:10:26,792 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:10:26,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:10:26,808 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 19:10:26,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:10:26,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 309 states and 459 transitions. [2018-12-09 19:10:26,892 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 459 transitions. [2018-12-09 19:10:26,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-09 19:10:26,893 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:10:26,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:10:26,907 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 19:10:26,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:10:26,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 312 states and 464 transitions. [2018-12-09 19:10:26,991 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 464 transitions. [2018-12-09 19:10:26,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-09 19:10:26,992 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:10:26,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:10:27,006 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 19:10:27,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:10:27,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 319 states and 472 transitions. [2018-12-09 19:10:27,226 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 472 transitions. [2018-12-09 19:10:27,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-09 19:10:27,227 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:10:27,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:10:27,246 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 19:10:27,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:10:27,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 337 states and 492 transitions. [2018-12-09 19:10:27,510 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 492 transitions. [2018-12-09 19:10:27,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-09 19:10:27,510 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:10:27,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:10:27,528 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:10:27,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:10:27,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 341 states and 496 transitions. [2018-12-09 19:10:27,551 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 496 transitions. [2018-12-09 19:10:27,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-09 19:10:27,551 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:10:27,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:10:27,564 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 19:10:27,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:10:27,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 342 states and 498 transitions. [2018-12-09 19:10:27,687 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 498 transitions. [2018-12-09 19:10:27,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-09 19:10:27,688 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:10:27,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:10:27,701 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 19:10:27,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:10:27,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 345 states and 501 transitions. [2018-12-09 19:10:27,815 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 501 transitions. [2018-12-09 19:10:27,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-09 19:10:27,815 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:10:27,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:10:27,842 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:10:27,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:10:27,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 346 states and 505 transitions. [2018-12-09 19:10:27,891 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 505 transitions. [2018-12-09 19:10:27,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-09 19:10:27,892 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:10:27,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:10:27,915 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:10:28,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:10:28,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 364 states and 524 transitions. [2018-12-09 19:10:28,164 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 524 transitions. [2018-12-09 19:10:28,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-09 19:10:28,165 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:10:28,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:10:28,248 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:10:28,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:10:28,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 394 states and 564 transitions. [2018-12-09 19:10:28,788 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 564 transitions. [2018-12-09 19:10:28,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-09 19:10:28,788 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:10:28,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:10:28,878 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:10:29,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:10:29,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 400 states and 575 transitions. [2018-12-09 19:10:29,109 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 575 transitions. [2018-12-09 19:10:29,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-09 19:10:29,110 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:10:29,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:10:29,190 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:10:30,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:10:30,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 430 states and 617 transitions. [2018-12-09 19:10:30,022 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 617 transitions. [2018-12-09 19:10:30,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-09 19:10:30,023 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:10:30,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:10:30,074 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:10:30,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:10:30,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 440 states and 628 transitions. [2018-12-09 19:10:30,453 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 628 transitions. [2018-12-09 19:10:30,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-09 19:10:30,453 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:10:30,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:10:30,511 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:10:30,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:10:30,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 443 states and 631 transitions. [2018-12-09 19:10:30,639 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 631 transitions. [2018-12-09 19:10:30,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-12-09 19:10:30,639 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:10:30,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:10:30,682 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:10:30,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:10:30,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 448 states and 635 transitions. [2018-12-09 19:10:30,825 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 635 transitions. [2018-12-09 19:10:30,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-12-09 19:10:30,825 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:10:30,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:10:30,857 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:10:31,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:10:31,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 482 states and 673 transitions. [2018-12-09 19:10:31,575 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 673 transitions. [2018-12-09 19:10:31,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-12-09 19:10:31,576 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:10:31,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:10:31,637 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 19:10:32,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:10:32,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 508 states and 701 transitions. [2018-12-09 19:10:32,305 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 701 transitions. [2018-12-09 19:10:32,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-12-09 19:10:32,306 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:10:32,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:10:32,321 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:10:32,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:10:32,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 527 states and 723 transitions. [2018-12-09 19:10:32,708 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 723 transitions. [2018-12-09 19:10:32,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-09 19:10:32,709 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:10:32,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:10:32,732 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:10:32,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:10:32,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 542 states and 739 transitions. [2018-12-09 19:10:32,972 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 739 transitions. [2018-12-09 19:10:32,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-12-09 19:10:32,973 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:10:32,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:10:33,010 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 19:10:33,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:10:33,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 546 states and 742 transitions. [2018-12-09 19:10:33,115 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 742 transitions. [2018-12-09 19:10:33,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-12-09 19:10:33,115 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:10:33,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:10:33,131 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:10:33,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:10:33,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 550 states and 750 transitions. [2018-12-09 19:10:33,153 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 750 transitions. [2018-12-09 19:10:33,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-09 19:10:33,154 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:10:33,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:10:33,170 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:10:33,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:10:33,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 573 states and 773 transitions. [2018-12-09 19:10:33,244 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 773 transitions. [2018-12-09 19:10:33,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-09 19:10:33,244 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:10:33,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:10:33,315 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:10:33,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:10:33,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 597 states and 805 transitions. [2018-12-09 19:10:33,668 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 805 transitions. [2018-12-09 19:10:33,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-09 19:10:33,669 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:10:33,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:10:33,690 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:10:33,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:10:33,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 602 states and 809 transitions. [2018-12-09 19:10:33,816 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 809 transitions. [2018-12-09 19:10:33,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-09 19:10:33,817 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:10:33,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:10:33,832 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:10:33,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:10:33,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 606 states and 814 transitions. [2018-12-09 19:10:33,987 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 814 transitions. [2018-12-09 19:10:33,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-09 19:10:33,987 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:10:33,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:10:34,346 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 75 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 19:10:37,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:10:37,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 864 states to 646 states and 864 transitions. [2018-12-09 19:10:37,313 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 864 transitions. [2018-12-09 19:10:37,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-09 19:10:37,314 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:10:37,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:10:37,360 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 75 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 19:10:37,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:10:37,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 865 states to 648 states and 865 transitions. [2018-12-09 19:10:37,577 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 865 transitions. [2018-12-09 19:10:37,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-09 19:10:37,577 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:10:37,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:10:37,630 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:10:37,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:10:37,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 660 states and 878 transitions. [2018-12-09 19:10:37,988 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 878 transitions. [2018-12-09 19:10:37,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-09 19:10:37,989 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:10:37,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:10:38,050 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:10:38,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:10:38,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 664 states and 881 transitions. [2018-12-09 19:10:38,146 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 881 transitions. [2018-12-09 19:10:38,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-09 19:10:38,146 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:10:38,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:10:38,195 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:10:38,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:10:38,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 669 states and 885 transitions. [2018-12-09 19:10:38,373 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 885 transitions. [2018-12-09 19:10:38,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-09 19:10:38,373 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:10:38,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:10:38,391 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-09 19:10:38,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:10:38,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 674 states and 890 transitions. [2018-12-09 19:10:38,513 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 890 transitions. [2018-12-09 19:10:38,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-09 19:10:38,514 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:10:38,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:10:38,535 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:10:38,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:10:38,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 911 states to 695 states and 911 transitions. [2018-12-09 19:10:38,609 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 911 transitions. [2018-12-09 19:10:38,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-09 19:10:38,610 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:10:38,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:10:38,628 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-09 19:10:38,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:10:38,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 696 states and 912 transitions. [2018-12-09 19:10:38,639 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 912 transitions. [2018-12-09 19:10:38,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-09 19:10:38,639 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:10:38,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:10:39,174 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:10:44,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:10:44,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 755 states and 977 transitions. [2018-12-09 19:10:44,907 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 977 transitions. [2018-12-09 19:10:44,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-09 19:10:44,907 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:10:44,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:10:44,946 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-09 19:10:45,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:10:45,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 997 states to 774 states and 997 transitions. [2018-12-09 19:10:45,350 INFO L276 IsEmpty]: Start isEmpty. Operand 774 states and 997 transitions. [2018-12-09 19:10:45,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-09 19:10:45,350 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:10:45,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:10:45,497 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:10:48,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:10:48,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 809 states and 1039 transitions. [2018-12-09 19:10:48,022 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 1039 transitions. [2018-12-09 19:10:48,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-09 19:10:48,023 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:10:48,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:10:48,068 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-09 19:10:48,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:10:48,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1041 states to 810 states and 1041 transitions. [2018-12-09 19:10:48,102 INFO L276 IsEmpty]: Start isEmpty. Operand 810 states and 1041 transitions. [2018-12-09 19:10:48,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-09 19:10:48,103 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:10:48,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:10:48,123 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:10:48,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:10:48,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1063 states to 829 states and 1063 transitions. [2018-12-09 19:10:48,512 INFO L276 IsEmpty]: Start isEmpty. Operand 829 states and 1063 transitions. [2018-12-09 19:10:48,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-09 19:10:48,513 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:10:48,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:10:48,539 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:10:48,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:10:48,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1077 states to 841 states and 1077 transitions. [2018-12-09 19:10:48,992 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 1077 transitions. [2018-12-09 19:10:48,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-09 19:10:48,993 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:10:49,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:10:49,013 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:10:49,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:10:49,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1081 states to 846 states and 1081 transitions. [2018-12-09 19:10:49,182 INFO L276 IsEmpty]: Start isEmpty. Operand 846 states and 1081 transitions. [2018-12-09 19:10:49,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-09 19:10:49,183 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:10:49,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:10:49,202 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:10:49,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:10:49,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 850 states and 1084 transitions. [2018-12-09 19:10:49,376 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 1084 transitions. [2018-12-09 19:10:49,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-09 19:10:49,377 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:10:49,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:10:49,396 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:10:49,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:10:49,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1087 states to 854 states and 1087 transitions. [2018-12-09 19:10:49,593 INFO L276 IsEmpty]: Start isEmpty. Operand 854 states and 1087 transitions. [2018-12-09 19:10:49,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-09 19:10:49,593 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:10:49,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:10:49,927 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:10:55,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:10:55,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1171 states to 922 states and 1171 transitions. [2018-12-09 19:10:55,368 INFO L276 IsEmpty]: Start isEmpty. Operand 922 states and 1171 transitions. [2018-12-09 19:10:55,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-09 19:10:55,370 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:10:55,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:10:55,426 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:10:55,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:10:55,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1174 states to 925 states and 1174 transitions. [2018-12-09 19:10:55,658 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 1174 transitions. [2018-12-09 19:10:55,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-09 19:10:55,659 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:10:55,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:10:55,694 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:10:55,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:10:55,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1177 states to 928 states and 1177 transitions. [2018-12-09 19:10:55,932 INFO L276 IsEmpty]: Start isEmpty. Operand 928 states and 1177 transitions. [2018-12-09 19:10:55,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-12-09 19:10:55,933 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:10:55,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:10:55,962 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 19:10:56,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:10:56,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1191 states to 942 states and 1191 transitions. [2018-12-09 19:10:56,100 INFO L276 IsEmpty]: Start isEmpty. Operand 942 states and 1191 transitions. [2018-12-09 19:10:56,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-09 19:10:56,101 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:10:56,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:10:56,404 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 78 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:11:02,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:11:02,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 1002 states and 1256 transitions. [2018-12-09 19:11:02,002 INFO L276 IsEmpty]: Start isEmpty. Operand 1002 states and 1256 transitions. [2018-12-09 19:11:02,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-09 19:11:02,004 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:11:02,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:11:02,054 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 78 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:11:02,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:11:02,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1257 states to 1004 states and 1257 transitions. [2018-12-09 19:11:02,302 INFO L276 IsEmpty]: Start isEmpty. Operand 1004 states and 1257 transitions. [2018-12-09 19:11:02,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-12-09 19:11:02,303 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:11:02,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:11:02,461 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:11:03,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:11:03,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1268 states to 1014 states and 1268 transitions. [2018-12-09 19:11:03,050 INFO L276 IsEmpty]: Start isEmpty. Operand 1014 states and 1268 transitions. [2018-12-09 19:11:03,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-12-09 19:11:03,051 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:11:03,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:11:03,202 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:11:05,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:11:05,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1301 states to 1046 states and 1301 transitions. [2018-12-09 19:11:05,342 INFO L276 IsEmpty]: Start isEmpty. Operand 1046 states and 1301 transitions. [2018-12-09 19:11:05,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-12-09 19:11:05,343 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:11:05,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:11:05,376 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:11:07,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:11:07,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1331 states to 1070 states and 1331 transitions. [2018-12-09 19:11:07,127 INFO L276 IsEmpty]: Start isEmpty. Operand 1070 states and 1331 transitions. [2018-12-09 19:11:07,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-09 19:11:07,128 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:11:07,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:11:07,374 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:11:09,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:11:09,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1386 states to 1122 states and 1386 transitions. [2018-12-09 19:11:09,810 INFO L276 IsEmpty]: Start isEmpty. Operand 1122 states and 1386 transitions. [2018-12-09 19:11:09,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-12-09 19:11:09,812 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:11:09,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:11:09,867 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:11:10,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:11:10,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1407 states to 1137 states and 1407 transitions. [2018-12-09 19:11:10,608 INFO L276 IsEmpty]: Start isEmpty. Operand 1137 states and 1407 transitions. [2018-12-09 19:11:10,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-12-09 19:11:10,609 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:11:10,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:11:10,651 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:11:11,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:11:11,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1415 states to 1144 states and 1415 transitions. [2018-12-09 19:11:11,178 INFO L276 IsEmpty]: Start isEmpty. Operand 1144 states and 1415 transitions. [2018-12-09 19:11:11,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-12-09 19:11:11,179 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:11:11,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:11:11,225 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:11:11,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:11:11,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1418 states to 1147 states and 1418 transitions. [2018-12-09 19:11:11,480 INFO L276 IsEmpty]: Start isEmpty. Operand 1147 states and 1418 transitions. [2018-12-09 19:11:11,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-12-09 19:11:11,481 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:11:11,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:11:11,501 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 19:11:11,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:11:11,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1437 states to 1166 states and 1437 transitions. [2018-12-09 19:11:11,658 INFO L276 IsEmpty]: Start isEmpty. Operand 1166 states and 1437 transitions. [2018-12-09 19:11:11,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-09 19:11:11,659 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:11:11,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:11:11,695 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-12-09 19:11:11,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:11:11,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1443 states to 1171 states and 1443 transitions. [2018-12-09 19:11:11,894 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 1443 transitions. [2018-12-09 19:11:11,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-12-09 19:11:11,895 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:11:11,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:11:12,035 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 19:11:12,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:11:12,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1460 states to 1187 states and 1460 transitions. [2018-12-09 19:11:12,373 INFO L276 IsEmpty]: Start isEmpty. Operand 1187 states and 1460 transitions. [2018-12-09 19:11:12,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-09 19:11:12,374 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:11:12,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:11:12,410 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 84 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:11:16,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:11:16,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1541 states to 1260 states and 1541 transitions. [2018-12-09 19:11:16,070 INFO L276 IsEmpty]: Start isEmpty. Operand 1260 states and 1541 transitions. [2018-12-09 19:11:16,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-09 19:11:16,070 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:11:16,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:11:16,100 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 84 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:11:16,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:11:16,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 1264 states and 1545 transitions. [2018-12-09 19:11:16,364 INFO L276 IsEmpty]: Start isEmpty. Operand 1264 states and 1545 transitions. [2018-12-09 19:11:16,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-12-09 19:11:16,365 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:11:16,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:11:16,414 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:11:20,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:11:20,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1575 states to 1294 states and 1575 transitions. [2018-12-09 19:11:20,147 INFO L276 IsEmpty]: Start isEmpty. Operand 1294 states and 1575 transitions. [2018-12-09 19:11:20,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-12-09 19:11:20,149 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:11:20,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:11:20,687 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:11:21,974 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2018-12-09 19:11:24,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:11:24,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1644 states to 1363 states and 1644 transitions. [2018-12-09 19:11:24,653 INFO L276 IsEmpty]: Start isEmpty. Operand 1363 states and 1644 transitions. [2018-12-09 19:11:24,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-12-09 19:11:24,654 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:11:24,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:11:24,736 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 19:11:24,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:11:24,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1645 states to 1365 states and 1645 transitions. [2018-12-09 19:11:24,991 INFO L276 IsEmpty]: Start isEmpty. Operand 1365 states and 1645 transitions. [2018-12-09 19:11:24,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-12-09 19:11:24,992 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:11:24,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:11:25,018 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 19:11:26,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:11:26,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1657 states to 1375 states and 1657 transitions. [2018-12-09 19:11:26,254 INFO L276 IsEmpty]: Start isEmpty. Operand 1375 states and 1657 transitions. [2018-12-09 19:11:26,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-12-09 19:11:26,255 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:11:26,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:11:26,288 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:11:26,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:11:26,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1691 states to 1403 states and 1691 transitions. [2018-12-09 19:11:26,582 INFO L276 IsEmpty]: Start isEmpty. Operand 1403 states and 1691 transitions. [2018-12-09 19:11:26,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-12-09 19:11:26,583 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:11:26,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:11:26,616 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:11:27,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:11:27,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1703 states to 1415 states and 1703 transitions. [2018-12-09 19:11:27,159 INFO L276 IsEmpty]: Start isEmpty. Operand 1415 states and 1703 transitions. [2018-12-09 19:11:27,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-12-09 19:11:27,160 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:11:27,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:11:27,189 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:11:27,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:11:27,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1706 states to 1419 states and 1706 transitions. [2018-12-09 19:11:27,424 INFO L276 IsEmpty]: Start isEmpty. Operand 1419 states and 1706 transitions. [2018-12-09 19:11:27,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-12-09 19:11:27,425 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:11:27,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:11:27,470 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-09 19:11:27,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:11:27,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1709 states to 1421 states and 1709 transitions. [2018-12-09 19:11:27,765 INFO L276 IsEmpty]: Start isEmpty. Operand 1421 states and 1709 transitions. [2018-12-09 19:11:27,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-09 19:11:27,766 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:11:27,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:11:27,811 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:11:27,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:11:27,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1713 states to 1423 states and 1713 transitions. [2018-12-09 19:11:27,974 INFO L276 IsEmpty]: Start isEmpty. Operand 1423 states and 1713 transitions. [2018-12-09 19:11:27,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-09 19:11:27,975 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:11:27,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:11:28,013 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 19:11:30,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:11:30,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1731 states to 1435 states and 1731 transitions. [2018-12-09 19:11:30,075 INFO L276 IsEmpty]: Start isEmpty. Operand 1435 states and 1731 transitions. [2018-12-09 19:11:30,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-12-09 19:11:30,077 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:11:30,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:11:31,061 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 152 proven. 9 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 19:11:32,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:11:32,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1750 states to 1451 states and 1750 transitions. [2018-12-09 19:11:32,803 INFO L276 IsEmpty]: Start isEmpty. Operand 1451 states and 1750 transitions. [2018-12-09 19:11:32,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-12-09 19:11:32,805 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:11:32,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:11:33,082 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 99 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:11:34,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:11:34,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1768 states to 1467 states and 1768 transitions. [2018-12-09 19:11:34,275 INFO L276 IsEmpty]: Start isEmpty. Operand 1467 states and 1768 transitions. [2018-12-09 19:11:34,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-12-09 19:11:34,277 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:11:34,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:11:34,302 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 19:11:35,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:11:35,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1778 states to 1474 states and 1778 transitions. [2018-12-09 19:11:35,227 INFO L276 IsEmpty]: Start isEmpty. Operand 1474 states and 1778 transitions. [2018-12-09 19:11:35,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-12-09 19:11:35,228 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:11:35,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:11:35,384 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-09 19:11:37,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:11:37,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1866 states to 1553 states and 1866 transitions. [2018-12-09 19:11:37,480 INFO L276 IsEmpty]: Start isEmpty. Operand 1553 states and 1866 transitions. [2018-12-09 19:11:37,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-12-09 19:11:37,483 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:11:37,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:11:37,653 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 19:11:37,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:11:37,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1880 states to 1566 states and 1880 transitions. [2018-12-09 19:11:37,945 INFO L276 IsEmpty]: Start isEmpty. Operand 1566 states and 1880 transitions. [2018-12-09 19:11:37,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-09 19:11:37,946 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:11:37,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:11:38,003 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-09 19:11:42,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:11:42,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1910 states to 1596 states and 1910 transitions. [2018-12-09 19:11:42,889 INFO L276 IsEmpty]: Start isEmpty. Operand 1596 states and 1910 transitions. [2018-12-09 19:11:42,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-12-09 19:11:42,890 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:11:42,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:11:42,949 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 19:11:45,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:11:45,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1943 states to 1628 states and 1943 transitions. [2018-12-09 19:11:45,240 INFO L276 IsEmpty]: Start isEmpty. Operand 1628 states and 1943 transitions. [2018-12-09 19:11:45,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-12-09 19:11:45,241 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:11:45,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:11:45,266 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-09 19:11:45,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:11:45,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1965 states to 1649 states and 1965 transitions. [2018-12-09 19:11:45,442 INFO L276 IsEmpty]: Start isEmpty. Operand 1649 states and 1965 transitions. [2018-12-09 19:11:45,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-12-09 19:11:45,443 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:11:45,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:11:45,479 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-09 19:11:45,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:11:45,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1966 states to 1650 states and 1966 transitions. [2018-12-09 19:11:45,872 INFO L276 IsEmpty]: Start isEmpty. Operand 1650 states and 1966 transitions. [2018-12-09 19:11:45,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-12-09 19:11:45,873 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:11:45,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:11:45,897 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-09 19:11:46,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:11:46,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1966 states to 1651 states and 1966 transitions. [2018-12-09 19:11:46,077 INFO L276 IsEmpty]: Start isEmpty. Operand 1651 states and 1966 transitions. [2018-12-09 19:11:46,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-12-09 19:11:46,078 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:11:46,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:11:46,105 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-09 19:11:46,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:11:46,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1974 states to 1657 states and 1974 transitions. [2018-12-09 19:11:46,154 INFO L276 IsEmpty]: Start isEmpty. Operand 1657 states and 1974 transitions. [2018-12-09 19:11:46,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-12-09 19:11:46,155 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:11:46,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:11:46,189 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-09 19:11:46,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:11:46,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1978 states to 1661 states and 1978 transitions. [2018-12-09 19:11:46,512 INFO L276 IsEmpty]: Start isEmpty. Operand 1661 states and 1978 transitions. [2018-12-09 19:11:46,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-12-09 19:11:46,513 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:11:46,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:11:46,542 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-09 19:11:46,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:11:46,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1982 states to 1665 states and 1982 transitions. [2018-12-09 19:11:46,893 INFO L276 IsEmpty]: Start isEmpty. Operand 1665 states and 1982 transitions. [2018-12-09 19:11:46,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-09 19:11:46,895 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:11:46,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:11:47,058 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 19:11:48,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:11:48,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2059 states to 1731 states and 2059 transitions. [2018-12-09 19:11:48,947 INFO L276 IsEmpty]: Start isEmpty. Operand 1731 states and 2059 transitions. [2018-12-09 19:11:48,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-09 19:11:48,948 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:11:48,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:11:49,119 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 19:11:50,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:11:50,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2065 states to 1738 states and 2065 transitions. [2018-12-09 19:11:50,308 INFO L276 IsEmpty]: Start isEmpty. Operand 1738 states and 2065 transitions. [2018-12-09 19:11:50,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-09 19:11:50,311 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:11:50,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:11:50,508 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 19:11:51,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:11:51,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2076 states to 1750 states and 2076 transitions. [2018-12-09 19:11:51,817 INFO L276 IsEmpty]: Start isEmpty. Operand 1750 states and 2076 transitions. [2018-12-09 19:11:51,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-09 19:11:51,818 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:11:51,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:11:51,863 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-09 19:11:52,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:11:52,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2087 states to 1756 states and 2087 transitions. [2018-12-09 19:11:52,292 INFO L276 IsEmpty]: Start isEmpty. Operand 1756 states and 2087 transitions. [2018-12-09 19:11:52,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-09 19:11:52,293 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:11:52,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:11:52,528 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:11:53,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:11:53,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2111 states to 1776 states and 2111 transitions. [2018-12-09 19:11:53,471 INFO L276 IsEmpty]: Start isEmpty. Operand 1776 states and 2111 transitions. [2018-12-09 19:11:53,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-09 19:11:53,472 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:11:53,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:11:53,499 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:11:53,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:11:53,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2112 states to 1778 states and 2112 transitions. [2018-12-09 19:11:53,682 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states and 2112 transitions. [2018-12-09 19:11:53,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-09 19:11:53,683 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:11:53,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:11:53,727 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 19:11:55,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:11:55,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2161 states to 1825 states and 2161 transitions. [2018-12-09 19:11:55,491 INFO L276 IsEmpty]: Start isEmpty. Operand 1825 states and 2161 transitions. [2018-12-09 19:11:55,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-09 19:11:55,492 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:11:55,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:11:55,537 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 19:11:55,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:11:55,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2165 states to 1830 states and 2165 transitions. [2018-12-09 19:11:55,825 INFO L276 IsEmpty]: Start isEmpty. Operand 1830 states and 2165 transitions. [2018-12-09 19:11:55,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-09 19:11:55,826 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:11:55,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:11:55,878 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-09 19:11:55,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:11:55,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2170 states to 1835 states and 2170 transitions. [2018-12-09 19:11:55,906 INFO L276 IsEmpty]: Start isEmpty. Operand 1835 states and 2170 transitions. [2018-12-09 19:11:55,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-09 19:11:55,907 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:11:55,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:11:57,118 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 19:11:58,189 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 29 [2018-12-09 19:12:00,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:12:00,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2208 states to 1872 states and 2208 transitions. [2018-12-09 19:12:00,757 INFO L276 IsEmpty]: Start isEmpty. Operand 1872 states and 2208 transitions. [2018-12-09 19:12:00,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-09 19:12:00,758 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:12:00,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:12:00,859 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 19:12:01,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:12:01,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2259 states to 1924 states and 2259 transitions. [2018-12-09 19:12:01,928 INFO L276 IsEmpty]: Start isEmpty. Operand 1924 states and 2259 transitions. [2018-12-09 19:12:01,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-12-09 19:12:01,929 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:12:01,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:12:01,972 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 109 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-09 19:12:03,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:12:03,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2288 states to 1947 states and 2288 transitions. [2018-12-09 19:12:03,705 INFO L276 IsEmpty]: Start isEmpty. Operand 1947 states and 2288 transitions. [2018-12-09 19:12:03,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-12-09 19:12:03,706 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:12:03,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:12:03,750 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 109 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-09 19:12:04,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:12:04,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2295 states to 1951 states and 2295 transitions. [2018-12-09 19:12:04,452 INFO L276 IsEmpty]: Start isEmpty. Operand 1951 states and 2295 transitions. [2018-12-09 19:12:04,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-12-09 19:12:04,453 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:12:04,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:12:04,505 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 109 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-09 19:12:05,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:12:05,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2299 states to 1955 states and 2299 transitions. [2018-12-09 19:12:05,043 INFO L276 IsEmpty]: Start isEmpty. Operand 1955 states and 2299 transitions. [2018-12-09 19:12:05,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-12-09 19:12:05,045 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:12:05,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:12:05,111 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 109 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-09 19:12:05,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:12:05,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2307 states to 1962 states and 2307 transitions. [2018-12-09 19:12:05,740 INFO L276 IsEmpty]: Start isEmpty. Operand 1962 states and 2307 transitions. [2018-12-09 19:12:05,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-12-09 19:12:05,741 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:12:05,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:12:05,792 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 109 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-09 19:12:06,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:12:06,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2310 states to 1965 states and 2310 transitions. [2018-12-09 19:12:06,203 INFO L276 IsEmpty]: Start isEmpty. Operand 1965 states and 2310 transitions. [2018-12-09 19:12:06,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-12-09 19:12:06,204 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:12:06,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:12:06,272 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 148 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:12:06,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:12:06,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2331 states to 1983 states and 2331 transitions. [2018-12-09 19:12:06,907 INFO L276 IsEmpty]: Start isEmpty. Operand 1983 states and 2331 transitions. [2018-12-09 19:12:06,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-12-09 19:12:06,908 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:12:06,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:12:06,972 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 148 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:12:07,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:12:07,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2335 states to 1987 states and 2335 transitions. [2018-12-09 19:12:07,279 INFO L276 IsEmpty]: Start isEmpty. Operand 1987 states and 2335 transitions. [2018-12-09 19:12:07,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-09 19:12:07,280 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:12:07,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:12:07,454 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 19:12:10,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:12:10,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2414 states to 2063 states and 2414 transitions. [2018-12-09 19:12:10,614 INFO L276 IsEmpty]: Start isEmpty. Operand 2063 states and 2414 transitions. [2018-12-09 19:12:10,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-09 19:12:10,615 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:12:10,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:12:10,695 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 19:12:12,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:12:12,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2442 states to 2090 states and 2442 transitions. [2018-12-09 19:12:12,332 INFO L276 IsEmpty]: Start isEmpty. Operand 2090 states and 2442 transitions. [2018-12-09 19:12:12,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-09 19:12:12,333 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:12:12,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:12:12,399 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 19:12:12,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:12:12,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2444 states to 2092 states and 2444 transitions. [2018-12-09 19:12:12,645 INFO L276 IsEmpty]: Start isEmpty. Operand 2092 states and 2444 transitions. [2018-12-09 19:12:12,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-09 19:12:12,646 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:12:12,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:12:12,728 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 19:12:15,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:12:15,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2493 states to 2142 states and 2493 transitions. [2018-12-09 19:12:15,783 INFO L276 IsEmpty]: Start isEmpty. Operand 2142 states and 2493 transitions. [2018-12-09 19:12:15,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-12-09 19:12:15,784 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:12:15,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:12:15,849 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 122 proven. 16 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-09 19:12:24,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:12:24,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2540 states to 2177 states and 2540 transitions. [2018-12-09 19:12:24,638 INFO L276 IsEmpty]: Start isEmpty. Operand 2177 states and 2540 transitions. [2018-12-09 19:12:24,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-12-09 19:12:24,639 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:12:24,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:12:24,706 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 122 proven. 16 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-09 19:12:26,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:12:26,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2551 states to 2186 states and 2551 transitions. [2018-12-09 19:12:26,406 INFO L276 IsEmpty]: Start isEmpty. Operand 2186 states and 2551 transitions. [2018-12-09 19:12:26,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-12-09 19:12:26,406 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:12:26,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:12:26,478 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 122 proven. 16 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-09 19:12:26,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:12:26,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2555 states to 2190 states and 2555 transitions. [2018-12-09 19:12:26,875 INFO L276 IsEmpty]: Start isEmpty. Operand 2190 states and 2555 transitions. [2018-12-09 19:12:26,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-12-09 19:12:26,876 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:12:26,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:12:26,942 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 122 proven. 16 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-09 19:12:28,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:12:28,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2567 states to 2200 states and 2567 transitions. [2018-12-09 19:12:28,104 INFO L276 IsEmpty]: Start isEmpty. Operand 2200 states and 2567 transitions. [2018-12-09 19:12:28,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-12-09 19:12:28,105 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:12:28,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:12:28,179 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 122 proven. 16 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-09 19:12:28,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:12:28,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2570 states to 2203 states and 2570 transitions. [2018-12-09 19:12:28,628 INFO L276 IsEmpty]: Start isEmpty. Operand 2203 states and 2570 transitions. [2018-12-09 19:12:28,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-12-09 19:12:28,629 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:12:28,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:12:28,661 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 137 proven. 3 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-12-09 19:12:28,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:12:28,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2578 states to 2211 states and 2578 transitions. [2018-12-09 19:12:28,850 INFO L276 IsEmpty]: Start isEmpty. Operand 2211 states and 2578 transitions. [2018-12-09 19:12:28,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-12-09 19:12:28,851 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:12:28,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:12:28,893 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 141 proven. 5 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-12-09 19:12:29,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:12:29,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2583 states to 2216 states and 2583 transitions. [2018-12-09 19:12:29,102 INFO L276 IsEmpty]: Start isEmpty. Operand 2216 states and 2583 transitions. [2018-12-09 19:12:29,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-12-09 19:12:29,103 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:12:29,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:12:29,151 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 141 proven. 5 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-12-09 19:12:29,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:12:29,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2591 states to 2223 states and 2591 transitions. [2018-12-09 19:12:29,585 INFO L276 IsEmpty]: Start isEmpty. Operand 2223 states and 2591 transitions. [2018-12-09 19:12:29,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-12-09 19:12:29,586 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:12:29,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:12:31,384 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-09 19:12:32,592 WARN L180 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 38 [2018-12-09 19:12:34,347 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 28 [2018-12-09 19:12:34,891 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2018-12-09 19:12:40,916 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 32 [2018-12-09 19:12:48,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:12:48,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2659 states to 2287 states and 2659 transitions. [2018-12-09 19:12:48,817 INFO L276 IsEmpty]: Start isEmpty. Operand 2287 states and 2659 transitions. [2018-12-09 19:12:48,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-12-09 19:12:48,818 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:12:48,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:12:48,902 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-09 19:12:50,289 WARN L180 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 23 [2018-12-09 19:12:50,682 WARN L180 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2018-12-09 19:12:53,340 WARN L180 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2018-12-09 19:12:55,041 WARN L180 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2018-12-09 19:12:57,304 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 20 [2018-12-09 19:12:57,690 WARN L180 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 37 [2018-12-09 19:12:59,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:12:59,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2715 states to 2343 states and 2715 transitions. [2018-12-09 19:12:59,642 INFO L276 IsEmpty]: Start isEmpty. Operand 2343 states and 2715 transitions. [2018-12-09 19:12:59,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-12-09 19:12:59,643 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:12:59,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:12:59,723 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-09 19:13:03,699 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 28 [2018-12-09 19:13:05,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:13:05,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2739 states to 2367 states and 2739 transitions. [2018-12-09 19:13:05,188 INFO L276 IsEmpty]: Start isEmpty. Operand 2367 states and 2739 transitions. [2018-12-09 19:13:05,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-12-09 19:13:05,190 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:13:05,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:13:05,288 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-09 19:13:05,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:13:05,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2740 states to 2369 states and 2740 transitions. [2018-12-09 19:13:05,648 INFO L276 IsEmpty]: Start isEmpty. Operand 2369 states and 2740 transitions. [2018-12-09 19:13:05,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-12-09 19:13:05,650 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:13:05,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:13:05,730 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-09 19:13:06,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:13:06,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2741 states to 2371 states and 2741 transitions. [2018-12-09 19:13:06,086 INFO L276 IsEmpty]: Start isEmpty. Operand 2371 states and 2741 transitions. [2018-12-09 19:13:06,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-12-09 19:13:06,087 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:13:06,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:13:06,131 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-09 19:13:06,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:13:06,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2761 states to 2392 states and 2761 transitions. [2018-12-09 19:13:06,400 INFO L276 IsEmpty]: Start isEmpty. Operand 2392 states and 2761 transitions. [2018-12-09 19:13:06,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-12-09 19:13:06,401 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:13:06,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:13:06,558 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 19:13:08,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:13:08,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2794 states to 2424 states and 2794 transitions. [2018-12-09 19:13:08,429 INFO L276 IsEmpty]: Start isEmpty. Operand 2424 states and 2794 transitions. [2018-12-09 19:13:08,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-12-09 19:13:08,430 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:13:08,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:13:08,464 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-09 19:13:08,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:13:08,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2797 states to 2425 states and 2797 transitions. [2018-12-09 19:13:08,802 INFO L276 IsEmpty]: Start isEmpty. Operand 2425 states and 2797 transitions. [2018-12-09 19:13:08,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-12-09 19:13:08,803 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:13:08,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:13:08,837 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-09 19:13:10,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:13:10,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2822 states to 2446 states and 2822 transitions. [2018-12-09 19:13:10,642 INFO L276 IsEmpty]: Start isEmpty. Operand 2446 states and 2822 transitions. [2018-12-09 19:13:10,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-12-09 19:13:10,643 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:13:10,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:13:10,676 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-09 19:13:11,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:13:11,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2826 states to 2449 states and 2826 transitions. [2018-12-09 19:13:11,028 INFO L276 IsEmpty]: Start isEmpty. Operand 2449 states and 2826 transitions. [2018-12-09 19:13:11,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-12-09 19:13:11,029 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:13:11,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:13:11,074 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-09 19:13:11,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:13:11,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2827 states to 2450 states and 2827 transitions. [2018-12-09 19:13:11,440 INFO L276 IsEmpty]: Start isEmpty. Operand 2450 states and 2827 transitions. [2018-12-09 19:13:11,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-12-09 19:13:11,441 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:13:11,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:13:11,474 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-09 19:13:11,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:13:11,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2830 states to 2453 states and 2830 transitions. [2018-12-09 19:13:11,864 INFO L276 IsEmpty]: Start isEmpty. Operand 2453 states and 2830 transitions. [2018-12-09 19:13:11,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-12-09 19:13:11,865 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:13:11,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:13:11,914 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 133 proven. 5 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-12-09 19:13:12,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:13:12,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2859 states to 2483 states and 2859 transitions. [2018-12-09 19:13:12,933 INFO L276 IsEmpty]: Start isEmpty. Operand 2483 states and 2859 transitions. [2018-12-09 19:13:12,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-12-09 19:13:12,934 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:13:12,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:13:14,471 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 175 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:13:19,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:13:19,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2950 states to 2560 states and 2950 transitions. [2018-12-09 19:13:19,487 INFO L276 IsEmpty]: Start isEmpty. Operand 2560 states and 2950 transitions. [2018-12-09 19:13:19,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-09 19:13:19,489 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:13:19,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:13:22,846 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:13:27,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:13:27,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3000 states to 2610 states and 3000 transitions. [2018-12-09 19:13:27,566 INFO L276 IsEmpty]: Start isEmpty. Operand 2610 states and 3000 transitions. [2018-12-09 19:13:27,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-09 19:13:27,567 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:13:27,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:13:27,660 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:13:28,838 WARN L180 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2018-12-09 19:13:36,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:13:36,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3060 states to 2670 states and 3060 transitions. [2018-12-09 19:13:36,106 INFO L276 IsEmpty]: Start isEmpty. Operand 2670 states and 3060 transitions. [2018-12-09 19:13:36,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-09 19:13:36,107 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:13:36,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:13:36,200 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:13:36,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:13:36,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3061 states to 2672 states and 3061 transitions. [2018-12-09 19:13:36,630 INFO L276 IsEmpty]: Start isEmpty. Operand 2672 states and 3061 transitions. [2018-12-09 19:13:36,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-09 19:13:36,631 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:13:36,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:13:36,724 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:13:37,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:13:37,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3062 states to 2674 states and 3062 transitions. [2018-12-09 19:13:37,195 INFO L276 IsEmpty]: Start isEmpty. Operand 2674 states and 3062 transitions. [2018-12-09 19:13:37,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-09 19:13:37,196 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:13:37,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:13:38,475 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:13:40,774 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2018-12-09 19:13:42,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:13:42,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3105 states to 2710 states and 3105 transitions. [2018-12-09 19:13:42,860 INFO L276 IsEmpty]: Start isEmpty. Operand 2710 states and 3105 transitions. [2018-12-09 19:13:42,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-09 19:13:42,861 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:13:42,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:13:42,967 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:13:43,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:13:43,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3108 states to 2713 states and 3108 transitions. [2018-12-09 19:13:43,919 INFO L276 IsEmpty]: Start isEmpty. Operand 2713 states and 3108 transitions. [2018-12-09 19:13:43,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-09 19:13:43,921 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:13:43,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:13:44,026 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:13:45,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:13:45,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3111 states to 2716 states and 3111 transitions. [2018-12-09 19:13:45,015 INFO L276 IsEmpty]: Start isEmpty. Operand 2716 states and 3111 transitions. [2018-12-09 19:13:45,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-12-09 19:13:45,016 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:13:45,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:13:45,074 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 188 proven. 4 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-09 19:13:46,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:13:46,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3131 states to 2734 states and 3131 transitions. [2018-12-09 19:13:46,385 INFO L276 IsEmpty]: Start isEmpty. Operand 2734 states and 3131 transitions. [2018-12-09 19:13:46,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-12-09 19:13:46,387 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:13:46,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:13:46,452 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 215 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-12-09 19:13:46,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:13:46,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3139 states to 2742 states and 3139 transitions. [2018-12-09 19:13:46,490 INFO L276 IsEmpty]: Start isEmpty. Operand 2742 states and 3139 transitions. [2018-12-09 19:13:46,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-12-09 19:13:46,491 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:13:46,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:13:46,528 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-12-09 19:13:47,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:13:47,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3221 states to 2821 states and 3221 transitions. [2018-12-09 19:13:47,873 INFO L276 IsEmpty]: Start isEmpty. Operand 2821 states and 3221 transitions. [2018-12-09 19:13:47,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-12-09 19:13:47,874 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:13:47,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:13:47,930 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2018-12-09 19:13:48,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:13:48,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3222 states to 2823 states and 3222 transitions. [2018-12-09 19:13:48,154 INFO L276 IsEmpty]: Start isEmpty. Operand 2823 states and 3222 transitions. [2018-12-09 19:13:48,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-12-09 19:13:48,155 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:13:48,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:13:49,417 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-09 19:13:50,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:13:50,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3302 states to 2901 states and 3302 transitions. [2018-12-09 19:13:50,722 INFO L276 IsEmpty]: Start isEmpty. Operand 2901 states and 3302 transitions. [2018-12-09 19:13:50,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-12-09 19:13:50,724 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:13:50,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:13:51,008 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-12-09 19:13:56,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:13:56,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3458 states to 3038 states and 3458 transitions. [2018-12-09 19:13:56,868 INFO L276 IsEmpty]: Start isEmpty. Operand 3038 states and 3458 transitions. [2018-12-09 19:13:56,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2018-12-09 19:13:56,870 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:13:56,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:13:56,948 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 341 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2018-12-09 19:13:58,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:13:58,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3497 states to 3064 states and 3497 transitions. [2018-12-09 19:13:58,706 INFO L276 IsEmpty]: Start isEmpty. Operand 3064 states and 3497 transitions. [2018-12-09 19:13:58,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2018-12-09 19:13:58,708 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:13:58,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:13:58,788 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 341 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2018-12-09 19:13:59,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:13:59,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3525 states to 3085 states and 3525 transitions. [2018-12-09 19:13:59,706 INFO L276 IsEmpty]: Start isEmpty. Operand 3085 states and 3525 transitions. [2018-12-09 19:13:59,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-12-09 19:13:59,708 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:13:59,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:13:59,754 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 291 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2018-12-09 19:14:00,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:14:00,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3530 states to 3091 states and 3530 transitions. [2018-12-09 19:14:00,494 INFO L276 IsEmpty]: Start isEmpty. Operand 3091 states and 3530 transitions. [2018-12-09 19:14:00,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-12-09 19:14:00,496 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:14:00,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:14:00,541 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 291 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2018-12-09 19:14:03,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:14:03,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3536 states to 3098 states and 3536 transitions. [2018-12-09 19:14:03,358 INFO L276 IsEmpty]: Start isEmpty. Operand 3098 states and 3536 transitions. [2018-12-09 19:14:03,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2018-12-09 19:14:03,360 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:14:03,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:14:03,649 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 428 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-12-09 19:14:05,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:14:05,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3583 states to 3141 states and 3583 transitions. [2018-12-09 19:14:05,548 INFO L276 IsEmpty]: Start isEmpty. Operand 3141 states and 3583 transitions. [2018-12-09 19:14:05,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-09 19:14:05,550 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:14:05,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:14:05,691 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 310 proven. 3 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2018-12-09 19:14:06,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:14:06,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3591 states to 3149 states and 3591 transitions. [2018-12-09 19:14:06,317 INFO L276 IsEmpty]: Start isEmpty. Operand 3149 states and 3591 transitions. [2018-12-09 19:14:06,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2018-12-09 19:14:06,320 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:14:06,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:14:06,408 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 312 proven. 5 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2018-12-09 19:14:07,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:14:07,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3603 states to 3159 states and 3603 transitions. [2018-12-09 19:14:07,509 INFO L276 IsEmpty]: Start isEmpty. Operand 3159 states and 3603 transitions. [2018-12-09 19:14:07,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2018-12-09 19:14:07,511 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:14:07,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:14:07,584 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 312 proven. 5 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2018-12-09 19:14:08,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:14:08,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3607 states to 3163 states and 3607 transitions. [2018-12-09 19:14:08,096 INFO L276 IsEmpty]: Start isEmpty. Operand 3163 states and 3607 transitions. [2018-12-09 19:14:08,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2018-12-09 19:14:08,097 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:14:08,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:14:08,170 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 317 proven. 15 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2018-12-09 19:14:08,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:14:08,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3619 states to 3173 states and 3619 transitions. [2018-12-09 19:14:08,881 INFO L276 IsEmpty]: Start isEmpty. Operand 3173 states and 3619 transitions. [2018-12-09 19:14:08,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2018-12-09 19:14:08,883 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:14:08,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:14:08,961 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 317 proven. 15 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2018-12-09 19:14:09,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:14:09,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3623 states to 3177 states and 3623 transitions. [2018-12-09 19:14:09,419 INFO L276 IsEmpty]: Start isEmpty. Operand 3177 states and 3623 transitions. [2018-12-09 19:14:09,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2018-12-09 19:14:09,420 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:14:09,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:14:10,413 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 430 proven. 63 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-12-09 19:14:17,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:14:17,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3646 states to 3192 states and 3646 transitions. [2018-12-09 19:14:17,514 INFO L276 IsEmpty]: Start isEmpty. Operand 3192 states and 3646 transitions. [2018-12-09 19:14:17,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2018-12-09 19:14:17,516 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:14:17,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:14:17,622 INFO L134 CoverageAnalysis]: Checked inductivity of 521 backedges. 212 proven. 0 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2018-12-09 19:14:23,736 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2018-12-09 19:14:24,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:14:24,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3705 states to 3250 states and 3705 transitions. [2018-12-09 19:14:24,440 INFO L276 IsEmpty]: Start isEmpty. Operand 3250 states and 3705 transitions. [2018-12-09 19:14:24,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2018-12-09 19:14:24,442 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:14:24,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:14:24,547 INFO L134 CoverageAnalysis]: Checked inductivity of 521 backedges. 212 proven. 0 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2018-12-09 19:14:25,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:14:25,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3704 states to 3250 states and 3704 transitions. [2018-12-09 19:14:25,174 INFO L276 IsEmpty]: Start isEmpty. Operand 3250 states and 3704 transitions. [2018-12-09 19:14:25,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2018-12-09 19:14:25,175 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:14:25,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:14:25,281 INFO L134 CoverageAnalysis]: Checked inductivity of 521 backedges. 212 proven. 0 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2018-12-09 19:14:25,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:14:25,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3670 states to 3217 states and 3670 transitions. [2018-12-09 19:14:25,903 INFO L276 IsEmpty]: Start isEmpty. Operand 3217 states and 3670 transitions. [2018-12-09 19:14:25,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2018-12-09 19:14:25,905 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:14:25,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:14:26,006 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 445 proven. 8 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2018-12-09 19:14:26,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:14:26,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3680 states to 3225 states and 3680 transitions. [2018-12-09 19:14:26,548 INFO L276 IsEmpty]: Start isEmpty. Operand 3225 states and 3680 transitions. [2018-12-09 19:14:26,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2018-12-09 19:14:26,549 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:14:26,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:14:26,671 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 445 proven. 8 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2018-12-09 19:14:27,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:14:27,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3681 states to 3227 states and 3681 transitions. [2018-12-09 19:14:27,515 INFO L276 IsEmpty]: Start isEmpty. Operand 3227 states and 3681 transitions. [2018-12-09 19:14:27,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2018-12-09 19:14:27,517 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:14:27,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:14:27,628 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 445 proven. 8 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2018-12-09 19:14:28,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:14:28,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3682 states to 3229 states and 3682 transitions. [2018-12-09 19:14:28,894 INFO L276 IsEmpty]: Start isEmpty. Operand 3229 states and 3682 transitions. [2018-12-09 19:14:28,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2018-12-09 19:14:28,896 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:14:28,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:14:29,002 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 445 proven. 8 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2018-12-09 19:14:29,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:14:29,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3686 states to 3232 states and 3686 transitions. [2018-12-09 19:14:29,057 INFO L276 IsEmpty]: Start isEmpty. Operand 3232 states and 3686 transitions. [2018-12-09 19:14:29,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2018-12-09 19:14:29,059 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:14:29,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:14:29,197 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 445 proven. 8 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2018-12-09 19:14:30,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:14:30,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3687 states to 3234 states and 3687 transitions. [2018-12-09 19:14:30,563 INFO L276 IsEmpty]: Start isEmpty. Operand 3234 states and 3687 transitions. [2018-12-09 19:14:30,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2018-12-09 19:14:30,566 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:14:30,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:14:30,679 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 445 proven. 8 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2018-12-09 19:14:31,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:14:31,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3688 states to 3236 states and 3688 transitions. [2018-12-09 19:14:31,848 INFO L276 IsEmpty]: Start isEmpty. Operand 3236 states and 3688 transitions. [2018-12-09 19:14:31,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2018-12-09 19:14:31,850 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:14:31,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:14:31,926 INFO L134 CoverageAnalysis]: Checked inductivity of 670 backedges. 506 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2018-12-09 19:14:37,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:14:37,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3715 states to 3261 states and 3715 transitions. [2018-12-09 19:14:37,912 INFO L276 IsEmpty]: Start isEmpty. Operand 3261 states and 3715 transitions. [2018-12-09 19:14:37,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2018-12-09 19:14:37,915 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:14:37,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:14:38,098 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 420 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2018-12-09 19:14:40,223 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 31 [2018-12-09 19:14:44,036 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 27 [2018-12-09 19:14:47,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:14:47,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3754 states to 3300 states and 3754 transitions. [2018-12-09 19:14:47,903 INFO L276 IsEmpty]: Start isEmpty. Operand 3300 states and 3754 transitions. [2018-12-09 19:14:47,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2018-12-09 19:14:47,905 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:14:47,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:14:48,114 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 420 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2018-12-09 19:14:50,526 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 28 [2018-12-09 19:14:53,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:14:53,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3779 states to 3325 states and 3779 transitions. [2018-12-09 19:14:53,069 INFO L276 IsEmpty]: Start isEmpty. Operand 3325 states and 3779 transitions. [2018-12-09 19:14:53,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2018-12-09 19:14:53,071 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:14:53,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:14:53,253 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 420 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2018-12-09 19:14:53,826 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 25 [2018-12-09 19:14:55,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:14:55,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3785 states to 3332 states and 3785 transitions. [2018-12-09 19:14:55,065 INFO L276 IsEmpty]: Start isEmpty. Operand 3332 states and 3785 transitions. [2018-12-09 19:14:55,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2018-12-09 19:14:55,067 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:14:55,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:14:55,165 INFO L134 CoverageAnalysis]: Checked inductivity of 725 backedges. 578 proven. 8 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2018-12-09 19:14:56,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:14:56,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3795 states to 3340 states and 3795 transitions. [2018-12-09 19:14:56,267 INFO L276 IsEmpty]: Start isEmpty. Operand 3340 states and 3795 transitions. [2018-12-09 19:14:56,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2018-12-09 19:14:56,269 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:14:56,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:14:56,368 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 476 proven. 20 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2018-12-09 19:14:57,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:14:57,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3823 states to 3367 states and 3823 transitions. [2018-12-09 19:14:57,927 INFO L276 IsEmpty]: Start isEmpty. Operand 3367 states and 3823 transitions. [2018-12-09 19:14:57,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2018-12-09 19:14:57,928 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:14:57,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:14:58,027 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 476 proven. 20 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2018-12-09 19:14:58,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:14:58,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3860 states to 3404 states and 3860 transitions. [2018-12-09 19:14:58,691 INFO L276 IsEmpty]: Start isEmpty. Operand 3404 states and 3860 transitions. [2018-12-09 19:14:58,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2018-12-09 19:14:58,693 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:14:58,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:14:58,820 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 476 proven. 20 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2018-12-09 19:14:59,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:14:59,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3869 states to 3412 states and 3869 transitions. [2018-12-09 19:14:59,418 INFO L276 IsEmpty]: Start isEmpty. Operand 3412 states and 3869 transitions. [2018-12-09 19:14:59,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2018-12-09 19:14:59,420 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:14:59,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:14:59,519 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 476 proven. 20 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2018-12-09 19:15:02,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:15:02,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3882 states to 3424 states and 3882 transitions. [2018-12-09 19:15:02,438 INFO L276 IsEmpty]: Start isEmpty. Operand 3424 states and 3882 transitions. [2018-12-09 19:15:02,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2018-12-09 19:15:02,440 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:15:02,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:15:02,568 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 476 proven. 20 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2018-12-09 19:15:04,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:15:04,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3887 states to 3428 states and 3887 transitions. [2018-12-09 19:15:04,537 INFO L276 IsEmpty]: Start isEmpty. Operand 3428 states and 3887 transitions. [2018-12-09 19:15:04,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2018-12-09 19:15:04,539 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:15:04,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:15:04,639 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 476 proven. 20 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2018-12-09 19:15:05,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:15:05,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3889 states to 3430 states and 3889 transitions. [2018-12-09 19:15:05,032 INFO L276 IsEmpty]: Start isEmpty. Operand 3430 states and 3889 transitions. [2018-12-09 19:15:05,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2018-12-09 19:15:05,034 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:15:05,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:15:05,161 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 476 proven. 20 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2018-12-09 19:15:05,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:15:05,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3893 states to 3434 states and 3893 transitions. [2018-12-09 19:15:05,872 INFO L276 IsEmpty]: Start isEmpty. Operand 3434 states and 3893 transitions. [2018-12-09 19:15:05,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2018-12-09 19:15:05,874 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:15:05,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:15:05,973 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 476 proven. 20 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2018-12-09 19:15:06,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:15:06,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3897 states to 3438 states and 3897 transitions. [2018-12-09 19:15:06,605 INFO L276 IsEmpty]: Start isEmpty. Operand 3438 states and 3897 transitions. [2018-12-09 19:15:06,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 447 [2018-12-09 19:15:06,607 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:15:06,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:15:09,118 INFO L134 CoverageAnalysis]: Checked inductivity of 1034 backedges. 623 proven. 0 refuted. 0 times theorem prover too weak. 411 trivial. 0 not checked. [2018-12-09 19:15:14,360 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2018-12-09 19:15:18,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:15:18,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3927 states to 3463 states and 3927 transitions. [2018-12-09 19:15:18,150 INFO L276 IsEmpty]: Start isEmpty. Operand 3463 states and 3927 transitions. [2018-12-09 19:15:18,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 447 [2018-12-09 19:15:18,152 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:15:18,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:15:18,382 INFO L134 CoverageAnalysis]: Checked inductivity of 1034 backedges. 623 proven. 0 refuted. 0 times theorem prover too weak. 411 trivial. 0 not checked. [2018-12-09 19:15:19,736 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2018-12-09 19:15:21,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:15:21,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3931 states to 3466 states and 3931 transitions. [2018-12-09 19:15:21,272 INFO L276 IsEmpty]: Start isEmpty. Operand 3466 states and 3931 transitions. [2018-12-09 19:15:21,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 447 [2018-12-09 19:15:21,274 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:15:21,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:15:21,502 INFO L134 CoverageAnalysis]: Checked inductivity of 1034 backedges. 623 proven. 0 refuted. 0 times theorem prover too weak. 411 trivial. 0 not checked. [2018-12-09 19:15:22,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:15:22,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3934 states to 3469 states and 3934 transitions. [2018-12-09 19:15:22,714 INFO L276 IsEmpty]: Start isEmpty. Operand 3469 states and 3934 transitions. [2018-12-09 19:15:22,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 462 [2018-12-09 19:15:22,715 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:15:22,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:15:22,842 INFO L134 CoverageAnalysis]: Checked inductivity of 1129 backedges. 755 proven. 0 refuted. 0 times theorem prover too weak. 374 trivial. 0 not checked. [2018-12-09 19:15:24,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:15:24,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3958 states to 3493 states and 3958 transitions. [2018-12-09 19:15:24,115 INFO L276 IsEmpty]: Start isEmpty. Operand 3493 states and 3958 transitions. [2018-12-09 19:15:24,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 462 [2018-12-09 19:15:24,117 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:15:24,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:15:24,242 INFO L134 CoverageAnalysis]: Checked inductivity of 1129 backedges. 755 proven. 0 refuted. 0 times theorem prover too weak. 374 trivial. 0 not checked. [2018-12-09 19:15:26,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:15:26,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3987 states to 3520 states and 3987 transitions. [2018-12-09 19:15:26,631 INFO L276 IsEmpty]: Start isEmpty. Operand 3520 states and 3987 transitions. [2018-12-09 19:15:26,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 462 [2018-12-09 19:15:26,634 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:15:26,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:15:26,791 INFO L134 CoverageAnalysis]: Checked inductivity of 1129 backedges. 755 proven. 0 refuted. 0 times theorem prover too weak. 374 trivial. 0 not checked. [2018-12-09 19:15:27,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:15:27,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4006 states to 3540 states and 4006 transitions. [2018-12-09 19:15:27,474 INFO L276 IsEmpty]: Start isEmpty. Operand 3540 states and 4006 transitions. [2018-12-09 19:15:27,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 462 [2018-12-09 19:15:27,476 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:15:27,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:15:27,603 INFO L134 CoverageAnalysis]: Checked inductivity of 1129 backedges. 755 proven. 0 refuted. 0 times theorem prover too weak. 374 trivial. 0 not checked. [2018-12-09 19:15:28,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:15:28,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4010 states to 3545 states and 4010 transitions. [2018-12-09 19:15:28,279 INFO L276 IsEmpty]: Start isEmpty. Operand 3545 states and 4010 transitions. [2018-12-09 19:15:28,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 462 [2018-12-09 19:15:28,281 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:15:28,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:15:28,407 INFO L134 CoverageAnalysis]: Checked inductivity of 1129 backedges. 755 proven. 0 refuted. 0 times theorem prover too weak. 374 trivial. 0 not checked. [2018-12-09 19:15:28,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:15:28,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3522 states to 3116 states and 3522 transitions. [2018-12-09 19:15:28,815 INFO L276 IsEmpty]: Start isEmpty. Operand 3116 states and 3522 transitions. [2018-12-09 19:15:28,816 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 19:15:28,817 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 192 iterations. [2018-12-09 19:15:28,823 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-09 19:15:29,064 WARN L180 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 49 [2018-12-09 19:15:29,259 WARN L180 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 46 [2018-12-09 19:15:29,516 WARN L180 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 47 [2018-12-09 19:15:29,771 WARN L180 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 47 [2018-12-09 19:15:29,967 WARN L180 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 45 [2018-12-09 19:15:30,073 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 29 [2018-12-09 19:15:30,212 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 46 [2018-12-09 19:15:30,587 WARN L180 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 48 [2018-12-09 19:15:30,786 WARN L180 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 47 [2018-12-09 19:15:31,299 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 29 [2018-12-09 19:15:31,402 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 29 [2018-12-09 19:15:31,612 WARN L180 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 45 [2018-12-09 19:15:31,862 WARN L180 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 46 [2018-12-09 19:15:32,071 WARN L180 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 46 [2018-12-09 19:15:32,198 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 29 [2018-12-09 19:15:32,418 WARN L180 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 29 [2018-12-09 19:15:32,638 WARN L180 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 48 [2018-12-09 19:15:32,781 WARN L180 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 46 [2018-12-09 19:15:32,889 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 29 [2018-12-09 19:15:33,338 WARN L180 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 57 [2018-12-09 19:15:33,599 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 46 [2018-12-09 19:15:33,898 WARN L180 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 45 [2018-12-09 19:15:34,196 WARN L180 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 45 [2018-12-09 19:15:34,487 WARN L180 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 45 [2018-12-09 19:15:34,592 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 29 [2018-12-09 19:15:34,705 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 29 [2018-12-09 19:15:34,915 WARN L180 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 45 [2018-12-09 19:15:35,372 WARN L180 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 56 [2018-12-09 19:15:35,633 WARN L180 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 47 [2018-12-09 19:15:35,878 WARN L180 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 29 [2018-12-09 19:15:36,102 WARN L180 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 46 [2018-12-09 19:15:36,392 WARN L180 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 46 [2018-12-09 19:15:36,646 WARN L180 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 47 [2018-12-09 19:15:36,746 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 29 [2018-12-09 19:15:36,856 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 29 [2018-12-09 19:15:37,271 WARN L180 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 45 [2018-12-09 19:15:37,464 WARN L180 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 45 [2018-12-09 19:15:37,750 WARN L180 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 48 [2018-12-09 19:15:37,903 WARN L180 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 46 [2018-12-09 19:15:38,015 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 29 [2018-12-09 19:15:38,398 WARN L180 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 46 [2018-12-09 19:15:38,619 WARN L180 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 49 [2018-12-09 19:15:38,824 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 29 [2018-12-09 19:15:39,141 WARN L180 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 29 [2018-12-09 19:15:39,348 WARN L180 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 45 [2018-12-09 19:15:39,541 WARN L180 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 45 [2018-12-09 19:15:39,909 WARN L180 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 61 [2018-12-09 19:15:40,120 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 29 [2018-12-09 19:15:40,262 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 46 [2018-12-09 19:15:40,262 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 19:15:40,264 INFO L583 CodeCheckObserver]: Invariant with dag size 29 [2018-12-09 19:15:40,269 INFO L583 CodeCheckObserver]: Invariant with dag size 29 [2018-12-09 19:15:40,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 07:15:40 ImpRootNode [2018-12-09 19:15:40,270 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 19:15:40,270 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 19:15:40,270 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 19:15:40,270 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 19:15:40,270 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:10:24" (3/4) ... [2018-12-09 19:15:40,273 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 19:15:40,283 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 110 nodes and edges [2018-12-09 19:15:40,283 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-12-09 19:15:40,284 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-12-09 19:15:40,284 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 19:15:40,339 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_fcfc7dda-541c-487a-b962-0b312a463aaf/bin-2019/ukojak/witness.graphml [2018-12-09 19:15:40,339 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 19:15:40,340 INFO L168 Benchmark]: Toolchain (without parser) took 317585.43 ms. Allocated memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: 1.3 GB). Free memory was 946.3 MB in the beginning and 1.0 GB in the end (delta: -63.8 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-12-09 19:15:40,340 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:15:40,340 INFO L168 Benchmark]: CACSL2BoogieTranslator took 308.88 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -151.0 MB). Peak memory consumption was 41.4 MB. Max. memory is 11.5 GB. [2018-12-09 19:15:40,340 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.46 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 19:15:40,341 INFO L168 Benchmark]: Boogie Preprocessor took 30.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 19:15:40,341 INFO L168 Benchmark]: RCFGBuilder took 1056.48 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 867.7 MB in the end (delta: 218.9 MB). Peak memory consumption was 218.9 MB. Max. memory is 11.5 GB. [2018-12-09 19:15:40,341 INFO L168 Benchmark]: CodeCheck took 316078.55 ms. Allocated memory was 1.1 GB in the beginning and 2.3 GB in the end (delta: 1.2 GB). Free memory was 867.7 MB in the beginning and 1.0 GB in the end (delta: -169.6 MB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. [2018-12-09 19:15:40,341 INFO L168 Benchmark]: Witness Printer took 69.17 ms. Allocated memory is still 2.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 27.1 MB). Peak memory consumption was 27.1 MB. Max. memory is 11.5 GB. [2018-12-09 19:15:40,342 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, 304.6s OverallTime, 192 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 307072 SDtfs, -941324448 SDslu, 1840768 SDs, 0 SdLazy, -564331482 SolverSat, 1395342866 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1185.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 260250 GetRequests, 253240 SyntacticMatches, 5262 SemanticMatches, 1748 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2412211 ImplicationChecksByTransitivity, 272.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.6s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 22.7s InterpolantComputationTime, 40171 NumberOfCodeBlocks, 40171 NumberOfCodeBlocksAsserted, 191 NumberOfCheckSat, 39980 ConstructedInterpolants, 0 QuantifiedInterpolants, 40750298 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 191 InterpolantComputations, 142 PerfectInterpolantSequences, 46740/47296 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 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 308.88 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -151.0 MB). Peak memory consumption was 41.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.46 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1056.48 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 867.7 MB in the end (delta: 218.9 MB). Peak memory consumption was 218.9 MB. Max. memory is 11.5 GB. * CodeCheck took 316078.55 ms. Allocated memory was 1.1 GB in the beginning and 2.3 GB in the end (delta: 1.2 GB). Free memory was 867.7 MB in the beginning and 1.0 GB in the end (delta: -169.6 MB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. * Witness Printer took 69.17 ms. Allocated memory is still 2.3 GB. Free memory was 1.0 GB in the beginning and 1.0 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...